:root {
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --card-bg: rgba(255, 255, 255, 0.95);
    --card-bg-secondary: rgba(255, 255, 255, 0.9);
    --card-border: rgba(255, 255, 255, 0.2);
    --text-primary: #333;
    --text-secondary: #555;
    --text-muted: #666;
    --accent-primary: #667eea;
    --accent-secondary: #764ba2;
    --accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --button-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --error-color: #e74c3c;
    --error-hover: #c0392b;
    --border-color: #e1e5e9;
    --border-focus: #667eea;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.15);
    --backdrop-blur: blur(10px);
    --chart-primary: rgba(102, 126, 234, 0.8);
    --chart-primary-selected: rgba(102, 126, 234, 0.9);
    --chart-primary-border: rgba(102, 126, 234, 1);
    --chart-secondary: rgba(180, 180, 180, 0.5);
    --chart-secondary-border: rgba(140, 140, 140, 0.8);
    --filter-bg: rgba(102, 126, 234, 0.1);
    --filter-border: rgba(102, 126, 234, 0.3);
    --filter-active-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

[data-theme="dark"] {
    --bg-gradient: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    --card-bg: rgba(30, 30, 46, 0.95);
    --card-bg-secondary: rgba(26, 26, 42, 0.9);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-muted: #888;
    --accent-primary: #4fc3f7;
    --accent-secondary: #29b6f6;
    --accent-gradient: linear-gradient(135deg, #4fc3f7 0%, #29b6f6 100%);
    --button-gradient: linear-gradient(135deg, #4fc3f7 0%, #29b6f6 100%);
    --error-color: #ef5350;
    --error-hover: #d32f2f;
    --border-color: #404040;
    --border-focus: #4fc3f7;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --shadow-hover: rgba(0, 0, 0, 0.4);
    --backdrop-blur: blur(15px);
    --chart-primary: rgba(79, 195, 247, 0.8);
    --chart-primary-selected: rgba(79, 195, 247, 0.9);
    --chart-primary-border: rgba(79, 195, 247, 1);
    --chart-secondary: rgba(100, 100, 100, 0.6);
    --chart-secondary-border: rgba(120, 120, 120, 0.8);
    --filter-bg: rgba(79, 195, 247, 0.15);
    --filter-border: rgba(79, 195, 247, 0.3);
    --filter-active-gradient: linear-gradient(135deg, #4fc3f7 0%, #29b6f6 100%);
}

[data-theme="pastel"] {
    --bg-gradient: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    --card-bg: rgba(255, 255, 255, 0.9);
    --card-bg-secondary: rgba(252, 248, 245, 0.95);
    --card-border: rgba(252, 182, 159, 0.3);
    --text-primary: #5a5a5a;
    --text-secondary: #757575;
    --text-muted: #999;
    --accent-primary: #ff9a9e;
    --accent-secondary: #fecfef;
    --accent-gradient: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
    --button-gradient: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
    --error-color: #ff7979;
    --error-hover: #e17055;
    --border-color: #f0f0f0;
    --border-focus: #ff9a9e;
    --shadow-color: rgba(255, 154, 158, 0.15);
    --shadow-hover: rgba(255, 154, 158, 0.25);
    --backdrop-blur: blur(12px);
    --chart-primary: rgba(255, 154, 158, 0.8);
    --chart-primary-selected: rgba(255, 154, 158, 0.9);
    --chart-primary-border: rgba(255, 154, 158, 1);
    --chart-secondary: rgba(200, 200, 200, 0.6);
    --chart-secondary-border: rgba(170, 170, 170, 0.8);
    --filter-bg: rgba(255, 154, 158, 0.1);
    --filter-border: rgba(255, 154, 158, 0.3);
    --filter-active-gradient: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
}

