/* ==========================================================================
   MediaMTX Panel design system (on top of Bootstrap 5.3)
   Page structure:   .page-header > h1 + .page-subtitle + .page-actions
   Blocks:           .card (rounded, soft shadow), .action-card (icon + title + explanation + button)
   Icons:            Bootstrap Icons, <i class="bi bi-..."></i>, also inside buttons
   ========================================================================== */

:root {
    --app-bg: #f4f6fb;
    --app-surface: #ffffff;
    --app-border: #e4e7ef;
    --app-text: #1f2937;
    --app-muted: #6b7280;
    --app-sidebar: #0f172a;
    --app-sidebar-2: #131c33;
    --app-sidebar-text: #aab4c8;
    --app-sidebar-active: rgba(99, 102, 241, 0.18);
    --app-accent: #4f46e5;
    --app-accent-2: #6366f1;
    --app-radius: 0.85rem;
    --app-shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 1px 3px rgba(16, 24, 40, 0.06);
    --app-shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
    --app-sidebar-width: 264px;

    --bs-primary: #4f46e5;
    --bs-primary-rgb: 79, 70, 229;
    --bs-primary-bg-subtle: #eef2ff;
    --bs-primary-text-emphasis: #3730a3;
    --bs-primary-border-subtle: #c7d2fe;
    --bs-link-color: #4f46e5;
    --bs-link-color-rgb: 79, 70, 229;
    --bs-link-hover-color: #3730a3;
    --bs-link-hover-color-rgb: 55, 48, 163;
    --bs-body-color: #1f2937;
    --bs-body-bg: #f4f6fb;
    --bs-border-color: #e4e7ef;
    --bs-border-radius: 0.6rem;
    --bs-border-radius-sm: 0.45rem;
    --bs-border-radius-lg: 0.85rem;
    --bs-font-sans-serif: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

html, body {
    font-family: var(--bs-font-sans-serif);
    background: var(--app-bg);
    color: var(--app-text);
    -webkit-font-smoothing: antialiased;
}

h1, .h1 { font-size: 1.6rem; font-weight: 700; letter-spacing: -0.01em; }
h2, .h2 { font-size: 1.3rem; font-weight: 650; }
h3, .h3 { font-weight: 650; }
h4, .h4, h5, .h5 { font-weight: 600; }
h1:focus { outline: none; }

a { text-decoration: none; }
a:hover { text-decoration: underline; }
.btn:hover, .nav-link:hover, .card a.stretched-link:hover, .badge:hover { text-decoration: none; }

/* ---------------------------------------------------------------- buttons */

.btn {
    --bs-btn-font-weight: 500;
    --bs-btn-border-radius: 0.6rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    transition: background-color .15s, border-color .15s, box-shadow .15s, transform .05s;
}

.btn:active { transform: translateY(1px); }
.btn-sm { --bs-btn-border-radius: 0.5rem; gap: 0.35rem; }
.btn-lg { --bs-btn-border-radius: 0.75rem; }
.btn .bi { font-size: 1em; line-height: 1; }

.btn-primary {
    --bs-btn-bg: #4f46e5;
    --bs-btn-border-color: #4f46e5;
    --bs-btn-hover-bg: #4338ca;
    --bs-btn-hover-border-color: #4338ca;
    --bs-btn-active-bg: #3730a3;
    --bs-btn-active-border-color: #3730a3;
    --bs-btn-disabled-bg: #a5b4fc;
    --bs-btn-disabled-border-color: #a5b4fc;
    box-shadow: 0 1px 2px rgba(79, 70, 229, .25);
}

.btn-outline-primary {
    --bs-btn-color: #4f46e5;
    --bs-btn-border-color: #c7d2fe;
    --bs-btn-hover-bg: #eef2ff;
    --bs-btn-hover-color: #3730a3;
    --bs-btn-hover-border-color: #a5b4fc;
    --bs-btn-active-bg: #e0e7ff;
    --bs-btn-active-color: #3730a3;
    --bs-btn-active-border-color: #a5b4fc;
    background: #fff;
}

.btn-outline-secondary {
    --bs-btn-color: #374151;
    --bs-btn-border-color: #d9dde7;
    --bs-btn-hover-bg: #f3f4f8;
    --bs-btn-hover-color: #111827;
    --bs-btn-hover-border-color: #c4cad8;
    --bs-btn-active-bg: #e9ebf2;
    --bs-btn-active-color: #111827;
    --bs-btn-active-border-color: #c4cad8;
    background: #fff;
}

