/* ──────────────────────────────────────────────────────────────
   Trainning — editorial / ritual style
   Fraunces serif italic + JetBrains Mono + Inter Tight
   ────────────────────────────────────────────────────────────── */

:root {
  --bg: #faf7f2;
  --paper: #f3ede2;
  --paper-deep: #ece4d4;
  --ink: #1a1612;
  --ink-soft: #4a3f35;
  --ink-fade: #8a7d6e;
  --accent: #c44536;
  --accent-warm: #e8a87c;
  --gold: #b8893a;
  --green: #5a7a4f;
  --rule: #d8cfc0;
  --shadow: 0 1px 0 rgba(26, 22, 18, 0.04), 0 8px 24px -12px rgba(26, 22, 18, 0.18);
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter Tight', system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  font-size: 15px;
  line-height: 1.5;
}

body {
  background-image:
    radial-gradient(circle at 20% 10%, rgba(232, 168, 124, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 80% 90%, rgba(196, 69, 54, 0.08) 0%, transparent 45%);
  padding-bottom: 96px;
}

body::before {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none;
  opacity: 0.4;
  z-index: 1;
  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='0.9' numOctaves='3'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.06 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ─── Header ─── */
header {
  padding: 24px 24px 16px;
  border-bottom: 1px solid var(--rule);
  position: relative; z-index: 2;
}
.masthead { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 8px; }
.logo {
  font-family: 'Fraunces', serif;
  font-weight: 800; font-size: 32px;
  letter-spacing: -0.02em; font-style: italic;
}
.logo::after { content: '.'; color: var(--accent); }
.version {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.15em;
  color: var(--ink-soft);
}
.tagline { font-family: 'Fraunces', serif; font-style: italic; font-size: 13px; color: var(--ink-soft); }

/* ─── Layout ─── */
main { padding: 0 24px; max-width: 720px; margin: 0 auto; position: relative; z-index: 2; }
.view { display: none; padding-top: 28px; }
.view.active { display: block; animation: fade .35s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.section-title {
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  text-transform: uppercase; letter-spacing: 0.2em; color: var(--ink-soft);
  margin-bottom: 14px; display: flex; align-items: center; gap: 10px;
}
.section-title::after { content: ''; flex: 1; height: 1px; background: var(--rule); }

.section-title.no-rule::after { display: none; }

/* ─── Buttons / Actions ─── */
.action {
  background: var(--ink); color: var(--bg);
  border: none; padding: 18px 20px; border-radius: 2px;
  text-align: left; cursor: pointer;
  font-family: inherit; font-size: 15px; font-weight: 500;
  display: flex; justify-content: space-between; align-items: center;
  transition: transform .15s; box-shadow: var(--shadow);
  width: 100%;
  margin-bottom: 10px;
}
.action:active { transform: scale(0.98); }
.action.secondary { background: var(--paper); color: var(--ink); border: 1px solid var(--rule); }
.action .arrow { font-family: 'Fraunces', serif; font-size: 22px; font-style: italic; }
.action .meta { font-family: 'JetBrains Mono', monospace; font-size: 10px; opacity: 0.65; margin-top: 2px; display: block; font-weight: 400; }
.action:disabled { opacity: 0.5; cursor: not-allowed; }

/* ─── Cards (sessions list) ─── */
.session-card {
  background: var(--paper); border: 1px solid var(--rule);
  padding: 16px 18px; border-radius: 2px;
  margin-bottom: 10px; cursor: pointer; transition: transform .15s;
  box-shadow: var(--shadow);
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.session-card:active { transform: scale(0.99); }
.session-card .title { font-family: 'Fraunces', serif; font-size: 18px; font-style: italic; font-weight: 600; margin-bottom: 4px; }
.session-card .meta { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.1em; }
.session-card .delete-btn {
  background: none; border: none; color: var(--ink-fade); cursor: pointer;
  font-size: 22px; padding: 4px 8px; border-radius: 2px;
  font-family: 'Fraunces', serif; font-style: italic;
}
.session-card .delete-btn:active { color: var(--accent); }

