/* Desk Booking - theme aligned with roboyo.ai's visual language:
   true black background, white text, pill-shaped buttons, a bracketed
   logo mark, thin uppercase nav, and light panels used sparingly against
   the black (mirrors their client-logo strip). Overrides Bootstrap 5.3's
   CSS custom properties globally so every page picks this up with no
   per-template changes beyond the hero markup on home.html. */

:root {
    --db-bg: #000000;
    --db-surface: #111111;
    --db-surface-2: #1a1a1a;
    --db-border: #2e2e2e;
    --db-border-strong: #ffffff;
    --db-text: #f5f5f5;
    --db-text-muted: #9a9a9a;
    --db-white: #ffffff;
    --db-black: #000000;
    --db-radius: 10px;
    --db-radius-pill: 999px;

    /* Dusk red / sunset orange accent, used for icons throughout - the one
       spot of warm color against the otherwise strict black-and-white theme. */
    --db-accent: #ff5a36;
    --db-accent-strong: #ff2d55;
    --db-accent-soft: rgba(255, 90, 54, 0.14);

    --bs-body-bg: var(--db-bg);
    --bs-body-color: var(--db-text);
    --bs-primary: var(--db-white);
    --bs-primary-rgb: 255, 255, 255;
    --bs-secondary: var(--db-text-muted);
    --bs-border-color: var(--db-border);
    --bs-link-color: var(--db-white);
    --bs-link-hover-color: var(--db-text-muted);
    --bs-font-sans-serif: 'Inter', 'Helvetica Neue', Helvetica, Arial, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
    background-color: var(--db-bg);
    color: var(--db-text);
    letter-spacing: 0.01em;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--db-white);
}

a {
    color: var(--db-white);
    text-decoration-thickness: 1px;
}
a:hover {
    color: var(--db-text-muted);
}

/* ---------- Navbar ---------- */
.navbar.bg-dark {
    background-color: var(--db-black) !important;
    border-bottom: 1px solid var(--db-border);
}
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.95rem;
    color: var(--db-white) !important;
}
.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.7rem;
    height: 1.7rem;
    border: 1.5px solid var(--db-white);
    border-radius: 5px;
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}
.brand-by {
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: none;
    color: var(--db-text-muted);
    opacity: 0.9;
    margin-left: 0.1rem;
    align-self: flex-end;
    padding-bottom: 0.15rem;
}
.brand-by-name {
    color: var(--db-white);
    font-weight: 700;
}
.eyebrow-brand {
    color: var(--db-white);
    font-weight: 700;
    letter-spacing: 0.08em;
}
.navbar-dark .navbar-nav .nav-link {
    color: var(--db-text-muted);
    font-weight: 500;
    font-size: 0.88rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding-left: 0.9rem;
    padding-right: 0.9rem;
    transition: color 0.15s ease;
}
.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus {
    color: var(--db-white);
}
.navbar-dark .navbar-nav .dropdown-menu {
    background-color: var(--db-surface);
    border: 1px solid var(--db-border);
    border-radius: var(--db-radius);
    padding: 0.4rem;
}
.navbar-dark .navbar-nav .dropdown-item {
    color: var(--db-text);
    border-radius: 6px;
    font-size: 0.9rem;
}
.navbar-dark .navbar-nav .dropdown-item:hover,
.navbar-dark .navbar-nav .dropdown-item:focus {
    background-color: var(--db-surface-2);
    color: var(--db-white);
}
.navbar-text {
    color: var(--db-text-muted) !important;
    font-size: 0.88rem;
}

