/* ==========================================================================
   Application shell, authentication screens and admin-only patterns.
   Loaded by layout/app.php and layout/login.php on top of
   tokens -> base -> components.
   ========================================================================== */


/* ==========================================================================
   APPLICATION SHELL
   ========================================================================== */

.app-sidebar__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--s-3);
}

.sidebar-toggle,
.sidebar-close {
    display: none;
    background: none;
    border: 0;
    color: var(--c-white);
    cursor: pointer;
}

.app {
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr);
    min-height: 100vh;
}

.app__sidebar {
    background: var(--c-ink);
    color: var(--c-raised);
    padding: var(--s-5) var(--s-4);

    display: flex;
    flex-direction: column;
    gap: var(--s-6);

    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.app__main {
    min-width: 0;
    padding: var(--s-6) var(--s-6) var(--s-8);
}

.app__inner {
    max-width: 1100px;
}

.app__inner--wide {
    max-width: 1600px;
}

.app__inner .container {
    max-width: none;
    margin-inline: 0;
    padding-inline: 0;
}


/* ==========================================================================
   APPLICATION BRAND / NAVIGATION
   ========================================================================== */

.app-brand {
    display: inline-flex;
    align-items: center;
    gap: var(--s-3);

    padding: var(--s-2) var(--s-3);

    font-family: var(--f-display);
    font-size: var(--t-base);
    font-weight: 700;

    color: var(--c-white);
    text-decoration: none;
}

.app-brand:hover {
    color: var(--c-white);
}

.app-brand__mark {
    width: 20px;
    height: 20px;

    flex: none;

    border-radius: 50%;
    background: var(--c-oxide);
}

.app-nav {
    display: flex;
    flex-direction: column;
    gap: var(--s-1);
}

.app-nav__label {
    margin: 0;
    padding: var(--s-2) var(--s-3);

    font-size: var(--t-xs);
    font-weight: 700;
    color: var(--c-ink-faint);
}

.app-nav a {
    display: block;

    padding: var(--s-3);

    border-radius: var(--r-md);

    color: var(--c-raised);
    font-size: var(--t-sm);
    font-weight: 600;
    text-decoration: none;
}

.app-nav a:hover {
    background: rgba(251, 246, 239, 0.10);
    color: var(--c-white);
}

.app-nav a[aria-current="page"] {
    background: var(--c-oxide);
    color: var(--c-white);
}

.app-user {
    margin-top: auto;
    padding: var(--s-4) var(--s-3) 0;

    border-top: 1px solid rgba(228, 213, 193, 0.22);

    font-size: var(--t-sm);
}

.app-user__name {
    margin-bottom: var(--s-1);

    color: var(--c-white);
    font-weight: 700;
}

.app-user__role {
    margin-bottom: var(--s-3);

    color: var(--c-ink-faint);
}

.app-user a {
    color: var(--c-raised);
    font-size: var(--t-sm);
    font-weight: 600;
    text-decoration: none;
}

.app-user a:hover {
    color: var(--c-white);
    text-decoration: underline;
}


/* ==========================================================================
   DASHBOARD
   ========================================================================== */

.dash-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--s-5);
}

.dash-card {
    display: flex;
    flex-direction: column;

    padding: var(--s-5);

    background: var(--c-white);
    border: var(--border);
    border-radius: var(--r-lg);
}

.dash-card h3 {
    margin-bottom: var(--s-2);
}

.dash-card p {
    flex: 1;

    color: var(--c-ink-soft);
    font-size: var(--t-sm);
}

.dash-card .button-row {
    margin-top: var(--s-5);
}


/* ==========================================================================
   TOOLBARS / FILTERS
   ========================================================================== */

.filter-bar {
    margin-bottom: var(--s-5);
    padding: var(--s-3) var(--s-4);

    background: var(--c-raised);
    border: var(--border);
    border-radius: var(--r-md);
}

