/* styles.css: Qrox, pure black with motion */
:root {
  --bg: #000;
  --panel: #0a0a0a;
  --panel-2: #111;
  --line: #161616;
  --line-2: #262626;
  --text: #f4f4f4;
  --muted: #8b8b8b;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

button, input, select, textarea { font: inherit; color: inherit; }

button {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  transition: transform 0.12s var(--ease), background-color 0.15s, color 0.15s, opacity 0.15s, border-color 0.15s;
}
button:active:not(:disabled) { transform: scale(0.94); }
button:disabled { cursor: default; }
button:focus-visible, textarea:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}
svg { flex-shrink: 0; }
.hidden { display: none !important; }
.muted { color: var(--muted); margin: 0; }
.grow, .spacer { flex: 1; }

/* ---------- Animations ---------- */
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes pop { from { opacity: 0; transform: scale(0.85); } to { opacity: 1; transform: none; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes starPop {
  0% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  55% { transform: translate(-50%, -50%) scale(2.8); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(3.4); opacity: 0; }
}
@keyframes sparkOut {
  from { transform: translate(0, 0) scale(1); opacity: 1; }
  to { transform: translate(var(--dx), var(--dy)) scale(0.2); opacity: 0; }
}

/* ---------- Sidebar ---------- */
.app { display: flex; height: 100vh; height: 100dvh; }

.sidebar {
  width: 272px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: #000;
  border-right: 1px solid var(--line);
  overflow: hidden;
  transition: width 0.25s var(--ease), border-color 0.25s;
}
.app.collapsed .sidebar { width: 0; border-right-color: transparent; }

.side-top { display: flex; align-items: center; justify-content: space-between; padding: 14px 14px 8px 18px; }
.side-brand { display: flex; align-items: center; gap: 9px; font-size: 17px; font-weight: 650; letter-spacing: -0.3px; white-space: nowrap; }
.side-brand img { width: 24px; height: 24px; }
.side-top-actions { display: flex; gap: 2px; }

.side-nav { display: flex; flex-direction: column; gap: 2px; padding: 0 8px; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  height: 42px;
  padding: 0 12px;
  border-radius: 12px;
  font-size: 15px;
  text-align: left;
  color: #e8e8e8;
  white-space: nowrap;
}
.nav-item svg { width: 20px; height: 20px; color: #bdbdbd; transition: transform 0.25s var(--ease), color 0.2s; }
.nav-item:hover { background: var(--panel-2); }
.nav-item:hover svg { transform: translateX(2px); color: #fff; }

.side-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 18px 6px;
  font-size: 13px;
  color: var(--muted);
}
.tiny {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  font-size: 18px;
  line-height: 1;
  color: #bbb;
}
.tiny:hover { background: var(--panel-2); color: #fff; }

.workspace-list { display: flex; flex-direction: column; gap: 2px; padding: 0 8px; }
.workspace {
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 14px;
  text-align: left;
  color: #cfcfcf;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.workspace:hover { background: #0c0c0c; }
.workspace.active { background: var(--panel-2); color: #fff; }

.sidebar .search-input { margin: 0 12px 8px; width: calc(100% - 24px); }

.search-input {
  padding: 9px 12px;
  font-size: 14px;
  color: var(--text);
  background: #0c0c0c;
  border: 1px solid var(--line);
  border-radius: 10px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.search-input::placeholder { color: #666; }
.search-input:focus { border-color: #3a3a3a; box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05); }

.chat-list { flex: 1; min-height: 0; overflow-y: auto; display: flex; flex-direction: column; gap: 2px; padding: 0 8px 12px; }
.empty-list { margin: 0; padding: 8px 12px; font-size: 13px; color: var(--muted); }

.chat-row { display: flex; align-items: center; border-radius: 10px; transition: background-color 0.15s; }
.chat-row:hover, .chat-row.active { background: var(--panel-2); }
.chat-open {
  flex: 1;
  min-width: 0;
  display: block;
  padding: 8px 12px;
  text-align: left;
  font-size: 14px;
  color: #cfcfcf;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chat-row.active .chat-open { color: #fff; }
.chat-action {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  color: var(--muted);
  opacity: 0;
}
.chat-action svg { width: 15px; height: 15px; }
.chat-action:hover { color: #fff; background: #1c1c1c; }
.chat-row:hover .chat-action, .chat-row.active .chat-action { opacity: 1; }

.scrim { display: none; }

/* ---------- Top bar and buttons ---------- */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; position: relative; background: #000; }

