/* ==========================================================================
   Support desk UI
   Tokens first; every component below reads from them so light and dark
   themes stay in sync.
   ========================================================================== */

:root {
    color-scheme: light;
    --font-sans: 'Instrument Sans', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    --bg: #f5f6f8;
    --surface: #ffffff;
    --surface-muted: #f8f9fb;
    --surface-sunken: #eef0f4;
    --line: #e2e5eb;
    --line-strong: #cdd2db;
    --ink: #161a22;
    --ink-soft: #3a4150;
    --muted: #5d6576;

    --accent: #3b5bdb;
    --accent-hover: #3049c0;
    --accent-soft: #edf1ff;
    --accent-ink: #2a44b0;
    --on-accent: #ffffff;
    --focus: #3b5bdb;

    --success: #147a4b;
    --success-soft: #e6f5ec;
    --warning: #9a5b00;
    --warning-soft: #fff4dc;
    --danger: #c0262d;
    --danger-hover: #a51f25;
    --danger-soft: #fdecec;
    --on-danger: #ffffff;
    --info: #1f64b5;
    --info-soft: #e7f0fb;
    --violet: #6a3fb5;
    --violet-soft: #f1ebfb;
    --neutral: #4d5566;
    --neutral-soft: #eef0f3;

    --sidebar-bg: #141925;
    --sidebar-ink: #e7eaf1;
    --sidebar-muted: #9aa3b5;
    --sidebar-hover: rgba(255, 255, 255, 0.07);
    --sidebar-active: rgba(255, 255, 255, 0.13);
    --sidebar-line: rgba(255, 255, 255, 0.1);
    /* The sidebar is dark in both themes, so it gets its own lighter accent
       for active states (the light-theme --accent is too dim on it). */
    --sidebar-accent: #8ea2ff;

    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;

    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 14px;
    --radius-pill: 999px;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 0.95rem;
    --text-lg: 1.125rem;
    --text-xl: 1.375rem;
    --text-2xl: 1.75rem;

    --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
    --shadow: 0 1px 3px rgba(16, 24, 40, 0.08), 0 4px 12px rgba(16, 24, 40, 0.05);
    --shadow-lg: 0 12px 32px rgba(16, 24, 40, 0.16);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme='light']) {
        color-scheme: dark;
        --bg: #0f1218;
        --surface: #171b23;
        --surface-muted: #1c212b;
        --surface-sunken: #11151c;
        --line: #2a303c;
        --line-strong: #3a4250;
        --ink: #e9ecf2;
        --ink-soft: #c8cdd8;
        --muted: #a0a8b8;

        --accent: #7c96ff;
        --accent-hover: #93a8ff;
        --accent-soft: #1f2744;
        --accent-ink: #aebdff;
        --on-accent: #0c1022;
        --focus: #93a8ff;

        --success: #5fd49a;
        --success-soft: #133024;
        --warning: #f2bd58;
        --warning-soft: #33280f;
        --danger: #ff8083;
        --danger-hover: #ff9a9c;
        --danger-soft: #3a1719;
        --on-danger: #2a0709;
        --info: #7cb6ff;
        --info-soft: #152a45;
        --violet: #c3a3ff;
        --violet-soft: #2a1f42;
        --neutral: #b7bfcc;
        --neutral-soft: #262c37;

        --sidebar-bg: #0b0e13;
        --sidebar-ink: #e7eaf1;
        --sidebar-muted: #8e97a8;

        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
        --shadow: 0 1px 3px rgba(0, 0, 0, 0.45), 0 4px 12px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.55);
    }
}

:root[data-theme='light'] {
    color-scheme: light;
}

:root[data-theme='dark'] {
    color-scheme: dark;
    --bg: #0f1218;
    --surface: #171b23;
    --surface-muted: #1c212b;
    --surface-sunken: #11151c;
    --line: #2a303c;
    --line-strong: #3a4250;
    --ink: #e9ecf2;
    --ink-soft: #c8cdd8;
    --muted: #a0a8b8;
    --accent: #7c96ff;
    --accent-hover: #93a8ff;
    --accent-soft: #1f2744;
    --accent-ink: #aebdff;
    --on-accent: #0c1022;
    --focus: #93a8ff;
    --success: #5fd49a;
    --success-soft: #133024;
    --warning: #f2bd58;
    --warning-soft: #33280f;
    --danger: #ff8083;
    --danger-hover: #ff9a9c;
    --danger-soft: #3a1719;
    --on-danger: #2a0709;
    --info: #7cb6ff;
    --info-soft: #152a45;
    --violet: #c3a3ff;
    --violet-soft: #2a1f42;
    --neutral: #b7bfcc;
    --neutral-soft: #262c37;
    --sidebar-bg: #0b0e13;
    --sidebar-ink: #e7eaf1;
    --sidebar-muted: #8e97a8;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.45), 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.55);
}

/* ---------- Base ---------- */

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    background: var(--bg);
    color: var(--ink);
    -webkit-text-size-adjust: 100%;
}

body {
    min-height: 100vh;
    margin: 0;
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.5;
    color: var(--ink);
    background: var(--bg);
    overflow-x: hidden;
}

h1,
h2,
h3 {
    margin: 0;
    line-height: 1.25;
    letter-spacing: -0.01em;
    color: var(--ink);
}

p {
    margin: 0;
}

a {
    color: var(--accent-ink);
}

code,
kbd {
    font-family: var(--font-mono);
    font-size: 0.85em;
}

code {
    padding: 1px 6px;
    border-radius: var(--radius-sm);
    background: var(--surface-sunken);
}

kbd {
    padding: 0 5px;
    border: 1px solid var(--line-strong);
    border-bottom-width: 2px;
    border-radius: 4px;
    background: var(--surface);
}

button,
input,
select,
textarea {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
}

[hidden] {
    display: none !important;
}

img,
video {
    max-width: 100%;
}

:focus-visible {
    outline: 2px solid var(--focus);
    outline-offset: 2px;
}

.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.break-anywhere {
    overflow-wrap: anywhere;
    word-break: break-word;
}

#app {
    min-height: 100vh;
}

.eyebrow {
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
}

.muted,
small {
    color: var(--muted);
}

small {
    font-size: var(--text-sm);
}

.lede {
    max-width: 60ch;
    color: var(--muted);
    font-size: var(--text-lg);
}

/* ---------- Spinner ---------- */

.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: sd-spin 0.7s linear infinite;
    vertical-align: -2px;
    flex-shrink: 0;
}

@keyframes sd-spin {
    to {
        transform: rotate(360deg);
    }
}

/* ---------- Boot / auth ---------- */

.boot-screen {
    display: grid;
    place-items: center;
    min-height: 100vh;
    padding: var(--space-6);
}

.boot-screen .panel {
    display: grid;
    gap: var(--space-2);
    justify-items: center;
    text-align: center;
    max-width: 440px;
}

.boot-screen h1 {
    font-size: var(--text-xl);
}

.boot-panel .spinner {
    width: 24px;
    height: 24px;
    color: var(--accent);
}