.filter-bar form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--s-3);

    margin: 0;
}

.filter-bar .input {
    display: flex;
    align-items: center;
    gap: var(--s-3);

    margin: 0;
}

.filter-bar label {
    margin: 0;

    font-size: var(--t-sm);
    font-weight: 600;
    white-space: nowrap;
}

.filter-bar select {
    min-width: 11rem;

    margin-bottom: 0;
    padding: var(--s-2) var(--s-6) var(--s-2) var(--s-3);

    font-size: var(--t-sm);
}

.filter-bar__count {
    margin: 0 0 0 auto;

    color: var(--c-ink-soft);
    font-size: var(--t-sm);
}

.toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--s-4);

    margin-bottom: var(--s-5);
}

.toolbar form {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: var(--s-3);

    margin: 0;
}

.toolbar input,
.toolbar select,
.table-wrap input,
.table-wrap select {
    margin-bottom: 0;
    padding: var(--s-2) var(--s-3);

    font-size: var(--t-sm);
}


/* ==========================================================================
   TABLES
   ========================================================================== */

.table-wrap {
    overflow-x: auto;
}

.table-wrap th,
.table-wrap td {
    vertical-align: middle;
    white-space: nowrap;
}

.table-wrap th.wrap,
.table-wrap td.wrap {
    white-space: normal;
}

.table-wrap select {
    padding-right: var(--s-6);
    background-position: right var(--s-3) center;
}

.table-wrap .inline-form select {
    min-width: 9rem;
}

.table-wrap .status-cell {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--s-2);
}


/* ==========================================================================
   INLINE FORMS / ROW ACTIONS
   ========================================================================== */

.inline-form {
    display: flex;
    align-items: center;
    gap: var(--s-2);

    margin: 0 0 var(--s-2);
}

.inline-form:last-child {
    margin-bottom: 0;
}

.row-actions {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: var(--s-3);

    font-size: var(--t-xs);
    font-weight: 700;
}

.row-actions a,
.row-actions button {
    font-size: var(--t-xs);
    font-weight: 700;
    white-space: nowrap;
}

.row-actions button,
.row-actions form button {
    padding: 0;

    background: none;
    border: 0;

    color: var(--c-oxide);
    text-decoration: underline;

    cursor: pointer;
}

.row-actions button:hover {
    background: none;
    color: var(--c-oxide-dark);
}

.row-actions form {
    display: inline;
    margin: 0;
}


/* ==========================================================================
   PAGINATION
   ========================================================================== */

.paginator {
    margin-top: var(--s-5);
}

.pagination {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-2);

    padding: 0;
    margin: 0 0 var(--s-3);

    list-style: none;
}

.pagination li {
    margin: 0;
}

.pagination a,
.pagination .current {
    display: block;

    padding: var(--s-2) var(--s-3);

    background: var(--c-white);
    border: var(--border);
    border-radius: var(--r-md);

    color: var(--c-ink);
    font-size: var(--t-sm);
    font-weight: 600;
    text-decoration: none;
}

.pagination a:hover {
    border-color: var(--c-oxide);
    color: var(--c-oxide);
}

.pagination .current {
    background: var(--c-ink);
    border-color: var(--c-ink);
    color: var(--c-white);
}

.pagination .disabled {
    display: none;
}

.paginator p {
    margin: 0;

    color: var(--c-ink-soft);
    font-size: var(--t-sm);
}


/* ==========================================================================
   AVAILABILITY / SLOT STATUS
   ========================================================================== */

.status-list {
    padding: 0;
    margin: 0 0 var(--s-5);

    list-style: none;
}

.status-list li {
    margin-bottom: var(--s-2);
}

.availability-status,
.slot-status,
.status-mode {
    font-size: var(--t-sm);
    font-weight: 600;
}

.availability-status--available,
.slot-status--available,
.status-mode--automatic {
    color: var(--c-glaze);
}

.availability-status--pending_confirmation,
.slot-status--pending_confirmation {
    color: #8a5c12;
}

.availability-status--unavailable,
.slot-status--unavailable,
.status-mode--manual {
    color: var(--c-oxide-dark);
}

