/* =============================================================
   Iris design system — Apsen Process Agent
   Replica fiel do prototipo HTML aprovado em design review.
   ============================================================= */

:root {
  --bg-0: #050810;
  --bg-1: #0a0f1e;
  --bg-2: #0f1628;
  --bg-3: #141c34;
  --ink-0: #f4f6fb;
  --ink-1: #c5cad8;
  --ink-2: #7a8198;
  --ink-3: #4a516a;
  --accent: #5eead4;
  --accent-2: #06b6d4;
  --accent-3: #818cf8;
  --accent-hot: #fb7185;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-hi: rgba(255, 255, 255, 0.06);
  --display: 'Fraunces', serif;
  --body: 'Plus Jakarta Sans', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; overflow: hidden; }
body {
  background: var(--bg-0);
  color: var(--ink-0);
  font-family: var(--body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ========= Background atmospheric ========= */
.bg-grain {
  position: fixed; inset: 0;
  background-image:
    radial-gradient(at 18% 12%, rgba(94, 234, 212, 0.10), transparent 50%),
    radial-gradient(at 82% 28%, rgba(129, 140, 248, 0.09), transparent 50%),
    radial-gradient(at 50% 85%, rgba(6, 182, 212, 0.06), transparent 50%),
    radial-gradient(at 92% 92%, rgba(251, 113, 133, 0.04), transparent 50%);
  pointer-events: none;
  z-index: 0;
  animation: meshShift 24s ease-in-out infinite alternate;
}
.bg-noise {
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.04 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: overlay;
  opacity: 0.35;
}

@keyframes meshShift {
  0% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.08) rotate(2deg); }
  100% { transform: scale(1) rotate(-1deg); }
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}
@keyframes ringPulse {
  0% { transform: scale(0.85); opacity: 1; }
  100% { transform: scale(1.4); opacity: 0; }
}
@keyframes msgIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes typingDot {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-4px); }
}
@keyframes shimmer {
  from { transform: translateX(-100%); }
  to { transform: translateX(100%); }
}

/* ========= App shell ========= */
.app {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 280px 1fr 360px;
  height: 100vh;
  transition: grid-template-columns 0.3s ease;
}
.app[data-mode="welcome"] {
  grid-template-columns: 280px 1fr 0px;
}
.app[data-mode="welcome"] aside.canvas-panel {
  opacity: 0;
  pointer-events: none;
  border-left-color: transparent;
}
.app[data-mode="auth"] {
  grid-template-columns: 0 1fr 0;
}
.app[data-mode="auth"] aside.sidebar,
.app[data-mode="auth"] aside.canvas-panel {
  opacity: 0;
  pointer-events: none;
  border-color: transparent;
}
.app[data-mode="auth"] .conv-top,
.app[data-mode="auth"] .composer-wrap,
.app[data-mode="auth"] .welcome,
.app[data-mode="auth"] .messages { display: none; }
.auth { display: none; }
.app[data-mode="auth"] .auth { display: flex; }

/* ========= SIDEBAR ========= */
aside.sidebar {
  border-right: 1px solid var(--glass-border);
  background: rgba(5, 8, 16, 0.45);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  display: flex; flex-direction: column;
  padding: 22px 18px;
  gap: 24px;
  min-width: 0;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  padding: 4px 8px 0;
}
.iris-mark {
  width: 28px; height: 28px;
  position: relative;
  flex-shrink: 0;
}
.iris-mark::before {
  content: ''; position: absolute; inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--accent), var(--accent-3), var(--accent-2), var(--accent-hot), var(--accent));
  animation: spin 12s linear infinite;
}
.iris-mark::after {
  content: ''; position: absolute; inset: 5px;
  border-radius: 50%;
  background: var(--bg-0);
}
.iris-mark > span {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  z-index: 1;
}
.iris-mark > span::before {
  content: '';
  width: 7px; height: 7px;
  background: var(--ink-0);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(94, 234, 212, 0.9);
}
.brand-name {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
  font-variation-settings: 'opsz' 96;
}
.brand-sub {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 1px;
}

.new-session {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 13px 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--bg-0);
  border: none;
  border-radius: 100px;
  font-family: var(--body);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(94, 234, 212, 0.18);
}
.new-session:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(94, 234, 212, 0.32);
}