[data-theme="azure"] {
    --bg-gradient: linear-gradient(135deg, #95acdf 0%, #b8c9f5 100%);
    --card-bg: rgba(245, 250, 255, 0.95);
    --card-bg-secondary: rgba(235, 240, 255, 0.9);
    --card-border: rgba(160, 180, 220, 0.35);
    --text-primary: #1d2a50;
    --text-secondary: #32487c;
    --text-muted: #5d6f9e;
    --accent-primary: #7f9ff8;
    --accent-secondary: #9bb5fc;
    --accent-gradient: linear-gradient(135deg, #7f9ff8 0%, #9bb5fc 100%);
    --button-gradient: linear-gradient(135deg, #7f9ff8 0%, #9bb5fc 100%);
    --error-color: #e74c3c;
    --error-hover: #c0392b;
    --border-color: #b8c7e1;
    --border-focus: #6689f2;
    --shadow-color: rgba(0, 0, 0, 0.05);
    --shadow-hover: rgba(0, 0, 0, 0.1);
    --backdrop-blur: blur(10px);
    --chart-primary: rgba(127, 159, 248, 0.85);
    --chart-primary-selected: rgba(127, 159, 248, 0.98);
    --chart-primary-border: rgba(127, 159, 248, 1);
    --chart-secondary: rgba(180, 185, 210, 0.5);
    --chart-secondary-border: rgba(150, 155, 180, 0.85);
    --filter-bg: rgba(70, 100, 180, 0.3);
    --filter-border: rgba(70, 100, 180, 0.75);
    --filter-active-gradient: linear-gradient(135deg, #4a6bcf 0%, #3654b0 100%);
}

[data-theme="professional"] {
    --bg-gradient: linear-gradient(135deg, #2c2c2c 0%, #1a1a1a 100%);
    --card-bg: rgba(74, 144, 226, 0.95);
    --card-bg-secondary: rgba(60, 60, 60, 0.95);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #f0f0f0;
    --text-muted: #cccccc;
    --accent-primary: #4A90E2;
    --accent-secondary: #357ABD;
    --accent-gradient: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
    --button-gradient: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
    --error-color: #ff4757;
    --error-hover: #ff3838;
    --border-color: #404040;
    --border-focus: #4A90E2;
    --shadow-color: rgba(0, 0, 0, 0.4);
    --shadow-hover: rgba(0, 0, 0, 0.6);
    --backdrop-blur: blur(8px);
    --chart-primary: rgba(74, 144, 226, 0.85);
    --chart-primary-selected: rgba(74, 144, 226, 0.95);
    --chart-primary-border: rgba(74, 144, 226, 1);
    --chart-secondary: rgba(120, 120, 120, 0.6);
    --chart-secondary-border: rgba(140, 140, 140, 0.8);
    --filter-bg: rgba(74, 144, 226, 0.15);
    --filter-border: rgba(74, 144, 226, 0.3);
    --filter-active-gradient: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
}

[data-theme="professional"] .metric-card {
    background: rgba(60, 60, 60, 0.95);
    color: #ffffff;
}

[data-theme="professional"] .metric-card .metric-value,
[data-theme="professional"] .metric-card .metric-label {
    color: #ffffff;
}

[data-theme="professional"] .metric-card:nth-child(even) {
    background: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
}

[data-theme="professional"] .chart-container,
[data-theme="professional"] .filters,
[data-theme="professional"] .header {
    background: rgba(60, 60, 60, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="professional"] .chart-container:hover {
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
}

[data-theme="professional"] .chart-container.filtered {
    border: 2px solid #4A90E2;
    box-shadow: 0 15px 35px rgba(74, 144, 226, 0.3);
}

[data-theme="professional"] .theme-dropdown,
[data-theme="professional"] .form-group input,
[data-theme="professional"] .form-group select {
    background: rgba(40, 40, 40, 0.95);
    border-color: rgba(255, 255, 255, 0.2);
    color: #ffffff;
}

[data-theme="professional"] .form-group input::placeholder {
    color: #cccccc;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
}

*, *:hover, *:focus, *:active {
    transition: none !important;
    transform: none !important;
    -webkit-tap-highlight-color: transparent !important;
}

.chartjs-tooltip {
    font-family: monospace !important;
}

*:focus {
    outline: none !important;
    -webkit-tap-highlight-color: transparent !important;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-gradient);
    min-height: 100vh;
    color: var(--text-primary);
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    transition: all 0.3s ease;
}

.dashboard {
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    background: var(--card-bg);
    padding: 20px;
    border-radius: 15px;
    backdrop-filter: var(--backdrop-blur);
    box-shadow: 0 10px 25px var(--shadow-color);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.theme-selector {
    position: relative;
}

