/* =====================================================================
   Frank — theme tokens (light + dark) layered on Bootstrap 5.3
   ===================================================================== */
:root,
[data-bs-theme=light] {
    --app-accent: #2f6fdb;
    --app-accent-rgb: 47, 111, 219;
    --app-accent-hover: #255fc2;
    --app-accent-soft: rgba(47, 111, 219, .12);

    --app-bg: #f8f8f6;
    --app-sidebar-bg: #efefec;
    --app-surface: #ffffff;
    --app-border: #e2e2dd;
    --app-hover: rgba(0, 0, 0, .05);
    --app-active: rgba(0, 0, 0, .085);
    --app-user-bubble: #ebebe7;
    --app-code-bg: #f3f3f0;
    --app-code-inline-bg: rgba(0, 0, 0, .06);
    --app-shadow: 0 2px 14px rgba(0, 0, 0, .05);

    /* Chart colours (categorical, fixed order) — validated against the light card surface (#ffffff) */
    --chart-1: #2a78d6; --chart-2: #eb6834; --chart-3: #1baf7a; --chart-4: #eda100;
    --chart-5: #e87ba4; --chart-6: #008300; --chart-7: #6250d6; --chart-8: #e34948;
    --chart-surface: var(--app-surface);
    --chart-grid: #e8e7e1;
    --chart-axis: #c3c2b7;

    --bs-body-bg: var(--app-bg);
    --bs-body-color: #1f1f1d;
    --bs-border-color: var(--app-border);
    --bs-secondary-bg: #ededea;
    --bs-tertiary-bg: #f2f2ef;
    --bs-primary: var(--app-accent);
    --bs-primary-rgb: var(--app-accent-rgb);
    --bs-link-color: var(--app-accent);
    --bs-link-color-rgb: var(--app-accent-rgb);
    --bs-link-hover-color: var(--app-accent-hover);
    --bs-body-font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

[data-bs-theme=dark] {
    --app-accent: #5b8def;
    --app-accent-rgb: 91, 141, 239;
    --app-accent-hover: #7aa3f2;
    --app-accent-soft: rgba(91, 141, 239, .16);

    --app-bg: #1f1f1f;
    --app-sidebar-bg: #171717;
    --app-surface: #2a2a2a;
    --app-border: #383838;
    --app-hover: rgba(255, 255, 255, .06);
    --app-active: rgba(255, 255, 255, .1);
    --app-user-bubble: #303030;
    --app-code-bg: #181818;
    --app-code-inline-bg: rgba(255, 255, 255, .09);
    --app-shadow: 0 2px 14px rgba(0, 0, 0, .3);

    /* Chart colours stepped for the dark card surface (#2a2a2a); same hues and order as light */
    --chart-1: #3987e5; --chart-2: #d95926; --chart-3: #199e70; --chart-4: #c98500;
    --chart-5: #d55181; --chart-6: #008300; --chart-7: #9085e9; --chart-8: #e66767;
    --chart-surface: var(--app-surface);
    --chart-grid: #3b3b38;
    --chart-axis: #55554f;

    --bs-body-bg: var(--app-bg);
    --bs-body-color: #e6e6e3;
    --bs-border-color: var(--app-border);
    --bs-secondary-bg: #2a2a2a;
    --bs-tertiary-bg: #262626;
    --bs-primary: var(--app-accent);
    --bs-primary-rgb: var(--app-accent-rgb);
    --bs-link-color: var(--app-accent);
    --bs-link-color-rgb: var(--app-accent-rgb);
    --bs-link-hover-color: var(--app-accent-hover);
}

html, body { height: 100%; }
body { background: var(--app-bg); }

.btn-primary {
    --bs-btn-bg: var(--app-accent);
    --bs-btn-border-color: var(--app-accent);
    --bs-btn-hover-bg: var(--app-accent-hover);
    --bs-btn-hover-border-color: var(--app-accent-hover);
    --bs-btn-active-bg: var(--app-accent-hover);
    --bs-btn-active-border-color: var(--app-accent-hover);
    --bs-btn-disabled-bg: var(--app-accent);
    --bs-btn-disabled-border-color: var(--app-accent);
    --bs-btn-color: #fff;
    --bs-btn-hover-color: #fff;
    --bs-btn-active-color: #fff;
}