.side-section { display: flex; flex-direction: column; gap: 6px; min-height: 0; flex: 1; }
.side-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0 10px 8px;
}
.sessions {
  list-style: none;
  display: flex; flex-direction: column; gap: 2px;
  overflow-y: auto;
  padding-right: 4px;
  min-height: 0;
  flex: 1;
}
.sessions::-webkit-scrollbar { width: 4px; }
.sessions::-webkit-scrollbar-thumb { background: var(--glass-border); border-radius: 2px; }
.session-item {
  display: flex; flex-direction: column; gap: 4px;
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  border: 1px solid transparent;
  background: transparent;
  color: inherit;
  text-decoration: none;
  text-align: left;
  width: 100%;
  font-family: inherit;
}
.session-item:hover { background: var(--glass-bg); }
.session-item.active {
  background: var(--glass-bg);
  border-color: var(--glass-border);
}
.session-title {
  font-size: 13px;
  color: var(--ink-0);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
}
.session-meta {
  display: flex; align-items: center; gap: 6px;
  font-size: 10.5px;
  color: var(--ink-2);
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.session-meta .dot {
  width: 4px; height: 4px;
  background: var(--ink-3);
  border-radius: 50%;
}
.session-meta .dot.live { background: var(--accent); box-shadow: 0 0 6px var(--accent); }
.session-meta .dot.done { background: var(--accent-3); }

.sidebar-foot {
  border-top: 1px solid var(--glass-border);
  padding-top: 14px;
  display: flex; flex-direction: column; gap: 4px;
}
.nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px;
  border-radius: 10px;
  color: var(--ink-1);
  text-decoration: none;
  font-size: 13px;
  background: transparent;
  border: 0;
  font-family: inherit;
  cursor: pointer;
  text-align: left;
  width: 100%;
  transition: background 0.15s, color 0.15s;
}
.nav-link:hover { background: var(--glass-bg); color: var(--ink-0); }
.nav-link svg { color: var(--ink-2); }
.nav-link:hover svg { color: var(--accent); }
.user-chip {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  margin-top: 4px;
}
.user-chip .avatar-mini {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-3), var(--accent));
  color: var(--bg-0);
  font-family: var(--display);
  font-size: 12px;
  font-weight: 600;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.user-chip-info { min-width: 0; flex: 1; }
.user-chip-name {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-0);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-chip-sub {
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--ink-2);
  letter-spacing: 0.06em;
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ========= Auth (email gate) ========= */
.auth {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 40px 28px;
  text-align: center;
  animation: fadeIn 0.5s ease-out;
}
.auth-shell {
  width: 100%;
  max-width: 520px;
  display: flex; flex-direction: column; align-items: center;
  gap: 30px;
}
.auth-orb-wrap {
  position: relative;
  width: 120px; height: 120px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 6px;
}
.auth-orb {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, rgba(255,255,255,0.4) 0%, transparent 8%),
    radial-gradient(circle at 50% 50%, var(--bg-0) 0%, var(--bg-0) 18%, transparent 19%),
    conic-gradient(from 90deg, var(--accent) 0%, var(--accent-3) 25%, var(--accent-2) 50%, var(--accent-hot) 75%, var(--accent) 100%);
  box-shadow:
    0 0 30px rgba(94, 234, 212, 0.3),
    0 0 60px rgba(129, 140, 248, 0.18),
    inset 0 0 22px rgba(0, 0, 0, 0.6);
  animation: spin 30s linear infinite;
}
.auth-orb::before {
  content: '';
  position: absolute; inset: 18%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, transparent 40%, rgba(94, 234, 212, 0.15) 60%, transparent 80%);
  animation: spin 20s linear infinite reverse;
}
.auth-orb::after {
  content: '';
  position: absolute;
  inset: 41%;
  border-radius: 50%;
  background: radial-gradient(circle, #000 0%, #000 70%, transparent 100%);
  box-shadow: 0 0 12px rgba(0,0,0,0.8), inset 0 0 5px rgba(94, 234, 212, 0.3);
}
.auth-rings { position: absolute; inset: -18%; pointer-events: none; }
.auth-ring {
  position: absolute; inset: 0;
  border: 1px solid rgba(94, 234, 212, 0.15);
  border-radius: 50%;
  animation: ringPulse 4s ease-out infinite;
}
.auth-ring:nth-child(2) { animation-delay: 1.3s; }
.auth-ring:nth-child(3) { animation-delay: 2.6s; }

