/* ============================================================
   花椒小工具站 — 黑夜模式
   ============================================================ */

/* ============================================================
   SVG 图标基础样式
   ============================================================ */
.card-icon svg,
.page-header .icon svg,
.result-header .icon svg {
    display: block;
    width: 22px;
    height: 22px;
}

.page-header .icon svg {
    width: 30px;
    height: 30px;
}

@media (max-width: 768px) {
    .page-header .icon svg {
        width: 24px;
        height: 24px;
    }
}

/* --- Toggle Button --- */
.theme-toggle {
    position: fixed;
    top: 16px;
    right: 20px;
    z-index: 9999;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    color: #1d1d1f;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    user-select: none;
    -webkit-user-select: none;
}

.theme-toggle:hover {
    transform: scale(1.12);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.theme-toggle:active {
    transform: scale(0.92);
}

/* --- Dark Mode Variables --- */
[data-theme="dark"] {
    /* Base */
    --bg-primary: #0f0f11;
    --bg-secondary: #1c1c1e;
    --bg-card: #1c1c1e;
    --bg-hover: #2c2c2e;
    --text-primary: #f5f5f7;
    --text-secondary: #98989d;
    --text-muted: #636366;
    --border-color: rgba(255, 255, 255, 0.06);
    --border-light: rgba(255, 255, 255, 0.04);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);

    /* Accent overrides — slightly brighter for dark bg */
    --accent-orange: #ff6b35;
    --accent-red: #ff4757;
    --accent-blue: #4a8eff;
    --accent-green: #34d399;

    /* Toggle */
    --toggle-bg: #1c1c1e;
    --toggle-border: rgba(255, 255, 255, 0.1);
}

/* --- Body & Global --- */
[data-theme="dark"] body {
    background: var(--bg-primary) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .theme-toggle {
    background: rgba(28, 28, 30, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
    color: #f5f5f7;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* --- Cards --- */
[data-theme="dark"] .tool-card,
[data-theme="dark"] .card,
[data-theme="dark"] .purchase-card {
    background: var(--bg-card) !important;
    border-color: var(--border-color) !important;
    box-shadow: var(--shadow-sm) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .tool-card:hover {
    background: var(--bg-hover) !important;
    box-shadow: var(--shadow-md) !important;
}

[data-theme="dark"] .tool-card .card-icon {
    box-shadow: none !important;
}

/* --- Typography --- */
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] .card h2,
[data-theme="dark"] .purchase-card h2 {
    color: var(--text-primary) !important;
}

[data-theme="dark"] header h1 {
    background: linear-gradient(135deg, #f5f5f7, #a1a1a6) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}

[data-theme="dark"] .subtitle,
[data-theme="dark"] .page-header p,
[data-theme="dark"] p {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] .label,
[data-theme="dark"] .info-row .label {
    color: var(--text-muted) !important;
}

[data-theme="dark"] .value,
[data-theme="dark"] .info-row .value {
    color: var(--text-primary) !important;
}

/* --- Links / Nav --- */
[data-theme="dark"] .nav-bar a,
[data-theme="dark"] .back {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] .nav-bar a:hover,
[data-theme="dark"] .back:hover {
    color: var(--accent-blue) !important;
}

/* --- Buttons --- */
[data-theme="dark"] .btn {
    box-shadow: var(--shadow-sm) !important;
}

[data-theme="dark"] .btn-secondary {
    background: var(--bg-hover) !important;
    color: var(--text-primary) !important;
}

/* --- Inputs & Textareas --- */
[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="url"],
[data-theme="dark"] input[type="search"],
[data-theme="dark"] input[type="password"],
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    background: var(--bg-secondary) !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: var(--text-muted) !important;
}

/* --- Upload area --- */
[data-theme="dark"] .upload-area {
    background: var(--bg-secondary) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .upload-area:hover,
[data-theme="dark"] .upload-area.dragover {
    border-color: var(--accent-blue) !important;
    background: var(--bg-hover) !important;
}

[data-theme="dark"] .upload-area.has-file {
    border-color: var(--accent-green) !important;
}

[data-theme="dark"] .upload-text,
[data-theme="dark"] .upload-hint {
    color: var(--text-secondary) !important;
}

/* --- Format grid --- */
[data-theme="dark"] .format-option label {
    background: var(--bg-secondary) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .format-option label:hover {
    background: var(--bg-hover) !important;
    border-color: var(--accent-blue) !important;
}

[data-theme="dark"] .format-option input:checked + label {
    border-color: var(--accent-blue) !important;
    background: rgba(74, 142, 255, 0.1) !important;
}

[data-theme="dark"] .format-option .desc {
    color: var(--text-secondary) !important;
}

/* --- Progress & Result --- */
[data-theme="dark"] .progress-bar {
    background: var(--bg-secondary) !important;
}

[data-theme="dark"] .progress-fill {
    background: linear-gradient(90deg, var(--accent-blue), #6366f1) !important;
}

[data-theme="dark"] .progress-status {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] .result-card {
    background: var(--bg-card) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .error-section {
    background: rgba(255, 71, 87, 0.1) !important;
    color: #ff6b7a !important;
    border-color: rgba(255, 71, 87, 0.3) !important;
}

/* --- Footer --- */
[data-theme="dark"] .footer,
[data-theme="dark"] footer {
    color: var(--text-muted) !important;
    border-top-color: var(--border-color) !important;
}

/* --- Notice banner --- */
[data-theme="dark"] .notice-banner {
    background: rgba(255, 71, 87, 0.1) !important;
    border-color: rgba(255, 71, 87, 0.3) !important;
    color: #ff6b7a !important;
}

/* --- Header gradient backgrounds (download-*.html) --- */
[data-theme="dark"] .header {
    background: linear-gradient(135deg, #1a1a2e, #16213e) !important;
}

/* --- Wave bg --- */
[data-theme="dark"] header .wave-bg {
    opacity: 0.15 !important;
}

/* --- Input groups & search --- */
[data-theme="dark"] .search-box {
    background: var(--bg-secondary) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .search-box input {
    background: transparent !important;
    color: var(--text-primary) !important;
}

/* --- Copy button & link input --- */
[data-theme="dark"] .link-input-group {
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .link-input-group input {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .copy-btn {
    background: var(--bg-hover) !important;
    color: var(--text-primary) !important;
}

/* --- Tags --- */
[data-theme="dark"] .input-tags span,
[data-theme="dark"] .tag {
    background: var(--bg-hover) !important;
    color: var(--text-secondary) !important;
}

/* --- Table --- */
[data-theme="dark"] table {
    background: var(--bg-card) !important;
}

[data-theme="dark"] th {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] td {
    border-color: var(--border-color) !important;
    color: var(--text-secondary) !important;
}

/* --- Music search results --- */
[data-theme="dark"] .result-item {
    background: var(--bg-card) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .result-item:hover {
    background: var(--bg-hover) !important;
}

/* --- Smooth transition on all elements --- */
[data-theme="dark"],
[data-theme="dark"] * {
    transition: background-color 0.25s ease,
                border-color 0.2s ease,
                box-shadow 0.25s ease,
                color 0.2s ease;
}

/* --- Mobile responsive --- */
@media (max-width: 768px) {
    .theme-toggle {
        top: 12px;
        right: 14px;
        width: 34px;
        height: 34px;
        font-size: 16px;
    }
}