/* ═══════════════════════════════════════════════
   ICONFORGE – Landing Page UI
   Font: Inter  |  Palette: Orange / Neutral
═══════════════════════════════════════════════ */

/* ── Variables ─────────────────────────────────── */
:root {
    --c-bg: #ffffff;
    --c-surface: #f8f9fb;
    --c-panel: #ffffff;
    --c-border: #e5e7eb;
    --c-border2: #d1d5db;
    --c-text: #1a1a2e;
    --c-muted: #6b7280;
    --c-accent: #E8600A;
    --c-accent2: #F5740A;
    --c-accent-g: rgba(232, 96, 10, 0.08);
    --c-danger: #ef4444;
    --c-success: #22c55e;

    --topbar-h: 60px;
    --max-w: 960px;
    --radius-sm: 4px;
    --radius-md: 4px;
    --radius-lg: 4px;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);

    --font: 'Inter', system-ui, -apple-system, sans-serif;
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --c-bg: #0f1117;
    --c-surface: #181b24;
    --c-panel: #1a1d28;
    --c-border: rgba(255, 255, 255, 0.08);
    --c-border2: rgba(255, 255, 255, 0.14);
    --c-text: #e8ecf4;
    --c-muted: #8892a4;
    --c-accent: #F5740A;
    --c-accent2: #ff8a2e;
    --c-accent-g: rgba(245, 116, 10, 0.12);
    --c-danger: #dc2626;
}

/* ── Reset ─────────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    font-size: 14px;
    background: var(--c-bg);
    color: var(--c-text);
    line-height: 1.6;
    transition: background var(--transition), color var(--transition);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

button {
    cursor: pointer;
    font-family: var(--font);
    border: none;
    background: none;
}

input {
    font-family: var(--font);
}

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

/* ── Accessibility ─────────────────────────────── */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    background: var(--c-accent);
    color: #fff;
    padding: .5rem 1rem;
    border-radius: 0 0 8px 8px;
    font-weight: 600;
    text-decoration: none;
    z-index: 99999;
    transition: top .2s;
}

.skip-link:focus {
    top: 0;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
}

.hidden {
    display: none !important;
}

/* ── Drop overlay ──────────────────────────────── */
.drop-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(14px);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn .2s ease;
}

.drop-overlay__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 3.5rem 4rem;
    border: 2px dashed var(--c-accent);
    border-radius: 20px;
    background: rgba(232, 96, 10, 0.07);
    box-shadow: 0 0 80px rgba(232, 96, 10, 0.15);
}

.drop-overlay__icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--c-accent-g);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-accent);
    animation: bounce 1.4s infinite ease-in-out;
}

.drop-overlay__label {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--c-text);
}

.drop-overlay__sub {
    font-size: .85rem;
    color: var(--c-muted);
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0)
    }

    50% {
        transform: translateY(-10px)
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(6px)
    }

    to {
        opacity: 1;
        transform: translateY(0)
    }
}

/* ══════════════════ TOPBAR ══════════════════════ */
.topbar {
    position: sticky;
    top: 0;
    z-index: 300;
    background: var(--c-panel);
    border-bottom: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    height: var(--topbar-h);
}

/* Brand */
.topbar__brand {
    display: flex;
    align-items: center;
    gap: .6rem;
}

.topbar__logo {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-accent);
    flex-shrink: 0;
}

@keyframes logoFloat {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    25% {
        transform: translateY(-2px) rotate(4deg);
    }

    75% {
        transform: translateY(2px) rotate(-4deg);
    }
}

.topbar__logo svg {
    animation: logoFloat 4s ease-in-out infinite;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.topbar__logo:hover svg {
    animation: none;
    transform: rotate(90deg) scale(1.15);
}

.topbar__name {
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: .5px;
    color: var(--c-text);
}

/* Navigation */
.topbar__nav {
    display: flex;
    align-items: center;
    gap: 2rem;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.topbar__link {
    font-size: .9rem;
    font-weight: 500;
    color: var(--c-muted);
    transition: color var(--transition);
    position: relative;
}

.topbar__link:hover,
.topbar__link--active {
    color: var(--c-text);
}

.topbar__link--active::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--c-accent);
    border-radius: 1px;
}

/* Right actions */
.topbar__right {
    display: flex;
    align-items: center;
    gap: .75rem;
}

.topbar__icon-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--c-border);
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-muted);
    transition: all var(--transition);
}

.topbar__icon-btn:hover {
    border-color: var(--c-accent);
    color: var(--c-accent);
    background: var(--c-accent-g);
}

.topbar__signin {
    font-size: .88rem;
    font-weight: 600;
    color: var(--c-text);
    padding: .45rem 1.2rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--c-border);
    background: transparent;
    transition: all var(--transition);
}

.topbar__signin:hover {
    border-color: var(--c-accent);
    color: var(--c-accent);
    background: var(--c-accent-g);
}

/* Theme toggle icons */
.theme-icon {
    display: none;
}

[data-theme="dark"] .theme-icon.sun {
    display: block;
}

[data-theme="light"] .theme-icon.moon {
    display: block;
}

/* ══════════════════ PAGE ═══════════════════════ */
.page {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 1.5rem 2rem;
}

/* ══════════════════ HERO ═══════════════════════ */
.hero {
    text-align: center;
    padding: 1.5rem 0 1rem;
}

.hero__title {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--c-text) 0%, var(--c-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -.5px;
    margin-bottom: .5rem;
}

.hero__subtitle {
    font-size: 1.05rem;
    color: var(--c-muted);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ══════════════════ UPLOAD ZONE ════════════════ */
.upload-section {
    margin-bottom: 1.5rem;
}

.upload-zone {
    border: 2px dashed var(--c-border2);
    border-radius: var(--radius-lg);
    background: var(--c-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition);
    padding: 2rem 1.5rem;
    min-height: 180px;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--c-accent);
    background: var(--c-accent-g);
}

.upload-zone.has-image {
    border-style: solid;
    border-color: var(--c-accent);
    cursor: default;
    min-height: auto;
    padding: 1rem 1.25rem;
}

.upload-zone:focus-visible {
    outline: 2px solid var(--c-accent);
    outline-offset: 3px;
}

.upload-zone__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    pointer-events: none;
    user-select: none;
}