.availability-status--unavailable {
    text-decoration: line-through;
}

.live-status {
    margin-bottom: var(--s-5);

    color: var(--c-ink-soft);
    font-size: var(--t-sm);
}


/* ==========================================================================
   CONFLICT HIGHLIGHTING
   ========================================================================== */

tr.has-conflict {
    background: var(--c-ochre-tint);
}

tr.has-conflict td {
    border-left: 0;
}

tr.has-conflict td:first-child {
    box-shadow: inset 4px 0 0 var(--c-ochre);
}

tr.has-conflict .conflict-note {
    margin: 0 0 var(--s-2);

    color: #8a5c12;
    font-weight: 600;
}


/* ==========================================================================
   MANAGED SERVICES
   ========================================================================== */

.managed-service {
    margin-bottom: var(--s-5);
    padding: var(--s-5);

    background: var(--c-white);
    border: var(--border);
    border-radius: var(--r-lg);
}

.managed-service h2 {
    margin: 0;
    font-size: var(--t-lg);
}

.managed-service__head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--s-3);

    margin-bottom: var(--s-4);
}


/* ==========================================================================
   BACK BUTTON
   ========================================================================== */

.back-link {
    margin-bottom: 1rem;
}

.back-link a {
    color: #666;
    font-size: 0.95rem;
    text-decoration: none;
}

.back-link a:hover {
    text-decoration: underline;
}


/* ==========================================================================
   WORKSHOP / SERVICE DETAIL
   ========================================================================== */

.service-detail__layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: clamp(2rem, 5vw, 4rem);

    align-items: start;
}

.service-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.5rem;

    padding-block: 0.75rem;
    margin-top: -1rem;
    margin-bottom: 2rem;

    border-bottom: var(--border);

    color: var(--c-ink-soft);
    font-size: var(--t-sm);
    line-height: 1.5;
}

.service-detail__media {
    margin: 0 0 2rem;
}

.service-detail__media img {
    display: block;

    width: 100%;
    height: clamp(260px, 40vw, 480px);

    object-fit: cover;

    background: var(--c-raised);
    border: var(--border);
    border-radius: var(--r-lg);
}

.stack {
    margin-bottom: 3rem;
}

.stack > * + * {
    margin-top: var(--s-5);
}


/* ==========================================================================
   HOST
   ========================================================================== */

.host-card {
    display: flex;
    align-items: center;
    gap: 1rem;

    padding-block: 1rem;
    margin: 2rem 0;

    border-top: var(--border);
    border-bottom: var(--border);
}

.host-avatar {
    width: 48px;
    height: 48px;

    flex: 0 0 48px;

    overflow: hidden;

    background: var(--c-raised);
    border: var(--border);
    border-radius: 50%;

    object-fit: cover;
}

.host-info {
    min-width: 0;
}

.host-info strong {
    display: block;

    margin-bottom: 0.2rem;

    font-size: var(--t-base);
    line-height: 1.3;
}

.host-info span,
.host-info p {
    display: block;

    margin: 0;

    color: var(--c-ink-soft);
    font-size: var(--t-sm);
    line-height: 1.45;
}


/* ==========================================================================
   ABOUT PAGE
   ========================================================================== */

.about-intro {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: clamp(2rem, 6vw, 5rem);

    align-items: center;

    margin-bottom: var(--s-8);
}

.about-lede {
    max-width: 38ch;

    margin: 0;

    font-family: var(--f-display);
    font-size: clamp(1.35rem, 1rem + 1vw, var(--t-lg));
    line-height: 1.4;
}

.about-photo {
    overflow: hidden;

    margin: 0;

    background: var(--c-raised);
    border: var(--border);
    border-radius: var(--r-lg);
}

.about-photo img {
    display: block;

    width: 100%;
    aspect-ratio: 4 / 3;

    object-fit: cover;
    object-position: center 30%;

    transition: transform 300ms ease;
}

.about-photo:hover img {
    transform: scale(1.02);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--s-6);
}

.about-grid > * {
    min-width: 0;
}

.about-visit {
    max-width: 620px;
}


/* ==========================================================================
   AUTHENTICATION
   ========================================================================== */