.auth-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  font-size: 10.5px;
  font-family: var(--mono);
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.auth-eyebrow .ed {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
.auth h1 {
  font-family: var(--display);
  font-size: clamp(34px, 3.4vw, 52px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-variation-settings: 'opsz' 144;
  margin-bottom: 4px;
}
.auth h1 em {
  font-style: italic;
  font-weight: 300;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.auth-sub {
  font-size: 16.5px;
  color: var(--ink-1);
  line-height: 1.6;
  max-width: 460px;
  font-weight: 300;
}
.auth-form {
  width: 100%;
  display: flex; flex-direction: column; gap: 12px;
  margin-top: 8px;
}
.auth-field {
  position: relative;
  display: flex; align-items: center;
  background: linear-gradient(135deg, rgba(15, 22, 40, 0.7), rgba(10, 15, 30, 0.55));
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 0 6px 0 18px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.auth-field:focus-within {
  border-color: rgba(94, 234, 212, 0.35);
  box-shadow: 0 0 0 4px rgba(94, 234, 212, 0.08);
}
.auth-field svg { color: var(--ink-2); flex-shrink: 0; }
.auth-field input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--ink-0);
  font-family: var(--body);
  font-size: 16px;
  font-weight: 300;
  padding: 16px 12px;
}
.auth-field input::placeholder { color: var(--ink-2); font-weight: 300; }
.auth-submit {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: none;
  color: var(--bg-0);
  width: 44px; height: 44px;
  border-radius: 11px;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: transform 0.15s, box-shadow 0.15s, opacity 0.15s;
  box-shadow: 0 4px 14px rgba(94, 234, 212, 0.28);
  flex-shrink: 0;
}
.auth-submit:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(94, 234, 212, 0.42);
}
.auth-submit:disabled { opacity: 0.4; cursor: not-allowed; box-shadow: none; }

.auth-helper {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  background: rgba(94, 234, 212, 0.04);
  border: 1px solid rgba(94, 234, 212, 0.14);
  border-radius: 12px;
  font-size: 12.5px;
  color: var(--ink-1);
  line-height: 1.45;
  text-align: left;
}
.auth-helper svg { color: var(--accent); flex-shrink: 0; }
.auth-loading {
  display: none;
  align-items: center; gap: 10px;
  color: var(--ink-2);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.auth-loading.show { display: inline-flex; }
.auth-loading .dots { display: inline-flex; gap: 4px; }
.auth-loading .dots span {
  width: 5px; height: 5px;
  background: var(--accent);
  border-radius: 50%;
  animation: typingDot 1.4s infinite;
  opacity: 0.4;
}
.auth-loading .dots span:nth-child(2) { animation-delay: 0.2s; }
.auth-loading .dots span:nth-child(3) { animation-delay: 0.4s; }

.auth-foot {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--glass-border);
  width: 100%;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-2);
  letter-spacing: 0.06em;
  line-height: 1.6;
}
.auth-foot .line-1 { color: var(--ink-1); margin-bottom: 4px; }
.auth-foot a { color: var(--accent); text-decoration: none; }
.auth-foot a:hover { text-decoration: underline; }

.auth-error {
  width: 100%;
  padding: 10px 14px;
  background: rgba(251, 113, 133, 0.08);
  border: 1px solid rgba(251, 113, 133, 0.25);
  border-radius: 12px;
  color: var(--accent-hot);
  font-size: 12.5px;
  text-align: left;
}

/* ========= Main conversation column ========= */
main.conv {
  display: flex; flex-direction: column;
  height: 100vh;
  min-width: 0;
  position: relative;
}
.conv-top {
  padding: 16px 28px;
  border-bottom: 1px solid var(--glass-border);
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  backdrop-filter: blur(8px);
  min-height: 64px;
}
.app[data-mode="welcome"] .conv-top { border-bottom-color: transparent; }
.conv-top-left { display: flex; align-items: center; gap: 14px; min-width: 0; }
.conv-title {
  font-family: var(--display);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink-0);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.app[data-mode="welcome"] .conv-title { color: var(--ink-2); font-weight: 400; }
.conv-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 12px 5px 10px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-1);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.conv-pill .dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s infinite;
}
.app[data-mode="welcome"] .conv-pill { display: none; }
.conv-top-right { display: flex; align-items: center; gap: 6px; }
.icon-btn {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  color: var(--ink-1);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.icon-btn:hover {
  background: var(--glass-hi);
  color: var(--accent);
  border-color: rgba(94, 234, 212, 0.3);
}
.app[data-mode="welcome"] .conv-top-right .for-active { display: none; }

