/* Convo Trainer — dark, glassy, violet→cyan accent */

:root {
  --bg: #0a0a12;
  --violet: #8b5cf6;
  --cyan: #22d3ee;
  --gradient: linear-gradient(135deg, var(--violet), var(--cyan));
  --glass-bg: rgba(255, 255, 255, 0.045);
  --glass-bg-strong: rgba(255, 255, 255, 0.07);
  --glass-border: rgba(255, 255, 255, 0.09);
  --text: #f4f4f7;
  --text-dim: #a7a7b4;
  --text-faint: #6c6c78;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 11px;
  --red: #f0526b;
  --amber: #f5a742;
  --green: #33d17a;
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --shadow-soft: 0 20px 60px -20px rgba(0, 0, 0, 0.6);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
}

body {
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  margin: 0;
}

p {
  margin: 0;
}

button, input, textarea {
  font-family: inherit;
  color: inherit;
}

#bg-glow {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 15% -10%, rgba(139, 92, 246, 0.28), transparent 42%),
    radial-gradient(circle at 90% 8%, rgba(34, 211, 238, 0.2), transparent 38%),
    radial-gradient(circle at 50% 110%, rgba(139, 92, 246, 0.14), transparent 45%);
}

#app {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

.screen {
  display: none;
  min-height: 100vh;
}

.screen.active {
  display: block;
}

.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

.card {
  padding: 22px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-soft);
}

.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 18px 80px;
}

/* ---------- Buttons ---------- */

.btn {
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.15s ease, opacity 0.15s ease;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--gradient);
  color: #08080c;
}

.btn-primary:hover {
  filter: brightness(1.08);
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  filter: none;
}

.btn-lg {
  padding: 15px 28px;
  font-size: 1.02rem;
  border-radius: 14px;
}

.btn-block {
  width: 100%;
  display: block;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-dim);
  border: 1px dashed rgba(255, 255, 255, 0.18);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.32);
}

.btn-danger-ghost {
  background: transparent;
  color: var(--red);
  border: 1px solid rgba(240, 82, 107, 0.35);
}

.btn-danger-ghost:hover {
  background: rgba(240, 82, 107, 0.1);
}

.icon-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  color: var(--text);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.05rem;
  flex-shrink: 0;
}

/* ---------- Login ---------- */

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 360px;
  text-align: center;
  padding: 40px 30px;
}

.login-card.shake {
  animation: shake 0.4s ease;
}

.logo-mark {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--gradient);
  margin: 0 auto 18px;
  box-shadow: 0 8px 30px -8px rgba(139, 92, 246, 0.6);
}

.logo-mark-sm {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  margin: 0;
}

.login-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.login-sub {
  color: var(--text-dim);
  font-size: 0.88rem;
  margin-bottom: 26px;
}

#login-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#login-password {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.15s ease;
}

#login-password:focus {
  border-color: var(--violet);
}

.login-error {
  color: var(--red);
  font-size: 0.84rem;
  margin-top: 14px;
  min-height: 1em;
}

@keyframes shake {
  10%, 90% { transform: translateX(-1px); }
  20%, 80% { transform: translateX(3px); }
  30%, 50%, 70% { transform: translateX(-6px); }
  40%, 60% { transform: translateX(6px); }
}

/* ---------- Page header / brand ---------- */

.page-header {
  display: flex;
  align-items: center;
  margin-bottom: 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
}

/* ---------- Banner ---------- */

.banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  border-radius: var(--radius-md);
  font-size: 0.87rem;
  margin-bottom: 18px;
}

.banner-warn {
  background: rgba(245, 167, 66, 0.1);
  border: 1px solid rgba(245, 167, 66, 0.3);
  color: #ffcf8c;
}

.banner code {
  background: rgba(0, 0, 0, 0.35);
  padding: 2px 6px;
  border-radius: 5px;
  font-size: 0.82em;
}

