/**
 * Attendance System — shared UI (Bootstrap 5 + custom layer)
 * Safe for IIS: static file under /public/css/
 */

:root {
    --as-body-bg: #eef2f7;
    --as-body-bg-mid: #e8edf5;
    --as-surface: #ffffff;
    --as-nav-start: #0a0f1a;
    --as-nav-end: #152238;
    --as-accent: #2563eb;
    --as-accent-hover: #1d4ed8;
    --as-accent-soft: rgba(37, 99, 235, 0.12);
    --as-text: #0f172a;
    --as-text-muted: #64748b;
    --as-border: rgba(15, 23, 42, 0.09);
    --as-shadow: 0 10px 40px rgba(15, 23, 42, 0.07);
    --as-shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.1);
    --as-radius: 0.75rem;
    --as-radius-sm: 0.5rem;
    --as-font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    margin: 0;
    font-family: var(--as-font);
    font-size: 0.9375rem;
    line-height: 1.55;
    color: var(--as-text);
    font-feature-settings: "kern" 1, "liga" 1;
    background-color: var(--as-body-bg);
    background-image:
        radial-gradient(ellipse 120% 80% at 100% -20%, rgba(37, 99, 235, 0.09), transparent 50%),
        radial-gradient(ellipse 80% 60% at 0% 100%, rgba(99, 102, 241, 0.06), transparent 45%),
        linear-gradient(180deg, var(--as-body-bg) 0%, var(--as-body-bg-mid) 50%, #e2e8f0 100%);
    background-attachment: fixed;
}

::selection {
    background: rgba(37, 99, 235, 0.2);
    color: var(--as-text);
}

a {
    color: var(--as-accent);
    text-decoration-color: rgba(37, 99, 235, 0.35);
}

a:hover {
    color: var(--as-accent-hover);
}

/* Guest bar (login / unauthenticated) */
.app-guest-bar {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border-color: var(--as-border) !important;
}

.app-guest-bar .fw-semibold {
    font-weight: 600;
    letter-spacing: -0.01em;
}

/* Navigation */
.app-nav {
    background: linear-gradient(115deg, var(--as-nav-start) 0%, #121c32 45%, var(--as-nav-end) 100%);
    box-shadow: 0 4px 28px rgba(8, 12, 24, 0.45);
    padding-top: 0.2rem;
    padding-bottom: 0.2rem;
}

.app-navbar-inner {
    max-width: 1440px;
    margin-left: auto;
    margin-right: auto;
}

.app-nav .navbar-brand {
    font-weight: 700;
    letter-spacing: -0.02em;
    font-size: 1.05rem;
}

.app-nav .nav-link {
    border-radius: 0.45rem;
    padding: 0.45rem 0.8rem;
    margin: 0 0.08rem;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background 0.18s ease, color 0.18s ease, transform 0.12s ease;
}

.app-nav .nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
}

.app-nav .nav-link.active {
    background: rgba(255, 255, 255, 0.18);
    font-weight: 600;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.app-nav .navbar-toggler {
    border-color: rgba(255, 255, 255, 0.25);
    padding: 0.4rem 0.65rem;
}

.as-user-badge {
    font-weight: 600;
    font-size: 0.78rem;
    padding: 0.45rem 0.85rem;
    background: rgba(255, 255, 255, 0.95) !important;
    color: #0f172a !important;
    border: 1px solid rgba(255, 255, 255, 0.35);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.btn-as-nav-logout {
    --bs-btn-color: #fecaca;
    --bs-btn-border-color: rgba(248, 113, 113, 0.55);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: rgba(220, 38, 38, 0.95);
    --bs-btn-hover-border-color: #dc2626;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: #b91c1c;
    --bs-btn-active-border-color: #b91c1c;
    font-weight: 600;
    border-radius: 0.45rem;
    padding: 0.35rem 0.9rem;
}

/* Layout */
main.app-main {
    max-width: 1440px;
    margin-left: auto;
    margin-right: auto;
    padding-bottom: 2.5rem !important;
}

.page-hero {
    position: relative;
    background: var(--as-surface);
    border-radius: var(--as-radius);
    box-shadow: var(--as-shadow);
    border: 1px solid var(--as-border);
    padding: 1.35rem 1.5rem;
    overflow: hidden;
}

