/* Without this, width: 100% + padding (content-box) pushes .content past the
   viewport on small screens (D3). */
*,
*::before,
*::after {
    box-sizing: border-box;
}

/* SpinLock design tokens */
:root {
    --sl-bg: #f5f6f8;
    --sl-surface: #ffffff;
    --sl-text: #1c2330;
    --sl-text-muted: #5c6572;
    --sl-primary: #2f6fed;
    --sl-primary-hover: #2458c4;
    --sl-primary-soft: #e8f0fe;
    --sl-border: #d9dde3;
    --sl-danger: #c0392b;
    --sl-danger-bg: #fdecea;
    --sl-success: #1e7e4e;
    --sl-success-bg: #e6f4ec;
    --sl-warning: #9a6b00;
    --sl-warning-bg: #fff6e0;
    --sl-radius: 10px;
    --sl-shadow: 0 2px 12px rgba(28, 35, 48, 0.08);
    --sl-topbar-height: 56px;
}

html, body {
    margin: 0;
    background: var(--sl-bg);
    color: var(--sl-text);
    font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

h1, h2, h3 {
    line-height: 1.2;
}

a {
    color: var(--sl-primary);
    text-decoration: none;
}

    a:hover {
        text-decoration: underline;
    }

code {
    background: #eef0f3;
    border-radius: 4px;
    padding: 0.1rem 0.35rem;
    font-size: 0.9em;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.55rem 1.1rem;
    border: 1px solid var(--sl-border);
    border-radius: var(--sl-radius);
    background: var(--sl-surface);
    color: var(--sl-text);
    font-size: 1rem;
    font-family: inherit;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

    .btn:hover {
        background: #f0f2f5;
        text-decoration: none;
    }

.btn-primary {
    border-color: transparent;
    background: var(--sl-primary);
    color: #fff;
}

    .btn-primary:hover {
        background: var(--sl-primary-hover);
    }

.btn-danger {
    border-color: transparent;
    background: var(--sl-danger);
    color: #fff;
}

    .btn-danger:hover {
        background: #a5301f;
    }

.btn-ghost {
    border-color: transparent;
    background: transparent;
    color: var(--sl-text-muted);
}

    .btn-ghost:hover {
        background: rgba(28, 35, 48, 0.06);
        color: var(--sl-text);
    }

.btn-sm {
    padding: 0.3rem 0.75rem;
    font-size: 0.9rem;
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Shell: topbar + content */
.page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--sl-surface);
    border-bottom: 1px solid var(--sl-border);
}

.topbar-inner {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    height: var(--sl-topbar-height);
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

.topbar-brand {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--sl-text);
    letter-spacing: 0.01em;
}

    .topbar-brand:hover {
        text-decoration: none;
        color: var(--sl-primary);
    }

.topbar-nav {
    display: flex;
    gap: 0.25rem;
}

    .topbar-nav a {
        padding: 0.35rem 0.8rem;
        border-radius: var(--sl-radius);
        color: var(--sl-text-muted);
        font-weight: 500;
    }

        .topbar-nav a:hover {
            background: var(--sl-primary-soft);
            color: var(--sl-primary);
            text-decoration: none;
        }

        .topbar-nav a.active {
            background: var(--sl-primary-soft);
            color: var(--sl-primary);
        }

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-left: auto;
}

/* Shown only on narrow screens (see the 640 px media block). */
.topbar-admin-short {
    display: none;
}

.topbar-user {
    color: var(--sl-text-muted);
    font-size: 0.95rem;
    max-width: 240px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.topbar-logout {
    display: flex;
}

.content {
    flex: 1;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.25rem 1rem 2rem;
}

/* Centered layout (login, register, error pages) */
.centered-layout {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background: var(--sl-surface);
    border: 1px solid var(--sl-border);
    border-radius: var(--sl-radius);
    box-shadow: var(--sl-shadow);
    padding: 2rem;
}