.btn-outline-danger, .btn-outline-success, .btn-outline-warning { background: #fff; }
.btn-outline-danger:hover, .btn-outline-success:hover, .btn-outline-warning:hover { background: var(--bs-btn-hover-bg); }

/* Square icon-only button. Always give it a title for screen readers and tooltips. */
.btn-icon {
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
}
.btn-icon.btn-sm { width: 1.95rem; height: 1.95rem; }

.btn:focus-visible, .form-control:focus, .form-select:focus, .form-check-input:focus {
    border-color: #a5b4fc;
    box-shadow: 0 0 0 0.22rem rgba(99, 102, 241, .2);
}

/* ---------------------------------------------------------------- forms */

.form-control, .form-select { border-color: #d9dde7; border-radius: 0.6rem; }
.form-label { font-weight: 500; font-size: 0.9rem; }
.form-text { color: var(--app-muted); }
.input-group > .btn { display: inline-flex; }

.valid.modified:not([type=checkbox]) { outline: 1px solid #26b050; }
.invalid { outline: 1px solid #e50000; }
.validation-message { color: #dc2626; font-size: .875rem; }

.darker-border-checkbox.form-check-input { border-color: #929292; }


/* A settings section: title + explanation on the left, fields on the right (stacks on small screens). */
.form-section {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1rem 2rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--app-border);
}
.form-section:first-child { padding-top: 0; }
.form-section:last-child { border-bottom: 0; padding-bottom: 0; }
.form-section > header h2 { font-size: 1.05rem; margin-bottom: .25rem; }
.form-section > header p { color: var(--app-muted); font-size: .9rem; margin: 0; }
@media (min-width: 992px) {
    .form-section { grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); }
}

/* ---------------------------------------------------------------- cards and blocks */

.card {
    --bs-card-border-color: var(--app-border);
    --bs-card-border-radius: var(--app-radius);
    --bs-card-inner-border-radius: calc(var(--app-radius) - 1px);
    --bs-card-cap-bg: transparent;
    box-shadow: var(--app-shadow);
}
.card-header { font-weight: 600; padding-top: .85rem; padding-bottom: .85rem; }
.card-header .bi { color: var(--app-accent); margin-right: .35rem; }
.card > .table, .card > .table-responsive > .table { margin-bottom: 0; }
.card > .table-responsive > .table > :not(caption) > * > *:first-child,
.card > .table > :not(caption) > * > *:first-child { padding-left: 1.25rem; }
.card > .table-responsive > .table > :not(caption) > * > *:last-child,
.card > .table > :not(caption) > * > *:last-child { padding-right: 1.25rem; }

.table { --bs-table-bg: transparent; }
.table > thead th {
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--app-muted);
    font-weight: 600;
    background: #f8f9fc;
    border-bottom-color: var(--app-border);
}
.table-hover > tbody > tr:hover > * { --bs-table-bg-state: #f6f7fd; }

.page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.page-header h1 { margin-bottom: .2rem; display: flex; align-items: center; gap: .6rem; }
.page-subtitle { color: var(--app-muted); margin: 0; max-width: 46rem; }
.page-actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.back-link { display: inline-flex; align-items: center; gap: .35rem; color: var(--app-muted); font-size: .875rem; margin-bottom: .5rem; }

/* Statistic tile on the dashboard. */
.stat-card .card-body { display: flex; align-items: center; gap: 1rem; }
.stat-card .stat-icon {
    width: 2.75rem; height: 2.75rem; border-radius: .75rem;
    display: grid; place-items: center; font-size: 1.25rem; flex-shrink: 0;
    background: var(--bs-primary-bg-subtle); color: var(--app-accent);
}
.stat-card .stat-icon.success { background: #dcfce7; color: #15803d; }
.stat-card .stat-icon.warning { background: #fef3c7; color: #b45309; }
.stat-card .stat-icon.info { background: #e0f2fe; color: #0369a1; }
.stat-card .label { color: var(--app-muted); font-size: .8rem; font-weight: 500; }
.stat-card .value { font-size: 1.65rem; font-weight: 700; line-height: 1.15; }

