:root {
  --bg-deep: #1a1410;
  --bg-mid: #2c2118;
  --ink: #f4ebe2;
  --muted: #b7a897;
  --accent: #c9833a;
  --accent-2: #6f8f72;
  --danger: #c45c4a;
  --warn: #c9a24a;
  --panel: rgba(40, 30, 22, 0.72);
  --line: rgba(244, 235, 226, 0.12);
  --focus: #e8c39a;
  --radius: 18px;
  --font-display: "Fraunces", "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  --font-body: "Source Sans 3", "Segoe UI", "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  font-family: var(--font-body);
  background: var(--bg-deep);
}

body {
  min-height: 100vh;
  min-height: 100dvh;
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 50% at 10% 0%, rgba(201, 131, 58, 0.28), transparent 55%),
    radial-gradient(ellipse 70% 45% at 90% 100%, rgba(111, 143, 114, 0.22), transparent 50%),
    linear-gradient(165deg, #120e0b 0%, #241a14 48%, #17120e 100%);
  animation: drift 18s ease-in-out infinite alternate;
}

@keyframes drift {
  from { filter: saturate(1); transform: scale(1); }
  to { filter: saturate(1.08); transform: scale(1.03); }
}

@media (prefers-reduced-motion: reduce) {
  .atmosphere { animation: none; }
  .level { transition: none !important; }
}

.shell {
  position: relative;
  z-index: 1;
  width: min(720px, 100%);
  margin: 0 auto;
  padding: 1.25rem 1rem 2.5rem;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}

.brand-logo {
  display: block;
  height: clamp(2.25rem, 8vw, 3.25rem);
  width: auto;
  max-width: min(220px, 55vw);
  object-fit: contain;
  margin: 0 0 0.15rem;
}

.brand-mark {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 7vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.brand-sub {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.top-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--muted);
  background: rgba(0, 0, 0, 0.18);
}

.status-pill::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: currentColor;
}

.status-pill[data-state="ready"],
.status-pill[data-state="listening"] { color: var(--accent-2); }
.status-pill[data-state="thinking"],
.status-pill[data-state="speaking"] { color: var(--accent); }
.status-pill[data-state="error"],
.status-pill[data-state="disconnected"] { color: var(--danger); }

.timer {
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  font-size: 0.85rem;
}

.gate, .app {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

[hidden] {
  display: none !important;
}

.gate {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  backdrop-filter: blur(10px);
}

.gate h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 560;
}

.gate p { color: var(--muted); line-height: 1.45; }

.login-form {
  display: grid;
  gap: 0.55rem;
  margin-top: 0.5rem;
}

.login-form label,
.lang-row label {
  font-size: 0.85rem;
  color: var(--muted);
}

input, select, button {
  font: inherit;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(18, 14, 11, 0.55);
  color: var(--ink);
  padding: 0.85rem 1rem;
  min-height: 48px;
}

input:focus-visible,
select:focus-visible,
button:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

button {
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, opacity 0.15s ease;
}

button:hover:not(:disabled) { transform: translateY(-1px); }
button:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

button.primary {
  background: linear-gradient(180deg, #d3924a, #b56d2d);
  border-color: transparent;
  color: #1a120c;
  font-weight: 650;
}

button.ghost {
  background: transparent;
}

.privacy {
  font-size: 0.85rem;
}

.empty {
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.transcript {
  flex: 1;
  min-height: 220px;
  max-height: min(48vh, 420px);
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-right: 0.25rem;
}

.bubble {
  max-width: 92%;
  padding: 0.85rem 1rem;
  border-radius: 16px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}

.bubble.user {
  align-self: flex-end;
  background: rgba(201, 131, 58, 0.18);
  border: 1px solid rgba(201, 131, 58, 0.28);
}

.bubble.assistant {
  align-self: flex-start;
  background: rgba(111, 143, 114, 0.16);
  border: 1px solid rgba(111, 143, 114, 0.28);
}

.bubble[dir="rtl"] {
  text-align: right;
  font-family: "Noto Naskh Arabic", "Geeza Pro", "Segoe UI", serif;
}

.interim {
  min-height: 1.25rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  font-style: italic;
}

.approval {
  border: 1px solid rgba(201, 162, 74, 0.45);
  background: rgba(201, 162, 74, 0.12);
  border-radius: var(--radius);
  padding: 1rem;
}

.approval h2 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  color: var(--warn);
}

.approval pre {
  margin: 0.5rem 0 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.82rem;
  color: var(--muted);
}

.error {
  min-height: 1.25rem;
  margin: 0;
  color: var(--danger);
}

.controls {
  display: grid;
  gap: 0.85rem;
  padding-top: 0.25rem;
}

.lang-row {
  display: grid;
  gap: 0.35rem;
}

.voice-stage {
  display: grid;
  justify-items: center;
  gap: 0.45rem;
  padding: 0.75rem 0 0.25rem;
}

.level {
  width: min(180px, 45vw);
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
  position: relative;
}

.level::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--level, 8%);
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
  transition: width 0.12s linear;
}

.phase {
  margin: 0;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
}

@media (min-width: 560px) {
  .actions {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
  .actions .ghost,
  .actions #reconnectBtn {
    grid-column: 1 / -1;
  }
}

@media (max-width: 360px) {
  .shell { padding: 1rem 0.75rem 2rem; }
  .brand-mark { font-size: 1.75rem; }
}