.empty {
  text-align: center; padding: 60px 20px; color: var(--ink-soft);
}
.empty .ornament { font-family: 'Fraunces', serif; font-style: italic; font-size: 48px; color: var(--accent-warm); margin-bottom: 12px; }
.empty .msg { font-family: 'Fraunces', serif; font-style: italic; font-size: 18px; color: var(--ink); margin-bottom: 8px; }
.empty .hint { font-size: 13px; }

/* ─── Forms ─── */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; font-family: 'JetBrains Mono', monospace; font-size: 9px;
  text-transform: uppercase; letter-spacing: 0.15em; color: var(--ink-soft); margin-bottom: 6px;
}
.form-group input, .form-group textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--rule); border-radius: 2px;
  background: var(--paper); font-family: 'Fraunces', serif; font-size: 16px; color: var(--ink);
  resize: vertical;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--ink); }
.form-group .hint { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--ink-fade); margin-top: 4px; display: block; }

/* ─── Tabs (Practice) ─── */
.tabs {
  display: flex; gap: 0; border-bottom: 1px solid var(--rule);
  margin-bottom: 20px;
}
.tab {
  flex: 1; background: none; border: none; padding: 12px 8px;
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.15em;
  color: var(--ink-fade); cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
}
.tab.active { color: var(--ink); border-bottom-color: var(--accent); }

/* ─── Prompt card (script / question) ─── */
.prompt-card {
  background: var(--paper); border: 1px solid var(--rule);
  padding: 20px 18px; border-radius: 2px;
  margin-bottom: 24px;
}
.prompt-card .prompt-label {
  font-family: 'JetBrains Mono', monospace; font-size: 9px;
  text-transform: uppercase; letter-spacing: 0.2em; color: var(--ink-soft);
  margin-bottom: 10px; display: flex; justify-content: space-between; align-items: center;
}
.prompt-card .prompt-content {
  font-family: 'Fraunces', serif; font-size: 17px; line-height: 1.55;
  white-space: pre-wrap;
}
.prompt-card .prompt-content.question {
  font-style: italic; color: var(--ink); font-size: 19px;
}
.listen-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; border: 1px solid var(--ink); color: var(--ink);
  padding: 8px 14px; border-radius: 100px;
  font-family: inherit; font-size: 12px; font-weight: 500; cursor: pointer;
}
.listen-btn:active { background: var(--ink); color: var(--bg); }
.listen-btn:disabled { opacity: 0.4; cursor: wait; }

/* ─── Mic ─── */
.mic-section { text-align: center; padding: 16px 0; }
.mic-button {
  width: 96px; height: 96px; border-radius: 50%; border: none;
  background: var(--accent); color: white; font-size: 36px; cursor: pointer;
  box-shadow: 0 8px 24px -8px rgba(196, 69, 54, 0.5);
  transition: transform .15s; position: relative;
}
.mic-button:active { transform: scale(0.95); }
.mic-button.recording { animation: pulse 1.2s ease-in-out infinite; }
.mic-button.processing { background: var(--gold); cursor: wait; animation: spin 1s linear infinite; }
.mic-button:disabled { opacity: 0.5; cursor: not-allowed; }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(196, 69, 54, 0.6); }
  50% { box-shadow: 0 0 0 18px rgba(196, 69, 54, 0); }
}
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.mic-label {
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  text-transform: uppercase; letter-spacing: 0.2em; color: var(--ink-soft); margin-top: 14px;
}

/* ─── Result block ─── */
.result-block { margin-top: 28px; }
.result-block .you-said {
  background: var(--paper); border-left: 3px solid var(--ink-soft);
  padding: 14px 16px; border-radius: 2px; margin-bottom: 16px;
}
.result-block .you-said .label {
  font-family: 'JetBrains Mono', monospace; font-size: 9px;
  text-transform: uppercase; letter-spacing: 0.15em; color: var(--ink-soft);
  margin-bottom: 6px;
}
.result-block .you-said .text {
  font-family: 'Fraunces', serif; font-size: 17px; font-style: italic; color: var(--ink);
  line-height: 1.45;
}

