/* ==========================================================================
   13delusions Tool Suite
   Premium single-page utility interface
   ========================================================================== */

:root {
    --bg: #fff6eb;
    --bg-soft: #fff2e4;
    --surface: #ffffff;
    --surface-strong: #ffffff;
    --surface-border: rgba(21, 26, 33, 0.1);
    --surface-border-strong: rgba(21, 26, 33, 0.14);
    --text: #151a21;
    --text-soft: rgba(21, 26, 33, 0.72);
    --text-muted: rgba(21, 26, 33, 0.54);
    --shadow-lg: 0 36px 100px rgba(46, 31, 13, 0.14);
    --shadow-md: 0 18px 42px rgba(46, 31, 13, 0.10);
    --radius-xl: 32px;
    --radius-lg: 26px;
    --radius-md: 18px;
    --radius-sm: 14px;
    --grid-max: 1260px;
    --grid-gap: clamp(1rem, 1.35vw, 1.35rem);
    --accent: #F4A259;
    --accent-rgb: 244, 162, 89;
    --tool-converter: #F4A259;
    --tool-generator: #5B8E7D;
    --tool-qr: #BC4B51;
    --grid-outline: rgba(21, 26, 33, 0.05);
    --focus: 0 0 0 3px rgba(var(--accent-rgb), 0.22);
    --font-ui: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    color-scheme: light;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-ui);
    color: var(--text);
    background:
        radial-gradient(circle at 8% 10%, rgba(244, 162, 89, 0.52), transparent 22%),
        radial-gradient(circle at 50% 0%, rgba(91, 142, 125, 0.34), transparent 24%),
        radial-gradient(circle at 92% 10%, rgba(188, 75, 81, 0.34), transparent 22%),
        linear-gradient(90deg, var(--grid-outline) 1px, transparent 1px),
        linear-gradient(180deg, var(--grid-outline) 1px, transparent 1px),
        linear-gradient(135deg, #fff8ef 0%, #fff1df 38%, #f5f8f1 67%, #fff0ef 100%);
    background-size: auto, auto, auto, 24px 24px, 24px 24px, auto;
    background-attachment: fixed;
}

body[data-active-tool="converter"] {
    --accent: var(--tool-converter);
    --accent-rgb: 244, 162, 89;
}

body[data-active-tool="generator"] {
    --accent: var(--tool-generator);
    --accent-rgb: 91, 142, 125;
}

body[data-active-tool="qr"] {
    --accent: var(--tool-qr);
    --accent-rgb: 188, 75, 81;
}

img,
canvas,
svg {
    max-width: 100%;
    display: block;
}

button,
input,
select,
textarea {
    font: inherit;
    color: inherit;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    cursor: pointer;
    background: none;
    border: 0;
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.65;
}

input,
select {
    width: 100%;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(21, 26, 33, 0.14);
    color: var(--text);
    border-radius: 14px;
    padding: 0.88rem 0.95rem;
    transition: border-color 160ms ease, background 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

input::placeholder {
    color: var(--text-muted);
}

input[type="color"] {
    inline-size: 56px;
    min-width: 56px;
    padding: 0.25rem;
    border-radius: 14px;
    min-height: 46px;
}

input[type="range"] {
    padding: 0;
    background: transparent;
    border: 0;
    accent-color: var(--accent);
}

input[type="file"] {
    padding: 0.88rem;
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible,
button:focus-visible,
a:focus-visible,
summary:focus-visible {
    outline: none;
    box-shadow: var(--focus);
    border-color: rgba(var(--accent-rgb), 0.58);
}

.hidden {
    display: none !important;
}

.visually-hidden {
    position: absolute !important;
    inline-size: 1px;
    block-size: 1px;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    overflow: hidden;
    white-space: nowrap;
}

.app-shell {
    width: min(100%, calc(var(--grid-max) + 2rem));
    margin-inline: auto;
    padding: 0.95rem 1rem 2.1rem;
}

.site-header {
    position: relative;
    z-index: 12;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.75rem 1rem;
    align-items: center;
    padding: 0 0.15rem;
    margin-block-end: 0.8rem;
}

.brand-lockup {
    display: flex;
    gap: 0.9rem;
    align-items: center;
    min-width: 0;
}

.brand-mark {
    flex: none;
    display: grid;
    place-items: center;
    inline-size: 44px;
    block-size: 44px;
    border-radius: 16px;
    background:
        linear-gradient(140deg, rgba(var(--accent-rgb), 0.96), rgba(255, 255, 255, 0.28)),
        linear-gradient(180deg, rgba(255, 255, 255, 0.16), transparent);
    color: #15120f;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.44), 0 12px 26px rgba(var(--accent-rgb), 0.24);
}

.brand-mark__glyph {
    font-size: 1rem;
    font-weight: 900;
    letter-spacing: -0.05em;
}

.brand-copy {
    min-width: 0;
}

.brand-eyebrow,
.hero-eyebrow,
.tool-panel__eyebrow,
.modal-kicker,
.support-block__kicker,
.tab-chip__kicker {
    margin: 0;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.69rem;
    font-weight: 760;
}

.brand-name {
    display: block;
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.brand-status {
    display: block;
    max-width: 40ch;
    color: var(--text-soft);
    font-size: 0.77rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.header-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    justify-content: flex-end;
}

.page-grid {
    display: grid;
    gap: 1rem;
}

.hero-panel,
.modal__shell,
.site-footer {
    position: relative;
    min-width: 0;
    border: 1px solid rgba(21, 26, 33, 0.08);
    border-radius: 30px;
    background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(255,248,242,0.94));
    box-shadow: var(--shadow-md);
}

.hero-panel {
    display: grid;
    grid-template-columns: 1.15fr minmax(220px, 320px);
    gap: var(--grid-gap);
    padding: 1.05rem 1.15rem;
    background:
        radial-gradient(circle at 12% 18%, rgba(244,162,89,0.34), transparent 28%),
        radial-gradient(circle at 82% 16%, rgba(91,142,125,0.24), transparent 28%),
        radial-gradient(circle at 94% 90%, rgba(188,75,81,0.22), transparent 30%),
        linear-gradient(180deg, rgba(255,255,255,0.98), rgba(255,247,240,0.96));
    border-bottom-left-radius: 0;
}

.hero-title {
    margin: 0.2rem 0 0.45rem;
    font-size: clamp(1.7rem, 3.2vw, 3.1rem);
    line-height: 0.98;
    letter-spacing: -0.055em;
    max-width: 12ch;
}

.hero-subline {
    margin: 0;
    color: var(--text-soft);
    max-width: 62ch;
    line-height: 1.6;
    font-size: clamp(0.98rem, 1.15vw, 1.08rem);
}

.hero-meta-card {
    position: relative;
    align-self: stretch;
    display: grid;
    place-items: end start;
    padding: 1rem;
    border-radius: 24px;
    background: linear-gradient(160deg, rgba(255,255,255,0.7), rgba(255,255,255,0.92));
    border: 1px solid rgba(21,26,33,0.08);
    min-height: 150px;
}

.hero-meta-card__glow {
    position: absolute;
    inset: auto -18px -36px auto;
    inline-size: 148px;
    block-size: 148px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(var(--accent-rgb), 0.34), transparent 70%);
    filter: blur(18px);
    pointer-events: none;
}

.hero-meta-card p {
    position: relative;
    margin: 0;
    max-width: 28ch;
    color: var(--text-soft);
    line-height: 1.58;
    font-size: 0.94rem;
}

.tool-workspace {
    display: grid;
    gap: 0;
    margin-top: 0.15rem;
}

.top-tabs {
    display: flex;
    gap: 0.25rem;
    justify-content: flex-end;
    align-items: flex-end;
    width: 100%;
    margin: 0 0 -1px auto;
    padding: 0 0.85rem 0 0;
    overflow: visible;
    position: relative;
    z-index: 4;
}

.tab-chip {
    --tab-bg: var(--surface);
    --tab-text: var(--text);
    position: relative;
    z-index: 1;
    display: grid;
    gap: 0.15rem;
    min-width: 188px;
    padding: 0.82rem 1.05rem 0.95rem;
    border-radius: 24px 24px 0 0;
    background: var(--tab-bg);
    color: var(--tab-text);
    border: 1px solid rgba(21,26,33,0.08);
    border-bottom: 0;
    text-align: left;
    box-shadow: 0 16px 30px rgba(21,26,33,0.08);
    transition: filter 180ms ease, box-shadow 180ms ease;
}

.tab-chip:hover {
    filter: brightness(1.03) saturate(1.02);
}

.tab-chip.is-active {
    z-index: 6;
    box-shadow: 0 18px 32px rgba(21,26,33,0.08);
}

.tab-chip__label {
    font-size: 0.98rem;
    font-weight: 850;
    letter-spacing: -0.035em;
}

.tab-chip[data-tool-tab="converter"] {
    --tab-bg: #F4A259;
    --tab-text: #17120d;
}

.tab-chip[data-tool-tab="generator"] {
    --tab-bg: #5B8E7D;
    --tab-text: #f8fffb;
}

.tab-chip[data-tool-tab="qr"] {
    --tab-bg: #BC4B51;
    --tab-text: #fff8f8;
}

.tab-chip__kicker {
    color: inherit;
    opacity: 0.76;
}

.dropzone > * {
    max-width: 100%;
    min-width: 0;
    overflow-wrap: anywhere;
}

