:root {
  --bg: #070a0f;
  --bg-soft: #0b111a;
  --panel: rgba(17, 24, 39, 0.88);
  --panel-solid: #111827;
  --panel-strong: #182235;
  --line: rgba(148, 163, 184, 0.20);
  --line-strong: rgba(148, 163, 184, 0.34);
  --text: #edf2f7;
  --muted: #9aa8bc;
  --muted-2: #718096;
  --accent: #bfff4f;
  --accent-2: #6ee7f9;
  --danger: #fb7185;
  --ok: #34d399;
  --warn: #fbbf24;
  --button: #f8fafc;
  --button-text: #0f172a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(circle at 12% 0%, rgba(191, 255, 79, 0.14), transparent 27%),
    radial-gradient(circle at 88% 9%, rgba(110, 231, 249, 0.10), transparent 30%),
    linear-gradient(145deg, #05070b 0%, #0b111a 55%, #06080d 100%);
}

button, input, textarea, select { font: inherit; }
*, *::before, *::after { box-sizing: border-box; }
button { user-select: none; }

.app-shell {
  display: grid;
  grid-template-columns: 304px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px;
  border-right: 1px solid var(--line);
  background: rgba(7, 10, 15, 0.72);
  backdrop-filter: blur(18px);
}

.brand-card {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255,255,255,0.055), rgba(255,255,255,0.025));
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 17px;
  display: grid;
  place-items: center;
  font-size: 24px;
  font-weight: 950;
  color: #0a0f16;
  background: linear-gradient(135deg, var(--accent), #ffffff 62%, var(--accent-2));
  box-shadow: 0 12px 30px rgba(191,255,79,0.16);
}

.brand-name { font-weight: 900; letter-spacing: 0.2px; }
.brand-subtitle, .muted { color: var(--muted); }
.small, small { font-size: 12px; }

.language-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.lang-btn, .nav, button, .security-pill {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.lang-btn {
  padding: 9px 10px;
  color: var(--muted);
  background: rgba(15, 23, 42, 0.76);
  cursor: pointer;
  font-weight: 800;
}

.lang-btn.active {
  color: var(--button-text);
  background: var(--button);
}

.status-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
}

.status-header { display: flex; align-items: center; gap: 9px; }
.status-dot {
  width: 11px;
  height: 11px;
  border-radius: 99px;
  background: var(--warn);
  box-shadow: 0 0 18px rgba(251, 191, 36, 0.7);
}
.state-ok .status-dot { background: var(--ok); box-shadow: 0 0 18px rgba(52, 211, 153, 0.7); }
.state-error .status-dot { background: var(--danger); box-shadow: 0 0 18px rgba(251, 113, 133, 0.7); }
.status-title { font-weight: 850; }
.status-subtitle { margin-top: 6px; color: var(--muted); font-size: 12px; line-height: 1.35; }

.nav-list { display: grid; gap: 7px; }
.nav {
  appearance: none;
  display: grid;
  grid-template-columns: 24px 1fr;
  align-items: center;
  gap: 9px;
  width: 100%;
  padding: 12px 13px;
  text-align: left;
  background: transparent;
  color: #dbe7f3;
  cursor: pointer;
  font-weight: 780;
}
.nav span:first-child { color: var(--muted); text-align: center; }
.nav:hover { background: rgba(148, 163, 184, 0.08); }
.nav.active {
  background: linear-gradient(90deg, rgba(191,255,79,0.15), rgba(110,231,249,0.04));
  border-color: rgba(191,255,79,0.34);
  box-shadow: inset 3px 0 0 var(--accent);
}

.sidebar-footer { margin-top: auto; }
.mini-label { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.14em; }
.security-pill {
  display: inline-flex;
  margin-top: 7px;
  padding: 6px 10px;
  background: rgba(52, 211, 153, 0.10);
  border-color: rgba(52, 211, 153, 0.28);
  color: #bbf7d0;
  font-weight: 800;
}
.mini-copy { margin-top: 6px; color: var(--muted); font-size: 12px; }

.main { min-width: 0; padding: 24px; overflow: auto; }
.app-topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}
.eyebrow, .hero-kicker {
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.13em;
}
#viewTitle { margin: 4px 0 0; font-size: clamp(30px, 4vw, 46px); letter-spacing: -0.04em; }
.top-actions { display: flex; gap: 10px; }

