/* IconForge v1.0.0 — Industrial Precision Aesthetic
   Dark forge-like environment: molten amber accents on deep carbon steel.
   Font: Syne (display) + IBM Plex Mono (data) */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=IBM+Plex+Mono:wght@400;500&display=swap');

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

:root {
    --bg-deep:      #0d0e10;
    --bg-surface:   #13151a;
    --bg-raised:    #1a1d25;
    --bg-hover:     #22263000;
    --border:       #2a2f3e;
    --border-light: #353b52;

    --amber:        #f59e0b;
    --amber-dim:    #b37400;
    --amber-glow:   rgba(245, 158, 11, 0.15);
    --amber-glow2:  rgba(245, 158, 11, 0.05);

    --green:        #22c55e;
    --red:          #ef4444;
    --blue:         #60a5fa;
    --muted:        #4a5066;

    --text-primary:   #e8eaf0;
    --text-secondary: #8890a8;
    --text-dim:       #555e78;

    --radius-sm: 4px;
    --radius:    8px;
    --radius-lg: 12px;

    --font-display: 'Syne', sans-serif;
    --font-mono:    'IBM Plex Mono', monospace;

    --transition: 180ms ease;
}

html { font-size: 15px; }

body {
    background: var(--bg-deep);
    color: var(--text-primary);
    font-family: var(--font-mono);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Subtle grid texture */
body::before {
    content: '';
    position: fixed; inset: 0;
    background-image:
        linear-gradient(rgba(245,158,11,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(245,158,11,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}

/* ── Layout ──────────────────────────────────────────────────────────────── */
.app-shell {
    position: relative; z-index: 1;
    display: grid;
    grid-template-rows: auto 1fr;
    min-height: 100vh;
}

.app-header {
    display: flex; align-items: center; gap: 16px;
    padding: 18px 32px;
    border-bottom: 1px solid var(--border);
    background: rgba(13,14,16,0.85);
    backdrop-filter: blur(8px);
    position: sticky; top: 0; z-index: 100;
}

.app-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--amber);
    text-shadow: 0 0 32px var(--amber-dim);
}

.app-logo span { color: var(--text-secondary); font-weight: 400; }

.app-tagline {
    font-size: 0.72rem;
    color: var(--text-dim);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-left: auto;
}

.app-version {
    font-size: 0.65rem;
    color: var(--muted);
    background: var(--bg-raised);
    border: 1px solid var(--border);
    padding: 2px 8px;
    border-radius: 20px;
}

.app-main {
    display: grid;
    grid-template-columns: 260px 1fr;
    grid-template-rows: auto;
    gap: 0;
    padding: 0;
}

/* ── Sidebar ─────────────────────────────────────────────────────────────── */
.sidebar {
    background: var(--bg-surface);
    border-right: 1px solid var(--border);
    display: flex; flex-direction: column;
    height: calc(100vh - 61px);
    overflow-y: auto;
    position: sticky; top: 61px;
}

.sidebar-section {
    padding: 20px 18px;
    border-bottom: 1px solid var(--border);
}

.sidebar-section:last-child { border-bottom: none; }

.sidebar-label {
    font-family: var(--font-display);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--amber);
    margin-bottom: 14px;
    display: flex; align-items: center; gap: 8px;
}

.sidebar-label::after {
    content: '';
    flex: 1; height: 1px;
    background: linear-gradient(90deg, var(--amber-dim), transparent);
}

/* Profile List */
.profile-list {
    list-style: none;
    display: flex; flex-direction: column; gap: 2px;
}

.profile-group-header {
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-dim);
    padding: 10px 4px 4px;
}

.profile-item {
    display: flex; align-items: center; gap: 4px;
}

.profile-load {
    flex: 1;
    display: flex; align-items: center; justify-content: space-between;
    background: none;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    padding: 7px 10px;
    cursor: pointer;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-align: left;
    transition: var(--transition);
}