.tool-grid > *,
.card-header > *,
.color-field > * {
    min-width: 0;
}

.color-field {
    flex-wrap: wrap;
}

.hero-panel::after {
    content: '';
    position: absolute;
    inset: 0 auto auto 0;
    block-size: 4px;
    inline-size: 100%;
    background: linear-gradient(90deg, rgba(var(--accent-rgb), 0.8), rgba(var(--accent-rgb), 0.16));
    opacity: 0.8;
}

#tool-converter {
    --panel-bg: #F4A259;
    --panel-bg-rgb: 244, 162, 89;
    --panel-text: #1f1307;
    --panel-soft: rgba(31, 19, 7, 0.76);
    --panel-muted: rgba(31, 19, 7, 0.62);
    --panel-line: rgba(31, 19, 7, 0.16);
    --panel-card: rgba(255, 248, 238, 0.34);
    --panel-card-strong: rgba(255, 247, 236, 0.56);
    --panel-card-border: rgba(31, 19, 7, 0.14);
    --panel-preview: rgba(255, 246, 232, 0.42);
    --panel-button-fill: #1f1307;
    --panel-button-text: #fff7ef;
}

#tool-generator {
    --panel-bg: #5B8E7D;
    --panel-bg-rgb: 91, 142, 125;
    --panel-text: #f8fffb;
    --panel-soft: rgba(248, 255, 251, 0.82);
    --panel-muted: rgba(248, 255, 251, 0.66);
    --panel-line: rgba(248, 255, 251, 0.18);
    --panel-card: rgba(255, 255, 255, 0.12);
    --panel-card-strong: rgba(255, 255, 255, 0.16);
    --panel-card-border: rgba(248, 255, 251, 0.18);
    --panel-preview: rgba(255, 255, 255, 0.08);
    --panel-button-fill: #f8fffb;
    --panel-button-text: #26453b;
}

#tool-qr {
    --panel-bg: #BC4B51;
    --panel-bg-rgb: 188, 75, 81;
    --panel-text: #fff7f7;
    --panel-soft: rgba(255, 247, 247, 0.82);
    --panel-muted: rgba(255, 247, 247, 0.66);
    --panel-line: rgba(255, 247, 247, 0.18);
    --panel-card: rgba(255, 255, 255, 0.12);
    --panel-card-strong: rgba(255, 255, 255, 0.18);
    --panel-card-border: rgba(255, 247, 247, 0.18);
    --panel-preview: rgba(255, 255, 255, 0.08);
    --panel-button-fill: #fff7f7;
    --panel-button-text: #6b1d23;
}

.tool-panel,
.surface-card {
    min-width: 0;
}

.tool-panel {
    position: relative;
    display: none;
    padding: 1.2rem;
    margin-top: 0;
    overflow: visible;
    border-radius: 34px;
    border: 1px solid rgba(21, 26, 33, 0.08);
    background: var(--panel-bg);
    color: var(--panel-text);
    box-shadow: 0 28px 72px rgba(var(--panel-bg-rgb), 0.26);
}

.tool-panel::before,
.tool-panel::after {
    display: none;
}

.tool-panel.is-active {
    display: block;
}

.tool-panel__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-block-end: 1rem;
}

.tool-panel__title {
    margin: 0.24rem 0 0.36rem;
    font-size: clamp(1.55rem, 2.25vw, 2.3rem);
    line-height: 1;
    letter-spacing: -0.045em;
    color: var(--panel-text);
}

.tool-panel__subtitle {
    margin: 0;
    max-width: 76ch;
    color: var(--panel-soft);
    line-height: 1.6;
}

.tool-panel .tool-panel__eyebrow,
.tool-panel .field__label,
.tool-panel .card-header p,
.tool-panel .field small,
.tool-panel .validation-note,
.tool-panel .dropzone__hint,
.tool-panel .favicon-chip__label,
.tool-panel .file-list li::after,
.tool-panel .trust-badge,
.tool-panel .tool-panel__subtitle {
    color: var(--panel-soft);
}

.tool-panel .character-input,
.tool-panel .card-header h3,
.tool-panel .file-list li,
.tool-panel .trust-card,
.tool-panel .tool-panel__title,
.tool-panel .tool-panel__eyebrow {
    color: var(--panel-text);
}

.tool-panel .surface-card {
    position: relative;
    display: block;
    padding: 1.05rem;
    min-width: 0;
    overflow: hidden;
    border-radius: 26px;
    background: linear-gradient(180deg, var(--panel-card-strong), var(--panel-card));
    border: 1px solid var(--panel-card-border);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.22), 0 14px 28px rgba(21,26,33,0.08);
    backdrop-filter: blur(8px);
}

.surface-card--preview {
    padding-bottom: 1.2rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    gap: 0.9rem;
    align-items: flex-start;
    margin-block-end: 1rem;
}

.card-header--singleline {
    align-items: flex-end;
}

.card-header h3 {
    margin: 0;
    font-size: 1.08rem;
    letter-spacing: -0.03em;
}

.card-header p {
    margin: 0.26rem 0 0;
    line-height: 1.5;
    font-size: 0.9rem;
}

@media (min-width: 860px) {
    .card-header--singleline p {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

.tool-grid {
    display: grid;
    grid-template-columns: minmax(360px, 0.9fr) minmax(480px, 1.1fr);
    gap: 1.25rem;
    align-items: start;
}

.panel-stack {
    display: grid;
    gap: var(--grid-gap);
    align-content: start;
    min-width: 0;
}

.field-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.95rem;
    min-width: 0;
}

.field--full {
    grid-column: 1 / -1;
}

.field {
    display: grid;
    gap: 0.45rem;
}

.field__label {
    font-size: 0.86rem;
    color: var(--text-soft);
    font-weight: 650;
}

.field small,
.validation-note {
    color: var(--text-muted);
    line-height: 1.45;
    font-size: 0.79rem;
}

.validation-note.is-error {
    color: #ff8f8f;
}

.validation-note.is-success {
    color: #93ffd1;
}

.color-field {
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 0.65rem;
    align-items: center;
}

.color-field input[type="color"] {
    width: 56px;
}

.color-field input[type="text"] {
    min-width: 0;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    margin-block-start: 1rem;
}

.button-row > * {
    min-width: 0;
}

.button-row--grow > * {
    flex: 1 1 180px;
}

.primary-button,
.secondary-button,
.ghost-button,
.link-button,
.entry-button,
.font-picker__trigger,
.help-button,
.footer-link,
.lang-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 48px;
    padding: 0.86rem 1.05rem;
    border-radius: 16px;
    border: 1px solid transparent;
    transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease, opacity 180ms ease;
}

.primary-button {
    color: #ffffff;
    background:
        linear-gradient(180deg, rgba(255,255,255,0.18), transparent),
        linear-gradient(135deg, rgba(var(--accent-rgb), 0.98), rgba(var(--accent-rgb), 0.76));
    box-shadow: 0 14px 30px rgba(var(--accent-rgb), 0.26);
}

.primary-button:hover,
.secondary-button:hover,
.ghost-button:hover,
.link-button:hover,
.entry-button:hover,
.help-button:hover,
.font-picker__trigger:hover,
.footer-link:hover,
.lang-button:hover {
    transform: translateY(-1px);
}

.secondary-button {
    background: rgba(var(--accent-rgb), 0.14);
    border-color: rgba(var(--accent-rgb), 0.32);
    color: var(--text);
}

.ghost-button,
.footer-link,
.lang-button,
.font-picker__trigger {
    background: rgba(255, 255, 255, 0.82);
    border-color: rgba(21, 26, 33, 0.1);
    color: var(--text);
}

.ghost-button--small {
    min-height: 40px;
    padding: 0.65rem 0.85rem;
    border-radius: 14px;
}

.link-button {
    min-width: 172px;
    font-weight: 700;
}

.primary-button.is-compact {
    min-height: 42px;
    padding: 0.72rem 0.95rem;
    border-radius: 14px;
    font-size: 0.88rem;
}

.help-button {
    inline-size: 46px;
    min-width: 46px;
    padding: 0;
    border-radius: 16px;
    background: rgba(var(--accent-rgb), 0.16);
    border-color: rgba(var(--accent-rgb), 0.28);
    color: var(--text);
    font-size: 1.1rem;
    font-weight: 800;
}


.tool-panel input,
.tool-panel select,
.tool-panel textarea {
    background: rgba(255, 255, 255, 0.92);
    color: #151a21;
    border-color: rgba(21, 26, 33, 0.14);
}

.tool-panel .primary-button {
    background: var(--panel-button-fill);
    color: var(--panel-button-text);
    border-color: rgba(255,255,255,0.2);
    box-shadow: 0 14px 30px rgba(21,26,33,0.14);
}

.tool-panel .secondary-button {
    background: rgba(255,255,255,0.18);
    border-color: var(--panel-line);
    color: var(--panel-text);
}

.tool-panel .ghost-button,
.tool-panel .font-picker__trigger,
.tool-panel .help-button,
.tool-panel .footer-link,
.tool-panel .lang-button {
    background: rgba(255,255,255,0.18);
    border-color: var(--panel-line);
    color: var(--panel-text);
}

#tool-converter .secondary-button,
#tool-converter .ghost-button,
#tool-converter .font-picker__trigger,
#tool-converter .help-button {
    background: rgba(255,255,255,0.32);
}

.dropzone {
    position: relative;
    display: grid;
    place-items: center;
    gap: 0.5rem;
    min-height: 220px;
    padding: 1.1rem;
    text-align: center;
    border: 1px dashed var(--panel-line, rgba(var(--accent-rgb), 0.5));
    border-radius: 24px;
    overflow: hidden;
    background: linear-gradient(180deg, var(--panel-preview, rgba(var(--accent-rgb), 0.12)), rgba(255,255,255,0.12));
    transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.dropzone.is-dragover {
    transform: translateY(-1px);
    background: linear-gradient(180deg, rgba(255,255,255,0.22), var(--panel-preview, rgba(var(--accent-rgb), 0.2)));
    border-color: rgba(var(--accent-rgb), 0.72);
}

