:root {
    --orange: #f97315;
    --orange-hover: #fc5f01;
    --orange-dark: #c27431;
    --orange-light: rgba(249,115,21,.08);
    --teal: #1d9e75;
    --teal-light: rgba(29,158,117,.08);
    --bg: #effcf4;
    --bg-gradient-start: #effcf4;
    --bg-gradient-end: #f5f3ee;
    --dark: #1b1c1b;
    --card-bg: #ffffff;
    --card-border: rgba(0,0,0,.06);
    --card-shadow: 0 1px 3px rgba(0,0,0,.04), 0 4px 12px rgba(0,0,0,.03);
    --card-shadow-hover: 0 2px 8px rgba(0,0,0,.06), 0 8px 24px rgba(0,0,0,.06);
    --text-primary: #1b1c1b;
    --text-secondary: #6b6b6b;
    --text-muted: #999;
    --border-color: #e8e8e8;
    --input-bg: #ffffff;
    --input-border: #e0e0e0;
    --green-check: #2ecc40;
    --red-error: #e74c3c;
    --gold: #f0a500;
    --nav-link: #555;
    --nav-link-active: var(--orange);
    /* Navigation-bar strip. Tokenized so a white-labelled facility can own it
       (app/services/branding.py overrides it per tenant); the value here is
       Oskoole's own and is unchanged. */
    --navbar-bg: #F8F3EA;
    --footer-text: #999;
    --modal-bg: #ffffff;
    --modal-border: rgba(0,0,0,.08);
    --sidebar-item-bg: #ffffff;
    --sidebar-item-hover: #f5f5f5;
    --sidebar-item-active: var(--orange-light);
    --sidebar-item-active-text: var(--orange);
    --progress-bg: #e8e8e8;
    --step-badge-bg: var(--orange);
    /* Text/icon colour that sits ON --orange. #ffffff is Oskoole's own choice
       (a known 2.80:1 against #f97315 — pre-existing, unchanged here). For a
       white-labelled facility, app/services/branding.py overrides this with
       whichever of #FFFFFF / #1B1C1B has the higher WCAG contrast against that
       tenant's primary, so button labels stay readable on any brand colour.
       See spec/features/028-white-label-brand-colors/spec.md section 8. */
    --brand-on-primary: #ffffff;
    --step-badge-text: var(--brand-on-primary);
    --audio-bg: #f8f8f8;
    /* Link colour for SMALL body text sitting ON a card/toast surface.
       --orange itself is only safe as a foreground for icons and badges (exempt
       or large): #f97315 on --card-bg #ffffff is 2.80:1, the same failing ratio
       documented for --brand-on-primary just above. Darkened until it clears
       WCAG AA for normal text: #b8460a on #ffffff is 5.36:1, and its hover
       #8f3607 is 7.78:1. The dark block below hands both back to the plain
       orange pair, which already passes on --card-bg #262524 (5.46:1). */
    --link-on-card: #b8460a;
    --link-on-card-hover: #8f3607;

    --game-neu-btn: 5px 5px 14px rgba(249,115,21,.3), -3px -3px 10px rgba(255,255,255,.5), inset 0 1px 0 rgba(255,255,255,.2);
}

[data-theme="dark"] {
    --bg: #1b1c1b;
    --bg-gradient-start: #1e1d1c;
    --bg-gradient-end: #1b1c1b;
    --card-bg: #262524;
    --card-border: rgba(255,255,255,.06);
    --card-shadow: 0 1px 3px rgba(0,0,0,.2), 0 4px 12px rgba(0,0,0,.15);
    --card-shadow-hover: 0 2px 8px rgba(0,0,0,.25), 0 8px 24px rgba(0,0,0,.2);
    --text-primary: #f0ede8;
    --text-secondary: #9a9590;
    --text-muted: #6b6560;
    --border-color: rgba(255,255,255,.08);
    --input-bg: #2a2928;
    --input-border: rgba(255,255,255,.1);
    --nav-link: #9a9590;
    --navbar-bg: rgba(27,28,27,.8);
    --footer-text: #5a5550;
    --modal-bg: #262524;
    --modal-border: rgba(255,255,255,.08);
    --sidebar-item-bg: #2a2928;
    --sidebar-item-hover: #302f2e;
    --sidebar-item-active: rgba(249,115,21,.12);
    --sidebar-item-active-text: var(--orange);
    --progress-bg: rgba(255,255,255,.08);
    --audio-bg: #2a2928;
    /* On the dark card the plain orange pair already clears AA, so small link
       text keeps the brand colour here (see the light values in :root). */
    --link-on-card: var(--orange);
    --link-on-card-hover: var(--orange-hover);