.form-control:focus,
.form-select:focus,
.form-check-input:focus,
.btn:focus-visible {
    border-color: rgba(var(--app-accent-rgb), .6);
    box-shadow: 0 0 0 .2rem rgba(var(--app-accent-rgb), .2);
}

.form-check-input:checked {
    background-color: var(--app-accent);
    border-color: var(--app-accent);
}

.form-control, .form-select, .input-group-text { background-color: var(--app-surface); }
.input-group-text { color: var(--bs-secondary-color); }

.dropdown-menu { --bs-dropdown-link-active-bg: var(--app-accent); }
.dropdown-item i { display: inline-block; width: 1.35rem; }

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    border: 0;
    border-radius: .55rem;
    background: transparent;
    color: var(--bs-secondary-color);
    font-size: 1.1rem;
}
.btn-icon:hover, .btn-icon:focus-visible, .btn-icon[aria-expanded=true] {
    background: var(--app-hover);
    color: var(--bs-body-color);
}
.btn-icon.btn-sm { width: 1.75rem; height: 1.75rem; font-size: .95rem; border-radius: .4rem; }

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.9rem;
    height: 1.9rem;
    border-radius: .55rem;
    background: var(--app-accent);
    color: #fff;
    font-size: .95rem;
    flex-shrink: 0;
}

.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: var(--app-accent);
    color: #fff;
    font-size: .8rem;
    font-weight: 600;
    flex-shrink: 0;
    letter-spacing: .02em;
}
.avatar-lg { width: 3.5rem; height: 3.5rem; font-size: 1.25rem; }

/* =====================================================================
   App shell: sidebar + main
   ===================================================================== */
.app-body { overflow: hidden; }

.app-shell {
    display: flex;
    height: 100vh;
    height: 100dvh;
}

.app-sidebar {
    width: 268px;
    flex-shrink: 0;
}

.sidebar-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    background: var(--app-sidebar-bg);
}

@media (min-width: 768px) {
    .app-sidebar {
        display: flex;
        border-right: 1px solid var(--app-border);
        transition: margin-left .2s ease;
    }
    html.sidebar-collapsed .app-sidebar { margin-left: -268px; border-right-color: transparent; }
    html:not(.sidebar-collapsed) .topbar-sidebar-toggle,
    html:not(.sidebar-collapsed) .topbar-new-chat { display: none; }
}

@media (max-width: 767.98px) {
    .app-sidebar { --bs-offcanvas-width: 284px; }
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .7rem .6rem .4rem .8rem;
}

.sidebar-brand {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    color: var(--bs-body-color);
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
}

.sidebar-new-chat {
    display: flex;
    align-items: center;
    gap: .6rem;
    margin: .25rem .5rem .35rem;
    padding: .5rem .65rem;
    border-radius: .6rem;
    color: var(--bs-body-color);
    font-weight: 500;
    font-size: .92rem;
    text-decoration: none;
}
.sidebar-new-chat:hover { background: var(--app-hover); color: var(--bs-body-color); }
.sidebar-new-chat i { color: var(--app-accent); font-size: 1.05rem; }

.sidebar-conversations {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: 0 .5rem .5rem;
}

.conv-group-title {
    padding: .9rem .65rem .3rem;
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .02em;
    color: var(--bs-secondary-color);
}

.conv-item {
    position: relative;
    display: flex;
    align-items: center;
    border-radius: .5rem;
}
.conv-item:hover, .conv-item:focus-within { background: var(--app-hover); }
.conv-item.active { background: var(--app-active); }

