/* ==========================================================
   Shronix Sound Detector PRO - Royal Rajasthani Theme
   ========================================================== */

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

:root {
    --color-royal-blue: #1a3a6e;
    --color-deep-maroon: #6b1f2e;
    --color-gold: #d4af37;
    --color-gold-light: #f0c75e;
    --color-cream: #faf3e3;
    --color-cream-dark: #f3e8c9;
    --color-brown-dark: #3d2817;
    --color-brown-medium: #5a3a1a;
    --color-text-dark: #2c1810;
    --color-text-light: #6b5a4a;
    --color-white: #ffffff;
    --color-success: #2d6a4f;
    --color-danger: #9b2226;
    --color-bass: #1a3a6e;
    --color-mid: #d4af37;
    --color-treble: #9b2226;
    --shadow-soft: 0 2px 8px rgba(61, 40, 23, 0.08);
    --shadow-medium: 0 4px 16px rgba(61, 40, 23, 0.12);
    --shadow-strong: 0 8px 24px rgba(61, 40, 23, 0.18);
    --border-radius: 12px;
    --border-radius-sm: 8px;
}

body {
    font-family: 'Georgia', 'Cambria', 'Times New Roman', serif;
    background: var(--color-cream);
    background-image:
        radial-gradient(circle at 10% 20%, rgba(212, 175, 55, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(107, 31, 46, 0.05) 0%, transparent 40%);
    color: var(--color-text-dark);
    min-height: 100vh;
    line-height: 1.6;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--color-royal-blue) 0%, var(--color-deep-maroon) 100%);
    border-bottom: 4px solid var(--color-gold);
    padding: 20px 0;
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(212, 175, 55, 0.03) 20px, rgba(212, 175, 55, 0.03) 22px);
    pointer-events: none;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}

.logo-section { display: flex; align-items: center; gap: 18px; }

.logo-icon {
    font-size: 48px;
    background: var(--color-gold);
    width: 70px; height: 70px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 0 0 3px var(--color-cream), 0 0 0 5px var(--color-gold);
}

.logo-text h1 {
    color: var(--color-cream);
    font-size: 26px;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pro-badge {
    background: var(--color-gold);
    color: var(--color-deep-maroon);
    font-size: 12px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 12px;
    letter-spacing: 1px;
}

.logo-text p {
    color: var(--color-gold-light);
    font-size: 13px;
    font-style: italic;
    letter-spacing: 0.3px;
}

.company-tag {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--color-gold);
    padding: 8px 16px;
    border-radius: 20px;
    color: var(--color-gold-light);
    font-size: 13px;
    font-weight: 600;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px;
}

/* Section Heading */
.section-heading {
    color: var(--color-royal-blue);
    font-size: 22px;
    font-weight: 700;
    margin: 32px 0 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-gold);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Upload */
.upload-section {
    display: flex; justify-content: center; align-items: center;
    min-height: 60vh;
}

.upload-box {
    background: var(--color-white);
    border: 3px dashed var(--color-gold);
    border-radius: var(--border-radius);
    padding: 60px 50px;
    text-align: center;
    max-width: 700px;
    width: 100%;
    box-shadow: var(--shadow-medium);
    transition: all 0.3s ease;
    position: relative;
}

.upload-box::before {
    content: '';
    position: absolute;
    top: 8px; left: 8px; right: 8px; bottom: 8px;
    border: 1px solid var(--color-gold);
    border-radius: var(--border-radius-sm);
    pointer-events: none;
}

.upload-box.drag-over {
    background: var(--color-cream-dark);
    transform: scale(1.02);
    box-shadow: var(--shadow-strong);
}

.upload-icon { font-size: 64px; margin-bottom: 20px; }

.upload-box h2 {
    color: var(--color-royal-blue);
    font-size: 28px;
    margin-bottom: 10px;
    font-weight: 700;
}

.upload-subtitle { color: var(--color-text-light); font-size: 15px; margin-bottom: 8px; }
.upload-hint { color: var(--color-text-light); font-size: 13px; margin-bottom: 25px; font-style: italic; }
.drag-hint { color: var(--color-text-light); font-size: 13px; margin-top: 15px; font-style: italic; }

