/*
 * HT-VIS-003 implementation module
 * North star: 当代东方旅居中的从容自修
 * Visual signature: 窗景秩序
 */

:root {
  /* VI 标准色彩令牌（HOTEL-VISUAL-IDENTITY-STANDARD-V1） */
  --v3-canvas: #f8f5f0;        /* 页面底 --paper */
  --v3-raised: #fffdf9;        /* 卡片面 --surface */
  --v3-inverse: #3a352e;       /* 主墨色 --ink */
  --v3-text-strong: #3a352e;   /* 主墨色 --ink */
  --v3-text: #55504a;          /* 正文 --body */
  --v3-text-muted: #7a736a;    /* 软墨 --ink-soft */
  --v3-mist: #758780;          /* 辅助文字 */
  --v3-water: #748187;         /* 水色 */
  --v3-warm: #a8926f;          /* 深沙金 --gold */
  --v3-human: #8a4d43;         /* 警示 --danger */
  --v3-success: #9c7c52;       /* 黛青玉 --jade */
  --v3-warning: #8a5b18;
  --v3-stop: #8a4d43;
  --v3-line: #ded6ca;          /* 细线 --line */
  --v3-line-strong: rgba(26, 59, 46, 0.28);
  --v3-focus: #9c7c52;
  --v3-product-font: "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --v3-display-font: "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --v3-shadow: 0 18px 50px rgba(21, 60, 53, 0.08);
}

html {
  background: var(--v3-canvas);
}

body {
  color: var(--v3-text-strong);
  background:
    linear-gradient(90deg, rgba(32, 38, 35, 0.025) 1px, transparent 1px) center / 96px 100%,
    var(--v3-canvas);
  font-family: var(--v3-product-font);
}

.app {
  width: min(100%, 600px);
  color: var(--v3-text-strong);
  background: var(--v3-raised);
  box-shadow: var(--v3-shadow);
  --home-scene-image: url("./assets/scenes/healing-space-hero-v4.jpg");
  --home-scene-position: center 51%;
}

.app.entry-room {
  --home-scene-image: url("./assets/scenes/healing-space-hero-v4.jpg");
  --home-scene-position: center 48%;
}

.hotel-header {
  position: sticky;
  min-height: 88px;
  grid-template-columns: 78px minmax(0, 1fr) 44px;
  gap: 16px;
  padding: max(14px, env(safe-area-inset-top)) 24px 14px;
  border-bottom: 1px solid var(--v3-line);
  background: rgba(255, 254, 250, 0.97);
  backdrop-filter: blur(16px) saturate(110%);
}

.hotel-logo {
  width: 74px;
  height: 52px;
}

.hotel-header-copy {
  min-width: 0;
}

.hotel-header-copy p {
  overflow: hidden;
  color: var(--v3-text-strong);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hotel-header-copy span {
  margin-top: 5px;
  color: var(--v3-text-muted);
  font-size: 11px;
  line-height: 1.4;
}

.icon-button {
  border-radius: 0;
  color: var(--v3-text);
  font-size: 0;
}

.icon-button::before {
  content: "⌂";
  display: block;
  margin: auto;
  border: 0;
  font-family: Arial, sans-serif;
  font-size: 25px;
  font-weight: 400;
  line-height: 1;
  transform: none;
}

.icon-button::after {
  display: none;
}

.screen {
  min-height: calc(100svh - 132px);
  padding: 48px 28px 56px;
}

.screen-home {
  display: block;
  min-height: calc(100svh - 132px);
  padding: 0 0 28px;
  overflow: visible;
}

.home-wash {
  display: none;
}

.home-hero {
  position: relative;
  width: 100%;
  height: clamp(224px, 31svh, 310px);
  margin: 0;
  overflow: hidden;
  background-color: #d8d8d2;
  background-image: var(--home-scene-image);
  background-position: var(--home-scene-position);
  background-size: cover;
}

.home-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  border-bottom: 1px solid rgba(32, 38, 35, 0.18);
  background: linear-gradient(180deg, transparent 64%, rgba(32, 38, 35, 0.22));
  pointer-events: none;
}

.home-hero span {
  position: absolute;
  z-index: 1;
  right: 24px;
  bottom: 18px;
  color: rgba(255, 254, 250, 0.92);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0;
}

.home-content {
  padding: 36px 28px 0;
}

.screen-home > * {
  position: relative;
}

.kicker {
  margin-bottom: 16px;
  color: var(--v3-warm);
  font-family: var(--v3-product-font);
  font-size: 12px;
  font-weight: 500;
}

h1,
h2,
h3 {
  color: var(--v3-text-strong);
  font-family: var(--v3-display-font);
  font-weight: 400;
  letter-spacing: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(36px, 9.2vw, 50px);
  line-height: 1.18;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(27px, 6.6vw, 34px);
  line-height: 1.36;
}

h3 {
  font-size: 19px;
  line-height: 1.5;
}

p {
  color: var(--v3-text);
}

.lead {
  max-width: 31em;
  margin-bottom: 20px;
  color: var(--v3-text);
  font-size: 15px;
  line-height: 1.85;
}

