:root {
  /* Mild green palette */
  --accent: #5fa472;
  --accent-2: #7bbf8a;
  --accent-soft: rgba(95, 164, 114, .16);
  --accent-glow: rgba(95, 164, 114, .35);

  --bg: #0c1410;
  --bg-2: #101a14;
  --surface: #142019;
  --surface-2: #1a281f;
  --surface-3: #223226;
  --border: #243228;
  --border-2: #344838;
  --text: #e8efe9;
  --text-2: #c8d3ca;
  --muted: #8a9a8d;
  --user: #2f6b48;
  --user-2: #234f36;
  --danger: #d97070;
  --warn: #d6a955;

  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bot: env(safe-area-inset-bottom, 0px);
  --shadow-1: 0 4px 14px rgba(0,0,0,.35);
  --shadow-2: 0 12px 36px rgba(0,0,0,.55);

  --wallpaper-dim: .55;
}

[data-theme="light"] {
  --bg: #f4f7f4;
  --bg-2: #ffffff;
  --surface: #ffffff;
  --surface-2: #eef3ef;
  --surface-3: #e1eae3;
  --border: #d8e2da;
  --border-2: #c2d0c5;
  --text: #16221a;
  --text-2: #2c3a30;
  --muted: #6f7c73;
  --user: #4f9268;
  --user-2: #3d7c54;
}

@media (prefers-color-scheme: light) {
  [data-theme="auto"] {
    --bg: #f4f7f4;
    --bg-2: #ffffff;
    --surface: #ffffff;
    --surface-2: #eef3ef;
    --surface-3: #e1eae3;
    --border: #d8e2da;
    --border-2: #c2d0c5;
    --text: #16221a;
    --text-2: #2c3a30;
    --muted: #6f7c73;
    --user: #4f9268;
    --user-2: #3d7c54;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior-y: contain;
  position: relative;
}
button { font-family: inherit; }

/* Wallpaper layers */
.wallpaper {
  position: fixed; inset: 0;
  z-index: -2;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: opacity .3s;
}
.wallpaper-overlay {
  position: fixed; inset: 0;
  z-index: -1;
  background: var(--bg);
  opacity: var(--wallpaper-dim);
  transition: opacity .2s;
}
body.has-wallpaper { background: transparent; }
body:not(.has-wallpaper) .wallpaper-overlay { opacity: 1; }

/* ---------------- Top bar ---------------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  padding: calc(8px + var(--safe-top)) 8px 8px;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
}
.title-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: transparent;
  border: none;
  color: var(--text);
  font-weight: 600;
  font-size: 15px;
  padding: 8px 10px;
  border-radius: 10px;
  cursor: pointer;
  max-width: 70%;
}
.title-btn:active { background: var(--surface-2); }
.title-btn svg { opacity: .7; flex-shrink: 0; }
.icon-btn {
  background: transparent;
  color: var(--text);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background .15s;
}
.icon-btn:active, .icon-btn:hover { background: var(--surface-2); }

/* ---------------- Chat area ---------------- */
.chat {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 16px 12px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--border-2) transparent;
}
.chat::-webkit-scrollbar { width: 6px; }
.chat::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 3px; }

