/* TF2 Keys Price Tracker Styles */

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

:root {
    --primary-color: #ff6b35;
    --secondary-color: #004e89;
    --success-color: #1abc9c;
    --danger-color: #e74c3c;
    --background: #0f0e17;
    --surface: #16213e;
    --surface-light: #1a2747;
    --text-primary: #ecf0f1;
    --text-secondary: #bdc3c7;
    --border-color: #34495e;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    padding: 20px 20px;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--primary-color);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    justify-content: center;
}

.logo svg {
    width: 64px;
    height: 64px;
    display: block;
    border-radius: 8px;
}

.site-title h1 {
    font-size: 2.2em;
    color: var(--primary-color);
    margin-bottom: 6px;
    text-shadow: 0 2px 8px rgba(255, 107, 53, 0.25);
}

.site-title .subtitle {
    margin-top: 0;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1em;
}

.controls {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
    align-items: center;
    flex-wrap: wrap;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #ff5722;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 107, 53, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.last-update {
    color: var(--text-secondary);
    font-size: 0.9em;
}

.auto-refresh {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--text-secondary);
}

.auto-refresh input[type="checkbox"] {
    cursor: pointer;
    width: 18px;
    height: 18px;
}

.content {
    display: grid;
    gap: 30px;
}

section {
    background-color: var(--surface);
    padding: 25px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

section h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.5em;
}

.prices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
}

.price-card {
    background-color: var(--surface-light);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.price-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(255, 107, 53, 0.2);
    transform: translateY(-2px);
}

.price-site-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-size: 1.1em;
}

.price-value {
    font-size: 2em;
    color: var(--success-color);
    font-weight: bold;
}

.price-currency {
    color: var(--text-secondary);
    font-size: 0.9em;
    margin-left: 5px;
}

.price-time {
    color: var(--text-secondary);
    font-size: 0.85em;
    margin-top: 10px;
}

.price-status {
    display: inline-block;
    margin-top: 10px;
    padding: 5px 10px;
    border-radius: 3px;
    font-size: 0.8em;
    font-weight: 600;
}

.status-success {
    background-color: rgba(26, 188, 156, 0.2);
    color: var(--success-color);
}

.status-error {
    background-color: rgba(231, 76, 60, 0.2);
    color: var(--danger-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.stat-card {
    background-color: var(--surface-light);
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9em;
    margin-bottom: 5px;
}

.stat-value {
    font-size: 1.5em;
    color: var(--success-color);
    font-weight: bold;
}

.history-controls {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.history-controls select {
    padding: 8px 15px;
    background-color: var(--surface-light);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    cursor: pointer;
}

.history-controls select:hover {
    border-color: var(--primary-color);
}

#chartContainer {
    margin-top: 20px;
}

.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.error {
    background-color: rgba(231, 76, 60, 0.1);
    color: var(--danger-color);
    padding: 15px;
    border-radius: 5px;
    border-left: 4px solid var(--danger-color);
}

footer {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 0.9em;
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    header {
        padding: 20px 10px;
    }

    header h1 {
        font-size: 1.8em;
    }

    .controls {
        flex-direction: column;
        gap: 10px;
    }

    .prices-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    section {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.5em;
    }

    .price-value {
        font-size: 1.5em;
    }

    .stat-value {
        font-size: 1.2em;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.price-card, .stat-card {
    animation: fadeIn 0.3s ease-out;
}

/* Spinner animation */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}