/* ============================================================
   Ojoo SVG Optimizer - Isolated Styles
   All selectors strictly scoped to .svg-optimizer-page
   Follows favicon-generator.css and screenshot-tools.css conventions
   ============================================================ */

.svg-optimizer-page {
    --svo-primary:     #6366f1;
    --svo-accent:      #8b5cf6;
    --svo-success:     #10b981;
    --svo-warning:     #f59e0b;
    --svo-danger:      #ef4444;
    --svo-card-bg:     #ffffff;
    --svo-card-border: rgba(0,0,0,0.08);
    --svo-hover-border:#6366f1;
    --svo-text-primary:#212529;
    --svo-text-muted:  #6c757d;
    --svo-badge-bg:    rgba(99,102,241,0.1);
    --svo-dropzone-bg: #f8fafc;
    --svo-dropzone-border: #cbd5e1;
    --svo-code-bg:     #0f172a;
    --svo-code-color:  #a5f3fc;
    --svo-diff-add:    rgba(16,185,129,0.12);
    --svo-diff-del:    rgba(239,68,68,0.12);
    transition: background-color 0.3s ease, color 0.3s ease;
}

[data-bs-theme="dark"] .svg-optimizer-page,
body.dark-mode .svg-optimizer-page,
body.bg-dark .svg-optimizer-page {
    --svo-card-bg:     #1e2430;
    --svo-card-border: rgba(255,255,255,0.1);
    --svo-hover-border:#818cf8;
    --svo-text-primary:#f8f9fa;
    --svo-text-muted:  #94a3b8;
    --svo-badge-bg:    rgba(99,102,241,0.25);
    --svo-dropzone-bg: #161b26;
    --svo-dropzone-border: #334155;
}

/* ── Page Header ────────────────────────────────────────── */
.svg-optimizer-page .svo-header {
    background: linear-gradient(135deg, rgba(99,102,241,0.05) 0%, rgba(139,92,246,0.05) 100%);
    border-bottom: 1px solid var(--svo-card-border);
    padding: 2.5rem 0 2rem 0;
}

.svg-optimizer-page .svo-breadcrumb {
    font-size: 0.875rem;
    color: var(--svo-text-muted);
    margin-bottom: 0.75rem;
}

.svg-optimizer-page .svo-breadcrumb a {
    color: var(--svo-primary);
    text-decoration: none;
    font-weight: 500;
}

.svg-optimizer-page .svo-breadcrumb a:hover { text-decoration: underline; }

.svg-optimizer-page .svo-title {
    font-size: 2.25rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--svo-primary) 0%, var(--svo-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.svg-optimizer-page .svo-subtitle {
    font-size: 1.05rem;
    color: var(--svo-text-muted);
    max-width: 800px;
    margin-bottom: 0.5rem;
}

/* ── Workflow Bar ────────────────────────────────────────── */
.svg-optimizer-page .svo-workflow-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.svg-optimizer-page .svo-workflow-step {
    background: var(--svo-card-bg);
    border: 1px solid var(--svo-card-border);
    border-radius: 50rem;
    padding: 0.35rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--svo-text-muted);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.03);
    transition: all 0.2s ease;
}

.svg-optimizer-page .svo-workflow-step.active {
    background: var(--svo-primary);
    color: #ffffff;
    border-color: var(--svo-primary);
}

.svg-optimizer-page .svo-workflow-step.done {
    background: var(--svo-success);
    color: #ffffff;
    border-color: var(--svo-success);
}

.svg-optimizer-page .svo-workflow-arrow {
    color: var(--svo-text-muted);
    font-size: 0.7rem;
}

/* ── Upload Dropzone ─────────────────────────────────────── */
.svg-optimizer-page .svo-dropzone {
    background: var(--svo-dropzone-bg);
    border: 2.5px dashed var(--svo-dropzone-border);
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.165,0.84,0.44,1);
    position: relative;
}

.svg-optimizer-page .svo-dropzone:hover,
.svg-optimizer-page .svo-dropzone.dragover {
    border-color: var(--svo-primary);
    background: var(--svo-badge-bg);
    transform: translateY(-1px);
}

.svg-optimizer-page .svo-dropzone-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--svo-badge-bg);
    color: var(--svo-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.25rem;
    transition: transform 0.2s ease;
}

.svg-optimizer-page .svo-dropzone:hover .svo-dropzone-icon {
    transform: scale(1.08);
}

/* ── Panels ──────────────────────────────────────────────── */
.svg-optimizer-page .svo-panel {
    background: var(--svo-card-bg);
    border: 1px solid var(--svo-card-border);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 4px 16px rgba(0,0,0,0.03);
    height: 100%;
}

.svg-optimizer-page .svo-panel-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--svo-text-primary);
    margin-bottom: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ── SVG Preview Area ────────────────────────────────────── */
.svg-optimizer-page .svo-preview-area {
    background: repeating-conic-gradient(#e2e8f0 0% 25%, transparent 0% 50%) 0 0 / 16px 16px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 220px;
    overflow: hidden;
    position: relative;
}

