:root {
    --ink: #152033;
    --muted: #5a6b80;
    --line: #d5dee8;
    --paper: #eef2f7;
    --white: #ffffff;
    --navy: #00447a;
    --navy-deep: #1d3d57;
    --blue: #00447a;
    --sky: #e8f1fa;
    --accent: #e6007e;
    --ok: #1b7a4a;
    --ok-bg: #e8f6ee;
    --warn: #c05612;
    --warn-bg: #fff1e6;
    --err: #c02643;
    --err-bg: #fde8ee;
    --shadow: 0 8px 24px rgba(15, 47, 91, 0.08);
    --radius: 12px;
    --sans: "Assistant", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html {
    margin: 0;
    height: 100%;
    color-scheme: light;
    scroll-padding-top: calc(72px + env(safe-area-inset-top, 0px));
}
body { margin: 0; height: 100%; }
body {
    font-family: var(--sans);
    color: var(--ink);
    background: var(--paper);
    font-size: 16px;
    line-height: 1.55;
    touch-action: manipulation;
    -webkit-tap-highlight-color: rgba(0, 68, 122, 0.12);
}
button, input, textarea, select { font: inherit; color: inherit; }
a { color: var(--blue); }

.skip-link {
    position: absolute;
    inset-inline-start: 12px;
    top: -40px;
    z-index: 100;
    background: var(--navy);
    color: #fff;
    padding: 8px 12px;
    border-radius: 8px;
}
.skip-link:focus {
    top: 12px;
}
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
.live-status {
    position: fixed;
    inset-inline-start: 16px;
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    z-index: 90;
    max-width: min(420px, calc(100vw - 32px));
    padding: 10px 14px;
    background: var(--navy);
    color: #fff;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transform: translateY(120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.2s ease, opacity 0.2s ease;
}
.live-status.show {
    transform: translateY(0);
    opacity: 1;
}

.auth-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 32px 16px;
    background:
        radial-gradient(circle at 88% 8%, #cfe0f5 0, transparent 36%),
        linear-gradient(180deg, #f7f9fc 0%, var(--paper) 100%);
}
.auth-layout {
    width: min(920px, 100%);
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    background: var(--white);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(15, 47, 91, 0.14);
}
.auth-brand {
    background: linear-gradient(180deg, #ffffff 0%, #f4f8fc 100%);
    color: var(--navy);
    padding: 48px 40px;
}
.auth-brand h1, .auth-card h1, .auth-card h2, .chat-head h1, .panel h1, .panel h2 {
    font-weight: 700;
    letter-spacing: -0.02em;
    text-wrap: pretty;
}
.auth-brand h1, .auth-card h1, .auth-card h2 {
    margin: 8px 0 12px;
}
.auth-brand p { color: var(--muted); max-width: 34ch; }
.auth-card { padding: 40px; }
.auth-body > .auth-card {
    width: min(520px, 100%);
    background: var(--white);
    border-radius: 18px;
    box-shadow: 0 24px 60px rgba(15, 47, 91, 0.14);
}
.auth-card form { display: grid; gap: 14px; margin-top: 16px; }
label { display: grid; gap: 6px; font-weight: 600; font-size: 14px; }
input, textarea, select {
    background: var(--white);
    border: 1px solid var(--line);
    padding: 10px 12px;
    border-radius: 8px;
}
input:focus-visible, textarea:focus-visible, select:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 1px;
    border-color: var(--blue);
}
.hint { margin-top: 22px; color: var(--muted); font-size: 14px; }
.hint ul { padding: 0 18px; }
code { font-size: 13px; background: var(--sky); padding: 1px 5px; border-radius: 4px; }
.lead { color: var(--muted); }

.eyebrow {
    letter-spacing: 0.06em;
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    margin: 0;
}
.auth-brand .eyebrow { color: var(--accent); }

.org-logo {
    display: block;
    height: 44px;
    width: auto;
}
.org-logo.lg {
    height: 72px;
    margin-bottom: 22px;
}
.brand-sep {
    width: 1px;
    height: 36px;
    background: var(--line);
    flex-shrink: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid transparent;
    padding: 10px 16px;
    cursor: pointer;
    background: transparent;
    font-weight: 700;
    border-radius: 8px;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--navy-deep); color: #fff; }
.btn-ghost { border-color: var(--line); background: var(--white); color: var(--ink); }
.btn-ghost:hover { background: var(--sky); }
.btn-warn { background: var(--warn); color: #fff; border-color: var(--warn); }
.btn-warn:hover { background: #9a430c; color: #fff; }
.btn-ok { background: var(--ok); color: #fff; border-color: var(--ok); }
.btn-ok:hover { background: #14633c; color: #fff; }
.btn-danger { background: var(--err); color: #fff; }
.btn:focus-visible, .top-nav button:focus-visible, .conv-item:focus-visible, .queue-card:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 2px;
}
.btn[disabled] { opacity: 0.55; cursor: not-allowed; }

