/* LEDGER - Dark Theme Stylesheet */

:root {
    --bg-main: #0f172a;
    --bg-sidebar: #1e293b;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --bg-input: #0f172a;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #06b6d4;
    --accent-hover: #0891b2;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --border: #334155;
}

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

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

.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.sidebar-header h1 {
    color: var(--accent);
    font-size: 1.5rem;
    font-weight: 700;
}

.sidebar-header .version {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.nav-menu {
    list-style: none;
    padding: 1rem 0;
    flex: 1;
}

.nav-menu li {
    margin: 0;
}

.nav-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.nav-menu a:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.nav-menu a.active {
    background: var(--bg-card-hover);
    color: var(--accent);
    border-left-color: var(--accent);
}

.nav-section {
    padding: 1rem 1.5rem 0.5rem;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 250px;
    min-height: 100vh;
}

.page-header {
    padding: 1.5rem 2rem;
    background: var(--bg-sidebar);
    border-bottom: 1px solid var(--border);
}

.page-header h2 {
    color: var(--accent);
    font-size: 1.5rem;
    font-weight: 600;
}

.content {
    padding: 2rem;
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: 8px;
    border: 1px solid var(--border);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-header {
    color: var(--accent);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card-hover);
    padding: 1.25rem;
    border-radius: 8px;
    border-left: 4px solid var(--accent);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: 8px;
    overflow: hidden;
}

th, td {
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    background: var(--bg-card-hover);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
}

tr:hover {
    background: var(--bg-card-hover);
}

/* Forms */
input, select, textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.2s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
}

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

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

.btn-secondary {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 6px;
    margin-bottom: 1rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.alert-info {
    background: rgba(6, 182, 212, 0.15);
    border: 1px solid var(--accent);
    color: var(--accent);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid var(--warning);
    color: var(--warning);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

.badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
}

/* Utility classes */
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }

/* Amount formatting */
.amount { font-family: 'SF Mono', Monaco, monospace; }
.amount-debit { color: var(--danger); }
.amount-credit { color: var(--success); }

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }
    .main-content {
        margin-left: 0;
    }
    .app-container {
        flex-direction: column;
    }
}