[data-bs-theme="dark"] .svg-optimizer-page .svo-preview-area,
body.dark-mode .svg-optimizer-page .svo-preview-area {
    background: repeating-conic-gradient(#1e293b 0% 25%, #0f172a 0% 50%) 0 0 / 16px 16px;
}

.svg-optimizer-page .svo-preview-area svg,
.svg-optimizer-page .svo-preview-area img {
    max-width: 100%;
    max-height: 220px;
    object-fit: contain;
}

.svg-optimizer-page .svo-preview-label {
    position: absolute;
    top: 0.5rem;
    left: 0.75rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: rgba(0,0,0,0.55);
    color: #fff;
    padding: 0.2rem 0.55rem;
    border-radius: 6px;
}

/* ── Stats Cards ─────────────────────────────────────────── */
.svg-optimizer-page .svo-stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

@media (max-width: 767px) {
    .svg-optimizer-page .svo-stats-row { grid-template-columns: repeat(2, 1fr); }
}

.svg-optimizer-page .svo-stat-card {
    background: var(--svo-card-bg);
    border: 1px solid var(--svo-card-border);
    border-radius: 14px;
    padding: 1.1rem 1rem;
    text-align: center;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.svg-optimizer-page .svo-stat-card:hover {
    border-color: var(--svo-hover-border);
    box-shadow: 0 4px 12px rgba(99,102,241,0.08);
}

.svg-optimizer-page .svo-stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--svo-text-muted);
    margin-bottom: 0.35rem;
}

.svg-optimizer-page .svo-stat-value {
    font-size: 1.6rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--svo-primary);
}

.svg-optimizer-page .svo-stat-value.success  { color: var(--svo-success); }
.svg-optimizer-page .svo-stat-value.warning  { color: var(--svo-warning); }
.svg-optimizer-page .svo-stat-sub {
    font-size: 0.72rem;
    color: var(--svo-text-muted);
    margin-top: 0.2rem;
}

/* File size progress bar */
.svg-optimizer-page .svo-size-bar-wrap {
    background: var(--svo-dropzone-bg);
    border-radius: 50rem;
    height: 8px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.svg-optimizer-page .svo-size-bar {
    height: 100%;
    border-radius: 50rem;
    transition: width 0.6s cubic-bezier(0.165,0.84,0.44,1);
}

.svg-optimizer-page .svo-size-bar.original  { background: var(--svo-text-muted); }
.svg-optimizer-page .svo-size-bar.optimized { background: var(--svo-success); }

/* ── Code Area ───────────────────────────────────────────── */
.svg-optimizer-page .svo-code-box {
    background: var(--svo-code-bg);
    color: var(--svo-code-color);
    border-radius: 12px;
    padding: 1rem 1.1rem;
    font-family: SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
    font-size: 0.8rem;
    line-height: 1.65;
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 320px;
    overflow-y: auto;
    position: relative;
    border: 1px solid rgba(255,255,255,0.06);
}

.svg-optimizer-page .svo-code-box::-webkit-scrollbar { width: 5px; }
.svg-optimizer-page .svo-code-box::-webkit-scrollbar-track { background: transparent; }
.svg-optimizer-page .svo-code-box::-webkit-scrollbar-thumb { background: rgba(165,243,252,0.2); border-radius: 5px; }

/* Code tabs */
.svg-optimizer-page .svo-code-tabs {
    display: flex;
    gap: 0.25rem;
    border-bottom: 1px solid var(--svo-card-border);
    margin-bottom: 0;
}

.svg-optimizer-page .svo-tab-btn {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--svo-text-muted);
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.svg-optimizer-page .svo-tab-btn:hover { color: var(--svo-primary); }

.svg-optimizer-page .svo-tab-btn.active {
    color: var(--svo-primary);
    border-bottom-color: var(--svo-primary);
}

/* Diff view */
.svg-optimizer-page .svo-diff-line {
    display: block;
    padding: 0 0.3rem;
    border-radius: 3px;
    font-family: SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.78rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-all;
}

.svg-optimizer-page .svo-diff-line.removed {
    background: var(--svo-diff-del);
    color: #fca5a5;
}

.svg-optimizer-page .svo-diff-line.added {
    background: var(--svo-diff-add);
    color: #6ee7b7;
}

.svg-optimizer-page .svo-diff-line.same {
    color: #64748b;
}

/* ── Optimization Controls ───────────────────────────────── */
.svg-optimizer-page .svo-preset-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--svo-card-bg);
    border: 2px solid var(--svo-card-border);
    border-radius: 10px;
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--svo-text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    text-align: left;
}

.svg-optimizer-page .svo-preset-btn:hover {
    border-color: var(--svo-primary);
    color: var(--svo-primary);
}

