:root {
  --bg: #0b0d10;
  --panel: #14171c;
  --panel-hi: #1b1f26;
  --border: #262b33;
  --text: #e7ecf3;
  --text-dim: #98a2b3;
  --accent: #7c9cff;
  --accent-hi: #a5b8ff;
  --user: #1f3557;
  --assistant: #1a1f28;
  --danger: #ff6b6b;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

#app {
  flex: 1;
  display: flex;
  flex-direction: column;
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  padding: 24px;
}

/* ---------- Disclaimer ---------- */
.disclaimer {
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.55;
  text-align: center;
  margin: 16px auto 8px;
  max-width: 620px;
  opacity: 0.75;
}
.chat-disclaimer {
  margin: 0;
  padding: 0 4px;
}

/* ---------- Search ---------- */
.search-wrap {
  margin: 0 0 24px;
}
.search-input {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 14px;
  font: inherit;
}
.search-input:focus {
  outline: none;
  border-color: var(--accent);
}
.search-input::placeholder {
  color: var(--text-dim);
}

.no-results {
  text-align: center;
  color: var(--text-dim);
  padding: 32px;
  font-size: 14px;
}

/* ---------- Suggest ---------- */
.suggest {
  margin: 48px 0 32px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.suggest h3 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 600;
}
.suggest-subtitle {
  margin: 0 0 16px;
  color: var(--text-dim);
  font-size: 13px;
}
.suggest-form {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.suggest-input {
  flex: 1 1 180px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 12px;
  font: inherit;
  font-size: 14px;
  min-width: 0;
}
.suggest-input:focus {
  outline: none;
  border-color: var(--accent);
}
.suggest-input::placeholder {
  color: var(--text-dim);
}
.suggest-btn {
  background: var(--accent);
  color: #0b0d10;
  border: none;
  border-radius: 8px;
  padding: 9px 18px;
  font: inherit;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  flex-shrink: 0;
}
.suggest-btn:hover:not(:disabled) {
  background: var(--accent-hi);
}
.suggest-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.suggest-status {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-dim);
  min-height: 1em;
}
.suggest-status-success {
  color: #7cc99a;
}
.suggest-status-error {
  color: var(--danger);
}

/* ---------- Landing ---------- */
.landing-header {
  text-align: center;
  margin: 32px 0 40px;
}
.landing-header h1 {
  font-size: 36px;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}
.subtitle {
  color: var(--text-dim);
  margin: 0;
}

.persona-grid {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.category h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin: 0 0 12px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  text-align: left;
  color: var(--text);
  cursor: pointer;
  transition: transform 0.08s ease, border-color 0.15s ease, background 0.15s ease;
  font: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.card:hover {
  background: var(--panel-hi);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.card-img {
  width: 96px;
  height: 96px;
  object-fit: cover;
  object-position: center 22%;
  border-radius: 50%;
  background: var(--panel-hi);
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.card-img-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--text-dim);
  font-size: 24px;
}

.card-body {
  text-align: center;
  width: 100%;
}

.card-name {
  font-weight: 600;
  font-size: 16px;
  margin-bottom: 4px;
}
.card-tagline {
  color: var(--text-dim);
  font-size: 13px;
  margin-bottom: 8px;
}
.card-era {
  color: var(--text-dim);
  font-size: 12px;
  opacity: 0.7;
}

.chat-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 22%;
  border: 1px solid var(--border);
  background: var(--panel-hi);
}

/* ---------- Chat ---------- */
.chat-header {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}
.chat-header-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-title {
  flex: 1;
}
.chat-name {
  font-weight: 600;
  font-size: 18px;
}
.chat-tagline {
  font-size: 13px;
  color: var(--text-dim);
}

.back-btn,
.clear-btn {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
}
.back-btn:hover,
.clear-btn:hover {
  color: var(--text);
  border-color: var(--accent);
}

.messages {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 8px 0 16px;
  min-height: 200px;
}

.msg {
  padding: 12px 14px;
  border-radius: 10px;
  max-width: 85%;
  background: var(--assistant);
  border: 1px solid var(--border);
}
.msg-user {
  background: var(--user);
  align-self: flex-end;
  border-color: #2b4880;
}
.msg-role {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin-bottom: 4px;
}
.msg-content {
  white-space: pre-wrap;
  word-wrap: break-word;
}