/* ---------- Stat tiles ---------- */

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}

.stat-tile {
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px 10px;
  gap: 4px;
}

.stat-icon {
  font-size: 1.4rem;
  margin-bottom: 2px;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
}

.stat-label {
  color: var(--text-dim);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-tile-ring {
  position: relative;
}

.ring-svg circle {
  fill: none;
  stroke-width: 6;
}

.ring-track {
  stroke: rgba(255, 255, 255, 0.08);
}

.ring-fill {
  stroke: url(#unused);
  stroke: var(--cyan);
  stroke-linecap: round;
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
  transition: stroke-dashoffset 1.1s cubic-bezier(0.16, 1, 0.3, 1);
}

.ring-value {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
}

/* ---------- Spend tile ---------- */

.stat-tile-spend {
  grid-column: 1 / -1;
  flex-direction: column;
  align-items: stretch;
  text-align: left;
  padding: 16px 18px;
  gap: 10px;
}

.spend-head {
  display: flex;
  align-items: center;
  gap: 8px;
}

.spend-head .stat-icon {
  margin: 0;
  font-size: 1.15rem;
}

.spend-label {
  color: var(--text-dim);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.spend-amount {
  margin-left: auto;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
}

.spend-bar-track {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.spend-bar-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: var(--green);
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1), background 0.3s ease;
}

.spend-bar-fill.amber {
  background: var(--amber);
}

.spend-bar-fill.red {
  background: var(--red);
}

.spend-meta {
  color: var(--text-faint);
  font-size: 0.78rem;
}

.spend-budget-link {
  cursor: pointer;
  color: var(--text-dim);
  text-decoration: underline dotted;
  text-underline-offset: 2px;
}

.spend-budget-link:hover,
.spend-budget-link:focus {
  color: var(--text);
}

/* ---------- Dimension bars ---------- */

.dims-card { }

.dims-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.dims-header h2, .picker-card h2, .recent-card h2, .pattern-card h2, .drill-card h2 {
  font-size: 1.02rem;
  font-weight: 600;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.chip-weakness {
  background: rgba(240, 82, 107, 0.14);
  color: #ff8fa3;
  border: 1px solid rgba(240, 82, 107, 0.3);
}

.chip-focus {
  background: rgba(139, 92, 246, 0.16);
  color: #c9b6ff;
  border: 1px solid rgba(139, 92, 246, 0.35);
  white-space: nowrap;
  text-transform: none;
  font-size: 0.68rem;
  /* Never overlap the persona name: shrink with ellipsis instead */
  flex-shrink: 1;
  min-width: 0;
  max-width: 45%;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dims-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.dim-row {
  display: grid;
  grid-template-columns: 100px 1fr 34px;
  align-items: center;
  gap: 10px;
}

.dim-label {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.dim-row.dim-weakest .dim-label {
  color: #ff8fa3;
  font-weight: 600;
}

.dim-track {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  overflow: hidden;
}

.dim-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--gradient);
  transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.dim-row.dim-weakest .dim-fill {
  background: linear-gradient(135deg, var(--red), var(--amber));
}

.dim-graduated .dim-fill {
  background: linear-gradient(135deg, var(--green), var(--cyan));
}

.dim-val {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-align: right;
}

/* ---------- Persona picker ---------- */

.persona-row {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 4px 2px 14px;
  margin-bottom: 6px;
  scrollbar-width: thin;
}

/* Wide screens: wrap instead of scroll so every persona is visible at once */
@media (min-width: 720px) {
  .persona-row {
    flex-wrap: wrap;
    overflow-x: visible;
  }
}

.persona-card {
  flex: 0 0 auto;
  width: 168px;
  padding: 16px 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.persona-card:hover {
  transform: translateY(-2px);
}

.persona-card.selected {
  border-color: var(--violet);
  background: rgba(139, 92, 246, 0.1);
  box-shadow: 0 0 0 1px rgba(139, 92, 246, 0.4);
}

