/* ── HKERP Admin Theme ─────────────────────────────────────── */
/* All colors through CSS custom properties. Dark mode via      */
/* [data-theme="dark"] — never hardcode colors in components.   */

:root {
    --hk-primary: #2c6e49;
    --hk-primary-hover: #245a3b;
    --hk-primary-rgb: 44, 110, 73;
    --hk-sidebar-width: 260px;
    --hk-topbar-height: 56px;

    /* Light theme (default) */
    --hk-bg: #f5f6fa;
    --hk-sidebar-bg: #1a1d21;
    --hk-sidebar-text: #a0aec0;
    --hk-sidebar-active: #ffffff;
    --hk-sidebar-active-bg: rgba(255,255,255,0.08);
    --hk-card-bg: #ffffff;
    --hk-text: #2d3748;
    --hk-text-muted: #718096;
    --hk-border: #e2e8f0;

    /* Semantic status colors — light */
    --hk-success: #28a745;
    --hk-danger: #dc3545;
    --hk-warning: #856404;

    /* Badge colors — light */
    --hk-badge-ontime-bg: #d4edda;
    --hk-badge-ontime-fg: #155724;
    --hk-badge-late-bg: #fff3cd;
    --hk-badge-late-fg: #856404;
    --hk-badge-absent-bg: #f8d7da;
    --hk-badge-absent-fg: #721c24;
    --hk-badge-holiday-bg: #e2e3e5;
    --hk-badge-holiday-fg: #383d41;
    --hk-badge-pending-bg: #d6d8db;
    --hk-badge-pending-fg: #6c757d;

    /* Form controls — light */
    --hk-input-bg: #ffffff;
    --hk-input-border: #ced4da;
    --hk-input-text: #495057;
}

[data-theme="dark"] {
    --hk-bg: #0f1117;
    --hk-sidebar-bg: #161922;
    --hk-card-bg: #1a1d28;
    --hk-text: #e2e8f0;
    --hk-text-muted: #a0aec0;
    --hk-border: #2d3748;

    --hk-success: #7ee2a8;
    --hk-danger: #e27e7e;
    --hk-warning: #e2c07e;

    --hk-badge-ontime-bg: #1a3a2a;
    --hk-badge-ontime-fg: #7ee2a8;
    --hk-badge-late-bg: #3a2e1a;
    --hk-badge-late-fg: #e2c07e;
    --hk-badge-absent-bg: #3a1a1a;
    --hk-badge-absent-fg: #e27e7e;
    --hk-badge-holiday-bg: #2a2a2a;
    --hk-badge-holiday-fg: #a0a0a0;
    --hk-badge-pending-bg: #252525;
    --hk-badge-pending-fg: #808080;

    --hk-input-bg: #1e2130;
    --hk-input-border: #3a3f55;
    --hk-input-text: #e2e8f0;
}

/* ── Reset & Base ─────────────────────────────────────────── */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--hk-bg);
    color: var(--hk-text);
    overflow-x: hidden;
}

/* ── Bootstrap overrides via variables ─────────────────────── */
.btn-primary {
    --bs-btn-bg: var(--hk-primary);
    --bs-btn-border-color: var(--hk-primary);
    --bs-btn-hover-bg: var(--hk-primary-hover);
    --bs-btn-hover-border-color: var(--hk-primary-hover);
}

.card {
    --bs-card-bg: var(--hk-card-bg);
    --bs-card-border-color: var(--hk-border);
    --bs-card-cap-bg: transparent;
    border-radius: 0.5rem;
}

.card-header {
    color: var(--hk-text);
    border-bottom-color: var(--hk-border);
}

.table {
    --bs-table-color: var(--hk-text);
    --bs-table-bg: transparent;
    --bs-table-hover-bg: rgba(var(--hk-primary-rgb), 0.04);
    --bs-table-border-color: var(--hk-border);
}

.table thead th {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--hk-text-muted);
    font-weight: 600;
    border-bottom-width: 2px;
}

.table td { vertical-align: middle; }

.form-control, .form-select {
    background-color: var(--hk-input-bg);
    border-color: var(--hk-input-border);
    color: var(--hk-input-text);
}
.form-control:focus, .form-select:focus {
    background-color: var(--hk-input-bg);
    color: var(--hk-input-text);
    border-color: var(--hk-primary);
    box-shadow: 0 0 0 0.2rem rgba(var(--hk-primary-rgb), 0.25);
}