.dropzone__icon {
    display: grid;
    place-items: center;
    inline-size: 72px;
    block-size: 72px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.88);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.65), 0 10px 24px rgba(21,26,33,0.1);
    font-size: 1.6rem;
    font-weight: 700;
    color: #151a21;
}

.dropzone__hint {
    color: var(--text-muted);
    max-width: 30ch;
    line-height: 1.5;
    font-size: 0.86rem;
}

.preview-stage {
    position: relative;
    display: grid;
    place-items: center;
    min-height: clamp(500px, 44vw, 700px);
    padding: clamp(1.15rem, 2vw, 1.45rem);
    border-radius: 28px;
    overflow: hidden;
    background:
        linear-gradient(180deg, rgba(255,255,255,0.18), rgba(255,255,255,0.08)),
        linear-gradient(45deg, rgba(255,255,255,0.12) 25%, transparent 25%, transparent 75%, rgba(255,255,255,0.12) 75%),
        linear-gradient(45deg, rgba(255,255,255,0.12) 25%, transparent 25%, transparent 75%, rgba(255,255,255,0.12) 75%),
        linear-gradient(180deg, var(--panel-preview), rgba(255,255,255,0.04));
    background-size: auto, 28px 28px, 28px 28px, auto;
    background-position: 0 0, 0 0, 14px 14px, 0 0;
    border: 1px solid var(--panel-card-border);
}

.preview-stage canvas {
    inline-size: min(100%, 640px);
    max-inline-size: 100%;
    aspect-ratio: 1;
    border-radius: 24px;
    box-shadow: 0 22px 48px rgba(21, 26, 33, 0.16);
    background: rgba(255, 255, 255, 0.86);
    touch-action: none;
}

.preview-stage--qr canvas {
    inline-size: min(100%, 560px);
}

.empty-state {
    position: absolute;
    inset: 1rem;
    display: grid;
    place-items: center;
    text-align: center;
    color: var(--panel-soft);
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(255,255,255,0.1), rgba(255,255,255,0.04));
    backdrop-filter: blur(6px);
    pointer-events: none;
}

.file-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.55rem;
}

.file-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.82rem 0.95rem;
    border-radius: 16px;
    background: rgba(255,255,255,0.16);
    border: 1px solid var(--panel-card-border);
    font-size: 0.92rem;
}

.file-list li::after {
    content: "root";
    color: var(--text-muted);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.favicon-preview-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    min-height: 80px;
}

.favicon-chip {
    display: grid;
    justify-items: center;
    gap: 0.45rem;
}

.favicon-chip__frame {
    inline-size: 78px;
    block-size: 78px;
    padding: 0.55rem;
    border-radius: 20px;
    background: rgba(255,255,255,0.18);
    border: 1px solid var(--panel-card-border);
    display: grid;
    place-items: center;
}

.favicon-chip__frame img {
    max-inline-size: 100%;
    max-block-size: 100%;
}

.favicon-chip__label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.code-snippet {
    margin: 1rem 0 0;
    padding: 1rem;
    border-radius: 18px;
    background: rgba(255,255,255,0.88);
    border: 1px solid rgba(21, 26, 33, 0.1);
    color: #1a2230;
    overflow: auto;
    white-space: pre-wrap;
    line-height: 1.6;
    font-size: 0.84rem;
    min-height: 110px;
}

.code-snippet--compact {
    min-height: 180px;
    max-height: 300px;
}

.character-input {
    text-align: center;
    font-size: clamp(1.9rem, 6vw, 3rem);
    line-height: 1;
    font-weight: 780;
    letter-spacing: -0.06em;
    padding-block: 1rem;
}

.font-picker {
    position: relative;
}

.font-picker__trigger {
    width: 100%;
    justify-content: space-between;
    text-align: left;
}

.font-picker__list {
    margin-block-start: 0.55rem;
    display: grid;
    gap: 0.45rem;
    max-height: 280px;
    overflow: auto;
    padding-inline-end: 0.2rem;
}

.font-option {
    display: grid;
    justify-items: start;
    gap: 0.18rem;
    width: 100%;
    padding: 0.78rem 0.85rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
    text-align: left;
}

.font-option.is-active {
    border-color: rgba(var(--accent-rgb), 0.36);
    background: rgba(var(--accent-rgb), 0.12);
}

.font-option__title {
    font-size: 0.84rem;
    color: var(--text-muted);
}

.font-option__sample {
    font-size: 1.18rem;
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.trust-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.18), rgba(255,255,255,0.1));
}

.trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.trust-badge {
    padding: 0.7rem 0.9rem;
    border-radius: 999px;
    background: rgba(255,255,255,0.18);
    border: 1px solid var(--panel-card-border);
    font-size: 0.84rem;
    color: var(--panel-soft);
}

.site-footer {
    display: grid;
    grid-template-columns: auto auto 1fr;
    gap: 1rem;
    align-items: center;
    padding: 1rem 1.15rem;
    margin-block-start: 1rem;
    background: linear-gradient(180deg, rgba(255,255,255,0.92), rgba(255,247,241,0.9));
}

.footer-links,
.footer-language-switch {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.lang-button.is-active {
    background: rgba(var(--accent-rgb), 0.14);
    border-color: rgba(var(--accent-rgb), 0.3);
}

.footer-copy {
    justify-self: end;
    color: var(--text-muted);
    text-align: right;
    font-size: 0.86rem;
}

.toast-stack {
    position: fixed;
    inset: auto 1rem 1rem auto;
    z-index: 80;
    display: grid;
    gap: 0.7rem;
    max-width: min(92vw, 360px);
}

.toast {
    padding: 0.92rem 1rem;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(21, 26, 33, 0.12);
    box-shadow: var(--shadow-md);
    color: var(--text);
    line-height: 1.45;
    animation: toast-in 220ms ease;
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal {
    inline-size: min(94vw, 920px);
    max-inline-size: none;
    max-block-size: calc(100vh - 1rem);
    padding: 0;
    border: 0;
    background: transparent;
}

.modal::backdrop {
    background: rgba(6, 10, 16, 0.72);
    backdrop-filter: blur(8px);
}

.modal__shell {
    display: block;
    width: min(92vw, 700px);
    max-height: calc(100vh - 2rem);
    overflow: hidden;
    margin: auto;
    padding: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.985), rgba(251,247,241,0.985));
}

.modal-scroll {
    max-height: calc(100vh - 2rem);
    overflow: auto;
    padding: 1rem 1rem 1rem 1rem;
    padding-inline-end: calc(1rem + 0.3rem);
    scrollbar-gutter: stable both-edges;
}

.modal-scroll--welcome {
    padding: 0.85rem 0.85rem 0.85rem 0.85rem;
    padding-inline-end: calc(0.85rem + 0.3rem);
}

.modal-scroll--emoji {
    padding-inline-end: calc(1rem + 0.4rem);
}

.modal__shell--welcome {
    width: min(92vw, 560px);
    max-height: calc(100vh - 2rem);
}

.modal__shell--small {
    width: min(92vw, 840px);
}

.modal__close {
    position: absolute;
    top: 0.9rem;
    right: 0.9rem;
    inline-size: 40px;
    block-size: 40px;
    border-radius: 14px;
    background: rgba(255,255,255,0.86);
    border: 1px solid rgba(21,26,33,0.1);
    font-size: 1.35rem;
    line-height: 1;
}

.modal-title {
    margin: 0.3rem 0 0.8rem;
    font-size: clamp(1.6rem, 3vw, 2.6rem);
    line-height: 1;
    letter-spacing: -0.05em;
}

.modal-copy {
    margin: 0;
    color: var(--text-soft);
    line-height: 1.68;
}

.modal-copy--muted {
    margin-block-start: 0.8rem;
    color: var(--text-muted);
}

.modal-content {
    display: grid;
    gap: 1rem;
}

.modal-section {
    padding: 1rem;
    border-radius: 20px;
    background: rgba(255,255,255,0.72);
    border: 1px solid rgba(21,26,33,0.08);
}

.modal-section h3 {
    margin: 0 0 0.6rem;
    font-size: 1.02rem;
    letter-spacing: -0.03em;
}

.modal-section p {
    margin: 0;
    color: var(--text-soft);
    line-height: 1.65;
}

.modal-section p + p {
    margin-top: 0.75rem;
}

.modal-list {
    margin: 0;
    padding-inline-start: 1.2rem;
    color: var(--text-soft);
    display: grid;
    gap: 0.55rem;
    line-height: 1.62;
}

.modal-badge {
    display: inline-flex;
    margin-top: 0.65rem;
    padding: 0.42rem 0.62rem;
    border-radius: 999px;
    background: rgba(244, 162, 89, 0.16);
    border: 1px solid rgba(244, 162, 89, 0.26);
    color: #8f5a1c;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.welcome-hero {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.85rem;
    align-items: start;
    margin-block-end: 0.85rem;
}

.welcome-icon {
    display: grid;
    place-items: center;
    inline-size: 68px;
    block-size: 68px;
    border-radius: 22px;
    background:
        linear-gradient(135deg, rgba(var(--accent-rgb), 0.92), rgba(255,255,255,0.36)),
        linear-gradient(180deg, rgba(255,255,255,0.16), transparent);
    color: #16120d;
    box-shadow: 0 18px 40px rgba(var(--accent-rgb), 0.2);
    font-size: 1.6rem;
    font-weight: 900;
}