/* Block that explains what you can do and offers the button to do it. */
.action-card {
    display: flex;
    flex-direction: column;
    padding: 1.25rem;
    background: var(--app-surface);
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius);
    box-shadow: var(--app-shadow);
    transition: box-shadow .15s, border-color .15s, transform .15s;
}
.row > * > .action-card { height: 100%; }
.action-card:hover { box-shadow: var(--app-shadow-lg); border-color: #d3d7f5; }
.action-card .action-icon {
    width: 2.6rem; height: 2.6rem; border-radius: .75rem;
    display: grid; place-items: center; font-size: 1.2rem;
    background: var(--bs-primary-bg-subtle); color: var(--app-accent);
    margin-bottom: .85rem;
}
.action-card .action-icon.success { background: #dcfce7; color: #15803d; }
.action-card .action-icon.warning { background: #fef3c7; color: #b45309; }
.action-card .action-icon.danger { background: #fee2e2; color: #b91c1c; }
.action-card .action-icon.info { background: #e0f2fe; color: #0369a1; }
.action-card h3 { font-size: 1.05rem; margin-bottom: .35rem; }
.action-card p { color: var(--app-muted); font-size: .9rem; margin-bottom: 1rem; }
.action-card ul { color: var(--app-muted); font-size: .875rem; padding-left: 1.1rem; margin-bottom: 1rem; }
.action-card .action-footer { margin-top: auto; display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }

/* A person (or other item) as a card in a grid. */
.entity-card .card-body { display: flex; flex-direction: column; gap: .75rem; }
.entity-card .entity-head { display: flex; align-items: center; gap: .75rem; min-width: 0; }
.entity-card .entity-title { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.entity-card .entity-sub { color: var(--app-muted); font-size: .85rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.entity-card .entity-meta { display: flex; flex-wrap: wrap; gap: .4rem; font-size: .8rem; }
.entity-card .entity-actions { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: auto; padding-top: .75rem; border-top: 1px solid var(--app-border); }

.avatar {
    width: 2.5rem; height: 2.5rem; border-radius: 50%;
    display: grid; place-items: center; flex-shrink: 0;
    font-weight: 700; font-size: .95rem; color: #fff;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
}
.avatar.role-Admin { background: linear-gradient(135deg, #f43f5e, #f97316); }
.avatar.role-Customer { background: linear-gradient(135deg, #0ea5e9, #14b8a6); }
.avatar-sm { width: 2rem; height: 2rem; font-size: .8rem; }

.empty-state {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--app-muted);
    border: 1px dashed #cfd5e3;
    border-radius: var(--app-radius);
    background: #fafbfe;
}
.empty-state > .bi { font-size: 2rem; color: #a5b4fc; display: block; margin-bottom: .5rem; }

.badge { font-weight: 600; border-radius: 999px; padding: .35em .7em; }
.badge.text-bg-light { color: #4b5563 !important; }
.badge-dot::before { content: ""; display: inline-block; width: .45rem; height: .45rem; border-radius: 50%; background: currentColor; margin-right: .35rem; vertical-align: middle; }

.alert { border-radius: var(--app-radius); border-width: 1px; }
.nav-tabs .nav-link { font-weight: 500; }
.nav-pills .nav-link.active { background: var(--app-accent); }

/* ---------------------------------------------------------------- app shell */

.app-shell { display: flex; min-height: 100vh; }
.app-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
    position: sticky; top: 0; z-index: 10;
    display: flex; align-items: center; justify-content: flex-end; gap: .75rem;
    height: 3.5rem; padding: 0 2rem;
    background: rgba(244, 246, 251, .85);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--app-border);
}
.content { padding: 1.75rem 2rem 3rem; max-width: 1400px; width: 100%; }

.sidebar {
    width: var(--app-sidebar-width);
    flex-shrink: 0;
    background: linear-gradient(180deg, var(--app-sidebar) 0%, var(--app-sidebar-2) 100%);
    color: var(--app-sidebar-text);
    position: sticky; top: 0;
    height: 100vh;
    display: flex; flex-direction: column;
    z-index: 20;
}

.sidebar-brand {
    display: flex; align-items: center; gap: .7rem;
    height: 4rem; padding: 0 1.15rem;
    color: #fff; font-weight: 700; font-size: 1.05rem;
    border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.sidebar-brand:hover { color: #fff; text-decoration: none; }
.brand-logo {
    width: 2.1rem; height: 2.1rem; border-radius: .6rem; flex-shrink: 0;
    display: grid; place-items: center; font-size: 1.1rem; color: #fff;
    background: linear-gradient(135deg, #6366f1, #a855f7);
    box-shadow: 0 4px 12px rgba(99, 102, 241, .45);
}
.brand-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.sidebar-toggle { display: none; }

