:root {
    --bg-color: #0f172a;
    /* Slate 900 */
    --card-bg: rgba(30, 41, 59, 0.7);
    /* Slate 800 with opacity */
    --text-primary: #f8fafc;
    /* Slate 50 */
    --text-secondary: #94a3b8;
    /* Slate 400 */
    --accent-color: #3b82f6;
    /* Blue 500 */
    --accent-hover: #2563eb;
    /* Blue 600 */
    --success-color: #10b981;
    /* Emerald 500 */
    --danger-color: #ef4444;
    /* Red 500 */
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* Glassmorphism Utilities */
.glass-panel {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: var(--glass-border);
    border-radius: 1rem;
    box-shadow: var(--glass-shadow);
}

/* ... (Skipping Auth styles changes, they remain valid as they have their own auth-container flex) ... */

/* Dashboard Layout */
body.dashboard-layout {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    height: 100vh;
    overflow: hidden;
}

.sidebar {
    width: 260px;
    background: rgba(15, 23, 42, 0.95);
    border-right: var(--glass-border);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    /* Prevent sidebar from shrinking */
    height: 100%;
    z-index: 10;
}

.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    position: relative;
    height: 100%;
    box-sizing: border-box;
}

/* Utility Classes */
.text-success {
    color: var(--success-color);
}

.text-danger {
    color: var(--danger-color);
}

.mt-4 {
    margin-top: 1rem;
}