.auth-shell {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 440px);
    align-items: center;
    gap: var(--space-8);
    min-height: 100vh;
    max-width: 1100px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-6);
}

.auth-hero {
    display: grid;
    gap: var(--space-4);
    align-content: center;
}

.auth-hero h1 {
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    line-height: 1.08;
    letter-spacing: -0.03em;
}

.auth-panel {
    width: 100%;
    display: grid;
    gap: var(--space-4);
}

.auth-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-1);
    padding: var(--space-1);
    border-radius: var(--radius);
    background: var(--surface-sunken);
}

.auth-tab {
    border: 0;
    border-radius: var(--radius-sm);
    padding: var(--space-2) var(--space-3);
    background: transparent;
    color: var(--muted);
    font-weight: 600;
}

.auth-tab:hover {
    color: var(--ink);
}

.auth-tab.active {
    background: var(--surface);
    color: var(--ink);
    box-shadow: var(--shadow-sm);
}

.auth-title {
    font-size: var(--text-xl);
}

.auth-switch {
    text-align: center;
    font-size: var(--text-sm);
}

/* ---------- Toasts ---------- */

.toast-host {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    z-index: 1000;
    display: grid;
    gap: var(--space-2);
    width: min(420px, calc(100vw - 32px));
    pointer-events: none;
}

.toast-region {
    display: grid;
    gap: var(--space-2);
}

.flash,
.loading-bar {
    pointer-events: auto;
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--line);
    border-left-width: 4px;
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--ink);
    box-shadow: var(--shadow-lg);
    animation: sd-toast-in 180ms ease-out;
}

.flash p {
    flex: 1;
    overflow-wrap: anywhere;
}

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

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

.flash-icon {
    display: inline-grid;
    place-items: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    font-size: var(--text-xs);
    font-weight: 800;
    flex-shrink: 0;
}

.flash-success .flash-icon {
    background: var(--success-soft);
    color: var(--success);
}

.flash-error .flash-icon {
    background: var(--danger-soft);
    color: var(--danger);
}

.flash-close {
    border: 0;
    background: transparent;
    color: var(--muted);
    font-size: 1.25rem;
    line-height: 1;
    padding: 0 var(--space-1);
    border-radius: var(--radius-sm);
}

.flash-close:hover {
    color: var(--ink);
}

.loading-bar {
    align-items: center;
    border-left-color: var(--accent);
    color: var(--ink-soft);
    font-size: var(--text-sm);
}

.loading-bar .spinner {
    color: var(--accent);
}

@keyframes sd-toast-in {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

/* ---------- App shell ---------- */

.shell {
    display: grid;
    grid-template-columns: 248px minmax(0, 1fr);
    min-height: 100vh;
}

.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    padding: var(--space-5) var(--space-4);
    background: var(--sidebar-bg);
    color: var(--sidebar-ink);
    overflow-y: auto;
}

.brand-block {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 0 var(--space-2);
}

.brand-mark {
    display: inline-grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    background: var(--accent);
    color: var(--on-accent);
    font-weight: 800;
    font-size: var(--text-sm);
    flex-shrink: 0;
}

.brand-name {
    display: block;
    font-size: var(--text-base);
}

.brand-role {
    display: block;
    font-size: var(--text-xs);
    color: var(--sidebar-muted);
}

.nav-list {
    display: grid;
    gap: 2px;
    align-content: start;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: var(--space-2);
    width: 100%;
    border: 0;
    border-radius: var(--radius-sm);
    padding: 10px var(--space-3);
    background: transparent;
    color: var(--sidebar-muted);
    font-weight: 500;
    text-align: left;
    white-space: nowrap;
    transition: background 120ms ease, color 120ms ease;
}

.nav-item:hover {
    background: var(--sidebar-hover);
    color: var(--sidebar-ink);
}

.nav-item.active {
    background: var(--sidebar-active);
    color: #ffffff;
    box-shadow: inset 3px 0 0 var(--sidebar-accent);
}

.nav-item:focus-visible {
    outline-color: #ffffff;
}

.nav-badge {
    min-width: 20px;
    padding: 0 6px;
    border-radius: var(--radius-pill);
    background: var(--danger);
    color: var(--on-danger);
    font-size: var(--text-xs);
    font-weight: 700;
    text-align: center;
}

.sidebar-footer {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    padding: var(--space-3) var(--space-2) 0;
    border-top: 1px solid var(--sidebar-line);
}

.sidebar-user {
    flex: 1;
    min-width: 0;
}

.sidebar-user strong,
.sidebar-user p {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar-user p {
    color: var(--sidebar-muted);
    font-size: var(--text-xs);
}

.sidebar .ghost-button {
    color: var(--sidebar-ink);
    border-color: rgba(255, 255, 255, 0.18);
}

/* The sidebar is dark in both themes, so buttons on it keep light text on
   hover (the generic .ghost-button:hover would switch to dark --ink text). */
.sidebar .ghost-button:hover,
.sidebar .ghost-button:focus-visible {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.35);
    color: #ffffff;
}

/* Sign out: a subtle red tint so it reads as the "leave" action. */
.sidebar .ghost-button[data-action='logout']:hover,
.sidebar .ghost-button[data-action='logout']:focus-visible {
    background: rgba(255, 128, 131, 0.16);
    border-color: rgba(255, 128, 131, 0.55);
    color: #ffe3e4;
}

.main-area {
    display: grid;
    align-content: start;
    gap: var(--space-5);
    min-width: 0;
    padding: var(--space-6);
    max-width: 1440px;
    width: 100%;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.topbar-title {
    font-size: var(--text-2xl);
    letter-spacing: -0.02em;
}

.topbar-actions,
.hero-meta,
.detail-actions,
.action-buttons,
.workspace-toolbar-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
}

/* ---------- Avatars ---------- */

.avatar {
    display: inline-grid;
    place-items: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-soft);
    color: var(--accent-ink);
    font-size: var(--text-xs);
    font-weight: 700;
    flex-shrink: 0;
}

.sidebar .avatar {
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
}

/* ---------- Panels ---------- */

.panel {
    min-width: 0;
    padding: var(--space-6);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.nested-panel {
    padding: var(--space-5);
    background: var(--surface);
    box-shadow: none;
}

.section-heading,
.workspace-toolbar,
.detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-bottom: var(--space-4);
}

.section-heading h2,
.workspace-toolbar h2 {
    font-size: var(--text-xl);
}

.section-heading h3 {
    font-size: var(--text-lg);
}

.hero-panel {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-5);
    flex-wrap: wrap;
    background: linear-gradient(135deg, var(--accent-soft), var(--surface) 70%);
}

.hero-panel h1 {
    margin: var(--space-1) 0 var(--space-2);
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    letter-spacing: -0.03em;
}

.hero-chip,
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    max-width: 100%;
    border-radius: var(--radius-pill);
    font-size: var(--text-xs);
    font-weight: 600;
    line-height: 1.4;
    white-space: nowrap;
}

.hero-chip {
    padding: 4px 10px;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--ink-soft);
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ---------- Badges ---------- */