/* ---------- Buttons: pill-shaped, roboyo-style ---------- */
.btn {
    border-radius: var(--db-radius-pill);
    font-weight: 600;
    letter-spacing: 0.02em;
    border-width: 1.5px;
    padding-left: 1.15rem;
    padding-right: 1.15rem;
    transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}
.btn:active {
    transform: translateY(1px);
}
.btn-sm {
    padding-left: 0.9rem;
    padding-right: 0.9rem;
}
.btn-primary {
    background-color: var(--db-white);
    border-color: var(--db-white);
    color: var(--db-black);
}
.btn-primary:hover, .btn-primary:focus {
    background-color: var(--db-text-muted);
    border-color: var(--db-text-muted);
    color: var(--db-black);
}
.btn-outline-primary, .btn-outline-light, .btn-outline-dark {
    border-color: var(--db-white);
    color: var(--db-white);
    background-color: transparent;
}
.btn-outline-primary:hover, .btn-outline-light:hover, .btn-outline-dark:hover {
    background-color: var(--db-white);
    color: var(--db-black);
}
.btn-secondary {
    background-color: transparent;
    border-color: var(--db-border);
    color: var(--db-text);
}
.btn-secondary:hover {
    background-color: var(--db-surface-2);
    border-color: var(--db-white);
    color: var(--db-white);
}
.btn-danger {
    background-color: transparent;
    border-color: var(--db-border);
    color: var(--db-text-muted);
}
.btn-danger:hover {
    background-color: var(--db-white);
    border-color: var(--db-white);
    color: var(--db-black);
}

/* ---------- Cards ---------- */
.card {
    background-color: var(--db-surface);
    border: 1px solid var(--db-border);
    border-radius: var(--db-radius);
    box-shadow: none;
    transition: border-color 0.15s ease, transform 0.15s ease;
}
a.card:hover {
    border-color: var(--db-white);
    transform: translateY(-2px);
}
.card-title {
    font-weight: 700;
    color: var(--db-white);
    font-size: 0.98rem;
}
.card-text, .card-body {
    color: var(--db-text-muted);
}
.card-body {
    background-color: transparent;
}

/* Light panel variant - used sparingly against the black, mirrors
   roboyo's white client-logo cards on their otherwise-black page. */
.card-light {
    background-color: var(--db-white);
    color: var(--db-black);
    border-color: var(--db-white);
}
.card-light .card-title, .card-light .card-text {
    color: var(--db-black);
}

/* ---------- Tables ----------
   Every cell gets an explicit background AND text color - no reliance on
   Bootstrap's default CSS-variable fallbacks (rgba(0,0,0,.05) stripes and
   inherited body color), which is what let alternate rows render as
   near-invisible dark text/bg on this true-black theme. */
.table {
    color: var(--db-text);
    border-color: var(--db-border);
    --bs-table-bg: var(--db-surface);
    --bs-table-color: var(--db-text);
}
.table > :not(caption) > * > * {
    background-color: var(--db-surface);
    color: var(--db-text);
    box-shadow: none;
}
.table thead th {
    background-color: transparent !important;
    color: var(--db-text-muted) !important;
    text-transform: uppercase;
    font-size: 0.74rem;
    letter-spacing: 0.06em;
    font-weight: 700;
    border-bottom: 1.5px solid var(--db-border);
}
.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: var(--db-surface);
    color: var(--db-text);
}
.table-striped > tbody > tr:nth-of-type(even) > * {
    background-color: var(--db-surface-2);
    color: var(--db-text);
}
.table-hover > tbody > tr:hover > * {
    background-color: var(--db-border) !important;
    color: var(--db-white) !important;
}
.table td, .table th {
    border-color: var(--db-border);
    color: inherit;
}
.table-bordered, .table-bordered th, .table-bordered td {
    border-color: var(--db-border);
}

/* ---------- Forms ---------- */
.form-control, .form-select {
    border: 1.5px solid var(--db-border);
    border-radius: var(--db-radius);
    background-color: var(--db-surface);
    color: var(--db-text);
}
.form-control::placeholder {
    color: var(--db-text-muted);
    opacity: 0.7;
}
.form-control:focus, .form-select:focus {
    border-color: var(--db-white);
    background-color: var(--db-surface);
    color: var(--db-text);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.12);
}
.form-label {
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--db-text-muted);
}
.form-text {
    color: var(--db-text-muted);
}
.form-check-input {
    background-color: var(--db-surface-2);
    border: 1.5px solid var(--db-border);
}
.form-check-input:checked {
    background-color: var(--db-accent);
    border-color: var(--db-accent);
}
.form-check-input:focus {
    border-color: var(--db-accent);
    box-shadow: 0 0 0 3px var(--db-accent-soft);
}
.form-check-label {
    color: var(--db-text);
}

