/* Gracestack Cursor — 2026 glass + glow */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap");

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0e14;
  --bg-elevated: #111820;
  --glass: rgba(17, 24, 32, 0.72);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-highlight: rgba(255, 255, 255, 0.04);

  --text: #e8edf4;
  --text-dim: #8b9cb3;
  --text-faint: #5c6b80;

  --cyan: #22d3ee;
  --cyan-glow: rgba(34, 211, 238, 0.35);
  --violet: #a78bfa;
  --violet-glow: rgba(167, 139, 250, 0.3);
  --azure: #38bdf8;
  --azure-glow: rgba(56, 189, 248, 0.35);
  --emerald: #34d399;
  --rose: #fb7185;

  --lane-agent: var(--cyan);
  --lane-ask: var(--violet);
  --lane-plan: #fbbf24;
  --lane-quick: var(--azure);

  --radius: 14px;
  --radius-sm: 10px;
  --font: "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --blur: blur(20px) saturate(1.4);
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

body {
  display: flex;
  flex-direction: column;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

.hidden { display: none !important; }

/* Ambient orbs */
.ambient {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: drift 18s ease-in-out infinite;
}

.orb-a {
  width: 280px; height: 280px;
  background: var(--cyan);
  top: -80px; left: -60px;
  opacity: 0.25;
}

.orb-b {
  width: 320px; height: 320px;
  background: var(--violet);
  bottom: 10%; right: -100px;
  opacity: 0.2;
  animation-delay: -6s;
}

.orb-c {
  width: 200px; height: 200px;
  background: var(--azure);
  top: 40%; left: 30%;
  opacity: 0.12;
  animation-delay: -12s;
}

@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

.glass {
  background: var(--glass);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--glass-border);
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.25),
    inset 0 1px 0 var(--glass-highlight);
}

.app-shell {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
}

/* Login */
.login-screen {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: blur(12px);
}

.login-card {
  width: 100%;
  max-width: 380px;
  padding: 36px 28px;
  border-radius: var(--radius);
  text-align: center;
}

.login-logo {
  margin-bottom: 20px;
  filter: drop-shadow(0 0 20px var(--cyan-glow));
}

.login-card h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.login-card p {
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-bottom: 24px;
}

#login-token {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: rgba(0, 0, 0, 0.35);
  color: var(--text);
  font: inherit;
  margin-bottom: 14px;
  transition: box-shadow 0.2s, border-color 0.2s;
}

#login-token:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-glow);
}

.btn-primary {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--cyan), #0891b2);
  color: #0a0e14;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  box-shadow: 0 4px 20px var(--cyan-glow);
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn-primary:active {
  transform: scale(0.98);
  box-shadow: 0 2px 12px var(--cyan-glow);
}

.btn-primary.sm { width: auto; padding: 6px 14px; font-size: 0.78rem; }
.btn-ghost { background: transparent; border: none; color: var(--text-dim); cursor: pointer; }

.login-error { color: var(--rose); font-size: 0.8rem; margin-top: 12px; }

/* Install banner */
.install-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-size: 0.8rem;
  color: var(--text-dim);
  border-bottom: 1px solid var(--glass-border);
  flex-shrink: 0;
}

.install-banner .btn-ghost { margin-left: auto; }

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--glass-border);
  flex-shrink: 0;
}

.header-main { flex: 1; min-width: 0; }

.header-main h1 {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--text), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.parity-badge {
  font-size: 0.65rem;
  color: var(--text-faint);
  margin-top: 2px;
}

.conn-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text-faint);
  flex-shrink: 0;
}

.conn-dot.online {
  background: var(--emerald);
  box-shadow: 0 0 12px rgba(52, 211, 153, 0.7);
}

.conn-dot.warn { background: #fbbf24; box-shadow: 0 0 8px rgba(251, 191, 36, 0.5); }
.conn-dot.offline { background: var(--rose); }

.icon-btn {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.2s;
}

.icon-btn:active {
  color: var(--cyan);
  border-color: rgba(34, 211, 238, 0.4);
  box-shadow: 0 0 16px var(--cyan-glow);
}

/* Lane bar */
.lane-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--glass-border);
  flex-shrink: 0;
}

.lane-btn {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 10px 4px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  overflow: hidden;
  transition: color 0.2s, border-color 0.2s;
}

.lane-glow {
  position: absolute;
  inset: 0;
  opacity: 0;
  border-radius: inherit;
  transition: opacity 0.25s;
  pointer-events: none;
}

.lane-btn[data-lane="agent"] .lane-glow { background: radial-gradient(circle at 50% 100%, var(--cyan-glow), transparent 70%); }
.lane-btn[data-lane="ask"] .lane-glow { background: radial-gradient(circle at 50% 100%, var(--violet-glow), transparent 70%); }
.lane-btn[data-lane="plan"] .lane-glow { background: radial-gradient(circle at 50% 100%, rgba(251,191,36,0.25), transparent 70%); }
.lane-btn[data-lane="quick"] .lane-glow { background: radial-gradient(circle at 50% 100%, var(--azure-glow), transparent 70%); }

.lane-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  position: relative;
  z-index: 1;
}

