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

:root {
    --primary-color: #0a0a0a;
    --secondary-color: #1a1a1a;
    --accent-color: #D4FF00;
    --accent-glow: rgba(212, 255, 0, 0.3);
    --success-color: #00ff88;
    --warning-color: #ff6b00;
    --danger-color: #ff0055;
    --text-color: #ffffff;
    --text-muted: #8a8a8a;
    --bg-color: #000000;
    --card-bg: rgba(26, 26, 26, 0.8);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --border-radius: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: radial-gradient(ellipse at top, #1a1a1a 0%, #000000 100%);
    background-attachment: fixed;
    color: var(--text-color);
    min-height: 100vh;
    padding: 20px;
}

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

header {
    text-align: center;
    margin-bottom: 30px;
    padding: 30px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    color: var(--text-color);
    font-weight: 700;
    letter-spacing: -1px;
}

header h1 .brand {
    color: var(--accent-color);
    text-shadow: 0 0 20px var(--accent-glow);
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.1em;
    font-weight: 300;
}

.status-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.status-item {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.status-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

.status-item .label {
    display: block;
    color: var(--text-muted);
    font-size: 0.85em;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.status-item .value {
    display: block;
    font-size: 1.3em;
    font-weight: 700;
    color: var(--text-color);
}

.status-item .value.online {
    color: var(--success-color);
}

.status-item .value.threshold {
    color: var(--accent-color);
}

.actions {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 28px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1em;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-color);
    color: #000000;
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--accent-glow), 0 4px 16px rgba(212, 255, 0, 0.4);
}

.btn-secondary {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none !important;
}

select.btn {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23D4FF00' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 48px;
}

.loading {
    text-align: center;
    padding: 40px;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.spinner {
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top: 4px solid var(--accent-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
    box-shadow: 0 0 20px var(--accent-glow);
}

.filters-section {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.filter-group label {
    display: block;
    color: var(--text-muted);
    font-size: 0.85em;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.filter-group select {
    width: 100%;
    padding: 12px 16px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    color: var(--text-color);
    font-size: 1em;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-group select:hover {
    border-color: var(--accent-color);
}

.filter-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 20px var(--accent-glow);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.alerts-section h2 {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.badge {
    background: var(--accent-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8em;
}

#alerts-container {
    display: grid;
    gap: 15px;
}

.alert-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 24px;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    border-left: 3px solid var(--accent-color);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.alert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--border-radius);
    padding: 1px;
    background: linear-gradient(135deg, var(--accent-color), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.alert-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(212, 255, 0, 0.2);
    background: rgba(255, 255, 255, 0.08);
}

.alert-card:hover::before {
    opacity: 0.5;
}

.alert-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.alert-ticker {
    font-size: 1.5em;
    font-weight: bold;
    color: var(--text-color);
}

.alert-change {
    font-size: 1.3em;
    font-weight: bold;
    color: var(--danger-color);
}

.alert-score {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--accent-color);
    border-radius: 20px;
    font-size: 0.9em;
    font-weight: 600;
    color: var(--accent-color);
    margin-top: 10px;
}

.score-bar {
    width: 60px;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

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

.recommendation {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8em;
    font-weight: 600;
    margin-top: 8px;
}

.recommendation.strong-buy {
    background: var(--success-color);
    color: #000;
}

.recommendation.buy {
    background: rgba(0, 255, 136, 0.3);
    color: var(--success-color);
}

.recommendation.hold {
    background: rgba(255, 107, 0, 0.3);
    color: var(--warning-color);
}

.recommendation.avoid {
    background: rgba(255, 0, 85, 0.3);
    color: var(--danger-color);
}

.alert-name {
    color: #95a5a6;
    margin-bottom: 10px;
}

.alert-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin-bottom: 10px;
    font-size: 0.9em;
}

.alert-news {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.alert-news h4 {
    color: #95a5a6;
    font-size: 0.9em;
    margin-bottom: 10px;
}

.news-item {
    margin-bottom: 10px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.news-title {
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text-color);
}

.news-summary {
    font-size: 0.85em;
    color: #95a5a6;
    line-height: 1.4;
}

.news-meta {
    font-size: 0.75em;
    color: #7f8c8d;
    margin-top: 5px;
}

.no-alerts {
    text-align: center;
    padding: 60px 20px;
    background: var(--card-bg);
    border-radius: var(--border-radius);
}

.no-alerts p {
    margin-bottom: 10px;
}

.hint {
    color: #95a5a6;
    font-size: 0.9em;
}

.install-section {
    margin-top: 40px;
}

.install-card {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
}

.install-card h3 {
    margin-bottom: 10px;
}

.install-card p {
    margin-bottom: 20px;
    opacity: 0.9;
}

footer {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    color: #95a5a6;
    font-size: 0.9em;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
}

.modal-content {
    background: var(--card-bg);
    margin: 5% auto;
    padding: 30px;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 2em;
    font-weight: bold;
    color: #95a5a6;
    cursor: pointer;
}

.close:hover {
    color: var(--text-color);
}

/* Settings */
.settings-section {
    margin: 30px 0;
    padding: 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
}

.settings-section h3 {
    margin-bottom: 20px;
    color: var(--accent-color);
}

.setting-item {
    margin: 20px 0;
}

.setting-item label {
    display: block;
    color: var(--text-color);
    margin-bottom: 10px;
    font-weight: 500;
}

.setting-item input[type="checkbox"] {
    margin-right: 10px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.setting-item select {
    width: 100%;
    max-width: 400px;
}

.info-box {
    padding: 15px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    border-left: 3px solid var(--accent-color);
}

.info-box p {
    margin: 8px 0;
    color: var(--text-muted);
}

.info-box strong {
    color: var(--text-color);
}

/* Backtest Results */
#backtest-content {
    background: var(--primary-color);
    padding: 20px;
    border-radius: var(--border-radius);
    border: 1px solid var(--accent-color);
    font-family: 'Courier New', monospace;
    white-space: pre-wrap;
    font-size: 0.9em;
    line-height: 1.6;
    color: var(--accent-color);
    max-height: 500px;
    overflow-y: auto;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 2em;
    }

    .status-bar {
        grid-template-columns: 1fr;
    }

    .actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .modal-content {
        width: 95%;
        margin: 10% auto;
    }

    #backtest-content {
        font-size: 0.75em;
    }
}