.msg-row {
  display: flex;
  flex-direction: column;
  max-width: 100%;
  animation: fade-in .18s ease-out;
}
.msg-row.user { align-items: flex-end; }
.msg-row.assistant { align-items: flex-start; }
@keyframes fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.msg {
  max-width: 92%;
  padding: 10px 13px;
  border-radius: 16px;
  line-height: 1.5;
  font-size: 15px;
  word-wrap: break-word;
}
.msg.user {
  background: linear-gradient(180deg, var(--user) 0%, var(--user-2) 100%);
  color: #fff;
  border-bottom-right-radius: 4px;
  white-space: pre-wrap;
  box-shadow: var(--shadow-1);
}
.msg.assistant {
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.msg.assistant p:first-child { margin-top: 0; }
.msg.assistant p:last-child  { margin-bottom: 0; }
.msg.assistant p { margin: 0 0 10px; }
.msg.assistant h1, .msg.assistant h2, .msg.assistant h3 { margin: 14px 0 6px; line-height: 1.25; }
.msg.assistant h1 { font-size: 19px; }
.msg.assistant h2 { font-size: 17px; }
.msg.assistant h3 { font-size: 15px; }
.msg.assistant ul, .msg.assistant ol { margin: 6px 0 10px; padding-left: 22px; }
.msg.assistant li { margin: 2px 0; }
.msg.assistant blockquote {
  margin: 6px 0;
  padding: 4px 12px;
  border-left: 3px solid var(--accent);
  color: var(--text-2);
  background: var(--bg-2);
  border-radius: 6px;
}
.msg.assistant a { color: var(--accent-2); }

.msg.assistant code {
  background: var(--surface-2);
  padding: 1px 6px;
  border-radius: 5px;
  font-size: 13.5px;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}
.msg.assistant pre {
  position: relative;
  background: #07100a;
  border: 1px solid var(--border);
  padding: 30px 12px 12px;
  border-radius: 10px;
  overflow-x: auto;
  margin: 8px 0;
}
.msg.assistant pre code {
  background: transparent;
  padding: 0;
  font-size: 13px;
  color: #e3e9e5;
}
.msg.assistant pre::before {
  content: attr(data-lang);
  position: absolute;
  top: 6px; left: 12px;
  font-size: 11px;
  color: var(--muted);
  text-transform: lowercase;
  letter-spacing: .04em;
}
.msg.assistant pre .copy-code {
  position: absolute;
  top: 4px; right: 4px;
  background: var(--surface-2);
  color: var(--text-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 11px;
  padding: 3px 8px;
  cursor: pointer;
  opacity: .85;
}

.msg-actions {
  display: flex;
  gap: 6px;
  margin-top: 4px;
  opacity: .85;
}
.msg-actions button {
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 6px;
  cursor: pointer;
}
.msg-actions button:active { background: var(--surface-2); color: var(--text); }
.msg-actions button:hover  { color: var(--text); }

.msg.error {
  align-self: stretch;
  background: rgba(217, 112, 112, .14);
  border: 1px solid rgba(217, 112, 112, .45);
  color: #fbcaca;
  font-size: 13.5px;
  padding: 10px 12px;
  border-radius: 10px;
  white-space: pre-wrap;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  max-width: 100%;
}

/* Tech panel */
.tech-panel {
  align-self: stretch;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-top: 6px;
  overflow: hidden;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 12px;
}
.tech-panel summary {
  list-style: none;
  cursor: pointer;
  padding: 8px 12px;
  background: var(--surface);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.tech-panel summary::-webkit-details-marker { display: none; }
.tech-panel .tech-stats { display: flex; gap: 10px; flex-wrap: wrap; color: var(--muted); }
.tech-panel .tech-stats b { color: var(--text); font-weight: 600; }
.tech-panel .tech-body { padding: 8px 12px; }
.tech-panel h4 {
  margin: 6px 0 4px;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
}
.tech-panel pre {
  background: #07100a;
  border: 1px solid var(--border);
  padding: 8px 10px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 0 0 6px;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 240px;
  overflow-y: auto;
  color: #e3e9e5;
}
.tech-panel .copy-row { display: flex; gap: 6px; margin-bottom: 6px; }
.tech-panel .copy-row button {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 6px;
  cursor: pointer;
}

/* Scroll-to-bottom FAB */
.scroll-down {
  position: absolute;
  bottom: 76px;
  right: 14px;
  width: 36px;
  height: 36px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-1);
  cursor: pointer;
  z-index: 4;
  animation: fade-in .15s ease-out;
}

