/* CFR Shift — Mobile-first, polished stylesheet */

/* ── Foundations ──────────────────────────────── */
:root {
    --cfr-radius: 0.85rem;
    --cfr-radius-sm: 0.55rem;
    --cfr-card-shadow: 0 4px 16px rgba(5, 35, 68, 0.07), 0 1px 4px rgba(5, 35, 68, 0.04);
    --cfr-border-soft: color-mix(in srgb, var(--bs-border-color), transparent 35%);
    --cfr-header-h: 3.25rem;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, 'Helvetica Neue', Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    background: var(--bs-body-bg);
    color: var(--bs-body-color);
}

[data-bs-theme="dark"] {
    --cfr-card-shadow: 0 4px 20px rgba(0, 0, 0, 0.28), 0 1px 4px rgba(0, 0, 0, 0.18);
}

/* ── Layout ───────────────────────────────────── */
.cfr-main {
    min-height: calc(100vh - var(--cfr-header-h) - 3.5rem);
    padding-bottom: 4.25rem !important;
}

.cfr-footer {
    border-top: 1px solid var(--cfr-border-soft);
    background: color-mix(in srgb, var(--bs-body-bg), var(--bs-secondary-bg) 40%);
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    backdrop-filter: blur(8px);
}

/* ── Navbar ───────────────────────────────────── */
.cfr-navbar {
    background: linear-gradient(100deg, #1558d6 0%, #0d47b5 100%);
    min-height: var(--cfr-header-h);
}

[data-bs-theme="dark"] .cfr-navbar {
    background: linear-gradient(100deg, #0f3a8a 0%, #0a2b6b 100%);
}

/* Navbar logo */
.cfr-nav-logo {
    height: 2.2rem;
    width: 2.2rem;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3), 0 2px 8px rgba(0, 0, 0, 0.25);
    background: #fff;
}

@media (min-width: 992px) {
    .cfr-nav-logo {
        height: 2.5rem;
        width: 2.5rem;
    }
}

.navbar-nav .nav-link {
    border-radius: 0.45rem;
    padding: 0.38rem 0.7rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: background 0.15s ease, color 0.15s ease;
    color: rgba(255, 255, 255, 0.82) !important;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
    background: rgba(255, 255, 255, 0.12);
    color: #fff !important;
}

.navbar-nav .nav-link.active {
    background: rgba(255, 255, 255, 0.18);
    color: #fff !important;
}

#themeToggle {
    width: 2.2rem;
    height: 2.2rem;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    border-radius: 0.5rem;
    border-color: rgba(255, 255, 255, 0.4);
    color: rgba(255, 255, 255, 0.85);
    transition: background 0.15s, border-color 0.15s;
}

#themeToggle:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.65);
    color: #fff;
}

.navbar-toggler {
    padding: 0.35rem 0.45rem;
}

/* ── Page header ──────────────────────────────── */
.cfr-page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    padding-bottom: 1.1rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--cfr-border-soft);
}

.cfr-page-header h1 {
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.15rem;
    color: var(--bs-emphasis-color);
}

.cfr-page-header .cfr-page-subtitle {
    margin-bottom: 0;
    color: var(--bs-secondary-color);
    font-size: 0.875rem;
}

/* ── Section headings ─────────────────────────── */
.cfr-section-heading {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--bs-secondary-color);
    margin-bottom: 1rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--cfr-border-soft);
}

/* ── Cards ────────────────────────────────────── */
.card {
    border-radius: var(--cfr-radius);
    box-shadow: var(--cfr-card-shadow);
    border: 1px solid var(--cfr-border-soft);
}

.card-body {
    padding: 1.25rem;
}

@media (min-width: 768px) {
    .card-body {
        padding: 1.5rem;
    }
}

/* ── Forms ────────────────────────────────────── */
.form-control,
.form-select {
    border-radius: var(--cfr-radius-sm);
    border-color: var(--cfr-border-soft);
    font-size: 0.9rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.12);
}

.form-label {
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--bs-body-color);
    margin-bottom: 0.3rem;
}