.badge {
    padding: 3px 9px;
    background: var(--neutral-soft);
    color: var(--neutral);
}

.badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
}

.badge-neutral::before {
    display: none;
}

.badge-open {
    background: var(--info-soft);
    color: var(--info);
}

.badge-progress {
    background: var(--accent-soft);
    color: var(--accent-ink);
}

.badge-waiting {
    background: var(--warning-soft);
    color: var(--warning);
}

.badge-internal {
    background: var(--violet-soft);
    color: var(--violet);
}

.badge-resolved {
    background: var(--success-soft);
    color: var(--success);
}

.badge-closed {
    background: var(--neutral-soft);
    color: var(--neutral);
}

.badge-low {
    background: var(--neutral-soft);
    color: var(--neutral);
}

.badge-medium {
    background: var(--info-soft);
    color: var(--info);
}

.badge-high {
    background: var(--warning-soft);
    color: var(--warning);
}

.badge-urgent {
    background: var(--danger-soft);
    color: var(--danger);
}

.badge-sla-overdue {
    background: var(--danger);
    color: var(--on-danger);
}

.badge-sla-soon {
    background: var(--warning-soft);
    color: var(--warning);
}

.badge-sla-ok {
    background: var(--success-soft);
    color: var(--success);
}

/* ---------- Metrics ---------- */

.metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--space-3);
}

.metric-card {
    display: grid;
    gap: var(--space-1);
    padding: var(--space-4) var(--space-5);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.metric-card span {
    color: var(--muted);
    font-size: var(--text-sm);
    font-weight: 500;
}

.metric-card strong {
    font-size: var(--text-2xl);
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
}

.metric-card-accent strong {
    color: var(--accent-ink);
}

.metric-card-success strong {
    color: var(--success);
}

.metric-card-warning strong {
    color: var(--warning);
}

.metric-card-danger strong {
    color: var(--danger);
}

/* ---------- Layout grids ---------- */

.split-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-6);
}

.workspace-grid {
    display: grid;
    grid-template-columns: minmax(280px, 380px) minmax(0, 1fr);
    gap: var(--space-5);
    align-items: start;
}

.ticket-list-column {
    display: grid;
    gap: var(--space-3);
    min-width: 0;
}

.workspace-grid .ticket-list-column {
    position: sticky;
    top: var(--space-4);
    max-height: calc(100vh - 32px);
    grid-template-rows: auto auto minmax(0, 1fr) auto;
}

.workspace-grid .ticket-list {
    overflow-y: auto;
    padding: 2px;
    margin: -2px;
}

.ticket-filters {
    display: grid;
    gap: var(--space-2);
}

.search-field input {
    padding-left: 36px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%238a93a5' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='7' cy='7' r='5'/%3E%3Cpath d='m11 11 3.5 3.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 12px center;
}

.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--line);
    border-radius: var(--radius-pill);
    padding: 4px 10px;
    background: var(--surface);
    color: var(--ink-soft);
    font-size: var(--text-sm);
    font-weight: 500;
}

.chip:hover {
    border-color: var(--line-strong);
    background: var(--surface-muted);
}

.chip.active {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent-ink);
}

.chip-count {
    font-size: var(--text-xs);
    color: var(--muted);
    font-variant-numeric: tabular-nums;
}

.chip.active .chip-count {
    color: inherit;
}

.list-count {
    font-size: var(--text-sm);
}

.ticket-stack,
.ticket-list,
.admin-list,
.message-list,
.comment-list,
.attachment-list {
    display: grid;
    gap: var(--space-2);
    min-width: 0;
}

/* ---------- Ticket cards / rows ---------- */

.ticket-card,
.ticket-row {
    display: grid;
    gap: var(--space-2);
    width: 100%;
    min-width: 0;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--ink);
    text-align: left;
    transition: border-color 120ms ease, box-shadow 120ms ease, background 120ms ease;
}

.ticket-card:hover,
.ticket-row:hover {
    border-color: var(--line-strong);
    box-shadow: var(--shadow);
}

.ticket-row.active {
    border-color: var(--accent);
    background: var(--accent-soft);
    box-shadow: inset 3px 0 0 var(--accent);
}

.ticket-card-top,
.ticket-card-bottom {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-2);
    flex-wrap: wrap;
    min-width: 0;
}

.ticket-card-bottom {
    align-items: center;
}

.ticket-title {
    flex: 1;
    min-width: 0;
    font-weight: 600;
    overflow-wrap: anywhere;
}

.ticket-snippet {
    color: var(--muted);
    font-size: var(--text-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    overflow-wrap: anywhere;
}

.ticket-badges,
.ticket-meta {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    min-width: 0;
}

.ticket-meta {
    color: var(--muted);
    font-size: var(--text-xs);
}

.ticket-meta > * + *::before {
    content: '\00b7';
    margin-right: 6px;
}

.ticket-id {
    font-family: var(--font-mono);
}

.spotlight-card {
    display: grid;
    gap: var(--space-3);
    padding: var(--space-4);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-muted);
}

.spotlight-card .secondary-button {
    justify-self: start;
}

/* ---------- Ticket detail ---------- */

.ticket-detail {
    display: grid;
    gap: var(--space-4);
    min-width: 0;
}

.ticket-detail-focused {
    max-width: 100%;
}

.detail-header {
    align-items: flex-start;
    margin-bottom: 0;
}

.detail-title {
    min-width: 0;
    flex: 1 1 280px;
}

.detail-title h2 {
    margin-top: var(--space-1);
    font-size: var(--text-xl);
    overflow-wrap: anywhere;
}

.detail-description {
    color: var(--ink-soft);
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1px;
    margin: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--line);
    overflow: hidden;
}

.detail-grid div {
    padding: var(--space-3);
    background: var(--surface-muted);
    min-width: 0;
}

.detail-grid dt {
    color: var(--muted);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.detail-grid dd {
    margin: var(--space-1) 0 0;
    font-weight: 500;
    overflow-wrap: anywhere;
}

.action-band {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: var(--space-4);
    padding: var(--space-4);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-muted);
}

.inline-form,
.assign-form {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: var(--space-3);
    min-width: 0;
}

.inline-form > label {
    flex: 1 1 200px;
}

.assign-form {
    flex: 1 1 100%;
}

.assign-checklist-wrap {
    display: grid;
    gap: var(--space-2);
    flex: 1 1 320px;
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
}

.assign-checklist-wrap legend {
    padding: 0;
    margin-bottom: var(--space-2);
    color: var(--ink-soft);
    font-size: var(--text-sm);
    font-weight: 600;
}

.assign-checklist {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-2);
    max-height: 220px;
    overflow: auto;
    padding: 2px;
}

.checkbox-card {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--ink);
    cursor: pointer;
}

.checkbox-card:has(input:checked) {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.checkbox-card small {
    display: block;
    font-size: var(--text-xs);
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--ink-soft);
    font-size: var(--text-sm);
    cursor: pointer;
}

