:root {
    --color-bg: #f4f5f7;
    --color-surface: #ffffff;
    --color-border: #dde1e6;
    --color-text: #1f2430;
    --color-text-muted: #6b7280;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-danger: #dc2626;
    --color-danger-hover: #b91c1c;
    --color-success: #16a34a;
    --color-warning: #b45309;
    --color-warning-bg: #fef3c7;
    --radius: 8px;
    font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 15px;
    line-height: 1.5;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 10px 24px;
}

.topbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.topbar-brand .logo {
    width: 32px;
    height: 32px;
    display: block;
}

.topbar-brand .brand-title {
    font-weight: 600;
    font-size: 16px;
}

.topbar nav {
    display: flex;
    gap: 8px;
    align-items: center;
}

.topbar nav a {
    color: var(--color-text-muted);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: var(--radius);
    font-size: 14px;
}

.topbar nav a.active {
    background: var(--color-bg);
    color: var(--color-text);
    font-weight: 600;
}

.topbar nav a:hover {
    background: var(--color-bg);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.guest-count-badge {
    font-size: 13px;
    font-weight: 600;
    background: var(--color-bg);
    color: var(--color-text);
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid var(--color-border);
}

.guest-count-badge #guest-count-value {
    color: var(--color-primary);
    font-weight: 700;
}

.topbar .user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--color-text-muted);
}

.topbar .logout-btn {
    color: var(--color-danger);
    text-decoration: none;
    font-size: 14px;
}

main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px;
}

h1 {
    font-size: 20px;
    margin-bottom: 16px;
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-border);
    font-size: 14px;
}

th {
    color: var(--color-text-muted);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

tbody tr:hover {
    background: var(--color-bg);
}

.empty-state {
    text-align: center;
    padding: 40px 0;
    color: var(--color-text-muted);
}

.status-pill {
    font-size: 12px;
    padding: 2px 8px;
    background: var(--color-bg);
    color: var(--color-text-muted);
    border-radius: 999px;
}

.refresh-indicator {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

.refresh-indicator.stale {
    color: var(--color-danger);
}

/* --- Forms / login -------------------------------------------- */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-box {
    width: 320px;
}

label {
    display: block;
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 4px;
    margin-top: 14px;
}

input[type="text"],
input[type="password"],
input[type="date"],
textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    background: var(--color-surface);
    color: var(--color-text);
}

input[type="date"] {
    /* The app has no dark theme; without this a browser that follows
       the OS's dark mode renders the native date picker (calendar
       popup + icon) dark-on-dark against this light UI. */
    color-scheme: light;
}

input:focus, textarea:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: -1px;
}

button, .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    border-radius: var(--radius);
    border: none;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-primary:disabled { background: #94a3b8; cursor: not-allowed; }

.btn-danger { background: var(--color-danger); color: #fff; }
.btn-danger:hover { background: var(--color-danger-hover); }

.btn-secondary { background: var(--color-bg); color: var(--color-text); border: 1px solid var(--color-border); }

.btn-block { width: 100%; margin-top: 20px; }

.button-row {
    display: flex;
    gap: 12px;
}

/* Breathing room after the last field, same as .btn-block - only when
   the row follows form fields (Settings' Save/Cancel and Update
   Password/Cancel); Check Out's standalone button-row sits alone in
   its own card and doesn't need it. */
form .button-row {
    margin-top: 20px;
}

.button-row .btn {
    flex: 1;
}

.alert {
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 14px;
    margin-bottom: 16px;
}

.alert-error {
    background: #fee2e2;
    color: var(--color-danger);
}

.alert-warning {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

.alert-success {
    background: #dcfce7;
    color: var(--color-success);
}

/* --- Process In/Out capture layout ----------------------------- */
.capture-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.capture-hint {
    font-size: 13px;
    color: var(--color-text-muted);
}

.capture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.capture-grid.cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.capture-slot {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    background: #000;
    aspect-ratio: 4 / 3;
    min-height: 180px;
    position: relative;
}

.capture-slot video,
.capture-slot img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.capture-slot img[hidden] {
    display: none;
}

.capture-slot img.capture-preview {
    cursor: zoom-in;
}

/* --- Full-size image modal ------------------------------------- */
.image-modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    padding: 32px;
    overflow: auto;
    background: rgba(0, 0, 0, 0.85);
}

.image-modal[hidden] {
    display: none;
}

/* Opens at the image's natural width; the wheel resizes it (see
   process-in.js). margin:auto keeps it centred when it fits and still lets
   the modal scroll to every edge once it overflows. */
.image-modal img {
    margin: auto;
    display: block;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
    cursor: zoom-in;
}

.image-modal img[hidden] {
    display: none;
}

.image-modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: transparent;
    color: #fff;
    font-size: 32px;
    line-height: 1;
    padding: 4px 10px;
    z-index: 1;
}

/* Dashboard plate popup: all captured photos for the visit, side by side
   (wrapping / scrolling when they don't fit). */
.image-modal-body {
    margin: auto;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: center;
    gap: 20px;
}

.image-modal-body figure {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.image-modal-body figcaption {
    order: -1;
    color: #fff;
    font-size: 13px;
    text-align: center;
}

.image-modal .image-modal-body img {
    display: block;
    max-width: min(90vw, 520px);
    max-height: 78vh;
    object-fit: contain;
    background: #000;
    cursor: default;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
}