.page-hero:not(.employee-form-hero)::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--as-accent), #6366f1, #0ea5e9);
    opacity: 0.9;
}

.page-hero:not(.employee-form-hero) > * {
    position: relative;
    z-index: 1;
}

.page-hero h1 {
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--as-text);
}

main.app-main h1.h3,
main.app-main h1.h4 {
    letter-spacing: -0.02em;
    font-weight: 700;
}

/* Section titles (Shortcuts, etc.) */
main.app-main h2.h6.text-uppercase.text-muted {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--as-text-muted) !important;
    margin-bottom: 0.75rem !important;
}

/* Cards */
.card.as-card {
    border: 1px solid var(--as-border);
    border-radius: var(--as-radius);
    box-shadow: var(--as-shadow);
    background: var(--as-surface);
    overflow: hidden;
}

.card.as-card .card-header {
    background: linear-gradient(180deg, #fafbfc 0%, #fff 100%);
    border-bottom: 1px solid var(--as-border);
    font-weight: 600;
}

/* Stat tiles */
.stat-tile {
    position: relative;
    border-radius: var(--as-radius);
    border: 1px solid var(--as-border);
    background: linear-gradient(165deg, #ffffff 0%, #f8fafc 100%);
    box-shadow: var(--as-shadow);
    padding: 1.15rem 1.2rem 1.2rem;
    height: 100%;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.stat-tile:hover {
    transform: translateY(-3px);
    box-shadow: var(--as-shadow-lg);
    border-color: rgba(37, 99, 235, 0.15);
}

.stat-tile .stat-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.55rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.stat-tile .stat-label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--as-text-muted);
    margin-bottom: 0.35rem;
}

.stat-tile .stat-value {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.stat-tile .stat-sub {
    font-size: 0.8rem;
    color: var(--as-text-muted);
    margin-top: 0.35rem;
}

.stat-tile-primary .stat-icon {
    background: var(--as-accent-soft);
    color: var(--as-accent);
}

.stat-tile-success .stat-icon {
    background: rgba(22, 163, 74, 0.12);
    color: #15803d;
}

.stat-tile-warning .stat-icon {
    background: rgba(234, 179, 8, 0.15);
    color: #a16207;
}

.stat-tile-info .stat-icon {
    background: rgba(14, 165, 233, 0.12);
    color: #0284c7;
}

.stat-tile-secondary .stat-icon {
    background: rgba(100, 116, 139, 0.12);
    color: #475569;
}

/* Attendance breakdown */
.status-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    background: #f1f5f9;
    border: 1px solid var(--as-border);
}

.status-chip .dot {
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 50%;
    background: #64748b;
}

.progress.as-progress {
    height: 0.55rem;
    border-radius: 999px;
    background: #e2e8f0;
}

/* Activity feed */
.activity-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.activity-item {
    display: flex;
    gap: 0.85rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--as-border);
}

.activity-item:last-child {
    border-bottom: 0;
}

.activity-item .activity-time {
    flex: 0 0 5.5rem;
    font-size: 0.75rem;
    color: var(--as-text-muted);
    font-variant-numeric: tabular-nums;
}

.activity-body {
    flex: 1;
    min-width: 0;
}

.activity-title {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.15rem;
}

.activity-detail {
    font-size: 0.85rem;
    color: #334155;
    word-break: break-word;
}

.activity-badge {
    flex-shrink: 0;
}

/* Tables (list pages) */
.table-responsive.as-table-wrap {
    border-radius: 0 0 var(--as-radius) var(--as-radius);
}

.table.as-table thead th {
    white-space: nowrap;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--as-text-muted);
    border-bottom-width: 1px;
}

.table.as-table tbody td {
    vertical-align: middle;
}

/* Tables — all list pages */
.table-responsive {
    border-radius: 0 0 var(--as-radius-sm) var(--as-radius-sm);
}

.table {
    --bs-table-border-color: var(--as-border);
}

.table > thead.table-dark th {
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%) !important;
    color: #f1f5f9 !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding-top: 0.85rem;
    padding-bottom: 0.85rem;
    white-space: nowrap;
}

.table.table-striped > tbody > tr:nth-of-type(odd) > * {
    --bs-table-bg-type: rgba(248, 250, 252, 0.85);
}