/* ========= Body area (welcome or messages) ========= */
.conv-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  scroll-behavior: smooth;
  position: relative;
}
.conv-body::-webkit-scrollbar { width: 8px; }
.conv-body::-webkit-scrollbar-thumb { background: var(--glass-border); border-radius: 100px; }
.conv-body::-webkit-scrollbar-thumb:hover { background: var(--ink-3); }

/* ----- Welcome (empty) state ----- */
.welcome {
  max-width: 860px;
  margin: 0 auto;
  padding: 64px 32px 240px;
  display: flex; flex-direction: column;
  gap: 44px;
  animation: fadeIn 0.4s ease-out;
}
.app[data-mode="active"] .welcome { display: none; }

.welcome-hero {
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
  gap: 22px;
}
.welcome-orb-wrap {
  position: relative;
  width: 150px; height: 150px;
  display: flex; align-items: center; justify-content: center;
}
.welcome-orb {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, rgba(255,255,255,0.4) 0%, transparent 8%),
    radial-gradient(circle at 50% 50%, var(--bg-0) 0%, var(--bg-0) 18%, transparent 19%),
    conic-gradient(from 90deg, var(--accent) 0%, var(--accent-3) 25%, var(--accent-2) 50%, var(--accent-hot) 75%, var(--accent) 100%);
  box-shadow:
    0 0 40px rgba(94, 234, 212, 0.3),
    0 0 80px rgba(129, 140, 248, 0.18),
    inset 0 0 30px rgba(0, 0, 0, 0.6);
  animation: spin 30s linear infinite;
}
.welcome-orb::before {
  content: '';
  position: absolute; inset: 18%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, transparent 40%, rgba(94, 234, 212, 0.15) 60%, transparent 80%);
  animation: spin 20s linear infinite reverse;
}
.welcome-orb::after {
  content: '';
  position: absolute;
  inset: 41%;
  border-radius: 50%;
  background: radial-gradient(circle, #000 0%, #000 70%, transparent 100%);
  box-shadow: 0 0 16px rgba(0,0,0,0.8), inset 0 0 6px rgba(94, 234, 212, 0.3);
}
.welcome-rings { position: absolute; inset: -16%; pointer-events: none; }
.welcome-ring {
  position: absolute; inset: 0;
  border: 1px solid rgba(94, 234, 212, 0.15);
  border-radius: 50%;
  animation: ringPulse 4s ease-out infinite;
}
.welcome-ring:nth-child(2) { animation-delay: 1.3s; }
.welcome-ring:nth-child(3) { animation-delay: 2.6s; }

.welcome-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  font-size: 11px;
  font-family: var(--mono);
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.welcome-eyebrow .ed {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
.welcome h1 {
  font-family: var(--display);
  font-size: clamp(38px, 3.6vw, 56px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-variation-settings: 'opsz' 144;
  max-width: 720px;
}
.welcome h1 em {
  font-style: italic;
  font-weight: 300;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.welcome-sub {
  font-size: 18px;
  color: var(--ink-1);
  line-height: 1.6;
  max-width: 620px;
  font-weight: 300;
}

.caps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.cap {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: border-color 0.2s, background 0.2s;
}
.cap:hover { border-color: rgba(94, 234, 212, 0.25); background: var(--glass-hi); }
.cap-ico {
  width: 30px; height: 30px;
  flex-shrink: 0;
  background: linear-gradient(135deg, rgba(94, 234, 212, 0.15), rgba(129, 140, 248, 0.15));
  border: 1px solid rgba(94, 234, 212, 0.2);
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
}
.cap-text {
  font-size: 13.5px;
  color: var(--ink-1);
  line-height: 1.45;
}
.cap-text strong { color: var(--ink-0); font-weight: 500; }