.conv-link {
    flex: 1;
    min-width: 0;
    padding: .42rem .65rem;
    color: var(--bs-body-color);
    font-size: .875rem;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.conv-link:hover { color: var(--bs-body-color); }

.conv-menu { margin-right: .2rem; opacity: 0; }
.conv-item:hover .conv-menu,
.conv-item.active .conv-menu,
.conv-menu:focus-within { opacity: 1; }
@media (hover: none) { .conv-menu { opacity: 1; } }

.conv-empty { padding: 1rem .65rem; color: var(--bs-secondary-color); font-size: .85rem; }

.sidebar-footer {
    padding: .5rem;
    border-top: 1px solid var(--app-border);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: .6rem;
    width: 100%;
    padding: .45rem .5rem;
    border: 0;
    border-radius: .6rem;
    background: transparent;
    color: var(--bs-body-color);
    text-align: left;
}
.sidebar-user:hover, .sidebar-user[aria-expanded=true] { background: var(--app-hover); }

.sidebar-user-text { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.25; }
.sidebar-user-name { font-size: .88rem; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-level { font-size: .72rem; color: var(--bs-secondary-color); }
.sidebar-user-gear { font-size: 1.1rem; color: var(--bs-secondary-color); }
.sidebar-user:hover .sidebar-user-gear { color: var(--bs-body-color); }
.sidebar-user-menu { min-width: 250px; }

.app-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.app-topbar {
    display: flex;
    align-items: center;
    gap: .25rem;
    height: 3.25rem;
    padding: 0 .75rem;
    flex-shrink: 0;
}

.topbar-content {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: .5rem;
}

.app-content {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    position: relative;
}

/* =====================================================================
   Chat
   ===================================================================== */
.chat {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.chat-scroll {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
}

.chat-column {
    max-width: 48rem;
    margin: 0 auto;
    padding: .5rem 1.25rem 1.5rem;
}

.chat-welcome { display: none; text-align: center; padding: 0 1rem 1.5rem; }
.chat-welcome .brand-mark { width: 2.75rem; height: 2.75rem; font-size: 1.3rem; border-radius: .8rem; margin-bottom: 1rem; }
.chat-welcome h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 500; margin: 0; }

.chat.is-empty { justify-content: center; }
.chat.is-empty .chat-scroll { flex: 0 0 auto; overflow: visible; }
.chat.is-empty .chat-welcome { display: block; }
.chat.is-empty .chat-composer-wrap { padding-bottom: 14vh; }
.chat.is-empty .composer-hint { visibility: hidden; }

.model-picker .btn {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    max-width: 22rem;
    border: 0;
    border-radius: .55rem;
    font-weight: 500;
    color: var(--bs-body-color);
}
.model-picker .btn:hover, .model-picker .btn[aria-expanded=true] { background: var(--app-hover); }
.model-picker .model-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.model-picker .dropdown-menu { max-height: 60vh; overflow-y: auto; min-width: 16rem; }
.model-picker .dropdown-item.active { background: var(--app-accent-soft); color: var(--bs-body-color); }

.chat-composer-wrap { padding: 0 1.25rem .75rem; flex-shrink: 0; }

.chat-composer {
    max-width: 48rem;
    margin: 0 auto;
    padding: .75rem .75rem .6rem 1rem;
    background: var(--app-surface);
    border: 1px solid var(--app-border);
    border-radius: 1.25rem;
    box-shadow: var(--app-shadow);
    transition: border-color .15s, box-shadow .15s;
}
.chat-composer:focus-within {
    border-color: rgba(var(--app-accent-rgb), .45);
    box-shadow: var(--app-shadow), 0 0 0 .2rem rgba(var(--app-accent-rgb), .1);
}

.chat-composer textarea {
    display: block;
    width: 100%;
    min-height: 1.6rem;
    max-height: 40vh;
    padding: 0;
    border: 0;
    outline: 0;
    resize: none;
    background: transparent;
    color: var(--bs-body-color);
    line-height: 1.55;
}