.brand {
    margin: 0;
    font-size: 1.75rem;
}

.tagline {
    margin: 0.25rem 0 1.5rem;
    color: var(--sl-text-muted);
}

.field {
    margin-bottom: 1rem;
}

    .field label {
        display: block;
        margin-bottom: 0.3rem;
        font-weight: 500;
    }

    /* Blazor InputText omits the type attribute unless set explicitly, so
       match attribute-less inputs as well. */
    .field input:not([type]),
    .field input[type="text"],
    .field input[type="email"],
    .field input[type="password"] {
        width: 100%;
        box-sizing: border-box;
        padding: 0.55rem 0.7rem;
        border: 1px solid var(--sl-border);
        border-radius: var(--sl-radius);
        font-size: 1rem;
        font-family: inherit;
    }

        .field input:not([type]):focus,
        .field input[type="text"]:focus,
        .field input[type="email"]:focus,
        .field input[type="password"]:focus {
            outline: none;
            border-color: var(--sl-primary);
            box-shadow: 0 0 0 3px rgba(47, 111, 237, 0.15);
        }

    .field input.invalid {
        outline: 1px solid var(--sl-danger);
    }

.field-checkbox label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 400;
    cursor: pointer;
}

.validation-message {
    color: var(--sl-danger);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.notice {
    margin-bottom: 1rem;
    padding: 0.65rem 0.85rem;
    border-radius: var(--sl-radius);
    font-size: 0.95rem;
}

.notice-error {
    background: var(--sl-danger-bg);
    color: var(--sl-danger);
}

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

.switch-link {
    margin: 1.25rem 0 0;
    text-align: center;
    color: var(--sl-text-muted);
}

/* Error pages (404 / 500) */
.error-card {
    text-align: center;
    max-width: 440px;
}

    .error-card h1 {
        font-size: 1.4rem;
        margin: 0.25rem 0 0.75rem;
    }

    .error-card .btn-block {
        margin-top: 1.5rem;
    }

.error-code {
    margin: 0;
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--sl-primary);
    opacity: 0.35;
    line-height: 1;
}

.error-message {
    color: var(--sl-text-muted);
}

.error-request-id {
    font-size: 0.85rem;
    color: var(--sl-text-muted);
}

/* Calendar */
.calendar-page {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.cal-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.cal-toolbar-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.cal-toolbar-extra {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.cal-view-toggle {
    display: flex;
    background: var(--sl-surface);
    border: 1px solid var(--sl-border);
    border-radius: var(--sl-radius);
    padding: 2px;
}

.cal-toggle-btn {
    border: none;
    background: transparent;
    padding: 0.3rem 0.9rem;
    border-radius: 7px;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--sl-text-muted);
    cursor: pointer;
}

    .cal-toggle-btn.is-active {
        background: var(--sl-primary);
        color: #fff;
    }

.cal-nav-btn {
    width: 32px;
    height: 32px;
    border: 1px solid var(--sl-border);
    border-radius: 8px;
    background: var(--sl-surface);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    color: var(--sl-text-muted);
}

    .cal-nav-btn:hover {
        background: #f0f2f5;
        color: var(--sl-text);
    }

.cal-title {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 600;
    white-space: nowrap;
}

.cal {
    position: relative;
    background: var(--sl-surface);
    border: 1px solid var(--sl-border);
    border-radius: var(--sl-radius);
    box-shadow: var(--sl-shadow);
    overflow: hidden;
}

.cal-head {
    display: grid;
    grid-template-columns: 56px repeat(var(--cal-cols), 1fr);
    border-bottom: 1px solid var(--sl-border);
}

.cal-gutter-spacer {
    border-right: 1px solid var(--sl-border);
}

.cal-day-head {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 0.5rem 0.25rem;
    border-left: 1px solid var(--sl-border);
}

.cal-day-name {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--sl-text-muted);
}

.cal-day-date {
    font-size: 0.9rem;
    font-weight: 600;
}

.cal-day-head.is-today .cal-day-date {
    display: grid;
    place-items: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--sl-primary);
    color: #fff;
    font-size: 0.85rem;
}