.welcome-section-title {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 14px;
  gap: 16px;
}
.welcome-section-title h2 {
  font-family: var(--display);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.welcome-section-title h2 em {
  font-style: italic;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.welcome-section-title .label {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.recent-list { display: flex; flex-direction: column; gap: 8px; }
.recent-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 14px 18px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
  text-align: left;
  width: 100%;
  color: inherit;
  font-family: inherit;
  position: relative;
  overflow: hidden;
}
.recent-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(94, 234, 212, 0.5), transparent);
  opacity: 0;
  transition: opacity 0.2s;
}
.recent-card:hover {
  border-color: rgba(94, 234, 212, 0.25);
  background: var(--glass-hi);
  transform: translateY(-1px);
}
.recent-card:hover::before { opacity: 1; }
.recent-title {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-0);
  line-height: 1.35;
  margin-bottom: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}
.recent-meta {
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap;
}
.status-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 2px 9px;
  border-radius: 100px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.status-tag.completed {
  background: rgba(94, 234, 212, 0.08);
  border: 1px solid rgba(94, 234, 212, 0.25);
  color: var(--accent);
}
.status-tag.completed::before {
  content: '';
  width: 5px; height: 5px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent);
}
.status-tag.paused, .status-tag.discovery, .status-tag.reflection, .status-tag.generation {
  background: rgba(129, 140, 248, 0.08);
  border: 1px solid rgba(129, 140, 248, 0.25);
  color: var(--accent-3);
}
.status-tag.paused::before, .status-tag.discovery::before, .status-tag.reflection::before, .status-tag.generation::before {
  content: '';
  width: 5px; height: 5px;
  background: var(--accent-3);
  border-radius: 50%;
}
.block-tag {
  padding: 2px 9px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--ink-1);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.recent-card-right {
  display: flex; flex-direction: column; gap: 6px;
  align-items: flex-end;
}
.recent-card-date {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-2);
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.recent-card-arrow {
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  color: var(--ink-2);
  display: inline-flex; align-items: center; justify-content: center;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.2s;
}
.recent-card:hover .recent-card-arrow {
  background: var(--accent);
  color: var(--bg-0);
  border-color: var(--accent);
  transform: translateX(2px);
}

/* ----- Active conversation messages ----- */
.messages {
  max-width: 860px;
  margin: 0 auto;
  padding: 36px 32px 260px;
  display: flex; flex-direction: column;
  gap: 32px;
}
.app[data-mode="welcome"] .messages { display: none; }

.day-divider {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 8px 0;
}
.day-divider::before, .day-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--glass-border);
}

.msg {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 16px;
  animation: msgIn 0.5s ease-out;
}
.msg.user {
  grid-template-columns: 1fr 36px;
  text-align: right;
}
.msg.user .msg-meta { justify-content: flex-end; }
.msg.user .msg-avatar { grid-column: 2; }
.msg.user .msg-body { grid-column: 1; }
.msg.user .msg-text {
  display: inline-block;
  text-align: left;
  padding: 14px 18px;
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.12), rgba(94, 234, 212, 0.08));
  border: 1px solid rgba(129, 140, 248, 0.22);
  border-radius: 18px 18px 6px 18px;
  max-width: 88%;
  white-space: pre-wrap;
}
.msg-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
  margin-top: 2px;
}
.msg.iris .msg-avatar::before {
  content: ''; position: absolute; inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--accent), var(--accent-3), var(--accent-2), var(--accent-hot), var(--accent));
  animation: spin 14s linear infinite;
}
.msg.iris .msg-avatar::after {
  content: ''; position: absolute; inset: 5px;
  border-radius: 50%;
  background: var(--bg-0);
}
.msg.iris .msg-avatar > span {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  z-index: 1;
}
.msg.iris .msg-avatar > span::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--ink-0);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(94, 234, 212, 0.9);
}
.msg.user .msg-avatar {
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.25), rgba(94, 234, 212, 0.18));
  border: 1px solid rgba(129, 140, 248, 0.35);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-0);
  font-family: var(--display);
  font-size: 13px;
  font-weight: 500;
}
.msg-body { min-width: 0; }
.msg-meta {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 6px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.msg.iris .msg-meta .who { color: var(--accent); font-weight: 500; }
.msg.user .msg-meta .who { color: var(--accent-3); font-weight: 500; }
.msg-meta .block-tag-inline {
  padding: 2px 8px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  font-size: 9.5px;
  letter-spacing: 0.1em;
  color: var(--ink-1);
}
.msg-text {
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--ink-0);
  font-weight: 300;
  white-space: pre-wrap;
}
.msg.user .msg-text { font-weight: 400; }

.cursor-blink {
  display: inline-block;
  width: 8px;
  background: var(--accent);
  animation: pulse 1s steps(2, start) infinite;
  margin-left: 2px;
  height: 1.1em;
  vertical-align: text-bottom;
}