.features-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--color-cream-dark);
}

.feature-pill {
    background: var(--color-cream);
    color: var(--color-brown-dark);
    border: 1px solid var(--color-gold);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--color-royal-blue) 0%, var(--color-deep-maroon) 100%);
    color: var(--color-cream);
    border: 1px solid var(--color-gold);
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
    letter-spacing: 0.3px;
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-medium); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
    background: var(--color-white);
    color: var(--color-royal-blue);
    border: 2px solid var(--color-royal-blue);
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.btn-secondary:hover { background: var(--color-royal-blue); color: var(--color-cream); }

.btn-filter {
    background: var(--color-cream);
    color: var(--color-text-dark);
    border: 1px solid var(--color-cream-dark);
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.btn-filter:hover { background: var(--color-cream-dark); }
.btn-filter.active {
    background: var(--color-royal-blue);
    color: var(--color-cream);
    border-color: var(--color-gold);
}

/* Cards */
.file-info-card, .player-card, .waveform-card, .settings-card,
.strokes-card, .splitter-card, .reports-card {
    background: var(--color-white);
    border-radius: var(--border-radius);
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-soft);
    border-top: 3px solid var(--color-gold);
}

.card-title {
    color: var(--color-royal-blue);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-cream-dark);
}

.card-hint {
    color: var(--color-text-light);
    font-size: 12px;
    font-style: italic;
    margin-top: 10px;
    text-align: center;
}

.file-info-card { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.file-info-left { display: flex; align-items: center; gap: 16px; }

.file-icon {
    font-size: 36px;
    background: var(--color-cream-dark);
    width: 56px; height: 56px;
    border-radius: var(--border-radius-sm);
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--color-gold);
}

.file-details h3 { color: var(--color-text-dark); font-size: 16px; margin-bottom: 4px; word-break: break-all; }
.file-details p { color: var(--color-text-light); font-size: 13px; }

/* Waveform & Spectrogram */
.waveform-container {
    background: var(--color-cream);
    border: 1px solid var(--color-cream-dark);
    border-radius: var(--border-radius-sm);
    padding: 20px;
    overflow-x: auto;
}

#waveformCanvas, #spectrogramCanvas {
    width: 100%;
    height: 200px;
    display: block;
}

.legend {
    display: flex; gap: 24px; margin-top: 12px; padding-top: 12px;
    border-top: 1px solid var(--color-cream-dark);
    flex-wrap: wrap;
}

.legend-item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--color-text-light); }
.legend-dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }

/* Settings */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 20px;
}

.setting-item { display: flex; flex-direction: column; gap: 8px; }
.setting-item label { color: var(--color-text-dark); font-size: 14px; font-weight: 600; }
.slider-row { display: flex; align-items: center; gap: 16px; }

.slider-row input[type="range"] {
    flex: 1;
    height: 6px;
    background: var(--color-cream-dark);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
}

.slider-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px; height: 20px;
    background: var(--color-gold);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--color-white);
    box-shadow: var(--shadow-soft);
}

.slider-row input[type="range"]::-moz-range-thumb {
    width: 20px; height: 20px;
    background: var(--color-gold);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--color-white);
}

.slider-value {
    background: var(--color-cream-dark);
    color: var(--color-brown-dark);
    padding: 4px 12px;
    border-radius: var(--border-radius-sm);
    font-size: 13px;
    font-weight: 600;
    min-width: 70px;
    text-align: center;
    border: 1px solid var(--color-gold);
}

.setting-hint { color: var(--color-text-light); font-size: 12px; font-style: italic; }

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.stat-card {
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-cream) 100%);
    border: 1px solid var(--color-cream-dark);
    border-left: 4px solid var(--color-gold);
    border-radius: var(--border-radius-sm);
    padding: 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: var(--shadow-soft);
    transition: all 0.2s ease;
}

.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-medium); }
.stat-icon { font-size: 32px; }
.stat-content { display: flex; flex-direction: column; }

.stat-value {
    color: var(--color-royal-blue);
    font-size: 22px;
    font-weight: 700;
    line-height: 1;
}