.persona-card.auto-pick {
  background: linear-gradient(160deg, rgba(139, 92, 246, 0.14), rgba(34, 211, 238, 0.08));
}

.persona-emoji {
  font-size: 1.6rem;
  margin-bottom: 8px;
  display: block;
}

.persona-name {
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 2px;
}

.persona-type {
  color: var(--text-dim);
  font-size: 0.72rem;
  margin-bottom: 8px;
}

.persona-difficulty {
  display: flex;
  gap: 3px;
  margin-bottom: 8px;
}

.diff-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}

.diff-dot.filled {
  background: var(--gradient);
}

.persona-trains {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.train-tag {
  font-size: 0.63rem;
  color: var(--text-faint);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  padding: 2px 6px;
}

.picker-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.toggle input {
  display: none;
}

.toggle-track {
  width: 40px;
  height: 22px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  position: relative;
  transition: background 0.2s ease;
  flex-shrink: 0;
}

.toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.2s ease;
}

.toggle input:checked + .toggle-track {
  background: var(--gradient);
}

.toggle input:checked + .toggle-track .toggle-thumb {
  transform: translateX(18px);
}

.toggle-label {
  font-size: 0.88rem;
  color: var(--text-dim);
}

.toggle-sub {
  color: var(--text-faint);
  font-size: 0.78rem;
}

/* ---------- Recent sessions ---------- */

.recent-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.empty-note {
  color: var(--text-faint);
  font-size: 0.85rem;
  padding: 10px 0;
}

.recent-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.recent-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--glass-border);
}

.recent-emoji {
  font-size: 1.3rem;
}

.recent-info {
  flex: 1;
  min-width: 0;
}

.recent-persona {
  font-weight: 600;
  font-size: 0.88rem;
}

.recent-date {
  color: var(--text-faint);
  font-size: 0.74rem;
}

.score-badge {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 5px 11px;
  border-radius: 999px;
  flex-shrink: 0;
}

.score-red { background: rgba(240, 82, 107, 0.15); color: var(--red); }
.score-amber { background: rgba(245, 167, 66, 0.15); color: var(--amber); }
.score-green { background: rgba(51, 209, 122, 0.15); color: var(--green); }
.score-gradient { background: var(--gradient); color: #08080c; }

/* ---------- Training screen ---------- */

.training-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-width: 720px;
  margin: 0 auto;
}

.training-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 16px 10px;
  flex-shrink: 0;
}

.training-persona {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

.training-emoji {
  font-size: 1.8rem;
  flex-shrink: 0;
}

.training-persona-text {
  min-width: 0;
}

.training-name {
  font-weight: 700;
  font-size: 1rem;
  font-family: var(--font-display);
}

.training-scenario {
  color: var(--text-dim);
  font-size: 0.78rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.progress-dots {
  display: flex;
  gap: 6px;
  padding: 0 16px 12px;
  flex-shrink: 0;
}

.pdot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  transition: background 0.2s ease;
}

.pdot.filled {
  background: var(--gradient);
}

.chat-thread {
  flex: 1;
  overflow-y: auto;
  padding: 6px 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bubble-row {
  display: flex;
  animation: slideIn 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  animation-fill-mode: backwards; /* honor per-bubble stagger delays */
}

/* One persona turn = one group; each newline in personaLine is its own
   bubble, packed tighter than the thread's 12px gap. */
.bubble-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.bubble-row.persona-row-msg {
  justify-content: flex-start;
}

.bubble-row.rey-row-msg {
  justify-content: flex-end;
}

.bubble {
  max-width: 78%;
  padding: 12px 15px;
  border-radius: 18px;
  font-size: 0.92rem;
  line-height: 1.45;
  border: 1px solid transparent;
  white-space: pre-wrap;
}

.bubble-persona {
  background: rgba(255, 255, 255, 0.055);
  border-color: var(--glass-border);
  border-bottom-left-radius: 5px;
  transition: border-color 1.8s ease, background 1.8s ease;
}