.auth {
    min-height: 100vh;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    padding: var(--s-6) var(--s-5);

    background:
        linear-gradient(
            180deg,
            var(--c-paper) 0%,
            var(--c-raised) 100%
        );
}

.auth__brand {
    display: inline-flex;
    align-items: center;
    gap: var(--s-3);

    margin-bottom: var(--s-5);

    color: var(--c-ink);
    font-family: var(--f-display);
    font-size: var(--t-md);
    font-weight: 700;
    text-decoration: none;
}

.auth__brand:hover {
    color: var(--c-oxide);
}

.auth__card {
    width: 100%;
    max-width: 440px;

    padding: var(--s-6);

    background: var(--c-white);
    border: var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-2);
}

.auth__card--wide {
    max-width: 620px;
}

.auth__title {
    margin-bottom: var(--s-2);
}

.auth__lead {
    margin-bottom: var(--s-5);

    color: var(--c-ink-soft);
    font-size: var(--t-sm);
}

.auth__actions {
    margin-top: var(--s-5);
}

.auth__actions .button {
    width: 100%;
}

.auth__alt {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--s-4);

    margin-top: var(--s-5);
    padding-top: var(--s-5);

    border-top: var(--border);

    color: var(--c-ink-soft);
    font-size: var(--t-sm);
}

.auth__back {
    margin-top: var(--s-5);

    font-size: var(--t-sm);
}


/* ==========================================================================
   ROLE CHOOSER
   ========================================================================== */

.role-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--s-5);

    width: 100%;
    max-width: 760px;
}

.role-card {
    display: flex;
    flex-direction: column;

    padding: var(--s-6);

    background: var(--c-white);
    border: var(--border);
    border-radius: var(--r-lg);
}

.role-card p {
    color: var(--c-ink-soft);
    font-size: var(--t-sm);
}

.role-card .button {
    width: 100%;
    margin-top: auto;
}

.role-card__alt {
    margin-top: var(--s-4);

    font-size: var(--t-sm);
    text-align: center;
}


/* ==========================================================================
   ERROR PAGES
   ========================================================================== */

.error-page {
    min-height: 100vh;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    padding: var(--s-6) var(--s-5);

    text-align: center;
}

.error-page__code {
    margin-bottom: var(--s-3);

    color: var(--c-oxide);
    font-family: var(--f-display);
    font-size: var(--t-4xl);
}

.error-page p {
    margin-inline: auto;
}


/* ==========================================================================
   AVAILABILITY CALENDAR
   ========================================================================== */

.availability-preview {
    margin-top: var(--s-6);
    padding-top: var(--s-6);

    border-top: var(--border);
}

.availability-preview h3 {
    margin-bottom: var(--s-4);
}

.availability-list {
    padding: 0;
    margin: 0;

    list-style: none;
}

.availability-list li {
    padding: 0.75rem;
    margin-bottom: 0.75rem;

    background: var(--c-paper);
    border: var(--border);
    border-radius: var(--r-md);
}


/* --------------------------------------------------------------------------
   Flatpickr
   -------------------------------------------------------------------------- */

#availability-calendar {
    width: 100%;
}

.flatpickr-calendar {
    width: 100%;
    max-width: 100%;

    box-shadow: none;
    border: 1px solid #e5e5e5;
    border-radius: 12px;
}

.flatpickr-calendar.inline {
    display: block;
}

.flatpickr-day {
    max-width: none;
}

.flatpickr-day.has-availability {
    position: relative;

    font-weight: 600;
}

.flatpickr-day.has-availability::after {
    content: "";

    position: absolute;
    left: 50%;
    bottom: 4px;

    width: 5px;
    height: 5px;

    border-radius: 50%;

    transform: translateX(-50%);
}


/* --------------------------------------------------------------------------
   Availability time buttons
   -------------------------------------------------------------------------- */

