:root {
  --bg-primary: #ffffff;
  --bg-secondary: #ffffff;
  --bg-warm: #fafafa;
  --text: #2d2520;
  --text-muted: #5c4d42;
  --accent: #a64d3d;
  --accent-soft: #c47a6a;
  --clay: #a67c52;
  --clay-light: #d4b896;
  --card-bg: #faf7f2;
  --card-border: #e8dfd4;
  --card-flipped: #f5f0e8;
  --shadow: rgba(45, 37, 32, 0.08);
  --shadow-strong: rgba(45, 37, 32, 0.12);
  --container-padding: clamp(1rem, 4vw, 2rem);

  /* Component aliases (use palette above) */
  --surface: var(--bg-primary);
  --muted: var(--text-muted);
  --line: var(--card-border);
  --incoming-bg: var(--card-flipped);
  --outgoing-bg: var(--accent);
  --outgoing-text: #ffffff;
  --system-bg: var(--bg-warm);
  --system-border: var(--clay-light);
  --success-bg: #f1faf3;
  --success-border: #187d3f;
  --close-bg: #faf6f0;
  --retry-bg: #faf0ee;
  --focus: var(--accent);
  /* Reply field: very light clay wash (lighter than --clay-light) */
  --input-bg: #ffffff;
  --input-border: #e4d8cc;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg-warm);
  color: var(--text);
  font-family: "Hanken Grotesk", "Segoe UI", sans-serif;
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--container-padding);
}

.page-title {
  margin: 0 0 0.25rem;
  text-align: center;
  font-family: "Roboto Slab", Georgia, serif;
  color: var(--text);
}

.page-subtitle {
  margin: 0 0 1rem;
  text-align: center;
  color: var(--muted);
}

.app-layout {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.coach-panel {
  width: min(340px, 92vw);
  min-height: 120px;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Clue panel — simple “Clue” + hint; all Roboto Slab */
.coach-card--clue {
  margin-top: 1.75rem;
  padding: 1.35rem 1.4rem 1.45rem;
  border-width: 2px;
  border-color: var(--clay-light);
  background: linear-gradient(165deg, var(--card-bg) 0%, var(--card-flipped) 100%);
  box-shadow: 0 12px 28px var(--shadow-strong);
  font-family: "Roboto Slab", Georgia, "Times New Roman", serif;
}

.coach-card--clue .clue-heading {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  font-family: "Roboto Slab", Georgia, "Times New Roman", serif;
}

.coach-card--clue .clue-body {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.45;
  font-weight: 500;
  color: var(--text);
  font-family: "Roboto Slab", Georgia, "Times New Roman", serif;
}

.coach-card {
  border: 1px solid var(--card-border);
  border-radius: 12px;
  background: var(--card-bg);
  padding: 0.7rem 0.75rem;
  box-shadow: 0 8px 14px var(--shadow);
  animation: slideInLeft 180ms ease-out;
}

.coach-card h3 {
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
  font-family: "Roboto Slab", Georgia, serif;
}

.coach-card:not(.coach-card--clue) h3 {
  font-size: 0.95rem;
}

.coach-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.35;
}

.phone-frame {
  width: min(390px, 96vw);
  /* Fixed height ~600px; shrinks slightly on very short viewports */
  height: min(600px, calc(100vh - 10rem));
  max-height: 600px;
  background: var(--bg-primary);
  border: 3px solid var(--clay-light);
  border-radius: 28px;
  box-shadow: 0 12px 36px var(--shadow-strong);
  overflow: hidden;
}

.screen {
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* New-message overlay (no blur — chat stays readable behind dim layer) */
.new-message-modal {
  position: absolute;
  inset: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.new-message-modal.hidden {
  display: none;
}

.new-message-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(45, 37, 32, 0.14);
}

.new-message-modal__card {
  position: relative;
  z-index: 1;
  width: min(300px, 92%);
  padding: 1.15rem 1.1rem 1rem;
  border-radius: 16px;
  background: var(--bg-primary);
  border: 1px solid var(--card-border);
  box-shadow: 0 18px 40px var(--shadow-strong);
  text-align: center;
  animation: modalPop 200ms ease-out;
}