.profile-load:hover {
    background: var(--amber-glow2);
    border-color: var(--border);
    color: var(--text-primary);
}

.profile-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }

.profile-count {
    font-size: 0.65rem;
    color: var(--muted);
    background: var(--bg-raised);
    padding: 1px 6px;
    border-radius: 20px;
    margin-left: 8px;
    flex-shrink: 0;
}

.profile-del {
    background: none; border: none;
    color: var(--muted); cursor: pointer;
    font-size: 0.75rem; padding: 4px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.profile-del:hover { color: var(--red); background: rgba(239,68,68,0.1); }

/* Profile save row */
.profile-save-row {
    display: flex; gap: 6px; margin-top: 12px;
}

.profile-save-row input {
    flex: 1;
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    padding: 6px 10px;
    outline: none;
    transition: var(--transition);
}

.profile-save-row input:focus { border-color: var(--amber); }
.profile-save-row input::placeholder { color: var(--text-dim); }

/* Import/Export buttons */
.profile-io-row {
    display: flex; gap: 6px; margin-top: 8px;
}

/* ── Main Content ─────────────────────────────────────────────────────────── */
.content-area {
    display: flex; flex-direction: column;
    gap: 0;
    padding: 28px 32px;
    max-width: 1100px;
}

/* ── Drop Zone ───────────────────────────────────────────────────────────── */
.drop-zone {
    position: relative;
    border: 2px dashed var(--border-light);
    border-radius: var(--radius-lg);
    background: var(--bg-surface);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
    overflow: hidden;
    margin-bottom: 28px;
    min-height: 180px;
    display: flex;
}

.drop-zone:hover,
.drop-zone--over {
    border-color: var(--amber);
    background: var(--amber-glow2);
}

.drop-zone--over { box-shadow: 0 0 0 3px var(--amber-glow); }

.drop-zone-inner {
    flex: 1;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 12px;
    padding: 32px;
}

.drop-zone-icon {
    font-size: 2.5rem;
    opacity: 0.4;
    filter: drop-shadow(0 0 20px var(--amber));
    transition: opacity var(--transition);
}

.drop-zone:hover .drop-zone-icon,
.drop-zone--over .drop-zone-icon { opacity: 0.9; }

.drop-zone-text {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
}

.drop-zone-sub {
    font-size: 0.72rem;
    color: var(--text-dim);
    letter-spacing: 0.08em;
}

/* Source preview panel (visible after load) */
.source-preview-wrap {
    display: flex; align-items: center; gap: 0;
    width: 100%;
}

#source-preview {
    display: none;
    width: 160px; height: 160px;
    object-fit: contain;
    background: repeating-conic-gradient(#1e2230 0% 25%, #242838 0% 50%) 0 0/16px 16px;
    border-radius: var(--radius) 0 0 var(--radius);
    flex-shrink: 0;
}

.source-info {
    flex: 1;
    padding: 20px 24px;
    display: flex; flex-direction: column; gap: 8px;
}

.source-badge {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: 20px;
    display: inline-block;
    width: fit-content;
}

.source-badge--svg  { background: rgba(96,165,250,0.15); color: var(--blue); border: 1px solid rgba(96,165,250,0.3); }
.source-badge--raster { background: rgba(245,158,11,0.12); color: var(--amber); border: 1px solid rgba(245,158,11,0.3); }

.source-dims {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.source-status {
    font-size: 0.78rem;
    padding: 4px 0;
}

.source-status--loading { color: var(--amber); }
.source-status--ready   { color: var(--green); }
.source-status--error   { color: var(--red); }

/* ── Spec Panel ──────────────────────────────────────────────────────────── */
.spec-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 28px;
}

.spec-panel-header {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-raised);
}

.spec-panel-title {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-primary);
    flex: 1;
}