.theme-dropdown {
    background: var(--card-bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    min-width: 120px;
    transition: all 0.3s ease;
}

.theme-dropdown:hover {
    border-color: var(--border-focus);
    box-shadow: 0 2px 8px var(--shadow-hover);
}

.theme-dropdown:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--filter-bg);
}

.welcome {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
}

.logout-btn {
    padding: 10px 20px;
    background: var(--error-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.logout-btn:hover {
    background: var(--error-hover);
    transform: translateY(-2px);
}

.filters {
    background: var(--card-bg);
    padding: 10px;
    border-radius: 15px;
    margin-bottom: 5px;
    backdrop-filter: var(--backdrop-blur);
    box-shadow: 0 10px 25px var(--shadow-color);
}

.filters h3 {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-weight: 600;
}

.filter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 18px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 7px;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 15px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 11px 14px;
    border: 2px solid var(--border-color);
    border-radius: 9px;
    font-size: 15px;
    transition: all 0.3s ease;
    background: var(--card-bg-secondary);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--filter-bg);
    transform: translateY(-1.5px);
}

.metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 18px;
    margin-bottom: 27px;
    padding: 0 20px;
}

.metric-card {
    background: var(--card-bg);
    padding: 22px;
    border-radius: 13px;
    text-align: center;
    backdrop-filter: var(--backdrop-blur);
    box-shadow: 0 9px 22px var(--shadow-color);
    border: 1px solid var(--card-border);
    transition: all 0.3s ease;
    min-height: 108px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.metric-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 13px 31px var(--shadow-hover);
}

.metric-value {
    font-size: 25px;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 7px;
}

.metric-label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.45px;
    line-height: 1.3;
}

.charts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 25px;
}

.filter-tag {
    display: inline-flex;
    align-items: center;
    background: var(--accent-gradient);
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    gap: 6px;
}

.filter-tag .remove-filter {
    background: rgba(255, 255, 255, 0.3);
    border: none;
    color: white;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    cursor: pointer;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.filter-tag .remove-filter:hover {
    background: rgba(255, 255, 255, 0.5);
}

.chart-container {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 15px;
    backdrop-filter: var(--backdrop-blur);
    box-shadow: 0 10px 25px var(--shadow-color);
    border: 1px solid var(--card-border);
    transition: all 0.3s ease;
    position: relative;
    min-height: 400px;
    max-height: 400px;
    display: flex;
    flex-direction: column;
    touch-action: manipulation;
    transform: translateZ(0);
    will-change: auto;
}

.chart-container:hover {
    transform: translateY(-3px) translateZ(0);
    box-shadow: 0 15px 35px var(--shadow-hover);
}

.chart-container.filtered {
    border: 2px solid var(--accent-primary);
    box-shadow: 0 15px 35px var(--shadow-hover);
}

.chart-info {
    position: absolute;
    top: 10px;
    right: 15px;
    background: var(--filter-bg);
    color: var(--accent-primary);
    padding: 4px 8px;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    height: 24px;
    min-width: 80px;
}

.chart-container.filtered .chart-info {
    opacity: 1;
    pointer-events: auto;
}

.clear-chart-filter {
    background: rgba(231, 76, 60, 0.8);
    color: white;
    border: none;
    border-radius: 4px;
    width: 16px;
    height: 16px;
    cursor: pointer;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    font-weight: bold;
}

.clear-chart-filter:hover {
    background: rgba(231, 76, 60, 1);
}

.chart-title {
    font-size: 12px;
    font-weight: 600;
    margin-top: 15px;
    color: var(--text-primary);
    text-align: center;
    position: absolute;
    bottom: 10px;
    left: 0;
    right: 0;
    z-index: 10;
}

.chart-wrapper {
    position: relative;
    flex: 1;
    min-height: 300px;
    transform: translateZ(0);
}

.chart-wrapper canvas {
    cursor: pointer !important;
    touch-action: none;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 100% !important;
}

.chart-wrapper canvas:hover {
    opacity: 0.9;
}

.loading {
    text-align: center;
    padding: 50px;
    color: var(--text-muted);
    font-style: italic;
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: 7px;
}

.filter-button {
    background: var(--card-bg-secondary);
    border: 2px solid var(--filter-border);
    color: var(--accent-primary);
    padding: 8px 12px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 55px;
    text-align: center;
}