.support-block {
    display: flex;
    justify-content: space-between;
    gap: 0.9rem;
    flex-wrap: wrap;
    margin-block: 0.95rem 1rem;
    padding: 0.9rem;
    border-radius: 22px;
    background: rgba(255,255,255,0.72);
    border: 1px solid rgba(21,26,33,0.08);
    align-items: center;
}

.support-block--centered {
    justify-content: center;
    text-align: center;
}

.support-block--centered > div:first-child {
    width: 100%;
}

.support-actions {
    width: 100%;
    justify-content: center;
    margin-top: 0.2rem;
}

.support-actions .link-button {
    flex: 0 1 208px;
}

.support-block__copy {
    margin: 0.18rem 0 0;
    color: var(--text-soft);
}

.welcome-entry-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.7rem;
}

.entry-button {
    min-height: 82px;
    padding: 0.9rem 0.95rem;
    justify-content: flex-start;
    align-items: flex-end;
    text-align: left;
    font-weight: 780;
    letter-spacing: -0.03em;
    line-height: 1.08;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.2);
}

.entry-button--converter {
    background: linear-gradient(145deg, rgba(244,162,89,0.9), rgba(255,237,219,0.95));
    border-color: rgba(223,141,59,0.8);
    color: #17120d;
}

.entry-button--generator {
    background: linear-gradient(145deg, rgba(91,142,125,0.92), rgba(232,245,239,0.95));
    border-color: rgba(71,116,100,0.84);
    color: #ffffff;
}

.entry-button--qr {
    background: linear-gradient(145deg, rgba(188,75,81,0.94), rgba(253,234,235,0.95));
    border-color: rgba(162,62,68,0.84);
    color: #ffffff;
}

@media (max-width: 1160px) {
    .top-tabs {
        padding-right: 0;
        overflow-x: auto;
        overflow-y: visible;
    }

    .tool-grid,
    .welcome-entry-grid,
    .hero-panel {
        grid-template-columns: 1fr;
    }

    .site-footer {
        grid-template-columns: 1fr;
        justify-items: start;
    }

    .footer-copy {
        justify-self: start;
        text-align: left;
    }
}

@media (max-width: 820px) {
    .app-shell {
        padding-inline: 0.7rem;
        padding-block-start: 0.7rem;
    }

    .site-header {
        grid-template-columns: 1fr;
    }

    .header-actions {
        justify-content: flex-start;
    }

    .brand-status {
        white-space: normal;
    }

    .top-tabs {
        justify-content: flex-start;
        padding-right: 0;
    }

    .tab-chip {
        min-width: 170px;
        padding: 0.72rem 0.85rem 0.92rem;
    }

    .field-grid {
        grid-template-columns: 1fr;
    }

    .preview-stage {
        min-height: 420px;
    }

    .preview-stage canvas {
        inline-size: min(100%, 92vw);
    }

    .modal__shell,
    .tool-panel,
    .surface-card,
    .hero-panel {
        border-radius: 24px;
    }

    .welcome-hero {
        grid-template-columns: 1fr;
    }

    .support-block {
        align-items: stretch;
    }
}

@media (max-width: 560px) {
    .app-shell {
        padding-inline: 0.55rem;
    }

    .brand-lockup {
        align-items: flex-start;
    }

    .brand-mark {
        inline-size: 44px;
        block-size: 44px;
        border-radius: 15px;
    }

    .top-tabs {
        gap: 0.15rem;
        margin-inline: 0;
        padding-right: 0;
    }

    .tab-chip,
    .tab-chip:not(.is-active) {
        min-width: 154px;
        border-radius: 18px 18px 0 0;
    }

    .hero-title {
        max-width: 100%;
    }

    .button-row,
    .footer-links,
    .footer-language-switch {
        width: 100%;
    }

    .welcome-entry-grid {
        grid-template-columns: 1fr;
    }
}
/* ==========================================================================
   v6 refinement overrides
   ========================================================================== */
:root {
    --grid-max: 1200px;
}

.app-shell {
    padding-top: 0.75rem;
}

.site-header {
    margin-block-end: 0.65rem;
}

.hero-panel {
    grid-template-columns: minmax(0, 1fr) minmax(180px, 220px);
    gap: 0.95rem;
    padding: 0.9rem 1rem;
    align-items: stretch;
}

.hero-title {
    max-width: 8.6ch;
    font-size: clamp(1.75rem, 3vw, 2.95rem);
    margin-bottom: 0.38rem;
}

.hero-subline {
    max-width: 54ch;
    font-size: clamp(0.95rem, 1.05vw, 1.04rem);
}

.hero-meta-card {
    min-height: auto;
    padding: 0.85rem 0.95rem;
    align-content: start;
    gap: 0.6rem;
}

.hero-meta-card__glow {
    inline-size: 112px;
    block-size: 112px;
    inset: auto -8px -22px auto;
    opacity: 0.72;
}

.hero-meta-pill {
    display: inline-flex;
    width: fit-content;
    padding: 0.36rem 0.6rem;
    border-radius: 999px;
    background: rgba(255,255,255,0.84);
    border: 1px solid rgba(21,26,33,0.08);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.hero-meta-card p {
    max-width: 18ch;
    font-size: 0.86rem;
    line-height: 1.45;
}

.top-tabs {
    gap: 0;
    padding: 0 1rem 0 0;
    margin: 0 0 -1px auto;
}

.tab-chip {
    min-width: 182px;
    padding: 0.78rem 1rem 0.88rem;
    border-radius: 22px 22px 0 0;
    box-shadow: none;
    border: 1px solid rgba(21,26,33,0.12);
    border-bottom: 0;
    margin-left: -1px;
}

.tab-chip:first-child {
    margin-left: 0;
}

.tab-chip:hover,
.tab-chip.is-active {
    transform: none;
    filter: none;
    box-shadow: none;
}

.tool-panel {
    border-top: 0;
    border-radius: 30px;
    padding: 1.12rem;
}

.tool-panel.is-active {
    animation: panel-enter 260ms ease;
}

@keyframes panel-enter {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.tool-panel__header {
    margin-block-end: 0.9rem;
}

.tool-panel__subtitle {
    max-width: 68ch;
}

.surface-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.23), rgba(255,255,255,0.14));
}

.card-header--singleline > div {
    display: flex;
    gap: 0.65rem;
    align-items: baseline;
    min-width: 0;
}

.card-header--singleline h3 {
    flex: none;
}

.card-header--singleline p {
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tool-grid {
    grid-template-columns: minmax(340px, 0.86fr) minmax(520px, 1.14fr);
    gap: 1rem;
}

.button-row--segmented > * {
    flex: 1 1 132px;
}

.field--toggle {
    align-self: end;
}

.switch {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    min-height: 48px;
    padding: 0.78rem 0.9rem;
    border-radius: 16px;
    border: 1px solid var(--panel-line);
    background: rgba(255,255,255,0.16);
}

.switch input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.switch__ui {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 28px;
    border-radius: 999px;
    background: rgba(255,255,255,0.46);
    border: 1px solid rgba(21,26,33,0.12);
}

.switch__ui::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #ffffff;
    box-shadow: 0 4px 10px rgba(21,26,33,0.14);
    transition: transform 160ms ease;
}

.switch input:checked + .switch__ui {
    background: rgba(21,26,33,0.8);
}

.switch input:checked + .switch__ui::after {
    transform: translateX(20px);
}

.switch__label {
    line-height: 1.4;
}

.tool-panel .character-input,
.tool-panel .character-input:focus,
.tool-panel #generator-character {
    background: rgba(255,255,255,0.96) !important;
    color: #151a21 !important;
    caret-color: #151a21;
}

.preview-stage {
    min-height: clamp(470px, 39vw, 640px);
}

.preview-stage canvas {
    inline-size: min(100%, 700px);
}

.preview-stage--qr canvas {
    inline-size: min(100%, 620px);
    image-rendering: crisp-edges;
}

.font-picker__list {
    max-height: 360px;
}

.font-option {
    background: rgba(255,255,255,0.08);
}

.font-option__sample {
    font-size: 1.28rem;
}

.quality-strip {
    display: grid;
    gap: 0.7rem;
    margin-top: 1rem;
    padding: 0.9rem;
    border-radius: 18px;
    background: rgba(255,255,255,0.14);
    border: 1px solid var(--panel-card-border);
}

.quality-strip__bar {
    height: 10px;
    border-radius: 999px;
    background: rgba(255,255,255,0.3);
    overflow: hidden;
}

.quality-strip__bar span {
    display: block;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #f6d365, #fda085 38%, #7ad7a4 100%);
    transition: width 180ms ease;
}

.quality-strip__copy {
    display: grid;
    gap: 0.18rem;
}

.quality-strip__copy strong {
    font-size: 0.92rem;
}

.quality-strip__copy span {
    font-size: 0.82rem;
    color: var(--panel-soft);
    line-height: 1.45;
}

.emoji-search-field {
    margin-bottom: 0.6rem;
}

.emoji-category-row {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
    width: 100%;
    min-width: 0;
}

.emoji-category-button {
    padding: 0.62rem 0.82rem;
    border-radius: 999px;
    background: rgba(255,255,255,0.76);
    border: 1px solid rgba(21,26,33,0.08);
    font-size: 0.82rem;
}

.emoji-category-button.is-active {
    background: rgba(21,26,33,0.9);
    color: #ffffff;
    border-color: rgba(21,26,33,0.9);
}

.emoji-picker {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(44px, 1fr));
    gap: 0.5rem;
    width: 100%;
    min-width: 0;
}