.bubble-persona.soured {
  border-color: rgba(240, 82, 107, 0.65);
  background: rgba(240, 82, 107, 0.08);
  transition: none;
}

.bubble-rey {
  background: var(--gradient);
  color: #08080c;
  font-weight: 500;
  border-bottom-right-radius: 5px;
}

.bubble-hint {
  align-self: center;
  max-width: 90%;
  border: 1px dashed rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-dim);
  font-size: 0.83rem;
  font-style: italic;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}

/* ---------- Score card ---------- */

.score-card {
  align-self: flex-end;
  max-width: 90%;
  width: 100%;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 14px;
  animation: scoreReveal 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.score-card-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}

.score-total-badge {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: 999px;
  padding: 7px 14px;
  flex-shrink: 0;
}

.score-worked {
  font-size: 0.82rem;
  color: var(--text-dim);
  flex: 1;
  white-space: pre-wrap;
}

.hinted-tag {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-faint);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  padding: 2px 6px;
  flex-shrink: 0;
}

.dim-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.dim-pill {
  font-size: 0.68rem;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  gap: 4px;
}

.dim-pill-mark {
  font-weight: 700;
}

.dim-pill.ok .dim-pill-mark { color: var(--green); }
.dim-pill.partial .dim-pill-mark { color: var(--amber); }
.dim-pill.miss .dim-pill-mark { color: var(--red); }

.better-toggle {
  background: none;
  border: none;
  color: var(--cyan);
  font-size: 0.78rem;
  cursor: pointer;
  padding: 4px 0;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.better-body {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--glass-border);
  font-size: 0.82rem;
  display: none;
}

.better-body.open {
  display: block;
}

.better-line {
  color: var(--text);
  margin-bottom: 6px;
  font-style: italic;
  white-space: pre-wrap;
}

.better-why {
  color: var(--text-dim);
  white-space: pre-wrap;
}

/* ---------- Composer ---------- */

.composer {
  flex-shrink: 0;
  padding: 12px 16px 20px;
  border-top: 1px solid var(--glass-border);
  background: rgba(10, 10, 18, 0.7);
  backdrop-filter: blur(14px);
}

#composer-input {
  width: 100%;
  resize: none;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-size: 0.92rem;
  outline: none;
  margin-bottom: 10px;
  max-height: 140px;
  transition: border-color 0.15s ease;
}

#composer-input:focus {
  border-color: var(--violet);
}

.composer-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

/* ---------- Summary screen ---------- */

.summary-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 32px 22px;
  position: relative;
}

.ring-svg-lg {
  margin-bottom: -100px;
}

.summary-ring-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.1rem;
  margin-bottom: 8px;
  margin-top: 6px;
}

.summary-meta {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.pattern-quote {
  margin: 10px 0;
  padding: 12px 16px;
  border-left: 3px solid var(--violet);
  background: rgba(139, 92, 246, 0.08);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  font-size: 0.92rem;
  white-space: pre-wrap;
}

.pattern-explain {
  color: var(--text-dim);
  font-size: 0.85rem;
  white-space: pre-wrap;
}

.drill-card p {
  color: var(--text-dim);
  font-size: 0.9rem;
  line-height: 1.5;
  white-space: pre-wrap;
}

/* ---------- Animations ---------- */

@keyframes slideIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scoreReveal {
  from { opacity: 0; transform: scale(0.94) translateY(6px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

/* ---------- Responsive ---------- */

@media (max-width: 560px) {
  .stat-row {
    gap: 8px;
  }
  .persona-card {
    width: 148px;
  }
  .page {
    padding: 18px 12px 70px;
  }
  .card {
    padding: 16px;
  }
  .dim-row {
    grid-template-columns: 82px 1fr 30px;
  }
}

@media (min-width: 720px) {
  .screen-training-wide {
    max-width: 760px;
  }
}