:root {
    --bg: #f6f7f9;
    --surface: #ffffff;
    --border: #e3e6ea;
    --text: #0f172a;
    --muted: #6b7280;
    --accent: #1d4ed8;
    --accent-soft: rgba(29, 78, 216, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    color: #153eae;
}

.app-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.navbar {
    border-bottom: 1px solid var(--border);
    background: var(--surface);
}

.navbar-brand {
    font-weight: 600;
    letter-spacing: -0.2px;
}

.badge-role {
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 600;
    border: 1px solid rgba(29, 78, 216, 0.2);
}

.hero {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 24px;
}

.module-card,
.card-soft {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
}

.module-card .card-body {
    padding: 18px;
}

.module-title {
    font-size: 15px;
    font-weight: 600;
}

.module-meta {
    color: var(--muted);
    font-size: 12px;
}

.table thead th {
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--muted);
    border-bottom: 1px solid var(--border);
}

.table td {
    vertical-align: middle;
}

.form-control,
.form-select {
    border-radius: 8px;
    border-color: var(--border);
    font-size: 14px;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.12);
}

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    border-radius: 8px;
    font-weight: 600;
}

.btn-outline-secondary {
    border-radius: 8px;
}

.section-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
}

.footer {
    margin-top: auto;
    padding: 24px 0;
    color: var(--muted);
    font-size: 12px;
}

.toast {
    border-radius: 10px;
    border: 1px solid var(--border);
    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.08);
}

.search-input {
    max-width: 280px;
}

.empty-state {
    border: 1px dashed var(--border);
    border-radius: 10px;
    padding: 18px;
    color: var(--muted);
    background: #fafbfc;
}