    --game-neu-btn: 4px 4px 12px rgba(249,115,21,.25), -3px -3px 8px rgba(60,55,48,.1), inset 0 1px 0 rgba(255,255,255,.06);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    min-height: 100vh;
    color: var(--text-primary);
    transition: background .3s, color .3s;
}

body::before {
    content: '';
    position: fixed; inset: 0;
    background:
        radial-gradient(ellipse 70% 50% at 0% 0%, rgba(78,160,78,.06) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 100% 0%, rgba(249,115,21,.04) 0%, transparent 50%);
    pointer-events: none; z-index: 0;
}

[data-theme="dark"] body::before {
    background:
        radial-gradient(ellipse 70% 50% at 0% 0%, rgba(249,115,21,.06) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 100% 100%, rgba(58,175,169,.04) 0%, transparent 50%);
}

.navbar {
    position: sticky; top: 0; z-index: 100;
    background: var(--navbar-bg);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 0 2rem;
    transition: background .3s, border-color .3s;
}

.navbar-inner {
    max-width: 1280px; margin: 0 auto;
    display: flex; align-items: center; height: 60px; gap: 2rem;
}

.nav-logo {
    display: flex; align-items: center;
    text-decoration: none; flex-shrink: 0; height: 36px;
}
.nav-logo img { height: 150px; width: auto; max-width: 200px; object-fit: contain; pointer-events: none; }

.nav-links { display: flex; align-items: center; gap: 1.75rem; list-style: none; }
.nav-links a {
    font-size: .875rem; font-weight: 500; color: var(--nav-link);
    text-decoration: none; transition: color .2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--nav-link-active); }

/* Theme-aware "Back" pill (see partials/back_link.html) */
.back-pill {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .55rem 1.05rem; border-radius: 9999px;
    background: var(--card-bg); border: 1px solid var(--border-color);
    color: var(--text-primary); font-family: inherit; font-size: .875rem; font-weight: 600;
    cursor: pointer; box-shadow: var(--card-shadow);
    transition: transform .15s, color .15s, border-color .15s;
}
.back-pill:hover { transform: translateX(-2px); color: var(--orange); border-color: var(--orange); }
.back-pill svg { width: 16px; height: 16px; }