.topbar { display: flex; align-items: center; gap: 4px; padding: 10px 14px; min-height: 56px; }

.icon-btn {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: #cfcfcf;
  font-size: 22px;
  line-height: 1;
}
.icon-btn svg { width: 20px; height: 20px; }
.icon-btn:hover { background: var(--panel-2); color: #fff; }

.ghost, .primary, .danger {
  height: 36px;
  padding: 0 14px;
  border-radius: 10px;
  font-size: 14px;
  border: 1px solid var(--line-2);
  color: #ddd;
}
.ghost:hover { background: var(--panel-2); color: #fff; }
.primary { background: #fff; color: #000; border-color: #fff; font-weight: 550; }
.primary:hover { background: #e8e8e8; }
.danger { color: #ff7676; border-color: #3a1616; }
.danger:hover { background: #180a0a; }

/* ---------- Messages ---------- */
.messages { flex: 1; overflow-y: auto; display: flex; flex-direction: column; padding: 16px 16px 24px; }

.thread {
  width: 100%;
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 28px;
  flex-shrink: 0;
}
.thread.is-empty { margin: auto; }

.turn { position: relative; display: flex; flex-direction: column; gap: 6px; }
.turn.user { align-items: flex-end; }
.turn.enter { animation: rise 0.45s var(--ease) both; }

.msg.user {
  max-width: 82%;
  padding: 11px 16px;
  background: #151515;
  border-radius: 22px;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-size: 15.5px;
}
.msg-files { margin-top: 6px; font-size: 12.5px; color: var(--muted); white-space: normal; }

.msg.assistant { width: 100%; min-width: 0; word-wrap: break-word; font-size: 15.5px; line-height: 1.72; color: #ececec; }
.msg.assistant p { margin: 0 0 12px; }
.msg.assistant p:last-child { margin-bottom: 0; }
.msg.assistant h1, .msg.assistant h2, .msg.assistant h3 { font-weight: 600; line-height: 1.3; margin: 18px 0 10px; color: #fff; }
.msg.assistant h1 { font-size: 22px; }
.msg.assistant h2 { font-size: 19px; }
.msg.assistant h3 { font-size: 16px; }
.msg.assistant ul, .msg.assistant ol { padding-left: 22px; margin: 0 0 12px; }
.msg.assistant li + li { margin-top: 4px; }
.msg.assistant a { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.msg.assistant blockquote { margin: 0 0 12px; padding-left: 14px; border-left: 3px solid var(--line-2); color: #bdbdbd; }
.msg.assistant pre {
  position: relative;
  margin: 0 0 12px;
  padding: 16px 14px 14px;
  background: #070707;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.55;
}
.msg.assistant code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13.5px; }
.msg.assistant :not(pre) > code { background: #141414; border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; }
.msg.assistant table { display: block; overflow-x: auto; border-collapse: collapse; margin: 0 0 12px; }
.msg.assistant th, .msg.assistant td { border: 1px solid var(--line-2); padding: 6px 10px; text-align: left; }
.msg.assistant hr { border: 0; border-top: 1px solid var(--line); margin: 18px 0; }

.code-tools {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  gap: 6px;
  opacity: 0;
  transition: opacity 0.15s;
}
.msg.assistant pre:hover .code-tools, .msg.assistant pre:focus-within .code-tools { opacity: 1; }
.code-tools button {
  padding: 3px 10px;
  font-size: 12px;
  color: #d4d4d4;
  background: #161616;
  border: 1px solid var(--line-2);
  border-radius: 7px;
}
.code-tools button:hover { background: #222; color: #fff; }
.code-tools .run { background: #fff; color: #000; border-color: #fff; }
.code-tools .run:hover { background: #e4e4e4; color: #000; }
@media (hover: none) { .code-tools { opacity: 1; } }

/* ---------- Actions and follow-ups ---------- */
.actions { display: flex; gap: 2px; opacity: 0; transition: opacity 0.2s; }
.turn:hover .actions, .turn:focus-within .actions { opacity: 1; }
.action {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  color: var(--muted);
}
.action svg { width: 17px; height: 17px; }
.action:hover { background: var(--panel-2); color: #fff; }
.action.on { color: #fff; background: #1a1a1a; }
@media (hover: none) { .actions { opacity: 1; } }

.followups { display: flex; flex-direction: column; gap: 2px; margin-top: 10px; }
.followup {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 8px;
  text-align: left;
  font-size: 15px;
  color: #a9a9a9;
  border-radius: 10px;
  animation: rise 0.4s var(--ease) backwards;
  animation-delay: calc(var(--i, 0) * 90ms + 120ms);
}
.followup svg { width: 16px; height: 16px; color: #666; }
.followup:hover { color: #fff; background: #0c0c0c; }
.followup:hover svg { color: #fff; }

