/* Design tokens — mirrors FitnessCoach/DesignSystem/Theme.swift one-to-one. */
:root {
  --primary: #FF5A1F;
  --active: #FF6B1A;
  --light-orange: #FFF2EB;
  --main-text: #171717;
  --secondary-text: #71717A;
  --border: #ECECEC;
  --background: #FFFFFF;
  --surface: #FAFAFA;
  --success: #22A559;
  --mascot-ink: #3D1C0C;

  --page-padding: 20px;
  --card-radius: 22px;
  --button-radius: 22px;
  --card-spacing: 14px;
  --tap-target: 44px;
}

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

html, body {
  margin: 0;
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
    "Helvetica Neue", "Microsoft YaHei", sans-serif;
  color: var(--main-text);
  background: #F4F4F5;
  -webkit-font-smoothing: antialiased;
}

button {
  font: inherit;
  color: inherit;
  border: 0;
  background: none;
  padding: 0;
  cursor: pointer;
}

input {
  font: inherit;
  border: 0;
  background: none;
  outline: none;
  color: inherit;
  min-width: 0;
}
input::placeholder { color: var(--secondary-text); }

.icon { display: block; flex: none; }
.mono { font-variant-numeric: tabular-nums; }

/* ---------- Stage & phone frame ---------- */

.stage {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 28px 16px;
}

.phone {
  width: 390px;
  height: 844px;
  max-height: calc(100vh - 130px);
  border-radius: 46px;
  padding: 10px;
  background: #1B1B1F;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .28), 0 2px 6px rgba(0, 0, 0, .16);
  flex: none;
}

.phone-screen {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 38px;
  overflow: hidden;
  background: var(--background);
}

.stage-note {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: center;
  font-size: 13px;
  color: var(--secondary-text);
  max-width: 420px;
}
.stage-note strong { color: var(--main-text); font-size: 14px; font-weight: 600; }

/* Phones: drop the frame, run full-bleed. */
@media (max-width: 460px), (max-height: 720px) {
  .stage { padding: 0; gap: 0; justify-content: flex-start; }
  .phone {
    width: 100%;
    height: 100dvh;
    max-height: none;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
    background: var(--background);
  }
  .phone-screen { border-radius: 0; }
  .stage-note { display: none; }
}

/* ---------- Page shell ---------- */

.screen-host { position: absolute; inset: 0; }

.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  background: var(--background);
  padding-top: env(safe-area-inset-top);
}

.fade-in { animation: fade-in .25s ease-out both; }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

.shell-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.scroll {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.scroll-inner {
  display: flex;
  flex-direction: column;
  gap: var(--card-spacing);
  padding: 0 var(--page-padding) 16px;
}

.bottom-bar {
  border-top: 1px solid var(--border);
  background: var(--background);
  padding: 12px var(--page-padding) calc(8px + env(safe-area-inset-bottom));
  animation: rise-in .25s ease-out both;
}
@keyframes rise-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

/* ---------- Header ---------- */

.header { padding: 0 var(--page-padding); }

.header--large {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 8px;
  padding-bottom: 14px;
}
.header--large .header-title { font-size: 28px; font-weight: 700; }

.header--nav {
  position: relative;
  display: flex;
  align-items: center;
  height: var(--tap-target);
  padding-bottom: 6px;
}
.header--nav .header-title {
  position: absolute;
  left: 0; right: 0;
  text-align: center;
  font-size: 18px;
  font-weight: 600;
  pointer-events: none;
}
.header--nav .header-trailing { margin-left: auto; }

.icon-btn {
  width: var(--tap-target);
  height: var(--tap-target);
  border-radius: 50%;
  background: var(--surface);
  display: grid;
  place-items: center;
  color: var(--main-text);
  transition: transform .12s ease, background .15s ease;
}
.icon-btn:active { transform: scale(.94); }
.icon-btn.tint-primary { color: var(--primary); }
.icon-btn.tint-secondary { color: var(--secondary-text); }

