/* Portfolio Tracker — Dark theme over Bootstrap */

:root {
    --bg-dark: #0d1117;
    --bg-card: #161b22;
    --bg-input: #21262d;
    --border-color: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent-green: #3fb950;
    --accent-red: #f85149;
    --accent-blue: #58a6ff;
    --accent-yellow: #d29922;
}

body.dark-mode {
    background-color: var(--bg-dark);
    color: var(--text-primary);
}

body.dark-mode .navbar {
    background-color: var(--bg-card) !important;
    border-bottom: 1px solid var(--border-color);
}

body.dark-mode .card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
}

body.dark-mode .card-header {
    background-color: rgba(255,255,255,0.03);
    border-bottom: 1px solid var(--border-color);
}

body.dark-mode .form-control,
body.dark-mode .form-select {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

body.dark-mode .form-control:focus,
body.dark-mode .form-select:focus {
    background-color: var(--bg-input);
    color: var(--text-primary);
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 0.2rem rgba(88, 166, 255, 0.25);
}

body.dark-mode .table {
    color: var(--text-primary);
}

body.dark-mode .table > :not(caption) > * > * {
    border-bottom-color: var(--border-color);
    background-color: transparent;
}

body.dark-mode .table-hover tbody tr:hover {
    background-color: rgba(88, 166, 255, 0.05);
}

body.dark-mode .text-muted {
    color: var(--text-secondary) !important;
}

body.dark-mode .btn-outline-secondary {
    border-color: var(--border-color);
    color: var(--text-primary);
}

body.dark-mode .btn-outline-secondary:hover {
    background-color: var(--border-color);
    color: var(--text-primary);
}

body.dark-mode .modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
}

body.dark-mode .modal-header {
    border-bottom-color: var(--border-color);
}

body.dark-mode .modal-footer {
    border-top-color: var(--border-color);
}

body.dark-mode .close {
    color: var(--text-primary);
}

.text-green { color: var(--accent-green) !important; }
.text-red { color: var(--accent-red) !important; }

.summary-card .card {
    border-left: 3px solid var(--accent-blue);
}

.summary-card .card-title {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.summary-card .card-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.badge-green {
    background-color: rgba(63, 185, 80, 0.15);
    color: var(--accent-green);
}

.badge-red {
    background-color: rgba(248, 81, 73, 0.15);
    color: var(--accent-red);
}

.login-card {
    max-width: 400px;
    margin: 10vh auto;
}

.login-card .card {
    border: 1px solid var(--border-color);
}

/* Loading spinner */
.spinner-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

/* Chart placeholder */
#portfolioChart {
    min-height: 300px;
}

/* Responsive tables */
.table-responsive-custom {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Toast notifications */
.toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
}

@media (max-width: 768px) {
    .summary-card .card-value {
        font-size: 1.2rem;
    }
}