:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary: #64748b;
    --accent: #0ea5e9;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --background: #f8fafc;
    --card: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --radius: 12px;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

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

body {
    background-color: var(--background);
    color: var(--text-main);
    line-height: 1.5;
    overflow-x: hidden;
    word-wrap: break-word;
}

/* Typography */
h1, h2, h3 {
    color: var(--text-main);
    font-weight: 700;
}

/* Auth Pages */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-card {
    background: var(--card);
    width: 100%;
    max-width: 400px;
    padding: 2.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.logo {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 1.5rem;
    display: block;
}

.logo span {
    color: var(--accent);
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
    text-align: left;
    width: 100%;
}

label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

input, select, textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.2s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    text-decoration: none;
    gap: 0.5rem;
}

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

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

.btn-block {
    width: 100%;
}

.btn-archive {
    background: #475569;
    color: white;
    font-size: 0.875rem;
    padding: 0.6rem 1.25rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.btn-archive:hover {
    background: #334155;
    transform: translateY(-1px);
}

.btn-pending {
    background: var(--warning);
    color: white;
    font-size: 0.875rem;
    padding: 0.6rem 1.25rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.btn-pending:hover {
    background: #d97706;
    transform: translateY(-1px);
}

.btn-active {
    background: #f1f5f9;
    color: #475569;
    font-size: 0.875rem;
    padding: 0.6rem 1.25rem;
    border: 1px solid #e2e8f0;
}

.btn-active:hover {
    background: #e2e8f0;
    color: #1e293b;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8125rem;
}

/* Dashboard Layout */
.dashboard-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
}

.dashboard-grid {
    display: grid;
    gap: 2rem;
    align-items: start;
}

.agent-grid {
    grid-template-columns: 1fr 1.5fr;
}

.admin-grid {
    grid-template-columns: 1fr;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--card);
    border-radius: var(--radius);
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--card);
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    width: 100%;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
}

/* Tables */
.table-container {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    padding: 1rem;
    background: #f8fafc;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9375rem;
}

/* Alert Messages */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}

.alert-error {
    background: #fef2f2;
    color: var(--danger);
    border: 1px solid #fee2e2;
}

.alert-success {
    background: #f0fdf4;
    color: var(--success);
    border: 1px solid #dcfce7;
}

/* Mobile Specific */
@media (max-width: 992px) {
    .agent-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .dashboard-container {
        padding: 1rem;
    }
    
    .stat-card {
        padding: 1.25rem;
    }

    nav {
        flex-direction: column;
        gap: 1.25rem;
        padding: 1.25rem;
        text-align: center;
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
        font-size: 0.875rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .btn {
        width: 100%;
        padding: 0.75rem 1rem;
    }
}

@media (max-width: 480px) {
    .stat-card {
        padding: 1rem;
    }

    h1 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
}