.checkbox-card input[type='checkbox'],
.checkbox-row input[type='checkbox'],
.feature-check input[type='checkbox'] {
    width: 18px;
    height: 18px;
    margin: 0;
    flex-shrink: 0;
    accent-color: var(--accent);
}

/* Scoped selector so the later .ghost-button display rule cannot override it. */
.ticket-detail > .mobile-back {
    display: none;
    justify-self: start;
}

/* ---------- Comments & messages ---------- */

.comment-item,
.message-item {
    display: grid;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    min-width: 0;
}

.comment-item.is-internal {
    border-color: color-mix(in srgb, var(--violet) 35%, var(--line));
    background: var(--violet-soft);
}

.comment-head,
.message-head {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.comment-author {
    display: grid;
    flex: 1;
    min-width: 0;
    line-height: 1.3;
}

.comment-author time,
.message-head time {
    color: var(--muted);
    font-size: var(--text-xs);
}

.message-head time {
    margin-left: auto;
}

.comment-body,
.message-item p {
    color: var(--ink-soft);
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.message-item .avatar {
    width: 26px;
    height: 26px;
}

.message-item.mine {
    border-color: color-mix(in srgb, var(--accent) 30%, var(--line));
    background: var(--accent-soft);
}

.message-list {
    max-height: 560px;
    overflow-y: auto;
    padding-right: 2px;
}

.message-list.compact {
    max-height: 300px;
}

.message-form {
    margin-top: var(--space-3);
    flex-wrap: nowrap;
}

.message-form input {
    flex: 1;
    min-width: 0;
}

.composer {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--line);
}

.composer-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
}

.composer-submit {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-left: auto;
}

.kbd-hint {
    font-size: var(--text-xs);
    white-space: nowrap;
}

/* ---------- Attachments ---------- */

.attachment-list {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.comment-attachments {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}

.admin-list .attachment-item {
    grid-column: auto;
}

.attachment-item {
    display: grid;
    gap: var(--space-2);
    align-content: start;
    padding: var(--space-3);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    min-width: 0;
}

.attachment-copy {
    display: grid;
    gap: 2px;
    min-width: 0;
}

.attachment-copy span,
.attachment-copy p {
    color: var(--muted);
    font-size: var(--text-xs);
    overflow-wrap: anywhere;
}

.attachment-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.attachment-preview-link {
    display: block;
}

.attachment-preview-fallback {
    display: grid;
    place-items: center;
    border: 1px dashed var(--line-strong);
    color: var(--muted);
    font-size: 0.85rem;
}

.attachment-preview {
    display: block;
    width: 100%;
    /* Fixed height so cards don't jump while previews load or fail. */
    height: 180px;
    border-radius: var(--radius-sm);
    background: var(--surface-sunken);
    object-fit: contain;
}

.draft-file-list {
    display: grid;
    gap: var(--space-1);
    margin: 0;
    padding: 0;
    list-style: none;
}

.draft-file {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface-muted);
    font-size: var(--text-sm);
    min-width: 0;
}

.draft-file-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--ink);
}

/* ---------- Forms ---------- */

.stack-form,
.form-grid,
.upload-box {
    display: grid;
    gap: var(--space-4);
    min-width: 0;
}

.form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.full-width {
    grid-column: 1 / -1;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-2);
    flex-wrap: wrap;
}

label {
    display: grid;
    gap: 6px;
    min-width: 0;
    color: var(--ink-soft);
    font-size: var(--text-sm);
    font-weight: 600;
}

label small {
    font-weight: 400;
}

input,
select,
textarea {
    width: 100%;
    min-width: 0;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    padding: 9px 12px;
    background: var(--surface);
    color: var(--ink);
    font-size: var(--text-base);
    font-weight: 400;
    transition: border-color 120ms ease, box-shadow 120ms ease;
}

input::placeholder,
textarea::placeholder {
    color: var(--muted);
    opacity: 0.8;
}

input:hover,
select:hover,
textarea:hover {
    border-color: var(--muted);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

input[readonly] {
    background: var(--surface-sunken);
    color: var(--muted);
    cursor: default;
}

input[aria-invalid='true'],
select[aria-invalid='true'],
textarea[aria-invalid='true'] {
    border-color: var(--danger);
}

input[aria-invalid='true']:focus,
select[aria-invalid='true']:focus,
textarea[aria-invalid='true']:focus {
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--danger) 22%, transparent);
}

.field-error {
    color: var(--danger);
    font-size: var(--text-xs);
    font-weight: 500;
}

select[multiple] {
    min-height: 130px;
}

textarea {
    resize: vertical;
    min-height: 88px;
    line-height: 1.5;
}

.readonly-field {
    display: grid;
    gap: 6px;
    font-size: var(--text-sm);
}

.readonly-field span {
    color: var(--ink-soft);
    font-weight: 600;
}

.readonly-field strong {
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    background: var(--surface-sunken);
    color: var(--muted);
    font-weight: 500;
}

.filter-box {
    grid-auto-flow: column;
    align-items: center;
    gap: var(--space-2);
}

.filter-box select {
    width: auto;
}

.file-picker {
    position: relative;
    display: grid;
    gap: var(--space-2);
}

.file-picker-compact {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
    font-weight: 400;
}

.file-picker-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    padding: var(--space-4);
    border: 1px dashed var(--line-strong);
    border-radius: var(--radius);
    background: var(--surface-muted);
    font-weight: 400;
}

.file-picker:hover .file-picker-row {
    border-color: var(--accent);
}

.file-picker-button {
    pointer-events: none;
}

.file-picker:focus-within .file-picker-button {
    outline: 2px solid var(--focus);
    outline-offset: 2px;
}

.file-picker-status {
    color: var(--muted);
    font-size: var(--text-sm);
}

.file-picker-input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* ---------- Buttons ---------- */

.primary-button,
.secondary-button,
.ghost-button,
.danger-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 38px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    padding: 8px 14px;
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    white-space: nowrap;
    transition: background 120ms ease, border-color 120ms ease, color 120ms ease, box-shadow 120ms ease;
}

.small-button {
    min-height: 30px;
    padding: 4px 10px;
    font-size: var(--text-xs);
}

.button-block {
    width: 100%;
}

.primary-button {
    background: var(--accent);
    color: var(--on-accent);
    box-shadow: var(--shadow-sm);
}

.primary-button:hover {
    background: var(--accent-hover);
}

.secondary-button {
    background: var(--accent-soft);
    color: var(--accent-ink);
    border-color: color-mix(in srgb, var(--accent) 25%, transparent);
}

.secondary-button:hover {
    border-color: var(--accent);
}

.ghost-button {
    background: transparent;
    color: var(--ink-soft);
    border-color: var(--line-strong);
}

.ghost-button:hover {
    background: var(--surface-muted);
    color: var(--ink);
}

.danger-button {
    background: var(--danger);
    color: var(--on-danger);
}

.danger-button:hover {
    background: var(--danger-hover);
}

.danger-text {
    color: var(--danger);
}

.link-button {
    border: 0;
    padding: 0;
    background: none;
    color: var(--accent-ink);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.primary-button:disabled,
.secondary-button:disabled,
.ghost-button:disabled,
.danger-button:disabled,
.chip:disabled {
    cursor: not-allowed;
    opacity: 0.55;
    box-shadow: none;
}