/* ---------- Card ---------- */

.card {
  padding: 16px;
  border-radius: var(--card-radius);
  background: var(--background);
  border: 1px solid var(--border);
  box-shadow: 0 2px 6px rgba(0, 0, 0, .03);
}
.card.selected { border-color: var(--primary); border-width: 1.5px; }

/* ---------- Memory chips ---------- */

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; padding-bottom: 2px; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--secondary-text);
  white-space: nowrap;
}
.chip .icon { color: var(--primary); }

.memory-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 16px;
  border-radius: var(--card-radius);
  background: var(--light-orange);
}
.memory-note h3 { margin: 0 0 6px; font-size: 15px; font-weight: 600; }
.memory-note p { margin: 0; font-size: 15px; color: var(--secondary-text); line-height: 1.5; }

/* ---------- Plan card ---------- */

.plan-card-head { display: flex; align-items: center; gap: 12px; }

.plan-thumb {
  border-radius: 16px;
  background: var(--light-orange);
  color: var(--primary);
  display: grid;
  place-items: center;
  flex: none;
}

.plan-card-title { font-size: 17px; font-weight: 600; }
.plan-card-tags {
  font-size: 13px;
  color: var(--secondary-text);
  margin-top: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.plan-card-check { margin-left: auto; color: var(--primary); animation: pop-in .2s ease-out both; }
@keyframes pop-in { from { opacity: 0; transform: scale(.7); } to { opacity: 1; transform: none; } }

.plan-preview { display: flex; flex-direction: column; gap: 8px; margin-top: 14px; }
.plan-preview-row { display: flex; align-items: center; gap: 8px; font-size: 15px; }
.plan-preview-row span:last-child {
  margin-left: auto;
  font-size: 13px;
  color: var(--secondary-text);
}

/* ---------- Plan section ---------- */

.section-head { display: flex; align-items: center; gap: 8px; }
.section-head .icon { color: var(--primary); }
.section-title { font-size: 17px; font-weight: 600; }
.section-duration { font-size: 13px; color: var(--secondary-text); }
.section-subtitle { font-size: 15px; color: var(--secondary-text); margin-top: 14px; line-height: 1.5; }

.exercise-list { display: flex; flex-direction: column; gap: 12px; margin-top: 14px; }
.exercise-row { display: flex; align-items: flex-start; gap: 10px; }
.exercise-index {
  width: 20px; height: 20px;
  flex: none;
  border-radius: 50%;
  background: var(--light-orange);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  display: grid;
  place-items: center;
}
.exercise-name { font-size: 15px; font-weight: 500; }
.exercise-weight { font-size: 13px; color: var(--secondary-text); margin-top: 2px; }
.exercise-volume { margin-left: auto; font-size: 13px; color: var(--secondary-text); }

/* ---------- AI style selector ---------- */

.style-selector { padding-top: 4px; }
.style-head { display: flex; align-items: center; gap: 8px; min-height: 28px; }
.style-head h3 { margin: 0; font-size: 17px; font-weight: 600; }

.style-tooltip {
  margin-left: auto;
  font-size: 12px;
  color: #fff;
  background: rgba(23, 23, 23, .9);
  padding: 6px 10px;
  border-radius: 999px;
  animation: tooltip-in .2s ease-out both;
}
@keyframes tooltip-in { from { opacity: 0; transform: translateX(8px); } to { opacity: 1; transform: none; } }

.style-options { display: flex; gap: 8px; margin-top: 10px; }
.style-option {
  flex: 1;
  height: var(--tap-target);
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--secondary-text);
  font-size: 14px;
  font-weight: 500;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.style-option.on {
  background: var(--primary);
  border-color: transparent;
  color: #fff;
}

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

.primary-btn {
  width: 100%;
  height: 52px;
  border-radius: var(--button-radius);
  background: var(--primary);
  color: #fff;
  font-size: 17px;
  font-weight: 600;
  transition: transform .12s ease, opacity .15s ease;
}
.primary-btn:active { transform: scale(.985); }

.ghost-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 90, 31, .1);
  color: var(--primary);
  font-size: 14px;
  font-weight: 500;
  transition: transform .12s ease;
}
.ghost-btn:active { transform: scale(.96); }