.svg-optimizer-page .svo-preset-btn.active {
    background: var(--svo-badge-bg);
    border-color: var(--svo-primary);
    color: var(--svo-primary);
}

.svg-optimizer-page .svo-preset-btn .svo-preset-icon {
    font-size: 1.1rem;
}

/* Custom checkboxes */
.svg-optimizer-page .svo-check-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.svg-optimizer-page .svo-check-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--svo-text-primary);
    cursor: pointer;
    padding: 0.3rem 0.5rem;
    border-radius: 6px;
    transition: background 0.15s ease;
}

.svg-optimizer-page .svo-check-item:hover {
    background: var(--svo-badge-bg);
}

.svg-optimizer-page .svo-check-item input[type="checkbox"] {
    accent-color: var(--svo-primary);
    width: 15px;
    height: 15px;
    cursor: pointer;
}

/* ── Analysis Grid ───────────────────────────────────────── */
.svg-optimizer-page .svo-analysis-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.svg-optimizer-page .svo-analysis-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0.6rem;
    background: var(--svo-badge-bg);
    border-radius: 8px;
    font-size: 0.82rem;
}

.svg-optimizer-page .svo-analysis-key {
    color: var(--svo-text-muted);
    font-weight: 500;
}

.svg-optimizer-page .svo-analysis-val {
    color: var(--svo-text-primary);
    font-weight: 700;
}

/* ── Colors Panel ────────────────────────────────────────── */
.svg-optimizer-page .svo-color-swatch {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    border: 1px solid var(--svo-card-border);
    display: inline-block;
    flex-shrink: 0;
}

.svg-optimizer-page .svo-colors-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.svg-optimizer-page .svo-color-chip {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.25rem 0.55rem;
    background: var(--svo-badge-bg);
    border-radius: 6px;
    font-size: 0.75rem;
    font-family: monospace;
    color: var(--svo-text-primary);
}

/* ── Optimization Log ────────────────────────────────────── */
.svg-optimizer-page .svo-log-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.svg-optimizer-page .svo-log-list li {
    font-size: 0.83rem;
    color: var(--svo-text-primary);
    padding: 0.3rem 0.6rem;
    background: rgba(16,185,129,0.07);
    border-left: 3px solid var(--svo-success);
    border-radius: 0 6px 6px 0;
}

/* ── Progress / Spinner ──────────────────────────────────── */
.svg-optimizer-page .svo-processing-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(4px);
}

.svg-optimizer-page .svo-processing-card {
    background: var(--svo-card-bg);
    border-radius: 20px;
    padding: 2.5rem 3rem;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
    min-width: 260px;
}

/* ── Action Buttons ──────────────────────────────────────── */
.svg-optimizer-page .svo-btn-primary {
    background: linear-gradient(135deg, var(--svo-primary) 0%, var(--svo-accent) 100%);
    border: none;
    color: #fff;
    font-weight: 700;
    border-radius: 12px;
    padding: 0.65rem 1.5rem;
    transition: opacity 0.2s ease, transform 0.1s ease;
    cursor: pointer;
}

.svg-optimizer-page .svo-btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.svg-optimizer-page .svo-btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ── Developer Output Tabs ───────────────────────────────── */
.svg-optimizer-page .svo-dev-tabs {
    display: flex;
    gap: 0.25rem;
    border-bottom: 1px solid var(--svo-card-border);
    margin-bottom: 1rem;
}

.svg-optimizer-page .svo-dev-tab-btn {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 0.45rem 0.9rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--svo-text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
}

.svg-optimizer-page .svo-dev-tab-btn:hover { color: var(--svo-primary); }
.svg-optimizer-page .svo-dev-tab-btn.active {
    color: var(--svo-primary);
    border-bottom-color: var(--svo-primary);
}

/* ── Warning Banner ──────────────────────────────────────── */
.svg-optimizer-page .svo-warning-banner {
    background: rgba(245,158,11,0.1);
    border: 1px solid rgba(245,158,11,0.3);
    border-radius: 10px;
    padding: 0.65rem 1rem;
    font-size: 0.85rem;
    color: #92400e;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

[data-bs-theme="dark"] .svg-optimizer-page .svo-warning-banner,
body.dark-mode .svg-optimizer-page .svo-warning-banner {
    color: #fde68a;
    background: rgba(245,158,11,0.12);
    border-color: rgba(245,158,11,0.25);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 991.98px) {
    .svg-optimizer-page .svo-stats-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767.98px) {
    .svg-optimizer-page .svo-title     { font-size: 1.75rem; }
    .svg-optimizer-page .svo-dropzone  { padding: 2rem 1rem; }
    .svg-optimizer-page .svo-workflow-bar { flex-direction: column; }
    .svg-optimizer-page .svo-analysis-grid { grid-template-columns: 1fr; }
    .svg-optimizer-page .svo-stats-row { grid-template-columns: 1fr 1fr; }
}