.is-busy:disabled {
    opacity: 0.85;
    cursor: progress;
}

/* ---------- Empty states ---------- */

.empty-state {
    display: grid;
    gap: var(--space-2);
    justify-items: center;
    align-content: center;
    min-height: 220px;
    padding: var(--space-6);
    border: 1px dashed var(--line-strong);
    border-radius: var(--radius-lg);
    background: var(--surface-muted);
    color: var(--muted);
    text-align: center;
}

.empty-state h3 {
    font-size: var(--text-lg);
}

.empty-state p {
    max-width: 44ch;
}

.empty-state .primary-button,
.empty-state .ghost-button {
    margin-top: var(--space-2);
}

.empty-state-compact {
    min-height: 0;
    padding: var(--space-5);
}

.danger-zone {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
    padding: var(--space-4) var(--space-5);
    border: 1px solid color-mix(in srgb, var(--danger) 35%, var(--line));
    border-radius: var(--radius-lg);
    background: var(--danger-soft);
}

.danger-zone .muted {
    font-size: var(--text-sm);
}

/* ---------- Services ---------- */

.service-grid,
.feature-grid {
    display: grid;
    gap: var(--space-3);
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.service-card {
    padding: var(--space-4);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

.service-card p {
    color: var(--muted);
    font-size: var(--text-sm);
}

.service-card-head {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
}

.service-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    background: var(--accent-soft);
    color: var(--accent-ink);
    flex-shrink: 0;
}

.service-icon svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.service-card.active {
    border-color: color-mix(in srgb, var(--success) 40%, var(--line));
    background: var(--success-soft);
}

.service-card.active .service-icon {
    background: var(--surface);
    color: var(--success);
}

.service-card.inactive {
    opacity: 0.7;
}

.feature-check {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    min-height: 48px;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface);
    font-weight: 500;
    cursor: pointer;
}

.feature-check:has(input:checked) {
    border-color: var(--accent);
    background: var(--accent-soft);
}

/* ---------- Admin ---------- */

.admin-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-5);
    align-items: start;
}

.admin-item {
    display: grid;
    gap: var(--space-3);
    padding: var(--space-4);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    min-width: 0;
}

.admin-item p {
    color: var(--muted);
    font-size: var(--text-sm);
    overflow-wrap: anywhere;
}

.compact-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.compact-item > div:first-child {
    min-width: 0;
    flex: 1 1 180px;
}

.admin-user-head,
.client-key-head {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-width: 0;
}

.client-key-head {
    justify-content: space-between;
    align-items: flex-start;
}

.admin-user-head > div,
.client-key-head > div {
    min-width: 0;
}

.admin-user-fields {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-3);
}

.admin-section-block {
    display: grid;
    gap: var(--space-3);
}

.admin-section-block .section-heading {
    margin-bottom: 0;
}

.admin-section-block + .admin-section-block {
    margin-top: var(--space-5);
    padding-top: var(--space-5);
    border-top: 1px solid var(--line);
}

.status-column {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.email-quota-row,
.client-key-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.email-quota-row > label {
    flex: 1 1 160px;
}

.client-key-actions {
    gap: var(--space-2);
}

.create-details {
    margin-bottom: var(--space-4);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-muted);
}

.create-details > summary {
    padding: var(--space-3) var(--space-4);
    font-weight: 600;
    cursor: pointer;
}

.create-details[open] > summary {
    border-bottom: 1px solid var(--line);
}

.create-details > form {
    padding: var(--space-4);
}

.secret-callout {
    display: grid;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    padding: var(--space-4);
    border: 1px solid color-mix(in srgb, var(--warning) 45%, var(--line));
    border-radius: var(--radius);
    background: var(--warning-soft);
}

.secret-callout code {
    display: block;
    margin-top: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--surface);
    user-select: all;
}

.service-strip {
    padding: var(--space-5);
}

.panel-intro {
    margin: calc(var(--space-2) * -1) 0 var(--space-4);
    font-size: var(--text-sm);
}

.join-request-item .join-request-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-1) var(--space-2);
}

.join-request-meta strong {
    color: var(--ink);
}

/* ---------- Theme toggle ---------- */

.theme-toggle {
    display: inline-grid;
    place-items: center;
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--ink-soft);
    transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}

.theme-toggle:hover {
    background: var(--surface-muted);
    color: var(--ink);
    border-color: var(--muted);
}

.theme-toggle svg {
    display: block;
}

/* Sits on the always-dark sidebar / top header. */
.theme-toggle-sidebar {
    width: 32px;
    height: 32px;
    border-color: rgba(255, 255, 255, 0.18);
    background: transparent;
    color: var(--sidebar-ink);
}

.theme-toggle-sidebar:hover {
    background: var(--sidebar-hover);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.3);
}

.theme-toggle-sidebar:focus-visible {
    outline-color: #ffffff;
}

.auth-shell {
    position: relative;
}

.auth-toolbar {
    position: absolute;
    top: calc(var(--space-4) + env(safe-area-inset-top, 0px));
    right: calc(var(--space-4) + env(safe-area-inset-right, 0px));
    z-index: 5;
}

/* ---------- Invite banner (sign-up) ---------- */

.invite-banner {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-muted);
    color: var(--ink);
    font-size: var(--text-sm);
}

.invite-banner p {
    font-weight: 500;
}

.invite-banner small {
    display: block;
    margin-top: 2px;
    font-size: var(--text-xs);
}

.invite-banner .spinner {
    margin-top: 3px;
    color: var(--accent);
}

.invite-banner-success {
    border-color: color-mix(in srgb, var(--success) 40%, var(--line));
    background: var(--success-soft);
}

.invite-banner-success strong {
    color: var(--success);
}

.invite-banner-error {
    border-color: color-mix(in srgb, var(--danger) 40%, var(--line));
    background: var(--danger-soft);
}

.invite-banner-error p {
    color: var(--danger);
}

.invite-banner-icon {
    display: inline-grid;
    place-items: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--surface);
    color: var(--success);
    flex-shrink: 0;
}

.invite-banner-icon .nav-icon {
    width: 18px;
    height: 18px;
    opacity: 1;
}

/* ---------- Membership pending / declined ---------- */

.membership-shell {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-height: 100dvh;
}

.membership-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: calc(var(--space-4) + env(safe-area-inset-top, 0px)) calc(var(--space-6) + env(safe-area-inset-right, 0px)) var(--space-4)
        calc(var(--space-6) + env(safe-area-inset-left, 0px));
}

.membership-topbar .brand-block {
    padding: 0;
}

.membership-main {
    flex: 1;
    display: grid;
    place-items: center;
    padding: var(--space-4) var(--space-4) calc(var(--space-8) + env(safe-area-inset-bottom, 0px));
}

.membership-card {
    display: grid;
    gap: var(--space-4);
    justify-items: center;
    width: 100%;
    max-width: 480px;
    padding: var(--space-8) var(--space-6);
    text-align: center;
    box-shadow: var(--shadow);
}