.view { display: none; animation: enter 0.16s ease-out; }
.view.active { display: block; }
@keyframes enter { from { opacity: 0.75; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.banner {
  margin-bottom: 16px;
  padding: 13px 15px;
  border-radius: 16px;
  border: 1px solid rgba(251,113,133,0.42);
  background: rgba(127, 29, 29, 0.22);
  color: #fecdd3;
  line-height: 1.45;
}
.hidden { display: none !important; }

.hero-panel, .panel, .metric-card {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.hero-panel {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: 24px;
  padding: clamp(22px, 4vw, 34px);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(191,255,79,0.13), transparent 42%),
    linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.025));
}
.hero-panel h2 { margin: 8px 0 8px; font-size: clamp(30px, 4vw, 54px); line-height: 0.96; letter-spacing: -0.055em; max-width: 850px; }
.hero-panel p { max-width: 760px; margin: 0; color: var(--muted); line-height: 1.55; }
.hero-actions { display: flex; align-items: flex-end; gap: 10px; flex-wrap: wrap; }

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 16px 0;
}
.metric-card { padding: 16px; border-radius: var(--radius-md); }
.metric-label { display: block; color: var(--muted); font-size: 12px; margin-bottom: 10px; }
.metric-card strong { display: block; font-size: 21px; line-height: 1.1; }
.metric-card small { display: block; margin-top: 7px; color: var(--muted); }

.split-hero, .split, .chat-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.48fr);
  gap: 14px;
}
.panel { padding: 18px; border-radius: var(--radius-md); }
.panel h2, .section-header h2 { margin: 0 0 7px; font-size: 22px; letter-spacing: -0.02em; }
.panel p, .section-header p { margin: 0; color: var(--muted); line-height: 1.5; }

.checklist { display: grid; gap: 10px; }
.check-row {
  display: grid;
  grid-template-columns: 13px 1fr;
  gap: 12px;
  align-items: start;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.42);
}
.check-row > span { width: 11px; height: 11px; margin-top: 5px; border-radius: 50%; background: var(--warn); box-shadow: 0 0 14px rgba(251,191,36,0.6); }
.check-row.ok > span { background: var(--ok); box-shadow: 0 0 14px rgba(52,211,153,0.6); }
.check-row.error > span { background: var(--danger); box-shadow: 0 0 14px rgba(251,113,133,0.6); }
.check-row strong { display: block; }
.check-row small { display: block; color: var(--muted); margin-top: 3px; }

.quick-actions { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 16px;
}

button {
  border: 0;
  padding: 11px 15px;
  border-radius: 13px;
  cursor: pointer;
  font-weight: 900;
  transition: transform 0.11s ease, filter 0.11s ease, border-color 0.11s ease;
}
button:hover { transform: translateY(-1px); filter: brightness(1.04); }
button:active { transform: translateY(0); }
button:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }
button:focus-visible, .nav:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.primary { color: #061016; background: linear-gradient(135deg, var(--accent), #ffffff); }
.secondary { color: var(--text); background: rgba(148, 163, 184, 0.10); border: 1px solid var(--line); }

input:not([type="checkbox"]):not([type="radio"]), textarea, select {
  width: 100%;
  color: var(--text);
  background: rgba(3, 7, 18, 0.72);
  border: 1px solid var(--line-strong);
  border-radius: 13px;
  padding: 11px 12px;
  outline: none;
}
input[type="checkbox"], input[type="radio"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  margin: 2px 0 0;
  flex: 0 0 auto;
  accent-color: var(--accent);
}
input:focus, textarea:focus, select:focus { border-color: rgba(191,255,79,0.55); box-shadow: 0 0 0 3px rgba(191,255,79,0.09); }
textarea { resize: vertical; }