.form-text {
    font-size: 0.78rem;
}

/* ── Buttons ──────────────────────────────────── */
.btn {
    border-radius: 0.6rem;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.01em;
}

.btn-sm {
    border-radius: 0.45rem;
    font-size: 0.8rem;
}

.btn-lg {
    border-radius: 0.75rem;
}

.btn-primary {
    box-shadow: 0 2px 8px rgba(13, 110, 253, 0.2);
}

.btn-primary:hover {
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
}

/* Large shift button */
.btn-shift-lg {
    min-height: 4.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    border-radius: 1rem !important;
}

@media (min-width: 768px) {
    .btn-shift-lg {
        min-height: 5.5rem;
        font-size: 1.5rem;
    }
}

/* ── Alerts ───────────────────────────────────── */
.alert {
    border-radius: var(--cfr-radius-sm);
    font-size: 0.9rem;
    border-width: 0;
    border-left: 4px solid;
    padding: 0.85rem 1rem;
}

.alert-danger {
    border-left-color: var(--bs-danger);
}

.alert-success {
    border-left-color: var(--bs-success);
}

.alert-warning {
    border-left-color: var(--bs-warning);
}

/* ── Badges ───────────────────────────────────── */
.badge {
    font-weight: 600;
    letter-spacing: 0.02em;
    border-radius: 0.4rem;
}

/* ── Tables ───────────────────────────────────── */
.cfr-table-card {
    border-radius: var(--cfr-radius);
    box-shadow: var(--cfr-card-shadow);
    border: 1px solid var(--cfr-border-soft);
    overflow: hidden;
}

.cfr-table-card .table {
    margin-bottom: 0;
}

.table > :not(caption) > * > th,
.table > :not(caption) > * > td {
    border-color: var(--cfr-border-soft);
}

.table thead th {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--bs-secondary-color);
    border-bottom-width: 2px;
    padding-top: 0.8rem;
    padding-bottom: 0.8rem;
    background: color-mix(in srgb, var(--bs-secondary-bg), transparent 30%);
}

.table-hover > tbody > tr:hover > td {
    background: color-mix(in srgb, var(--bs-primary-bg-subtle), transparent 40%);
}

/* ── Accordions ───────────────────────────────── */
.accordion-item {
    border-color: var(--cfr-border-soft);
}

.accordion-button {
    font-weight: 500;
    font-size: 0.9rem;
}

.accordion-button:not(.collapsed) {
    font-weight: 600;
}

/* ── List groups ──────────────────────────────── */
.list-group-item {
    border-color: var(--cfr-border-soft);
    font-size: 0.9rem;
}

/* ── Empty state ──────────────────────────────── */
.cfr-empty {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--bs-secondary-color);
}

.cfr-empty i {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 0.75rem;
    opacity: 0.4;
}

.cfr-empty p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* ── Status indicator ─────────────────────────── */
.cfr-status {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.82rem;
    font-weight: 600;
}

.cfr-status::before {
    content: '';
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
}

.cfr-status--on {
    color: var(--bs-success);
}

.cfr-status--off {
    color: var(--bs-secondary-color);
}

/* ── Stat cards ───────────────────────────────── */
.card-stat {
    border-left: 4px solid var(--bs-primary) !important;
}

.card-stat-warn {
    border-left: 4px solid var(--bs-warning) !important;
}

.card-stat-ok {
    border-left: 4px solid var(--bs-success) !important;
}

.card-stat-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--bs-secondary-color);
    margin-bottom: 0.35rem;
}

.card-stat-value {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1;
    color: var(--bs-emphasis-color);
}

/* ── Shift page ───────────────────────────────── */
.cfr-shift-status-card {
    border-radius: var(--cfr-radius);
    padding: 1.1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    background: color-mix(in srgb, var(--bs-secondary-bg), transparent 20%);
    border: 1px solid var(--cfr-border-soft);
}

/* ── Login ────────────────────────────────────── */
.cfr-login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: linear-gradient(150deg, #f0f4ff 0%, #e8edf8 100%);
}

[data-bs-theme="dark"] .cfr-login-wrap {
    background: linear-gradient(150deg, #0d1117 0%, #0f1823 100%);
}