.membership-card h1 {
    font-size: var(--text-2xl);
    letter-spacing: -0.02em;
}

.membership-icon {
    display: inline-grid;
    place-items: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--warning-soft);
    color: var(--warning);
}

.membership-card.is-rejected .membership-icon {
    background: var(--danger-soft);
    color: var(--danger);
}

.membership-message {
    max-width: 40ch;
    color: var(--ink-soft);
    font-size: var(--text-lg);
    line-height: 1.45;
}

.membership-message strong {
    color: var(--ink);
}

.membership-card > .muted {
    max-width: 44ch;
    font-size: var(--text-sm);
}

.membership-account {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    max-width: 100%;
    padding: var(--space-2) var(--space-4) var(--space-2) var(--space-2);
    border: 1px solid var(--line);
    border-radius: var(--radius-pill);
    background: var(--surface-muted);
    text-align: left;
}

.membership-account > div {
    min-width: 0;
}

.membership-account strong,
.membership-account p {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: var(--text-sm);
}

.membership-account p {
    font-size: var(--text-xs);
}

/* One column that can shrink below its content, so long inputs/text wrap
   instead of pushing the card past a narrow screen. */
.membership-card {
    grid-template-columns: minmax(0, 1fr);
}

.membership-invite-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: var(--space-2);
    width: 100%;
    text-align: left;
}

.membership-invite-form label {
    display: grid;
    gap: 6px;
}

.membership-invite-form label span {
    font-size: var(--text-sm);
    font-weight: 600;
}

@media (max-width: 420px) {
    .membership-invite-form {
        grid-template-columns: minmax(0, 1fr);
    }
}

.membership-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
    width: 100%;
}

.membership-actions > * {
    flex: 1 1 160px;
}

/* ---------- Responsive ---------- */

@media (max-width: 1100px) {
    .admin-grid,
    .split-panel {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 900px) {
    .shell {
        grid-template-columns: minmax(0, 1fr);
    }

    .sidebar {
        position: sticky;
        top: 0;
        z-index: 20;
        height: auto;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        gap: var(--space-2) var(--space-3);
        padding: var(--space-2) var(--space-4);
        overflow: visible;
    }

    .brand-block {
        padding: 0;
    }

    .brand-role {
        display: none;
    }

    .sidebar-footer {
        margin-left: auto;
        padding: 0;
        border: 0;
        flex-wrap: nowrap;
    }

    .sidebar-user {
        display: none;
    }

    .nav-list {
        order: 3;
        flex: 1 1 100%;
        display: flex;
        gap: var(--space-1);
        overflow-x: auto;
        margin: 0 calc(var(--space-4) * -1);
        padding: 0 var(--space-4) var(--space-1);
        scrollbar-width: none;
    }

    .nav-list::-webkit-scrollbar {
        display: none;
    }

    .nav-item {
        width: auto;
        flex: 0 0 auto;
        padding: 8px var(--space-3);
    }

    .nav-item.active {
        box-shadow: inset 0 -2px 0 var(--sidebar-accent);
    }

    .main-area {
        padding: var(--space-4);
        gap: var(--space-4);
    }

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

    .workspace-grid .ticket-list-column {
        position: static;
        max-height: none;
    }

    .workspace-grid .ticket-list {
        overflow: visible;
    }

    /* List first; the detail pane replaces it once a ticket is opened. */
    .workspace-grid-browse > .ticket-detail {
        display: none;
    }

    .workspace-grid-browse.is-detail-open > .ticket-list-column {
        display: none;
    }

    .workspace-grid-browse.is-detail-open > .ticket-detail {
        display: grid;
    }

    .ticket-detail > .mobile-back {
        display: inline-flex;
    }

    .auth-shell {
        grid-template-columns: minmax(0, 1fr);
        align-content: start;
        gap: var(--space-5);
        padding: var(--space-6) var(--space-4);
    }
}

@media (max-width: 640px) {
    .panel {
        padding: var(--space-4);
        border-radius: var(--radius);
    }

    .nested-panel {
        padding: var(--space-4);
    }

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

    .metric-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .metric-card {
        padding: var(--space-3) var(--space-4);
    }

    .metric-card strong {
        font-size: var(--text-xl);
    }

    .topbar-title {
        font-size: var(--text-xl);
    }

    .topbar .hero-chip {
        display: none;
    }

    .workspace-toolbar-actions,
    .filter-box {
        width: 100%;
    }

    .filter-box select {
        flex: 1;
        width: 100%;
    }

    .workspace-toolbar-actions .primary-button {
        flex: 1;
    }

    .composer-submit {
        width: 100%;
        justify-content: space-between;
        margin-left: 0;
    }

    .kbd-hint {
        display: none;
    }

    .composer-submit .primary-button {
        flex: 1;
    }

    .form-actions > * {
        flex: 1;
    }

    .detail-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .attachment-list,
    .comment-attachments {
        grid-template-columns: minmax(0, 1fr);
    }

    .auth-hero .lede {
        font-size: var(--text-base);
    }

    .auth-hero .hero-meta {
        display: none;
    }

    .toast-host {
        top: auto;
        bottom: var(--space-4);
        right: var(--space-4);
        left: var(--space-4);
        width: auto;
    }
}

/* ---------- Admin page (tabbed, compact rows) ---------- */

.admin-page {
    display: grid;
    gap: var(--space-4);
    min-width: 0;
}

.admin-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-3);
}

.admin-stat {
    display: grid;
    gap: 2px;
    justify-items: start;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--ink);
    text-align: left;
    transition: border-color 120ms ease, background 120ms ease;
}

.admin-stat:hover {
    border-color: var(--line-strong);
    background: var(--surface-muted);
}

.admin-stat strong {
    font-size: var(--text-xl);
    line-height: 1.1;
}

.admin-stat span {
    color: var(--muted);
    font-size: var(--text-sm);
}

.admin-stat.is-warn strong {
    color: var(--warning);
}

.admin-stat.is-danger strong {
    color: var(--danger);
}

.admin-tabs {
    display: flex;
    gap: var(--space-1);
    overflow-x: auto;
    padding: 4px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-sunken);
    scrollbar-width: none;
}

.admin-tabs::-webkit-scrollbar {
    display: none;
}

.admin-tab {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex: 0 0 auto;
    min-height: 36px;
    padding: 6px 12px;
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--ink-soft);
    font-size: var(--text-sm);
    font-weight: 600;
    white-space: nowrap;
}

.admin-tab:hover {
    background: var(--surface-muted);
    color: var(--ink);
}

.admin-tab.active {
    background: var(--surface);
    color: var(--ink);
    box-shadow: 0 1px 2px rgba(15, 18, 24, 0.12);
}

.admin-tab-count {
    min-width: 20px;
    padding: 0 6px;
    border-radius: var(--radius-pill);
    background: var(--neutral-soft);
    color: var(--ink-soft);
    font-size: var(--text-xs);
    line-height: 18px;
    text-align: center;
}

.admin-tab-count.is-alert {
    background: var(--danger);
    color: var(--on-danger);
}

