:root {
    --bg-dark: #09090b;
    --bg-card: #121215;
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.2);
    --text-primary: #ffffff;
    --text-muted: #a1a1aa;
    --border-color: #27272a;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
}

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

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

/* Auth Overlay */
#auth-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-dark);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 40px;
    border-radius: 24px;
    width: 100%;
    max-width: 400px;
    text-align: center;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: sticky;
    top: 0;
}

.logo {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 40px;
    padding-left: 10px;
    letter-spacing: -0.5px;
}

.nav-item {
    padding: 12px 16px;
    border-radius: 12px;
    color: var(--text-muted);
    cursor: pointer;
    transition: 0.2s;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    margin-bottom: 4px;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--accent);
    color: white;
}

/* Main Content Wrapper */
.main-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.header {
    height: 80px;
    padding: 0 40px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.search-bar {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 99px;
    color: white;
    width: 300px;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 15px;
}

.avatar {
    width: 40px;
    height: 40px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

/* Content Area */
.content-area {
    padding: 40px;
    flex: 1;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: 20px;
    margin-bottom: 24px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: 20px;
}

.stat-label {
    color: var(--text-muted);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

/* Badges */
.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-success { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.badge-warning { background: rgba(245, 158, 11, 0.1); color: var(--warning); }
.badge-danger { background: rgba(239, 68, 68, 0.1); color: var(--danger); }

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: 0.2s;
    font-size: 13px;
}

.btn-sm { padding: 6px 12px; font-size: 11px; }

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: white;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.4s ease-out forwards;
}

.hidden { display: none !important; }

/* Utilities */
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--danger); }

/* CRM Inputs */
.input-group {
    text-align: left;
    margin-bottom: 15px;
}

.input-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-muted);
    font-size: 12px;
}

.input-group input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 12px;
    border-radius: 12px;
    color: white;
}