.nav-dropdown { position: relative; }
.nav-dropdown-trigger {
    display: flex; align-items: center; gap: .3rem; cursor: pointer;
}
.nav-dropdown-trigger .chevron {
    transition: transform .2s; font-size: .6rem; margin-top: 1px;
}
.nav-dropdown:hover .chevron { transform: rotate(180deg); }
.nav-dropdown-menu {
    position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
    min-width: 520px; padding: 1.5rem 1.75rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,.10), 0 2px 8px rgba(0,0,0,.04);
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
    opacity: 0; visibility: hidden;
    transition: opacity .2s, visibility .2s, transform .2s;
    transform: translateX(-50%) translateY(8px);
    z-index: 200;
}
/* Guides mega-menu. COUPLED to NAVBAR_SECTION_SLUGS in app/categories.py: the
   column count below is hardcoded, but the number of columns actually rendered
   comes from that tuple. Adding a 5th slug REQUIRES updating repeat(4, 1fr) and
   the width — otherwise the 5th column wraps onto a second grid row and pushes
   the full-width .dropdown-more footer (grid-column: 1 / -1) below it. */
.nav-dropdown-menu--wide {
    min-width: 0;
    width: min(620px, calc(100vw - 32px));
    padding: 1.25rem 1.5rem;
    grid-template-columns: repeat(4, 1fr); gap: 1.25rem;
}
.nav-dropdown-menu--simple {
    min-width: 200px; padding: .85rem 1rem;
    display: block;
}
.nav-dropdown-menu--simple .dropdown-group-items { gap: .25rem; }
.nav-dropdown-menu--simple .dropdown-group-items a {
    font-size: .8rem; padding: .35rem .25rem;
}
/* White-label dropdown: group headings (matches the Guides mega-menu titles). */
.nav-wl-group-label {
    font-size: .65rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: .06em; color: var(--orange);
    padding: .5rem .25rem .2rem;
}
.nav-wl-group-label + li a { padding-top: .15rem; }
.nav-wl-group-label:not(:first-child) {
    margin-top: .3rem; border-top: 1px solid var(--border-color);
}
.nav-dropdown-menu--wide .dropdown-group-title {
    font-size: .65rem; margin-bottom: .55rem;
    letter-spacing: .05em;
}
.nav-dropdown-menu--wide .dropdown-group-items { gap: .2rem; }
.nav-dropdown-menu--wide .dropdown-group-items a {
    font-size: .72rem; padding: .2rem 0; line-height: 1.3;
}
.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1; visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.nav-dropdown-menu::before {
    content: ''; position: absolute; top: -10px; left: 0; right: 0; height: 10px;
}
.dropdown-group-title {
    display: flex; align-items: center; gap: .4rem;
    font-size: .7rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: .06em; margin-bottom: .6rem; color: var(--orange);
}
.dropdown-group-title svg { flex-shrink: 0; }
.dropdown-group-items { list-style: none; display: flex; flex-direction: column; gap: .25rem; }
.dropdown-group-items a {
    font-size: .8rem; font-weight: 400; color: var(--text-secondary);
    text-decoration: none; padding: .25rem 0; display: block;
    transition: color .15s;
}
.dropdown-group-items a:hover { color: var(--orange); }

/* Guides mega-menu footer: spans the full grid width so it sits below all
   four category columns, with the link pinned bottom-right. */
.dropdown-more {
    grid-column: 1 / -1;
    display: flex; justify-content: flex-end;
    padding-top: .6rem;
    border-top: 1px solid var(--border-color);
}
.dropdown-more-link {
    display: inline-flex; align-items: center; gap: .3rem;
    font-size: .72rem; font-weight: 600; color: var(--orange);
    text-decoration: none; transition: color .15s;
}
.dropdown-more-link svg { flex-shrink: 0; transition: transform .15s; }
.dropdown-more-link:hover { color: var(--orange-hover); text-decoration: underline; }
.dropdown-more-link:hover svg { transform: translateX(2px); }

.nav-right { margin-left: auto; display: flex; align-items: center; gap: 1rem; }

.nav-history-btn {
    display: flex; align-items: center; gap: .4rem;
    font-size: .875rem; font-weight: 500; color: var(--nav-link);
    background: none; border: none; cursor: pointer;
    transition: color .2s; padding: .4rem .6rem; border-radius: 8px;
    font-family: inherit;
}
.nav-history-btn:hover { color: var(--text-primary); }

.theme-toggle-btn {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    background: none; border: 1px solid var(--border-color);
    border-radius: 10px; cursor: pointer; font-size: 1rem;
    color: var(--text-secondary); transition: all .2s;
}
.theme-toggle-btn:hover { background: var(--card-bg); border-color: var(--text-muted); }