.composer-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: .5rem;
    margin-top: .4rem;
}

.btn-send {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.2rem;
    height: 2.2rem;
    border: 0;
    border-radius: .7rem;
    background: var(--app-accent);
    color: #fff;
    font-size: 1.05rem;
}
.btn-send:hover:not(:disabled) { background: var(--app-accent-hover); }
.btn-send:disabled { opacity: .35; }
.btn-send.is-stop { background: var(--bs-body-color); color: var(--app-surface); }

.composer-hint {
    margin-top: .45rem;
    text-align: center;
    font-size: .72rem;
    color: var(--bs-secondary-color);
}

.msg { margin: 1.4rem 0; }

.msg-user { display: flex; justify-content: flex-end; }
.msg-user .msg-bubble {
    max-width: 85%;
    padding: .6rem 1rem;
    border-radius: 1.15rem;
    background: var(--app-user-bubble);
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.msg-assistant { display: flex; gap: .85rem; }
.msg-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.9rem;
    height: 1.9rem;
    margin-top: .05rem;
    border-radius: .55rem;
    background: var(--app-accent-soft);
    color: var(--app-accent);
    flex-shrink: 0;
}
.msg-body { flex: 1; min-width: 0; padding-top: .15rem; }

.msg-actions { display: flex; gap: .15rem; margin-top: .35rem; opacity: 0; transition: opacity .15s; }
.msg-assistant:hover .msg-actions, .msg-actions:focus-within { opacity: 1; }
@media (hover: none) { .msg-actions { opacity: 1; } }

.msg-error {
    display: flex;
    gap: .5rem;
    align-items: flex-start;
    margin-top: .5rem;
    padding: .6rem .85rem;
    border-radius: .6rem;
    background: rgba(var(--bs-danger-rgb), .1);
    color: var(--bs-danger-text-emphasis);
    font-size: .9rem;
}

.msg-stopped { margin-top: .4rem; font-size: .8rem; color: var(--bs-secondary-color); }

/* The model's thinking, above its answer */
.thinking { margin: 0 0 .75rem; }
.thinking-toggle {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .25rem .55rem .25rem .4rem;
    border: 0;
    border-radius: .5rem;
    background: transparent;
    color: var(--bs-secondary-color);
    font-size: .85rem;
}
.thinking-toggle:hover, .thinking-toggle:focus-visible { background: var(--app-hover); color: var(--bs-body-color); }
.thinking-icon { color: var(--app-accent); }
.thinking-chevron { font-size: .7rem; transition: transform .15s ease; }
.thinking.is-open .thinking-chevron { transform: rotate(180deg); }
.thinking-body {
    max-height: 18rem;
    overflow-y: auto;
    margin: .35rem 0 0 .55rem;
    padding: .15rem 0 .15rem .9rem;
    border-left: 2px solid var(--app-border);
    color: var(--bs-secondary-color);
    font-size: .85rem;
    line-height: 1.55;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}
/* Live: a soft shimmer across the "Thinking…" label */
.thinking.is-live .thinking-label {
    background: linear-gradient(90deg, var(--bs-secondary-color) 0%, var(--bs-body-color) 50%, var(--bs-secondary-color) 100%);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: thinking-shimmer 1.6s linear infinite;
}
@keyframes thinking-shimmer {
    from { background-position: 100% 0; }
    to { background-position: -100% 0; }
}
@media (prefers-reduced-motion: reduce) {
    .thinking.is-live .thinking-label { animation: none; color: var(--bs-body-color); background: none; }
}

.typing { display: inline-flex; gap: .3rem; padding: .55rem 0; }
.typing span {
    width: .45rem;
    height: .45rem;
    border-radius: 50%;
    background: var(--bs-secondary-color);
    animation: typing 1.2s infinite ease-in-out;
}
.typing span:nth-child(2) { animation-delay: .15s; }
.typing span:nth-child(3) { animation-delay: .3s; }
@keyframes typing {
    0%, 80%, 100% { opacity: .25; transform: scale(.85); }
    40% { opacity: 1; transform: scale(1); }
}