.entry-note {
  margin-bottom: 0;
  padding: 10px 0 10px 14px;
  border-left: 2px solid var(--v3-warm);
  color: var(--v3-text-muted);
  background: transparent;
  font-size: 12px;
}

.home-actions {
  margin-top: 32px;
  gap: 12px;
}

.button {
  min-height: 56px;
  border-radius: 8px;  /* VI 标准：按钮 8px */
  font-weight: 500;
  letter-spacing: 0;
  transition:
    background-color 180ms ease,
    color 180ms ease,
    border-color 180ms ease,
    transform 180ms ease;
}

.button-primary {
  color: var(--v3-raised);
  background: var(--v3-inverse);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #111613;
}

.button-primary:disabled {
  color: #8a908c;
  background: #e3e4df;
}

.button-quiet {
  color: var(--v3-text-strong);
  border-color: var(--v3-line-strong);
  background: transparent;
}

.button-quiet:hover,
.button-quiet:focus-visible {
  border-color: var(--v3-text-strong);
  background: rgba(117, 135, 128, 0.08);
}

.text-button {
  color: var(--v3-text);
  text-decoration-color: rgba(62, 70, 66, 0.45);
}

.home-boundary-link {
  min-height: 44px;
  margin: 0;
  color: var(--v3-text-muted);
  font-size: 13px;
}

.journey-hint {
  gap: 10px;
  margin: 48px 28px 0;
  color: var(--v3-text-muted);
  font-size: 11px;
}

.journey-hint i {
  background: var(--v3-line);
}

.progress {
  margin-bottom: 46px;
  color: var(--v3-warm);
  font-size: 12px;
}

.progress span {
  background: var(--v3-line);
}

.progress em {
  color: var(--v3-text-muted);
}

.section-heading {
  max-width: 34em;
  margin-bottom: 32px;
}

.section-heading > p:last-child {
  color: var(--v3-text);
  font-size: 14px;
  line-height: 1.8;
}

.boundary-list {
  margin-bottom: 32px;
  border-color: var(--v3-line);
}

.boundary-list article {
  padding: 22px 0;
  border-color: var(--v3-line);
}

.boundary-list b {
  color: var(--v3-text-strong);
  font-weight: 600;
}

.option-list {
  gap: 12px;
}

.option {
  min-height: 88px;
  grid-template-columns: 38px minmax(0, 1fr) 20px;
  gap: 14px;
  padding: 18px 16px;
  border-color: var(--v3-line);
  border-radius: 10px;  /* VI 标准：卡片 10px */
  color: var(--v3-text-strong);
  background: var(--v3-raised);
  transition:
    border-color 180ms ease,
    background-color 180ms ease,
    transform 180ms ease;
}

.option:hover,
.option:focus-visible,
.option.selected {
  border-color: var(--v3-mist);
  background: rgba(117, 135, 128, 0.08);
}

.option:active {
  transform: translateY(1px);
}

.option-index {
  color: var(--v3-warm);
  font-family: Inter, Arial, sans-serif;
  font-size: 11px;
}

.option-copy strong {
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 600;
}

.option-copy span {
  color: var(--v3-text-muted);
  font-size: 13px;
  line-height: 1.55;
}

.option-arrow {
  color: var(--v3-mist);
}

.recommendation {
  margin-bottom: 28px;
  padding: 26px 0;
  border-color: var(--v3-line);
}

.recommendation-meta span {
  padding: 5px 8px;
  color: var(--v3-text);
  background: rgba(117, 135, 128, 0.10);
  font-size: 11px;
}

.recommendation h3 {
  font-size: 26px;
  font-weight: 400;
}

.video-shell {
  border-color: rgba(32, 38, 35, 0.45);
  background: #121815;
}

.video-placeholder {
  color: var(--v3-raised);
  background: #151c18;
}

.practice-boundary {
  margin: 18px 0 22px;
  padding: 12px 0 12px 14px;
  border-left-color: var(--v3-warm);
  color: var(--v3-text);
  line-height: 1.7;
}

.note-field {
  color: var(--v3-text-strong);
}

.note-field textarea {
  border-color: var(--v3-line-strong);
  border-radius: 10px;  /* VI 标准：卡片 10px */
  color: var(--v3-text-strong);
  background: var(--v3-raised);
}