#availability-times {
    margin-top: 1rem;
}

.availability-times__heading {
    margin-bottom: 0.75rem;

    font-weight: 600;
}

.availability-times__list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;

    margin-top: 10px;
    margin-bottom: 1rem;
}

#availability-times .availability-time {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    width: auto;
    min-width: 90px;
    height: auto;

    padding: 8px 14px;
    margin: 0;

    background: #fff;
    border: 1px solid #d9d9d9;
    border-radius: 8px;

    color: #333;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    line-height: 1.2;

    cursor: pointer;
    box-shadow: none;

    transition:
        background-color 0.15s ease,
        border-color 0.15s ease,
        transform 0.15s ease;
}

#availability-times .availability-time:hover {
    background: #f7f7f7;
    border-color: #222;
    color: #222;
}

#availability-times .availability-time:active {
    transform: scale(0.98);
}

#availability-times .availability-time:focus {
    outline: none;
    box-shadow: none;
}

#availability-times .availability-time.is-selected {
    background: #222;
    border-color: #222;
    color: #fff;
}

.availability-empty {
    color: #666;
    font-size: 0.95rem;
}


/* ==========================================================================
   BOOKING PAGE
   ========================================================================== */

.booking-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 3rem;

    align-items: start;
}

.booking-main {
    min-width: 0;
}

.booking-section {
    margin-bottom: 2.5rem;
}

.booking-section h2 {
    margin: 0 0 1.25rem;
}

.booking-section > label {
    display: block;

    margin-bottom: 0.75rem;
}

.booking-field {
    margin-bottom: 1.25rem;
}

.button--book-now {
    background: var(--c-oxide);
    border-color: var(--c-oxide);
    color: white;
    font-weight: 700;
}

.button--book-now:hover {
    background: var(--c-oxide-dark);
    border-color: var(--c-oxide-dark);
    color: white;
}

.button-row .button--book-now {
    width: 100%;
    text-align: center;
}


/* --------------------------------------------------------------------------
   Booking sidebar
   -------------------------------------------------------------------------- */

.booking-sidebar {
    position: sticky;
    top: 2rem;

    padding: 1.5rem;

    background: var(--c-white);
    border: var(--border);
    border-radius: var(--r-lg);
}

.booking-value {
    padding: 0.9rem 1rem;
    margin: 0;

    background: var(--c-white);
    border: var(--border);
    border-radius: var(--r-md);

    font-weight: 500;
}


/* --------------------------------------------------------------------------
   Booking calendar
   -------------------------------------------------------------------------- */

#booking-calendar {
    margin-bottom: 1.5rem;
}

#booking-calendar .flatpickr-calendar {
    width: 340px !important;
    max-width: 340px !important;

    box-sizing: border-box;
}

#booking-calendar .flatpickr-calendar.inline {
    display: block;
}

/* Header */
#booking-calendar .flatpickr-months {
    height: 48px;
}

#booking-calendar .flatpickr-month {
    height: 48px;
}

/* Month + year */
#booking-calendar .flatpickr-current-month {
    position: absolute;

    width: 75%;
    left: 12.5%;

    padding: 7px 0 0;

    font-size: 1rem;
    line-height: 1.2;
    text-align: center;

    white-space: nowrap;
}

#booking-calendar .flatpickr-current-month
.flatpickr-monthDropdown-months {
    width: auto !important;
    min-width: 0 !important;
    max-width: none !important;

    margin: 0 !important;
    padding: 0 !important;

    background: transparent !important;
    border: 0 !important;
    box-shadow: none !important;

    font-size: 1rem;
    line-height: 1.2;
}

#booking-calendar .flatpickr-current-month input.cur-year {
    width: 4ch !important;
    min-width: 4ch !important;
    max-width: 5ch !important;

    margin: 0 !important;
    padding: 0 !important;

    background: transparent !important;
    border: 0 !important;
    box-shadow: none !important;

    font-size: 1rem !important;
    line-height: 1.2 !important;
    text-align: center;
}

/* Navigation arrows */
#booking-calendar .flatpickr-prev-month,
#booking-calendar .flatpickr-next-month {
    top: 0;

    height: 48px;
    padding: 12px;
}

/* Calendar days */
#booking-calendar .flatpickr-days,
#booking-calendar .dayContainer {
    width: auto;
}