/* ---------- Alerts ---------- */
.alert {
    border-radius: var(--db-radius);
    border-width: 1px;
    background-color: var(--db-surface);
}
.alert-danger {
    border-color: var(--db-border);
    color: var(--db-text);
    border-left: 3px solid var(--db-white);
}
.alert-success {
    border-color: var(--db-border);
    color: var(--db-text);
    border-left: 3px solid var(--db-text-muted);
}

/* ---------- Badges ---------- */
.badge {
    border-radius: var(--db-radius-pill);
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 0.4em 0.85em;
}
.bg-success { background-color: var(--db-white) !important; color: var(--db-black) !important; }
.bg-danger { background-color: var(--db-surface-2) !important; color: var(--db-text) !important; border: 1px solid var(--db-border); }
.bg-warning { background-color: var(--db-text-muted) !important; color: var(--db-black) !important; }
.bg-info { background-color: var(--db-surface-2) !important; color: var(--db-text) !important; }

/* ---------- Hero (home page) ---------- */
.hero-section {
    padding: 3rem 0 2rem;
}
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--db-text-muted);
    margin-bottom: 0.75rem;
}
.eyebrow .bi {
    color: var(--db-accent);
}
.hero-heading {
    font-size: clamp(2.1rem, 5vw, 3.4rem);
    font-weight: 700;
    line-height: 1.08;
    margin-bottom: 1rem;
    background: linear-gradient(180deg, #ffffff 0%, #8a8a8a 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero-heading-accent {
    -webkit-background-clip: initial;
    background-clip: initial;
    color: var(--db-white);
}
.hero-subtext {
    color: var(--db-text-muted);
    font-size: 1.05rem;
    max-width: 640px;
}
.hero-illustration {
    width: 100%;
    height: auto;
}

/* ---------- Feature strip (home page) ---------- */
.feature-strip {
    padding: 1.75rem 0;
    border-top: 1px solid var(--db-border);
    border-bottom: 1px solid var(--db-border);
}
.feature-icon {
    display: block;
    font-size: 1.5rem;
    color: var(--db-accent);
    margin-bottom: 0.5rem;
}
.feature-label {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--db-text-muted);
    font-weight: 600;
}

/* ---------- Icon circles (cards) ---------- */
.icon-circle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    border: 1px solid var(--db-border);
    background-color: var(--db-accent-soft);
    font-size: 1.2rem;
    color: var(--db-accent);
    transition: border-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}
a.card:hover .icon-circle {
    border-color: var(--db-accent);
    color: var(--db-accent-strong);
    transform: scale(1.05);
}

/* Nav icons */
.navbar-nav .nav-link i.bi,
.dropdown-item i.bi {
    font-size: 0.95rem;
    width: 1.1rem;
    text-align: center;
    display: inline-block;
    color: var(--db-accent);
    transition: color 0.15s ease;
}
.navbar-dark .navbar-nav .nav-link:hover i.bi,
.navbar-dark .navbar-nav .nav-link:focus i.bi,
.dropdown-item:hover i.bi,
.dropdown-item:focus i.bi {
    color: var(--db-accent-strong);
}

/* Login icon */
.login-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    margin: 0 auto 1rem;
    border-radius: 50%;
    border: 1px solid var(--db-border);
    background-color: var(--db-accent-soft);
    font-size: 1.35rem;
    color: var(--db-accent);
}
.login-brand-tag {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--db-text-muted);
    margin-bottom: 0.75rem;
}

/* ---------- Login page ---------- */
.login-card {
    background-color: var(--db-surface);
    border: 1px solid var(--db-border);
    border-radius: 16px;
}