.new-message-modal__eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  font-family: "Roboto Slab", Georgia, serif;
}

.new-message-modal__card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
  font-family: "Roboto Slab", Georgia, serif;
  font-weight: 700;
  line-height: 1.3;
}

.new-message-modal__sub {
  margin: 0 0 0.85rem;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.35;
}

.new-message-modal__btn {
  width: 100%;
  border: none;
  border-radius: 12px;
  padding: 0.65rem 0.9rem;
  font: inherit;
  font-weight: 700;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

.new-message-modal__btn:hover,
.new-message-modal__btn:focus-visible {
  background: var(--accent-soft);
}

@keyframes modalPop {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(6px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.hidden {
  display: none;
}

.panel-header,
.chat-topbar {
  padding: 1rem;
  border-bottom: 1px solid var(--line);
}

.chat-topbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.chats-btn {
  flex-shrink: 0;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 0.35rem 0.55rem;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  background: var(--card-bg);
  color: var(--text);
  cursor: pointer;
}

.chats-btn:hover,
.chats-btn:focus-visible {
  background: var(--card-flipped);
}

.chats-list-panel {
  position: absolute;
  inset: 0;
  z-index: 25;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  padding: 0.75rem 0.85rem 1rem;
}

.chats-list-panel.hidden {
  display: none;
}

.chats-list-panel__header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
}

.chats-list-panel__back {
  border: none;
  background: none;
  font: inherit;
  font-weight: 700;
  color: var(--accent);
  cursor: pointer;
  padding: 0.25rem;
}

.chats-list-panel__title {
  margin: 0;
  font-family: "Roboto Slab", Georgia, serif;
  font-size: 1.05rem;
}

.chats-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.chats-list__row {
  width: 100%;
  text-align: left;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 0.65rem 0.75rem;
  font: inherit;
  background: var(--card-bg);
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem;
}

.chats-list__row:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.chats-list__hint {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 500;
}

.history-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0.45rem 0.75rem;
  background: var(--card-flipped);
  border-bottom: 1px solid var(--card-border);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
}

.history-banner.hidden {
  display: none;
}

.history-banner__back {
  border: none;
  background: none;
  font: inherit;
  font-weight: 700;
  color: var(--accent);
  cursor: pointer;
  padding: 0.2rem 0;
}

.thread-avatar,
.preview-avatar,
.msg-avatar {
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--card-border);
  background: var(--bg-warm);
}

.msg-avatar {
  width: 36px;
  height: 36px;
}

.panel-header h2,
.chat-topbar h2,
.thread-name,
.input-label {
  font-family: "Roboto Slab", Georgia, serif;
}

.panel-header h2,
.chat-topbar h2 {
  margin: 0;
}

.chat-topbar-text {
  flex: 1;
  min-width: 0;
}

.chat-topbar-text .topic-label {
  margin-bottom: 0.2rem;
}

.chat-topbar h2#threadTitle {
  font-size: 1.08rem;
  line-height: 1.2;
}

.helper-copy {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.preview-screen {
  justify-content: flex-start;
}

.preview-card {
  margin: 1rem;
  padding: 1rem;
  border: 1px solid var(--card-border);
  border-radius: 16px;
  background: var(--card-bg);
  text-align: left;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
  width: calc(100% - 2rem);
}

.preview-card-inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.preview-card-text {
  flex: 1;
  min-width: 0;
}

.preview-card:hover,
.preview-card:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px var(--shadow-strong);
}

.preview-card p {
  margin: 0.2rem 0;
}

.new-label {
  display: inline-block;
  margin-bottom: 0.5rem;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--clay-light);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
}

.thread-name {
  font-size: 1.05rem;
  font-weight: 700;
}

.thread-preview {
  color: var(--muted);
}

.topic-label {
  margin: 0 0 0.15rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-family: "Roboto Slab", Georgia, serif;
}

.topic-label--preview {
  margin: 0.35rem 0 0.5rem;
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: var(--card-flipped);
  border: 1px solid var(--clay-light);
  letter-spacing: 0.1em;
}