.sidebar-nav { flex: 1; overflow-y: auto; padding: .75rem .7rem; }
.nav-section {
    font-size: .68rem; text-transform: uppercase; letter-spacing: .09em;
    color: #64748b; font-weight: 700; padding: 1rem .75rem .4rem;
}
.nav-section:first-child { padding-top: .25rem; }

.side-link, .nav-group > summary {
    display: flex; align-items: center; gap: .7rem;
    width: 100%;
    padding: .55rem .75rem;
    margin-bottom: 2px;
    border-radius: .55rem;
    color: var(--app-sidebar-text);
    font-size: .9rem; font-weight: 500;
    background: none; border: 0;
    cursor: pointer;
    text-align: left;
}
.side-link > .bi, .nav-group > summary > .bi:first-child { font-size: 1.05rem; width: 1.25rem; text-align: center; opacity: .9; }
.side-link:hover, .nav-group > summary:hover { background: rgba(255, 255, 255, .06); color: #fff; text-decoration: none; }
.side-link.active { background: var(--app-sidebar-active); color: #fff; box-shadow: inset 3px 0 0 #818cf8; }

.nav-group > summary { list-style: none; }
.nav-group > summary::-webkit-details-marker { display: none; }
.nav-group > summary .chevron { margin-left: auto; font-size: .75rem; transition: transform .2s; opacity: .6; }
.nav-group[open] > summary .chevron { transform: rotate(90deg); }
.nav-group.has-active > summary { color: #fff; }
.nav-sub { padding: 2px 0 6px 1.6rem; position: relative; }
.nav-sub::before { content: ""; position: absolute; left: 1.35rem; top: 2px; bottom: 8px; width: 1px; background: rgba(255, 255, 255, .1); }
.nav-sub .side-link { font-size: .86rem; padding: .45rem .75rem; }
.nav-sub .side-link > .bi { font-size: .95rem; }

.sidebar-footer { border-top: 1px solid rgba(255, 255, 255, .06); padding: .75rem .7rem; }
.user-chip { display: flex; align-items: center; gap: .65rem; padding: .4rem .45rem; border-radius: .6rem; }
.user-chip .who { min-width: 0; flex: 1; line-height: 1.2; }
.user-chip .who a { color: #fff; font-weight: 600; font-size: .85rem; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-chip .who small { color: #64748b; font-size: .75rem; }
.sidebar-footer .footer-row { display: flex; gap: .4rem; margin-top: .5rem; }
.btn-sidebar {
    --bs-btn-color: var(--app-sidebar-text);
    --bs-btn-bg: rgba(255, 255, 255, .05);
    --bs-btn-border-color: rgba(255, 255, 255, .08);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: rgba(255, 255, 255, .1);
    --bs-btn-hover-border-color: rgba(255, 255, 255, .14);
    --bs-btn-active-bg: rgba(255, 255, 255, .14);
    --bs-btn-active-color: #fff;
    --bs-btn-font-size: .84rem;
    --bs-btn-padding-y: .4rem;
    --bs-btn-padding-x: .65rem;
    position: relative;
}
.update-dot { position: absolute; top: .3rem; right: .3rem; width: .5rem; height: .5rem; border-radius: 50%; background: #f59e0b; box-shadow: 0 0 0 2px var(--app-sidebar-2); }

/* Language menu: a <details> that opens upwards. */
.lang-menu { position: relative; flex: 1; }
.lang-menu > summary { list-style: none; width: 100%; }
.lang-menu > summary::-webkit-details-marker { display: none; }
.lang-menu .menu {
    position: absolute; bottom: calc(100% + .4rem); left: 0; min-width: 12rem;
    background: #fff; border-radius: .7rem; box-shadow: var(--app-shadow-lg); padding: .35rem; z-index: 50;
}
.lang-menu .menu a { display: flex; align-items: center; gap: .6rem; padding: .45rem .7rem; border-radius: .5rem; color: var(--app-text); font-size: .875rem; }
.lang-menu .menu a:hover { background: #f3f4f8; text-decoration: none; }
.lang-menu .menu a.active { font-weight: 600; color: var(--app-accent); }