/* ---------------- Composer ---------------- */
.composer {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 8px 10px calc(8px + var(--safe-bot));
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border-top: 1px solid var(--border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
#input {
  flex: 1;
  resize: none;
  max-height: 40vh;
  min-height: 42px;
  padding: 11px 14px;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 22px;
  font-size: 16px;
  font-family: inherit;
  line-height: 1.4;
  outline: none;
  transition: border-color .15s, background .15s;
}
#input:focus { border-color: var(--accent); background: var(--bg-2); }
.send-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform .1s, background .15s, box-shadow .15s;
  box-shadow: 0 2px 10px var(--accent-glow);
}
.send-btn:active { transform: scale(.92); }
.send-btn:disabled { background: var(--surface-3); color: var(--muted); box-shadow: none; cursor: not-allowed; }
.send-btn .ic-stop { display: none; }
.send-btn.is-sending { background: var(--danger); box-shadow: 0 2px 10px rgba(217, 112, 112, .35); }
.send-btn.is-sending .ic-send { display: none; }
.send-btn.is-sending .ic-stop { display: block; }

/* ---------------- Drawer ---------------- */
.drawer {
  position: fixed;
  top: 0; left: 0;
  height: 100%;
  width: min(92vw, 420px);
  background: var(--bg);
  border-right: 1px solid var(--border);
  z-index: 30;
  transform: translateX(-100%);
  transition: transform .25s cubic-bezier(.2,.8,.2,1);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  box-shadow: var(--shadow-2);
}
.drawer.open { transform: translateX(0); }
.drawer-inner { padding: calc(12px + var(--safe-top)) 16px calc(20px + var(--safe-bot)); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; margin: 0 0 10px; }
.drawer h2 { margin: 0; font-size: 18px; }
.drawer h3 { margin: 14px 0 8px; font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.scrim { position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 20; animation: fade-in .15s ease-out; }

/* Tabs */
.tabs {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  margin: 0 -16px 12px;
  padding: 0 16px 6px;
  border-bottom: 1px solid var(--border);
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  flex-shrink: 0;
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
}
.tab.active { color: var(--text); background: var(--accent-soft); }
.tab-pane { display: none; animation: fade-in .15s ease-out; }
.tab-pane.active { display: block; }

/* Form fields */
.field { display: block; margin-bottom: 14px; }
.field > span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field input[type="text"],
.field input[type="url"],
.field input[type="password"],
.field input[type="number"],
.field input[type="color"],
.field select,
.field textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 16px;
  font-family: inherit;
  outline: none;
  transition: border-color .15s;
}
.field input[type="color"] { height: 44px; padding: 4px; cursor: pointer; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); }
.field input[type="range"] { width: 100%; accent-color: var(--accent); }
.field small { display: block; color: var(--muted); margin-top: 4px; font-size: 11px; line-height: 1.4; }
.field small code { font-family: ui-monospace, monospace; font-size: 11px; }
.field.checkbox { display: flex; align-items: center; gap: 10px; }
.field.checkbox > span { margin: 0; color: var(--text); font-size: 14px; }
.field.checkbox input { width: 18px; height: 18px; accent-color: var(--accent); }

.row { display: flex; gap: 6px; }
.row input { flex: 1; }

button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 14px;
  cursor: pointer;
}
button.primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 10px 16px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  flex: 1;
}
button.primary:disabled { background: var(--surface-3); color: var(--muted); cursor: not-allowed; }
button.danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid color-mix(in srgb, var(--danger) 60%, transparent);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 14px;
  cursor: pointer;
}
.actions { display: flex; gap: 8px; margin-top: 6px; flex-wrap: wrap; }
.actions.footer-actions { margin-top: 16px; }
hr { border: none; border-top: 1px solid var(--border); margin: 16px 0; }
.hint { color: var(--muted); font-size: 13px; line-height: 1.45; margin: 0 0 12px; }

/* Connection status */
.conn-status {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 13px;
  border: 1px solid var(--border);
  background: var(--surface);
}
.conn-status.ok { border-color: var(--accent); background: var(--accent-soft); color: var(--text); }
.conn-status.fail { border-color: color-mix(in srgb, var(--danger) 60%, transparent); background: rgba(217,112,112,.12); color: #fbcaca; }