.composer {
  display: flex;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.composer textarea {
  flex: 1;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  resize: vertical;
  min-height: 44px;
  max-height: 200px;
}
.composer textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.composer button {
  background: var(--accent);
  color: #0b0d10;
  border: none;
  border-radius: 10px;
  padding: 0 18px;
  font-weight: 600;
  cursor: pointer;
  font: inherit;
}
.composer button:hover:not(:disabled) {
  background: var(--accent-hi);
}
.composer button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.error {
  color: var(--danger);
  padding: 24px;
  text-align: center;
}

/* ---------- Topbar ---------- */
.topbar {
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.topbar-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.topbar-brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.01em;
}
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.topbar-link {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}
.topbar-link:hover {
  color: var(--text);
  border-color: var(--accent);
}
.upgrade-btn {
  background: var(--accent);
  color: #0b0d10;
  border: none;
  border-radius: 8px;
  padding: 6px 14px;
  font: inherit;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
}
.upgrade-btn:hover {
  background: var(--accent-hi);
}
.tier-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 8px;
  border-radius: 6px;
  text-transform: uppercase;
}
.tier-paid {
  background: #223d1f;
  color: #9fe0a0;
  border: 1px solid #2f5a2a;
}

/* ---------- Usage pill ---------- */
.usage-pill {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--bg);
  color: var(--text-dim);
  border: 1px solid var(--border);
}

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 16px;
}
.modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 28px 24px;
  max-width: 420px;
  width: 100%;
  text-align: center;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 8px;
  right: 8px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 22px;
  cursor: pointer;
  padding: 4px 10px;
  line-height: 1;
}
.modal-close:hover {
  color: var(--text);
}
.modal-lock {
  font-size: 28px;
  color: var(--accent);
  margin-bottom: 8px;
}
.modal h2 {
  margin: 0 0 8px;
  font-size: 20px;
}
.modal-sub {
  color: var(--text-dim);
  font-size: 14px;
  margin: 0 0 20px;
}
.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: center;
}
.primary-btn {
  background: var(--accent);
  color: #0b0d10;
  border: none;
  border-radius: 8px;
  padding: 9px 20px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.primary-btn:hover {
  background: var(--accent-hi);
}
.ghost-btn {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 16px;
  font: inherit;
  cursor: pointer;
}
.ghost-btn:hover {
  color: var(--text);
  border-color: var(--accent);
}

/* ---------- Talk button ---------- */
.talk-btn {
  background: var(--accent);
  color: #0b0d10;
  border: none;
  border-radius: 8px;
  padding: 6px 14px;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
}
.talk-btn:hover:not(:disabled) {
  background: var(--accent-hi);
}
.talk-btn:disabled {
  background: var(--panel-hi);
  color: var(--text-dim);
  cursor: not-allowed;
}

/* ---------- Voice modal ---------- */
.voice-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 24px;
}

.voice-modal {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  max-width: 360px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.voice-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 22%;
  border: 1px solid var(--border);
  background: var(--panel-hi);
}
.voice-avatar-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  font-weight: 600;
  color: var(--text-dim);
}

.voice-name {
  font-size: 20px;
  font-weight: 600;
}

.voice-status {
  font-size: 13px;
  color: var(--text-dim);
  min-height: 1.2em;
  text-align: center;
}
.voice-status-live {
  color: #7cc99a;
}
.voice-status-error {
  color: var(--danger);
}

.voice-indicator {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--panel-hi);
  border: 2px solid var(--border);
  transition: all 0.15s ease;
}
.voice-indicator-on {
  border-color: var(--accent);
  background: rgba(124, 156, 255, 0.15);
}
.voice-indicator-speaking {
  border-color: #7cc99a;
  background: rgba(124, 201, 154, 0.25);
  animation: voice-pulse 1.1s ease-in-out infinite;
}
@keyframes voice-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

.voice-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.voice-end {
  background: var(--danger);
  border: 1px solid var(--danger);
  color: #0b0d10;
  border-radius: 8px;
  padding: 8px 16px;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.voice-end:hover {
  filter: brightness(1.1);
}

.voice-transcript {
  font-size: 13px;
  color: var(--text-dim);
  text-align: center;
  min-height: 1.2em;
  max-width: 100%;
  word-wrap: break-word;
  font-style: italic;
}