.table.table-hover tbody tr:hover > * {
    --bs-table-hover-bg: rgba(37, 99, 235, 0.06);
}

.table tbody td {
    font-size: 0.9rem;
    vertical-align: middle;
    padding-top: 0.65rem;
    padding-bottom: 0.65rem;
}

.table tbody td .btn-sm {
    border-radius: 0.4rem;
    font-weight: 600;
}

.table tbody td.text-center.py-4 {
    color: var(--as-text-muted);
    font-size: 0.9rem;
}

/* Forms — global */
.form-label {
    font-weight: 600;
    font-size: 0.8125rem;
    color: #334155;
    margin-bottom: 0.35rem;
}

.form-control,
.form-select {
    border-radius: var(--as-radius-sm);
    border-color: #e2e8f0;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--as-accent);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.15);
}

.form-control::placeholder {
    color: #94a3b8;
}

/* Buttons */
.btn {
    font-weight: 600;
    border-radius: var(--as-radius-sm);
    transition: transform 0.12s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-primary {
    background: linear-gradient(180deg, #3b82f6 0%, var(--as-accent) 100%);
    border: none;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
    background: linear-gradient(180deg, #60a5fa 0%, #1d4ed8 100%);
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.45);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: #64748b;
    border-color: #64748b;
}

.btn-secondary:hover {
    background: #475569;
    border-color: #475569;
}

.btn-outline-secondary {
    border-color: #cbd5e1;
    color: #475569;
}

.btn-outline-secondary:hover {
    background: #f1f5f9;
    border-color: #94a3b8;
    color: #0f172a;
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--as-radius-sm);
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
    padding: 0.85rem 1.1rem;
    font-size: 0.9rem;
}

.alert-success {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    color: #065f46;
    border-left: 4px solid #10b981;
}

.alert-danger {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    color: #991b1b;
    border-left: 4px solid #ef4444;
}

.alert-info {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    color: #1e3a8a;
    border-left: 4px solid var(--as-accent);
}

/* Badges */
.badge {
    font-weight: 600;
    letter-spacing: 0.02em;
}

.text-bg-primary {
    background: linear-gradient(135deg, var(--as-accent), #1d4ed8) !important;
}

/* Quick links on dashboard */
.quick-link-card {
    border: 1px solid var(--as-border);
    border-radius: var(--as-radius);
    box-shadow: var(--as-shadow);
    transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
    background: linear-gradient(165deg, #ffffff 0%, #f8fafc 100%);
    overflow: hidden;
}

.quick-link-card::before {
    content: "";
    display: block;
    height: 3px;
    background: linear-gradient(90deg, var(--as-accent), #6366f1);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.quick-link-card:hover {
    transform: translateY(-3px);
    border-color: rgba(37, 99, 235, 0.4);
    box-shadow: var(--as-shadow-lg);
    color: inherit;
}

.quick-link-card:hover::before {
    opacity: 1;
}

.quick-link-card .card-body {
    padding: 1.15rem 1.2rem;
}

.quick-link-card h2 {
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: -0.02em;
}

/* Login / unauthenticated pages */
body.auth-page {
    display: flex;
    align-items: center;
    min-height: 100vh;
    padding: 2rem 0;
}

body.auth-page main {
    width: 100%;
}

body.auth-page .card.as-card {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--as-border);
    box-shadow: var(--as-shadow-lg);
}

body.auth-page .card.as-card::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--as-accent), #6366f1, #0ea5e9);
}

body.auth-page .btn-primary.btn-lg {
    padding-top: 0.65rem;
    padding-bottom: 0.65rem;
    font-size: 1rem;
}

/* List / filter cards */
.card.shadow-sm > .card-body {
    padding: 1.15rem 1.25rem;
}

/* Existing list pages using Bootstrap shadow-sm cards */
.card.shadow-sm {
    border-radius: var(--as-radius);
    border: 1px solid var(--as-border);
    box-shadow: var(--as-shadow);
    background: var(--as-surface);
}

.table > thead.table-dark th {
    border-color: rgba(255, 255, 255, 0.1) !important;
}

/* Employee add/edit */
.employee-form-page {
    padding-bottom: 2.5rem;
}

.employee-form-shell {
    max-width: 920px;
}

.employee-form-hero.page-hero {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--as-border);
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 55%, rgba(37, 99, 235, 0.06) 100%);
}