/* Login page logo */
.cfr-login-logo {
    width: 7rem;
    height: 7rem;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    margin: 0 auto;
    box-shadow: 0 6px 24px rgba(5, 35, 68, 0.18), 0 0 0 4px rgba(255, 255, 255, 0.6);
    background: #fff;
}

[data-bs-theme="dark"] .cfr-login-logo {
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.45), 0 0 0 4px rgba(255, 255, 255, 0.08);
}

.cfr-login-stack {
    padding-top: 0.75rem;
}

@media (max-width: 575.98px) {
    .cfr-login-stack {
        padding-top: 1.25rem;
    }
}

/* ── Admin dashboard month calendar ──────────── */
.cfr-cal-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -0.25rem;
    padding: 0 0.25rem;
}

.cfr-cal {
    min-width: 17.5rem;
}

.cfr-cal__weekdays,
.cfr-cal__days {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 3px;
}

.cfr-cal__weekdays {
    margin-bottom: 4px;
}

.cfr-cal__wd {
    text-align: center;
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--bs-secondary-color);
    padding: 0.3rem 0.1rem;
}

@media (min-width: 576px) {
    .cfr-cal__wd {
        font-size: 0.7rem;
    }
}

.cfr-cal__cell {
    min-height: 3.35rem;
    padding: 0.35rem 0.2rem;
    border-radius: 0.4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 0.2rem;
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color-translucent);
    transition: background 0.15s ease, border-color 0.15s ease;
}

@media (min-width: 576px) {
    .cfr-cal__cell {
        min-height: 4.1rem;
        padding: 0.45rem 0.35rem;
    }
}

.cfr-cal__cell--none {
    background: var(--bs-secondary-bg);
}

.cfr-cal__cell--low {
    background: rgba(var(--bs-warning-rgb), 0.14);
    border-color: rgba(var(--bs-warning-rgb), 0.4);
}

.cfr-cal__cell--ok {
    background: rgba(var(--bs-success-rgb), 0.11);
    border-color: rgba(var(--bs-success-rgb), 0.3);
}

.cfr-cal__cell--today {
    box-shadow: 0 0 0 2px var(--bs-primary);
}

.cfr-cal__num {
    font-size: 0.82rem;
    font-weight: 700;
    line-height: 1;
    color: var(--bs-emphasis-color);
}

.cfr-cal__badge {
    font-size: 0.62rem;
    font-weight: 700;
    padding: 0.12rem 0.38rem;
    border-radius: 1rem;
    background: var(--bs-primary);
    color: #fff;
    line-height: 1.15;
}

.cfr-cal__cell--ok .cfr-cal__badge {
    background: var(--bs-success);
}

.cfr-cal__cell--low .cfr-cal__badge {
    background: var(--bs-warning);
    color: var(--bs-dark);
}

.cfr-cal__empty {
    font-size: 0.55rem;
    opacity: 0.35;
    line-height: 1.2;
}

.cfr-cal__pad {
    min-height: 1px;
}

.cfr-cal__legend {
    display: inline-block;
    width: 0.8rem;
    height: 0.8rem;
    border-radius: 0.2rem;
    vertical-align: -0.1rem;
    margin-right: 0.3rem;
}

.cfr-cal__legend--ok {
    background: rgba(var(--bs-success-rgb), 0.25);
    border: 1px solid rgba(var(--bs-success-rgb), 0.45);
}

.cfr-cal__legend--low {
    background: rgba(var(--bs-warning-rgb), 0.3);
    border: 1px solid rgba(var(--bs-warning-rgb), 0.45);
}

.cfr-cal__legend--none {
    background: var(--bs-secondary-bg);
    border: 1px solid var(--bs-border-color);
}

/* ── Misc helpers ─────────────────────────────── */
.table-responsive-stack th,
.table-responsive-stack td {
    vertical-align: middle;
}

/* ── Print ────────────────────────────────────── */
@media print {
    .no-print,
    nav,
    footer,
    .btn {
        display: none !important;
    }

    main {
        padding: 0 !important;
    }

    .card {
        box-shadow: none !important;
        border: 1px solid #dee2e6 !important;
    }
}