:root {
    --bg-dark: #0f172a;
    --bg-surface: #1e293b;
    --bg-elevated: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.2);
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --border: rgba(255, 255, 255, 0.05);
    --card-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    --sidebar-width: 260px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body.dark-mode {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
}

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

/* Main Content */
.main-content {
    flex: 1;
    padding: 32px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent);
}

/* Floating Action Button */
.floating-btn {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--bg-dark);
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(56, 189, 248, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.3s;
    z-index: 100;
}

.floating-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px var(--accent-glow);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 16px;
}

.avatar {
    width: 40px;
    height: 40px;
    background: var(--accent);
    color: var(--bg-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* KPI Cards */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.kpi-card {
    background: var(--bg-surface);
    padding: 24px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--border);
    transition: transform 0.3s;
}

.kpi-card:hover { transform: translateY(-5px); }

.kpi-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.kpi-icon.net-worth { background: rgba(56, 189, 248, 0.1); color: var(--accent); }
.kpi-icon.assets { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.kpi-icon.liabilities { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.kpi-icon.growth { background: rgba(245, 158, 11, 0.1); color: var(--warning); }

.kpi-data h2 { font-size: 1.8rem; margin: 4px 0; }
.kpi-data .label { color: var(--text-secondary); font-size: 0.85rem; font-weight: 500; }
.sub-label { font-size: 0.75rem; color: var(--text-secondary); }

.change-indicator { font-size: 0.85rem; font-weight: 600; }
.change-indicator.pos { color: var(--success); }
.change-indicator.neg { color: var(--danger); }

/* Charts Area */
.charts-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
    margin-bottom: 32px;
}

.chart-box {
    background: var(--bg-surface);
    padding: 24px;
    border-radius: 16px;
    border: 1px solid var(--border);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.canvas-wrapper { height: 300px; position: relative; }

/* Buttons & Forms */
.btn-primary {
    background: var(--accent);
    color: var(--bg-dark);
    padding: 12px 24px;
    border: none;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
}

.btn-primary:hover { opacity: 0.9; box-shadow: 0 0 15px var(--accent-glow); }

.btn-secondary {
    background: var(--bg-elevated);
    color: var(--text-primary);
    padding: 10px 20px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-secondary:hover { background: var(--bg-surface); }

.btn-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
}

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

.btn-save {
    width: 100%;
    background: var(--success);
    color: white;
    padding: 14px;
    border: none;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: 0.3s;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.2);
}

.btn-save:hover { opacity: 0.9; transform: translateY(-2px); }

.form-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.form-card {
    background: var(--bg-surface);
    width: 100%;
    max-width: 600px;
    border-radius: 20px;
    padding: 32px;
    border: 1px solid var(--border);
    max-height: 90vh;
    overflow-y: auto;
}

.form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 24px 0;
}

.full-width { grid-column: span 2; }
.form-group label { display: block; margin-bottom: 8px; font-size: 0.85rem; color: var(--text-secondary); }
.form-group input {
    width: 100%;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    padding: 12px;
    border-radius: 8px;
    color: white;
    outline: none;
    font-size: 1rem;
}

.form-group input:focus { border-color: var(--accent); }

/* Data Table Actions */
.action-cell {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.btn-edit {
    color: var(--accent);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    padding: 4px;
    transition: 0.2s;
}

.btn-edit:hover { transform: scale(1.2); }

.btn-delete {
    color: var(--danger);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    padding: 4px;
    opacity: 0.6;
    transition: 0.2s;
}

.btn-delete:hover { opacity: 1; transform: scale(1.2); }

.hidden { display: none; }

/* Chart Actions */
.chart-actions {
    display: flex;
    background: var(--bg-dark);
    padding: 4px;
    border-radius: 8px;
    gap: 4px;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
    transition: 0.2s;
}

.btn-icon.active {
    background: var(--bg-elevated);
    color: var(--accent);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.btn-icon:hover:not(.active) {
    color: var(--text-primary);
}

/* Data Table Refinement */
.table-container { 
    overflow-x: auto; 
    margin-top: 10px;
    border-radius: 8px;
}

table { 
    width: 100%; 
    border-collapse: separate; 
    border-spacing: 0;
    min-width: 800px; /* Prevents squishing */
}

th { 
    padding: 16px; 
    color: var(--text-secondary); 
    font-size: 0.75rem; 
    text-transform: uppercase; 
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border);
    background: var(--bg-surface);
    position: sticky;
    top: 0;
}

td { 
    padding: 16px; 
    border-bottom: 1px solid var(--border); 
    font-size: 0.9rem;
    vertical-align: middle;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* Mobile Responsiveness */
@media (max-width: 1024px) {
    .charts-row { grid-template-columns: 1fr; }
    .main-content { padding: 20px; }
    .top-bar { margin-bottom: 20px; }
}

@media (max-width: 768px) {
    table { min-width: 600px; }
    .kpi-grid { grid-template-columns: 1fr 1fr; }
    
    /* Hide specific columns to maintain layout on small screens */
    th:nth-child(2), td:nth-child(2), /* Stocks */
    th:nth-child(3), td:nth-child(3), /* MF */
    th:nth-child(4), td:nth-child(4)  /* Cash */ { 
        display: none; 
    }
    .floating-btn {
        bottom: 24px;
        right: 24px;
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}


@media (max-width: 480px) {
    .kpi-grid { grid-template-columns: 1fr; }
    .top-bar { flex-direction: column; align-items: flex-start; gap: 12px; }
    .logo { font-size: 1.2rem; }
    .user-profile { width: 100%; justify-content: space-between; }
    .form-grid { grid-template-columns: 1fr; }
    .full-width { grid-column: auto; }
}