/* ---------- Current task card ---------- */

.task-card-wrap {
  padding: 0 var(--page-padding) 10px;
  background: var(--background);
  flex: none;
}

.task-card { display: flex; flex-direction: column; gap: 12px; }
.task-card-top { display: flex; align-items: flex-start; gap: 12px; }
.task-secondary { font-size: 12px; font-weight: 500; color: var(--primary); margin-bottom: 6px; }
.task-title { font-size: 20px; font-weight: 600; }
.task-metrics { font-size: 15px; font-weight: 500; color: var(--secondary-text); margin-top: 6px; }
.task-card-top .mascot { margin-left: auto; }

.task-progress-row { display: flex; align-items: center; gap: 8px; }
.task-progress-label { font-size: 15px; font-weight: 600; }
.task-venue {
  margin-left: auto;
  font-size: 13px;
  color: var(--secondary-text);
  white-space: nowrap;
}

.progress-track {
  height: 6px;
  border-radius: 999px;
  background: var(--border);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--primary);
  transition: width .4s ease-in-out;
}

.accessory { display: flex; align-items: center; gap: 10px; min-height: 36px; }

.set-dots { display: flex; gap: 6px; }
.set-dot {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--border);
  display: grid;
  place-items: center;
  color: #fff;
  transition: background .32s cubic-bezier(.2, .9, .3, 1.2);
}
.set-dot .icon { opacity: 0; transform: scale(.5); transition: opacity .2s ease, transform .32s cubic-bezier(.2, .9, .3, 1.4); }
.set-dot.done { background: var(--success); }
.set-dot.done .icon { opacity: 1; transform: none; }

.accessory-done {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--success);
}

.rest-timer {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  height: var(--tap-target);
  padding: 0 12px;
  border-radius: 14px;
  background: var(--light-orange);
  animation: fade-in .25s ease-out both;
}
.rest-timer .icon { color: var(--primary); }
.rest-label { font-size: 15px; font-weight: 500; }
.rest-clock { font-size: 15px; font-weight: 600; color: var(--primary); }
.rest-skip { margin-left: auto; font-size: 13px; font-weight: 500; color: var(--secondary-text); }

/* ---------- Chat ---------- */

.chat { flex: 1; overflow-y: auto; overscroll-behavior: contain; }
.chat-inner {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px var(--page-padding);
}

.bubble-row { display: flex; align-items: flex-end; gap: 8px; animation: bubble-in .22s ease-out both; }
@keyframes bubble-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.bubble {
  max-width: calc(100% - 40px);
  padding: 10px 14px;
  border-radius: 18px;
  font-size: 15px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}
.bubble-row.assistant .bubble {
  background: var(--surface);
  border: 1px solid var(--border);
}
.bubble-row.user { justify-content: flex-end; }
.bubble-row.user .bubble { background: var(--primary); color: #fff; }

.typing {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 36px;
  padding: 0 14px;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
}
.typing i {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--secondary-text);
  opacity: .3;
  animation: typing-dot .84s infinite ease-in-out;
}
.typing i:nth-child(2) { animation-delay: .28s; }
.typing i:nth-child(3) { animation-delay: .56s; }
@keyframes typing-dot { 0%, 66% { opacity: .3; } 12%, 44% { opacity: .85; } }

/* ---------- Input bar ---------- */

.input-bar {
  border-top: 1px solid var(--border);
  background: var(--background);
  padding: 10px var(--page-padding) calc(6px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: none;
}

.voice-state {
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  animation: fade-in .2s ease-out both;
}

.input-row { display: flex; align-items: center; gap: 10px; }
.input-row.voice { justify-content: space-between; }