.admin-panel {
    display: grid;
    gap: var(--space-4);
    align-content: start;
    min-width: 0;
}

.admin-section-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-3);
}

.admin-section-head h2 {
    margin: 0;
    font-size: var(--text-lg);
}

.admin-section-head p {
    margin: 2px 0 0;
    font-size: var(--text-sm);
}

.admin-section-actions {
    display: flex;
    gap: var(--space-2);
    flex: 0 0 auto;
}

.admin-subhead {
    margin: var(--space-2) 0 0;
    color: var(--muted);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.admin-rows {
    display: grid;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    overflow: hidden;
}

.admin-rows:empty {
    display: none;
}

.admin-rows > * + * {
    border-top: 1px solid var(--line);
}

.admin-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-width: 0;
    padding: 10px var(--space-3);
}

.admin-row-group.is-editing {
    background: var(--surface-muted);
}

.admin-row-main {
    display: grid;
    flex: 1 1 auto;
    min-width: 0;
}

.admin-row-main strong {
    overflow: hidden;
    font-size: var(--text-sm);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.admin-row-sub {
    overflow: hidden;
    color: var(--muted);
    font-size: var(--text-xs);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.admin-row-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
    flex: 0 1 auto;
    color: var(--muted);
    font-size: var(--text-xs);
}

.admin-row-org {
    padding: 2px 8px;
    border-radius: var(--radius-pill);
    background: var(--surface-sunken);
    color: var(--ink-soft);
    font-size: var(--text-xs);
    white-space: nowrap;
}

.admin-row-actions {
    display: flex;
    gap: 6px;
    flex: 0 0 auto;
}

.avatar.avatar-sm {
    width: 32px;
    height: 32px;
    flex: 0 0 32px;
    font-size: var(--text-xs);
}

.role-badge.role-admin {
    background: var(--violet-soft);
    color: var(--violet);
}

.role-badge.role-agent {
    background: var(--info-soft);
    color: var(--info);
}

.role-badge.role-user {
    background: var(--neutral-soft);
    color: var(--ink-soft);
}

.admin-row-editor {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    align-items: end;
    gap: var(--space-3);
    padding: 0 var(--space-3) var(--space-3) calc(var(--space-3) + 32px + var(--space-3));
}

.admin-row-editor-wide {
    grid-template-columns: minmax(0, 1fr);
    padding-left: var(--space-3);
}

.admin-row-editor label {
    display: grid;
    gap: 4px;
    min-width: 0;
}

.admin-row-editor label > span {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--ink-soft);
}

.admin-row-editor > p {
    grid-column: 1 / -1;
    margin: 0;
    font-size: var(--text-sm);
}

.admin-row-editor-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    grid-column: 1 / -1;
}

.admin-row-editor-actions .danger-text {
    margin-left: auto;
}

.admin-create-card {
    padding: var(--space-3);
    border: 1px dashed var(--line-strong);
    border-radius: var(--radius);
    background: var(--surface-muted);
}

.admin-inline-form {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: var(--space-2) var(--space-3);
    padding: var(--space-3);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-muted);
}

.admin-inline-form label {
    display: grid;
    gap: 4px;
    flex: 1 1 160px;
    min-width: 0;
}

.admin-inline-form label > span {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--ink-soft);
}

.admin-inline-form > button {
    flex: 0 0 auto;
}

.admin-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2) var(--space-3);
}

.admin-search {
    flex: 1 1 220px;
    min-width: 0;
}

.chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.admin-empty {
    padding: var(--space-5) var(--space-4);
    border: 1px dashed var(--line);
    border-radius: var(--radius);
    color: var(--muted);
    font-size: var(--text-sm);
    text-align: center;
}

.category-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.category-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 6px 4px 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius-pill);
    background: var(--surface);
    font-size: var(--text-sm);
    font-weight: 500;
}

.category-chip-remove {
    display: inline-grid;
    place-items: center;
    width: 24px;
    height: 24px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--muted);
    font-size: 1.1rem;
    line-height: 1;
}

.category-chip-remove:hover {
    background: var(--danger-soft);
    color: var(--danger);
}

.sla-dot {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 2px 8px;
    border-radius: var(--radius-pill);
    font-size: var(--text-xs);
    font-weight: 600;
    white-space: nowrap;
}

.sla-dot::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: currentColor;
}

.sla-dot.is-ok {
    background: var(--success-soft);
    color: var(--success);
}

.sla-dot.is-overdue {
    background: var(--danger-soft);
    color: var(--danger);
}

.file-icon {
    display: inline-grid;
    place-items: center;
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
    border-radius: var(--radius-sm);
    background: var(--accent-soft);
    color: var(--accent-ink);
    font-size: 0.62rem;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.clamp-1 {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Phones: rows wrap into two lines; editors drop the avatar indent. */
@media (max-width: 640px) {
    .admin-summary {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--space-2);
    }

    .admin-stat {
        padding: var(--space-2) var(--space-3);
    }

    .admin-section-head {
        flex-wrap: wrap;
    }

    .admin-row {
        flex-wrap: wrap;
        row-gap: 6px;
    }

    .admin-row-main {
        flex-basis: calc(100% - 44px);
    }

    .admin-row-meta {
        justify-content: flex-start;
        flex: 1 1 auto;
        padding-left: calc(32px + var(--space-3));
    }

    .admin-row > .admin-row-main:first-child ~ .admin-row-meta {
        padding-left: 0;
    }

    .admin-row-editor {
        padding-left: var(--space-3);
    }

    .admin-inline-form > button {
        flex: 1 1 100%;
    }
}

/* ---------- Pagination ---------- */

.pager {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2) var(--space-3);
    padding-top: var(--space-3);
}

.pager-summary {
    margin: 0;
    font-size: var(--text-sm);
}

p.pager-summary:only-child,
.ticket-list-column > p.pager-summary,
.admin-panel > p.pager-summary {
    padding-top: var(--space-2);
}

.pager-controls {
    display: flex;
    align-items: center;
    gap: 4px;
}

.pager-numbers {
    display: flex;
    align-items: center;
    gap: 4px;
}

.pager-button {
    min-width: 34px;
    min-height: 34px;
    padding: 4px 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--ink-soft);
    font-size: var(--text-sm);
    font-weight: 600;
}

.pager-button:hover:not(:disabled) {
    border-color: var(--line-strong);
    background: var(--surface-muted);
    color: var(--ink);
}

.pager-button.active {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent-ink);
}

.pager-button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.pager-gap {
    padding: 0 2px;
    color: var(--muted);
}

.pager-compact {
    display: none;
    padding: 0 var(--space-2);
    color: var(--ink-soft);
    font-size: var(--text-sm);
    font-weight: 600;
    white-space: nowrap;
}

/* Rows stay visible (dimmed) while the next page loads. */
[data-pager-list][aria-busy="true"] {
    opacity: 0.55;
    transition: opacity 120ms ease;
}