/* ---------- Floor plan / seat states ----------
   Kept as a light panel on purpose - like roboyo's white client-logo
   strip against the black page, and it keeps the floor layout legible.
   States read by shape/pattern, not color alone (§14.2). */
.floorplan-canvas {
    border: 1px solid var(--db-border);
    border-radius: var(--db-radius);
    background-color: var(--db-white);
    max-width: 100%;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.02), 0 20px 60px -20px var(--db-accent-soft), 0 8px 24px rgba(0, 0, 0, 0.55);
}
.seat-marker {
    cursor: pointer;
    stroke: #000000;
    stroke-width: 1.5;
    transform-box: fill-box;
    transform-origin: center;
    transition: transform 0.15s ease, stroke 0.15s ease, filter 0.15s ease;
}
.seat-marker.available {
    fill: #ffffff;
    stroke: var(--db-accent);
}
.seat-marker.available:hover {
    transform: scale(1.35);
    stroke: var(--db-accent-strong);
    filter: drop-shadow(0 0 6px var(--db-accent));
}
.seat-marker.booked {
    fill: #9a9a9a;
    stroke: #6b6b6b;
    cursor: not-allowed;
}
.seat-marker.selected {
    fill: var(--db-accent);
    stroke: var(--db-accent-strong);
    stroke-width: 2.5;
    filter: drop-shadow(0 0 8px var(--db-accent));
}
.seat-marker.held {
    fill: #cccccc;
    stroke-dasharray: 2 2;
}
.seat-marker.disabled {
    fill: #eeeeee;
    stroke: #999999;
    opacity: 0.6;
    cursor: not-allowed;
}
/* Soft breathing ring behind each available seat - draws the eye to what's
   actually clickable without needing a legend to explain it. */
.seat-pulse {
    fill: none;
    stroke: var(--db-accent);
    stroke-width: 1.5;
    opacity: 0.5;
    pointer-events: none;
    transform-box: fill-box;
    transform-origin: center;
    animation: seatPulse 2.4s ease-out infinite;
}
@keyframes seatPulse {
    0% { transform: scale(1); opacity: 0.55; }
    100% { transform: scale(1.9); opacity: 0; }
}
.seat-label {
    font-family: var(--bs-font-sans-serif);
    font-size: 10px;
    font-weight: 600;
    fill: #1a1a1a;
    pointer-events: none;
}

/* ---------- Page titles (icon + heading), used on every inner page ---------- */
.page-title {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 1.25rem;
}
.page-title .bi {
    font-size: 1.1em;
    color: var(--db-accent);
}
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--db-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
}
.back-link .bi {
    color: var(--db-accent);
}
.back-link:hover {
    color: var(--db-white);
}
.back-link:hover .bi {
    color: var(--db-accent-strong);
}

/* ---------- Report/quick-link cards (icon + text row) ---------- */
.link-row-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.1rem 1.35rem;
}
.link-row-card .icon-circle {
    flex-shrink: 0;
    margin-bottom: 0;
}
.link-row-card .link-row-title {
    font-weight: 700;
    color: var(--db-white);
}
.link-row-card .link-row-sub {
    font-size: 0.85rem;
    color: var(--db-text-muted);
}
.link-row-card .bi-chevron-right {
    margin-left: auto;
    color: var(--db-text-muted);
}
a.card:hover .link-row-card .bi-chevron-right {
    color: var(--db-accent);
}

/* ---------- Legend swatches (floor plan) ---------- */
.legend-swatch {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-right: 1.25rem;
    font-size: 0.85rem;
    color: var(--db-text-muted);
}
.legend-dot {
    width: 0.85rem;
    height: 0.85rem;
    border-radius: 50%;
    border: 1.5px solid var(--db-border);
    display: inline-block;
}
.legend-dot.available { background: #ffffff; border-color: var(--db-accent); box-shadow: 0 0 6px var(--db-accent-soft); }
.legend-dot.booked { background: #9a9a9a; border-color: #6b6b6b; }
.legend-dot.selected { background: var(--db-accent); border-color: var(--db-accent-strong); }