/* Markdown content */
.markdown { line-height: 1.68; overflow-wrap: anywhere; }
.markdown > :first-child { margin-top: 0; }
.markdown > :last-child { margin-bottom: 0; }
.markdown p, .markdown ul, .markdown ol, .markdown blockquote, .markdown table { margin: 0 0 .9rem; }
.markdown h1, .markdown h2, .markdown h3, .markdown h4 { margin: 1.4rem 0 .6rem; font-weight: 600; line-height: 1.3; }
.markdown h1 { font-size: 1.45rem; }
.markdown h2 { font-size: 1.25rem; }
.markdown h3 { font-size: 1.1rem; }
.markdown h4 { font-size: 1rem; }
.markdown li { margin: .2rem 0; }
.markdown li > p { margin-bottom: .3rem; }
.markdown blockquote { padding-left: 1rem; border-left: 3px solid var(--app-border); color: var(--bs-secondary-color); }
.markdown hr { margin: 1.25rem 0; border-color: var(--app-border); opacity: 1; }
.markdown code {
    padding: .12rem .32rem;
    border-radius: .3rem;
    background: var(--app-code-inline-bg);
    color: inherit;
    font-size: .86em;
}
.markdown table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; font-size: .9rem; }
.markdown th, .markdown td { padding: .4rem .7rem; border: 1px solid var(--app-border); }
.markdown th { background: var(--bs-tertiary-bg); font-weight: 600; }
.markdown img { max-width: 100%; }

.code-block {
    margin: 0 0 .9rem;
    border: 1px solid var(--app-border);
    border-radius: .65rem;
    background: var(--app-code-bg);
    overflow: hidden;
}
.code-block-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .25rem .4rem .25rem .85rem;
    border-bottom: 1px solid var(--app-border);
    font-size: .75rem;
    color: var(--bs-secondary-color);
}
/* Monospace with full box-drawing coverage, no ligatures and a tighter line height, so any text
   art lines up as well as the model wrote it and vertical box lines nearly join. */
.code-block pre {
    margin: 0;
    padding: .85rem 1rem;
    overflow-x: auto;
    font-family: "Cascadia Mono", Consolas, "SF Mono", Menlo, "DejaVu Sans Mono", "Liberation Mono", monospace;
    font-size: .84rem;
    line-height: 1.35;
    font-variant-ligatures: none;
    tab-size: 4;
}

/* Charts drawn from ```chart blocks (chart-blocks.js) */
.chart-card {
    margin: 0 0 .9rem;
    padding: .75rem .9rem .6rem;
    background: var(--chart-surface);
    border: 1px solid var(--app-border);
    border-radius: .75rem;
}
.chart-head { display: flex; align-items: center; justify-content: space-between; gap: .75rem; margin-bottom: .5rem; }
.chart-title { font-weight: 600; font-size: .92rem; }
.chart-toggle {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    flex-shrink: 0;
    padding: .2rem .5rem;
    border: 0;
    border-radius: .4rem;
    background: transparent;
    color: var(--bs-secondary-color);
    font-size: .78rem;
}
.chart-toggle:hover, .chart-toggle:focus-visible, .chart-toggle[aria-expanded=true] { background: var(--app-hover); color: var(--bs-body-color); }
.chart-frame { position: relative; height: 20rem; }
.chart-pie .chart-frame, .chart-doughnut .chart-frame { height: 17rem; }
@media (max-width: 575.98px) { .chart-frame { height: 15rem; } .chart-pie .chart-frame, .chart-doughnut .chart-frame { height: 14rem; } }
.chart-table { margin-top: .6rem; }
.chart-data { --bs-table-bg: transparent; font-size: .82rem; margin: 0; font-variant-numeric: tabular-nums; }
.chart-note { margin-top: .4rem; font-size: .78rem; color: var(--bs-secondary-color); }
.chart-placeholder {
    display: flex;
    align-items: center;
    gap: .5rem;
    margin: 0 0 .9rem;
    padding: 1rem;
    border: 1px dashed var(--app-border);
    border-radius: .75rem;
    color: var(--bs-secondary-color);
    font-size: .88rem;
}
.chart-error {
    display: flex;
    gap: .4rem;
    align-items: flex-start;
    margin: -.4rem 0 .9rem;
    font-size: .82rem;
    color: var(--bs-secondary-color);
}
.code-block pre code { padding: 0; background: none; font-size: inherit; }
.code-copy { display: inline-flex; align-items: center; gap: .3rem; border: 0; background: transparent; color: inherit; font-size: .75rem; border-radius: .35rem; padding: .2rem .45rem; }
.code-copy:hover { background: var(--app-hover); color: var(--bs-body-color); }