.stat-label { color: var(--color-text-light); font-size: 12px; margin-top: 4px; }

/* Character Grid */
.character-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.character-card {
    background: var(--color-white);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow-soft);
    border-top: 4px solid var(--color-gold);
    transition: all 0.2s ease;
}

.character-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-medium); }
.character-bass { border-top-color: var(--color-bass); }
.character-mid { border-top-color: var(--color-mid); }
.character-treble { border-top-color: var(--color-treble); }

.char-header {
    text-align: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-cream-dark);
}

.char-icon { font-size: 36px; display: block; margin-bottom: 8px; }
.char-header h3 { color: var(--color-text-dark); font-size: 16px; margin-bottom: 4px; }
.char-header p { color: var(--color-text-light); font-size: 12px; }
.char-stats { text-align: center; }

.char-count {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-royal-blue);
    line-height: 1;
}

.char-percent {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-gold);
    margin: 8px 0;
}

.char-bar {
    width: 100%;
    height: 8px;
    background: var(--color-cream-dark);
    border-radius: 4px;
    overflow: hidden;
    margin: 12px 0 8px;
}

.char-bar-fill { height: 100%; transition: width 0.4s ease; border-radius: 4px; }
.bass-fill { background: linear-gradient(90deg, var(--color-bass), #2c5aa0); }
.mid-fill { background: linear-gradient(90deg, var(--color-mid), var(--color-gold-light)); }
.treble-fill { background: linear-gradient(90deg, var(--color-treble), #c33845); }

.char-range {
    color: var(--color-text-light);
    font-size: 11px;
    font-style: italic;
    margin-top: 4px;
}

/* Pattern Grid */
.pattern-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.pattern-card {
    background: var(--color-white);
    border-radius: var(--border-radius);
    padding: 18px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--color-cream-dark);
    border-top: 3px solid var(--color-gold);
}

.pattern-icon { font-size: 32px; margin-bottom: 8px; }
.pattern-card h3 { color: var(--color-text-dark); font-size: 15px; margin-bottom: 4px; }
.pattern-desc { color: var(--color-text-light); font-size: 12px; margin-bottom: 12px; }

.pattern-count {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-royal-blue);
    line-height: 1;
    margin: 8px 0;
}

.pattern-hint { color: var(--color-text-light); font-size: 11px; font-style: italic; }

/* Strokes Header & Filters */
.strokes-header {
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 12px; margin-bottom: 16px;
}

.filter-buttons { display: flex; flex-wrap: wrap; gap: 6px; }

/* Table */
.table-container {
    overflow-x: auto;
    max-height: 500px;
    overflow-y: auto;
    border: 1px solid var(--color-cream-dark);
    border-radius: var(--border-radius-sm);
}

.strokes-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    min-width: 1000px;
}

.strokes-table thead {
    background: var(--color-royal-blue);
    color: var(--color-cream);
    position: sticky; top: 0; z-index: 1;
}

.strokes-table th {
    padding: 10px 8px;
    text-align: left;
    font-weight: 600;
    letter-spacing: 0.3px;
    border-right: 1px solid rgba(212, 175, 55, 0.3);
    white-space: nowrap;
}

.strokes-table td {
    padding: 8px;
    border-bottom: 1px solid var(--color-cream-dark);
    color: var(--color-text-dark);
    white-space: nowrap;
}

.strokes-table tbody tr:hover { background: var(--color-cream); }
.strokes-table tbody tr:nth-child(even) { background: rgba(250, 243, 227, 0.4); }
.strokes-table tbody tr:nth-child(even):hover { background: var(--color-cream); }
.strokes-table tbody tr.hidden { display: none; }

.btn-play-row {
    background: var(--color-gold);
    color: var(--color-white);
    border: none;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 11px;
    font-weight: 600;
    margin-right: 4px;
}

.btn-play-row:hover { background: var(--color-deep-maroon); }

.btn-download-row {
    background: var(--color-cream-dark);
    color: var(--color-brown-dark);
    border: 1px solid var(--color-gold);
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 11px;
    font-weight: 600;
}