.upload-zone__icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--c-accent-g);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition);
}

.upload-zone:hover .upload-zone__icon {
    transform: translateY(-4px);
}

.upload-zone__text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .3rem;
    text-align: center;
}

.upload-zone__text strong {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--c-text);
}

.upload-zone__text span {
    font-size: .88rem;
    color: var(--c-muted);
}

.browse-btn {
    padding: .6rem 1.8rem;
    border-radius: var(--radius-sm);
    background: var(--c-accent);
    color: #fff;
    font-size: .9rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    pointer-events: auto;
    box-shadow: 0 2px 8px rgba(232, 96, 10, 0.3);
}

.browse-btn:hover {
    background: var(--c-accent2);
    box-shadow: 0 4px 16px rgba(232, 96, 10, 0.4);
    transform: translateY(-1px);
}

/* Upload success state */
.upload-success {
    display: flex;
    align-items: center;
    gap: .875rem;
    width: 100%;
    animation: fadeIn .3s ease;
}

.upload-success-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
    border: 1px solid var(--c-border);
}

.upload-success-info {
    flex: 1;
    text-align: left;
}

.upload-success-info .filename {
    font-weight: 600;
    font-size: .9rem;
    color: var(--c-text);
}

.upload-success-info .filesize {
    font-size: .78rem;
    color: var(--c-muted);
    margin-top: .1rem;
}

/* ══════════════════ SETTINGS PANEL ════════════════ */
.settings-panel {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

summary.settings-panel__header {
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--c-text);
    cursor: pointer;
    user-select: none;
    list-style: none;
    /* Hide default triangle */
    border-bottom: 1px solid transparent;
    transition: all var(--transition);
    background: var(--c-bg);
    /* slightly darker / contrasted */
}

summary.settings-panel__header::-webkit-details-marker {
    display: none;
}

summary.settings-panel__header::after {
    content: "";
    display: block;
    width: 20px;
    height: 20px;
    margin-left: auto;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

details.settings-panel[open] summary.settings-panel__header::after {
    transform: rotate(-180deg);
}

details.settings-panel[open] summary.settings-panel__header {
    border-bottom-color: var(--c-border);
}

.settings-panel__content {
    padding: 1.5rem;
    animation: fadeInSlide .3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ══════════════════ OPTIONS ROW ════════════════ */
.options-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.option-block {
    background: var(--c-bg);
    /* subtle background */
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
}

details.option-block summary.option-block__header {
    cursor: pointer;
    user-select: none;
    list-style: none;
    transition: opacity var(--transition);
}

details.option-block summary.option-block__header::-webkit-details-marker {
    display: none;
}

details.option-block summary.option-block__header::after {
    content: "";
    display: block;
    width: 16px;
    height: 16px;
    margin-left: auto;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

details.option-block[open] summary.option-block__header::after {
    transform: rotate(-180deg);
}

details.option-block summary.option-block__header:hover {
    opacity: 0.8;
}

.option-block__content {
    animation: fadeInSlide .3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeInSlide {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.option-block__header {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--c-text);
    margin-bottom: 1rem;
}

.option-block__header svg {
    flex-shrink: 0;
}

/* ── Platform Cards ────────────────────────────── */
.platform-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .6rem;
}

.platform-card {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .85rem 1rem;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    background: var(--c-panel);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}

.platform-card:hover {
    border-color: var(--c-accent);
    box-shadow: var(--shadow-sm);
}

.platform-card:active:not(.active) {
    transform: scale(0.97);
}

.platform-card.active {
    border-color: var(--c-accent);
    background: var(--c-accent-g);
    box-shadow: 0 0 0 1px var(--c-accent), 0 8px 24px var(--c-accent-g);
}

.platform-card__icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.platform-card__icon--web {
    background: #fff3e6;
    color: var(--c-accent);
}

.platform-card__icon--ios {
    background: #f0f0f5;
    color: #6b7280;
}

.platform-card__icon--android {
    background: #e8f5e9;
    color: #4caf50;
}

.platform-card__icon--favicon {
    background: #f3e8ff;
    color: #7c3aed;
}

[data-theme="dark"] .platform-card__icon--web {
    background: rgba(232, 96, 10, 0.15);
}

[data-theme="dark"] .platform-card__icon--ios {
    background: rgba(107, 114, 128, 0.15);
}

[data-theme="dark"] .platform-card__icon--android {
    background: rgba(76, 175, 80, 0.15);
}

[data-theme="dark"] .platform-card__icon--favicon {
    background: rgba(124, 58, 237, 0.15);
}

.platform-card__info {
    display: flex;
    flex-direction: column;
    gap: .1rem;
    flex: 1;
}

.platform-card__title {
    font-size: .88rem;
    font-weight: 600;
    color: var(--c-text);
}

.platform-card__sub {
    font-size: .72rem;
    color: var(--c-muted);
}

.platform-card__check {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--c-accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8);
    transition: all var(--transition);
}

.platform-card__check svg polyline {
    stroke-dasharray: 24;
    stroke-dashoffset: 24;
    transition: stroke-dashoffset 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.1s;
}

.platform-card.active .platform-card__check {
    opacity: 1;
    transform: scale(1);
}

.platform-card.active .platform-card__check svg polyline {
    stroke-dashoffset: 0;
}

/* ── Size chips ────────────────────────────────── */
.size-chips {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-bottom: .75rem;
}

.size-chip {
    min-width: 56px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--c-border);
    background: var(--c-panel);
    font-size: .82rem;
    font-weight: 600;
    color: var(--c-muted);
    transition: all var(--transition);
    padding: 0 .75rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.size-chip:hover:not(.active) {
    border-color: var(--c-accent);
    color: var(--c-text);
}

.size-chip.active {
    background: var(--c-accent);
    border-color: var(--c-accent);
    color: #fff;
    box-shadow: 0 2px 8px rgba(232, 96, 10, 0.3);
}

.size-chip.hidden-preset {
    display: none;
}

.size-chip.custom {
    padding-right: 1.5rem;
    position: relative;
}

.size-chip.custom .remove-custom {
    position: absolute;
    top: 3px;
    right: 3px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.1);
    border: none;
    color: var(--c-muted);
    font-size: 9px;
    line-height: 14px;
    text-align: center;
    cursor: pointer;
    transition: all .15s;
    padding: 0;
}