/* =====================================================================
   Settings
   ===================================================================== */
.settings {
    max-width: 66rem;
    margin: 0 auto;
    padding: .5rem 1.5rem 3rem;
}

.settings-title { font-size: 1.5rem; font-weight: 600; margin: 0 0 1.25rem; }

.settings-layout { display: flex; gap: 2rem; align-items: flex-start; }

.settings-nav { width: 13rem; flex-shrink: 0; position: sticky; top: 0; }
.settings-nav .nav-link {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .45rem .75rem;
    border-radius: .55rem;
    color: var(--bs-body-color);
    font-size: .92rem;
}
.settings-nav .nav-link:hover { background: var(--app-hover); }
.settings-nav .nav-link.active { background: var(--app-active); font-weight: 500; }
.settings-nav .nav-section { padding: 1rem .75rem .3rem; font-size: .72rem; font-weight: 600; color: var(--bs-secondary-color); }

.settings-body { flex: 1; min-width: 0; }

@media (max-width: 767.98px) {
    .settings { padding: .5rem 1rem 2rem; }
}

/* Stack the settings nav above the content whenever the main pane is narrow
   (phones, or a small window with the sidebar open). */
.settings { container-type: inline-size; }
@container (max-width: 50rem) {
    .settings-layout { flex-direction: column; align-items: stretch; gap: 1rem; }
    .settings-nav { width: 100%; position: static; }
    .settings-nav .nav { flex-direction: row !important; flex-wrap: nowrap; overflow-x: auto; gap: .25rem; }
    .settings-nav .nav-link { white-space: nowrap; }
    .settings-nav .nav-section { display: none; }
}

.settings-card {
    margin-bottom: 1.25rem;
    padding: 1.25rem 1.5rem;
    background: var(--app-surface);
    border: 1px solid var(--app-border);
    border-radius: .9rem;
}
.settings-card > h2 { font-size: 1.05rem; font-weight: 600; margin: 0 0 .2rem; }
.settings-card > .card-hint { color: var(--bs-secondary-color); font-size: .875rem; margin-bottom: 1.1rem; }
.settings-card .table { --bs-table-bg: transparent; margin-bottom: 0; }
.settings-card.danger { border-color: rgba(var(--bs-danger-rgb), .35); }

.profile-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.25rem; }
.profile-header .name { font-size: 1.2rem; font-weight: 600; }

.profile-list { display: grid; grid-template-columns: 10rem 1fr; gap: .65rem 1rem; margin: 0; }
.profile-list dt { font-weight: 500; color: var(--bs-secondary-color); font-size: .9rem; }
.profile-list dd { margin: 0; overflow-wrap: anywhere; }
@media (max-width: 575.98px) {
    .profile-list { grid-template-columns: 1fr; gap: .1rem; }
    .profile-list dd { margin-bottom: .6rem; }
}