/* ---------- Thinking star ---------- */
.stage {
  position: absolute;
  top: -14px;
  right: 0;
  width: 100px;
  height: 80px;
  pointer-events: none;
  z-index: 2;
}
.star {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 22px;
  height: 22px;
  transform: translate(-50%, -50%);
}
.star svg { width: 100%; height: 100%; filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.85)); }
.star.pop { animation: starPop 0.42s var(--ease) forwards; }
.spark {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 5px;
  height: 5px;
  margin: -2.5px 0 0 -2.5px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 8px #fff;
  animation: sparkOut 0.7s var(--ease) forwards;
}

/* ---------- Empty state ---------- */
.hero { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.hero-logo { width: 60px; height: 60px; animation: pop 0.5s var(--ease) both, float 4s ease-in-out 1s infinite; }
.hero h1 {
  margin: 8px 0 0;
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.6px;
  animation: rise 0.5s 0.1s var(--ease) backwards;
}
.hero-sub { margin: 0 0 12px; color: var(--muted); animation: rise 0.5s 0.2s var(--ease) backwards; }
.suggestions { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; max-width: 580px; }
.chip {
  padding: 9px 16px;
  font-size: 14px;
  background: #0a0a0a;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  animation: rise 0.45s var(--ease) backwards;
  animation-delay: calc(0.3s + var(--i, 0) * 70ms);
}
.chip:hover { background: #141414; border-color: #444; transform: translateY(-2px); }

/* ---------- Jump to latest ---------- */
.jump {
  position: absolute;
  left: 50%;
  bottom: 160px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #111;
  border: 1px solid var(--line-2);
  color: #fff;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.7);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity 0.2s, transform 0.25s var(--ease);
  z-index: 5;
}
.jump.show { opacity: 1; pointer-events: auto; transform: translate(-50%, 0); }
.jump svg { width: 18px; height: 18px; }

/* ---------- Composer ---------- */
.composer-wrap { padding: 0 16px; }

.composer {
  width: 100%;
  max-width: 780px;
  margin: 0 auto;
  padding: 12px 12px 10px 18px;
  background: #0b0b0b;
  border: 1px solid #1c1c1c;
  border-radius: 28px;
  transition: border-color 0.2s, box-shadow 0.25s;
}
.composer:focus-within {
  border-color: #3a3a3a;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.04), 0 12px 40px rgba(255, 255, 255, 0.03);
}

.attachments { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 6px; }
.att {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: 220px;
  padding: 3px 4px 3px 10px;
  font-size: 12.5px;
  background: #161616;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  animation: pop 0.25s var(--ease) both;
}
.att span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.att button {
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--muted);
}
.att button:hover { background: #262626; color: #fff; }

.composer textarea {
  display: block;
  width: 100%;
  max-height: 200px;
  padding: 6px 0;
  background: transparent;
  border: 0;
  outline: none;
  resize: none;
  color: var(--text);
  line-height: 1.5;
  font-size: 15.5px;
}
.composer textarea::placeholder { color: #6a6a6a; }

.composer-row { display: flex; align-items: center; gap: 6px; margin-top: 6px; }

.pill {
  height: 32px;
  padding: 0 12px;
  font-size: 13px;
  color: #a9a9a9;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  white-space: nowrap;
}
.pill:hover { color: #fff; border-color: #3a3a3a; }
.pill[aria-pressed="true"] { background: #fff; color: #000; border-color: #fff; }

.role-label { margin: 0 6px; font-size: 12.5px; color: #6f6f6f; white-space: nowrap; }
.role-label.flash { animation: fade 0.5s both; }

.send {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #fff;
  color: #000;
}
.send svg { width: 18px; height: 18px; }
.send .icon-stop { display: none; }
.send.stop .icon-send { display: none; }
.send.stop .icon-stop { display: block; }
.send:disabled { opacity: 0.22; }

.footnote { margin: 8px 0 10px; text-align: center; font-size: 12px; color: #5f5f5f; }