/* ── Notification bell ──────────────────────────────────────────────────────
   Markup + behavior live in partials/header.html (signed-in users only).
   The bell button reuses .theme-toggle-btn for its 36px icon-family sizing. */
.nav-notif { position: relative; }
.nav-notif-bell { position: relative; }
.nav-notif-badge {
    position: absolute; top: -6px; right: -6px;
    min-width: 18px; height: 18px; padding: 0 4px;
    box-sizing: border-box;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 999px;
    background: var(--orange); color: var(--brand-on-primary);
    /* Ring matches the page background so the bubble pops on both themes. */
    border: 2px solid var(--bg);
    font-size: .65rem; font-weight: 700; line-height: 1;
}
.nav-notif-badge[hidden] { display: none; }
.nav-notif-panel {
    position: absolute; right: 0; top: calc(100% + 8px);
    width: 340px; max-height: 420px; overflow-y: auto;
    overscroll-behavior: contain;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    box-shadow: var(--card-shadow-hover);
    /* Above the hover dropdowns (200); same layer as the mobile nav panel. */
    z-index: 300;
}
.nav-notif-panel[hidden] { display: none; }
.nav-notif-head {
    padding: .7rem .9rem;
    font-size: .8rem; font-weight: 700; color: var(--text-primary);
    border-bottom: 1px solid var(--card-border);
}
/* Keeps the panel body from collapsing while "Loading…" swaps to results. */
.nav-notif-list { min-height: 60px; }
.nav-notif-item {
    display: flex; gap: .6rem; padding: .7rem .9rem;
    border-bottom: 1px dashed var(--card-border);
}
.nav-notif-item:last-child { border-bottom: none; }
.nav-notif-item--unread { background: var(--orange-light); }
.nav-notif-item--streak { background: var(--orange-light); }
.nav-notif-item--streak .nav-notif-item-icon { color: var(--orange); }
.nav-notif-item--important { border-left: 3px solid var(--gold); }
.nav-notif-item-icon {
    flex-shrink: 0; display: inline-flex; margin-top: 2px;
    color: var(--text-secondary);
}
.nav-notif-item-text { min-width: 0; flex: 1; }
.nav-notif-item-title {
    font-weight: 700; font-size: .875rem; line-height: 1.35;
    color: var(--text-primary);
}
.nav-notif-item-body {
    font-size: .85rem; color: var(--text-secondary); line-height: 1.45;
    margin-top: .15rem;
    display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical;
    overflow: hidden;
}
.nav-notif-item-date { font-size: .72rem; color: var(--text-muted); margin-top: .25rem; }
.nav-notif-item-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--orange);
    flex-shrink: 0; align-self: flex-start; margin-top: 6px;
}
/* Per-item dismiss (×). 22px hit target, quiet until hovered/focused. */
.nav-notif-item-x {
    flex-shrink: 0; align-self: flex-start;
    width: 22px; height: 22px; padding: 0; margin: -1px -4px 0 0;
    display: inline-flex; align-items: center; justify-content: center;
    background: none; border: none; border-radius: 6px;
    color: var(--text-muted); cursor: pointer;
    transition: background .15s, color .15s;
}
.nav-notif-item-x:hover,
.nav-notif-item-x:focus-visible {
    background: var(--border-color);
    color: var(--text-primary);
}
.nav-notif-chip {
    display: inline-block; margin-left: .4rem; padding: .12rem .45rem;
    border-radius: 999px; vertical-align: middle;
    background: var(--gold); color: #fff;
    font-size: .62rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .04em;
}
.nav-notif-empty {
    text-align: center; padding: 1.5rem;
    color: var(--text-muted); font-size: .85rem;
}
.nav-notif-empty svg { display: block; margin: 0 auto .4rem; color: var(--teal); }

.nav-sign-in-btn {
    display: inline-flex; align-items: center;
    background: var(--orange); color: var(--brand-on-primary);
    font-size: .875rem; font-weight: 600;
    padding: .5rem .95rem; border-radius: 10px;
    text-decoration: none; transition: filter .15s, transform .15s;
}
.nav-sign-in-btn:hover { filter: brightness(1.05); transform: translateY(-1px); }