/* Modal used by the Info panel (and other small dialogs) without Bootstrap's JavaScript. */
.app-modal-backdrop { position: fixed; inset: 0; background: rgba(15, 23, 42, .45); z-index: 1050; display: grid; place-items: center; padding: 1rem; animation: fade-in .15s ease-out; }
.app-modal { background: #fff; border-radius: 1rem; box-shadow: var(--app-shadow-lg); width: 100%; max-width: 32rem; max-height: calc(100vh - 2rem); overflow-y: auto; color: var(--app-text); }
.app-modal header { display: flex; align-items: center; gap: .75rem; padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--app-border); }
.app-modal header h2 { font-size: 1.15rem; margin: 0; }
.app-modal .body { padding: 1.25rem 1.5rem; }
.app-modal footer { display: flex; justify-content: flex-end; gap: .5rem; padding: 1rem 1.5rem; border-top: 1px solid var(--app-border); background: #fafbfe; border-radius: 0 0 1rem 1rem; }
.info-list { display: grid; grid-template-columns: auto 1fr; gap: .45rem 1.25rem; font-size: .9rem; margin: 0; }
.info-list dt { color: var(--app-muted); font-weight: 500; }
.info-list dd { margin: 0; }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

/* Info window: tabs with a scrolling body, so header, tabs and buttons stay in view. */
.app-modal-wide { max-width: 42rem; display: flex; flex-direction: column; overflow: hidden; height: min(46rem, calc(100vh - 2rem)); }
.app-modal-wide .body { flex: 1 1 auto; overflow-y: auto; }
.app-modal-tabs { display: flex; gap: .25rem; padding: 0 1.5rem; border-bottom: 1px solid var(--app-border); }
.app-modal-tabs button {
    display: inline-flex; align-items: center; gap: .4rem; border: 0; background: none; padding: .7rem .2rem; margin-right: 1rem;
    font-size: .9rem; font-weight: 500; color: var(--app-muted); border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.app-modal-tabs button:hover { color: var(--app-text); }
.app-modal-tabs button.active { color: var(--app-accent); border-bottom-color: var(--app-accent); }
.app-modal-tabs .badge { font-size: .65rem; font-weight: 600; }

.whats-new { background: #f8f9ff; border: 1px solid #e0e7ff; border-radius: .7rem; padding: .75rem 1rem; font-size: .875rem; }
.whats-new ul { margin: 0; padding-left: 1.1rem; }
.whats-new li + li { margin-top: .2rem; }

/* Changelog timeline (Info → Changelog). */
.changelog { list-style: none; margin: 0; padding: 0; position: relative; }
.changelog-release { position: relative; padding: 0 0 1.5rem 2.6rem; }
.changelog-release::before { content: ""; position: absolute; left: .95rem; top: 2rem; bottom: .25rem; width: 2px; background: var(--app-border); border-radius: 1px; }
.changelog-release:last-child { padding-bottom: .5rem; }
.changelog-release:last-child::before { display: none; }
.changelog-dot {
    position: absolute; left: 0; top: 0; width: 2rem; height: 2rem; border-radius: 50%; display: grid; place-items: center;
    background: #f1f3f9; color: var(--app-muted); border: 1px solid var(--app-border); font-size: .85rem;
}
.changelog-release.current .changelog-dot { background: #dcfce7; color: #15803d; border-color: #bbf7d0; box-shadow: 0 0 0 4px rgba(34, 197, 94, .12); }
.changelog-release.upcoming .changelog-dot { background: linear-gradient(135deg, var(--app-accent), var(--app-accent-2)); color: #fff; border-color: transparent; box-shadow: 0 0 0 4px rgba(99, 102, 241, .15); }
.changelog-release.upcoming::before { background: linear-gradient(var(--app-accent-2), var(--app-border)); }
.changelog-head { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem; min-height: 2rem; margin-bottom: .5rem; }
.changelog-version { font-weight: 700; font-size: 1.05rem; letter-spacing: -.01em; }
.changelog-date { margin-left: auto; color: var(--app-muted); font-size: .8rem; }
.changelog-section { background: var(--app-surface); border: 1px solid var(--app-border); border-radius: .7rem; padding: .7rem .9rem; margin-bottom: .5rem; }
.changelog-section ul { margin: .45rem 0 0; padding-left: 1.1rem; font-size: .875rem; }
.changelog-section li { margin-top: .3rem; line-height: 1.45; }
.changelog-section li::marker { color: #c4cad8; }
.changelog-section code { font-size: .8em; background: #f1f3f9; color: #4338ca; padding: .05rem .3rem; border-radius: .3rem; }
.changelog-kind { display: inline-flex; align-items: center; gap: .3rem; font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; padding: .2rem .55rem; border-radius: 999px; background: #f1f3f9; color: #4b5563; }
.changelog-kind.kind-added { background: #dcfce7; color: #166534; }
.changelog-kind.kind-changed { background: #e0e7ff; color: #3730a3; }
.changelog-kind.kind-fixed { background: #fef3c7; color: #92400e; }
.changelog-kind.kind-security { background: #fee2e2; color: #991b1b; }
.changelog-kind.kind-removed, .changelog-kind.kind-deprecated { background: #f3f4f6; color: #4b5563; }
.changelog-pr { font-size: .8em; font-weight: 500; color: var(--app-muted); background: #f3f4f8; padding: .05rem .35rem; border-radius: .3rem; text-decoration: none; white-space: nowrap; }
.changelog-pr:hover { color: var(--app-accent); background: #eef2ff; text-decoration: none; }

