/* Treesbiz Chat Reader Admin Panel CSS */
:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --bg-dark: #0f172a;
    --card-bg: #1e293b;
    --card-border: #334155;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-danger: #ef4444;
    --accent-warning: #f59e0b;
}

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

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

/* Navbar */
.navbar {
    background-color: #1e293b;
    border-bottom: 1px solid var(--card-border);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar .brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.nav-links a:hover, .nav-links a.active {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.08);
}

.user-badge {
    font-size: 0.875rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    border: 1px solid var(--card-border);
}

/* Container */
.container {
    max-width: 1200px;
    width: 100%;
    margin: 2rem auto;
    padding: 0 1.5rem;
    flex: 1;
}

.page-title {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

.stat-card .value {
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--text-main);
}

.stat-card .sub-info {
    font-size: 0.8rem;
    color: var(--primary);
    margin-top: 0.4rem;
}

/* Data Tables */
.card-table {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 2rem;
}

.table-header {
    padding: 1.25rem;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th {
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 1rem;
    border-bottom: 1px solid var(--card-border);
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--card-border);
    font-size: 0.9rem;
}

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

/* Badges */
.badge {
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-pro { background: rgba(59, 130, 246, 0.2); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.4); }
.badge-business { background: rgba(139, 92, 246, 0.2); color: #c084fc; border: 1px solid rgba(139, 92, 246, 0.4); }
.badge-free { background: rgba(148, 163, 184, 0.2); color: #cbd5e1; border: 1px solid rgba(148, 163, 184, 0.4); }

.badge-active { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.badge-pending { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.badge-suspended, .badge-rejected { background: rgba(239, 68, 68, 0.2); color: #f87171; }

/* Forms & Buttons */
.btn {
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    border: none;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: background 0.2s ease;
}

.btn-primary { background: var(--primary); color: #000; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-danger { background: var(--accent-danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-secondary { background: #334155; color: #fff; }
.btn-secondary:hover { background: #475569; }

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.form-control {
    width: 100%;
    padding: 0.7rem 0.9rem;
    background: #0f172a;
    border: 1px solid var(--card-border);
    border-radius: 6px;
    color: #fff;
    font-size: 0.9rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.7);
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.modal-content {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    width: 100%;
    max-width: 500px;
    padding: 1.75rem;
}

/* Login Box */
.login-box {
    max-width: 400px;
    margin: 5rem auto;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 2rem;
    border-radius: 12px;
}

.alert {
    padding: 0.8rem 1rem;
    border-radius: 6px;
    margin-bottom: 1.25rem;
    font-size: 0.875rem;
}
.alert-danger { background: rgba(239, 68, 68, 0.2); border: 1px solid var(--accent-danger); color: #f87171; }
.alert-success { background: rgba(16, 185, 129, 0.2); border: 1px solid var(--primary); color: #34d399; }