/* ── App Shell ──────────────────────────────────────────────────────────── */
.app-body {
  min-height: 100vh;
  background: var(--bg-primary);
}

/* Views: only .active is visible */
.view { display: none; }
.view.active { display: block; }

/* ── App Nav ──────────────────────────────────────────────────────────────── */
.app-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 56px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.app-nav-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.app-nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.app-nav-user {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* ── App Container ────────────────────────────────────────────────────────── */
.app-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #0c0c0f;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 28px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: opacity 0.15s;
}
.btn-primary:hover { opacity: 0.88; }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-accent {
  background: var(--accent);
  color: #0c0c0f;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 18px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: opacity 0.15s;
}
.btn-accent:hover { opacity: 0.88; }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.88rem;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}
.btn-ghost:hover { color: var(--text-primary); border-color: rgba(255,255,255,0.15); }

.btn-sm { padding: 6px 14px; font-size: 0.82rem; }
.btn-lg { padding: 16px 40px; font-size: 1rem; }
.btn-full { width: 100%; }

/* ── Auth ─────────────────────────────────────────────────────────────────── */
.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 56px);
  padding: 40px 24px;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px 40px;
}

.auth-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 24px;
}

.auth-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.auth-sub {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.15s;
}

.form-input:focus {
  border-color: rgba(212, 168, 67, 0.4);
}

.auth-error {
  font-size: 0.88rem;
  color: #e87070;
  min-height: 20px;
  margin: -8px 0;
}

.auth-switch {
  margin-top: 24px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  text-align: center;
}

.auth-switch a {
  color: var(--accent);
  text-decoration: none;
}

/* ── Persona Picker ───────────────────────────────────────────────────────── */
.personas-header {
  margin-bottom: 40px;
}

.personas-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.personas-sub {
  color: var(--text-secondary);
  font-size: 1rem;
}

.persona-select-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 56px;
}

.persona-card-btn {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.2s, transform 0.15s;
  width: 100%;
}

.persona-card-btn:hover {
  border-color: rgba(212, 168, 67, 0.3);
  transform: translateY(-2px);
}

.persona-card-btn .persona-emoji {
  font-size: 2rem;
  flex-shrink: 0;
  margin-bottom: 0;
}

.persona-info h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.persona-info p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 12px;
}

.difficulty-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
}

.diff-easy { background: rgba(74, 222, 128, 0.12); color: #4ade80; }
.diff-medium { background: rgba(212, 168, 67, 0.12); color: var(--accent); }
.diff-hard { background: rgba(248, 113, 113, 0.12); color: #f87171; }

/* ── History ──────────────────────────────────────────────────────────────── */
.history-section { margin-top: 16px; }

.history-list {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.history-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  background: var(--bg-secondary);
  border-radius: 10px;
  font-size: 0.9rem;
}

.history-persona {
  flex: 1;
  font-weight: 500;
  color: var(--text-primary);
  text-transform: capitalize;
}

.history-date { color: var(--text-dim); font-size: 0.82rem; }

.grade-pill {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 6px;
}

.history-empty { color: var(--text-dim); font-size: 0.9rem; }

.loading-placeholder { color: var(--text-dim); font-size: 0.9rem; padding: 20px 0; }

/* ── Chat Layout ──────────────────────────────────────────────────────────── */
.chat-layout {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 56px);
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  flex-shrink: 0;
}

.chat-header-center {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.chat-persona-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.chat-persona-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  text-transform: capitalize;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.message {
  display: flex;
}

.message-agent { justify-content: flex-end; }
.message-buyer { justify-content: flex-start; }

.message-bubble {
  max-width: 68%;
  padding: 14px 18px;
  border-radius: 16px;
  line-height: 1.55;
}

.message-agent .message-bubble {
  background: var(--accent);
  color: #0c0c0f;
  border-bottom-right-radius: 4px;
}

.message-buyer .message-bubble {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
}

.message-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 6px;
  opacity: 0.7;
}

.message-bubble p { font-size: 0.98rem; }

/* Typing dots */
.typing-dots {
  display: flex;
  gap: 5px;
  align-items: center;
  padding: 4px 0;
}

.typing-dots span {
  width: 7px;
  height: 7px;
  background: var(--text-dim);
  border-radius: 50%;
  animation: blink 1.2s infinite;
}
.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes blink {
  0%, 80%, 100% { opacity: 0.3; transform: scale(1); }
  40% { opacity: 1; transform: scale(1.2); }
}

.chat-input-bar {
  display: flex;
  gap: 12px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  flex-shrink: 0;
}

.chat-textarea {
  flex: 1;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.98rem;
  line-height: 1.55;
  resize: none;
  outline: none;
  transition: border-color 0.15s;
}

.chat-textarea:focus { border-color: rgba(212, 168, 67, 0.35); }

.chat-send-btn {
  align-self: flex-end;
  padding: 12px 24px;
}

.chat-loading, .chat-error {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.9rem;
  padding: 40px 0;
}

.chat-error { color: #f87171; }

/* ── Scorecard ────────────────────────────────────────────────────────────── */
.scorecard-header {
  text-align: center;
  margin-bottom: 48px;
}

.scorecard-grade-row {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}

.scorecard-grade-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.scorecard-grade {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 700;
  line-height: 1;
}

.scorecard-grade-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.grade-a { color: #4ade80; }
.grade-b { color: #86efac; }
.grade-c { color: var(--accent); }
.grade-d { color: #fb923c; }
.grade-f { color: #f87171; }

.scorecard-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.score-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
}

.score-card-wide { grid-column: span 1; }
.score-card-full { grid-column: span 2; }

.score-card-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 20px;
}

/* Talk ratio */
.talk-ratio-bars { display: flex; flex-direction: column; gap: 12px; }

.talk-ratio-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.talk-label {
  font-size: 0.82rem;
  color: var(--text-secondary);
  width: 36px;
  flex-shrink: 0;
}

.talk-bar-track {
  flex: 1;
  height: 8px;
  background: var(--bg-secondary);
  border-radius: 4px;
  overflow: hidden;
}

.talk-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.8s ease;
}

.talk-bar-agent { background: var(--accent); }
.talk-bar-buyer { background: rgba(255,255,255,0.15); }

.talk-pct {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  width: 38px;
  text-align: right;
}

.score-note {
  margin-top: 16px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* Objection score */
.objection-score-row {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 16px;
}

.objection-score-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-primary);
}

.objection-score-max {
  font-size: 1.1rem;
  color: var(--text-dim);
}

.objection-bar-track {
  height: 8px;
  background: var(--bg-secondary);
  border-radius: 4px;
  overflow: hidden;
}

.objection-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #f87171, var(--accent), #4ade80);
  border-radius: 4px;
  transition: width 0.8s ease;
}

/* Lists */
.score-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.score-list li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  padding-left: 20px;
  position: relative;
  line-height: 1.5;
}

.score-list-missed li::before {
  content: '✗';
  position: absolute;
  left: 0;
  color: #f87171;
  font-weight: 700;
}

.score-list-strengths li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #4ade80;
  font-weight: 700;
}

.scorecard-feedback {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.scorecard-actions {
  display: flex;
  justify-content: center;
  padding-top: 16px;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .auth-card { padding: 32px 24px; }
  .scorecard-grid { grid-template-columns: 1fr; }
  .score-card-full { grid-column: span 1; }
  .chat-messages { padding: 16px; }
  .message-bubble { max-width: 88%; }
  .persona-select-grid { grid-template-columns: 1fr; }
}