.message-list {
  flex: 1;
  overflow-y: auto;
  padding: 0.9rem 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.message-row {
  display: flex;
  gap: 0.45rem;
  align-items: flex-start;
}

.message-row.incoming {
  justify-content: flex-start;
  align-items: flex-start;
}

/* Name on its own row; avatar sits beside the bubble only (aligned with message text) */
.incoming-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 88%;
}

.incoming-line {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.45rem;
  width: 100%;
}

.message-row.outgoing {
  justify-content: flex-end;
}

.message-row.system {
  justify-content: center;
}

.message-row.thread-switch {
  justify-content: center;
}

.bubble {
  max-width: 100%;
  padding: 0.6rem 0.75rem;
  border-radius: 14px;
  line-height: 1.35;
  font-size: 0.97rem;
}

.incoming .bubble {
  background: var(--incoming-bg);
  border-top-left-radius: 6px;
}

.incoming .msg-meta {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  margin: 0 0 0.2rem;
  /* Line up with bubble text (same inset as avatar + gap) */
  padding-left: calc(36px + 0.45rem);
}

.outgoing .bubble {
  background: var(--outgoing-bg);
  color: var(--outgoing-text);
  border-top-right-radius: 6px;
}

.bubble.system {
  background: var(--system-bg);
  border: 1px dashed var(--system-border);
  color: var(--text-muted);
  font-size: 0.92rem;
  max-width: 90%;
}

.thread-switch-card {
  width: 100%;
  max-width: 92%;
  text-align: center;
  padding: 0.55rem 0.75rem;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  background: linear-gradient(180deg, var(--card-bg) 0%, var(--card-flipped) 100%);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
}

.feedback-card,
.complete-card {
  max-width: 85%;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 0.65rem 0.75rem;
  background: var(--card-bg);
}

.feedback-card {
  margin-left: auto;
}

.feedback-card p {
  margin: 0.15rem 0;
}

.feedback-status {
  font-weight: 700;
}

.feedback-card.correct {
  background: var(--success-bg);
  border-left: 5px solid var(--success-border);
}

.feedback-card.close {
  background: var(--close-bg);
  border-left: 5px solid var(--clay-light);
}

.feedback-card.incorrect {
  background: var(--retry-bg);
  border-left: 5px solid var(--accent);
}

.composer-wrap {
  border-top: 1px solid var(--card-border);
  background: var(--bg-primary);
}

.reply-dock {
  padding: 0.7rem;
}

.input-label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
}

.reply-row {
  display: flex;
  gap: 0.45rem;
}

#replyInput {
  width: 100%;
  border: 1px solid var(--input-border);
  border-radius: 10px;
  padding: 0.6rem 0.7rem;
  font: inherit;
  color: var(--text);
  background: var(--input-bg);
}

#sendBtn,
.restart-btn {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 0.58rem 0.8rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

#sendBtn {
  background: var(--accent);
  color: #fff;
}

#sendBtn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.complete-card {
  margin: 0.2rem auto 0.5rem;
  text-align: center;
}

.complete-card h3 {
  margin: 0.2rem 0 0.4rem;
  font-family: "Roboto Slab", Georgia, serif;
}

.complete-card p {
  margin: 0 0 0.6rem;
}

.restart-btn {
  background: var(--clay);
  color: #fff;
}

.restart-btn:hover,
.restart-btn:focus-visible {
  background: var(--clay-light);
  color: var(--text);
}

#sendBtn:hover,
#sendBtn:focus-visible {
  background: var(--accent-soft);
}

button:focus-visible,
input:focus-visible {
  outline: 3px solid color-mix(in oklab, var(--accent), white 35%);
  outline-offset: 2px;
}

@media (max-width: 520px) {
  .app-layout {
    flex-direction: column;
    align-items: center;
    width: 100%;
  }

  .coach-panel {
    width: min(390px, 96vw);
    order: 2;
  }

  .coach-card--clue {
    margin-top: 0.5rem;
  }

  .page-title {
    font-size: 1.4rem;
  }

  .phone-frame {
    width: 100%;
    height: min(600px, calc(100vh - 9rem));
    max-height: 600px;
    order: 1;
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}