@media (max-width: 991.98px) {
    .app-shell { flex-direction: column; }
    .sidebar { width: 100%; height: auto; position: sticky; top: 0; }
    .sidebar-toggle {
        display: grid; place-items: center; margin-left: auto;
        width: 2.5rem; height: 2.5rem; border-radius: .6rem; cursor: pointer;
        background: rgba(255, 255, 255, .08); color: #fff; font-size: 1.3rem;
    }
    .sidebar-collapsible { display: none; max-height: calc(100vh - 4rem); overflow-y: auto; }
    #sidebar-toggle:checked ~ .sidebar-collapsible { display: flex; flex-direction: column; }
    .topbar { padding: 0 1rem; position: static; }
    .content { padding: 1.25rem 1rem 2.5rem; }
}
@media (min-width: 992px) {
    .sidebar-collapsible { display: flex; flex-direction: column; flex: 1; min-height: 0; }
}

/* ---------------------------------------------------------------- login and account pages */

.auth-page { min-height: calc(100vh - 8rem); display: grid; place-items: center; }
.auth-card { width: 100%; max-width: 27rem; }
.auth-card .brand-logo { width: 3rem; height: 3rem; font-size: 1.5rem; border-radius: .85rem; margin-bottom: 1rem; }
.btn-microsoft { display: inline-flex; align-items: center; justify-content: center; gap: .6rem; }
.btn-microsoft .ms-logo { width: 1.1rem; height: 1.1rem; }

/* ---------------------------------------------------------------- misc */

#blazor-error-ui {
    color-scheme: light only;
    background: #fffbeb;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}
#blazor-error-ui .dismiss { cursor: pointer; position: absolute; right: 0.75rem; top: 0.5rem; }

.blazor-error-boundary {
    background: #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
    border-radius: var(--app-radius);
}
.blazor-error-boundary::after { content: "An error has occurred."; }

.endpoint-table td {
    vertical-align: middle;
}

.endpoint-table .input-group {
    min-width: 22rem;
}

pre.cmd {
    background: #f6f8fa;
    border: 1px solid #e1e4e8;
    border-radius: .375rem;
    padding: .75rem;
    white-space: pre-wrap;
    word-break: break-all;
}

.player {
    position: relative;
    background: #000;
    border-radius: .5rem;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.player video {
    width: 100%;
    height: 100%;
    display: block;
    background: #000;
}

.player-status {
    position: absolute;
    left: .75rem;
    top: .75rem;
    font-size: .8rem;
    padding: .15rem .5rem;
    border-radius: 1rem;
    background: rgba(0, 0, 0, .6);
    color: #fff;
}

.player-status[data-kind="live"]::before {
    content: "● ";
    color: #3ddc84;
}

.player-status[data-kind="error"]::before {
    content: "● ";
    color: #ff6b6b;
}

.stats-bar {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem 1.5rem;
    padding: .6rem 1rem;
    border: 1px solid #e1e4e8;
    border-radius: .5rem;
    background: #f8f9fa;
    font-size: .875rem;
}

.stats-bar .stat {
    min-width: 7rem;
}

.stats-bar .label {
    color: #6c757d;
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .03em;
}