.cal-scroll {
    overflow-y: auto;
    max-height: calc(100vh - 330px);
    max-height: calc(100dvh - 330px);
    min-height: 320px;
}

.cal-body {
    display: grid;
    grid-template-columns: 56px repeat(var(--cal-cols), 1fr);
    position: relative;
}

.cal-gutter {
    border-right: 1px solid var(--sl-border);
}

.cal-gutter-cell {
    height: 48px;
    font-size: 0.7rem;
    color: var(--sl-text-muted);
    text-align: right;
    padding: 0 6px;
    transform: translateY(-0.55em);
}

.cal-day {
    position: relative;
    border-left: 1px solid var(--sl-border);
}

.cal-hour-line {
    position: absolute;
    left: 0;
    right: 0;
    border-top: 1px solid var(--sl-border);
    opacity: 0.55;
}

.cal-now-line {
    position: absolute;
    left: 0;
    right: 0;
    border-top: 2px solid var(--sl-danger);
    z-index: 5;
}

.cal-now-dot {
    position: absolute;
    left: -4px;
    top: -5px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--sl-danger);
}

.cal-block {
    position: absolute;
    display: flex;
    flex-direction: column;
    gap: 1px;
    overflow: hidden;
    border-radius: 6px;
    padding: 2px 6px;
    font-size: 0.72rem;
    line-height: 1.3;
    background: var(--sl-primary-soft);
    border: 1px solid rgba(47, 111, 237, 0.35);
    border-left: 3px solid var(--sl-primary);
    cursor: pointer;
}

.cal-block:hover {
    background: var(--sl-primary);
    border-color: var(--sl-primary);
    color: #ffffff;
}

.cal-block.is-mine {
    background: #dbe7fd;
    border: 2px solid var(--sl-primary);
}

.cal-block.is-cancelled {
    opacity: 0.55;
    background: #eef0f3;
    border: 1px dashed var(--sl-border);
    border-left: 3px solid var(--sl-text-muted);
}

/* Two-class specificity beats .cal-block:hover above, so repeat the hover per state. */
.cal-block.is-mine:hover {
    background: var(--sl-primary);
    border-color: var(--sl-primary);
    color: #ffffff;
}

.cal-block.is-cancelled:hover {
    opacity: 0.75;
}

.cal-block-time {
    font-weight: 600;
}

.cal-block-owner {
    font-weight: 500;
}

.cal-block-equipment {
    color: var(--sl-text-muted);
}

.cal-block-cancelled {
    color: var(--sl-danger);
    font-weight: 600;
}

/* A block too short (≤45 min, class from C#) or too narrow (<70 px with many
   lanes — spinlock.applyCompactBlocks adds the same class after render) shows
   the time only. */
.cal-block.is-compact :not(.cal-block-time) {
    display: none;
}

/* D16: in a dense cluster the lane can be narrower than this block's
   padding+border minimum (2+6+2+6+1+3 = 16 px); under border-box the browser
   then expands the block into the neighbor's lane and it steals the
   neighbor's clicks. Compact blocks shrink the box, and below 16 px the bar
   has no text at all — a 2 px stripe, time in the title tooltip. */
.cal-block.is-compact {
    padding: 1px 2px;
    border-left-width: 2px;
}

.cal-block.is-tiny {
    padding: 0;
    border-left-width: 1px;
}

.cal-block.is-tiny .cal-block-time {
    display: none;
}

.cal-empty {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: var(--sl-text-muted);
    pointer-events: none;
}

/* Equipment filter */
.cal-filter {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.cal-filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.cal-caret {
    font-size: 0.8rem;
    color: var(--sl-text-muted);
}

.cal-filter-count {
    background: var(--sl-primary);
    color: #fff;
    border-radius: 999px;
    font-size: 0.75rem;
    padding: 0 0.45rem;
}

.cal-filter-panel {
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    z-index: 60;
    width: 270px;
    max-height: 320px;
    overflow-y: auto;
    background: var(--sl-surface);
    border: 1px solid var(--sl-border);
    border-radius: var(--sl-radius);
    box-shadow: var(--sl-shadow);
    padding: 0.6rem;
}

