/* ============================================================
   Sky 职业倾向测评 - Design System (ui-ux-pro-max)
   Mobile-first · 8dp spacing · Semantic tokens · Micro-interactions
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  /* Brand */
  --primary: #6C5CE7;
  --primary-light: #A29BFE;
  --primary-dark: #5A4BD1;
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --primary-gradient-btn: linear-gradient(135deg, #6C5CE7 0%, #5A4BD1 100%);
  --accent-mbti: #6C5CE7;
  --accent-holland: #00B894;
  --accent-mbti-bg: #F3F0FF;
  --accent-holland-bg: #E6FFFA;

  /* Semantic */
  --success: #10B981;
  --success-bg: #D1FAE5;
  --warning: #F59E0B;
  --warning-bg: #FEF3C7;
  --error: #EF4444;
  --error-bg: #FEE2E2;

  /* Surfaces */
  --bg: #F5F6FA;
  --surface: #FFFFFF;
  --surface-hover: #F8F9FB;
  --surface-pressed: #F0F1F5;

  /* Text */
  --text-primary: #1A1A2E;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;
  --text-inverse: #FFFFFF;

  /* Border */
  --border: #E5E7EB;
  --border-light: #F3F4F6;

  /* Spacing (System = 8dp) */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;
  --sp-10: 40px;
  --sp-12: 48px;

  /* Typography */
  --text-xs: 12px;
  --text-sm: 13px;
  --text-base: 15px;
  --text-lg: 17px;
  --text-xl: 20px;
  --text-2xl: 24px;
  --text-3xl: 28px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Shadow Elevation */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.10);
  --shadow-xl: 0 12px 40px rgba(0,0,0,0.12);

  /* Transitions */
  --t-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Safe area */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  font-size: var(--text-base);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ---------- Loading Screen ---------- */
.loading-screen {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--primary-gradient);
  z-index: 9999;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.loading-screen.fade-out {
  opacity: 0;
  transform: scale(1.05);
  pointer-events: none;
}
.loading-logo {
  width: 64px;
  height: 64px;
  margin-bottom: var(--sp-6);
  animation: logoPulse 2s ease infinite;
}
.loading-tip {
  color: rgba(255,255,255,0.85);
  font-size: var(--text-sm);
  margin-top: var(--sp-4);
  letter-spacing: 0.3px;
}

@keyframes logoPulse {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.08); opacity: 1; }
}

/* Loading spinner animation */
.loading-spinner svg circle {
  stroke-dasharray: 90 150;
  animation: spin 1.2s linear infinite;
  transform-origin: center;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- Page Container ---------- */
.page-container {
  min-height: 100vh;
  min-height: 100dvh;
  padding-top: var(--safe-top);
  padding-bottom: var(--safe-bottom);
  background: var(--bg);
}
.page-content {
  max-width: 480px;
  margin: 0 auto;
  padding: var(--sp-4);
}

/* ---------- Van Overrides (global) ---------- */
/* Navbar */
.van-nav-bar {
  --van-nav-bar-background: var(--surface);
  --van-nav-bar-title-font-size: var(--text-lg);
  --van-nav-bar-title-text-color: var(--text-primary);
  --van-nav-bar-icon-color: var(--text-primary);
  --van-nav-bar-arrow-size: 20px;
}
.van-nav-bar::after {
  display: none !important;
}

/* Button */
.van-button--primary {
  --van-button-primary-background: var(--primary-gradient-btn);
  --van-button-primary-border-color: transparent;
}
.van-button {
  --van-button-round-border-radius: var(--radius-full);
  --van-button-large-height: 50px;
  --van-button-large-font-size: var(--text-base);
  --van-button-default-height: 44px;
  --van-button-default-font-size: var(--text-sm);
  --van-button-normal-font-size: var(--text-sm);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.van-button:active {
  transform: scale(0.97);
}

/* Tag */
.van-tag--success {
  --van-tag-success-color: var(--success);
  --van-tag-success-background: var(--success-bg);
}
.van-tag--default {
  --van-tag-default-color: var(--text-muted);
  --van-tag-default-background: var(--border-light);
}