.nav-user-menu .nav-user-trigger {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .3rem .6rem; border-radius: 999px;
    color: var(--text-primary); text-decoration: none;
    font-size: .875rem; font-weight: 600;
    border: 1px solid var(--border-color); background: transparent;
    transition: background .15s, border-color .15s;
}
.nav-user-menu .nav-user-trigger:hover { background: var(--card-bg); border-color: var(--text-muted); }
.nav-user-avatar {
    width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0;
    background: var(--orange); color: var(--brand-on-primary);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: .85rem; font-weight: 700;
}
.nav-user-name {
    max-width: 9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.nav-user-menu-panel {
    right: 0; left: auto; min-width: 220px;
    transform: translateY(8px);
}
.nav-user-menu:hover .nav-user-menu-panel {
    transform: translateY(0);
}
.nav-user-meta {
    padding: .25rem .25rem .65rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: .5rem;
}
.nav-user-meta-name { font-weight: 600; font-size: .875rem; color: var(--text-primary); }
.nav-user-meta-email { font-size: .75rem; color: var(--text-muted); margin-top: .15rem; }
.nav-user-meta-role {
    margin-top: .35rem; font-size: .7rem; text-transform: uppercase; letter-spacing: .05em;
    color: var(--teal); font-weight: 600;
}

.site-footer {
    text-align: center; padding: 3rem 1.5rem 2rem;
    color: var(--footer-text); font-size: .8rem; position: relative; z-index: 1;
}
.footer-brand {
    font-weight: 600; font-size: .9rem; color: var(--text-secondary);
    margin-bottom: .3rem; display: flex; align-items: center; justify-content: center; gap: .35rem;
}
.footer-legal {
    display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
    gap: .35rem .6rem;
}
.footer-sep { color: var(--border-color); }
.footer-link {
    color: var(--footer-text); text-decoration: none; font-weight: 600;
    transition: color .15s;
}
.footer-link:hover { color: var(--orange); text-decoration: underline; }

.modal-backdrop {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.4); backdrop-filter: blur(4px);
    display: flex; align-items: center; justify-content: center; z-index: 10000;
}
.modal-backdrop.hidden { display: none !important; }
.modal {
    background: var(--modal-bg); border: 1px solid var(--modal-border);
    border-radius: 20px; padding: 2rem 2.25rem;
    width: 90%; max-width: 480px; color: var(--text-primary);
    position: relative; box-shadow: 0 24px 64px rgba(0,0,0,.2);
    animation: modalIn .25s ease both;
    /* Cap tall forms to the viewport and scroll inside the modal instead of
       letting the page behind scroll (which hid the action buttons). */
    max-height: 90vh; overflow-y: auto;
}
@keyframes modalIn { from { opacity:0; transform:scale(.96) translateY(8px); } to { opacity:1; transform:scale(1) translateY(0); } }
.modal-close {
    position: absolute; top: 1rem; right: 1.25rem;
    background: none; border: none; color: var(--text-muted);
    font-size: 1.2rem; cursor: pointer; transition: color .15s;
}
.modal-close:hover { color: var(--text-primary); }
.modal h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: .4rem; }
.modal p { color: var(--text-secondary); font-size: .88rem; margin-bottom: 1.5rem; }

.modal-actions { display: flex; gap: .75rem; }
.modal-submit {
    flex: 1; padding: .75rem; background: var(--orange); color: var(--brand-on-primary);
    border: none; border-radius: 10px; font-size: .95rem; font-weight: 600;
    cursor: pointer; transition: opacity .2s; font-family: inherit;
}
.modal-submit:hover { opacity: .88; }
.modal-submit:disabled { opacity: .4; cursor: not-allowed; }
.modal-cancel {
    padding: .75rem 1.25rem; background: none; color: var(--text-muted);
    border: none; border-radius: 10px; font-size: .95rem;
    cursor: pointer; transition: color .15s; font-family: inherit;
}
.modal-cancel:hover { color: var(--text-primary); }

.share-option {
    display: flex; align-items: center; gap: 1rem;
    padding: .75rem 1rem; border-radius: 12px;
    color: var(--text-primary); text-decoration: none;
    font-weight: 500; transition: background .2s;
}
.share-option:hover { background: var(--orange-light); }
.share-icon { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; }
.share-icon svg { width: 22px; height: 22px; }
.copy-link-box {
    margin-top: 1rem; background: var(--input-bg);
    border: 1px solid var(--input-border); border-radius: 12px;
    display: flex; align-items: center; padding: .4rem .4rem .4rem 1rem; gap: .5rem;
}
.copy-link-box input {
    flex: 1; background: transparent; border: none;
    color: var(--text-primary); outline: none;
    font-size: .85rem; font-family: inherit; min-width: 0;
}
.copy-link-box button {
    background: var(--orange); color: var(--brand-on-primary); border: none;
    padding: .55rem 1rem; border-radius: 8px; cursor: pointer;
    font-size: .8rem; font-weight: 600; font-family: inherit; transition: background .2s;
}
.copy-link-box button:hover { background: var(--orange-hover); }