.cal-filter-all {
    width: 100%;
    border: none;
    background: var(--sl-primary-soft);
    color: var(--sl-primary);
    font: inherit;
    font-weight: 600;
    padding: 0.4rem;
    border-radius: 8px;
    cursor: pointer;
    margin-bottom: 0.4rem;
}

.cal-filter-group-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--sl-text-muted);
    margin: 0.5rem 0 0.15rem;
}

.cal-filter-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 0.25rem;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
}

    .cal-filter-item:hover {
        background: #f0f2f5;
    }

    .cal-filter-item input {
        accent-color: var(--sl-primary);
    }

.cal-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: var(--sl-primary-soft);
    color: var(--sl-primary);
    border-radius: 999px;
    padding: 0.2rem 0.45rem 0.2rem 0.7rem;
    font-size: 0.85rem;
    font-weight: 500;
}

.cal-chip-x {
    border: none;
    background: transparent;
    color: inherit;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    padding: 0 3px;
    border-radius: 50%;
}

    .cal-chip-x:hover {
        background: rgba(47, 111, 237, 0.2);
    }

/* Toasts (rendered inside interactive islands) */
.toast-region {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 360px;
    width: calc(100% - 2rem);
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    background: var(--sl-surface);
    border: 1px solid var(--sl-border);
    border-left: 4px solid var(--sl-primary);
    border-radius: var(--sl-radius);
    box-shadow: var(--sl-shadow);
    padding: 0.7rem 0.9rem;
    animation: sl-toast-in 0.2s ease-out;
}

@keyframes sl-toast-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

.toast-success {
    border-left-color: var(--sl-success);
}

.toast-error {
    border-left-color: var(--sl-danger);
}

.toast-message {
    flex: 1;
    font-size: 0.95rem;
}

.toast-close {
    border: none;
    background: transparent;
    color: var(--sl-text-muted);
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.1rem 0.3rem;
    border-radius: 4px;
}

    .toast-close:hover {
        background: rgba(28, 35, 48, 0.08);
        color: var(--sl-text);
    }

/* Blazor circuit error UI */
#blazor-error-ui {
    background: var(--sl-danger-bg);
    color: var(--sl-danger);
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    display: none;
    left: 0;
    padding: 0.6rem 3rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

    #blazor-error-ui .reload {
        color: var(--sl-danger);
        font-weight: 600;
        margin-left: 0.75rem;
    }

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }

.blazor-error-boundary {
    background: var(--sl-danger-bg);
    color: var(--sl-danger);
    padding: 1rem;
    border-radius: var(--sl-radius);
}

/* Booking modal / bottom sheet */
.cal-new-btn {
    white-space: nowrap;
}

.cal-fab {
    display: none;
}

.booking-overlay {
    position: fixed;
    inset: 0;
    z-index: 150;
    background: rgba(28, 35, 48, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.booking-panel {
    display: flex;
    flex-direction: column;
    width: min(560px, 100%);
    max-height: min(90vh, 720px);
    background: var(--sl-surface);
    border-radius: var(--sl-radius);
    box-shadow: 0 12px 40px rgba(28, 35, 48, 0.25);
}

.booking-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.9rem 1.1rem;
    border-bottom: 1px solid var(--sl-border);
}

.booking-panel-title {
    margin: 0;
    font-size: 1.05rem;
}

.booking-close {
    border: none;
    background: transparent;
    color: var(--sl-text-muted);
    font-size: 1.05rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.25rem 0.45rem;
    border-radius: 6px;
}

    .booking-close:hover {
        background: rgba(28, 35, 48, 0.08);
        color: var(--sl-text);
    }

.booking-panel-body {
    overflow-y: auto;
    padding: 1rem 1.1rem 1.2rem;
}

.booking-fields {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 0.6rem;
}

.booking-field {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.booking-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--sl-text-muted);
}