/* Field */
.van-field {
  --van-field-input-font-size: var(--text-lg);
  --van-field-label-color: var(--text-muted);
}
.van-cell-group {
  --van-cell-group-background: transparent;
}
.van-cell {
  --van-cell-background: var(--surface);
  --van-cell-vertical-padding: var(--sp-3);
  --van-cell-horizontal-padding: var(--sp-4);
  --van-cell-font-size: var(--text-sm);
  --van-cell-text-color: var(--text-secondary);
  --van-cell-border-color: var(--border-light);
}

/* Radio */
.van-radio {
  --van-radio-size: 20px;
  --van-radio-label-font-size: var(--text-base);
  --van-radio-label-color: var(--text-primary);
}
.van-radio-group {
  gap: var(--sp-3);
}

/* Progress */
.van-progress {
  --van-progress-background: var(--border-light);
  --van-progress-height: 6px;
}

/* Card */
.van-card {
  --van-card-background: var(--surface);
  --van-card-padding: var(--sp-4);
  --van-card-font-size: var(--text-sm);
  --van-card-thumb-size: 0;
  --van-card-title-font-size: var(--text-base);
  --van-card-desc-font-size: var(--text-sm);
  --van-card-desc-color: var(--text-secondary);
  --van-card-title-line-height: 1.5;
}

/* Loading */
.van-loading--spinner {
  --van-loading-spinner-size: 36px;
  --van-loading-spinner-color: var(--primary);
}

/* Toast */
:root {
  --van-toast-font-size: var(--text-sm);
}

/* Empty */
.van-empty {
  --van-empty-description-font-size: var(--text-sm);
  --van-empty-description-color: var(--text-muted);
  --van-empty-padding: var(--sp-10) 0;
}

/* ---------- Login Page ---------- */
.login-page {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-gradient);
  padding: var(--sp-6);
  padding-top: calc(var(--sp-6) + var(--safe-top));
  padding-bottom: calc(var(--sp-6) + var(--safe-bottom));
  position: relative;
  overflow: hidden;
}

/* Animated background circles */
.login-page::before,
.login-page::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  opacity: 0.08;
  pointer-events: none;
}
.login-page::before {
  width: 300px;
  height: 300px;
  background: #fff;
  top: -80px;
  right: -80px;
  animation: floatBubble 8s ease-in-out infinite;
}
.login-page::after {
  width: 200px;
  height: 200px;
  background: #fff;
  bottom: -40px;
  left: -60px;
  animation: floatBubble 10s ease-in-out infinite reverse;
}

@keyframes floatBubble {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

.login-card {
  width: 100%;
  max-width: 360px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: var(--sp-10) var(--sp-6) var(--sp-8);
  text-align: center;
  box-shadow: 0 16px 48px rgba(0,0,0,0.18);
  animation: cardSlideUp 0.6s var(--t-spring);
  position: relative;
  z-index: 1;
}

@keyframes cardSlideUp {
  from { opacity: 0; transform: translateY(30px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.login-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--sp-4);
  color: var(--primary);
}
.login-icon svg {
  width: 100%;
  height: 100%;
}

.login-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--sp-1);
  letter-spacing: -0.5px;
}
.login-subtitle {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin: 0 0 var(--sp-8);
  line-height: 1.5;
}

.code-input {
  margin-bottom: var(--sp-6);
}
.code-input .van-field__body {
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  transition: border-color var(--t-base), box-shadow var(--t-base);
  overflow: hidden;
}
.code-input .van-field__body:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.12);
}
.code-input .van-field__control {
  letter-spacing: 8px !important;
  font-weight: 600 !important;
  text-align: center !important;
  padding: var(--sp-3) var(--sp-2) !important;
}

.submit-btn {
  height: 50px;
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-full) !important;
  background: var(--primary-gradient-btn) !important;
  border: none !important;
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.submit-btn:active {
  transform: scale(0.97);
  box-shadow: 0 4px 12px rgba(108, 92, 231, 0.3);
}