.lane-hint {
  font-size: 0.58rem;
  color: var(--text-faint);
  position: relative;
  z-index: 1;
}

.lane-btn.active {
  border-color: var(--glass-border);
  background: rgba(255, 255, 255, 0.04);
}

.lane-btn.active .lane-glow { opacity: 1; }
.lane-btn.active[data-lane="agent"] { color: var(--cyan); }
.lane-btn.active[data-lane="ask"] { color: var(--violet); }
.lane-btn.active[data-lane="plan"] { color: #fbbf24; }
.lane-btn.active[data-lane="quick"] { color: var(--azure); }

.lane-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* Live bar */
.live-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--glass-border);
  flex-shrink: 0;
}

.live-pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan-glow);
  animation: pulse 1.4s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.live-text {
  flex: 1;
  font-size: 0.8rem;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--text-dim);
}

.live-timer {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-faint);
  font-variant-numeric: tabular-nums;
}

.model-badge {
  font-family: var(--mono);
  font-size: 0.62rem;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(34, 211, 238, 0.12);
  color: var(--cyan);
  border: 1px solid rgba(34, 211, 238, 0.25);
  max-width: 110px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stop-chip {
  border: 1px solid rgba(251, 113, 133, 0.4);
  background: rgba(251, 113, 133, 0.1);
  color: var(--rose);
  padding: 5px 12px;
  border-radius: 8px;
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
}

/* Chat */
main {
  flex: 1;
  overflow-y: auto;
  padding: 16px 14px 8px;
  -webkit-overflow-scrolling: touch;
  min-height: 0;
}

.msg {
  max-width: 92%;
  margin-bottom: 14px;
  animation: msgIn 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes msgIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.msg-bubble {
  padding: 12px 16px;
  border-radius: var(--radius);
  line-height: 1.55;
  font-size: 0.92rem;
  word-break: break-word;
}

.msg.user { margin-left: auto; }

.msg.user .msg-bubble {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.18), rgba(8, 145, 178, 0.12));
  border: 1px solid rgba(34, 211, 238, 0.25);
  box-shadow: 0 4px 20px rgba(34, 211, 238, 0.08);
  color: var(--text);
}

.msg.bot .msg-bubble {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.msg.bot .msg-bubble.stream {
  border-color: rgba(167, 139, 250, 0.3);
  box-shadow: 0 0 24px var(--violet-glow);
}

.msg.error .msg-bubble {
  background: rgba(251, 113, 133, 0.1);
  border: 1px solid rgba(251, 113, 133, 0.3);
  color: #fecdd3;
}

.msg.system .msg-bubble {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-faint);
  font-size: 0.8rem;
  text-align: center;
  border-style: dashed;
}

.msg-actions { display: flex; gap: 8px; margin-top: 6px; }

.msg-actions button {
  border: 1px solid var(--glass-border);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-faint);
  font-size: 0.65rem;
  padding: 4px 10px;
  cursor: pointer;
}

/* Markdown */
.msg.bot .msg-bubble pre {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--glass-border);
  padding: 12px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-size: 0.76rem;
  margin: 10px 0;
}

.msg.bot .msg-bubble code {
  font-family: var(--mono);
  font-size: 0.82em;
  background: rgba(0, 0, 0, 0.35);
  color: var(--azure);
  padding: 2px 6px;
  border-radius: 4px;
}

.msg.bot .msg-bubble pre code { background: none; color: var(--text); padding: 0; }
.msg.bot .msg-bubble a { color: var(--cyan); }

/* Empty */
.empty {
  text-align: center;
  padding: 48px 24px;
}

.empty-icon {
  width: 64px; height: 64px;
  margin: 0 auto 20px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(34,211,238,0.2), rgba(167,139,250,0.15));
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 0 40px var(--cyan-glow);
}

.empty h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.empty p {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.6;
  max-width: 280px;
  margin: 0 auto;
}

.empty .empty-hint {
  margin-top: 16px;
  font-size: 0.72rem;
  color: var(--text-faint);
}

/* Thinking */
.thinking-dots {
  display: inline-flex;
  gap: 6px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
  box-shadow: 0 0 20px var(--violet-glow);
}

.thinking-dots span {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--violet);
  animation: dot 1.2s infinite;
}

.thinking-dots span:nth-child(2) { animation-delay: 0.15s; }
.thinking-dots span:nth-child(3) { animation-delay: 0.3s; }

@keyframes dot {
  0%, 80%, 100% { opacity: 0.3; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-4px); }
}

/* Activity */
.activity-panel {
  border-top: 1px solid var(--glass-border);
  flex-shrink: 0;
}

.activity-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 0.78rem;
  cursor: pointer;
}

.activity-count {
  font-family: var(--mono);
  font-size: 0.65rem;
  padding: 2px 8px;
  border-radius: 6px;
  background: rgba(167, 139, 250, 0.15);
  color: var(--violet);
  border: 1px solid rgba(167, 139, 250, 0.25);
}

.activity-list {
  max-height: 120px;
  overflow-y: auto;
  padding: 0 12px 10px;
}

.activity-step {
  display: flex;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.72rem;
  border-top: 1px solid var(--glass-border);
}