.employee-form-hero.page-hero::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 4px;
    background: linear-gradient(90deg, var(--as-accent), #6366f1, #0ea5e9);
    opacity: 0.95;
}

.employee-form-hero .d-flex.gap-3 {
    position: relative;
    z-index: 1;
}

.employee-form-hero-icon {
    width: 3.25rem;
    height: 3.25rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    background: linear-gradient(145deg, var(--as-accent), #1d4ed8);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
    flex-shrink: 0;
}

.employee-form-eyebrow {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--as-accent);
}

.employee-form-section.card.as-card {
    border-radius: var(--as-radius);
    border: 1px solid var(--as-border);
    overflow: visible;
}

.employee-form-section__head {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1.25rem 1.5rem 0.75rem;
    border-bottom: 1px solid var(--as-border);
    margin-bottom: 0;
    background: linear-gradient(180deg, #fafbfc 0%, #fff 100%);
    border-radius: var(--as-radius) var(--as-radius) 0 0;
}

.employee-form-section__icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.65rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    color: var(--as-accent);
    background: var(--as-accent-soft);
    flex-shrink: 0;
}

.employee-form-section__title {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 0.2rem;
    color: #0f172a;
}

.employee-form-section__hint {
    font-size: 0.8rem;
    color: var(--as-text-muted);
    margin: 0;
    line-height: 1.45;
}

.employee-form-section .card-body {
    padding: 1.25rem 1.5rem 1.5rem;
}

.employee-form-page .form-control,
.employee-form-page .form-select {
    border-radius: 0.5rem;
    border-color: #e2e8f0;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.employee-form-page .form-control:focus,
.employee-form-page .form-select:focus {
    border-color: var(--as-accent);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.12);
}

.employee-form-page .form-label {
    font-weight: 600;
    font-size: 0.8125rem;
    color: #334155;
    margin-bottom: 0.35rem;
}

.employee-form-check {
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
}

.employee-form-check .form-check-input {
    margin-top: 0.2rem;
}

.employee-form-file {
    padding: 0.5rem 0.75rem;
    line-height: 1.4;
}

.employee-form-file::file-selector-button {
    margin-right: 0.75rem;
    padding: 0.35rem 0.85rem;
    border-radius: 0.4rem;
    border: 1px solid #cbd5e1;
    background: #f1f5f9;
    font-size: 0.8rem;
    font-weight: 600;
    color: #334155;
    cursor: pointer;
}

.employee-form-file:hover::file-selector-button {
    background: #e2e8f0;
    border-color: #94a3b8;
}

.employee-form-file-note {
    margin-top: 0.35rem;
    font-size: 0.8rem;
}

.employee-pincode-input {
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.06em;
}

.employee-pincode-status {
    min-height: 1.25rem;
    font-size: 0.8rem;
}

.employee-form-salary-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

@media (min-width: 992px) {
    .employee-form-salary-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.employee-form-salary-grid .input-group-text {
    background: #f8fafc;
    border-color: #e2e8f0;
    color: #64748b;
    font-weight: 600;
    font-size: 0.85rem;
}

.employee-form-actions {
    border-radius: var(--as-radius);
    position: sticky;
    bottom: 1rem;
    z-index: 10;
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.12) !important;
}

.employee-form-actions .card-body {
    padding: 1rem 1.25rem;
}

.employee-form-submit {
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
    border: none;
}

.employee-form-submit:hover {
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
    transform: translateY(-1px);
}

.employee-form-submit:active {
    transform: translateY(0);
}

@media (max-width: 575.98px) {
    .employee-form-hero-icon {
        width: 2.75rem;
        height: 2.75rem;
        font-size: 1.25rem;
    }

    .employee-form-section__head {
        flex-direction: column;
        gap: 0.75rem;
    }
}

/* Dashboard progress bars */
.progress.as-progress .progress-bar {
    border-radius: 999px;
}

/* Focus visibility (keyboard) */
.btn:focus-visible,
.form-control:focus-visible,
.form-select:focus-visible {
    outline: 2px solid rgba(59, 130, 246, 0.65);
    outline-offset: 2px;
}

.app-nav .nav-link:focus-visible {
    outline-color: rgba(255, 255, 255, 0.95);
}