.booking-input {
    width: 100%;
    padding: 0.5rem 0.6rem;
    border: 1px solid var(--sl-border);
    border-radius: 8px;
    background: var(--sl-surface);
    color: var(--sl-text);
    font: inherit;
}

    .booking-input:focus {
        outline: 2px solid var(--sl-primary-soft);
        border-color: var(--sl-primary);
    }

.booking-equipment {
    margin-top: 1rem;
}

.booking-equipment-title {
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.booking-equipment-category {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--sl-text-muted);
    margin: 0.55rem 0 0.15rem;
}

.booking-hint {
    color: var(--sl-text-muted);
    font-size: 0.9rem;
    padding: 0.4rem 0.25rem;
}

.booking-eq {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.38rem 0.4rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.95rem;
}

    .booking-eq:hover {
        background: #f0f2f5;
    }

    .booking-eq input {
        accent-color: var(--sl-primary);
    }

    .booking-eq.is-unavailable {
        color: var(--sl-text-muted);
        cursor: not-allowed;
    }

    .booking-eq.is-unavailable:hover {
        background: transparent;
    }

.booking-eq-name {
    flex: 1;
}

.booking-eq-badge {
    background: var(--sl-warning-bg);
    color: var(--sl-warning);
    border-radius: 999px;
    padding: 0.1rem 0.5rem;
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
}

.form-error {
    margin-top: 1rem;
    background: var(--sl-danger-bg);
    color: var(--sl-danger);
    border-radius: 8px;
    padding: 0.6rem 0.8rem;
    font-size: 0.92rem;
}

.form-error-title {
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.form-error-list {
    margin: 0;
    padding-left: 1.1rem;
}

/* Sticky inside the scrolling .booking-panel-body so the buttons stay in the
   viewport on small screens (D4). */
.booking-actions {
    position: sticky;
    bottom: 0;
    display: flex;
    justify-content: flex-end;
    gap: 0.6rem;
    margin-top: 1.1rem;
    padding: 0.9rem 0 0.6rem;
    border-top: 1px solid var(--sl-border);
    background: var(--sl-surface);
}

/* Drag-to-create preview */
.cal-drag-preview {
    position: absolute;
    left: 2px;
    right: 2px;
    z-index: 5;
    background: var(--sl-primary-soft);
    border: 1px dashed var(--sl-primary);
    border-radius: 6px;
    pointer-events: none;
}

.cal-body.is-dragging {
    user-select: none;
}

    .cal-body.is-dragging .cal-day {
        cursor: ns-resize;
    }

/* Reservation detail modal (S7) */
.booking-panel-narrow {
    width: min(460px, 100%);
}

.rdetail {
    display: grid;
    gap: 0.7rem;
    margin: 0 0 1.1rem;
}

.rdetail-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    margin: 0;
}

.rdetail-row dt {
    color: var(--sl-text-muted);
}

.rdetail-row dd {
    margin: 0;
    font-weight: 600;
    text-align: right;
}

.rdetail-equipment-title {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--sl-text-muted);
    margin-bottom: 0.4rem;
}

.rdetail-equipment {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    list-style: none;
    margin: 0 0 1rem;
    padding: 0;
}

.rdetail-equipment li {
    background: var(--sl-bg);
    border: 1px solid var(--sl-border);
    border-radius: 999px;
    padding: 0.22rem 0.7rem;
    font-size: 0.88rem;
}

.rdetail-cancelled {
    display: inline-block;
    background: var(--sl-danger-bg);
    color: var(--sl-danger);
    border-radius: 999px;
    padding: 0.25rem 0.8rem;
    font-size: 0.85rem;
    font-weight: 600;
}

.rdetail-confirm {
    margin-bottom: 0.5rem;
}

.rdetail-confirm-question {
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.rdetail-confirm-frees {
    color: var(--sl-text-muted);
}

.rdetail-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.6rem;
    margin-top: 1.1rem;
    padding-top: 0.9rem;
    border-top: 1px solid var(--sl-border);
}