.activity-step:first-child { border-top: none; }

.step-title { font-family: var(--mono); color: var(--cyan); font-size: 0.68rem; }
.step-detail { color: var(--text-faint); font-family: var(--mono); font-size: 0.62rem; word-break: break-all; }
.step-result.ok { color: var(--emerald); }
.step-result.fail { color: var(--rose); }
.step-result.running { color: var(--azure); }

.activity-card {
  margin-bottom: 12px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.02);
}

.activity-card summary {
  padding: 10px 14px;
  font-size: 0.75rem;
  color: var(--text-dim);
  cursor: pointer;
  list-style: none;
}

.activity-panel.collapsed .activity-list { display: none; }
.activity-panel.collapsed .chevron { transform: rotate(-90deg); }
.chevron { transition: transform 0.15s; margin-left: auto; color: var(--text-faint); }

/* Quick prompts */
.quick-prompts {
  display: flex;
  gap: 8px;
  padding: 8px 14px 0;
  overflow-x: auto;
  scrollbar-width: none;
  flex-shrink: 0;
}

.quick-prompts::-webkit-scrollbar { display: none; }

.quick-prompts button {
  flex-shrink: 0;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-dim);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s;
}

.quick-prompts button:active {
  color: var(--cyan);
  border-color: rgba(34, 211, 238, 0.4);
  box-shadow: 0 0 16px var(--cyan-glow);
}

/* Composer footer */
.composer {
  display: flex;
  gap: 10px;
  padding: 10px 14px 8px;
  border-top: 1px solid var(--glass-border);
  align-items: flex-end;
  flex-shrink: 0;
}

.input-wrap {
  flex: 1;
  border-radius: var(--radius);
  border: 1px solid var(--glass-border);
  background: rgba(0, 0, 0, 0.25);
  padding: 4px 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.input-wrap:focus-within {
  border-color: rgba(34, 211, 238, 0.45);
  box-shadow: 0 0 0 3px var(--cyan-glow), 0 0 24px rgba(34, 211, 238, 0.1);
}

#input {
  width: 100%;
  resize: none;
  max-height: 120px;
  padding: 10px 0;
  border: none;
  background: transparent;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.92rem;
  line-height: 1.45;
}

#input:focus { outline: none; }
#input::placeholder { color: var(--text-faint); }

.send-btn {
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  border: none;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--cyan), #0891b2);
  color: #0a0e14;
  cursor: pointer;
  box-shadow: 0 4px 20px var(--cyan-glow);
  transition: transform 0.15s, box-shadow 0.15s;
  flex-shrink: 0;
}

.send-btn:active:not(:disabled) { transform: scale(0.94); }
.send-btn:disabled { opacity: 0.35; cursor: not-allowed; box-shadow: none; }

.send-btn.stop {
  background: linear-gradient(135deg, var(--rose), #e11d48);
  color: white;
  box-shadow: 0 4px 20px rgba(251, 113, 133, 0.35);
}

/* Statusbar */
.statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 14px;
  border-top: 1px solid var(--glass-border);
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--text-faint);
  flex-shrink: 0;
  min-height: 26px;
}

.statusbar-left, .statusbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
  overflow: hidden;
}

.statusbar-item { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

#status-lane { color: var(--cyan); }
.lane-quick-active #status-lane { color: var(--azure); }

.scroll-fab {
  position: fixed;
  right: 16px;
  bottom: 100px;
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  color: var(--cyan);
  font-size: 1rem;
  z-index: 10;
  cursor: pointer;
}

/* Drawer */
.drawer-overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
  z-index: 40;
}

.drawer {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: min(300px, 88vw);
  z-index: 50;
  transform: translateX(-100%);
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
  display: flex;
  flex-direction: column;
}

.drawer.open { transform: translateX(0); }

.drawer-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  border-bottom: 1px solid var(--glass-border);
}

.drawer-head h2 { font-size: 0.9rem; font-weight: 600; }

.session-list { flex: 1; overflow-y: auto; padding: 8px; }

.session-item {
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text);
  margin-bottom: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.session-item.active {
  background: rgba(34, 211, 238, 0.08);
  border-color: rgba(34, 211, 238, 0.25);
  box-shadow: 0 0 16px var(--cyan-glow);
}

.session-item-title { font-size: 0.84rem; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.session-item-meta { font-size: 0.65rem; color: var(--text-faint); margin-top: 3px; }

.drawer-foot {
  padding: 14px 16px;
  border-top: 1px solid var(--glass-border);
  font-size: 0.72rem;
}

.drawer-foot a { color: var(--cyan); text-decoration: none; }

/* Lane-specific body tint */
body.lane-quick .send-btn:not(.stop) {
  background: linear-gradient(135deg, var(--azure), #0284c7);
  box-shadow: 0 4px 20px var(--azure-glow);
}

body.lane-quick .input-wrap:focus-within {
  border-color: rgba(56, 189, 248, 0.45);
  box-shadow: 0 0 0 3px var(--azure-glow);
}

body.lane-ask .header-main h1 {
  background: linear-gradient(135deg, var(--text), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
}