.load-older {
    justify-self: center;
    margin: 0 auto var(--space-2);
}

@media (max-width: 640px) {
    .pager {
        justify-content: center;
    }

    .pager-summary {
        width: 100%;
        text-align: center;
    }

    .pager-numbers {
        display: none;
    }

    .pager-compact {
        display: inline;
    }
}

@media (pointer: coarse) {
    .pager-button {
        min-width: 44px;
        min-height: 44px;
    }
}

/* ---------- Responsive refinements (all devices) ---------- */

.nav-icon {
    flex: 0 0 auto;
    opacity: 0.85;
}

.nav-item.active .nav-icon {
    opacity: 1;
}

.nav-item .nav-badge {
    margin-left: auto;
}

.nav-label-short {
    display: none;
}

/* Very wide screens: keep content centred instead of hugging the sidebar. */
@media (min-width: 1700px) {
    .main-area {
        margin-inline: auto;
    }
}

/* Tablets (portrait) and small laptops: the icons make the scrolling top
   nav easier to scan. */
@media (max-width: 900px) {
    .nav-item {
        gap: 6px;
    }
}

/* Tablets in portrait: enough room to keep the ticket list beside the
   open ticket, like desktop, instead of swapping screens like a phone. */
@media (min-width: 700px) and (max-width: 900px) {
    .workspace-grid {
        grid-template-columns: minmax(230px, 290px) minmax(0, 1fr);
        gap: var(--space-4);
    }

    .workspace-grid-browse > .ticket-detail,
    .workspace-grid-browse.is-detail-open > .ticket-detail,
    .workspace-grid-browse.is-detail-open > .ticket-list-column {
        display: grid;
    }

    .ticket-detail > .mobile-back {
        display: none;
    }

    .detail-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* Phones: bottom tab bar, the pattern thumbs expect. */
@media (max-width: 640px) {
    .nav-list {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 30;
        order: initial;
        display: grid;
        grid-auto-flow: column;
        grid-auto-columns: minmax(0, 1fr);
        gap: 0;
        margin: 0;
        padding: 4px 4px calc(4px + env(safe-area-inset-bottom, 0px));
        overflow: visible;
        background: var(--sidebar-bg);
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        box-shadow: 0 -6px 18px rgba(0, 0, 0, 0.18);
    }

    .nav-item {
        position: relative;
        flex-direction: column;
        justify-content: center;
        gap: 2px;
        min-height: 54px;
        padding: 6px 2px;
        border-radius: var(--radius-sm);
        font-size: 0.72rem;
        font-weight: 600;
        text-align: center;
    }

    .nav-item.active {
        box-shadow: none;
        color: #ffffff;
    }

    .nav-item.active .nav-icon {
        color: var(--sidebar-accent);
    }

    .nav-label {
        display: none;
    }

    .nav-label-short {
        display: block;
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .nav-item .nav-badge {
        position: absolute;
        top: 4px;
        left: calc(50% + 6px);
        margin: 0;
        min-width: 18px;
        line-height: 18px;
        padding: 0 5px;
    }

    /* Room for the tab bar so it never covers the last element. */
    .main-area {
        padding-bottom: calc(80px + env(safe-area-inset-bottom, 0px));
    }

    .toast-host {
        bottom: calc(72px + env(safe-area-inset-bottom, 0px));
    }

    /* Signed-out screens: get the form above the fold. */
    .auth-shell {
        gap: var(--space-4);
        padding-top: calc(var(--space-5) + env(safe-area-inset-top, 0px));
    }

    .auth-hero h1 {
        font-size: 1.6rem;
        line-height: 1.15;
    }

    .auth-hero .lede {
        display: none;
    }

    /* Keep the hero text clear of the theme toggle in the corner. */
    .auth-hero {
        padding-right: 48px;
    }

    .auth-toolbar {
        top: calc(var(--space-3) + env(safe-area-inset-top, 0px));
    }

    .membership-topbar {
        padding: calc(var(--space-3) + env(safe-area-inset-top, 0px)) var(--space-4) var(--space-3);
    }

    .membership-main {
        place-items: start center;
        padding-top: var(--space-2);
    }

    .membership-card {
        padding: var(--space-6) var(--space-4);
    }

    .membership-card h1 {
        font-size: var(--text-xl);
    }

    .membership-message {
        font-size: var(--text-base);
    }

    .membership-actions > * {
        flex-basis: 100%;
    }

    .sidebar {
        padding-top: calc(var(--space-2) + env(safe-area-inset-top, 0px));
    }
}

/* Touch devices: comfortable tap targets, and 16px inputs so iOS Safari does
   not zoom the page when a field is focused. */
@media (pointer: coarse) {
    input,
    select,
    textarea {
        font-size: 16px;
        min-height: 44px;
    }

    textarea {
        min-height: 96px;
    }

    .primary-button,
    .secondary-button,
    .ghost-button,
    .danger-button,
    .link-button {
        min-height: 44px;
    }

    .small-button {
        min-height: 38px;
        padding: 6px 12px;
    }

    .theme-toggle {
        width: 44px;
        height: 44px;
    }

    .theme-toggle-sidebar {
        width: 40px;
        height: 40px;
    }

    input[type='checkbox'],
    input[type='radio'] {
        min-height: 0;
        width: 20px;
        height: 20px;
    }
}

/* Phones in landscape (short screens): one compact sticky row with logo,
   tabs and sign out, so navigation stays reachable without eating the screen. */
@media (max-height: 500px) and (orientation: landscape) and (max-width: 1100px) {
    .sidebar {
        position: sticky;
        top: 0;
        flex-wrap: nowrap;
        gap: var(--space-2);
        padding: 4px calc(var(--space-3) + env(safe-area-inset-right, 0px)) 4px calc(var(--space-3) + env(safe-area-inset-left, 0px));
    }

    .brand-block > div {
        display: none;
    }

    .nav-list {
        position: static;
        order: 0;
        flex: 1 1 auto;
        display: flex;
        margin: 0;
        padding: 0;
        overflow-x: auto;
        background: transparent;
        border: 0;
        box-shadow: none;
    }

    .nav-item {
        flex-direction: row;
        min-height: 40px;
        padding: 6px 10px;
        font-size: var(--text-sm);
    }

    .nav-label {
        display: none;
    }

    .nav-label-short {
        display: block;
    }

    .nav-item .nav-badge {
        position: static;
    }

    .sidebar-footer {
        margin-left: 0;
        flex: 0 0 auto;
    }

    .sidebar-footer .avatar {
        display: none;
    }

    .main-area {
        padding: var(--space-3) calc(var(--space-4) + env(safe-area-inset-right, 0px)) var(--space-5) calc(var(--space-4) + env(safe-area-inset-left, 0px));
    }

    .toast-host {
        top: var(--space-2);
        bottom: auto;
    }
}

/* Printing a ticket: drop app chrome. */
@media print {
    .sidebar,
    .nav-list,
    .toast-host,
    .mobile-back,
    .theme-toggle,
    .danger-zone,
    form {
        display: none !important;
    }

    .shell {
        display: block;
    }

    .workspace-grid-browse > .ticket-list-column {
        display: none !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}