/* S9: admin panel */
.admin-page {
    max-width: 1100px;
    margin: 0 auto;
}

.admin-title {
    font-size: 1.5rem;
    margin: 0 0 1rem;
}

.admin-tabs {
    display: flex;
    gap: 0.25rem;
    border-bottom: 1px solid var(--sl-border);
    margin-bottom: 1.25rem;
}

.admin-tab {
    padding: 0.6rem 1rem;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--sl-text-muted);
    font-size: 0.95rem;
    font-weight: 600;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}

.admin-tab:hover {
    color: var(--sl-text);
}

.admin-tab.active {
    color: var(--sl-primary);
    border-bottom-color: var(--sl-primary);
}

.admin-tab-panel {
    background: var(--sl-surface);
    border: 1px solid var(--sl-border);
    border-radius: var(--sl-radius);
    box-shadow: var(--sl-shadow);
    padding: 1.25rem;
}

.admin-search {
    max-width: 340px;
    margin-bottom: 0.9rem;
}

.admin-section-title {
    font-size: 1rem;
    margin: 1.4rem 0 0.7rem;
}

.admin-add-row {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
}

.admin-add-row .field-input {
    flex: 0 1 360px;
}

.admin-add-btn {
    margin-bottom: 0.9rem;
}

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

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

.admin-table th {
    text-align: left;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--sl-text-muted);
    padding: 0.45rem 0.6rem;
    border-bottom: 1px solid var(--sl-border);
    white-space: nowrap;
}

.admin-table td {
    padding: 0.55rem 0.6rem;
    border-bottom: 1px solid var(--sl-border);
    vertical-align: middle;
}

.admin-table tr:last-child td {
    border-bottom: none;
}

.admin-table tr.is-inactive td {
    color: var(--sl-text-muted);
}

.admin-th-actions,
.admin-row-actions {
    text-align: right;
}

.admin-row-actions {
    display: flex;
    gap: 0.35rem;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.admin-desc {
    color: var(--sl-text-muted);
    font-size: 0.82rem;
    margin-top: 0.15rem;
}

.admin-badge {
    display: inline-block;
    border-radius: 999px;
    padding: 0.15rem 0.65rem;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.admin-badge.is-active {
    background: var(--sl-success-bg);
    color: var(--sl-success);
}

.admin-badge.is-inactive {
    background: #eef0f3;
    color: var(--sl-text-muted);
}

.admin-badge.is-archived {
    background: var(--sl-warning-bg);
    color: var(--sl-warning);
}

.admin-role-select {
    min-width: 150px;
}

.admin-empty {
    padding: 1.6rem;
    text-align: center;
    color: var(--sl-text-muted);
}

.admin-toggle-row {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    margin-bottom: 0.4rem;
}

.admin-toggle-row span span {
    display: block;
}

.admin-toggle-title {
    font-weight: 600;
}

.admin-toggle-hint {
    color: var(--sl-text-muted);
    font-size: 0.85rem;
}

.admin-modal-error {
    min-height: 1.2rem;
    color: var(--sl-danger);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.admin-modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.6rem;
    margin-top: 0.9rem;
}

.admin-confirm-hint {
    color: var(--sl-text-muted);
    margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .cal-head,
    .cal-body {
        grid-template-columns: 44px repeat(var(--cal-cols), 1fr);
    }

    .cal-gutter-cell {
        font-size: 0.65rem;
        padding-right: 4px;
    }

    .cal-title {
        font-size: 0.95rem;
    }

    .cal-scroll {
        max-height: calc(100vh - 260px);
        max-height: calc(100dvh - 260px);
    }

    /* The row takes the full width, so the dropdown spans it and stays on
       screen (right-anchored to a narrow button it ran off the left edge on
       390 px, D2); the toggle button remains clickable to close the panel. */
    .cal-filter {
        width: 100%;
    }

    .cal-filter-panel {
        left: 0;
        right: 0;
        width: auto;
    }

    .topbar-inner {
        gap: 0.75rem;
        padding: 0 0.75rem;
    }

    .topbar-brand {
        font-size: 1.05rem;
    }

    .topbar-nav a {
        padding: 0.3rem 0.55rem;
    }

    .topbar-user {
        display: none;
    }

    .content {
        padding: 0.9rem 0.75rem 1.5rem;
    }

    .home-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .auth-card {
        padding: 1.5rem 1.25rem;
    }