.stars { display: flex; gap: .5rem; justify-content: center; margin-bottom: .6rem; }
.star { font-size: 2.4rem; cursor: pointer; color: var(--progress-bg); transition: color .15s, transform .1s; user-select: none; }
.star.active { color: var(--gold); }
.star:hover { transform: scale(1.18); color: var(--gold); }
.star-hint { text-align: center; font-size: .82rem; color: var(--text-muted); min-height: 1.2em; margin-bottom: 1rem; font-style: italic; }
.comment-box {
    width: 100%; background: var(--input-bg); border: 1px solid var(--input-border);
    border-radius: 10px; color: var(--text-primary); padding: .75rem;
    font-size: .9rem; resize: vertical; min-height: 80px; margin-bottom: 1rem;
    font-family: inherit; transition: background .3s, color .3s;
}
.comment-box::placeholder { color: var(--text-muted); }
.comment-box:focus { outline: none; border-color: var(--orange); }

.history-modal-inner { max-height: 70vh; display: flex; flex-direction: column; }
.history-header { display: flex; align-items: center; gap: .75rem; margin-bottom: 1.25rem; }
.history-icon {
    width: 42px; height: 42px; border-radius: 12px;
    background: var(--orange-light); display: flex;
    align-items: center; justify-content: center; flex-shrink: 0;
}
.history-icon svg { width: 22px; height: 22px; stroke: var(--orange); fill: none; stroke-width: 2; }
.history-search {
    width: 100%; padding: .7rem 1rem .7rem 2.5rem;
    background: var(--input-bg); border: 1px solid var(--input-border);
    border-radius: 12px; font-size: .9rem; font-family: inherit;
    color: var(--text-primary); outline: none; transition: border-color .2s;
    margin-bottom: 1rem;
}
.history-search:focus { border-color: var(--orange); }
.history-search-wrapper { position: relative; }
.history-search-wrapper svg {
    position: absolute; left: .85rem; top: 50%; transform: translateY(-50%);
    width: 16px; height: 16px; stroke: var(--text-muted); fill: none; stroke-width: 2;
}
.history-list {
    flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: .5rem;
    max-height: 400px; scrollbar-width: thin;
}
.history-item {
    display: flex; align-items: center; gap: .75rem;
    padding: .85rem 1rem; background: var(--card-bg);
    border: 1px solid var(--card-border); border-radius: 14px;
    text-decoration: none; color: var(--text-primary); transition: all .2s;
}
.history-item:hover { border-color: var(--orange); background: var(--orange-light); }
.history-item-icon {
    width: 40px; height: 40px; border-radius: 10px;
    background: var(--input-bg); display: flex;
    align-items: center; justify-content: center; flex-shrink: 0;
}
.history-item-icon svg { width: 18px; height: 18px; stroke: var(--text-muted); fill: none; stroke-width: 1.5; }
.history-item-text { flex: 1; min-width: 0; }
.history-item-title { font-weight: 600; font-size: .9rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.history-item-meta { font-size: .75rem; color: var(--text-muted); display: flex; align-items: center; gap: .4rem; margin-top: .15rem; }
.history-item-meta .star-small { color: var(--orange); }
.history-item-arrow { color: var(--text-muted); flex-shrink: 0; font-size: 1rem; }

/* Own-tutorial controls on each compact history row: favorite star + delete.
   Both live inside the row's <a>, so their handlers stop the click from
   navigating. Colours come from theme variables so dark mode flips for free. */
.history-item-actions { display: flex; align-items: center; gap: .25rem; flex-shrink: 0; }
.history-item-fav, .history-item-del-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 30px; height: 30px; padding: 0;
    background: transparent; border: 1px solid transparent; border-radius: 8px;
    cursor: pointer; color: var(--text-muted);
    transition: color .15s, background .15s, border-color .15s;
}
.history-item-fav svg, .history-item-del-btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; }
.history-item-fav:hover { color: var(--orange); background: var(--orange-light); }
.history-item-fav.is-fav { color: var(--orange); }
.history-item-fav.is-fav svg { fill: var(--orange); stroke: var(--orange); }
.history-item-del-btn:hover { color: var(--red-error); background: rgba(231,76,60,.08); border-color: rgba(231,76,60,.25); }

