:root {
  color-scheme: light;
  --bg: #f7f4ec;
  --panel: #fffdf8;
  --panel-strong: #f0efe7;
  --ink: #27241f;
  --muted: #68645c;
  --line: #d9d4c8;
  --accent: #0f766e;
  --accent-ink: #ffffff;
  --coral: #b45336;
  --gold: #a16207;
  --blue: #315c86;
  --shadow: 0 18px 50px rgba(48, 43, 34, 0.12);
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #171615;
  --panel: #22211f;
  --panel-strong: #2c2a27;
  --ink: #f5f0e8;
  --muted: #b9b0a2;
  --line: #46423c;
  --accent: #45b6a8;
  --accent-ink: #10201d;
  --coral: #e09073;
  --gold: #d7a53e;
  --blue: #91b8db;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.26);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.08), transparent 32%),
    linear-gradient(225deg, rgba(180, 83, 54, 0.08), transparent 30%),
    var(--bg);
  color: var(--ink);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  width: min(1220px, 100%);
  margin: 0 auto;
  padding: max(18px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 6px 0 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  box-shadow: 0 10px 26px rgba(15, 118, 110, 0.18);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(1.2rem, 1rem + 1vw, 1.75rem);
  line-height: 1.1;
}

h2 {
  font-size: 1rem;
  line-height: 1.2;
}

.brand p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.86rem;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(290px, 0.82fr) minmax(320px, 1.2fr) minmax(250px, 0.72fr);
  gap: 14px;
  align-items: start;
}

.composer,
.results,
.history-panel {
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
}

.section-head {
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.field {
  display: grid;
  gap: 7px;
  margin-bottom: 12px;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

label,
.label {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 650;
}

select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--ink);
  outline: none;
}

select {
  height: 42px;
  padding: 0 34px 0 11px;
}

textarea {
  resize: vertical;
  min-height: 92px;
  padding: 11px;
  line-height: 1.55;
}

select:focus,
textarea:focus,
input[type="range"]:focus-visible,
button:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 54%, transparent);
  outline-offset: 2px;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.segmented label,
.switches label {
  min-width: 0;
}

.segmented input,
.switches input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.segmented span {
  display: grid;
  place-items: center;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--muted);
  font-size: 0.9rem;
  white-space: nowrap;
}

.segmented input:checked + span {
  border-color: color-mix(in srgb, var(--accent) 62%, var(--line));
  background: color-mix(in srgb, var(--accent) 14%, var(--panel));
  color: var(--ink);
  font-weight: 750;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.switches {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 2px 0 14px;
}

.switches span {
  display: grid;
  place-items: center;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-strong);
  color: var(--muted);
  font-size: 0.86rem;
  text-align: center;
}

.switches input:checked + span {
  background: color-mix(in srgb, var(--gold) 15%, var(--panel));
  border-color: color-mix(in srgb, var(--gold) 45%, var(--line));
  color: var(--ink);
}

.primary-button,
.ghost-button,
.icon-button,
.drawer-toggle,
.small-button {
  border: 1px solid transparent;
  border-radius: var(--radius);
  min-height: 40px;
}

.primary-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 800;
  box-shadow: 0 12px 28px rgba(15, 118, 110, 0.22);
}

.primary-button:disabled {
  cursor: wait;
  opacity: 0.72;
}

.ghost-button,
.small-button,
.icon-button,
.drawer-toggle {
  background: color-mix(in srgb, var(--panel) 72%, var(--panel-strong));
  border-color: var(--line);
  color: var(--ink);
}

.ghost-button {
  padding: 0 11px;
  font-size: 0.88rem;
}

.icon-button {
  width: 42px;
  flex: 0 0 42px;
  font-size: 1.08rem;
}

.analysis-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.analysis-strip div {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
  background: var(--panel-strong);
}

.analysis-strip span {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  margin-bottom: 5px;
}

.analysis-strip strong {
  display: block;
  overflow-wrap: anywhere;
  font-size: 0.92rem;
}

.engine-status {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 11px 12px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 10%, transparent), transparent 55%),
    var(--panel-strong);
}

.engine-status strong {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--gold) 18%, var(--panel));
  color: var(--ink);
  font-size: 0.82rem;
}

.engine-status strong[data-source="minimax"] {
  background: color-mix(in srgb, var(--accent) 18%, var(--panel));
}

.engine-status p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
}

.coach-panel {
  margin-bottom: 12px;
  border: 1px solid color-mix(in srgb, var(--accent) 24%, var(--line));
  border-radius: var(--radius);
  padding: 12px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--gold) 10%, transparent), transparent 60%),
    color-mix(in srgb, var(--panel-strong) 86%, transparent);
}