.emoji-button {
    display: grid;
    place-items: center;
    min-height: 52px;
    border-radius: 16px;
    background: rgba(255,255,255,0.74);
    border: 1px solid rgba(21,26,33,0.08);
    font-size: 1.55rem;
    line-height: 1;
    transition: transform 150ms ease, background 150ms ease;
}

.emoji-button:hover {
    transform: translateY(-1px);
    background: rgba(255,255,255,0.94);
}

.emoji-picker-empty {
    grid-column: 1 / -1;
    padding: 0.9rem;
    border-radius: 16px;
    background: rgba(255,255,255,0.58);
    color: var(--text-soft);
}

.code-snippet {
    background: rgba(255,255,255,0.92);
}

.modal__shell--small {
    width: min(94vw, 820px);
}

.welcome-entry-grid .entry-button {
    min-height: 78px;
}

@media (max-width: 1160px) {
    .hero-panel {
        grid-template-columns: 1fr;
    }

    .hero-meta-card {
        max-width: 260px;
    }
}

@media (max-width: 860px) {
    .top-tabs {
        padding-right: 0;
        overflow-x: auto;
    }

    .tab-chip {
        min-width: 168px;
    }

    .tool-grid {
        grid-template-columns: 1fr;
    }

    .preview-stage {
        min-height: 390px;
    }

    .card-header--singleline > div {
        display: grid;
        gap: 0.2rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .tool-panel.is-active,
    .toast,
    .emoji-button,
    .primary-button,
    .secondary-button,
    .ghost-button,
    .font-picker__trigger {
        animation: none !important;
        transition: none !important;
    }
}


/* v7 refinement overrides */
.hero-panel {
    grid-template-columns: 1fr !important;
    gap: 0.4rem !important;
    padding: 0.8rem 1rem !important;
    min-height: 0;
    border-radius: 0 30px 30px 30px !important;
}

.hero-meta-card {
    display: none !important;
}

.hero-title {
    max-width: 11ch;
    font-size: clamp(1.55rem, 2.55vw, 2.8rem) !important;
    margin-bottom: 0.28rem !important;
}

.hero-subline {
    max-width: 78ch !important;
    font-size: clamp(0.92rem, 1vw, 1.02rem) !important;
    line-height: 1.45 !important;
}

.tool-panel {
    border-top-right-radius: 0 !important;
    border-radius: 30px 0 30px 30px !important;
}

.top-tabs {
    gap: 0 !important;
}

.tab-chip {
    border-radius: 22px 22px 0 0 !important;
}

.secondary-button.is-active,
.ghost-button.is-active,
.font-option.is-active {
    background: rgba(21,26,33,0.9) !important;
    color: #ffffff !important;
    border-color: rgba(21,26,33,0.9) !important;
}

#tool-converter .secondary-button.is-active,
#tool-converter .ghost-button.is-active,
#tool-generator .secondary-button.is-active,
#tool-generator .ghost-button.is-active,
#tool-qr .secondary-button.is-active,
#tool-qr .ghost-button.is-active {
    background: rgba(21,26,33,0.86) !important;
    color: #ffffff !important;
}

.mode-hint {
    margin: 0.55rem 0 0;
    font-size: 0.78rem;
    line-height: 1.45;
    color: var(--panel-soft);
}

.field.is-disabled,
#converter-background-field.is-disabled {
    opacity: 0.56;
}

#converter-background-field input:disabled {
    cursor: not-allowed;
}

.switch {
    transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.switch.is-active {
    background: rgba(21,26,33,0.16);
    border-color: rgba(21,26,33,0.22);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.18);
}

.switch input:checked + .switch__ui {
    background: rgba(21,26,33,0.94);
}

.preview-stage {
    min-height: clamp(520px, 42vw, 720px) !important;
}

#tool-converter .preview-stage canvas {
    inline-size: min(100%, 760px) !important;
}

#tool-qr .preview-stage canvas {
    inline-size: min(100%, 700px) !important;
}

.modal-content {
    overflow-x: hidden;
}

.modal__shell--small {
    width: min(94vw, 840px) !important;
}

.emoji-search-field,
.emoji-category-row,
.emoji-picker {
    max-width: 100%;
}

.emoji-category-row {
    gap: 0.42rem;
}

.emoji-picker {
    grid-template-columns: repeat(auto-fill, minmax(44px, 1fr)) !important;
    max-height: min(54vh, 520px);
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 0.2rem;
    align-content: start;
}

.emoji-button {
    min-height: 46px !important;
    font-size: 1.38rem !important;
}

@media (max-width: 860px) {
    .hero-panel {
        padding: 0.78rem 0.88rem !important;
        border-radius: 0 24px 24px 24px !important;
    }

    .hero-title {
        max-width: 13ch;
    }

    .tool-panel {
        border-radius: 26px 0 26px 26px !important;
    }
}

.tool-panel__header {
    padding-right: 0.05rem;
}

.tool-panel .help-button {
    border-radius: 16px 0 16px 16px !important;
}


.control-cluster {
    display: grid;
    gap: 0.9rem;
    margin-top: 1rem;
    padding: 0.95rem;
    border-radius: 22px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.14);
}

.control-cluster:first-of-type {
    margin-top: 0;
}

.control-cluster__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.control-cluster__title {
    margin: 0;
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--panel-soft);
}

.field-grid--compact {
    gap: 0.85rem;
}

.field-grid--shadow .field--full {
    grid-column: 1 / -1;
}

.field--toggle .switch {
    width: 100%;
    justify-content: space-between;
    gap: 0.9rem;
    min-height: 52px;
    padding: 0.75rem 0.9rem;
    border-radius: 18px;
    background: rgba(255,255,255,0.22);
}

.switch__label {
    font-size: 0.84rem;
    color: var(--panel-text);
}

.modal-scroll,
.font-picker__list,
.emoji-picker,
.code-snippet {
    scrollbar-width: thin;
    scrollbar-color: rgba(21,26,33,0.32) transparent;
}

.modal-scroll::-webkit-scrollbar,
.font-picker__list::-webkit-scrollbar,
.emoji-picker::-webkit-scrollbar,
.code-snippet::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

.modal-scroll::-webkit-scrollbar-track,
.font-picker__list::-webkit-scrollbar-track,
.emoji-picker::-webkit-scrollbar-track,
.code-snippet::-webkit-scrollbar-track {
    background: transparent;
}

.modal-scroll::-webkit-scrollbar-thumb,
.font-picker__list::-webkit-scrollbar-thumb,
.emoji-picker::-webkit-scrollbar-thumb,
.code-snippet::-webkit-scrollbar-thumb {
    background: rgba(21,26,33,0.24);
    border: 3px solid transparent;
    border-radius: 999px;
    background-clip: content-box;
}

@media (min-width: 980px) {
    .hero-panel {
        padding: 0.72rem 1rem !important;
    }

    .hero-eyebrow,
    .hero-title,
    .hero-subline {
        white-space: nowrap;
    }

    .hero-title {
        max-width: none !important;
        font-size: clamp(1.38rem, 2vw, 2.25rem) !important;
        line-height: 1.04 !important;
    }

    .hero-subline {
        max-width: none !important;
        font-size: clamp(0.88rem, 0.92vw, 0.98rem) !important;
        line-height: 1.35 !important;
    }
}

@media (max-width: 860px) {
    .field-grid--shadow,
    .field-grid--compact {
        grid-template-columns: 1fr;
    }
}

.modal-content,
.modal-section,
.emoji-search-field,
.emoji-category-button {
    min-width: 0;
}

.modal-section {
    overflow: hidden;
}


#tool-converter .switch {
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 52px;
    padding: 0.7rem 0.9rem;
    border-radius: 18px;
    background: rgba(255,255,255,0.24);
    border-color: rgba(21,26,33,0.18);
}

#tool-converter .switch__label {
    font-size: 0.86rem;
    font-weight: 650;
    color: var(--panel-text);
}

#tool-converter .switch__ui {
    background: rgba(21,26,33,0.18);
}

#tool-converter .switch.is-active {
    background: rgba(21,26,33,0.08);
    border-color: rgba(21,26,33,0.26);
}

#tool-converter .switch input:checked + .switch__ui {
    background: rgba(21,26,33,0.88);
}

#tool-generator .preview-stage canvas,
#tool-qr .preview-stage canvas {
    image-rendering: auto !important;
}

#tool-generator .field-grid--compact,
#tool-generator .field-grid--shadow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

#tool-generator .button-row--grow > * {
    flex: 1 1 220px;
}

@media (max-width: 720px) {
    #tool-generator .field-grid--compact,
    #tool-generator .field-grid--shadow {
        grid-template-columns: 1fr;
    }

    .support-actions .link-button {
        flex-basis: 100%;
    }
}

/* custom cleanup pass */
.hero-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.9rem;
    flex-wrap: wrap;
    margin-bottom: 0.45rem;
}

.brand-lockup--hero {
    flex: 1 1 380px;
}

.brand-mark--logo {
    inline-size: 56px;
    block-size: 56px;
    padding: 0.35rem;
    border-radius: 18px;
    background: rgba(13, 17, 24, 0.96);
    box-shadow: 0 16px 28px rgba(21, 26, 33, 0.18);
}

.brand-mark--logo img,
.welcome-icon img {
    display: block;
    inline-size: 100%;
    block-size: 100%;
    object-fit: contain;
}

