/* ===========================
   Employee Module — Shared Styles
   Reuses your existing colour & typography language
   =========================== */
:root {
    --primary: #B91C1C;
    --secondary: #1E40AF;
    --accent-green: #059669;
    --accent-green-bg: rgba(5,150,105,0.08);
    --bg-page: #f8fafc;
    --bg-card: #ffffff;
    --border: #e2e8f0;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --hover-bg: #f1f5f9;
    --radius: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.06), 0 2px 4px -1px rgba(0,0,0,0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --transition: all 0.2s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-page);
    color: var(--text-main);
    line-height: 1.5;
    min-height: 100vh;
}

/* --- Top Navigation --- */
.app-nav {
    background: white;
    border-bottom: 1px solid var(--border);
    padding: 14px 24px;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 16px;
}
.nav-logo {
    width: 42px;
    height: 42px;
    object-fit: contain;
}
.nav-content h1 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.02em;
}
.nav-content .module-tag {
    margin-left: auto;
    padding: 6px 14px;
    background: var(--accent-green-bg);
    color: var(--accent-green);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* --- Page wrapper --- */
.page-wrap {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

/* --- Back link --- */
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 0;
    transition: var(--transition);
    margin-bottom: 8px;
}
.back-btn:hover { color: var(--accent-green); }

/* --- Page header --- */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    margin: 12px 0 28px;
}
.page-header h2 {
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.02em;
}
.page-header .subtitle {
    color: var(--text-muted);
    margin-top: 4px;
    font-size: 0.95rem;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    font-family: inherit;
}
.btn-primary {
    background: var(--accent-green);
    color: white;
}
.btn-primary:hover {
    background: #047857;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
.btn-secondary {
    background: white;
    color: var(--text-main);
    border: 1px solid var(--border);
}
.btn-secondary:hover {
    background: var(--hover-bg);
    border-color: var(--text-light);
}
.btn-danger {
    background: white;
    color: var(--primary);
    border: 1px solid var(--border);
}
.btn-danger:hover {
    background: rgba(185,28,28,0.05);
    border-color: var(--primary);
}

/* --- Filter bar --- */
.filter-bar {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 24px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}
.search-box {
    position: relative;
    flex-grow: 1;
    min-width: 220px;
}
.search-box input {
    width: 100%;
    padding: 10px 14px 10px 38px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
    background: var(--bg-page);
}
.search-box input:focus {
    border-color: var(--accent-green);
    background: white;
    box-shadow: 0 0 0 3px rgba(5,150,105,0.1);
}
.search-box svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}
.filter-select {
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    background: white;
    color: var(--text-main);
    cursor: pointer;
    outline: none;
    transition: var(--transition);
}
.filter-select:focus { border-color: var(--accent-green); }

/* --- Stats row --- */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}
.stat-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px;
}
.stat-card .label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-bottom: 8px;
}
.stat-card .value {
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.02em;
}
.stat-card.green .value { color: var(--accent-green); }
.stat-card.blue .value { color: var(--secondary); }
.stat-card.red .value { color: var(--primary); }

/* --- Employee grid --- */
.emp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}
.emp-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 14px;
    box-shadow: var(--shadow-sm);
}
.emp-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: #a7f3d0;
}
.emp-card-top {
    display: flex;
    align-items: center;
    gap: 14px;
}
.emp-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--accent-green-bg);
    color: var(--accent-green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
    overflow: hidden;
}
.emp-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.emp-card-info { flex-grow: 1; min-width: 0; }
.emp-card-info h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 2px;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.emp-card-info .role {
    font-size: 0.85rem;
    color: var(--text-muted);
}
.emp-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 14px;
    font-size: 0.82rem;
    color: var(--text-muted);
    padding-top: 12px;
    border-top: 1px solid var(--border);
}
.emp-card-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* --- Status badges --- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.badge-active { background: rgba(5,150,105,0.1); color: var(--accent-green); }
.badge-inactive { background: rgba(100,116,139,0.12); color: var(--text-muted); }
.badge-onleave { background: rgba(217,119,6,0.1); color: #d97706; }

/* --- Detail page layout --- */
.detail-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 24px;
    align-items: flex-start;
}
.detail-sidebar {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    text-align: center;
    position: sticky;
    top: 84px;
    box-shadow: var(--shadow-sm);
}
.detail-avatar {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: var(--accent-green-bg);
    color: var(--accent-green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 2.6rem;
    margin: 0 auto 16px;
    overflow: hidden;
}
.detail-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.detail-sidebar h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.detail-sidebar .role {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 14px;
}
.detail-sidebar .info-list {
    list-style: none;
    text-align: left;
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
}
.info-list li {
    display: flex;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.9rem;
}
.info-list li .ico {
    color: var(--text-light);
    flex-shrink: 0;
    margin-top: 2px;
}
.info-list li .lbl {
    color: var(--text-muted);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    display: block;
    margin-bottom: 2px;
}
.info-list li .val {
    color: var(--text-main);
    font-weight: 500;
    word-break: break-word;
}

/* --- Detail tabs --- */
.detail-main {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.tab-bar {
    display: flex;
    border-bottom: 1px solid var(--border);
    background: var(--bg-page);
    padding: 0 8px;
    overflow-x: auto;
}
.tab-btn {
    padding: 14px 20px;
    background: none;
    border: none;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}
.tab-btn:hover { color: var(--text-main); }
.tab-btn.active {
    color: var(--accent-green);
    border-bottom-color: var(--accent-green);
}
.tab-content {
    padding: 24px;
    min-height: 360px;
}
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* --- Tables --- */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.93rem;
}
.data-table thead {
    background: var(--bg-page);
}
.data-table th {
    text-align: left;
    padding: 12px 16px;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
}
.data-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text-main);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--hover-bg); }

/* --- Document grid --- */
.doc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
}
.doc-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.doc-card:hover {
    border-color: var(--accent-green);
    box-shadow: var(--shadow-md);
}
.doc-icon {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    background: rgba(30,64,175,0.08);
    color: var(--secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}
.doc-card .doc-name {
    font-weight: 600;
    color: var(--text-main);
}
.doc-card .doc-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* --- Form styles --- */
.form-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    max-width: 760px;
    box-shadow: var(--shadow-sm);
}
.form-section-title {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: 24px 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}
.form-section-title:first-child { margin-top: 0; }
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
}
.form-group input,
.form-group select,
.form-group textarea {
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
    transition: var(--transition);
    background: white;
    color: var(--text-main);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px rgba(5,150,105,0.1);
}
.form-group .hint {
    font-size: 0.8rem;
    color: var(--text-muted);
}
.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    justify-content: flex-end;
    flex-wrap: wrap;
}

/* --- Empty state --- */
.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--text-muted);
}
.empty-state svg { color: var(--text-light); margin-bottom: 12px; }
.empty-state p { margin-bottom: 16px; }

/* --- Mobile --- */
@media (max-width: 900px) {
    .detail-grid { grid-template-columns: 1fr; }
    .detail-sidebar { position: static; }
}
@media (max-width: 600px) {
    .page-wrap { padding: 16px; }
    .page-header h2 { font-size: 1.5rem; }
    .nav-content h1 { font-size: 1.1rem; }
    .nav-content .module-tag { display: none; }
    .stat-card .value { font-size: 1.5rem; }
    .data-table th, .data-table td { padding: 10px 12px; font-size: 0.85rem; }
    .form-card { padding: 18px; }
}