/* ============================================
   ROBSTOCK CUSTOM STYLES
   ============================================ */

:root {
    --primary-color: #0d6efd;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --light-bg: #f8f9fa;
    --border-radius: 8px;
}

body {
    background-color: var(--light-bg);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* Navigation */
.navbar {
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 600;
}

/* Cards */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 4px rgba(0,0,0,0.08);
    transition: box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.12);
}

.card-header {
    border-bottom: 2px solid var(--light-bg);
    font-weight: 600;
}

/* Table */
.table {
    margin-bottom: 0;
}

.table thead th {
    border-bottom: 2px solid #dee2e6;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #6c757d;
}

.table tbody tr {
    transition: background-color 0.2s ease;
}

.table tbody tr:hover {
    background-color: rgba(13, 110, 253, 0.05);
}

/* Ticker Badge */
.ticker-badge {
    background-color: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
    display: inline-block;
}

/* Price Changes */
.price-positive {
    color: var(--success-color);
    font-weight: 600;
}

.price-negative {
    color: var(--danger-color);
    font-weight: 600;
}

.price-neutral {
    color: #6c757d;
}

.change-badge {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 600;
}

.change-positive {
    background-color: rgba(25, 135, 84, 0.1);
    color: var(--success-color);
}

.change-negative {
    background-color: rgba(220, 53, 69, 0.1);
    color: var(--danger-color);
}

/* Buttons */
.btn-delete {
    color: var(--danger-color);
    transition: all 0.2s ease;
}

.btn-delete:hover {
    color: white;
    background-color: var(--danger-color);
}

/* Stats Cards */
.card-body h2 {
    color: var(--primary-color);
    font-weight: 700;
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Loading States */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 4px;
    height: 20px;
    margin: 5px 0;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Empty State */
#emptyState i {
    opacity: 0.3;
}

/* Form Inputs */
.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Responsive */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .card-body h2 {
        font-size: 1.5rem;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

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

.fade-in {
    animation: fadeIn 0.3s ease;
}

/* Target Price Indicator */
.target-indicator {
    font-size: 0.75rem;
    color: #6c757d;
}

.target-reached {
    color: var(--success-color);
    font-weight: 600;
}

/* Last Update Timestamp */
#lastUpdate {
    font-size: 0.875rem;
}

/* Footer */
footer {
    border-top: 1px solid #dee2e6;
    margin-top: 4rem;
}