.alert { padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; }
.alert-error { background: var(--err-bg); border-color: #e7b3c0; color: var(--err); }

.app-body { height: 100vh; height: 100dvh; display: flex; flex-direction: column; overflow: hidden; }
.topbar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: env(safe-area-inset-top, 0px) max(20px, env(safe-area-inset-inline-end, 0px)) 0 max(20px, env(safe-area-inset-inline-start, 0px));
    min-height: calc(72px + env(safe-area-inset-top, 0px));
    background: var(--white);
    color: var(--navy);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 1px 0 rgba(0, 68, 122, 0.06);
    flex-shrink: 0;
}
.menu-toggle { display: none; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand span { display: block; color: var(--muted); font-size: 12px; }
.top-nav { display: flex; gap: 4px; flex: 1; }
.top-nav button {
    display: inline-flex;
    align-items: center;
    background: transparent;
    border: 0;
    color: var(--muted);
    padding: 8px 12px;
    cursor: pointer;
    font-weight: 600;
    border-radius: 8px;
}
.top-nav button.active, .top-nav button:hover { color: var(--navy); background: var(--sky); }
.who { display: flex; align-items: center; gap: 14px; font-size: 14px; }
.who small { display: block; color: var(--muted); }
.who a { color: var(--blue); text-decoration: none; font-weight: 700; }
.who a:hover { color: var(--navy-deep); }

.shell { display: grid; grid-template-columns: 280px 1fr; flex: 1; min-height: 0; }
.sidebar {
    background: var(--white);
    border-left: 1px solid var(--line);
    padding: 16px;
    overflow: auto;
}
.view {
    padding: 20px 24px 24px;
    overflow: auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
}
.side-title { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; gap: 8px; }
.side-title h2 { font-size: 13px; margin: 0; letter-spacing: 0.04em; font-weight: 700; color: var(--muted); }
.side-actions { display: flex; gap: 6px; flex-shrink: 0; }
.side-actions .btn { padding: 6px 10px; font-size: 13px; }
.conv-list { display: grid; gap: 4px; }
.conv-item {
    text-align: right;
    border: 0;
    background: transparent;
    padding: 10px 10px;
    cursor: pointer;
    width: 100%;
    border-radius: 8px;
    min-width: 0;
}
.conv-item:hover, .conv-item.active { background: var(--sky); }
.conv-item.active { box-shadow: inset 3px 0 0 var(--blue); }
.conv-item strong {
    display: block;
    font-size: 14px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.conv-item span { color: var(--muted); font-size: 12px; }
.conv-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 2px;
}
.conv-item.has-bad {
    border: 1px solid #f0c4cf;
    background: #fff8fa;
}
.conv-item.has-bad.active {
    background: #fff1f5;
}
.conv-bad {
    font-size: 11px;
    padding: 1px 7px;
}

.chat {
    display: grid;
    grid-template-rows: auto 1fr auto;
    flex: 1 1 auto;
    min-height: 0;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}
.chat-head { padding: 16px 18px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; background: #fbfcfe; }
.chat-head h1 { font-size: 22px; margin: 0; color: var(--navy); }
.chat-head p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.msgs { overflow: auto; padding: 18px; display: flex; flex-direction: column; gap: 12px; background: linear-gradient(180deg, #f7f9fc 0%, #fff 120px); }
.msg {
    max-width: 760px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    background: var(--white);
    border-radius: 14px;
    box-shadow: 0 1px 2px rgba(15, 47, 91, 0.04);
}
.msg.user { align-self: flex-start; background: var(--sky); border-color: #c5d8ee; }
.msg.assistant { align-self: stretch; }
.msg.system { align-self: stretch; background: var(--warn-bg); border-color: #f0d0b0; color: #7a4310; font-size: 14px; }
.msg .meta-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.chip {
    font-size: 12px;
    font-weight: 700;
    padding: 2px 8px;
    border: 1px solid var(--line);
    color: var(--muted);
    border-radius: 99px;
    background: #f7f9fc;
}
.chip.high { color: var(--ok); border-color: #b7d7c6; background: var(--ok-bg); }
.chip.medium { color: var(--warn); border-color: #ecc9a8; background: var(--warn-bg); }
.chip.low { color: var(--err); border-color: #e7b3c0; background: var(--err-bg); }
.answer { white-space: pre-wrap; overflow-wrap: anywhere; }
.related { margin-top: 12px; display: grid; gap: 6px; }
.related .suggest, .suggest {
    text-align: right;
    background: var(--paper);
    border: 1px solid var(--line);
    padding: 8px 10px;
    cursor: pointer;
    border-radius: 8px;
}
.vote-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}
.vote-row .btn,
.related button.btn-warn {
    background: var(--warn);
    color: #fff;
    border: 1px solid var(--warn);
    justify-self: start;
    min-width: 160px;
}
.vote-row .btn-ok {
    background: var(--ok);
    color: #fff;
    border-color: var(--ok);
}
.vote-row .btn-ghost {
    background: var(--white);
    color: var(--ink);
    border-color: var(--line);
}
.msg.thinking-msg {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--muted);
    font-weight: 700;
}
.composer-wrap {
    border-top: 1px solid var(--line);
    background: #f4f7fb;
    padding-bottom: env(safe-area-inset-bottom, 0px);
}
.composer-field {
    min-width: 0;
    width: 100%;
}
.composer {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    padding: 12px;
    align-items: end;
}
.composer textarea {
    display: block;
    width: 100%;
    min-height: 72px;
    resize: vertical;
}
.composer-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.composer-actions .btn { min-width: 132px; }
#mic-btn.recording {
    background: var(--err);
    color: #fff;
    border-color: var(--err);
}
.composer-hint {
    margin: 0;
    padding: 8px 12px 10px;
    color: var(--muted);
    font-size: 13px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 16px;
    flex-shrink: 0;
}
.stat {
    background: var(--white);
    border: 1px solid var(--line);
    padding: 14px 16px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border-inline-start: 3px solid var(--blue);
}
.stat b {
    display: block;
    font-size: 28px;
    color: var(--navy);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}
.stat span { color: var(--muted); font-size: 13px; }