.score-strip {
  display: flex; gap: 10px; margin-bottom: 18px; align-items: center;
}
.score-pill {
  padding: 6px 12px; border-radius: 100px; font-family: 'JetBrains Mono', monospace;
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.1em;
  background: var(--paper); border: 1px solid var(--rule); color: var(--ink-soft);
}
.score-pill.good { background: var(--green); color: white; border-color: var(--green); }
.score-pill.mid { background: var(--gold); color: white; border-color: var(--gold); }
.score-pill.bad { background: var(--accent); color: white; border-color: var(--accent); }

.result-block .natural {
  background: var(--paper); border-left: 3px solid var(--green);
  padding: 16px 18px; border-radius: 2px; margin-bottom: 16px;
}
.result-block .natural .label {
  font-family: 'JetBrains Mono', monospace; font-size: 9px;
  text-transform: uppercase; letter-spacing: 0.15em; color: var(--green);
  margin-bottom: 8px;
}
.result-block .natural .text {
  font-family: 'Fraunces', serif; font-size: 18px; font-style: italic; color: var(--ink);
  line-height: 1.5;
}
.result-block .natural .listen-btn { margin-top: 12px; }

.result-block .summary {
  font-family: 'Fraunces', serif; font-size: 15px; line-height: 1.55;
  color: var(--ink); padding: 14px 16px; background: var(--paper-deep);
  border-radius: 2px; margin-bottom: 18px; font-style: italic;
}

/* ─── Errors list ─── */
.error-item {
  background: var(--paper); border-left: 3px solid var(--accent);
  padding: 12px 14px; border-radius: 2px; margin-bottom: 10px;
}
.error-item .head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 8px; gap: 12px;
}
.error-item .cat {
  font-family: 'JetBrains Mono', monospace; font-size: 9px;
  text-transform: uppercase; letter-spacing: 0.15em; color: var(--accent);
  font-weight: 600;
}
.error-item .count {
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  color: var(--ink-fade); background: var(--bg); padding: 2px 8px; border-radius: 100px;
}
.error-item .said {
  font-family: 'Fraunces', serif; font-size: 16px; font-style: italic;
  color: var(--ink-soft); text-decoration: line-through; text-decoration-color: var(--accent);
  margin-bottom: 4px;
}
.error-item .correct {
  font-family: 'Fraunces', serif; font-size: 16px; font-weight: 600; color: var(--ink);
  margin-bottom: 6px;
}
.error-item .why {
  font-family: 'Inter Tight', sans-serif; font-size: 13px; color: var(--ink-soft);
}

/* ─── Bottom nav ─── */
nav.bottom {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: rgba(250, 247, 242, 0.96);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--rule);
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  display: flex; justify-content: space-around; z-index: 10;
}
.nav-btn {
  background: none; border: none;
  font-family: 'JetBrains Mono', monospace; font-size: 9px;
  text-transform: uppercase; letter-spacing: 0.15em; color: var(--ink-soft);
  cursor: pointer; padding: 6px 10px;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
}
.nav-btn .icon { font-family: 'Fraunces', serif; font-size: 22px; font-style: italic; line-height: 1; }
.nav-btn.active { color: var(--ink); }
.nav-btn.active .icon { color: var(--accent); }

/* ─── Toast ─── */
.toast {
  position: fixed; bottom: 110px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: var(--bg);
  padding: 12px 20px; border-radius: 100px; font-size: 13px;
  z-index: 100; opacity: 0; transition: opacity .3s; pointer-events: none;
  box-shadow: var(--shadow); max-width: 90%; text-align: center;
}
.toast.show { opacity: 1; }

/* ─── Spinner inline ─── */
.spinner {
  display: inline-block; width: 14px; height: 14px;
  border: 2px solid var(--rule); border-top-color: var(--ink);
  border-radius: 50%; animation: spin 0.8s linear infinite;
  vertical-align: middle; margin-right: 8px;
}

/* ─── Responsive ─── */
@media (min-width: 600px) {
  .logo { font-size: 38px; }
  main { padding: 0 32px; }
}