.btn-download-row:hover { background: var(--color-gold); color: var(--color-white); }

.volume-bar {
    width: 70px; height: 6px;
    background: var(--color-cream-dark);
    border-radius: 3px;
    overflow: hidden;
    display: inline-block;
    vertical-align: middle;
    margin-right: 6px;
}

.volume-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-success), var(--color-gold), var(--color-danger));
    transition: width 0.3s ease;
}

.character-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
}

.tag-bass { background: rgba(26, 58, 110, 0.15); color: var(--color-bass); }
.tag-mid { background: rgba(212, 175, 55, 0.2); color: #8a6d1c; }
.tag-treble { background: rgba(155, 34, 38, 0.15); color: var(--color-treble); }
.tag-loud { background: rgba(155, 34, 38, 0.15); color: var(--color-treble); }
.tag-soft { background: rgba(26, 58, 110, 0.15); color: var(--color-bass); }
.tag-regular { background: rgba(45, 106, 79, 0.15); color: var(--color-success); }

/* Reports */
.reports-info {
    color: var(--color-text-light);
    font-size: 14px;
    margin-bottom: 16px;
    padding: 12px;
    background: var(--color-cream);
    border-left: 3px solid var(--color-gold);
    border-radius: 4px;
}

.reports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 14px;
}

.report-btn {
    background: var(--color-white);
    border: 2px solid var(--color-cream-dark);
    border-radius: var(--border-radius-sm);
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 14px;
    text-align: left;
    font-family: inherit;
}

.report-btn:hover {
    border-color: var(--color-gold);
    background: var(--color-cream);
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}

.report-icon { font-size: 32px; }
.report-info h4 { color: var(--color-royal-blue); font-size: 14px; margin-bottom: 4px; }
.report-info p { color: var(--color-text-light); font-size: 12px; }

/* Splitter */
.splitter-info {
    color: var(--color-text-light);
    font-size: 14px;
    margin-bottom: 16px;
    padding: 12px;
    background: var(--color-cream);
    border-left: 3px solid var(--color-gold);
    border-radius: 4px;
}

.splitter-controls {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.extract-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.extract-buttons .btn-primary { flex: 1; min-width: 250px; }

.extraction-status {
    margin-top: 16px;
    padding: 12px;
    background: var(--color-cream);
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    color: var(--color-brown-dark);
    border-left: 3px solid var(--color-gold);
}

/* Loading */
.loading-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(26, 58, 110, 0.85);
    display: flex; justify-content: center; align-items: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.loading-content {
    background: var(--color-white);
    padding: 40px 60px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-strong);
    border: 2px solid var(--color-gold);
    max-width: 400px;
}

.loading-spinner {
    width: 60px; height: 60px;
    border: 5px solid var(--color-cream-dark);
    border-top-color: var(--color-gold);
    border-radius: 50%;
    margin: 0 auto 16px;
    animation: spin 0.8s linear infinite;
}

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

#loadingText { color: var(--color-royal-blue); font-size: 16px; font-weight: 600; }
.loading-subtext { color: var(--color-text-light); font-size: 13px; margin-top: 6px; }

/* Footer */
.footer {
    background: var(--color-brown-dark);
    color: var(--color-cream);
    padding: 24px 30px;
    text-align: center;
    margin-top: 60px;
    border-top: 3px solid var(--color-gold);
}

.footer-content p { font-size: 13px; margin-bottom: 4px; }
.footer-tag { color: var(--color-gold-light); font-style: italic; font-size: 12px; }

/* Responsive */
@media (max-width: 768px) {
    .header-content { flex-direction: column; gap: 16px; text-align: center; }
    .logo-section { flex-direction: column; text-align: center; }
    .container { padding: 16px; }
    .upload-box { padding: 40px 24px; }
    .upload-box h2 { font-size: 22px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-value { font-size: 18px; }
    .file-info-card { flex-direction: column; align-items: flex-start; }
    .character-grid { grid-template-columns: 1fr; }
    .reports-grid { grid-template-columns: 1fr; }
    .extract-buttons { flex-direction: column; }
    .extract-buttons .btn-primary { width: 100%; min-width: auto; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
}