/* --------------------------------------------------------------------------
   Booking CAPTCHA
   -------------------------------------------------------------------------- */

.booking-captcha {
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
}


/* --------------------------------------------------------------------------
   Message character counter
   -------------------------------------------------------------------------- */

.character-count {
    margin-top: 0.4rem;

    color: var(--c-ink-soft);
    font-size: var(--t-xs);
    text-align: right;
}


/* --------------------------------------------------------------------------
   Booking submit
   -------------------------------------------------------------------------- */

.booking-submit {
    margin-top: 1.5rem;
}


/* --------------------------------------------------------------------------
   Required fields
   -------------------------------------------------------------------------- */

.booking-main label.required::after {
    content: " *";

    color: #d93025;
    font-weight: 700;
}


/* --------------------------------------------------------------------------
   Booking host card
   -------------------------------------------------------------------------- */

.booking-main .host-card {
    margin: 0 0 1.25rem;
}


/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

.sidebar-toggle,
.sidebar-overlay {
    display: none;
}

@media (max-width: 768px) {

    body.app-nav-open { overflow: hidden; }

    .app { grid-template-columns: minmax(0, 1fr); }

    .app__main {
        padding: calc(var(--s-8) + var(--s-4)) var(--s-4) var(--s-7);
    }

    .sidebar-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        position: fixed;
        top: var(--s-4);
        left: var(--s-4);
        z-index: 1200;
        width: 44px;
        height: 44px;
        padding: 0;
        border-radius: var(--r-md);
        background: var(--c-oxide);
        box-shadow: var(--shadow-1);
    }

    .sidebar-toggle:hover { background: var(--c-oxide-dark); }

    .sidebar-close {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        padding: 0;
        border-radius: var(--r-md);
        font-size: var(--t-lg);
        line-height: 1;
    }

    .sidebar-close:hover { background: rgba(251, 246, 239, 0.10); }

    .sidebar-toggle[aria-expanded="true"] {
        visibility: hidden;
    }

    .sidebar-overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(36, 28, 22, 0.52);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.2s ease, visibility 0.2s ease;
        z-index: 1000;
    }

    .sidebar-overlay.is-open {
        opacity: 1;
        visibility: visible;
    }


    /* Mobile sidebar */
    .app__sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 280px;
        height: 100vh;
        z-index: 1100;
        transform: translateX(-100%);
        transition: transform 0.2s ease;
    }

    .app__sidebar.is-open {
        transform: translateX(0);
    }
}

/* Switch content width once; animating grid tracks reflows every page element per frame. */
@media (min-width: 769px) {
    .app { transition: none; }
    .app__sidebar { width: 250px; min-width: 0; transition: transform .18s ease, visibility .18s ease; }
    .app__main { grid-column: 2; }
    .app.sidebar-collapsed { grid-template-columns: 0 minmax(0, 1fr); }
    .app.sidebar-collapsed .app__sidebar { transform: translateX(-100%); visibility: hidden; }
    .app.sidebar-collapsed .app__main { padding-top: calc(var(--s-8) + var(--s-4)); }
    .sidebar-close { display: inline-flex; flex-shrink: 0; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: var(--r-md); font-size: var(--t-lg); }
    .sidebar-close:hover { background: rgba(251, 246, 239, .1); }
    .app.sidebar-collapsed .sidebar-toggle { display: inline-flex; align-items: center; justify-content: center; position: fixed; top: var(--s-4); left: var(--s-4); z-index: 1200; width: 44px; height: 44px; padding: 0; border-radius: var(--r-md); background: var(--c-oxide); box-shadow: var(--shadow-1); }
    .sidebar-toggle:hover { background: var(--c-oxide-dark); }
}
@media (max-width: 768px) {
    .app__sidebar { max-width: calc(100vw - 32px); height: 100dvh; visibility: hidden; transition: transform .3s ease, visibility .3s ease; }
    .app__sidebar.is-open { visibility: visible; }
    .sidebar-overlay { transition: opacity .3s ease, visibility .3s ease; }
}
.sidebar-toggle:focus-visible, .sidebar-close:focus-visible { outline: 3px solid var(--c-focus); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) {
    .app, .app__sidebar, .sidebar-overlay { transition: none; }
}