.size-chip.custom .remove-custom:hover {
    background: var(--c-danger);
    color: #fff;
}

.custom-size-row {
    display: flex;
    gap: .5rem;
    align-items: center;
    margin-bottom: 1rem;
}

/* ZIP estimate */
.zip-estimate {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .75rem 1rem;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    font-size: .85rem;
    color: var(--c-muted);
}

.zip-estimate__val {
    font-weight: 700;
    color: var(--c-text);
    font-variant-numeric: tabular-nums;
    font-family: 'Courier New', monospace;
}

.zip-estimate__val small {
    font-weight: 600;
    color: var(--c-muted);
    text-transform: uppercase;
    letter-spacing: .5px;
}

/* ── Advanced Options ──────────────────────────── */
.advanced-options {
    margin-bottom: 1rem;
}

.advanced-options__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.option-block--compact .option-block__header {
    margin-bottom: .6rem;
    color: var(--c-muted);
}

/* ── Segmented control (Format) ────────────────── */
.seg-ctrl {
    display: flex;
    background: var(--c-surface);
    border-radius: var(--radius-sm);
    padding: 3px;
    gap: 2px;
    margin-bottom: .6rem;
    border: 1px solid var(--c-border);
}

.seg-btn {
    flex: 1;
    padding: .4rem .5rem;
    border-radius: calc(var(--radius-sm) - 2px);
    font-size: .8rem;
    font-weight: 600;
    color: var(--c-muted);
    transition: all var(--transition);
}

.seg-btn:hover:not(.active) {
    color: var(--c-text);
}

.seg-btn.active {
    background: var(--c-accent);
    color: #fff;
    box-shadow: 0 1px 5px rgba(232, 96, 10, 0.3);
}

/* Padding row */
.padding-row {
    margin-top: .25rem;
}

.padding-row__label {
    display: flex;
    justify-content: space-between;
    font-size: .78rem;
    color: var(--c-muted);
    margin-bottom: .35rem;
}

.padding-row__val {
    color: var(--c-accent);
    font-weight: 700;
}

/* Quality row */
.quality-row {
    margin-top: .1rem;
}

.quality-row__label {
    display: flex;
    justify-content: space-between;
    font-size: .78rem;
    color: var(--c-muted);
    margin-bottom: .35rem;
}

.quality-row__val {
    color: var(--c-accent);
    font-weight: 700;
}

/* ── Shape picker ──────────────────────────────── */
.shape-picker {
    display: flex;
    gap: .5rem;
}

.shape-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .3rem;
    padding: .65rem .4rem;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    background: var(--c-panel);
    color: var(--c-muted);
    font-size: .72rem;
    font-weight: 600;
    transition: all var(--transition);
}

.shape-btn:hover {
    border-color: var(--c-accent);
    color: var(--c-text);
}

.shape-btn.active {
    border-color: var(--c-accent);
    background: var(--c-accent-g);
    color: var(--c-accent);
    box-shadow: 0 0 0 1px var(--c-accent);
}

/* ── Buttons ───────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    padding: .5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: .82rem;
    font-weight: 600;
    transition: all var(--transition);
}

.btn:active:not(:disabled) {
    transform: scale(0.96);
}

.btn--block {
    width: 100%;
}

.btn--sm {
    padding: .35rem .7rem;
    font-size: .75rem;
}

.btn--ghost {
    background: transparent;
    border: 1px solid var(--c-border);
    color: var(--c-muted);
}

.btn--ghost:hover {
    border-color: var(--c-accent);
    background: var(--c-accent-g);
    color: var(--c-text);
}

.btn--primary {
    background: var(--c-accent);
    color: #fff;
    box-shadow: 0 2px 10px rgba(232, 96, 10, 0.3);
    border: 1px solid transparent;
}

.btn--primary:hover:not(:disabled) {
    background: var(--c-accent2);
    box-shadow: 0 4px 16px rgba(232, 96, 10, 0.4);
}

.btn--primary:disabled {
    background: var(--c-surface);
    color: var(--c-muted);
    box-shadow: none;
    border-color: var(--c-border);
    cursor: not-allowed;
}

.btn--danger {
    background: transparent;
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--c-danger);
}

.btn--danger:hover {
    background: rgba(239, 68, 68, 0.08);
    border-color: var(--c-danger);
}

.btn:focus-visible {
    outline: 2px solid var(--c-accent);
    outline-offset: 2px;
}

/* ── Form inputs ──────────────────────────────── */
.text-input {
    flex: 1;
    background: var(--c-panel);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    padding: .45rem .75rem;
    font-size: .82rem;
    color: var(--c-text);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
    min-width: 0;
}

.text-input:focus {
    border-color: var(--c-accent);
    box-shadow: 0 0 0 3px rgba(232, 96, 10, 0.1);
}

.text-input::placeholder {
    color: var(--c-muted);
    opacity: .7;
}

.text-input[type=number] {
    -moz-appearance: textfield;
}

.text-input::-webkit-outer-spin-button,
.text-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
}

/* Range slider */
.range-slider,
.mini-slider {
    -webkit-appearance: none;
    appearance: none;
    background: var(--c-border);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.range-slider {
    width: 100%;
    height: 4px;
}

.mini-slider {
    width: 90px;
    height: 3px;
}

.range-slider::-webkit-slider-thumb,
.mini-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--c-accent);
    box-shadow: 0 0 0 3px rgba(232, 96, 10, 0.15);
    cursor: pointer;
    transition: transform .15s;
}

.range-slider::-webkit-slider-thumb:hover,
.mini-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.range-slider::-moz-range-thumb,
.mini-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--c-accent);
    border: none;
}

/* ══════════════════ SECTION DIVIDER ════════════ */
.section-divider {
    border: none;
    border-top: 1px solid var(--c-border);
    margin: 1rem 0 2rem;
}

/* ══════════════════ DOWNLOAD ═══════════════════ */
.download-section {
    text-align: center;
    padding-bottom: 2rem;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .6rem;
    width: 100%;
    max-width: 480px;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    background: var(--c-accent);
    color: #fff;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: 0 6px 24px var(--c-accent-g);
    margin-bottom: 1rem;
}

