/* ═══════════════════════════════════════════════════════════════
   HoboImg — Stylesheet
   Theme-aware CSS using Hobo CSS variable conventions.
   ═══════════════════════════════════════════════════════════════ */

:root {
    --bg-primary:   #1a1a22;
    --bg-secondary: #222230;
    --bg-tertiary:  #2a2a38;
    --bg-card:      #22222c;
    --bg-hover:     #2f2f3d;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b8;
    --text-muted:   #707080;
    --accent:       #c0965c;
    --accent-light: #dbb077;
    --accent-dark:  #a07840;
    --border:       #333340;
    --shadow-sm:    0 2px 8px rgba(0,0,0,.3);
    --shadow-md:    0 4px 16px rgba(0,0,0,.4);
    --shadow-lg:    0 8px 32px rgba(0,0,0,.5);
    --radius-sm:    6px;
    --radius-md:    10px;
    --radius-lg:    16px;
    --success:      #2ecc71;
    --danger:       #e74c3c;
    --info:         #3498db;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

#app {
    flex: 1;
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px 40px;
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
    text-align: center;
    padding: 48px 0 24px;
}
.hero-icon {
    font-size: 48px;
    color: var(--accent);
    margin-bottom: 12px;
}
.hero h1 {
    font-size: 36px;
    font-weight: 800;
    letter-spacing: -.5px;
    margin-bottom: 6px;
}
.hero-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    font-weight: 400;
}

/* ── Tool Tabs ──────────────────────────────────────────────── */
.tool-tabs {
    display: flex;
    gap: 6px;
    justify-content: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.tool-tab {
    padding: 10px 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all .15s;
    display: flex;
    align-items: center;
    gap: 6px;
}
.tool-tab:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--accent-dark);
}
.tool-tab.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* ── Upload Zone ────────────────────────────────────────────── */
.upload-zone {
    margin-bottom: 24px;
}
.upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    transition: all .2s;
    background: var(--bg-secondary);
}
.upload-area:hover, .upload-area.dragover {
    border-color: var(--accent);
    background: rgba(192, 150, 92, 0.05);
}
.upload-area.dragover {
    transform: scale(1.01);
}
.upload-icon {
    font-size: 48px;
    color: var(--accent);
    margin-bottom: 16px;
}
.upload-text {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}
.upload-hint {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.upload-info {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}
.file-preview img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
}
.file-details {
    flex: 1;
}
.file-details .fname {
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 4px;
    word-break: break-all;
}
.file-details .fmeta {
    font-size: 13px;
    color: var(--text-muted);
}

/* ── Options Panel ──────────────────────────────────────────── */
.options-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}
.option-group { margin-bottom: 20px; }
.option-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: .5px;
}
.option-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
}

/* Format grid */
.format-grid, .aspect-grid {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.format-btn, .aspect-btn {
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all .12s;
}
.format-btn:hover, .aspect-btn:hover {
    border-color: var(--accent-dark);
    color: var(--text-primary);
}
.format-btn.active, .aspect-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* Slider */
.slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-tertiary);
    outline: none;
}
.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: 2px solid var(--bg-primary);
    box-shadow: var(--shadow-sm);
}
.slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: 2px solid var(--bg-primary);
}

/* Number inputs */
.num-input, .select-input {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    width: 120px;
    outline: none;
    transition: border-color .15s;
}
.num-input:focus, .select-input:focus {
    border-color: var(--accent);
}
.num-input-sm { width: 80px; }
.select-input { width: 100%; cursor: pointer; }

.dimension-inputs {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    margin-bottom: 16px;
}
.dim-x {
    color: var(--text-muted);
    font-size: 14px;
    padding-bottom: 8px;
}

.crop-coords {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 12px;
    margin-top: 12px;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all .15s;
    text-decoration: none;
}
.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover:not(:disabled) { background: var(--accent-dark); }
.btn-primary:disabled { opacity: .4; cursor: not-allowed; }
.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--bg-hover); }
.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    padding: 6px 12px;
}
.btn-ghost:hover { color: var(--danger); }
.btn-lg { padding: 14px 32px; font-size: 16px; }

/* ── Processing Spinner ─────────────────────────────────────── */
.processing {
    text-align: center;
    padding: 48px 0;
}
.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border);
    border-top: 4px solid var(--accent);
    border-radius: 50%;
    margin: 0 auto 16px;
    animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Result Panel ───────────────────────────────────────────── */
.result-panel {
    text-align: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-bottom: 24px;
}
.result-panel h2 {
    color: var(--success);
    margin-bottom: 20px;
    font-size: 24px;
}
.result-preview {
    margin-bottom: 16px;
}
.result-preview img {
    max-width: 100%;
    max-height: 400px;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
}
.result-info {
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--text-secondary);
}
.result-info .savings {
    color: var(--success);
    font-weight: 600;
}
.result-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ── Subdomains Grid ────────────────────────────────────────── */
.subdomains {
    margin-top: 48px;
}
.subdomains h2 {
    text-align: center;
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
}
.subdomain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
}
.subdomain-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-primary);
    transition: all .15s;
}
.subdomain-card:hover {
    border-color: var(--accent-dark);
    background: var(--bg-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}
.subdomain-card .sd-icon {
    font-size: 20px;
    color: var(--accent);
    width: 28px;
    text-align: center;
}
.subdomain-card .sd-info {
    line-height: 1.3;
}
.subdomain-card .sd-name {
    font-weight: 600;
    font-size: 14px;
}
.subdomain-card .sd-desc {
    font-size: 11px;
    color: var(--text-muted);
}

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer {
    padding: 20px;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
    font-size: 13px;
    color: var(--text-muted);
}
.footer-inner {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.footer-inner a {
    color: var(--accent-light);
    text-decoration: none;
}
.footer-inner a:hover { text-decoration: underline; }
.footer-links { display: flex; gap: 16px; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 640px) {
    .hero h1 { font-size: 28px; }
    .hero-icon { font-size: 36px; }
    .upload-area { padding: 32px 16px; }
    .crop-coords { grid-template-columns: 1fr 1fr; }
    .dimension-inputs { flex-wrap: wrap; }
    .dim-x { display: none; }
    .subdomain-grid { grid-template-columns: 1fr 1fr; }
    .footer-inner { flex-direction: column; text-align: center; }
}