#spec-count {
    font-size: 0.72rem;
    color: var(--muted);
    background: var(--bg-deep);
    padding: 2px 10px;
    border-radius: 20px;
}

.spec-table-wrap { overflow-x: auto; }

.spec-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}

.spec-table thead {
    background: var(--bg-raised);
}

.spec-table th {
    padding: 10px 14px;
    text-align: left;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border);
}

.spec-table td {
    padding: 9px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.spec-table tr:last-child td { border-bottom: none; }

.spec-table tbody tr:hover { background: rgba(245,158,11,0.025); }

.spec-name {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

.spec-dim { color: var(--text-secondary); font-variant-numeric: tabular-nums; }

.spec-order {
    width: 60px;
    display: flex; gap: 2px;
}

.spec-actions { display: flex; gap: 4px; }

.fmt-badge {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    padding: 2px 7px;
    border-radius: 3px;
}

.fmt-badge--png  { background: rgba(96,165,250,0.12); color: var(--blue); }
.fmt-badge--jpg  { background: rgba(245,158,11,0.12); color: var(--amber); }
.fmt-badge--webp { background: rgba(34,197,94,0.12); color: var(--green); }
.fmt-badge--ico  { background: rgba(167,139,250,0.12); color: #a78bfa; }

.empty-row td {
    text-align: center;
    padding: 32px;
    color: var(--text-dim);
    font-size: 0.82rem;
}

/* ── Process Bar ─────────────────────────────────────────────────────────── */
.process-bar {
    display: flex; align-items: center; gap: 16px;
    padding: 16px 20px;
    background: var(--bg-raised);
    border-top: 1px solid var(--border);
}

#progress-wrap {
    flex: 1;
    display: none;
}

.progress-track {
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 4px;
}

#progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--amber-dim), var(--amber));
    border-radius: 2px;
    transition: width 200ms linear;
    box-shadow: 0 0 10px var(--amber-glow);
}

#progress-label {
    font-size: 0.7rem;
    color: var(--text-dim);
}

/* ── Results Section ─────────────────────────────────────────────────────── */
#results-section {
    display: none;
    margin-bottom: 28px;
}

.results-header {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 16px;
}

.results-title {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    flex: 1;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
}

.result-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex; flex-direction: column;
    transition: border-color var(--transition), transform var(--transition);
}

.result-card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
}

.result-img-wrap {
    aspect-ratio: 1;
    background: repeating-conic-gradient(#1e2230 0% 25%, #242838 0% 50%) 0 0/12px 12px;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
}

.result-img-wrap img {
    max-width: 100%; max-height: 100%;
    object-fit: contain;
    image-rendering: pixelated; /* show actual pixel data */
}

.result-info {
    padding: 8px 10px 4px;
    display: flex; flex-direction: column; gap: 2px;
}

.result-name {
    font-size: 0.7rem;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.result-meta {
    font-size: 0.65rem;
    color: var(--text-dim);
}

.result-card .btn-sm {
    margin: 6px 8px 8px;
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn:disabled { opacity: 0.35; cursor: not-allowed; }

.btn--primary {
    background: var(--amber);
    color: #000;
    border-color: var(--amber);
}

.btn--primary:not(:disabled):hover {
    background: #fbbf24;
    box-shadow: 0 0 20px var(--amber-glow);
}

.btn--secondary {
    background: var(--bg-raised);
    color: var(--text-secondary);
    border-color: var(--border);
}

.btn--secondary:not(:disabled):hover {
    background: var(--border);
    color: var(--text-primary);
}

.btn--ghost {
    background: none;
    color: var(--text-dim);
    border-color: var(--border);
    font-size: 0.72rem;
    padding: 6px 12px;
}

.btn--ghost:not(:disabled):hover { color: var(--text-primary); border-color: var(--border-light); }

.btn--danger {
    background: rgba(239,68,68,0.1);
    color: var(--red);
    border-color: rgba(239,68,68,0.3);
}