.coach-panel strong {
  display: block;
  font-size: 0.92rem;
}

.coach-panel p {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.reply-list {
  display: grid;
  gap: 10px;
}

.reply-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}

.reply-card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 44px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-strong) 78%, transparent);
}

.reply-card h3 {
  margin: 0;
  font-size: 0.95rem;
}

.reply-meta {
  min-width: 0;
}

.reply-health {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 5px;
}

.reply-score,
.reply-ready,
.reply-check-pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  font-size: 0.75rem;
}

.reply-score {
  border: 1px solid color-mix(in srgb, var(--blue) 36%, var(--line));
  background: color-mix(in srgb, var(--blue) 10%, var(--panel));
}

.reply-score-best {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  background: color-mix(in srgb, var(--accent) 14%, var(--panel));
}

.reply-ready {
  border: 1px solid color-mix(in srgb, var(--accent) 38%, var(--line));
  background: color-mix(in srgb, var(--accent) 10%, var(--panel));
}

.reply-actions {
  display: flex;
  gap: 6px;
  flex: 0 0 auto;
}

.small-button {
  min-height: 32px;
  padding: 0 9px;
  font-size: 0.82rem;
}

.reply-body {
  margin: 0;
  padding: 12px;
  white-space: pre-wrap;
  line-height: 1.65;
  font-size: 0.96rem;
}

.refine-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 12px 12px;
}

.chip-button {
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid color-mix(in srgb, var(--accent) 24%, var(--line));
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 8%, var(--panel));
  color: var(--ink);
  font-size: 0.8rem;
}

.chip-button-strong {
  background: color-mix(in srgb, var(--accent) 14%, var(--panel));
  border-color: color-mix(in srgb, var(--accent) 42%, var(--line));
}

.outcome-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 12px 10px;
}

.reply-note {
  padding: 0 12px 12px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
}

.prompt-drawer {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.drawer-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 11px;
}

pre {
  margin: 0;
  padding: 12px;
  max-height: 260px;
  overflow: auto;
  white-space: pre-wrap;
  line-height: 1.55;
  background: var(--panel-strong);
  color: var(--ink);
}

.chip-button-strong {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  background: color-mix(in srgb, var(--accent) 16%, var(--panel));
  font-weight: 700;
}

.reply-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 12px 12px;
}

.reply-check-pill {
  border: 1px solid color-mix(in srgb, var(--gold) 45%, var(--line));
  background: color-mix(in srgb, var(--gold) 11%, var(--panel));
  color: var(--ink);
}

.reply-check-pass {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--line));
  background: color-mix(in srgb, var(--accent) 10%, var(--panel));
}

.history-list {
  display: grid;
  gap: 8px;
}

.insight-panel {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.panel-tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 9px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--blue) 15%, var(--panel));
  color: var(--muted);
  font-size: 0.78rem;
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.insight-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--gold) 8%, transparent), transparent 55%),
    var(--panel-strong);
}

.insight-card span {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
  margin-bottom: 4px;
}

.insight-card strong {
  font-size: 1.05rem;
}

.insight-note {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.outcome-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.outcome-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
  background: color-mix(in srgb, var(--panel-strong) 84%, transparent);
}

.outcome-item strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.88rem;
}

.outcome-item span,
.outcome-empty {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.empty-state,
.history-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
  background: var(--panel-strong);
}

.empty-state {
  color: var(--muted);
  line-height: 1.45;
}

.history-item strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.88rem;
}

.history-item span {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.history-actions {
  display: flex;
  gap: 6px;
  margin-top: 10px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(18px + env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(18px);
  min-width: min(86vw, 320px);
  max-width: 92vw;
  padding: 11px 14px;
  border-radius: var(--radius);
  background: #27241f;
  color: #fff;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
  z-index: 20;
}

.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 980px) {
  .workspace {
    grid-template-columns: 1fr 1fr;
  }

  .history-panel {
    grid-column: 1 / -1;
  }
}

@media (max-width: 720px) {
  .app-shell {
    padding-left: max(10px, env(safe-area-inset-left));
    padding-right: max(10px, env(safe-area-inset-right));
  }

  .topbar {
    padding-bottom: 12px;
  }

  .workspace,
  .analysis-strip {
    grid-template-columns: 1fr;
  }

  .composer,
  .results,
  .history-panel {
    padding: 12px;
  }

  .switches {
    grid-template-columns: 1fr;
  }

  .field-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
}