/* Inline two-step delete confirm (mirrors the announcements askDelete pattern). */
.history-confirm { display: inline-flex; align-items: center; gap: .25rem; }
.history-confirm-yes, .history-confirm-no {
    display: inline-flex; align-items: center; justify-content: center;
    height: 30px; padding: 0 .6rem; border-radius: 8px;
    font-size: .72rem; font-weight: 700; font-family: inherit; cursor: pointer;
    border: 1px solid transparent;
}
.history-confirm-yes { background: var(--red-error); color: #fff; }
.history-confirm-yes:hover { filter: brightness(1.05); }
.history-confirm-no { background: transparent; color: var(--text-secondary); border-color: var(--border-color); }
.history-confirm-no:hover { color: var(--text-primary); border-color: var(--text-muted); }

/* "Favorites only" filter chip below the search box. */
.history-fav-chip {
    display: inline-flex; align-items: center; gap: .4rem;
    padding: .45rem .9rem; margin-bottom: 1rem;
    background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 999px;
    font-size: .8rem; font-weight: 600; font-family: inherit; color: var(--text-secondary);
    cursor: pointer; transition: color .2s, border-color .2s, background .2s;
}
.history-fav-chip svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2; }
.history-fav-chip:hover { border-color: var(--orange); color: var(--orange); }
.history-fav-chip.is-active { background: var(--orange-light); color: var(--orange); border-color: var(--orange); }
.history-fav-chip.is-active svg { fill: var(--orange); stroke: var(--orange); }

@media (max-width: 500px) {
    .history-item-fav, .history-item-del-btn { width: 36px; height: 36px; }
    .history-confirm-yes, .history-confirm-no { height: 36px; }
}

.history-close-btn {
    width: 100%; margin-top: 1rem; padding: .85rem;
    background: var(--card-bg); border: 1px solid var(--border-color);
    border-radius: 14px; font-size: .95rem; font-weight: 500;
    color: var(--text-secondary); cursor: pointer; font-family: inherit; transition: all .2s;
}
.history-close-btn:hover { border-color: var(--text-muted); color: var(--text-primary); }

.hidden { display: none !important; }

.lightbox {
    position: fixed; inset: 0; z-index: 20000;
    background: rgba(0,0,0,.85); backdrop-filter: blur(8px);
    display: flex; align-items: center; justify-content: center;
    cursor: zoom-out; animation: fadeIn .2s ease;
}
.lightbox.hidden { display: none !important; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.lightbox img {
    max-width: 92vw; max-height: 90vh;
    border-radius: 12px; box-shadow: 0 8px 40px rgba(0,0,0,.4);
    object-fit: contain;
}
.lightbox-close {
    position: absolute; top: 1.5rem; right: 1.5rem;
    background: rgba(255,255,255,.15); border: none;
    color: #fff; width: 40px; height: 40px; border-radius: 50%;
    font-size: 1.2rem; cursor: pointer; display: flex;
    align-items: center; justify-content: center; transition: background .2s;
}
.lightbox-close:hover { background: rgba(255,255,255,.3); }

/* ── Avatars ────────────────────────────────────────────────────────────────
   A picked avatar preset renders as a full-bleed SVG inside the same circle
   the initials use (the SVG carries its own colored circle). */
.avatar img, .nav-user-avatar img {
    width: 100%; height: 100%; border-radius: 50%;
    display: block; object-fit: cover;
}