.image-modal-body figure.errored {
    display: none;
}

.image-modal-body .image-modal-empty {
    color: #fff;
    font-size: 14px;
}

.capture-slot .slot-actions {
    position: absolute;
    left: 50%;
    bottom: 8px;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    gap: 6px;
}

.capture-slot .slot-btn {
    padding: 6px 14px;
    font-size: 12px;
    opacity: 0.92;
}

.capture-slot .slot-label {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    background: rgba(0,0,0,0.6);
    color: #fff;
    font-size: 12px;
    padding: 4px 8px;
}

.capture-slot .slot-status {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 2;
    background: rgba(0,0,0,0.6);
    color: #fff;
    font-size: 11px;
    padding: 3px 8px;
}

.compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 20px;
}

.compare-column h3 {
    font-size: 13px;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

/* --- Check Out: visit summary + check-in photo panel ---------- */
.panel-heading {
    font-size: 16px;
    margin: 24px 0 12px;
}

.visit-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px 24px;
    margin: 0;
}

.visit-summary dt {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--color-text-muted);
    margin: 0;
}

.visit-summary dd {
    margin: 2px 0 0;
    font-weight: 600;
}

.checkin-photos {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 18px;
}

.checkin-photo {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.checkin-photo figcaption {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--color-text-muted);
}

.checkin-photo img {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    background: #000;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    cursor: zoom-in;
}

.checkin-photo-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    aspect-ratio: 4 / 3;
    background: var(--color-bg);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text-muted);
    font-size: 13px;
}

@media (max-width: 640px) {
    .checkin-photos {
        grid-template-columns: 1fr;
    }
}

/* --- Dashboard: plate cell (hover preview + click-to-zoom) ------ */
.plate-cell {
    position: relative;
}

/* Deliberately plain text, same as every other cell - only the
   pointer cursor + hover preview below signal it's interactive. */
.plate-cell.has-images {
    cursor: pointer;
}

.plate-preview {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 20;
    flex-wrap: wrap;
    gap: 8px;
    width: max-content;
    max-width: 280px;
    margin-top: 6px;
    padding: 10px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.plate-cell.has-images:hover .plate-preview {
    display: flex;
}

.plate-preview figure {
    margin: 0;
    width: 76px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.plate-preview img {
    width: 76px;
    height: 56px;
    object-fit: cover;
    background: #000;
    border-radius: 4px;
    display: block;
}

.plate-preview figcaption {
    font-size: 10px;
    color: var(--color-text-muted);
    text-align: center;
    white-space: nowrap;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 16px;
    font-size: 13px;
    color: var(--color-text-muted);
}

.pagination[hidden] {
    display: none;
}

.pagination button {
    padding: 6px 12px;
    font-size: 13px;
    background: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination {
    justify-content: space-between;
    flex-wrap: wrap;
}

.pagination-perpage select {
    width: auto;
    display: inline-block;
    margin-left: 6px;
    padding: 4px 8px;
}

.pagination-summary {
    margin-right: auto;
}

/* --- Status pills (In / Out, Active / Disabled) ----------------- */
.status-pill.status-in {
    background: #dcfce7;
    color: var(--color-success);
}

.status-pill.status-out {
    background: var(--color-bg);
    color: var(--color-text-muted);
}

/* --- Dashboard filter bar ---------------------------------------- */
select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 14px;
    background: var(--color-surface);
    color: var(--color-text);
}

select:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: -1px;
}

.filter-bar {
    margin-bottom: 20px;
}

.filter-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    width: 100%;
    background: none;
    border: none;
    padding: 0;
    margin-bottom: 16px;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
}

.filter-toggle[aria-expanded="false"] {
    margin-bottom: 0;
}

.filter-toggle-icon {
    display: inline-block;
    color: var(--color-text-muted);
    transition: transform 0.15s ease;
}

.filter-toggle[aria-expanded="false"] .filter-toggle-icon {
    transform: rotate(-90deg);
}

.filter-body[hidden] {
    display: none;
}

.filter-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px 16px;
}

.filter-row + .filter-row {
    margin-top: 4px;
}

.filter-field label {
    margin-top: 0;
}

.filter-field input:disabled,
.filter-field select:disabled {
    background: var(--color-bg);
    color: var(--color-text-muted);
    cursor: not-allowed;
}

.filter-actions {
    display: flex;
    align-items: flex-end;
}

.filter-actions .btn {
    width: 100%;
}

/* --- Settings / user management ---------------------------------- */
.settings-toolbar {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 16px;
}

.btn-small {
    padding: 6px 10px;
    font-size: 12px;
}

.actions-cell {
    white-space: nowrap;
}

.actions-cell .btn {
    margin: 2px 0;
}

.permission-badge {
    display: inline-block;
    font-size: 12px;
    padding: 2px 8px;
    margin: 2px 2px 2px 0;
    background: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: 999px;
}

.muted-note {
    color: var(--color-text-muted);
    font-size: 13px;
}

.permission-checks {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 6px;
}

.permission-check {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--color-text);
    margin: 0;
}

.permission-check input {
    width: auto;
}

/* --- Generic form modal (Add/Edit User, Change Password) --------- */
.form-modal {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    overflow: auto;
    background: rgba(0, 0, 0, 0.5);
}

.form-modal[hidden] {
    display: none;
}

.form-modal-dialog {
    width: 100%;
    max-width: 420px;
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 24px;
}

.form-modal-dialog h2 {
    font-size: 18px;
    margin: 0 0 4px;
}