/* A quiet full-width control gives the brand room to breathe. */
.app-sidebar__header {
    flex-direction: column;
    align-items: stretch;
    gap: var(--s-5);
}
.app-sidebar__header .sidebar-close {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: var(--s-3);
    width: 100%;
    height: 40px;
    padding: 0 var(--s-3);
    border: 1px solid rgba(251, 246, 239, .1);
    border-radius: var(--r-md);
    background: rgba(251, 246, 239, .035);
    color: var(--c-raised);
    font: 500 var(--t-xs)/1 var(--f-body);
    letter-spacing: .01em;
    transition: background .18s ease, border-color .18s ease, color .18s ease;
}
.app-sidebar__header .sidebar-close:hover {
    background: rgba(251, 246, 239, .09);
    border-color: rgba(251, 246, 239, .24);
    color: var(--c-white);
}
.app-sidebar__header .sidebar-close:active { background: rgba(251, 246, 239, .14); }
.app-sidebar__header .sidebar-close svg {
    display: block;
    flex-shrink: 0;
    opacity: .75;
    transition: transform .18s ease;
}
.app-sidebar__header .sidebar-close:hover svg { transform: translateX(-2px); opacity: 1; }
@media (prefers-reduced-motion: reduce) {
    .app-sidebar__header .sidebar-close,
    .app-sidebar__header .sidebar-close svg { transition: none; }
    .app-sidebar__header .sidebar-close:hover svg { transform: none; }
}

/* Persistent content-header toggle, shared by expanded and collapsed states. */
.app .app__main { padding: 0; }
.app .app__inner { padding: var(--s-6) var(--s-6) var(--s-8); max-width: 1164px; }
.app .app__inner--wide { max-width: 1664px; }
.app-topbar { display: flex; align-items: center; gap: var(--s-5); min-height: 72px; padding: var(--s-3) var(--s-6); border-bottom: var(--border); background: var(--c-paper); }
.app .app-topbar .sidebar-toggle { display: inline-flex; align-items: center; justify-content: center; position: static; visibility: visible; flex: 0 0 40px; width: 40px; height: 40px; padding: 0; border: 0; border-radius: var(--r-md); color: var(--c-ink); background: transparent; box-shadow: none; z-index: auto; }
.app .app-topbar .sidebar-toggle:hover { background: var(--c-raised); color: var(--c-oxide); }
.app-topbar__context { display: flex; align-items: center; gap: var(--s-3); min-width: 0; padding-left: var(--s-5); border-left: var(--border); font-size: var(--t-xs); letter-spacing: .12em; text-transform: uppercase; color: var(--c-ink-soft); }
.app-topbar__title { color: var(--c-ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (min-width: 769px) {
    .app-sidebar__header .sidebar-close { display: none; }
    .app.sidebar-collapsed .app__main { padding-top: 0; }
    .app.sidebar-collapsed .app__inner { width: 100%; margin-inline: auto; }
}
@media (max-width: 768px) {
    .app-topbar { min-height: 64px; padding-inline: var(--s-4); gap: var(--s-3); }
    .app-topbar__context { padding-left: var(--s-3); letter-spacing: .06em; }
    .app .app__inner { padding: var(--s-5) var(--s-4) var(--s-7); }
}

/* Epic 5 schedule controls */
.page-section { margin-block: var(--s-7); }
.schedule-filters { display: flex; flex-wrap: wrap; gap: var(--s-3); align-items: end; }
.schedule-filters .input { margin: 0; }
.schedule-conflict { background: #fff3f0; }
.conflict-label { color: #a42d18; }
.notice--warning { border-left: 4px solid #c97700; padding: var(--s-4); background: #fff8e8; }