/* ---------- Book-a-seat page ---------- */
.booking-toolbar {
    background: linear-gradient(180deg, var(--db-surface) 0%, var(--db-bg) 100%);
    border: 1px solid var(--db-border);
    border-radius: var(--db-radius);
    padding: 1.1rem 1.25rem;
}
.booking-toolbar .form-label {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}
.booking-toolbar .form-label .bi {
    color: var(--db-accent);
    font-size: 0.85rem;
}
.floorplan-frame {
    position: relative;
    border-radius: var(--db-radius);
    padding: 3px;
    background: linear-gradient(135deg, var(--db-accent) 0%, transparent 40%, transparent 60%, var(--db-accent-strong) 100%);
}
.floorplan-frame .floorplan-canvas {
    display: block;
}
.booking-panel-empty {
    text-align: center;
    padding: 2.5rem 1rem;
}
.booking-panel-empty .booking-panel-icon {
    position: relative;
    width: 3.5rem;
    height: 3.5rem;
    margin: 0 auto 1rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--db-accent-soft);
    border: 1px solid var(--db-border);
    font-size: 1.5rem;
    color: var(--db-accent);
}
.booking-panel-empty .booking-panel-icon::after {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 1px solid var(--db-accent);
    opacity: 0.35;
    animation: seatPulse 2.4s ease-out infinite;
}
.booking-panel-empty h6 {
    color: var(--db-white);
    font-weight: 700;
    margin-bottom: 0.35rem;
}
.seat-summary {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding-bottom: 0.85rem;
    margin-bottom: 0.85rem;
    border-bottom: 1px solid var(--db-border);
}
.seat-summary .seat-summary-code {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    background: var(--db-accent);
    color: var(--db-black);
    font-weight: 800;
    font-size: 0.85rem;
    flex-shrink: 0;
}
.seat-summary h5 {
    margin-bottom: 0.15rem;
}
.booking-date-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--db-surface-2);
    border: 1px solid var(--db-border);
    border-radius: var(--db-radius-pill);
    padding: 0.3rem 0.8rem;
    font-size: 0.85rem;
    color: var(--db-text);
    margin-bottom: 1rem;
}
.booking-date-chip .bi {
    color: var(--db-accent);
}
.fade-in-up {
    animation: fadeInUp 0.35s ease both;
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---------- Book-a-seat empty state ----------
   Shown until a floor is actually loaded - the toolbar alone left a huge
   blank void underneath it, which is the "dull and empty" page the fancy
   seat-glow treatment never actually reached. */
.booking-empty {
    padding: 2.5rem 0 1rem;
}
.booking-empty-illustration {
    width: 100%;
    height: auto;
}
.booking-steps {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.booking-steps li {
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
}
.booking-step-num {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: var(--db-accent-soft);
    border: 1px solid var(--db-border);
    color: var(--db-accent);
    font-weight: 700;
    font-size: 0.85rem;
}
.booking-steps h6 {
    margin-bottom: 0.15rem;
    color: var(--db-white);
    font-weight: 700;
    font-size: 0.95rem;
}
.booking-steps p {
    margin-bottom: 0;
    color: var(--db-text-muted);
    font-size: 0.85rem;
}
.location-picks {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1.75rem;
}
.location-pick {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--db-radius-pill);
    border: 1px solid var(--db-border);
    background: var(--db-surface);
    color: var(--db-text);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: border-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}
.location-pick i {
    color: var(--db-accent);
}
.location-pick:hover {
    border-color: var(--db-accent);
    color: var(--db-white);
    transform: translateY(-1px);
}

/* ---------- Error/status pages ---------- */
.status-icon {
    font-size: 2.4rem;
    color: var(--db-accent);
    margin-bottom: 0.75rem;
    display: block;
}

/* ---------- Footer ---------- */
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
main {
    flex: 1 0 auto;
}
.app-footer {
    flex-shrink: 0;
    border-top: 1px solid var(--db-border);
    margin-top: 3rem;
    padding: 1.5rem 0;
}
.app-footer .footer-brand {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-size: 0.85rem;
    color: var(--db-white);
}
.app-footer .footer-brand .brand-mark {
    width: 1.4rem;
    height: 1.4rem;
    font-size: 0.75rem;
}
.app-footer .footer-meta {
    color: var(--db-text-muted);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.app-footer .footer-meta .bi {
    color: var(--db-accent);
    margin-right: 0.3rem;
}
.app-footer .footer-dot {
    opacity: 0.5;
}
.footer-powered-brand {
    color: var(--db-white);
    font-weight: 700;
    letter-spacing: 0.06em;
}

/* ---------- Misc ---------- */
hr {
    border-top: 1px solid var(--db-border);
    opacity: 1;
}
.text-muted {
    color: var(--db-text-muted) !important;
}
.bg-white {
    background-color: var(--db-surface) !important;
}
::selection {
    background-color: var(--db-white);
    color: var(--db-black);
}