@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    --bg-dark: #0f111a;
    --sidebar-bg: rgba(18, 20, 30, 0.6);
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    
    --primary: #6366f1; /* Indigo */
    --primary-hover: #4f46e5;
    
    --accent-emerald: #10b981;
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;
    --accent-blue: #3b82f6;
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    --font-family: 'Outfit', sans-serif;
    color-scheme: dark;
}

[data-theme="light"] {
    --bg-dark: #f8fafc;
    --sidebar-bg: rgba(255, 255, 255, 0.8);
    --card-bg: rgba(255, 255, 255, 0.7);
    --card-border: rgba(0, 0, 0, 0.1);
    
    --text-main: #0f111a;
    --text-muted: #475569;
    color-scheme: light;
}

[data-theme="light"] .wordmark-img {
    /* Inverts white to black, then hue-rotates the inverted blue (orange) back to blue */
    filter: invert(1) hue-rotate(180deg) brightness(1.2) contrast(1.2);
}

body {
    margin: 0;
    font-family: var(--font-family);
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.15), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(139, 92, 246, 0.15), transparent 25%);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Glassmorphism Utilities */
.glass-effect, .glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.15);
}

/* Base Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    font-family: inherit;
    text-decoration: none;
    box-sizing: border-box;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid var(--card-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Layout Framework */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    background: var(--sidebar-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
    padding: 2rem 1.5rem;
    position: sticky;
    top: 0;
    height: 100vh;
    box-sizing: border-box;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
    color: var(--text-main);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
}

.sidebar-logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 0.75rem;
    transition: all 0.2s ease;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.nav-link:hover, .nav-link.active {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
}

.nav-link.active {
    border-left: 3px solid var(--primary);
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.1), transparent);
}

.main-content {
    flex: 1;
    padding: 2.5rem 3rem;
    box-sizing: border-box;
    max-width: 1600px;
    min-width: 0;
    overflow-x: hidden;
}

/* Dashboard Grid */
.metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.metric-card {
    position: relative;
    overflow: hidden;
    padding: 1.5rem;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), transparent);
}

.metric-card.emerald::before { background: linear-gradient(90deg, var(--accent-emerald), transparent); }
.metric-card.purple::before { background: linear-gradient(90deg, var(--accent-purple), transparent); }
.metric-card.pink::before { background: linear-gradient(90deg, var(--accent-pink), transparent); }
.metric-card.blue::before { background: linear-gradient(90deg, var(--accent-blue), transparent); }

.metric-label {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-main);
}

/* Typography & Tables */
h1, h2, h3 { margin-top: 0; font-weight: 600; }
h1 { font-size: 2rem; margin-bottom: 0.5rem; }
.subtitle { color: var(--text-muted); margin-bottom: 2.5rem; }

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

th {
    text-align: left;
    padding: 1rem;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--card-border);
}

td {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

tr:last-child td { border-bottom: none; }

/* Status Badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-active { background: rgba(16, 185, 129, 0.1); color: var(--accent-emerald); border: 1px solid rgba(16, 185, 129, 0.2); }
.badge-inactive { background: rgba(239, 68, 68, 0.1); color: #ef4444; border: 1px solid rgba(239, 68, 68, 0.2); }

/* Form Elements */
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-size: 0.875rem; font-weight: 500; color: var(--text-muted); }
.form-group input:not([type="checkbox"]), .form-group select {
    width: 100%; padding: 0.75rem;
    background: var(--bg-dark);
    border: 1px solid var(--card-border);
    color: var(--text-main);
    border-radius: 0.5rem; font-family: inherit;
    box-sizing: border-box; transition: all 0.2s;
}
.form-group input:not([type="checkbox"]):focus, .form-group select:focus {
    outline: none; border-color: var(--primary); background: rgba(255,255,255,0.08);
}
.form-group select option {
    background: var(--bg-dark);
    color: var(--text-main);
}

/* Login specific overrides */
.login-wrapper {
    display: flex; justify-content: center; align-items: center; min-height: 100vh;
}
.login-card {
    padding: 2.5rem; border-radius: 1rem; width: 100%; max-width: 400px; box-sizing: border-box;
}
.login-header h1 { color: var(--text-main); }