.dropdown-menu {
    background-color: var(--hk-card-bg);
    border-color: var(--hk-border);
}
.dropdown-item {
    color: var(--hk-text);
}
.dropdown-item:hover {
    background-color: rgba(var(--hk-primary-rgb), 0.08);
    color: var(--hk-text);
}

/* ── Sidebar ──────────────────────────────────────────────── */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--hk-sidebar-width);
    height: 100vh;
    background: var(--hk-sidebar-bg);
    color: var(--hk-sidebar-text);
    z-index: 1040;
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sidebar-brand {
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    min-height: var(--hk-topbar-height);
}
.sidebar-brand img { height: 32px; width: auto; }
.sidebar-brand span { font-weight: 700; font-size: 1.1rem; color: #fff; }

.sidebar-nav { padding: 0.5rem 0; flex: 1; }

.sidebar-heading {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 1rem 1.25rem 0.4rem;
    color: rgba(255,255,255,0.3);
    font-weight: 600;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.55rem 1.25rem;
    color: var(--hk-sidebar-text);
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.15s;
    border-left: 3px solid transparent;
}
.sidebar-link:hover {
    color: var(--hk-sidebar-active);
    background: var(--hk-sidebar-active-bg);
}
.sidebar-link.active {
    color: var(--hk-sidebar-active);
    background: var(--hk-sidebar-active-bg);
    border-left-color: var(--hk-primary);
}
.sidebar-link i { width: 20px; text-align: center; font-size: 1rem; }

/* Coming soon links */
.sidebar-link.sidebar-soon {
    opacity: 0.4;
    cursor: default;
    pointer-events: none;
}
.sidebar-badge-soon {
    margin-left: auto;
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
    background: rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.35);
    font-weight: 600;
}

/* ── Main Content ─────────────────────────────────────────── */
.main-content {
    margin-left: var(--hk-sidebar-width);
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

.topbar {
    height: var(--hk-topbar-height);
    background: var(--hk-card-bg);
    border-bottom: 1px solid var(--hk-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.content-wrapper { padding: 1.5rem; }

/* ── Stat Cards ───────────────────────────────────────────── */
.stat-card {
    padding: 1.25rem;
    border-radius: 0.5rem;
    background: var(--hk-card-bg);
    border: 1px solid var(--hk-border);
}
.stat-card .stat-value { font-size: 1.5rem; font-weight: 700; }
.stat-card .stat-label {
    font-size: 0.75rem;
    color: var(--hk-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ── Badge variants (all via variables) ───────────────────── */
.badge-on_time { background: var(--hk-badge-ontime-bg); color: var(--hk-badge-ontime-fg); }
.badge-late    { background: var(--hk-badge-late-bg);    color: var(--hk-badge-late-fg); }
.badge-absent  { background: var(--hk-badge-absent-bg);  color: var(--hk-badge-absent-fg); }
.badge-holiday { background: var(--hk-badge-holiday-bg); color: var(--hk-badge-holiday-fg); }
.badge-pending { background: var(--hk-badge-pending-bg); color: var(--hk-badge-pending-fg); }

/* ── Semantic text utilities ──────────────────────────────── */
.text-negative { color: var(--hk-danger); font-weight: 600; }
.text-positive { color: var(--hk-success); font-weight: 600; }

/* ── Mobile ───────────────────────────────────────────────── */
.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--hk-text);
    cursor: pointer;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1035;
}

@media (max-width: 991.98px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.show { transform: translateX(0); }
    .sidebar-overlay.show { display: block; }
    .main-content { margin-left: 0; }
    .sidebar-toggle { display: inline-block; }
}

/* ── Theme toggle ─────────────────────────────────────────── */
.theme-toggle {
    background: none;
    border: 1px solid var(--hk-border);
    border-radius: 0.375rem;
    padding: 0.3rem 0.6rem;
    color: var(--hk-text-muted);
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.15s;
}
.theme-toggle:hover {
    color: var(--hk-text);
    border-color: var(--hk-text-muted);
}

/* ── Login Page ───────────────────────────────────────────── */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--hk-bg);
}
.login-card {
    width: 100%;
    max-width: 420px;
    padding: 2.5rem;
    background: var(--hk-card-bg);
    border: 1px solid var(--hk-border);
    border-radius: 0.75rem;
}
.login-card .logo {
    height: 48px;
    margin-bottom: 1.5rem;
}