.mic-btn {
  position: relative;
  width: 96px; height: 96px;
  display: grid;
  place-items: center;
  flex: none;
}
.mic-core {
  width: 66px; height: 66px;
  border-radius: 50%;
  background: var(--primary);
  display: grid;
  place-items: center;
  color: #fff;
  z-index: 1;
  transition: background .2s ease;
}
.mic-btn.busy .mic-core { background: var(--active); }
.mic-ring {
  position: absolute;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0;
}
.mic-ring.r1 { width: 96px; height: 96px; opacity: .14; }
.mic-ring.r2 { width: 82px; height: 82px; opacity: .18; }
.mic-btn.listening .mic-ring.r1 { animation: breathe 2s ease-in-out infinite; }
.mic-btn.listening .mic-ring.r2 { animation: breathe-sm 2s ease-in-out infinite; }
.mic-btn.listening .mic-core { animation: breathe-core 2s ease-in-out infinite; }
@keyframes breathe { 0%, 100% { transform: scale(.92); } 50% { transform: scale(1.08); } }
@keyframes breathe-sm { 0%, 100% { transform: scale(.95); } 50% { transform: scale(1.05); } }
@keyframes breathe-core { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.03); } }
.mic-btn:not(.listening) .mic-ring { display: none; }

.text-field {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  height: var(--tap-target);
  padding: 0 12px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
}
.text-field input { flex: 1; font-size: 15px; }

.send-btn {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: grid;
  place-items: center;
  flex: none;
  transition: opacity .15s ease;
}
.send-btn:disabled { opacity: .35; cursor: default; }

/* ---------- Review ---------- */

.review-row { display: flex; align-items: center; gap: 8px; font-size: 15px; }
.review-rows { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.review-row .detail { margin-left: auto; font-size: 13px; color: var(--secondary-text); }
.review-row.untouched .name { color: var(--secondary-text); }
.section-head .status { margin-left: auto; }
.status.done { color: var(--success); }
.status.pending { color: var(--secondary-text); }
.status.partial { color: var(--primary); }
.status.empty { color: var(--border); }

.metric-row { display: flex; gap: 10px; }
.metric {
  flex: 1;
  padding: 14px 6px;
  border-radius: 16px;
  background: var(--surface);
  text-align: center;
}
.metric-value { font-size: 17px; font-weight: 600; }
.metric-label { font-size: 12px; color: var(--secondary-text); margin-top: 4px; }

/* ---------- Confirmation sheet ---------- */

.sheet-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, .28);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 10px;
  padding-bottom: calc(10px + env(safe-area-inset-bottom));
  animation: fade-in .2s ease-out both;
  z-index: 10;
}
.sheet {
  display: flex;
  flex-direction: column;
  gap: 8px;
  animation: rise-in .24s cubic-bezier(.2, .8, .3, 1) both;
}
.sheet-group {
  border-radius: 14px;
  overflow: hidden;
  background: rgba(250, 250, 250, .96);
  backdrop-filter: blur(20px);
}
.sheet-title {
  padding: 14px 16px;
  font-size: 13px;
  color: var(--secondary-text);
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.sheet-action {
  width: 100%;
  height: 56px;
  font-size: 17px;
  color: var(--primary);
  border-bottom: 1px solid var(--border);
}
.sheet-action:last-child { border-bottom: 0; }
.sheet-cancel {
  width: 100%;
  height: 56px;
  border-radius: 14px;
  background: #fff;
  font-size: 17px;
  font-weight: 600;
  color: var(--main-text);
}

/* ---------- Welcome ---------- */

.header-subtitle { font-size: 15px; color: var(--secondary-text); margin-top: 4px; line-height: 1.4; }

.step-indicator {
  display: flex;
  gap: 6px;
  padding: 0 var(--page-padding) 18px;
}
.step-indicator span {
  flex: 1;
  height: 4px;
  border-radius: 999px;
  background: var(--border);
  transition: background .25s ease;
}
.step-indicator span.on { background: var(--primary); }

.step-in { animation: step-in .25s ease-out both; }
@keyframes step-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.welcome-hero { display: flex; justify-content: center; padding: 4px 0; }

.highlight { display: flex; align-items: flex-start; gap: 12px; }
.highlight-icon {
  width: 28px; height: 28px;
  flex: none;
  display: grid;
  place-items: center;
  color: var(--primary);
}
.highlight > span:last-child { display: flex; flex-direction: column; gap: 3px; }
.highlight-title { font-size: 15px; font-weight: 500; }
.highlight-body { font-size: 13px; color: var(--secondary-text); line-height: 1.45; }