.hero-actions {
    flex: 0 0 auto;
}

.hero-copy {
    display: grid;
    gap: 0.25rem;
}

.field--emoji-inline {
    position: relative;
}

.emoji-picker-popover {
    position: relative;
    margin-top: 0.65rem;
    padding: 0.85rem;
    border-radius: 20px;
    background: rgba(255,255,255,0.9);
    border: 1px solid rgba(21,26,33,0.08);
    box-shadow: 0 18px 36px rgba(21,26,33,0.12);
}

.emoji-picker-copy-wrap {
    margin-bottom: 0.5rem;
}

.emoji-picker-copy {
    margin: 0;
    color: var(--panel-soft);
    font-size: 0.83rem;
    line-height: 1.45;
}

.welcome-icon {
    background: rgba(13, 17, 24, 0.96);
    padding: 0.4rem;
}

#help-modal[data-help-theme="converter"] .modal__shell {
    background: linear-gradient(180deg, rgba(255,247,240,0.99), rgba(255,241,232,0.99));
}
#help-modal[data-help-theme="converter"] .modal-section {
    background: rgba(255,255,255,0.78);
    border-color: rgba(244,162,89,0.28);
}
#help-modal[data-help-theme="generator"] .modal__shell {
    background: linear-gradient(180deg, rgba(240,249,245,0.99), rgba(232,243,238,0.99));
}
#help-modal[data-help-theme="generator"] .modal-section {
    background: rgba(255,255,255,0.78);
    border-color: rgba(91,142,125,0.28);
}
#help-modal[data-help-theme="qr"] .modal__shell {
    background: linear-gradient(180deg, rgba(252,242,243,0.99), rgba(246,233,235,0.99));
}
#help-modal[data-help-theme="qr"] .modal-section {
    background: rgba(255,255,255,0.78);
    border-color: rgba(188,75,81,0.28);
}

#tool-generator .field--toggle .switch,
#tool-qr .field--toggle .switch {
    width: 100%;
    justify-content: space-between;
}

#tool-generator .field.is-disabled,
#tool-qr .field.is-disabled {
    opacity: 0.56;
}

@media (max-width: 860px) {
    .hero-topbar {
        align-items: stretch;
    }

    .hero-actions {
        width: 100%;
        justify-content: flex-start;
    }
}


.brand-copy--hero {
    display: grid;
    gap: 0.16rem;
    align-content: center;
}

.hero-title--compact {
    margin: 0;
    max-width: 22ch;
    font-size: clamp(1.1rem, 1.6vw, 1.42rem);
    line-height: 1.04;
    letter-spacing: -0.04em;
}

.hero-subline--compact {
    margin: 0;
    max-width: 60ch;
    font-size: 0.82rem;
    line-height: 1.35;
}

.hero-panel {
    grid-template-columns: minmax(0, 1fr);
    padding: 0.8rem 1rem;
}

.hero-topbar {
    margin-bottom: 0;
    gap: 0.75rem;
}

.brand-lockup--hero {
    flex: 1 1 560px;
    align-items: flex-start;
}

.hero-actions {
    align-self: flex-start;
}

@media (max-width: 860px) {
    .hero-title--compact {
        font-size: 1.02rem;
    }

    .hero-subline--compact {
        font-size: 0.76rem;
        line-height: 1.32;
    }
}

/* v8 popup layout + mobile stacked tabs */
.welcome-hero {
    grid-template-columns: 1fr !important;
    justify-items: center;
    text-align: center;
    gap: 0.7rem;
}

.welcome-hero > div:last-child {
    display: grid;
    gap: 0.24rem;
    justify-items: center;
}

.welcome-hero .modal-copy,
.welcome-hero .modal-copy--muted {
    max-width: min(100%, 42rem);
}

.modal__shell--welcome {
    display: flex;
    flex-direction: column;
}

.modal-scroll--welcome {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    scroll-padding-bottom: 7rem;
}

.welcome-entry-grid {
    position: sticky;
    bottom: 0;
    z-index: 4;
    margin-top: 0.1rem;
    padding-top: 0.95rem;
    background: linear-gradient(180deg, rgba(248,245,241,0), rgba(248,245,241,0.9) 20%, rgba(248,245,241,0.98) 42%, rgba(248,245,241,1) 100%);
}

@media (max-width: 720px) {
    .modal__shell--welcome {
        width: min(96vw, 560px);
        max-height: calc(100vh - 1rem);
    }

    .modal-scroll--welcome {
        padding: 0.8rem 0.78rem calc(env(safe-area-inset-bottom, 0px) + 0.8rem) 0.78rem;
    }

    .welcome-icon {
        inline-size: 58px;
        block-size: 58px;
        border-radius: 18px;
    }

    .modal-title {
        font-size: clamp(1.32rem, 7vw, 1.95rem);
        line-height: 1.05;
    }

    .welcome-entry-grid {
        grid-template-columns: 1fr;
        padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 0.05rem);
    }

    .entry-button {
        min-height: 72px;
        padding: 0.82rem 0.9rem;
    }
}

@media (max-width: 680px) {
    .top-tabs {
        --tab-stack-step: 1.8rem;
        position: relative;
        height: 78px;
        margin: 0 0 -1px 0 !important;
        padding: 0 !important;
        overflow: visible !important;
    }

    .tab-chip {
        position: absolute;
        inset-block-start: 0;
        inset-inline-start: 0;
        width: calc(100% - calc(var(--tab-stack-step) * 2));
        min-width: 0 !important;
        margin: 0 !important;
        padding: 0.72rem 0.9rem 0.82rem !important;
        box-shadow: 0 14px 24px rgba(21, 26, 33, 0.12);
    }

    .tab-chip__kicker {
        font-size: 0.58rem;
    }

    .tab-chip__label {
        font-size: 0.94rem;
        line-height: 1.08;
    }

    body[data-active-tool="converter"] .tab-chip[data-tool-tab="converter"] {
        transform: translateX(0);
        z-index: 3;
    }

    body[data-active-tool="converter"] .tab-chip[data-tool-tab="generator"] {
        transform: translateX(var(--tab-stack-step));
        z-index: 2;
    }

    body[data-active-tool="converter"] .tab-chip[data-tool-tab="qr"] {
        transform: translateX(calc(var(--tab-stack-step) * 2));
        z-index: 1;
    }

    body[data-active-tool="generator"] .tab-chip[data-tool-tab="generator"] {
        transform: translateX(0);
        z-index: 3;
    }

    body[data-active-tool="generator"] .tab-chip[data-tool-tab="converter"] {
        transform: translateX(var(--tab-stack-step));
        z-index: 2;
    }

    body[data-active-tool="generator"] .tab-chip[data-tool-tab="qr"] {
        transform: translateX(calc(var(--tab-stack-step) * 2));
        z-index: 1;
    }

    body[data-active-tool="qr"] .tab-chip[data-tool-tab="qr"] {
        transform: translateX(0);
        z-index: 3;
    }

    body[data-active-tool="qr"] .tab-chip[data-tool-tab="generator"] {
        transform: translateX(var(--tab-stack-step));
        z-index: 2;
    }

    body[data-active-tool="qr"] .tab-chip[data-tool-tab="converter"] {
        transform: translateX(calc(var(--tab-stack-step) * 2));
        z-index: 1;
    }

    .tool-panel {
        border-radius: 24px 0 24px 24px !important;
    }
}

/* v9 mobile tabs + unified background switches + transparent preview cue */
.preview-stage canvas.is-transparent-preview {
    background:
        linear-gradient(45deg, rgba(21,26,33,0.08) 25%, transparent 25%, transparent 75%, rgba(21,26,33,0.08) 75%),
        linear-gradient(45deg, rgba(21,26,33,0.08) 25%, transparent 25%, transparent 75%, rgba(21,26,33,0.08) 75%),
        rgba(255,255,255,0.98) !important;
    background-size: 24px 24px, 24px 24px, auto;
    background-position: 0 0, 12px 12px, 0 0;
}

#tool-converter .field--toggle .switch,
#tool-generator .field--toggle .switch,
#tool-qr .field--toggle .switch {
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 52px;
    padding: 0.75rem 0.9rem;
    border-radius: 18px;
    border: 1px solid rgba(21,26,33,0.18);
    background: rgba(255,255,255,0.22);
    box-shadow: none;
}

#tool-converter .field--toggle .switch.is-active,
#tool-generator .field--toggle .switch.is-active,
#tool-qr .field--toggle .switch.is-active {
    background: rgba(21,26,33,0.1);
    border-color: rgba(21,26,33,0.24);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.18);
}

#tool-converter .field--toggle .switch__ui,
#tool-generator .field--toggle .switch__ui,
#tool-qr .field--toggle .switch__ui {
    flex: 0 0 auto;
    background: rgba(21,26,33,0.18);
}

#tool-converter .field--toggle .switch input:checked + .switch__ui,
#tool-generator .field--toggle .switch input:checked + .switch__ui,
#tool-qr .field--toggle .switch input:checked + .switch__ui {
    background: rgba(21,26,33,0.9);
}

#tool-converter .field--toggle .switch__label,
#tool-generator .field--toggle .switch__label,
#tool-qr .field--toggle .switch__label {
    flex: 1 1 auto;
    min-width: 0;
    font-size: 0.85rem;
    font-weight: 650;
    color: var(--panel-text);
}

@media (max-width: 680px) {
    .page-grid {
        gap: 0.75rem;
    }

    .tool-workspace {
        margin-top: 0;
    }

    .top-tabs {
        --tab-stack-step: 4rem;
        position: relative;
        height: 72px;
        margin: 0 0 -1px 0 !important;
        padding: 0 !important;
        overflow: visible !important;
    }