/* ---------- Drag and drop, toast ---------- */
.drop-hint {
  position: fixed;
  inset: 16px;
  z-index: 70;
  display: grid;
  place-items: center;
  border: 2px dashed #444;
  border-radius: 24px;
  background: rgba(0, 0, 0, 0.85);
  font-size: 18px;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.app.dragging .drop-hint { opacity: 1; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 110px;
  z-index: 80;
  max-width: 90vw;
  padding: 8px 16px;
  background: #fff;
  color: #000;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 16px);
  transition: opacity 0.2s, transform 0.3s var(--ease);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Dialogs ---------- */
dialog {
  margin: auto;
  padding: 0;
  width: min(460px, 92vw);
  background: #0a0a0a;
  color: var(--text);
  border: 1px solid var(--line-2);
  border-radius: 18px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.9);
}
dialog[open] { animation: pop 0.25s var(--ease) both; }
dialog::backdrop { background: rgba(0, 0, 0, 0.75); animation: fade 0.2s both; }

.panel { display: flex; flex-direction: column; gap: 16px; padding: 22px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; }
.panel-head h2 { margin: 0; font-size: 17px; font-weight: 600; }

.keys { margin: 0; display: grid; gap: 10px; }
.keys div { display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 14px; }
.keys dt { color: #d4d4d4; }
.keys dd { margin: 0; color: var(--muted); text-align: right; }
kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  color: #eee;
  background: #161616;
  border: 1px solid var(--line-2);
  border-bottom-width: 2px;
  border-radius: 6px;
  padding: 2px 6px;
}

.field { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: #d4d4d4; }
select, .memory-form input {
  padding: 10px 12px;
  background: #000;
  color: #fff;
  border: 1px solid var(--line-2);
  border-radius: 10px;
  outline: none;
}
select:focus, .memory-form input:focus { border-color: #4a4a4a; }
.check { display: flex; align-items: center; gap: 10px; font-size: 14px; color: #d4d4d4; }
.check input { width: 16px; height: 16px; accent-color: #fff; }

.danger-zone { display: flex; flex-direction: column; gap: 10px; padding-top: 14px; border-top: 1px solid var(--line); }
.danger-zone p { margin: 0; font-size: 13px; color: var(--muted); }
.danger-zone .danger { align-self: flex-start; }

.memory-form { display: flex; gap: 8px; }
.memory-form input { flex: 1; min-width: 0; }
.memory-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; max-height: 260px; overflow-y: auto; }
.memory-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  font-size: 14px;
  background: #0f0f0f;
  border: 1px solid var(--line);
  border-radius: 12px;
  animation: rise 0.3s var(--ease) both;
}
.memory-item span { min-width: 0; overflow-wrap: anywhere; }
.memory-item .icon-btn { width: 30px; height: 30px; flex-shrink: 0; }
.memory-item .icon-btn svg { width: 16px; height: 16px; }

/* Code Lab */
.lab[open] { display: flex; flex-direction: column; width: min(1120px, 96vw); height: min(82vh, 840px); }
.lab-head { display: flex; align-items: center; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.lab-head h2 { margin: 0 6px 0 0; font-size: 16px; font-weight: 600; white-space: nowrap; }
.lab-body {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 14px 16px 16px;
}
#labCode {
  width: 100%;
  min-height: 0;
  padding: 14px;
  background: #050505;
  color: #e6e6e6;
  border: 1px solid var(--line);
  border-radius: 14px;
  outline: none;
  resize: none;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13.5px;
  line-height: 1.55;
  tab-size: 2;
}
#labCode:focus { border-color: #333; }
.lab-out { display: flex; flex-direction: column; min-height: 0; gap: 8px; }
#labOutput {
  flex: 1;
  min-height: 80px;
  margin: 0;
  padding: 14px;
  overflow: auto;
  background: #050505;
  border: 1px solid var(--line);
  border-radius: 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.5;
  white-space: pre-wrap;
  color: #d6d6d6;
}
#labPreview { flex: 1; min-height: 200px; width: 100%; border: 1px solid var(--line); border-radius: 14px; background: #fff; }

/* ---------- Phones ---------- */
@media (max-width: 760px) {
  .sidebar { position: fixed; top: 0; bottom: 0; left: 0; z-index: 40; width: min(300px, 85vw); box-shadow: 0 0 50px rgba(0, 0, 0, 0.9); }
  .app.collapsed .sidebar { width: 0; box-shadow: none; }
  .app:not(.collapsed) .scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 35;
    background: rgba(0, 0, 0, 0.6);
    animation: fade 0.2s both;
  }
  .msg.user { max-width: 92%; }
  .hero h1 { font-size: 26px; }
  .composer textarea { font-size: 16px; }
  .jump { bottom: 150px; }
  .lab-body { grid-template-columns: 1fr; }
  .stage { width: 80px; height: 64px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-delay: 0ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}