.option-card {
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
  padding: 14px;
  transition: border-color .18s ease;
}
.option-tile {
  width: 44px; height: 44px;
  flex: none;
  border-radius: 13px;
  background: var(--surface);
  color: var(--secondary-text);
  display: grid;
  place-items: center;
  transition: background .18s ease, color .18s ease;
}
.option-tile.on { background: rgba(255, 90, 31, .14); color: var(--primary); }
.option-copy { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.option-title { font-size: 17px; font-weight: 600; }
.option-detail { font-size: 13px; color: var(--secondary-text); line-height: 1.4; }
.option-mark { margin-left: auto; color: var(--border); transition: color .18s ease; }
.option-mark.on { color: var(--primary); }

/* ---------- Home ---------- */

.home-bottom {
  border-top: 1px solid var(--border);
  background: var(--background);
  padding-top: 12px;
  flex: none;
}
.home-bottom > [data-action] { padding: 0 var(--page-padding); }
.home-bottom .bottom-bar { border-top: 0; padding: 0 var(--page-padding); animation: none; }

.tab-bar {
  display: flex;
  gap: 4px;
  align-self: center;
  width: max-content;
  margin: 12px auto calc(4px + env(safe-area-inset-bottom));
  padding: 4px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, .06);
}
.tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: var(--tap-target);
  padding: 0 20px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: var(--secondary-text);
  transition: background .3s cubic-bezier(.2, .8, .3, 1), color .2s ease;
}
.tab.on { background: var(--primary); color: #fff; }

.home-input { display: flex; align-items: center; gap: 10px; padding-bottom: 2px; }
.mic-inline { background: var(--light-orange); color: var(--primary); }
.mic-inline.recording { background: var(--primary); color: #fff; }

.suggestion-row {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 0 var(--page-padding) 10px;
  flex: none;
}
.suggestion-row::-webkit-scrollbar { display: none; }
.suggestion {
  flex: none;
  height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--light-orange);
  font-size: 14px;
  animation: fade-in .2s ease-out both;
}

.today-label { font-size: 12px; font-weight: 500; color: var(--primary); margin-bottom: 4px; }
.today-sections { display: flex; flex-direction: column; gap: 8px; margin-top: 14px; }
.today-row { display: flex; align-items: center; gap: 8px; font-size: 15px; }
.today-row .icon { color: var(--primary); }
.today-row span:last-child { margin-left: auto; font-size: 13px; color: var(--secondary-text); }
.today-actions { display: flex; gap: 8px; margin-top: 14px; }
.ghost-btn.quiet { background: rgba(113, 113, 122, .1); color: var(--secondary-text); }

.plan-section { display: flex; flex-direction: column; gap: 10px; }
.section-label { display: flex; align-items: baseline; gap: 8px; font-size: 17px; font-weight: 600; }
.section-label .detail { margin-left: auto; font-size: 13px; font-weight: 400; color: var(--secondary-text); }
.empty-note { font-size: 13px; color: var(--secondary-text); }

.week-head { display: flex; align-items: baseline; gap: 8px; }
.week-count { margin-left: auto; font-size: 15px; font-weight: 600; color: var(--primary); }
.week-days { display: flex; margin: 12px 0; }
.week-day {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--secondary-text);
}
.week-day .is-today { color: var(--primary); }
.day-dot {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--surface);
  display: grid;
  place-items: center;
  color: #fff;
}
.day-dot.done { background: var(--primary); }
.day-dot.ring { box-shadow: inset 0 0 0 1.5px var(--primary); }

.history { display: flex; flex-direction: column; gap: 8px; }
.history-row {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 56px;
  padding: 0 14px;
  border-radius: 16px;
  background: var(--surface);
}
.history-row > span:nth-child(2) { display: flex; flex-direction: column; gap: 2px; }
.history-title { font-size: 15px; }
.history-date { font-size: 12px; color: var(--secondary-text); }
.history-detail { margin-left: auto; font-size: 13px; color: var(--secondary-text); }

/* ---------- Mascot ---------- */

.mascot { flex: none; display: block; }