    .tab-chip {
        position: absolute;
        inset-block-start: 0;
        inset-inline-start: 0;
        width: calc(100% - (var(--tab-stack-step) * 2));
        min-width: 0 !important;
        height: 72px;
        margin: 0 !important;
        padding: 0.7rem 0.95rem 0.82rem !important;
        border-radius: 22px 22px 0 0 !important;
        border: 1px solid rgba(21,26,33,0.12);
        border-bottom: 0;
        box-shadow: 0 14px 24px rgba(21, 26, 33, 0.12) !important;
        overflow: hidden;
    }

    .tab-chip__kicker {
        font-size: 0.56rem;
    }

    .tab-chip__label {
        font-size: 0.92rem;
        line-height: 1.06;
    }

    .tab-chip:not(.is-active) .tab-chip__kicker,
    .tab-chip:not(.is-active) .tab-chip__label {
        opacity: 0;
        pointer-events: none;
    }

    .tab-chip:not(.is-active)::after {
        content: attr(data-tab-short);
        position: absolute;
        inset-inline-end: 0.85rem;
        inset-block-start: 50%;
        transform: translateY(-50%);
        font-size: 2rem;
        font-weight: 850;
        letter-spacing: 0.04em;
        line-height: 1;
        color: inherit;
        white-space: nowrap;
    }

    body[data-active-tool="converter"] .tab-chip[data-tool-tab="converter"] {
        transform: translateX(0);
        z-index: 3;
    }

    body[data-active-tool="converter"] .tab-chip[data-tool-tab="generator"] {
        transform: translateX(var(--tab-stack-step));
        z-index: 2;
    }

    body[data-active-tool="converter"] .tab-chip[data-tool-tab="qr"] {
        transform: translateX(calc(var(--tab-stack-step) * 2));
        z-index: 1;
    }

    body[data-active-tool="generator"] .tab-chip[data-tool-tab="generator"] {
        transform: translateX(0);
        z-index: 3;
    }

    body[data-active-tool="generator"] .tab-chip[data-tool-tab="converter"] {
        transform: translateX(var(--tab-stack-step));
        z-index: 2;
    }

    body[data-active-tool="generator"] .tab-chip[data-tool-tab="qr"] {
        transform: translateX(calc(var(--tab-stack-step) * 2));
        z-index: 1;
    }

    body[data-active-tool="qr"] .tab-chip[data-tool-tab="qr"] {
        transform: translateX(0);
        z-index: 3;
    }

    body[data-active-tool="qr"] .tab-chip[data-tool-tab="generator"] {
        transform: translateX(var(--tab-stack-step));
        z-index: 2;
    }

    body[data-active-tool="qr"] .tab-chip[data-tool-tab="converter"] {
        transform: translateX(calc(var(--tab-stack-step) * 2));
        z-index: 1;
    }

    .tool-panel {
        border-radius: 0 0 24px 24px !important;
        border-top: 0;
    }

    .tool-panel__header {
        padding-top: 0.15rem;
    }
}


/* v8 targeted fixes */
.modal__shell--emoji {
    width: min(92vw, 760px);
}

.emoji-modal__title {
    margin-bottom: 0.7rem;
}

.emoji-picker-popover {
    display: grid;
    gap: 0.75rem;
}

.hero-panel {
    border-radius: 0 0 30px 30px !important;
}

@media (max-width: 860px) {
    .hero-panel {
        border-radius: 0 0 24px 24px !important;
    }
}


/* v10 polish fixes */
.hero-panel {
    border-top-left-radius: 0 !important;
    border-top-right-radius: 0 !important;
}

.brand-lockup--hero {
    align-items: stretch;
}

.brand-mark--logo,
.welcome-icon--plain {
    align-self: stretch;
    inline-size: auto;
    block-size: auto;
    padding: 0 !important;
    border: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
}

.brand-mark--logo {
    display: flex;
    align-items: stretch;
}

.brand-mark--logo img,
.welcome-icon--plain img {
    inline-size: auto;
    block-size: 100%;
    max-inline-size: 132px;
    object-fit: contain;
}

.brand-copy--welcome {
    gap: 0.12rem;
    align-content: start;
}

.modal-title--welcome {
    margin: 0;
    max-width: 22ch;
    font-size: clamp(3rem, 2.35vw, 2rem);
    line-height: 1.02;
    letter-spacing: -0.045em;
}

.modal-copy--welcome {
    margin: 0;
    max-width: 60ch;
    font-size: 0.82rem;
    line-height: 1.35;
}

.tool-grid,
.field-grid,
.field-grid--compact,
.field-grid--shadow {
    align-items: start;
}

.control-cluster {
    gap: 0.75rem;
    padding: 0.85rem;
}

.tool-panel .card-header {
    margin-block-end: 0.7rem;
}

.tool-panel .card-header p,
.tool-panel .dropzone__hint,
.tool-panel .mode-hint,
.tool-panel .field small:not(#generator-size-note):not(#qr-url-status) {
    display: none;
}

.tool-panel .tool-panel__subtitle {
    max-width: 54ch;
    line-height: 1.45;
}

.field {
    position: relative;
    align-content: start;
}

.field--toggle {
    gap: 0.4rem;
}

#tool-converter .field--toggle .switch,
#tool-generator .field--toggle .switch,
#tool-qr .field--toggle .switch {
    width: 100%;
    min-height: 56px;
    padding: 0.8rem 0.95rem;
    border-radius: 18px;
    border: 1px solid rgba(21,26,33,0.18) !important;
    background: rgba(255,255,255,0.22) !important;
    box-shadow: none !important;
    justify-content: space-between;
    align-items: center;
    gap: 0.95rem;
}

#tool-converter .field--toggle .switch.is-active,
#tool-generator .field--toggle .switch.is-active,
#tool-qr .field--toggle .switch.is-active {
    background: rgba(21,26,33,0.10) !important;
    border-color: rgba(21,26,33,0.24) !important;
}

#tool-converter .field--toggle .switch__ui,
#tool-generator .field--toggle .switch__ui,
#tool-qr .field--toggle .switch__ui {
    flex: 0 0 auto;
    background: rgba(21,26,33,0.18) !important;
}

#tool-converter .field--toggle .switch input:checked + .switch__ui,
#tool-generator .field--toggle .switch input:checked + .switch__ui,
#tool-qr .field--toggle .switch input:checked + .switch__ui {
    background: rgba(21,26,33,0.9) !important;
}

#tool-converter .field--toggle .switch__label,
#tool-generator .field--toggle .switch__label,
#tool-qr .field--toggle .switch__label {
    flex: 1 1 auto;
    min-width: 0;
    font-size: 0.85rem !important;
    font-weight: 650 !important;
    color: var(--panel-text) !important;
}

.field > .font-picker {
    position: absolute;
    inset-inline: 0;
    inset-block-start: calc(100% + 0.45rem);
    z-index: 30;
    margin: 0;
    padding: 0.8rem;
    border-radius: 20px;
    border: 1px solid rgba(21,26,33,0.12);
    background: rgba(255,255,255,0.98);
    box-shadow: 0 18px 36px rgba(21,26,33,0.16);
}

.font-picker__list {
    margin-block-start: 0;
}

@media (max-width: 860px) {
    .hero-panel {
        border-top-left-radius: 0 !important;
        border-top-right-radius: 0 !important;
    }

    .brand-mark--logo img,
    .welcome-icon--plain img {
        max-inline-size: 108px;
    }
}


@media (min-width: 681px) {
    .top-tabs {
        padding-right: 0 !important;
    }

    .support-block {
        margin-block: 0.7rem 0.85rem;
        padding: 0.72rem 0.9rem;
    }

    .support-actions {
        margin-top: 0;
    }
}


/* v11 usability refinements */
.tool-grid {
    grid-template-columns: minmax(320px, 0.82fr) minmax(520px, 1.18fr);
    gap: 1rem;
}

.field-grid {
    gap: 0.78rem;
}

.tool-panel {
    padding: 1rem;
}

.tool-panel .surface-card {
    padding: 0.88rem;
}

.tool-panel .card-header {
    margin-block-end: 0.75rem;
}

.control-cluster {
    gap: 0.65rem;
    padding: 0.72rem;
}

.control-cluster__title {
    font-size: 0.78rem;
}

#tool-converter .field--toggle .switch,
#tool-generator .field--toggle .switch,
#tool-qr .field--toggle .switch {
    min-height: 50px;
    padding: 0.72rem 0.82rem;
}

#tool-converter .dropzone {
    min-height: 180px;
}

.tool-panel .primary-button,
.tool-panel .secondary-button,
.tool-panel .ghost-button,
.tool-panel .font-picker__trigger,
.tool-panel .help-button,
.tool-panel .lang-button,
.tool-panel .footer-link {
    min-height: 44px;
    padding: 0.72rem 0.92rem;
    border-radius: 15px;
}

.surface-card--sticky {
    position: sticky;
    top: 0.95rem;
}

.entry-button {
    min-height: 96px;
    font-size: 1rem;
}

.entry-button--featured {
    font-size: 1.08rem;
    line-height: 1.2;
}

.font-option {
    gap: 0.26rem;
}

.font-option__title {
    color: var(--panel-soft);
    opacity: 0.92;
}

.font-option__sample {
    font-family: inherit;
    font-size: 1.28rem;
    font-weight: 700;
}

.emoji-picker__trigger {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.8rem;
    width: 100%;
    min-height: 58px;
    padding: 0.8rem 0.95rem;
    border-radius: 18px;
    border: 1px solid rgba(21,26,33,0.18);
    background: linear-gradient(180deg, rgba(255,255,255,0.3), rgba(255,255,255,0.16));
    color: var(--panel-text);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.22);
    text-align: left;
    transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease;
}