.stats-bar .meter {
    height: 4px;
    background: #e1e4e8;
    border-radius: 2px;
    margin-top: 2px;
}

.stats-bar .meter > div {
    height: 100%;
    border-radius: 2px;
    background: #1b6ec2;
}

.stats-bar .meter > div.high {
    background: #dc3545;
}

.connect-panel .nav-link {
    padding: .35rem .75rem;
}

.offer-card {
    border: 1px solid #dee2e6;
    border-radius: .5rem;
    padding: 1rem;
}

.watch-page {
    min-height: 100vh;
    background: #f5f6f8;
}

.watch-page .container {
    max-width: 1100px;
}

/* Statistics chart (Components/Shared/TimeChart.razor): SVG lines with HTML axes and hover tips. */
.tchart { --chart-1: #4f46e5; --chart-2: #0ea5e9; font-size: .75rem; color: var(--app-muted); }
.tchart .swatch { display: inline-block; width: .65rem; height: .65rem; border-radius: 50%; margin-right: .35rem; vertical-align: -.05rem; }
.tchart .swatch.s1 { background: var(--chart-1); }
.tchart .swatch.s2 { background: var(--chart-2); }
.tchart-legend { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: .75rem; }
.tchart-body { display: flex; height: 220px; }
.tchart-yaxis { position: relative; width: 4.75rem; flex-shrink: 0; }
.tchart-yaxis span { position: absolute; right: .5rem; transform: translateY(-50%); white-space: nowrap; }
.tchart-plot { position: relative; flex: 1; min-width: 0; border-bottom: 1px solid var(--app-border); }
.tchart-grid { position: absolute; left: 0; right: 0; border-top: 1px dashed var(--app-border); }
.tchart-plot svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.tchart .line { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.tchart .area { stroke: none; opacity: .12; }
.tchart .line.s1 { stroke: var(--chart-1); }
.tchart .line.s2 { stroke: var(--chart-2); }
.tchart .area.s1 { fill: var(--chart-1); }
.tchart .area.s2 { fill: var(--chart-2); }
.tchart-cols { position: absolute; inset: 0; display: flex; }
.tchart-cols .col-hit { flex: 1; position: relative; }
.tchart-cols .col-hit:hover { background: rgba(79, 70, 229, .08); }
.tchart-cols .tip {
    display: none; position: absolute; top: .5rem; left: calc(100% + .25rem); z-index: 5;
    flex-direction: column; gap: .15rem; padding: .5rem .65rem; white-space: nowrap;
    background: var(--app-surface); color: var(--app-text); border: 1px solid var(--app-border);
    border-radius: .5rem; box-shadow: var(--app-shadow-lg); pointer-events: none;
}
.tchart-cols .tip.left { left: auto; right: calc(100% + .25rem); }
.tchart-cols .col-hit:hover .tip { display: flex; }
.tchart-xaxis { position: relative; height: 1.5rem; margin-left: 4.75rem; }
.tchart-xaxis span { position: absolute; top: .35rem; transform: translateX(-50%); white-space: nowrap; }

/* Restream target tile: platform logo in its brand colour. */
.platform-icon {
    width: 2.75rem; height: 2.75rem; border-radius: .75rem; flex-shrink: 0;
    display: grid; place-items: center; font-size: 1.35rem; color: #fff; background: var(--app-accent);
}
.platform-icon.youtube { background: #ff0033; }
.platform-icon.twitch { background: #9146ff; }
.platform-icon.facebook { background: #0866ff; }

/* Viewer report chart (Components/Shared/ReportChart.razor): grouped bars per period. */
.rchart .rbars { position: absolute; inset: 0 12%; display: flex; align-items: flex-end; justify-content: center; gap: 2px; pointer-events: none; }
.rchart .rbar { flex: 1; max-width: 1.25rem; min-height: 0; border-radius: 3px 3px 0 0; }
.rchart .rbar.s1 { background: var(--chart-1); }
.rchart .rbar.s2 { background: var(--chart-2); }

/* Export menu on the viewer report. */
.export-menu { position: relative; }
.export-menu > summary { list-style: none; }
.export-menu > summary::-webkit-details-marker { display: none; }
.export-menu .menu {
    position: absolute; right: 0; top: calc(100% + .35rem); z-index: 20; min-width: 13rem; padding: .35rem;
    background: var(--app-surface); border: 1px solid var(--app-border); border-radius: .75rem; box-shadow: var(--app-shadow-lg);
}
.export-menu .menu a { display: flex; align-items: center; gap: .6rem; padding: .45rem .7rem; border-radius: .5rem; color: var(--app-text); font-size: .875rem; }
.export-menu .menu a:hover { background: #f3f4f8; text-decoration: none; }
.min-w-0 { min-width: 0; }

