/* ============================================================
   CSS Variables — Dark / Light theme
   ============================================================ */
:root,
[data-theme="dark"] {
    --bg:          #0f1117;
    --bg2:         #161b27;
    --bg3:         #1c2333;
    --border:      #242d40;
    --border2:     #2d3a52;
    --text:        #e2e8f0;
    --text2:       #94a3b8;
    --text3:       #64748b;
    --blue:        #4f8ef7;
    --blue-bg:     rgba(79,142,247,0.12);
    --green:       #22c55e;
    --green-bg:    rgba(34,197,94,0.12);
    --red:         #ef4444;
    --red-bg:      rgba(239,68,68,0.12);
    --yellow:      #f59e0b;
    --yellow-bg:   rgba(245,158,11,0.12);
    --purple:      #a855f7;
    --purple-bg:   rgba(168,85,247,0.12);
    --orange:      #f97316;
    --orange-bg:   rgba(249,115,22,0.12);
    --navbar-h:    52px;
    --shadow:      0 4px 24px rgba(0,0,0,0.4);
    --radius:      10px;
    --radius-lg:   14px;
}

[data-theme="light"] {
    --bg:          #f1f5f9;
    --bg2:         #ffffff;
    --bg3:         #f8fafc;
    --border:      #e2e8f0;
    --border2:     #cbd5e1;
    --text:        #1e293b;
    --text2:       #475569;
    --text3:       #94a3b8;
    --blue:        #3b82f6;
    --blue-bg:     rgba(59,130,246,0.10);
    --green:       #16a34a;
    --green-bg:    rgba(22,163,74,0.10);
    --red:         #dc2626;
    --red-bg:      rgba(220,38,38,0.10);
    --yellow:      #d97706;
    --yellow-bg:   rgba(217,119,6,0.10);
    --purple:      #9333ea;
    --purple-bg:   rgba(147,51,234,0.10);
    --orange:      #ea580c;
    --orange-bg:   rgba(234,88,12,0.10);
    --shadow:      0 4px 24px rgba(0,0,0,0.08);
}

/* ============================================================
   Reset & Base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-size: 0.9rem;
    line-height: 1.5;
    transition: background 0.2s, color 0.2s;
}

/* ============================================================
   Navbar
   ============================================================ */
.app-navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.navbar-inner {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0 1.25rem;
    height: var(--navbar-h);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text) !important;
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
}
.navbar-brand i { color: var(--blue); font-size: 1.1rem; }

.navbar-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex: 1;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.7rem;
    border-radius: 7px;
    color: var(--text2) !important;
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 500;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
}
.nav-link:hover { background: var(--bg3); color: var(--text) !important; }
.nav-link.active {
    background: var(--blue-bg);
    color: var(--blue) !important;
}
.nav-link i { font-size: 0.85rem; opacity: 0.8; }

.navbar-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
    flex-shrink: 0;
}

.theme-toggle {
    width: 32px; height: 32px;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text2);
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.85rem;
    transition: background 0.15s, color 0.15s;
    flex-shrink: 0;
}
.theme-toggle:hover { background: var(--border); color: var(--text); }

.nav-user {
    color: var(--text2);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}
.nav-user i { font-size: 1rem; }

.btn-logout {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    background: transparent;
    border: 1px solid var(--blue);
    color: var(--blue) !important;
    border-radius: 7px;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.28rem 0.7rem;
    text-decoration: none;
    transition: background 0.15s;
    white-space: nowrap;
}
.btn-logout:hover { background: var(--blue); color: white !important; }

.hamburger {
    display: none;
    width: 32px; height: 32px;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 7px;
    color: var(--text2);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

/* Mobile menu */
.mobile-menu {
    display: none;
    flex-direction: column;
    padding: 0.5rem 1.25rem 0.75rem;
    border-top: 1px solid var(--border);
    gap: 0.15rem;
}
.mobile-menu.open { display: flex; }
.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: 7px;
    color: var(--text2);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: background 0.15s;
}
.mobile-nav-link:hover { background: var(--bg3); color: var(--text); }
.mobile-nav-link.active { background: var(--blue-bg); color: var(--blue); }

/* ============================================================
   Page wrapper
   ============================================================ */
.page-wrapper {
    padding: 1.5rem;
    max-width: 1440px;
    margin: 0 auto;
}

/* ============================================================
   Stat Cards
   ============================================================ */
.stat-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    height: 100%;
}
.stat-card:hover {
    border-color: var(--blue);
    box-shadow: 0 0 0 1px var(--blue-bg);
}
.stat-icon {
    width: 42px; height: 42px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}
.stat-body { display: flex; flex-direction: column; gap: 0.1rem; }
.stat-value { font-size: 1.9rem; font-weight: 800; color: var(--text); line-height: 1; }
.stat-label { color: var(--text3); font-size: 0.75rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.04em; }
.stat-sub { color: var(--text2); font-size: 0.78rem; margin-top: 0.15rem; }

/* ============================================================
   Cards
   ============================================================ */
.card-app {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.card-header-app {
    padding: 0.875rem 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
}
.card-title {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text2);
}
.card-body-app { padding: 1.25rem; }

/* ============================================================
   Tables (DataTables compatible)
   ============================================================ */
.table {
    color: var(--text);
    border-color: var(--border);
    margin-bottom: 0;
}
.table thead th {
    background: var(--bg3);
    color: var(--text3);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-color: var(--border);
    padding: 0.6rem 0.75rem;
    white-space: nowrap;
}
.table tbody td {
    border-color: var(--border);
    font-size: 0.85rem;
    vertical-align: middle;
    padding: 0.55rem 0.75rem;
}
.table tbody tr:hover { background: var(--bg3); }