/* ── Mobile navigation (hamburger) ─────────────────────────────────────────
   Below 960px the inline nav links become a tap-to-open panel under the bar,
   and hover dropdowns become tap-to-open accordions (hover doesn't exist on
   touch). The hamburger button lives in the header partial. */
.nav-hamburger {
    /* Matches .theme-toggle-btn so the icon row reads as one family. */
    width: 36px; height: 36px; flex-shrink: 0;
    display: none; align-items: center; justify-content: center;
    background: none; border: 1px solid var(--border-color);
    border-radius: 10px; cursor: pointer;
    color: var(--text-secondary); transition: all .2s;
}
.nav-hamburger:hover { background: var(--card-bg); border-color: var(--text-muted); color: var(--text-primary); }
.nav-hamburger svg { display: none; }
.nav-hamburger .nav-hamburger-open { display: block; }
.navbar.nav-open .nav-hamburger .nav-hamburger-open { display: none; }
.navbar.nav-open .nav-hamburger .nav-hamburger-close { display: block; }

@keyframes nav-panel-in {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 960px) {
    .nav-hamburger { display: inline-flex; }
    .navbar-inner { gap: 1rem; }
    .nav-right { gap: .5rem; }
    .nav-history-label { display: none; }
    .nav-user-name { display: none; }

    /* Nav links: full-width panel anchored under the (sticky) bar. */
    .navbar .nav-links {
        display: none;
        position: absolute; top: 100%; left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 0;
        background: var(--card-bg);
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 16px 32px rgba(0, 0, 0, .12);
        padding: .25rem 1.25rem .75rem;
        max-height: calc(100vh - 60px); overflow-y: auto;
        overscroll-behavior: contain;
        z-index: 300;
    }
    .navbar.nav-open .nav-links { display: flex; animation: nav-panel-in .18s ease; }
    .navbar .nav-links > li { width: 100%; border-bottom: 1px solid var(--border-color); }
    .navbar .nav-links > li:last-child { border-bottom: none; }
    .navbar .nav-links > li > a {
        display: flex; align-items: center; justify-content: space-between;
        padding: .9rem .25rem; font-size: .95rem;
    }

    /* Dropdowns inside the panel: tap-to-open accordions. */
    .navbar .nav-links .nav-dropdown .nav-dropdown-menu {
        position: static; display: none; opacity: 1; visibility: visible;
        transform: none; min-width: 0; width: auto;
        border: none; border-radius: 0; box-shadow: none; background: transparent;
        padding: 0 0 .9rem .5rem;
    }
    .navbar .nav-links .nav-dropdown.open .nav-dropdown-menu { display: block; }
    .navbar .nav-links .nav-dropdown.open .chevron { transform: rotate(180deg); }
    .navbar .nav-links .nav-dropdown-menu .dropdown-group { margin-bottom: .85rem; }
    .navbar .nav-links .nav-dropdown-menu .dropdown-group-items a { font-size: .85rem; padding: .4rem 0; }
    .navbar .nav-links .nav-dropdown-menu::before { display: none; }
    /* Accordion panel is a plain block here — left-align the footer link so it
       reads as one more tappable row under the categories. */
    .navbar .nav-links .nav-dropdown-menu .dropdown-more { justify-content: flex-start; }
    .navbar .nav-links .nav-dropdown-menu .dropdown-more-link { font-size: .85rem; padding: .2rem 0; }

    /* Avatar menu: stays anchored to the bar, right-aligned, tap-to-open. */
    .navbar .nav-user-menu .nav-dropdown-menu {
        left: auto; right: 0; transform: none;
        display: none; opacity: 1;
    }
    .navbar .nav-user-menu.open .nav-dropdown-menu { display: block; visibility: visible; }

    /* Notification panel: full-width sheet just under the sticky bar.
       The bar is .navbar-inner's 60px + the navbar's 1px bottom border.
       (The navbar's backdrop-filter makes it the containing block for
       fixed descendants, but it's pinned full-width at the viewport top,
       so these offsets land in the same place either way.) */
    .nav-notif-panel {
        position: fixed; top: 61px; left: .5rem; right: .5rem;
        width: auto;
        max-height: min(420px, calc(100vh - 76px));
    }
}

@media (max-width: 600px) {
    .navbar { padding: 0 1rem; }
    .nav-logo img { max-width: 140px; }
}