.download-btn:hover:not(:disabled) {
    background: var(--c-accent2);
    box-shadow: 0 10px 40px var(--c-accent-g);
    transform: translateY(-2px);
}

.download-btn:disabled {
    background: var(--c-surface);
    color: var(--c-muted);
    box-shadow: none;
    border: 1px solid var(--c-border);
    cursor: not-allowed;
    transform: none;
}

.download-btn:active:not(:disabled) {
    transform: translateY(0) scale(0.98);
}

.download-notice {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    font-size: .82rem;
    color: var(--c-muted);
}

/* ══════════════════ EDITOR ═════════════════════ */
.editor {
    background: var(--c-panel);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    animation: fadeIn .3s ease;
    display: flex;
    flex-direction: column;
    margin-bottom: 1.5rem;
}

.editor__bar {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .5rem .875rem;
    border-bottom: 1px solid var(--c-border);
    background: rgba(248, 249, 251, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-wrap: wrap;
}

[data-theme="dark"] .editor__bar {
    background: rgba(24, 27, 36, 0.65);
}

.editor__bar-left {
    display: flex;
    align-items: center;
    gap: .5rem;
    flex: 1;
    min-width: 0;
}

.editor__bar-right {
    display: flex;
    align-items: center;
    gap: .5rem;
    flex-wrap: wrap;
    flex: 1;
    justify-content: flex-end;
    min-width: 0;
}

.editor__bar--primary {
    padding: .75rem 1rem;
}

.editor__bar--secondary {
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 0;
    border-bottom: 1px solid var(--c-border);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

[data-theme="dark"] .editor__bar--secondary {
    background: rgba(26, 29, 40, 0.65);
}

.editor__bar--secondary::-webkit-scrollbar {
    display: none;
}

.editor__tools-scroll {
    display: flex;
    align-items: flex-end;
    /* Align to bottom so labels line up nicely */
    gap: 1.5rem;
    padding: .6rem 1rem;
    min-width: max-content;
}

.tool-group {
    display: flex;
    flex-direction: column;
    gap: .3rem;
}

.tool-group-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    color: var(--c-muted);
}

.tool-divider-vertical {
    width: 1px;
    height: 36px;
    background: var(--c-border);
    opacity: 0.7;
    margin: 0 -0.5rem;
}

/* Button strip (aspect ratio) */
.btn-strip {
    display: flex;
    background: var(--c-panel);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    padding: 2px;
    gap: 1px;
}

.strip-btn {
    padding: .28rem .65rem;
    border-radius: calc(var(--radius-sm) - 2px);
    font-size: .76rem;
    font-weight: 600;
    color: var(--c-muted);
    transition: all var(--transition);
}

.strip-btn:hover:not(.active) {
    color: var(--c-text);
    background: var(--c-accent-g);
}

.strip-btn.active {
    background: var(--c-accent);
    color: #fff;
}

/* Tool cluster */
.tool-cluster {
    display: flex;
    align-items: center;
    gap: .25rem;
}

.tool-icon {
    width: 30px;
    height: 30px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-muted);
    transition: all var(--transition);
    padding: 0;
}

.tool-icon:hover {
    border-color: var(--c-accent);
    color: var(--c-accent);
    background: var(--c-accent-g);
}

.tool-icon.active-tool {
    border-color: var(--c-accent);
    background: var(--c-accent-g);
    color: var(--c-accent);
}

.tool-icon:active {
    transform: scale(.93);
}

.tool-divider {
    width: 1px;
    height: 20px;
    background: var(--c-border);
    margin: 0 .1rem;
}

/* Slider group */
.slider-group {
    display: flex;
    flex-direction: column;
    gap: .25rem;
    padding: .25rem .5rem;
    background: var(--c-panel);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
}

.slider-item {
    display: flex;
    align-items: center;
    gap: .4rem;
}

.slider-item svg {
    color: var(--c-muted);
    flex-shrink: 0;
}

.slider-val {
    font-size: .65rem;
    font-weight: 700;
    color: var(--c-accent);
    min-width: 22px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* Canvas wrapper */
.editor__canvas-wrap {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--c-surface);
    padding: 1rem;
    min-height: 200px;
    overflow: hidden;
}

.editor__canvas-wrap canvas {
    max-width: 100%;
    display: block;
    border-radius: 6px;
    cursor: crosshair;
}

.canvas-dims {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    color: var(--c-accent);
    font-size: .7rem;
    font-weight: 700;
    padding: .28rem .6rem;
    border-radius: 6px;
    border: 1px solid rgba(232, 96, 10, 0.25);
    pointer-events: none;
    font-variant-numeric: tabular-nums;
    z-index: 5;
}

/* ── Preview strip ─────────────────────────────── */
.preview-strip {
    background: var(--c-panel);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    animation: fadeIn .3s ease;
    margin-bottom: 1.5rem;
}

.preview-strip__header {
    display: flex;
    align-items: baseline;
    gap: .75rem;
    margin-bottom: 1rem;
}

.preview-strip__title {
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .7px;
    color: var(--c-muted);
}

.preview-strip__hint {
    font-size: .72rem;
    color: var(--c-muted);
    opacity: .6;
}

.preview-strip__grid {
    display: flex;
    flex-wrap: wrap;
    gap: .875rem;
    align-items: flex-end;
}

/* Preview card */
.preview-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .4rem;
    padding: .75rem;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition), box-shadow var(--transition);
    min-width: 72px;
    position: relative;
    opacity: 0; /* Starts hidden for animation */
    transform: scale(0.95);
}

@keyframes scaleUpFade {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.preview-card:hover {
    border-color: rgba(232, 96, 10, 0.4);
    box-shadow: 0 2px 16px rgba(232, 96, 10, 0.08);
}

.preview-card:hover .preview-download-btn {
    opacity: 1;
}

.preview-card canvas {
    border-radius: 5px;
    display: block;
    background: repeating-conic-gradient(rgba(0, 0, 0, 0.04) 0% 25%, transparent 0% 50%) 50%/10px 10px;
}

[data-theme="dark"] .preview-card canvas {
    background: repeating-conic-gradient(rgba(255, 255, 255, 0.04) 0% 25%, transparent 0% 50%) 50%/10px 10px;
}