.filter-button:hover {
    background: var(--filter-bg);
    border-color: var(--accent-primary);
    transform: translateY(-1px);
}

.filter-button.active {
    background: var(--filter-active-gradient);
    border-color: var(--accent-primary);
    color: white;
    box-shadow: 0 2px 8px var(--shadow-hover);
}

.filter-button.active:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--shadow-hover);
}

.filter-group {
    margin-bottom: 20px;
}

.filter-group-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-size: 14px;
}

.hide-filters-btn {
    background: rgba(231, 76, 60, 0.8);
    color: white;
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.hide-filters-btn:hover {
    background: rgba(231, 76, 60, 1);
    transform: scale(1.1);
}

.show-filters-btn {
    padding: 10px 20px;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    margin: 20px;
    transition: all 0.3s ease;
    font-size: 14px;
}

.show-filters-btn:hover {
    background: var(--accent-secondary);
    transform: translateY(-2px);
}

.toggle-filters-btn {
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 20%;
    width: 30px;
    height: 30px;
    cursor: pointer;
    font-size: 10px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.toggle-filters-btn:hover {
    background: var(--accent-secondary);
    transform: scale(1.1);
}

.filters-content {
    transition: all 0.3s ease;
    overflow: hidden;
}

.filters-content.collapsed {
    height: 0 !important;
    margin: 0;
    padding: 0;
    opacity: 0;
}

.filters.collapsed {
    padding-bottom: 10px;
}

#activeFilters {
    margin-bottom: 12px !important;
    font-size: 13px;
}

#activeFilters > div:first-child {
    gap: 8px !important;
    margin-bottom: 8px !important;
}

#activeFilters strong {
    font-size: 13px;
    font-weight: 500;
}

.info-box {
    background: var(--filter-bg);
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 14px;
    color: var(--text-primary);
    border-left: 4px solid var(--accent-primary);
}

.dataset-card {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.direction-stats {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: center;
    margin-bottom: 8px;
}

.direction-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.direction-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--accent-primary);
    min-width: 40px;
    text-align: right;
}

.direction-label {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    min-width: 45px;
}

.dataset-count {
    position: absolute;
    bottom: 12px;
    right: 15px;
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.dataset-label {
    font-size: 9px;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.dataset-number {
    font-size: 12px;
    font-weight: 700;
    color: var(--accent-primary);
}

.confirmation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.confirmation-toggle-btn {
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    cursor: pointer;
    font-size: 10px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.confirmation-toggle-btn:hover {
    background: var(--accent-secondary);
    transform: scale(1.1);
}

.confirmation-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    min-height: 35px;
    transition: all 0.3s ease;
    overflow: hidden;
}

.confirmation-buttons.collapsed {
    height: 0 !important;
    min-height: 0 !important;
    margin: 0;
    padding: 0;
    opacity: 0;
}

.confirmation-button {
    background: var(--card-bg-secondary);
    border: 2px solid var(--filter-border);
    color: var(--accent-primary);
    padding: 6px 8px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 40px;
    text-align: center;
    white-space: nowrap;
}

.confirmation-button:hover {
    background: var(--filter-bg);
    border-color: var(--accent-primary);
    transform: translateY(-1px);
}

.confirmation-button.active {
    background: var(--filter-active-gradient);
    border-color: var(--accent-primary);
    color: white;
    box-shadow: 0 2px 8px var(--shadow-hover);
}

.confirmation-button.active:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--shadow-hover);
}

.confirmation-buttons:empty::after {
    content: "No times available";
    font-size: 10px;
    color: var(--text-muted);
    font-style: italic;
    padding: 8px;
}

.confirmation-buttons.collapsed:empty::after {
    display: none;
}

@media (max-width: 768px) {
    .charts {
        grid-template-columns: 1fr;
    }
    
    .filter-grid {
        grid-template-columns: 1fr;
    }
    
    .metrics {
        grid-template-columns: repeat(2, 1fr);
    }

    .header {
        flex-direction: column;
        gap: 15px;
    }

    .header-right {
        width: 100%;
        justify-content: space-between;
    }
    
    .chart-container,
    .chart-wrapper {
        transform: translate3d(0,0,0);
    }
}