.theme-options { display: grid; grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr)); gap: .75rem; max-width: 24rem; }
.theme-option { position: relative; cursor: pointer; }
.theme-option input { position: absolute; opacity: 0; }
.theme-option .theme-card {
    display: flex;
    flex-direction: column;
    gap: .5rem;
    padding: .6rem;
    border: 2px solid var(--app-border);
    border-radius: .75rem;
}
.theme-option input:checked + .theme-card { border-color: var(--app-accent); }
.theme-option input:focus-visible + .theme-card { box-shadow: 0 0 0 .2rem rgba(var(--app-accent-rgb), .25); }
.theme-preview { height: 4.25rem; border-radius: .45rem; display: flex; overflow: hidden; border: 1px solid rgba(128, 128, 128, .25); }
.theme-preview .pv-side { width: 30%; }
.theme-preview .pv-main { flex: 1; padding: .5rem; display: flex; flex-direction: column; gap: .3rem; justify-content: flex-end; }
.theme-preview .pv-line { height: .4rem; border-radius: .2rem; }
.theme-preview.light .pv-side { background: #efefec; }
.theme-preview.light .pv-main { background: #f8f8f6; }
.theme-preview.light .pv-line { background: #d9d9d4; }
.theme-preview.dark .pv-side { background: #171717; }
.theme-preview.dark .pv-main { background: #1f1f1f; }
.theme-preview.dark .pv-line { background: #3a3a3a; }
.theme-card .label { display: flex; align-items: center; gap: .4rem; font-size: .9rem; font-weight: 500; }

.users-toolbar { display: flex; gap: .75rem; flex-wrap: wrap; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.users-toolbar form { flex: 1; max-width: 22rem; }
.users-table td, .users-table th { vertical-align: middle; }
.users-table .user-cell { display: flex; align-items: center; gap: .65rem; min-width: 11rem; }
.users-table td.status-cell { min-width: 5.5rem; }
.users-table td.status-cell .badge { margin: .1rem .15rem .1rem 0; }
.users-table .user-cell-text { min-width: 0; max-width: 22rem; line-height: 1.3; }
.users-table .user-cell .avatar { width: 1.9rem; height: 1.9rem; font-size: .72rem; }
.users-table tr.inactive .user-cell { opacity: .55; }

.badge-level { font-weight: 500; }
.badge-level.level-owner { background: var(--app-accent-soft); color: var(--app-accent); }
.badge-level.level-admin { background: rgba(var(--bs-warning-rgb), .18); color: var(--bs-warning-text-emphasis); }
.badge-level.level-user { background: var(--bs-secondary-bg); color: var(--bs-secondary-color); }

.test-result { font-size: .875rem; }

/* Token usage */
.settings.settings-wide { max-width: 96rem; }
/* Wide pages put the settings menu in a row of tabs above the content, giving the table the full width. */
.settings-wide .settings-layout { flex-direction: column; align-items: stretch; gap: 1rem; }
.settings-wide .settings-nav { width: 100%; position: static; }
.settings-wide .settings-nav .nav { flex-direction: row !important; flex-wrap: nowrap; overflow-x: auto; gap: .25rem; }
.settings-wide .settings-nav .nav-link { white-space: nowrap; }
.settings-wide .settings-nav .nav-section { display: none; }

.usage-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: .75rem;
    margin-bottom: 1rem;
}
.usage-dates { display: flex; flex-wrap: wrap; gap: .75rem; }
.usage-label { display: flex; flex-direction: column; gap: .2rem; font-size: .8rem; color: var(--bs-secondary-color); }
.usage-label .form-control { width: 10rem; }
.usage-search { flex: 1 1 14rem; max-width: 24rem; }
.usage-actions { display: flex; gap: .5rem; margin-left: auto; }
.usage-actions .form-select { width: auto; }