.preview-label {
    font-size: .65rem;
    font-weight: 700;
    color: var(--c-muted);
    letter-spacing: .2px;
}

.preview-download-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 22px;
    height: 22px;
    border-radius: 5px;
    background: rgba(232, 96, 10, 0.15);
    border: 1px solid rgba(232, 96, 10, 0.3);
    color: var(--c-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition), background var(--transition);
    padding: 0;
}

.preview-download-btn:hover {
    background: var(--c-accent);
    color: #fff;
}

.preview-download-btn svg {
    width: 12px;
    height: 12px;
}

/* ══════════════════ PRESET ACTIONS ═════════════ */
.preset-actions {
    display: flex;
    align-items: center;
    gap: .5rem;
    margin-top: .35rem;
}

.preset-select {
    height: 30px;
    padding: 0 .5rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--c-border);
    background: var(--c-surface);
    color: var(--c-text);
    font-size: .75rem;
    font-family: var(--font);
    cursor: pointer;
    transition: border-color var(--transition);
    max-width: 160px;
}

.preset-select:hover {
    border-color: var(--c-accent);
}

.preset-select:focus {
    outline: 2px solid var(--c-accent);
    outline-offset: 1px;
}

.btn--danger {
    color: #ef4444 !important;
    border-color: rgba(239, 68, 68, 0.3) !important;
}

.btn--danger:hover {
    background: rgba(239, 68, 68, 0.1) !important;
    border-color: #ef4444 !important;
}

/* ══════════════════ COPY BUTTON ON PREVIEW ═════ */
.preview-copy-btn {
    position: absolute;
    top: 5px;
    left: 5px;
    width: 22px;
    height: 22px;
    border-radius: 5px;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: #6366f1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition), background var(--transition);
    padding: 0;
}

.preview-card:hover .preview-copy-btn {
    opacity: 1;
}

.preview-copy-btn:hover {
    background: #6366f1;
    color: #fff;
}

.preview-copy-btn svg {
    width: 12px;
    height: 12px;
}

.preview-copy-btn.copied {
    background: #22c55e;
    border-color: #22c55e;
    color: #fff;
    opacity: 1;
}

/* ══════════════════ SPLIT-VIEW COMPARISON ══════ */
.split-view-overlay {
    position: absolute;
    z-index: 10;
    cursor: col-resize;
    user-select: none;
    overflow: hidden;
    border-radius: 6px;
    background: var(--c-surface);
}

.split-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: fill;
    pointer-events: none;
    border-radius: 6px;
}

.split-canvas--original {
    z-index: 1;
}

.split-canvas--edited {
    z-index: 2;
}

.split-view-divider {
    position: absolute;
    top: 0;
    width: 3px;
    height: 100%;
    background: var(--c-accent);
    box-shadow: 0 0 8px rgba(232, 96, 10, 0.5);
    cursor: col-resize;
    z-index: 5;
    transition: box-shadow 0.2s;
}

.split-view-divider:hover {
    box-shadow: 0 0 16px rgba(232, 96, 10, 0.8);
}

/* Centered pill grip handle */
.split-view-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--c-accent);
    border: 2px solid #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Grip lines inside the handle */
.split-view-divider::after {
    content: '‹›';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: -2px;
    z-index: 1;
    line-height: 1;
}

.split-view-label {
    position: absolute;
    top: 8px;
    padding: 3px 10px;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    color: #fff;
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .5px;
    text-transform: uppercase;
    pointer-events: none;
    z-index: 6;
}

.split-view-label--left {
    left: 8px;
}

.split-view-label--right {
    right: 8px;
}

/* ══════════════════ COMPATIBILITY SHIMS ════════ */
.size-chip.toggle-btn.active {
    box-shadow: 0 2px 6px rgba(232, 96, 10, 0.25) !important;
}

#shapeToggles .shape-btn.format-btn {
    flex: 1;
    flex-direction: column;
    align-items: center;
    gap: .3rem;
    padding: .65rem .4rem;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    background: var(--c-panel);
    color: var(--c-muted);
    font-size: .72rem;
    font-weight: 600;
}

#shapeToggles .shape-btn.format-btn:hover {
    border-color: var(--c-accent);
    color: var(--c-text);
    background: transparent;
    box-shadow: none;
}

#shapeToggles .shape-btn.format-btn.active {
    border-color: var(--c-accent);
    background: var(--c-accent-g);
    color: var(--c-accent);
    box-shadow: 0 0 0 1px var(--c-accent);
}

/* Shortcuts panel (hidden) */
.shortcuts-panel {
    position: fixed;
    top: 80px;
    right: 2rem;
    width: 250px;
    background: var(--c-panel);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: .75rem;
    animation: fadeIn .15s ease;
    z-index: 500;
}

.shortcuts-panel__title {
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .6px;
    color: var(--c-muted);
    margin-bottom: .5rem;
    padding-bottom: .5rem;
    border-bottom: 1px solid var(--c-border);
}

.shortcuts-panel__list {
    display: flex;
    flex-direction: column;
    gap: .3rem;
}

.shortcut-row {
    display: flex;
    align-items: center;
    gap: .75rem;
    font-size: .78rem;
    color: var(--c-muted);
}

.shortcut-row kbd {
    display: inline-block;
    padding: .15rem .45rem;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 4px;
    font-size: .7rem;
    font-weight: 700;
    color: var(--c-text);
    min-width: 50px;
    text-align: center;
    font-family: var(--font);
}

/* ══════════════════ FOOTER ═════════════════════ */
.site-footer {
    border-top: 1px solid var(--c-border);
    background: var(--c-panel);
}

.site-footer__inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-footer__brand {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .82rem;
    font-weight: 800;
    letter-spacing: .5px;
    color: var(--c-muted);
}

.site-footer__copy {
    font-size: .78rem;
    color: var(--c-muted);
}

.site-footer__links {
    display: flex;
    gap: 1.5rem;
}

.site-footer__links a {
    font-size: .82rem;
    color: var(--c-muted);
    transition: color var(--transition);
}

.site-footer__links a:hover {
    color: var(--c-accent);
}

/* ── Focus ring ────────────────────────────────── */
:focus-visible {
    outline: 2px solid var(--c-accent);
    outline-offset: 2px;
}