.btn--danger:not(:disabled):hover { background: rgba(239,68,68,0.2); }

.btn-sm {
    display: inline-flex; align-items: center; justify-content: center;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 5px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-raised);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-sm:hover { border-color: var(--border-light); color: var(--text-primary); }

.btn-edit:hover { border-color: var(--amber); color: var(--amber); }
.btn-del:hover  { border-color: var(--red); color: var(--red); }
.btn-download:hover { border-color: var(--green); color: var(--green); }

.btn-icon {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    cursor: pointer;
    font-size: 0.6rem;
    width: 22px; height: 22px;
    border-radius: var(--radius-sm);
    display: inline-flex; align-items: center; justify-content: center;
    transition: var(--transition);
}

.btn-icon:not(:disabled):hover { color: var(--amber); border-color: var(--amber); }
.btn-icon:disabled { opacity: 0.2; cursor: not-allowed; }

/* ── Modal ───────────────────────────────────────────────────────────────── */
.modal-backdrop {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.75);
    backdrop-filter: blur(4px);
    z-index: 200;
    display: none; align-items: center; justify-content: center;
}

.modal--open .modal-backdrop,
.modal--open { display: flex; }

.modal--open {
    position: fixed; inset: 0;
    z-index: 200;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0,0,0,0.75);
    backdrop-filter: blur(4px);
}

.modal-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    width: 420px;
    max-width: 95vw;
    box-shadow: 0 32px 80px rgba(0,0,0,0.6);
    animation: modal-in 160ms ease;
}

@keyframes modal-in {
    from { opacity: 0; transform: translateY(-12px) scale(0.97); }
    to   { opacity: 1; transform: none; }
}

.modal-header {
    padding: 18px 22px 14px;
    border-bottom: 1px solid var(--border);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.04em;
}

.modal-body {
    padding: 20px 22px;
    display: flex; flex-direction: column; gap: 14px;
}

.field-row {
    display: flex; flex-direction: column; gap: 5px;
}

.field-label {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-dim);
}

.field-input, .field-select {
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding: 8px 12px;
    outline: none;
    width: 100%;
    transition: var(--transition);
}

.field-input:focus, .field-select:focus { border-color: var(--amber); }

.field-row-inline {
    display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}

.modal-error {
    display: none;
    font-size: 0.75rem;
    color: var(--red);
    background: rgba(239,68,68,0.08);
    border: 1px solid rgba(239,68,68,0.25);
    border-radius: var(--radius-sm);
    padding: 6px 10px;
}

.modal-footer {
    padding: 14px 22px;
    border-top: 1px solid var(--border);
    display: flex; gap: 8px; justify-content: flex-end;
}

/* ── Toast ───────────────────────────────────────────────────────────────── */
.toast {
    position: fixed;
    bottom: 28px; left: 50%; transform: translateX(-50%) translateY(16px);
    padding: 10px 22px;
    border-radius: var(--radius);
    font-size: 0.82rem;
    font-family: var(--font-mono);
    z-index: 999;
    opacity: 0;
    transition: opacity 220ms ease, transform 220ms ease;
    pointer-events: none;
    white-space: nowrap;
    border: 1px solid transparent;
}

.toast--visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast--success { background: rgba(34,197,94,0.12); color: var(--green); border-color: rgba(34,197,94,0.3); }
.toast--error   { background: rgba(239,68,68,0.12); color: var(--red);   border-color: rgba(239,68,68,0.3); }
.toast--info    { background: var(--amber-glow); color: var(--amber);    border-color: rgba(245,158,11,0.3); }

/* ── Scrollbar ───────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 860px) {
    .app-main { grid-template-columns: 1fr; }
    .sidebar { position: static; height: auto; }
    .content-area { padding: 20px 16px; }
    .results-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
}

@media (max-width: 560px) {
    .app-header { padding: 14px 16px; }
    .app-tagline { display: none; }
}