/* Reset and base styles */
html {
    overflow-x: hidden;
}

html, body {
    height: 100%;
}

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

:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #0f1420;
    --bg-tertiary: #141925;
    --bg-accent: #1a1f2e;
    --text-primary: #ffffff;
    --text-secondary: #8a95b0;
    --border-color: #1e2432;
    --border-glow: rgba(0, 255, 157, 0.2);
    --accent-primary: #00ff9d;
    --accent-secondary: #0066ff;
    --accent-danger: #ff3366;
    --accent-warning: #ffaa00;
    --glow-primary: rgba(0, 255, 157, 0.4);
    --glow-secondary: rgba(0, 102, 255, 0.3);
}

body {
    position: relative;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Rajdhani', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    padding: 20px;
    max-width: 1600px;
    margin: 0 auto;
    line-height: 1.6;
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: var(--background-image-url);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: blur(8px) brightness(0.4);
    z-index: -1;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px 32px;
    margin-bottom: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.header::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
}

.header-content h1 {
    font-family: 'Orbitron', monospace;
    font-size: 32px;
    font-weight: 900;
    letter-spacing: 4px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
    text-shadow: 0 0 20px var(--glow-primary);
}

.header-subtitle {
    font-family: 'Rajdhani', sans-serif;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--accent-primary);
    text-transform: uppercase;
}

.back-link {
    color: var(--bg-primary);
    background: var(--accent-primary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 12px 24px;
    border-radius: 6px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    box-shadow: 0 4px 12px rgba(0, 255, 157, 0.3);
    border: 1px solid var(--accent-primary);
}

.back-link:hover {
    background: transparent;
    color: var(--accent-primary);
    box-shadow: 0 6px 20px rgba(0, 255, 157, 0.5);
    transform: translateY(-2px);
}

/* Container Grid */
.container {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 24px;
}

/* Sidebar */
.sidebar {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    height: fit-content;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    position: sticky;
    top: 20px;
}

.sidebar-header {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 16px;
    margin-bottom: 24px;
}

.sidebar-header h2 {
    font-family: 'Orbitron', monospace;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--accent-primary);
    text-transform: uppercase;
}

.setting-group {
    margin-bottom: 24px;
}

.setting-group label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.setting-group select,
.setting-group input:not([type="checkbox"]) {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-accent);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    font-size: 14px;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 500;
    transition: all 0.3s ease;
}

.setting-group input[type="datetime-local"],
.setting-group input[type="number"] {
    color-scheme: dark;
}

.setting-group input[type="datetime-local"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
    cursor: pointer;
}

.setting-group select:hover,
.setting-group input:not([type="checkbox"]):hover {
    border-color: var(--accent-primary);
}

.setting-group select:focus,
.setting-group input:not([type="checkbox"]):focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 12px var(--glow-primary);
}

.checkbox-label {
    display: flex;
    align-items: center;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

.checkbox-label:hover {
    color: var(--accent-primary);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 10px;
    cursor: pointer;
    accent-color: var(--accent-primary);
}

/* Buttons */
.button-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    border: 1px solid;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: 'Rajdhani', sans-serif;
}

.btn-icon {
    font-size: 16px;
}

.btn-primary {
    background: transparent;
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

.btn-primary:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    box-shadow: 0 4px 12px var(--glow-primary);
    transform: translateY(-2px);
}

.btn-success {
    background: transparent;
    color: var(--accent-secondary);
    border-color: var(--accent-secondary);
}

.btn-success:hover {
    background: var(--accent-secondary);
    color: var(--bg-primary);
    box-shadow: 0 4px 12px var(--glow-secondary);
    transform: translateY(-2px);
}

/* Main Content */
.main {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-box {
    background: var(--bg-accent);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-box::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-box:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 4px 20px var(--glow-primary);
    transform: translateY(-2px);
}

.stat-box:hover::before {
    opacity: 1;
}

.stat-icon {
    font-size: 32px;
    filter: grayscale(1) brightness(1.5);
}

.stat-current .stat-icon { filter: none; }
.stat-peak .stat-value { color: var(--accent-primary); }
.stat-min .stat-value { color: var(--accent-secondary); }
.stat-avg .stat-value { color: var(--accent-warning); }

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.stat-value {
    font-family: 'Orbitron', monospace;
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

/* Date Display */
.date-display {
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 20px;
    padding: 12px;
    background: var(--bg-accent);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    letter-spacing: 1px;
}

/* Chart Container */
.chart-container {
    position: relative;
    height: 500px;
    margin-bottom: 24px;
    background: var(--bg-accent);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.2);
}

#playerChart {
    width: 100%;
    height: 100%;
}

/* Legend */
.legend {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

.legend-color {
    width: 16px;
    height: 16px;
    background: var(--accent-primary);
    border-radius: 3px;
    box-shadow: 0 0 8px var(--glow-primary);
}

.legend-divider {
    color: var(--border-color);
    font-weight: 300;
}

/* Status */
.status {
    padding: 14px 18px;
    background: var(--bg-accent);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    margin-top: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.status.active {
    border-color: var(--accent-primary);
    background: rgba(0, 255, 157, 0.05);
}

.status.error {
    border-color: var(--accent-danger);
    background: rgba(255, 51, 102, 0.05);
}

.status-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.status-dot.active {
    background: var(--accent-primary);
    box-shadow: 0 0 8px var(--glow-primary);
}

.status-dot.error {
    background: var(--accent-danger);
    box-shadow: 0 0 8px rgba(255, 51, 102, 0.4);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        grid-template-columns: 260px 1fr;
        gap: 20px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    body {
        padding: 12px;
    }
    
    .header {
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        text-align: center;
    }
    
    .header-content h1 {
        font-size: 24px;
        letter-spacing: 2px;
    }
    
    .header-subtitle {
        font-size: 11px;
    }
    
    .back-link {
        width: 100%;
        max-width: 200px;
    }
    
    .container {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .sidebar {
        position: static;
        padding: 20px;
    }
    
    .main {
        padding: 20px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .stat-box {
        flex-direction: column;
        text-align: center;
        padding: 16px;
        gap: 12px;
    }
    
    .stat-icon {
        font-size: 28px;
    }
    
    .stat-value {
        font-size: 22px;
    }
    
    .chart-container {
        height: 350px;
        padding: 16px;
    }
    
    .legend {
        flex-direction: column;
        gap: 12px;
    }
    
    .legend-divider {
        display: none;
    }
}

@media (max-width: 480px) {
    body {
        padding: 8px;
    }
    
    .header {
        padding: 16px;
    }
    
    .header-content h1 {
        font-size: 20px;
        letter-spacing: 1px;
    }
    
    .header-subtitle {
        font-size: 10px;
        letter-spacing: 2px;
    }
    
    .sidebar {
        padding: 16px;
    }
    
    .main {
        padding: 16px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .stat-box {
        padding: 14px;
    }
    
    .stat-value {
        font-size: 20px;
    }
    
    .chart-container {
        height: 280px;
        padding: 12px;
    }
    
    .btn {
        padding: 14px 16px;
        font-size: 12px;
    }
}

/* Touch optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .setting-group select,
    .setting-group input:not([type="checkbox"]) {
        min-height: 44px;
    }
    
    .checkbox-label {
        padding: 8px 0;
        min-height: 44px;
    }
}