/* ══════════════════ RESPONSIVE ══════════════════ */
@media (max-width: 768px) {
    .topbar {
        padding: 0 1rem;
    }

    .topbar__nav {
        display: none;
    }

    .page {
        padding: 0 1rem 2rem;
    }

    .hero {
        padding: 2rem 0 1.5rem;
    }

    .hero__title {
        font-size: 1.75rem;
    }

    .hero__subtitle {
        font-size: .92rem;
    }

    .options-row {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .advanced-options__row {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .upload-zone {
        padding: 2.5rem 1.5rem;
        min-height: 220px;
    }

    .download-btn {
        max-width: 100%;
    }

    .site-footer__inner {
        flex-direction: column;
        gap: .75rem;
        text-align: center;
        padding: 1.25rem 1rem;
    }

    /* Editor responsive */
    .editor__bar {
        padding: .5rem;
        gap: .5rem;
        flex-direction: column;
        align-items: stretch;
    }

    .editor__bar-left {
        width: 100%;
        justify-content: center;
    }

    .editor__bar-right {
        width: 100%;
        flex-wrap: wrap;
        justify-content: center;
        gap: .4rem;
    }

    .tool-icon {
        width: 36px;
        height: 36px;
    }

    .slider-group {
        width: 100%;
        flex-direction: column;
        gap: .4rem;
        padding: .4rem .5rem;
    }

    .slider-item {
        width: 100%;
    }

    .mini-slider {
        width: 100%;
        max-width: none;
    }

    /* Preview responsive */
    .preview-strip__grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: .6rem;
    }

    .preview-card {
        min-width: 0;
        padding: .5rem;
    }

    .preview-download-btn {
        opacity: 1;
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 480px) {
    .topbar__signin {
        padding: .35rem .8rem;
        font-size: .8rem;
    }

    .hero__title {
        font-size: 1.5rem;
    }

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

    .platform-card {
        padding: .7rem .85rem;
    }

    .size-chip {
        min-width: 48px;
        height: 32px;
        font-size: .75rem;
    }

    .upload-zone {
        padding: 2rem 1rem;
        min-height: 180px;
    }

    .upload-zone__icon {
        width: 56px;
        height: 56px;
    }

    .preview-strip__grid {
        gap: .4rem;
    }

    .preview-card {
        padding: .4rem;
    }
}

/* ══════════════════ TOAST NOTIFICATIONS ════════ */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column-reverse;
    gap: .5rem;
    z-index: 10000;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .65rem 1rem;
    border-radius: var(--radius-md);
    background: var(--c-panel);
    border: 1px solid var(--c-border);
    box-shadow: var(--shadow-lg);
    font-size: .85rem;
    font-weight: 500;
    color: var(--c-text);
    min-width: 240px;
    max-width: 380px;
    pointer-events: auto;
    transform: translateX(120%);
    opacity: 0;
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.35s ease;
}

.toast--visible {
    transform: translateX(0);
    opacity: 1;
}

.toast__icon {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.toast__msg {
    flex: 1;
}

.toast--success {
    border-color: rgba(34, 197, 94, 0.3);
}

.toast--success .toast__icon {
    color: #22c55e;
}

.toast--error {
    border-color: rgba(239, 68, 68, 0.3);
}

.toast--error .toast__icon {
    color: #ef4444;
}

.toast--info {
    border-color: rgba(232, 96, 10, 0.3);
}

.toast--info .toast__icon {
    color: var(--c-accent);
}

.toast--warning {
    border-color: rgba(245, 158, 11, 0.3);
}

.toast--warning .toast__icon {
    color: #f59e0b;
}

/* ══════════════════ PADDING CONTROL ════════════ */
.padding-row {
    margin-top: .1rem;
}

.padding-row__label {
    display: flex;
    justify-content: space-between;
    font-size: .78rem;
    color: var(--c-muted);
    margin-bottom: .35rem;
}

.padding-row__val {
    color: var(--c-accent);
    font-weight: 700;
}

/* ══════════════════ ANIMATIONS ═════════════════ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ══════════════════ FILTER & BG COLOR ═════════ */
.tool-label {
    font-size: .6rem;
    font-weight: 700;
    letter-spacing: .5px;
    text-transform: uppercase;
    color: var(--c-muted);
    margin-right: .15rem;
    white-space: nowrap;
}

.filter-btn.active-tool,
.bg-color-btn.active {
    background: var(--c-accent) !important;
    color: #fff !important;
    border-color: var(--c-accent) !important;
}

.hidden-color-input {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
    pointer-events: none;
}

.bg-color-custom {
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--c-border);
    background: var(--c-surface);
    transition: all var(--transition);
    position: relative;
}

.bg-color-custom:hover {
    border-color: var(--c-accent);
    color: var(--c-accent);
}

/* Mobile toast positioning */
@media (max-width: 768px) {
    .toast-container {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
    }

    .toast {
        max-width: 100%;
        min-width: 0;
    }

    .tool-label {
        display: none;
    }
}

/* ══════════════════ CANVAS CONTROLS ═════════ */
.canvas-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
    margin-top: 0;
    padding: 0;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all var(--transition);
}

.editor__canvas-wrap:hover .canvas-controls,
.canvas-controls:focus-within {
    max-height: 50px;
    opacity: 1;
    margin-top: .5rem;
    padding: .25rem 0;
}

.canvas-ctrl-btn {
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    padding: .3rem .6rem;
    font-size: .7rem;
    font-weight: 600;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    background: var(--c-surface);
    color: var(--c-text-secondary);
    cursor: pointer;
    transition: all var(--transition);
    user-select: none;
}

.canvas-ctrl-btn:hover {
    border-color: var(--c-accent);
    color: var(--c-accent);
}

.canvas-ctrl-btn:active {
    background: var(--c-accent);
    color: #fff;
    border-color: var(--c-accent);
}

.zoom-controls {
    display: flex;
    align-items: center;
    gap: .25rem;
}

.zoom-level {
    font-size: .65rem;
    font-weight: 700;
    min-width: 36px;
    text-align: center;
    color: var(--c-muted);
    font-variant-numeric: tabular-nums;
}

