:root {
    --primary-neutral: #1e293b;
    --primary-hover: #0f172a;
    --bg-light: #f1f5f9;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-main: #334155;
    --text-muted: #64748b;
    --nav-bg: #ffffff;
}

body {
    font-family: 'Inter', 'Nunito', sans-serif;
    font-size: 0.9rem;
    background-color: var(--bg-light);
    color: var(--text-main);
    min-height: 100vh;
}

body .container {
    max-width: 100%;
}

.navbar {
    background: var(--nav-bg) !important;
    border-bottom: 2px solid var(--primary-neutral);
    padding: 0.5rem 0;
}

.navbar-brand {
    color: var(--primary-neutral) !important;
    font-weight: 700;
    font-size: 1.1rem;
}

.nav-link {
    color: var(--text-main) !important;
    font-size: 0.85rem;
    font-weight: 500;
}

.nav-link:hover {
    color: var(--primary-neutral) !important;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.card-header {
    background: #f8fafc;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.75rem 1rem;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--primary-neutral);
    font-weight: 600;
}

h2 { font-size: 1.5rem; }
h4 { font-size: 1.1rem; }

.text-muted {
    color: var(--text-muted) !important;
}

.form-label {
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.btn-primary {
    background-color: var(--primary-neutral);
    border: none;
    border-radius: 6px;
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: #fff;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    color: #fff;
    transform: translateY(-0.5px);
}

.form-control {
    font-size: 0.85rem;
    padding: 0.45rem 0.75rem;
    border-radius: 6px;
}

.form-control:focus {
    border-color: var(--primary-neutral);
    box-shadow: 0 0 0 2px rgba(30, 41, 59, 0.1);
}

.dropdown-menu {
    border-radius: 8px;
    font-size: 0.85rem;
}

.dropdown-item:hover {
    background: #f1f5f9;
    color: var(--primary-neutral);
}

.table thead th {
    font-size: 0.75rem;
    padding: 0.6rem 0.75rem;
    background: #f1f5f9;
}

.table td {
    padding: 0.6rem 0.75rem;
    font-size: 0.85rem;
}

.badge {
    padding: 0.3em 0.6em;
    font-size: 0.75rem;
}

.bg-primary { background-color: var(--primary-neutral) !important; }
.bg-info { background-color: #64748b !important; color: #fff; }

.admin-logo-placeholder {
    padding: 12px;
    background: #f1f5f9;
    border: 1px solid var(--border-color);
}