/* Model list / Token list */
.model-list, .token-list, .chat-list { list-style: none; padding: 0; margin: 0; }
.model-list li, .token-list li, .chat-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 6px;
}
.model-list .info, .token-list .info, .chat-list .info { flex: 1; min-width: 0; }
.model-list .info .name, .token-list .info .name, .chat-list .info .name {
  font-size: 14px; font-weight: 500;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.model-list .info .id,
.token-list .info .sub {
  font-size: 11px; color: var(--muted);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-family: ui-monospace, monospace;
}
.model-list .row-actions, .token-list .row-actions { display: flex; gap: 4px; }
.row-actions button {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px 8px;
  font-size: 12px;
  cursor: pointer;
}
.row-actions button:active { background: var(--surface-2); color: var(--text); }
.row-actions button.del { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 50%, transparent); }
.token-list .badge {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-left: 6px;
}
.token-list .badge.active { background: var(--accent-soft); color: var(--accent-2); }
.token-list .badge.revoked { background: rgba(217,112,112,.15); color: var(--danger); }

.chat-list li.active { border-color: var(--accent); background: var(--accent-soft); }
.chat-list .meta { font-size: 11px; color: var(--muted); margin-left: 8px; }

/* ---------------- Modal ---------------- */
.modal {
  position: fixed; inset: 0;
  z-index: 50;
  background: rgba(0,0,0,.6);
  display: grid;
  place-items: center;
  padding: 16px;
  animation: fade-in .15s ease-out;
}
.modal[hidden], .scrim[hidden], #scrollDownBtn[hidden], #toast[hidden],
#modeDirect[hidden], #modeCloud[hidden], #modeLocal[hidden],
#connStatus[hidden], #adminStatus[hidden] { display: none !important; }
.modal-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  max-width: 420px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-2);
}
.modal-card h3 { margin: 0 0 12px; font-size: 16px; }

/* Wallpaper preview */
.wallpaper-preview {
  width: 100%;
  height: 120px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface) center/cover no-repeat;
  margin-bottom: 8px;
}

/* Typing indicator */
.typing { display: inline-flex; gap: 5px; align-items: center; padding: 4px 0; }
.typing span {
  width: 7px; height: 7px; background: var(--muted);
  border-radius: 50%;
  animation: bounce 1.2s infinite ease-in-out;
}
.typing span:nth-child(2) { animation-delay: .15s; }
.typing span:nth-child(3) { animation-delay: .30s; }
@keyframes bounce {
  0%, 80%, 100% { transform: scale(.6); opacity: .5; }
  40% { transform: scale(1); opacity: 1; }
}

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(80px + var(--safe-bot));
  transform: translateX(-50%);
  background: var(--surface);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 13px;
  z-index: 60;
  box-shadow: var(--shadow-2);
  animation: toast-in .2s ease-out;
}
@keyframes toast-in {
  from { opacity: 0; transform: translate(-50%, 8px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}

/* Empty state */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  text-align: center;
  color: var(--muted);
  padding: 32px 24px;
  gap: 6px;
}
.empty-state .logo {
  width: 72px; height: 72px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent), #3d7c54);
  display: grid; place-items: center;
  color: #fff;
  font-weight: 700;
  font-size: 24px;
  margin-bottom: 8px;
  box-shadow: var(--shadow-1);
  letter-spacing: .04em;
}
.empty-state h2 { color: var(--text); margin: 0; font-size: 18px; }
.empty-state p  { margin: 0; font-size: 14px; max-width: 280px; }
.suggestions {
  display: flex; flex-direction: column; gap: 6px;
  width: 100%; max-width: 320px; margin-top: 12px;
}
.suggestion {
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  text-align: left;
  font-size: 13px;
  color: var(--text-2);
  cursor: pointer;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.suggestion:active { background: var(--surface-2); }