.editor__canvas-wrap {
    overflow: auto;
}

/* ══════════════════ UPLOAD HISTORY ═════════ */
.history-panel {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: var(--radius-lg);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
}

.history-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: .75rem;
}

.history-panel__title {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--c-text-secondary);
}

.history-panel__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
    gap: .5rem;
}

.history-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .25rem;
    padding: .4rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--c-border);
    background: var(--c-bg);
    cursor: pointer;
    transition: all var(--transition);
}

.history-card:hover {
    border-color: var(--c-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(232, 96, 10, 0.15);
}

.history-card__thumb {
    width: 56px;
    height: 56px;
    object-fit: contain;
    border-radius: 4px;
    background: var(--c-surface);
}

.history-card__name {
    font-size: .55rem;
    color: var(--c-muted);
    text-align: center;
    max-width: 64px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ══════════════════ ONBOARDING ═════════ */
.onboarding-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
    animation: fadeIn .3s ease;
}

.onboarding-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 2rem 2.5rem;
    max-width: 420px;
    width: 90%;
    text-align: center;
    animation: slideUp .4s ease;
}

.onboarding-icon {
    font-size: 2.5rem;
    margin-bottom: .75rem;
}

.onboarding-step h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--c-text-primary);
    margin-bottom: .5rem;
}

.onboarding-step p {
    font-size: .85rem;
    color: var(--c-text-secondary);
    line-height: 1.5;
}

.onboarding-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 1.5rem;
}

.onboarding-dots {
    display: flex;
    gap: .4rem;
}

.onboarding-dots .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--c-border);
    transition: all var(--transition);
}

.onboarding-dots .dot.active {
    background: var(--c-accent);
    width: 20px;
    border-radius: 4px;
}

.onboarding-actions {
    display: flex;
    gap: .5rem;
}

.btn--xs {
    padding: .2rem .5rem;
    font-size: .65rem;
}

.btn--sm {
    padding: .35rem .8rem;
    font-size: .75rem;
}

.btn--primary {
    background: var(--c-accent);
    color: #fff;
    border: 1px solid var(--c-accent);
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

.btn--primary:hover {
    background: var(--c-accent-hover);
}

.btn--ghost {
    background: transparent;
    color: var(--c-text-secondary);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.btn--ghost:hover {
    border-color: var(--c-accent);
    color: var(--c-accent);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ═══════════════════════════════════════════════
   ACCENT COLOR PICKER
═══════════════════════════════════════════════ */
.accent-picker {
    display: flex;
    gap: 6px;
    align-items: center;
    margin-right: 12px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
}

.accent-swatch {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid transparent;
    background: var(--swatch-color);
    cursor: pointer;
    padding: 0;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    position: relative;
}

.accent-swatch:hover {
    transform: scale(1.25);
    box-shadow: 0 0 8px var(--swatch-color);
}

.accent-swatch.active {
    border-color: var(--c-text);
    transform: scale(1.15);
    box-shadow: 0 0 0 2px var(--c-bg), 0 0 0 4px var(--swatch-color);
}

/* ═══════════════════════════════════════════════
   DOWNLOAD PROGRESS BAR
═══════════════════════════════════════════════ */
.download-btn {
    position: relative;
    overflow: hidden;
}

.download-btn__content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: relative;
    z-index: 1;
}

.download-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(0, 0, 0, 0.15);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.download-btn.is-downloading .download-progress {
    opacity: 1;
}

.download-progress__bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--c-accent), var(--c-accent2));
    border-radius: 2px;
    transition: width 0.2s ease;
    box-shadow: 0 0 8px var(--c-accent);
}

/* Pulsing glow during download */
.download-btn.is-downloading {
    animation: downloadPulse 1.5s ease-in-out infinite;
}

@keyframes downloadPulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(232, 96, 10, 0.3);
    }

    50% {
        box-shadow: 0 0 20px 4px rgba(232, 96, 10, 0.15);
    }
}

/* ═══════════════════════════════════════════════
   UNDO / REDO BUTTONS
═══════════════════════════════════════════════ */
#undoBtn,
#redoBtn {
    transition: transform var(--transition), opacity var(--transition), background var(--transition);
}

#undoBtn:hover,
#redoBtn:hover {
    transform: scale(1.15);
    background: var(--c-accent-g);
}

#undoBtn:active,
#redoBtn:active {
    transform: scale(0.9);
}

#undoBtn:disabled,
#redoBtn:disabled {
    opacity: 0.35;
    pointer-events: none;
}

/* ═══════════════════════════════════════════════
   MICRO-ANIMATIONS & ENHANCED HOVER EFFECTS
═══════════════════════════════════════════════ */

/* Tool icon press effect */
.tool-icon {
    transition: transform var(--transition), background var(--transition), color var(--transition);
}

.tool-icon:active {
    transform: scale(0.88);
}

/* Platform card hover lift */
.platform-card {
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.platform-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.platform-card:active {
    transform: translateY(0px) scale(0.98);
}

/* Size chips bounce on click */
.size-chip {
    transition: transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1), background var(--transition), color var(--transition), border-color var(--transition);
}

.size-chip:active {
    transform: scale(0.9);
}

/* Format/Shape button smooth transitions */
.seg-btn,
.shape-btn {
    transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.seg-btn:active,
.shape-btn:active {
    transform: scale(0.95);
}

/* Preview card hover */
.preview-card {
    transition: transform var(--transition), box-shadow var(--transition);
}

.preview-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* Download button shimmer on hover when enabled */
.download-btn:not(:disabled):hover::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 1.5s ease forwards;
}

@keyframes shimmer {
    to {
        left: 100%;
    }
}

/* Upload zone bounce on drag */
.upload-zone.dragover {
    animation: zonePulse 0.6s ease-in-out;
}

@keyframes zonePulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.02);
    }

    100% {
        transform: scale(1);
    }
}

/* History card entry animation */
.history-card {
    animation: fadeInScale 0.3s ease backwards;
}

.history-card:nth-child(2) {
    animation-delay: 0.05s;
}

.history-card:nth-child(3) {
    animation-delay: 0.1s;
}

.history-card:nth-child(4) {
    animation-delay: 0.15s;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.85);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Slider thumb pulse animation */
.range-slider::-webkit-slider-thumb,
.mini-slider::-webkit-slider-thumb {
    transition: box-shadow var(--transition), transform var(--transition);
}