.typing-dots {
  display: inline-flex; gap: 6px;
  padding: 8px 0;
}
.typing-dots span {
  width: 7px; height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: typingDot 1.4s infinite;
  opacity: 0.4;
}
.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

/* ========= Composer ========= */
.composer-wrap {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 24px 28px 22px;
  background: linear-gradient(180deg, transparent, rgba(5, 8, 16, 0.85) 30%, var(--bg-0));
  pointer-events: none;
  z-index: 5;
}
.composer-wrap > * { pointer-events: auto; }
.composer {
  max-width: 860px;
  margin: 0 auto;
  background: linear-gradient(135deg, rgba(15, 22, 40, 0.7), rgba(10, 15, 30, 0.55));
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  box-shadow:
    0 12px 36px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(94, 234, 212, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.composer:focus-within {
  border-color: rgba(94, 234, 212, 0.35);
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(94, 234, 212, 0.18),
    0 0 36px rgba(94, 234, 212, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.composer-input-row {
  display: flex; align-items: flex-end;
  padding: 14px 14px 14px 20px;
  gap: 10px;
}
.composer textarea {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  resize: none;
  color: var(--ink-0);
  font-family: var(--body);
  font-size: 15.5px;
  line-height: 1.55;
  font-weight: 300;
  min-height: 24px;
  max-height: 200px;
  padding: 6px 0;
}
.composer textarea::placeholder { color: var(--ink-2); font-weight: 300; }
.composer-actions { display: flex; align-items: center; gap: 6px; padding-bottom: 2px; }
.send-btn {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: none;
  border-radius: 12px;
  color: var(--bg-0);
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: transform 0.15s, box-shadow 0.15s, opacity 0.15s;
  box-shadow: 0 4px 14px rgba(94, 234, 212, 0.28);
}
.send-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(94, 234, 212, 0.42);
}
.send-btn:disabled { opacity: 0.35; cursor: not-allowed; box-shadow: none; }
.send-btn .spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(5, 8, 16, 0.25);
  border-top-color: var(--bg-0);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.regenerate-btn .spinner {
  border: 2px solid rgba(129, 140, 248, 0.2);
  border-top-color: var(--accent-3);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.composer-foot {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 18px 12px;
  gap: 16px;
  flex-wrap: wrap;
}
.commands {
  display: flex; align-items: center; gap: 4px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-2);
}
.commands-label {
  color: var(--ink-3);
  margin-right: 6px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 10px;
}
.cmd {
  padding: 3px 9px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  color: var(--accent);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  font-family: var(--mono);
  font-size: 11px;
}
.cmd:hover {
  background: rgba(94, 234, 212, 0.08);
  color: var(--ink-0);
  border-color: rgba(94, 234, 212, 0.3);
}
.keyhint {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}
.keyhint kbd {
  display: inline-block;
  padding: 1px 6px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-bottom-width: 2px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-1);
  margin: 0 2px;
}

/* ========= Right panel — Process Canvas ========= */
aside.canvas-panel {
  border-left: 1px solid var(--glass-border);
  background: rgba(5, 8, 16, 0.45);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  display: flex; flex-direction: column;
  overflow-y: auto;
  min-width: 0;
  transition: opacity 0.3s ease, border-left-color 0.3s ease;
}
aside.canvas-panel::-webkit-scrollbar { width: 5px; }
aside.canvas-panel::-webkit-scrollbar-thumb { background: var(--glass-border); border-radius: 3px; }

.canvas-head {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--glass-border);
  display: flex; align-items: center; justify-content: space-between;
  min-height: 64px;
}
.canvas-head h3 {
  font-family: var(--display);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.canvas-head .status-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  background: rgba(94, 234, 212, 0.08);
  border: 1px solid rgba(94, 234, 212, 0.25);
  border-radius: 100px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.canvas-body {
  padding: 22px 24px 32px;
  display: flex; flex-direction: column; gap: 22px;
}
.canvas-section { display: flex; flex-direction: column; gap: 8px; }
.canvas-section-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.session-id {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-1);
}
.session-id .hash {
  color: var(--accent-hot);
  background: rgba(251, 113, 133, 0.08);
  padding: 2px 7px;
  border-radius: 5px;
  border: 1px solid rgba(251, 113, 133, 0.18);
}