.next-card,
.handoff-summary,
.handoff-route {
  border-color: var(--v3-line);
  border-radius: 10px;  /* VI 标准：卡片 10px */
  background: rgba(117, 135, 128, 0.07);
}

.screen-staff {
  background: var(--v3-raised);
}

.staff-summary article,
.staff-empty,
.staff-ticket {
  border-color: var(--v3-line);
  border-radius: 4px;
  background: var(--v3-raised);
}

.staff-summary b,
.review-metrics b,
.asset-line b {
  color: var(--v3-success);
}

.staff-status,
.review-status {
  color: var(--v3-success);
  border-color: rgba(35, 107, 82, 0.26);
  background: rgba(35, 107, 82, 0.07);
}

.staff-route,
.asset-line {
  background: rgba(117, 135, 128, 0.07);
}

.review-metrics article,
.review-section,
.review-row,
.review-ticket,
.app-footer {
  border-color: var(--v3-line);
}

.app-footer {
  padding-top: 22px;
  padding-bottom: max(22px, env(safe-area-inset-bottom));
  background: var(--v3-raised);
}

.app-footer p {
  color: var(--v3-text-muted);
  font-size: 10px;
}

button:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--v3-focus);
  outline-offset: 3px;
}

@media (min-width: 700px) {
  body {
    padding: 32px 0;
  }

  .app {
    min-height: calc(100svh - 64px);
  }

  .hotel-header {
    position: relative;
  }

  .screen {
    min-height: 740px;
    padding: 60px 56px 72px;
  }

  .screen-home {
    min-height: 740px;
    padding: 0 0 36px;
  }

  .home-hero {
    height: 340px;
  }

  .home-content {
    padding: 48px 56px 0;
  }

  .home-actions {
    grid-template-columns: 1fr;
  }

  .journey-hint {
    margin-inline: 56px;
  }
}

@media (max-width: 420px) {
  .hotel-header {
    min-height: 82px;
    grid-template-columns: 68px minmax(0, 1fr) 40px;
    gap: 12px;
    padding-inline: 18px;
  }

  .hotel-logo {
    width: 66px;
    height: 46px;
  }

  .hotel-header-copy p {
    font-size: 12px;
  }

  .screen {
    padding: 42px 22px 48px;
  }

  .screen-home {
    padding: 0 0 24px;
  }

  .home-hero {
    height: clamp(214px, 29svh, 258px);
  }

  .home-content {
    padding: 32px 22px 0;
  }

  .journey-hint {
    margin: 42px 22px 0;
  }

  h1 {
    font-size: clamp(34px, 9.6vw, 42px);
  }

  h2 {
    font-size: 27px;
  }
}

@media (max-width: 360px) {
  .hotel-header {
    grid-template-columns: 60px minmax(0, 1fr) 38px;
    padding-inline: 14px;
  }

  .hotel-logo {
    width: 58px;
  }

  .screen {
    padding-inline: 18px;
  }

  .home-content {
    padding-inline: 18px;
  }

  .journey-hint {
    margin-inline: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* Three-lane service entry styles */
.service-grid, .feedback-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 16px 0 24px;
}
.service-btn {
  background: #FFFEFA;
  border: 1px solid #E8E0D4;
  border-radius: 6px;
  padding: 20px 8px;
  font-size: 14px;
  color: #3E4642;
  cursor: pointer;
  text-align: center;
  font-family: inherit;
}
.service-btn:active {
  background: #F0EDE6;
}

/* 08-25 首页封面轮播：实景疗愈房两图交替（后续新图按同模式追加） */
.home-hero-alt {
  position: absolute;
  inset: 0;
  background-image: url("./assets/scenes/hotel-room-hero-v4.jpg");
  background-position: var(--home-scene-position, center);
  background-size: cover;
  opacity: 0;
  animation: hero-swap 18s ease-in-out infinite;
  pointer-events: none;
}
@keyframes hero-swap {
  0%, 38% { opacity: 0; }
  50%, 88% { opacity: 1; }
  100% { opacity: 0; }
}

/* 08-25 首页功能宫格（视觉标准：一主行动 + 2×2 宫格 + 安心区） */
.home-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
}
.home-grid-card {
  display: block;
  background: var(--v3-raised, #FFFDF9);
  border: 1px solid var(--v3-line, #DED6CA);
  border-radius: 10px;
  padding: 16px 14px;
  text-align: left;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  min-height: 76px;
  font: inherit;
}
.home-grid-card b {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--v3-text-strong, #202623);
  margin-bottom: 6px;
}
.home-grid-card span {
  display: block;
  font-size: 12px;
  line-height: 1.6;
  color: var(--v3-text-muted, #758780);
}
@media (max-width: 340px) {
  .home-grid { grid-template-columns: 1fr; }
}