    .toast-region {
        right: 0.75rem;
        bottom: 0.75rem;
        width: calc(100% - 1.5rem);
        max-width: none;
    }

    .cal-new-btn {
        display: none;
    }

    .cal-fab {
        display: grid;
        place-items: center;
        position: fixed;
        right: 1rem;
        bottom: 1.25rem;
        z-index: 120;
        width: 56px;
        height: 56px;
        border: none;
        border-radius: 50%;
        background: var(--sl-primary);
        color: #fff;
        font-size: 1.7rem;
        line-height: 1;
        cursor: pointer;
        box-shadow: 0 4px 16px rgba(47, 111, 237, 0.4);
    }

        .cal-fab:hover {
            background: var(--sl-primary-hover);
        }

    /* Modal becomes a bottom sheet. */
    .booking-overlay {
        align-items: flex-end;
        padding: 0;
    }

    .booking-panel {
        width: 100%;
        max-height: 88vh;
        border-radius: 14px 14px 0 0;
    }

    .booking-fields {
        grid-template-columns: 1fr;
    }

    .toast-region {
        bottom: 5.5rem;
    }

    /* Touch targets ≥44 px (D7). */
    .btn {
        min-height: 44px;
    }

    .cal-nav-btn {
        min-width: 44px;
        height: 44px;
    }

    .topbar-nav a {
        display: inline-flex;
        align-items: center;
        min-height: 44px;
    }

    .booking-eq {
        min-height: 44px;
    }

    /* Smallest calendar text up to 12 px (D8). */
    .cal-gutter-cell {
        font-size: 0.75rem;
    }

    .cal-day-name {
        font-size: 0.75rem;
    }
}

/* Matches spinlock.isMobile (max-width: 767px): the JS forces Day view there,
   so the Week/Day toggle is hidden to avoid a control that does nothing (D5). */
@media (max-width: 767px) {
    .cal-view-toggle {
        display: none;
    }
}

/* Small phones: admin tables become label/value cards built on the
   data-label attributes from the markup (D10). Desktop markup is untouched. */
@media (max-width: 640px) {
    .admin-tabs {
        flex-wrap: wrap;
    }

    .admin-table-wrap {
        overflow: visible;
    }

    .admin-table {
        font-size: 0.88rem;
    }

    .admin-table thead {
        display: none;
    }

    .admin-table,
    .admin-table tbody,
    .admin-table tr {
        display: block;
        width: 100%;
    }

    .admin-table tr {
        border: 1px solid var(--sl-border);
        border-radius: var(--sl-radius);
        background: var(--sl-surface);
        margin-bottom: 0.7rem;
        padding: 0.2rem 0.7rem;
    }

    .admin-table td {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        gap: 0.8rem;
        width: 100%;
        text-align: right;
        overflow-wrap: anywhere;
        padding: 0.45rem 0;
        border-bottom: 1px solid var(--sl-border-soft);
    }

    .admin-table td::before {
        content: attr(data-label);
        flex-shrink: 0;
        text-align: left;
        font-size: 0.72rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.03em;
        color: var(--sl-text-muted);
    }

    .admin-table tr.is-inactive td {
        color: var(--sl-text-muted);
    }

    .admin-desc {
        flex-basis: 100%;
        margin-top: 0.2rem;
    }

    .admin-row-actions {
        justify-content: flex-start;
        flex-wrap: wrap;
    }

    .admin-role-select {
        min-width: 0;
        width: 160px;
    }

    /* Compact topbar: the long "Admin" label gets a short variant (D6/D10). */
    .topbar-brand {
        font-size: 1rem;
    }

    .topbar-nav a {
        font-size: 0.85rem;
        padding: 0 0.3rem;
    }

    .topbar-admin-full {
        display: none;
    }

    .topbar-admin-short {
        display: inline;
    }
}