.blocks { display: flex; flex-direction: column; gap: 4px; }
.block-row {
  display: grid;
  grid-template-columns: 18px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 9px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s;
}
.block-row:hover { background: var(--glass-bg); }
.block-row.active {
  background: var(--glass-bg);
  border-color: rgba(94, 234, 212, 0.2);
}
.block-dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  position: relative;
  border: 1.5px solid var(--ink-3);
  transition: border-color 0.2s, background 0.2s;
}
.block-row.done .block-dot { background: var(--accent); border-color: var(--accent); }
.block-row.done .block-dot::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 14 14' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 7l3 3 5-6' stroke='%23050810' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
  background-size: contain;
}
.block-row.active .block-dot {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(94, 234, 212, 0.12);
}
.block-row.active .block-dot::after {
  content: '';
  position: absolute; inset: 3px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
.block-label { font-size: 13px; color: var(--ink-1); font-weight: 400; }
.block-row.done .block-label,
.block-row.active .block-label { color: var(--ink-0); font-weight: 500; }
.block-count { font-family: var(--mono); font-size: 10.5px; color: var(--ink-3); }
.block-row.done .block-count { color: var(--ink-2); }
.block-row.active .block-count { color: var(--accent); }

.progress-shell { display: flex; flex-direction: column; gap: 8px; }
.progress-top {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.progress-top .pct { color: var(--accent); font-weight: 500; letter-spacing: 0; }
.progress-track {
  height: 4px;
  background: var(--glass-border);
  border-radius: 100px;
  overflow: hidden;
  position: relative;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-3), var(--accent), var(--accent-2));
  border-radius: 100px;
  transition: width 0.6s ease;
  position: relative;
}
.progress-fill::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shimmer 2s linear infinite;
}

.artifact-card {
  background: linear-gradient(135deg, rgba(94, 234, 212, 0.06), rgba(129, 140, 248, 0.04));
  border: 1px solid rgba(94, 234, 212, 0.18);
  border-radius: 16px;
  padding: 18px;
  display: flex; flex-direction: column; gap: 14px;
}
.artifact-head { display: flex; align-items: center; gap: 10px; }
.artifact-icon {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--bg-0);
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.artifact-title { font-size: 13.5px; font-weight: 600; color: var(--ink-0); }
.artifact-sub {
  font-size: 12px;
  color: var(--ink-2);
  font-family: var(--mono);
  margin-top: 1px;
  letter-spacing: 0.04em;
}
.artifact-meta { display: flex; gap: 12px; flex-wrap: wrap; }
.artifact-meta-item { display: flex; flex-direction: column; flex: 1; min-width: 70px; }
.artifact-meta-item .v {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 500;
  color: var(--ink-0);
  letter-spacing: -0.02em;
  line-height: 1;
}
.artifact-meta-item .l {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}
.artifact-meta-item .v em { font-style: italic; color: var(--accent); }
.artifact-summary {
  font-size: 13px;
  color: var(--ink-1);
  line-height: 1.55;
  padding: 12px 14px;
  background: rgba(0,0,0,0.25);
  border-radius: 10px;
  border-left: 2px solid var(--accent);
}
.download-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 14px;
  background: var(--glass-bg);
  color: var(--ink-0);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  font-family: var(--body);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  text-decoration: none;
}
.download-btn:hover {
  background: var(--glass-hi);
  border-color: var(--accent);
  color: var(--accent);
}
.regenerate-btn {
  color: var(--accent-3) !important;
  border-color: rgba(129, 140, 248, 0.25) !important;
}
.regenerate-btn:hover {
  background: rgba(129, 140, 248, 0.08) !important;
  border-color: var(--accent-3) !important;
  color: var(--ink-0) !important;
}
.regenerate-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.tag-list { display: flex; gap: 6px; flex-wrap: wrap; }
.tag {
  font-family: var(--mono);
  font-size: 10px;
  padding: 3px 9px;
  border-radius: 100px;
  border: 1px solid var(--glass-border);
  color: var(--ink-1);
  background: var(--glass-bg);
  letter-spacing: 0.04em;
}
.tag.warn { color: var(--accent-hot); border-color: rgba(251, 113, 133, 0.25); background: rgba(251, 113, 133, 0.06); }
.tag.ok { color: var(--accent); border-color: rgba(94, 234, 212, 0.25); background: rgba(94, 234, 212, 0.06); }