.emoji-picker__trigger:hover {
    transform: translateY(-1px);
}

.emoji-picker__trigger-icon {
    display: grid;
    place-items: center;
    inline-size: 38px;
    block-size: 38px;
    border-radius: 12px;
    background: rgba(255,255,255,0.18);
    font-size: 1.25rem;
    flex: 0 0 auto;
}

.emoji-picker__trigger-text {
    display: grid;
    gap: 0.12rem;
}

.emoji-picker__trigger-text > span:first-child {
    font-weight: 700;
}

.emoji-picker__trigger-hint {
    font-size: 0.78rem;
    color: var(--panel-soft);
}

.shadow-direction-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.42rem;
    padding: 0.5rem;
    border-radius: 20px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.14);
}

.shadow-direction-button {
    display: grid;
    place-items: center;
    min-height: 54px;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.14);
    background: rgba(255,255,255,0.12);
    color: var(--panel-text);
    transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.shadow-direction-button:hover {
    transform: translateY(-1px);
    background: rgba(255,255,255,0.18);
}

.shadow-direction-button.is-active {
    background: rgba(255,255,255,0.94);
    color: #151a21;
    border-color: rgba(21,26,33,0.18);
    box-shadow: 0 10px 20px rgba(21,26,33,0.12);
}

.shadow-direction-button__icon {
    font-size: 1.18rem;
    line-height: 1;
    font-weight: 800;
}

@media (max-width: 1024px) {
    .surface-card--sticky {
        position: static;
    }
}

@media (max-width: 860px) {
    .tool-grid {
        grid-template-columns: 1fr;
    }

    .entry-button,
    .entry-button--featured {
        font-size: 0.98rem;
    }
}

/* v10 qr preview accuracy + stable emoji modal + stronger help / font picker visuals */
.hero-panel {
    border-radius: 0 0 30px 0 !important;
}

@media (max-width: 860px) {
    .hero-panel {
        border-radius: 0 0 24px 0 !important;
    }
}

.field > .font-picker {
    background: linear-gradient(180deg, rgba(255,255,255,0.99), rgba(248,250,252,0.985)) !important;
    border-color: rgba(21,26,33,0.12) !important;
}

.font-option {
    background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(247,249,252,0.96)) !important;
    border-color: rgba(21,26,33,0.1) !important;
    color: #151a21 !important;
}

.font-option__title {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif !important;
    color: rgba(21,26,33,0.68) !important;
    font-weight: 750;
    letter-spacing: 0.01em;
}

.font-option__sample {
    display: inline-flex;
    align-items: center;
    min-height: 2.3rem;
    padding: 0.28rem 0.56rem;
    border-radius: 12px;
    background: rgba(255,255,255,0.94);
    border: 1px solid rgba(21,26,33,0.08);
    color: #111722 !important;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.75);
}

.font-option.is-active {
    background: linear-gradient(180deg, rgba(255,255,255,0.99), rgba(var(--accent-rgb), 0.12)) !important;
    border-color: rgba(var(--accent-rgb), 0.42) !important;
}

#font-picker-label {
    color: var(--panel-text) !important;
    font-weight: 780;
}

.help-button {
    border-radius: 18px !important;
    color: #ffffff !important;
    border: 1px solid rgba(255,255,255,0.2) !important;
    text-shadow: 0 1px 0 rgba(0,0,0,0.16);
}

#tool-converter .help-button {
    background: linear-gradient(145deg, rgba(244,162,89,0.98), rgba(224,126,37,0.96)) !important;
    box-shadow: 0 16px 34px rgba(244,162,89,0.34) !important;
}

#tool-generator .help-button {
    background: linear-gradient(145deg, rgba(91,142,125,0.98), rgba(54,113,92,0.96)) !important;
    box-shadow: 0 16px 34px rgba(91,142,125,0.3) !important;
}

#tool-qr .help-button {
    background: linear-gradient(145deg, rgba(188,75,81,0.98), rgba(150,44,50,0.96)) !important;
    box-shadow: 0 16px 34px rgba(188,75,81,0.32) !important;
}

.tool-panel .help-button:hover {
    filter: saturate(1.04) brightness(1.02);
}

.preview-stage--qr canvas {
    inline-size: min(100%, 620px);
    image-rendering: crisp-edges;
    display: block;
    background: transparent !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    outline: none;
}

.preview-stage--qr canvas.is-transparent-preview {
    background-color: rgba(255,255,255,0.94) !important;
    background-image: conic-gradient(from 45deg, rgba(21,26,33,0.08) 0 25%, transparent 0 50%, rgba(21,26,33,0.08) 0 75%, transparent 0) !important;
    background-size: 24px 24px !important;
    background-position: 0 0 !important;
    outline: 1px solid rgba(21,26,33,0.18) !important;
}

.preview-stage--qr canvas:not(.is-transparent-preview) {
    outline: none !important;
}

.modal__shell--emoji {
    width: min(92vw, 820px) !important;
}

.modal-scroll--emoji {
    scrollbar-gutter: stable both-edges;
}

.emoji-category-row {
    min-height: 44px;
    align-items: flex-start;
}

.emoji-picker {
    grid-template-columns: repeat(auto-fill, minmax(44px, 1fr)) !important;
    min-height: min(52vh, 420px);
    max-height: min(52vh, 420px);
    overflow-y: auto;
    overflow-x: hidden;
    align-content: start;
    scrollbar-gutter: stable both-edges;
    padding-right: 0.2rem;
}

.emoji-picker-empty {
    align-self: start;
    min-height: 70px;
}


/* v11 final fixes: stronger help theme, square QR transparency preview, smaller hero logo */
.tool-panel .help-button {
    inline-size: 48px !important;
    min-width: 48px !important;
    min-height: 48px !important;
    padding: 0 !important;
    border-radius: 18px !important;
    background-clip: padding-box;
}

#tool-converter .help-button {
    background: linear-gradient(180deg, #f4a259, #d97a1e) !important;
    border-color: rgba(255,255,255,0.24) !important;
    box-shadow: 0 16px 34px rgba(244,162,89,0.42) !important;
}

#tool-generator .help-button {
    background: linear-gradient(180deg, #5b8e7d, #3b705f) !important;
    border-color: rgba(255,255,255,0.22) !important;
    box-shadow: 0 16px 34px rgba(91,142,125,0.38) !important;
}

#tool-qr .help-button {
    background: linear-gradient(180deg, #bc4b51, #922d33) !important;
    border-color: rgba(255,255,255,0.22) !important;
    box-shadow: 0 16px 34px rgba(188,75,81,0.4) !important;
}

#help-modal[data-help-theme="converter"] .modal__shell {
    background: linear-gradient(180deg, rgba(255,236,218,0.995), rgba(252,224,190,0.99)) !important;
    border: 1px solid rgba(244,162,89,0.38);
    box-shadow: 0 24px 54px rgba(133,74,21,0.22);
}

#help-modal[data-help-theme="generator"] .modal__shell {
    background: linear-gradient(180deg, rgba(230,245,238,0.995), rgba(201,229,218,0.99)) !important;
    border: 1px solid rgba(91,142,125,0.34);
    box-shadow: 0 24px 54px rgba(54,96,82,0.2);
}

#help-modal[data-help-theme="qr"] .modal__shell {
    background: linear-gradient(180deg, rgba(252,232,234,0.995), rgba(238,195,199,0.992)) !important;
    border: 1px solid rgba(188,75,81,0.36);
    box-shadow: 0 24px 54px rgba(122,34,40,0.22);
}

#help-modal[data-help-theme] .modal-kicker {
    color: rgba(21,26,33,0.5);
}

#help-modal[data-help-theme="converter"] .modal-title,
#help-modal[data-help-theme="converter"] .modal-section h3 {
    color: #8a4d15;
}

#help-modal[data-help-theme="generator"] .modal-title,
#help-modal[data-help-theme="generator"] .modal-section h3 {
    color: #355d4f;
}

#help-modal[data-help-theme="qr"] .modal-title,
#help-modal[data-help-theme="qr"] .modal-section h3 {
    color: #7f2d33;
}

#help-modal[data-help-theme="converter"] .modal-section {
    background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(255,244,232,0.84)) !important;
    border-color: rgba(244,162,89,0.34) !important;
}

#help-modal[data-help-theme="generator"] .modal-section {
    background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(237,248,243,0.84)) !important;
    border-color: rgba(91,142,125,0.32) !important;
}

#help-modal[data-help-theme="qr"] .modal-section {
    background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(252,240,241,0.84)) !important;
    border-color: rgba(188,75,81,0.34) !important;
}

.preview-stage--qr canvas {
    display: block;
    background: transparent !important;
    border-radius: 0 !important;
    border: 0 !important;
    outline: none !important;
    box-shadow: none !important;
    box-sizing: border-box;
}

.preview-stage--qr .empty-state {
    inset: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
    backdrop-filter: none !important;
}

.preview-stage--qr canvas.is-transparent-preview {
    background: transparent !important;
    background-image: none !important;
    border: 1px solid rgba(21,26,33,0.16) !important;
}

.brand-lockup--hero {
    align-items: center !important;
}

.brand-mark--logo {
    align-self: center !important;
    flex: 0 0 auto !important;
}

.brand-mark--logo img {
    inline-size: auto !important;
    block-size: clamp(72px, 7vw, 90px) !important;
    max-inline-size: none !important;
    object-fit: contain;
}

@media (max-width: 860px) {
    .brand-mark--logo img {
        block-size: clamp(60px, 12vw, 76px) !important;
    }
}