.chat-layout { grid-template-columns: minmax(0, 1fr) 320px; align-items: start; }
.chat-panel, .side-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.chat-panel { overflow: hidden; }
.chat-log {
  height: calc(100vh - 285px);
  min-height: 420px;
  padding: 20px;
  overflow: auto;
  background: rgba(2, 6, 23, 0.35);
}
.msg { display: flex; margin: 12px 0; }
.msg.user { justify-content: flex-end; }
.bubble {
  max-width: min(820px, 84%);
  padding: 13px 15px;
  border-radius: 17px;
  line-height: 1.52;
  white-space: pre-wrap;
  word-break: break-word;
}
.user .bubble { color: #ffffff; background: linear-gradient(135deg, #2558a8, #1d4ed8); border-bottom-right-radius: 6px; }
.assistant .bubble { background: rgba(24, 34, 53, 0.96); border: 1px solid var(--line); border-bottom-left-radius: 6px; }
.system .bubble { background: rgba(191,255,79,0.09); border: 1px solid rgba(191,255,79,0.24); color: #eaffb3; }

.composer-card { padding: 14px; border-top: 1px solid var(--line); }
.composer-card textarea { min-height: 96px; }
.composer-actions { display: grid; grid-template-columns: minmax(150px, 1fr) auto auto; gap: 10px; align-items: end; margin-top: 10px; }
.select-label { display: grid; gap: 5px; color: var(--muted); font-size: 12px; }

.side-panel { padding: 18px; position: sticky; top: 24px; }
.side-panel h2 { margin: 0 0 8px; }
.side-panel p { color: var(--muted); line-height: 1.45; }
.chip-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.chip, .pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 9px;
  color: #dbe7f3;
  background: rgba(15, 23, 42, 0.68);
  font-size: 12px;
  font-weight: 760;
}
.chip.recommended { border-color: rgba(191,255,79,0.44); color: #eaff99; }
.hint-box { display: grid; gap: 5px; margin-top: 16px; padding: 13px; border: 1px solid rgba(110,231,249,0.22); border-radius: 16px; background: rgba(110,231,249,0.075); }
.hint-box span { color: var(--muted); line-height: 1.4; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(265px, 1fr)); gap: 14px; margin-bottom: 16px; }
.model-card { position: relative; min-height: 220px; }
.model-card.recommended { border-color: rgba(191,255,79,0.45); }
.recommended-badge { position: absolute; right: 14px; top: 14px; color: #eaff99; border: 1px solid rgba(191,255,79,0.36); border-radius: 999px; padding: 4px 8px; font-size: 11px; font-weight: 900; background: rgba(191,255,79,0.08); }
.model-title { padding-right: 112px; }
.model-card .desc { min-height: 42px; color: var(--muted); }
.model-meta { display: flex; flex-wrap: wrap; gap: 7px; margin: 12px 0; }
.progress-track { height: 7px; border-radius: 999px; overflow: hidden; background: rgba(148,163,184,0.14); margin: 14px 0 8px; }
.progress-bar { height: 100%; width: 60%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: inherit; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr auto; gap: 10px; }
.doc-textarea { min-height: 220px; margin: 10px 0; }
.doc-list { display: grid; gap: 9px; }
.doc-item { padding: 13px; border: 1px solid var(--line); border-radius: 14px; background: rgba(15,23,42,0.44); }
.settings-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.55fr);
  gap: 14px;
  align-items: start;
}
.settings-panel { min-height: 0; }
.option-stack { display: grid; gap: 10px; margin: 16px 0; }
.option-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.42);
  cursor: pointer;
}
.option-card:hover { border-color: rgba(191,255,79,0.30); background: rgba(15, 23, 42, 0.62); }
.option-copy { display: grid; gap: 4px; min-width: 0; }
.option-copy strong { display: block; color: var(--text); }
.option-copy small { display: block; color: var(--muted); line-height: 1.35; }
.settings-actions { display: flex; gap: 10px; align-items: center; margin-bottom: 12px; }
.feature-list { display: grid; gap: 8px; margin-top: 16px; }
.feature-row { display: flex; justify-content: space-between; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--line); align-items: center; }
.feature-row span:first-child { color: var(--muted); word-break: break-word; }