/* ---------- Home Page ---------- */
.home-page {
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
}

.home-header {
  padding: var(--sp-8) var(--sp-4) var(--sp-5);
  background: var(--surface);
  position: relative;
}
.home-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 20px;
  background: linear-gradient(to bottom, var(--surface), transparent);
  pointer-events: none;
}

.greeting {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--sp-2);
}

.greeting svg {
  width: 28px;
  height: 28px;
  color: var(--primary);
  flex-shrink: 0;
}

.greeting-sub {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
  padding-left: calc(28px + var(--sp-3));
}

.card-list {
  padding: var(--sp-2) var(--sp-4) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.test-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--sp-5) var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform var(--t-fast), box-shadow var(--t-base);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  position: relative;
  overflow: hidden;
}
.test-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--surface-hover);
  opacity: 0;
  transition: opacity var(--t-fast);
}
.test-card:active::before {
  opacity: 1;
}
.test-card:active {
  transform: scale(0.98);
  box-shadow: var(--shadow-sm);
}

.card-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.card-icon-wrap.mbti {
  background: var(--accent-mbti-bg);
  color: var(--accent-mbti);
}
.card-icon-wrap.holland {
  background: var(--accent-holland-bg);
  color: var(--accent-holland);
}
.card-icon-wrap svg {
  width: 26px;
  height: 26px;
}

.card-body {
  flex: 1;
  min-width: 0;
}
.card-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--sp-1);
}
.card-desc {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.4;
}
.card-right {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.card-arrow {
  color: var(--border);
  font-size: 16px;
}

.recommend-section {
  padding: 0 var(--sp-4) var(--sp-8);
  margin-top: var(--sp-2);
}
.recommend-btn {
  height: 52px;
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-full) !important;
  background: var(--primary-gradient-btn) !important;
  border: none !important;
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.recommend-btn:active {
  transform: scale(0.97);
  box-shadow: 0 4px 16px rgba(108, 92, 231, 0.35);
}

/* ---------- Test Page ---------- */
.test-page {
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  display: flex;
  flex-direction: column;
}

.progress-wrap {
  padding: var(--sp-4) var(--sp-4) var(--sp-2);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  background: var(--surface);
  position: sticky;
  top: 46px;
  z-index: 10;
}
.progress-wrap .van-progress {
  flex: 1;
}
.progress-text {
  font-size: var(--text-sm);
  color: var(--text-muted);
  white-space: nowrap;
  font-weight: 500;
  line-height: 1;
}

.question-area {
  flex: 1;
  padding: var(--sp-6) var(--sp-4) 120px;
  overflow-y: auto;
}

.question-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--primary);
  background: rgba(108, 92, 231, 0.08);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--sp-4);
}

.question-text {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: var(--sp-8);
  padding: 0 var(--sp-1);
}

.options-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.option-item {
  background: var(--surface) !important;
  border-radius: var(--radius-md) !important;
  padding: var(--sp-4) var(--sp-4) !important;
  border: 1.5px solid var(--border-light) !important;
  transition: all var(--t-fast);
  margin: 0 !important;
}
.option-item.active {
  border-color: var(--primary) !important;
  background: rgba(108, 92, 231, 0.04) !important;
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.08);
}

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  padding-bottom: calc(var(--sp-3) + var(--safe-bottom));
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 -2px 12px rgba(0,0,0,0.04);
  z-index: 20;
  max-width: 480px;
  margin: 0 auto;
}

.nav-btn {
  height: 46px;
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: transform var(--t-fast);
}
.nav-btn:active {
  transform: scale(0.96);
}
.nav-prev {
  min-width: 100px;
}
.nav-right {
  flex: 1;
}
.nav-full {
  flex: 1;
}

/* ---------- Result Page ---------- */
.result-page {
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
}

