:root {
    --bg-primary: #0f1419;
    --bg-secondary: #1a1f2e;
    --bg-card: #1e2533;
    --bg-hover: #252d3d;
    --text-primary: #ffffff;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent-primary: #6366f1;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition: all 0.2s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.nav-brand i { color: var(--accent-primary); }

.nav-links { display: flex; gap: 0.5rem; }

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.nav-link:hover { color: var(--text-primary); background: var(--bg-hover); }
.nav-link.active { color: white; background: var(--accent-primary); }

.nav-status { display: flex; align-items: center; gap: 1rem; }

.status-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
}

.status-badge i { font-size: 0.5rem; }
.status-running { background: rgba(16,185,129,0.2); color: var(--success); }
.status-stopped { background: rgba(239,68,68,0.2); color: var(--danger); }

.main-content {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.page-header h1 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.75rem;
}

.page-header h1 i { color: var(--accent-primary); }

.header-actions { display: flex; align-items: center; gap: 1rem; }

.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.summary-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
}

.card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
}

.card-icon.bg-primary { background: rgba(99,102,241,0.2); color: var(--accent-primary); }
.card-icon.bg-success { background: rgba(16,185,129,0.2); color: var(--success); }
.card-icon.bg-danger { background: rgba(239,68,68,0.2); color: var(--danger); }
.card-icon.bg-warning { background: rgba(245,158,11,0.2); color: var(--warning); }

.card-content { display: flex; flex-direction: column; }
.card-value { font-size: 1.75rem; font-weight: 700; }
.card-label { color: var(--text-secondary); font-size: 0.875rem; }

.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    background: var(--bg-secondary);
}

.card-header h2, .card-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
}

.card-header i { color: var(--accent-primary); }
.card-body { padding: 1.5rem; }

.table { width: 100%; border-collapse: collapse; }
.table th, .table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.table th {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    background: var(--bg-secondary);
}
.table tr:hover { background: var(--bg-hover); }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-sm { padding: 0.5rem 1rem; font-size: 0.75rem; }
.btn-primary { background: var(--accent-primary); color: white; }
.btn-secondary { background: var(--bg-secondary); color: var(--text-primary); }
.btn-success { background: var(--success); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-outline { background: transparent; border: 1px solid var(--accent-primary); color: var(--accent-primary); }

.badge {
    display: inline-flex;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success { background: rgba(16,185,129,0.2); color: var(--success); }
.badge-danger { background: rgba(239,68,68,0.2); color: var(--danger); }
.badge-neutral { background: rgba(139,148,158,0.2); color: var(--text-secondary); }

.score-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-secondary);
    font-weight: 600;
}

.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-muted { color: var(--text-muted) !important; }

.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-hover);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

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

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.show { display: flex; }

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
}

.modal-body { padding: 1.5rem; }

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.detail-section {
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.detail-section h4 {
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.detail-section p { margin-bottom: 0.5rem; font-size: 0.875rem; }
.detail-section ul { list-style: none; }
.detail-section li { padding: 0.25rem 0; font-size: 0.875rem; }

.progress-bar {
    height: 8px;
    background: var(--bg-hover);
    border-radius: 4px;
    overflow: hidden;
    margin: 0.5rem 0;
}

.progress { height: 100%; border-radius: 4px; }

.footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.form-group { margin-bottom: 1.25rem; }
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.card-full { grid-column: 1 / -1; }

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

.coin-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.coin-item.disabled { opacity: 0.5; }
.coin-info span { font-size: 0.75rem; color: var(--text-secondary); }
.coin-actions { display: flex; align-items: center; gap: 0.75rem; }

.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.switch input { opacity: 0; width: 0; height: 0; }

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg-primary);
    border-radius: 24px;
    transition: var(--transition);
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: var(--transition);
}

input:checked + .slider { background: var(--accent-primary); }
input:checked + .slider:before { transform: translateX(20px); }

.settings-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
}

.result-message { font-size: 0.875rem; font-weight: 500; }
.result-message.success { color: var(--success); }
.result-message.error { color: var(--danger); }

.signals-list { display: flex; flex-direction: column; gap: 1rem; }

.signal-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.signal-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.signal-icon.signal-buy { background: rgba(16,185,129,0.2); color: var(--success); }
.signal-icon.signal-sell { background: rgba(239,68,68,0.2); color: var(--danger); }

.signal-content { flex: 1; }
.signal-header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.25rem; }
.signal-symbol { font-weight: 600; }
.signal-type { font-size: 0.75rem; font-weight: 600; }
.signal-type.signal-buy { color: var(--success); }
.signal-type.signal-sell { color: var(--danger); }
.signal-details { display: flex; gap: 1rem; font-size: 0.75rem; color: var(--text-secondary); }
.signal-time { text-align: right; }
.time-ago { font-size: 0.875rem; font-weight: 500; }
.signal-time small { color: var(--text-muted); }

.stats-row {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-md);
}

.stat-item { display: flex; flex-direction: column; }
.stat-value { font-size: 1.5rem; font-weight: 700; }
.stat-label { font-size: 0.75rem; color: var(--text-secondary); }

.no-data {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.no-data i { font-size: 3rem; margin-bottom: 1rem; opacity: 0.5; }

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.scanner-control {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.modal-sm { max-width: 400px; }
.btn-block { width: 100%; }
.btn-lg { padding: 1rem 2rem; }