.usage-table { --bs-table-bg: transparent; font-size: .875rem; margin-bottom: 0; }
.usage-table th, .usage-table td { vertical-align: top; }
.usage-table thead th { white-space: nowrap; border-bottom-width: 2px; vertical-align: bottom; }
.usage-table thead th.text-end { white-space: normal; }
.usage-table thead th.text-end .usage-sort { flex-direction: row-reverse; text-align: right; }
.usage-table th[data-col="prompt"] { min-width: 14rem; width: 40%; }
.usage-table th[data-col="user"] { min-width: 8rem; }
.usage-table th[data-col="name"] { min-width: 10rem; }
.usage-table th[data-col="secs"], .usage-table th[data-col="tokens"], .usage-table th[data-col="cost"] { width: 1%; }

.usage-sort {
    display: inline-flex;
    align-items: center;
    gap: .2rem;
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
    font-weight: 600;
}
.usage-sort .bi { font-size: .7rem; color: var(--app-accent); }
.usage-sort:hover { color: var(--app-accent); }

.usage-funnel {
    margin-left: .3rem;
    padding: .05rem .25rem;
    border: 0;
    border-radius: .3rem;
    background: transparent;
    color: var(--bs-secondary-color);
    font-size: .75rem;
    line-height: 1;
}
.usage-funnel:hover, .usage-funnel[aria-expanded=true] { background: var(--app-hover); color: var(--bs-body-color); }
.usage-funnel.active { color: var(--app-accent); }

.usage-date { white-space: nowrap; }
.usage-prompt { white-space: pre-wrap; overflow-wrap: anywhere; }
.usage-status { white-space: nowrap; }
.usage-status-stopped { color: var(--bs-secondary-color); }
.usage-status-error, .usage-status-token-limit-reached { color: var(--bs-danger-text-emphasis); }
.usage-empty { text-align: center; color: var(--bs-secondary-color); padding: 1.5rem .5rem !important; }

.usage-table tfoot th, .usage-table tfoot td {
    border-top: 2px solid var(--app-accent);
    border-bottom: 0;
    background: var(--app-accent-soft);
    font-weight: 600;
    white-space: nowrap;
}

.usage-pager {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
    margin-top: .75rem;
}
.usage-pager .usage-page { min-width: 7rem; }

.usage-filter-pop {
    position: fixed;
    z-index: 1080;
    width: 16rem;
    padding: .75rem;
    background: var(--app-surface);
    border: 1px solid var(--app-border);
    border-radius: .6rem;
}
.usage-filter-list { max-height: 15rem; overflow-y: auto; font-size: .875rem; }
.usage-filter-list .form-check { display: flex; gap: .45rem; align-items: flex-start; margin: 0; padding: .15rem 0 .15rem 0; cursor: pointer; }
.usage-filter-list .form-check-input { float: none; margin: .2rem 0 0; flex-shrink: 0; }
.usage-filter-list .form-check-label { overflow-wrap: anywhere; }
.usage-filter-all { border-bottom: 1px solid var(--app-border); margin-bottom: .25rem !important; padding-bottom: .35rem !important; }

/* =====================================================================
   Sign-in pages
   ===================================================================== */
.auth-body { display: flex; min-height: 100vh; }

.auth-main {
    width: 100%;
    max-width: 440px;
    margin: auto;
    padding: 2rem 1rem;
}

.auth-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .6rem;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 600;
}
.auth-brand .brand-mark { width: 2.5rem; height: 2.5rem; font-size: 1.2rem; border-radius: .7rem; }

.auth-card {
    padding: 2rem;
    background: var(--app-surface);
    border: 1px solid var(--app-border);
    border-radius: 1rem;
    box-shadow: var(--app-shadow);
}
@media (max-width: 400px) { .auth-card { padding: 1.5rem 1.25rem; } }

.auth-title { font-size: 1.35rem; font-weight: 600; margin-bottom: .35rem; }
.auth-subtitle { margin-bottom: 1.5rem; color: var(--bs-secondary-color); font-size: .9rem; }
.auth-footnote { margin-top: 1rem; text-align: center; color: var(--bs-secondary-color); font-size: .85rem; }

.validation-summary-valid { display: none; }
.validation-summary-errors ul { margin: 0; padding: 0; list-style: none; }