.range-slider:active::-webkit-slider-thumb,
.mini-slider:active::-webkit-slider-thumb {
    transform: scale(1.3);
    box-shadow: 0 0 0 6px var(--c-accent-g);
}

/* Button ripple effect */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease, opacity 0.4s ease;
    opacity: 0;
}

.btn:active::after {
    width: 200px;
    height: 200px;
    opacity: 1;
    transition: width 0s, height 0s, opacity 0s;
}

/* Toast entry animation (smoother) */
.toast {
    animation: toastSlideIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes toastSlideIn {
    from {
        transform: translateX(100%) scale(0.8);
        opacity: 0;
    }

    to {
        transform: translateX(0) scale(1);
        opacity: 1;
    }
}

/* Canvas dims badge animation */
.canvas-dims {
    transition: background var(--transition), color var(--transition), transform var(--transition);
}

.canvas-dims:hover {
    transform: scale(1.05);
}

/* Editor appearance animation */
.editor {
    animation: editorReveal 0.5s ease;
}

@keyframes editorReveal {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Onboarding smooth transitions */
.onboarding-step {
    transition: opacity 0.4s ease, transform 0.4s ease;
}

/* Topbar link hover underline animation */
.topbar__link {
    position: relative;
}

.topbar__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--c-accent);
    transition: width var(--transition), left var(--transition);
}

.topbar__link:hover::after,
.topbar__link--active::after {
    width: 100%;
    left: 0;
}

/* ═══════════════════════════════════════════════
   COMPRESS TOGGLE SWITCH
═══════════════════════════════════════════════ */
.compress-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    cursor: pointer;
    user-select: none;
}

.compress-toggle input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.compress-toggle__track {
    position: relative;
    display: inline-block;
    width: 34px;
    height: 18px;
    background: var(--c-border2);
    border-radius: 9px;
    transition: background var(--transition);
    flex-shrink: 0;
}

.compress-toggle input:checked~.compress-toggle__track {
    background: var(--c-accent);
}

.compress-toggle__thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    transition: transform var(--transition);
}

.compress-toggle input:checked~.compress-toggle__track .compress-toggle__thumb {
    transform: translateX(16px);
}

.compress-toggle__label {
    font-size: 0.78rem;
    color: var(--c-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    line-height: 1;
}

.compress-toggle__badge {
    font-size: 0.68rem;
    padding: 2px 6px;
    border-radius: 100px;
    background: var(--c-accent-g);
    color: var(--c-accent);
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* ═══════════════════════════════════════════════
   AUTO-CROP BUTTON
═══════════════════════════════════════════════ */
.auto-crop-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    width: 100px;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    color: var(--c-accent);
    border: 1px solid var(--c-accent);
    background: var(--c-accent-g);
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    white-space: nowrap;
}

.auto-crop-btn:hover {
    background: var(--c-accent);
    color: #fff;
    box-shadow: 0 0 12px var(--c-accent);
    transform: scale(1.05);
}

.auto-crop-btn:active {
    transform: scale(0.95);
}

/* Spinning animation while scanning pixels */
.auto-crop-btn.running svg {
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Tool divider */
.tool-divider {
    width: 1px;
    height: 20px;
    background: var(--c-border2);
    margin: 0 4px;
    flex-shrink: 0;
}

/* ═══════════════════════════════════════════════
   AI BACKGROUND REMOVER BUTTON
═══════════════════════════════════════════════ */
.tool-group--stack {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tool-icon--ai {
    width: 100% !important;
    padding: 6px 12px;
    gap: 6px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, rgba(232, 96, 10, 0.08), rgba(232, 96, 10, 0.03));
    border: 1px solid rgba(232, 96, 10, 0.3);
    color: var(--c-accent);
}

.tool-icon--ai:hover {
    background: linear-gradient(135deg, rgba(232, 96, 10, 0.15), rgba(232, 96, 10, 0.08));
    border-color: rgba(232, 96, 10, 0.5);
    color: var(--c-accent2);
}

.tool-icon__label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

/* ═══════════════════════════════════════════════
   CUSTOM MODAL
═══════════════════════════════════════════════ */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: fadeIn 0.2s ease;
}
.modal-overlay.hidden {
    display: none !important;
}
.modal-card {
    background: var(--c-panel);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 400px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: 0.25rem;
}
.modal-desc {
    font-size: 0.9rem;
    color: var(--c-muted);
    margin-bottom: 0.5rem;
}
.modal-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    background: var(--c-bg);
    color: var(--c-text);
    font-size: 1rem;
    outline: none;
    transition: border-color var(--transition);
}
.modal-input:focus {
    border-color: var(--c-accent);
}
.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1rem;
}

/* ═══════════════════════════════════════════════
   RESPONSIVE LAYOUT (TABLET & MOBILE)
═══════════════════════════════════════════════ */
@media (max-width: 850px) {

    /* Stack settings columns */
    .options-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    /* Stack advanced settings */
    .advanced-options__row {
        flex-direction: column;
        gap: 1rem;
    }

    /* Primary toolbar wrap */
    .editor__bar--primary {
        flex-wrap: wrap;
        gap: 0.75rem;
        height: auto;
        padding: 0.75rem;
    }

    .editor__bar-left,
    .editor__bar-right {
        width: 100%;
        justify-content: space-between;
    }

    .editor__bar-right .tool-cluster {
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 6px;
    }

    /* Secondary toolbar scroll to wrap */
    .editor__tools-scroll {
        flex-wrap: wrap;
        overflow-x: visible;
        justify-content: center;
        gap: 1rem;
        padding-bottom: 0.5rem;
    }

    .tool-divider-vertical {
        display: none;
        /* Hide dividers when wrapped */
    }

    /* Download section */
    .download-section {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .download-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    body {
        padding: 0;
    }

    .site-header {
        border-radius: 0;
        margin: 0;
    }

    .main-content {
        margin: 0;
        border-radius: 0;
        padding: 1rem 0.5rem;
    }

    .hero__title {
        font-size: 2rem;
    }

    .preset-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .preset-select,
    #savePresetBtn {
        width: 100%;
        margin-bottom: 0.25rem;
    }
}