.chat-workspace {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 300px;
  gap: 14px;
  align-items: start;
}
.thread-panel {
  min-height: calc(100vh - 150px);
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.thread-header, .chat-thread-bar, .button-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.thread-header h2 { margin: 0; }
.thread-list { display: grid; gap: 8px; margin-top: 12px; max-height: calc(100vh - 260px); overflow: auto; }
.thread-item {
  width: 100%;
  display: grid;
  gap: 4px;
  padding: 11px;
  text-align: left;
  color: var(--text);
  background: rgba(15, 23, 42, 0.42);
  border: 1px solid var(--line);
}
.thread-item.active { border-color: rgba(191,255,79,0.45); background: rgba(191,255,79,0.08); }
.thread-item small { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat-thread-bar { padding: 12px 14px; border-bottom: 1px solid var(--line); }
.compact { padding: 7px 10px; font-size: 12px; }
.danger-button { color: #fecdd3; border-color: rgba(251,113,133,0.34); }
.image-preview { width: 100%; max-height: 420px; object-fit: contain; margin: 12px 0; border: 1px solid var(--line); border-radius: 14px; background: #020617; }
.audio-player { width: 100%; margin: 14px 0; }
.qr-panel { display: grid; place-items: center; min-height: 280px; background: #ffffff; }
.qr-panel svg { width: min(280px, 100%); height: auto; }
.compact-stack { margin: 12px 0; }
.compact-stack .option-card { padding: 10px 12px; }
.field-card .field-steps { padding-left: 20px; color: var(--muted); line-height: 1.5; }
.field-card .warning-list { color: #fbbf24; }
.availability-on { color: #bbf7d0; border-color: rgba(52,211,153,0.35); }
.availability-off { color: #fecdd3; border-color: rgba(251,113,133,0.35); }
.security-pill.availability-off { background: rgba(251, 113, 133, 0.10); }
.license-install { display: grid; gap: 10px; margin: 16px 0 12px; }

.eula-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(2, 6, 23, 0.82);
  backdrop-filter: blur(8px);
}
.eula-modal {
  width: min(720px, 100%);
  max-height: min(82vh, 760px);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.eula-modal h2 { margin: 0; }
.eula-text {
  flex: 1;
  min-height: 200px;
  overflow: auto;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(2, 6, 23, 0.55);
  color: var(--text);
  white-space: pre-wrap;
  line-height: 1.55;
  font-size: 13px;
}
.eula-actions { display: flex; justify-content: flex-end; }

.terminal, pre {
  color: #dbe7f3;
  background: rgba(2, 6, 23, 0.72);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
  white-space: pre-wrap;
  overflow: auto;
  line-height: 1.45;
}
.small-terminal { min-height: 60px; max-height: 220px; }
code { color: #eaff99; }

@media (max-width: 1120px) {
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .chat-layout, .chat-workspace, .split-hero, .split, .settings-grid { grid-template-columns: 1fr; }
  .side-panel { position: static; }
  .thread-panel { min-height: auto; }
  .thread-list { max-height: 240px; }
}

@media (max-width: 820px) {
  .app-shell { display: block; }
  .sidebar { position: relative; height: auto; }
  .main { padding: 16px; }
  .app-topbar, .hero-panel, .section-header { display: block; }
  .top-actions, .hero-actions { margin-top: 12px; }
  .composer-actions, .form-grid { grid-template-columns: 1fr; }
  .chat-log { height: 420px; min-height: 320px; }
  .metric-grid { grid-template-columns: 1fr; }
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f7fb;
    --bg-soft: #ffffff;
    --panel: rgba(255, 255, 255, 0.90);
    --panel-solid: #ffffff;
    --panel-strong: #eef2f7;
    --line: rgba(15, 23, 42, 0.13);
    --line-strong: rgba(15, 23, 42, 0.22);
    --text: #111827;
    --muted: #64748b;
    --muted-2: #7b8797;
    --button: #111827;
    --button-text: #ffffff;
    --shadow: 0 24px 70px rgba(15, 23, 42, 0.10);
  }
  body { background: linear-gradient(145deg, #f7fafc, #eef4ff 60%, #f8fafc); }
  .sidebar { background: rgba(255,255,255,0.76); }
  input:not([type="checkbox"]):not([type="radio"]), textarea, select, .terminal, pre, .eula-text { background: rgba(255,255,255,0.86); color: var(--text); }
  .assistant .bubble { background: #f1f5f9; }
  .system .bubble { color: #3f4d08; }
  .security-pill { color: #065f46; }
  .nav { color: #1f2937; }
}