.panel { background: var(--white); border: 1px solid var(--line); padding: 16px; border-radius: var(--radius); box-shadow: var(--shadow); }
.panel h1, .panel h2 { margin-top: 0; color: var(--navy); }
.grid-cards { display: grid; gap: 10px; }
.card {
    border: 1px solid var(--line);
    padding: 14px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: 0 1px 2px rgba(15, 47, 91, 0.04);
}
.card header { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.muted { color: var(--muted); }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar input, .toolbar select { min-width: 180px; }
.kb-item { content-visibility: auto; contain-intrinsic-size: 0 240px; }
.queue-card {
    width: 100%;
    text-align: right;
    cursor: pointer;
    font: inherit;
    color: inherit;
    appearance: none;
    -webkit-appearance: none;
}
.queue-card.active { border-color: var(--blue); box-shadow: inset 3px 0 0 var(--blue); }
.form-grid { display: grid; gap: 10px; }
.form-grid.two { grid-template-columns: 1fr 1fr; }
.empty { color: var(--muted); padding: 28px 8px; text-align: center; }
.queue-layout { display: grid; grid-template-columns: 1fr 1.1fr; gap: 16px; align-items: start; }
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.25rem;
    background: var(--accent);
    color: #fff;
    border-radius: 99px;
    padding: 0 7px;
    font-size: 12px;
    font-weight: 700;
    margin-inline-start: 8px;
    line-height: 1.4;
}
.table-wrap {
    overflow: auto;
    margin: 12px 0 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--white);
}
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.data-table th,
.data-table td {
    padding: 10px 12px;
    text-align: right;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}
.data-table th {
    background: #f4f7fb;
    color: var(--navy);
    font-weight: 700;
}
.data-table tr:last-child td { border-bottom: 0; }
.quality-panel h2 {
    margin: 20px 0 10px;
    color: var(--navy);
    font-size: 18px;
}

.thinking-spin {
    width: 20px;
    height: 20px;
    border: 2px solid var(--line);
    border-top-color: var(--blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    flex: 0 0 auto;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
@media (prefers-reduced-motion: reduce) {
    .thinking-spin { animation: none; border-top-color: var(--line); }
    .live-status { transition: none; }
    .btn { transition: none; }
}

.nav-backdrop {
    display: none;
}

@media (max-width: 900px) {
    .auth-layout, .shell, .queue-layout, .stats, .form-grid.two { grid-template-columns: 1fr; }
    .menu-toggle { display: inline-flex; flex-shrink: 0; }
    .sidebar {
        display: none;
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: min(320px, 88vw);
        z-index: 70;
        padding-top: calc(16px + env(safe-area-inset-top, 0px));
        box-shadow: var(--shadow);
    }
    .sidebar.show-mobile { display: block; }
    .nav-backdrop.show {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(10, 34, 68, 0.42);
        z-index: 65;
        overscroll-behavior: contain;
    }
    .org-logo { height: 34px; width: auto; }
    .brand-sep, .brand-text { display: none; }
    .chat { height: auto; min-height: 70vh; }
}