.result-hero {
  text-align: center;
  padding: var(--sp-10) var(--sp-4) var(--sp-6);
  background: var(--primary-gradient);
  margin: 0 calc(-1 * var(--sp-4));
  position: relative;
  overflow: hidden;
}
.result-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 100%, rgba(255,255,255,0.15), transparent 60%);
  pointer-events: none;
}

.result-type-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  font-size: var(--text-3xl);
  font-weight: 800;
  color: #fff;
  margin-bottom: var(--sp-4);
  letter-spacing: 2px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  position: relative;
}
.result-type-badge.mbti-badge {
  background: linear-gradient(135deg, #fff, rgba(255,255,255,0.8));
  color: var(--primary);
}
.result-type-badge.holland-badge {
  background: linear-gradient(135deg, #fff, rgba(255,255,255,0.8));
  color: var(--accent-holland);
}

.result-type-label {
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: 4px;
  color: #fff;
  margin-bottom: var(--sp-1);
  text-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.result-type-sub {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.85);
  font-weight: 500;
}

.result-desc-card {
  margin-top: calc(-1 * var(--sp-6));
  position: relative;
  z-index: 1;
}
.result-desc-card .van-cell {
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-sm);
  line-height: 1.6;
}

.score-section {
  margin-top: var(--sp-4);
}
.score-section .van-cell-group__title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  padding: var(--sp-4) var(--sp-4) var(--sp-2);
}

.score-bar {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-4);
}
.score-bar .label {
  width: 28px;
  font-size: var(--text-xs);
  font-weight: 700;
  text-align: center;
  flex-shrink: 0;
}
.score-bar .track {
  flex: 1;
  height: 8px;
  background: var(--border-light);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.score-bar .track .fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 1s var(--t-spring);
}
.score-bar .score-num {
  width: 28px;
  text-align: right;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
}

.result-actions {
  padding: var(--sp-4);
  padding-bottom: calc(var(--sp-4) + var(--safe-bottom));
}
.result-actions .van-button {
  margin-bottom: var(--sp-3);
}

/* ---------- Recommend Page ---------- */
.recommend-page {
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
}

.recommend-hero {
  text-align: center;
  padding: var(--sp-8) var(--sp-4) var(--sp-4);
}
.recommend-hero h2 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--sp-2);
  color: var(--text-primary);
}
.recommend-hero h2 svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
}
.recommend-hero p {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.5;
}

.recommend-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: 0 var(--sp-4);
  padding-bottom: var(--sp-8);
}

.recommend-card {
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-sm) !important;
  transition: transform var(--t-fast), box-shadow var(--t-base);
  animation: fadeUp 0.5s var(--t-spring) both;
}
.recommend-card:nth-child(1) { animation-delay: 0.05s; }
.recommend-card:nth-child(2) { animation-delay: 0.1s; }
.recommend-card:nth-child(3) { animation-delay: 0.15s; }
.recommend-card:nth-child(4) { animation-delay: 0.2s; }
.recommend-card:nth-child(5) { animation-delay: 0.25s; }
.recommend-card:active {
  transform: scale(0.98);
  box-shadow: var(--shadow-sm);
}

.major-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--text-inverse);
  font-size: var(--text-xs);
  font-weight: 700;
  margin-bottom: var(--sp-2);
  flex-shrink: 0;
}
.major-name {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-1);
}
.major-category {
  display: inline-block;
  font-size: var(--text-xs);
  color: var(--primary);
  font-weight: 600;
  background: rgba(108, 92, 231, 0.08);
  padding: 2px var(--sp-2);
  border-radius: var(--radius-full);
  margin-bottom: var(--sp-2);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.recommend-footer {
  text-align: center;
  padding: var(--sp-4) var(--sp-4) var(--sp-10);
  color: var(--text-muted);
  font-size: var(--text-xs);
}
.recommend-footer .van-icon {
  margin-right: var(--sp-1);
  vertical-align: middle;
}

/* ---------- Fade Transition ---------- */
.fade-enter-active,
.fade-leave-active {
  transition: opacity 0.25s ease;
}
.fade-enter-from,
.fade-leave-to {
  opacity: 0;
}