/* ---------------------------------------------------------------- embed designer */
.swatch {
    width: 1.5rem; height: 1.5rem; border-radius: 50%;
    border: 2px solid #fff; box-shadow: 0 0 0 1px var(--app-border);
    padding: 0; cursor: pointer;
}
.swatch.active { box-shadow: 0 0 0 2px var(--app-accent); }
.image-drop {
    height: 6.5rem; border: 1px dashed var(--app-border); border-radius: var(--bs-border-radius);
    display: grid; place-items: center; overflow: hidden;
    background: repeating-conic-gradient(#f1f3f8 0% 25%, #fff 0% 50%) 50% / 16px 16px;
}
.image-drop img { max-width: 100%; max-height: 100%; width: 100%; height: 100%; object-fit: contain; }
.logo-positions {
    position: relative; width: 8rem; aspect-ratio: 16 / 9;
    border-radius: .5rem; background: #0f172a;
}
.logo-positions button {
    position: absolute; width: 1.6rem; height: 1rem; border-radius: .25rem;
    border: 1px solid rgba(255, 255, 255, .35); background: rgba(255, 255, 255, .12); cursor: pointer; padding: 0;
}
.logo-positions button.active { background: var(--app-accent-2); border-color: var(--app-accent-2); }
.logo-positions .top-left { top: .4rem; left: .4rem; }
.logo-positions .top-right { top: .4rem; right: .4rem; }
.logo-positions .bottom-left { bottom: .4rem; left: .4rem; }
.logo-positions .bottom-right { bottom: .4rem; right: .4rem; }
@media (min-width: 1200px) {
    .designer-sticky { position: sticky; top: 1rem; }
}
.preview-stage {
    display: grid; place-items: center;
    background: repeating-conic-gradient(#eef1f7 0% 25%, #f8f9fc 0% 50%) 50% / 20px 20px;
    border-bottom-left-radius: var(--app-radius); border-bottom-right-radius: var(--app-radius);
    min-height: 14rem;
}
.preview-frame { overflow: hidden; box-shadow: var(--app-shadow-lg); transition: width .25s; max-width: 100%; }
.preview-frame iframe { display: block; width: 100%; height: 100%; border: 0; }
pre.embed-code {
    background: #0f172a; color: #e2e8f0; border-radius: var(--bs-border-radius);
    padding: .9rem 1rem; font-size: .8rem; white-space: pre-wrap; word-break: break-all; margin-bottom: .75rem;
}
pre.embed-code code { color: inherit; }
.ticket-code { font-family: var(--bs-font-monospace); font-weight: 700; letter-spacing: .08em; }

/* ---------------------------------------------------------------- viewer pages */
.viewer-icon {
    width: 3.5rem; height: 3.5rem; margin: 0 auto; border-radius: 1rem;
    display: grid; place-items: center; font-size: 1.6rem; color: #fff;
    background: linear-gradient(135deg, var(--app-accent), var(--app-accent-2));
    box-shadow: 0 10px 24px rgba(79, 70, 229, .3);
}
.otp-input { letter-spacing: .5em; font-weight: 700; font-family: var(--bs-font-monospace); }
.ticket-card { border-top: 3px solid var(--app-accent-2); }

/* Info → Update now: confirmation, steps and the updater's log. */
.update-now, .update-progress { background: #f6fdf9; border: 1px solid #c9f0d8; border-radius: .7rem; padding: .75rem 1rem; font-size: .875rem; }
.update-progress { background: #f8f9ff; border-color: #e0e7ff; }
.update-steps { list-style: none; margin: 0 0 .6rem; padding: 0; display: grid; gap: .3rem; }
.update-steps li { display: flex; align-items: center; gap: .5rem; color: var(--app-muted); }
.update-steps li.done { color: #15803d; }
.update-steps li.active { color: var(--app-accent); font-weight: 600; }
.update-log { background: #0f172a; color: #e2e8f0; border-radius: .5rem; padding: .6rem .75rem; max-height: 14rem; overflow: auto; white-space: pre-wrap; word-break: break-word; }