/* Generation progress card (inside canvas-panel) */
.generation-card {
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.12), rgba(94, 234, 212, 0.08));
  border: 1px solid rgba(129, 140, 248, 0.25);
  border-radius: 16px;
  padding: 18px;
  display: flex; flex-direction: column; gap: 14px;
}
.gen-head { display: flex; align-items: center; gap: 10px; }
.gen-spinner {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2.5px solid rgba(94, 234, 212, 0.2);
  border-top-color: var(--accent);
  animation: spin 1s linear infinite;
  flex-shrink: 0;
}
.gen-title { font-size: 13.5px; font-weight: 600; color: var(--ink-0); }
.gen-sub {
  font-size: 11px;
  color: var(--ink-2);
  font-family: var(--mono);
  margin-top: 1px;
  letter-spacing: 0.04em;
}
.gen-stage {
  font-size: 12.5px;
  color: var(--ink-1);
  padding: 10px 12px;
  background: rgba(0,0,0,0.25);
  border-radius: 10px;
  border-left: 2px solid var(--accent-3);
  display: flex; gap: 8px; align-items: center;
}
.gen-stage .dot-pulse {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 1.4s infinite;
  flex-shrink: 0;
}
.gen-pipeline { display: flex; flex-wrap: wrap; gap: 4px; }
.gen-pipe {
  flex: 1 1 30%;
  text-align: center;
  font-size: 9.5px;
  padding: 4px 6px;
  border-radius: 6px;
  font-family: var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  color: var(--ink-2);
  transition: all 0.4s ease;
}
.gen-pipe.done { background: rgba(94, 234, 212, 0.08); border-color: rgba(94, 234, 212, 0.25); color: var(--accent); }
.gen-pipe.current {
  background: rgba(129, 140, 248, 0.14);
  border-color: rgba(129, 140, 248, 0.4);
  color: var(--ink-0);
  font-weight: 600;
}

/* Welcome small loading state */
.welcome-loading {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 24px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* QHD+ scale up — em telas grandes, o auth ficava perdido no centro.
   Aumentamos o orb, espaçamentos e larguras máximas dos panes principais. */
@media (min-width: 1600px) {
  .app { grid-template-columns: 320px 1fr 400px; }
  .app[data-mode="welcome"] { grid-template-columns: 320px 1fr 0px; }

  .auth-orb-wrap { width: 140px; height: 140px; }
  .auth-shell { max-width: 580px; gap: 34px; }
  .auth h1 { font-size: clamp(40px, 3vw, 56px); }
  .auth-sub { font-size: 17.5px; max-width: 500px; }
  .auth-helper { font-size: 13.5px; padding: 14px 18px; }

  .welcome { max-width: 920px; padding-top: 80px; gap: 48px; }
  .welcome-orb-wrap { width: 170px; height: 170px; }
  .welcome h1 { font-size: clamp(44px, 3.4vw, 60px); }
  .welcome-sub { font-size: 19px; max-width: 680px; }
  .caps { gap: 14px; }
  .cap { padding: 16px 18px; }
  .cap-text { font-size: 14.5px; }

  .messages { max-width: 920px; padding-top: 44px; }
  .msg-text { font-size: 16.5px; }

  .composer { max-width: 920px; }
  .composer textarea { font-size: 16.5px; }
  .send-btn { width: 44px; height: 44px; }

  aside.canvas-panel { font-size: 13.5px; }
}

/* Responsive */
@media (max-width: 1180px) {
  .app { grid-template-columns: 240px 1fr 320px; }
  .app[data-mode="welcome"] { grid-template-columns: 240px 1fr 0px; }
}
@media (max-width: 980px) {
  .app,
  .app[data-mode="welcome"],
  .app[data-mode="auth"] { grid-template-columns: 1fr; }
  aside.sidebar, aside.canvas-panel { display: none; }
  main.conv { grid-column: 1 / -1; }
  .caps { grid-template-columns: 1fr; }
}

/* Barra de erro do Blazor — oculta por padrão; o blazor.web.js a exibe (display:block)
   somente quando há erro não tratado no circuito. Antes vivia em app.css (não carregado
   pelo App.razor), então o banner "Algo deu errado" ficava permanentemente visível. */
#blazor-error-ui {
  background: #fb7185;
  bottom: 0;
  box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
  display: none;
  left: 0;
  padding: 0.6rem 1.25rem 0.7rem 1.25rem;
  position: fixed;
  width: 100%;
  z-index: 1000;
  color: #050810;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
}
#blazor-error-ui .dismiss {
  cursor: pointer;
  position: absolute;
  right: 0.75rem;
  top: 0.5rem;
}