/* DataTables custom styling */
.dataTables_wrapper .dataTables_filter label,
.dataTables_wrapper .dataTables_length label { color: var(--text2); font-size: 0.8rem; }
.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
    background: var(--bg3) !important;
    border: 1px solid var(--border) !important;
    color: var(--text) !important;
    border-radius: 6px !important;
    padding: 0.25rem 0.5rem !important;
    font-size: 0.8rem !important;
}
.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate { color: var(--text3); font-size: 0.78rem; margin-top: 0.75rem; }
.dataTables_wrapper .dataTables_paginate .paginate_button {
    color: var(--text2) !important;
    border-radius: 6px !important;
    border: none !important;
    background: transparent !important;
    font-size: 0.8rem !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: var(--bg3) !important;
    color: var(--text) !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--blue) !important;
    color: white !important;
    border-color: var(--blue) !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.disabled {
    color: var(--text3) !important;
}

/* ============================================================
   Badges
   ============================================================ */
.badge-wa {
    display: inline-flex; align-items: center; gap: 0.25rem;
    background: var(--green-bg); color: var(--green);
    border: 1px solid rgba(34,197,94,0.25);
    font-size: 0.7rem; padding: 0.18rem 0.5rem; border-radius: 5px;
    font-weight: 600; white-space: nowrap;
}
.badge-no-wa {
    display: inline-flex; align-items: center;
    background: var(--red-bg); color: var(--red);
    border: 1px solid rgba(239,68,68,0.25);
    font-size: 0.7rem; padding: 0.18rem 0.5rem; border-radius: 5px;
    font-weight: 600;
}

/* Status badges */
.badge-status {
    display: inline-flex; align-items: center; gap: 0.25rem;
    font-size: 0.7rem; padding: 0.18rem 0.55rem;
    border-radius: 5px; font-weight: 600;
}
.badge-masuk  { background: var(--green-bg);  color: var(--green);  border: 1px solid rgba(34,197,94,0.2); }
.badge-izin   { background: var(--blue-bg);   color: var(--blue);   border: 1px solid rgba(79,142,247,0.2); }
.badge-sakit  { background: var(--yellow-bg); color: var(--yellow); border: 1px solid rgba(245,158,11,0.2); }
.badge-libur  { background: var(--red-bg);    color: var(--red);    border: 1px solid rgba(239,68,68,0.2); }
.badge-belum  { background: var(--bg3);       color: var(--text3);  border: 1px solid var(--border); }

/* ============================================================
   Forms
   ============================================================ */
.form-control, .form-select {
    background: var(--bg3) !important;
    border: 1px solid var(--border) !important;
    color: var(--text) !important;
    border-radius: 7px !important;
    font-size: 0.85rem !important;
    transition: border-color 0.15s !important;
}
.form-control:focus, .form-select:focus {
    border-color: var(--blue) !important;
    box-shadow: 0 0 0 2px var(--blue-bg) !important;
    outline: none !important;
}
.form-control::placeholder { color: var(--text3) !important; }
.form-select option { background: var(--bg2); color: var(--text); }
.form-label { color: var(--text2); font-size: 0.82rem; font-weight: 600; margin-bottom: 0.35rem; }

/* ============================================================
   Buttons
   ============================================================ */
.btn-app {
    display: inline-flex; align-items: center; gap: 0.35rem;
    padding: 0.4rem 0.9rem;
    border-radius: 7px; font-size: 0.82rem; font-weight: 600;
    cursor: pointer; border: none; text-decoration: none;
    transition: opacity 0.15s, background 0.15s;
    white-space: nowrap;
}
.btn-app:hover { opacity: 0.88; }
.btn-primary-app   { background: var(--blue);   color: white; }
.btn-success-app   { background: var(--green);  color: white; }
.btn-danger-app    { background: var(--red);    color: white; }
.btn-warning-app   { background: var(--yellow); color: white; }
.btn-ghost         { background: var(--bg3); color: var(--text2); border: 1px solid var(--border); }
.btn-ghost:hover   { background: var(--border); color: var(--text); opacity: 1; }
.btn-icon          { width: 30px; height: 30px; padding: 0; justify-content: center; border-radius: 7px; }

/* ============================================================
   Section title / page header
   ============================================================ */
.page-header { margin-bottom: 1.25rem; }
.page-title { font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: 0.15rem; }
.page-subtitle { font-size: 0.8rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.05em; }

/* ============================================================
   Rekap kelas mini cards
   ============================================================ */
.rekap-mini {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.65rem 0.85rem;
    font-size: 0.78rem;
}
.rekap-mini .rm-title { font-weight: 700; color: var(--text); margin-bottom: 0.2rem; }
.rekap-mini .rm-sub   { color: var(--text3); font-size: 0.72rem; margin-bottom: 0.25rem; }

/* ============================================================
   Progress bar
   ============================================================ */
.progress-app {
    height: 5px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 0.35rem;
}
.progress-bar-app {
    height: 100%;
    border-radius: 3px;
    background: var(--green);
    transition: width 0.4s;
}

/* ============================================================
   Footer
   ============================================================ */
.app-footer {
    text-align: center;
    padding: 1.25rem;
    color: var(--text3);
    font-size: 0.75rem;
    border-top: 1px solid var(--border);
    margin-top: 2rem;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 768px) {
    .navbar-links { display: none; }
    .hamburger    { display: flex; }
    .nav-user span { display: none; }
    .btn-logout span { display: none; }
    .page-wrapper { padding: 1rem; }
}

@media (max-width: 480px) {
    .stat-value { font-size: 1.6rem; }
    .navbar-brand span { display: none; }
}