/* ═══════════════════════════════════════════════
   SMTI — 暗色深夜综艺风格样式
   ═══════════════════════════════════════════════ */

/* ── Google Fonts ── */
@import url('https://fonts.loli.net/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&family=ZCOOL+QingKe+HuangYou&display=swap');

/* ── Design Tokens ── */
:root {
  /* 色彩系统 — OKLCH */
  --bg-base: oklch(12% 0.012 30);
  --bg-surface: oklch(16% 0.01 30);
  --bg-elevated: oklch(20% 0.01 30);
  --bg-hover: oklch(24% 0.012 30);

  --text-primary: oklch(92% 0.006 30);
  --text-secondary: oklch(68% 0.008 30);
  --text-tertiary: oklch(48% 0.006 30);

  --accent-s: oklch(72% 0.18 45);
  /* 琥珀/橙 — S型 */
  --accent-s-dim: oklch(55% 0.12 45);
  --accent-s-glow: oklch(72% 0.18 45 / 0.15);

  --accent-m: oklch(65% 0.16 350);
  /* 玫瑰/酒红 — M型 */
  --accent-m-dim: oklch(48% 0.1 350);
  --accent-m-glow: oklch(65% 0.16 350 / 0.15);

  --accent-neutral: oklch(65% 0.01 30);
  /* 中性灰暖 */

  --border-subtle: oklch(25% 0.008 30);
  --border-medium: oklch(32% 0.01 30);

  /* 间距系统 — 4pt base */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* 字体 */
  --font-display: 'ZCOOL QingKe HuangYou', 'Noto Sans SC', sans-serif;
  --font-body: 'Noto Sans SC', system-ui, sans-serif;

  /* 动效 */
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;

  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* 最大宽度 */
  --content-width: 600px;
}

/* ── 减少动效偏好 ── */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-base);
  min-height: 100dvh;
  overflow-x: hidden;
  font-kerning: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Layout Shell ── */
.app {
  width: 100%;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.view {
  width: 100%;
  max-width: var(--content-width);
  padding: var(--space-lg) var(--space-md);
  display: none;
  opacity: 0;
}

.view.active {
  display: flex;
  flex-direction: column;
  animation: viewEnter var(--duration-slow) var(--ease-out-quart) forwards;
}

.view.exiting {
  animation: viewExit 200ms ease-in forwards;
}

@keyframes viewEnter {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes viewExit {
  from {
    opacity: 1;
    transform: translateY(0);
  }

  to {
    opacity: 0;
    transform: translateY(-12px);
  }
}

/* ═══════════════════════════════════════════════
   首页 / Landing
   ═══════════════════════════════════════════════ */

.landing {
  align-items: flex-start;
  justify-content: center;
  min-height: 100dvh;
  /* 手机端：上下留白舒适，左右留边 24px */
  padding: var(--space-4xl) var(--space-lg) var(--space-2xl);
  gap: var(--space-xl);
}

/* 平板及以上：增大左右 padding，让内容呈杂志排版感 */
@media (min-width: 640px) {
  .landing {
    padding: var(--space-4xl) var(--space-2xl) var(--space-2xl);
    gap: var(--space-2xl);
  }
}

.landing__eyebrow {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-s);
}

.landing__title {
  font-family: var(--font-display);
  /* 手机最小 2rem，随屏宽流体增长，最大 4rem */
  font-size: clamp(2rem, 8vw + 0.5rem, 4rem);
  line-height: 1.15;
  color: var(--text-primary);
}

.landing__title br {
  display: block;
  content: "";
  margin-top: 0.1em;
}

.landing__title span.char {
  display: inline-block;
  opacity: 0;
  transform: translateY(10px);
  animation: typingReveal 0.4s cubic-bezier(0.25, 1, 0.5, 1) forwards;
  animation-delay: calc(var(--char-index, 0) * 80ms);
}

.landing__title span.emoji {
  display: inline-block;
  opacity: 0;
  transform: scale(0);
  animation: emojiPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards,
    smug 3s ease-in-out infinite 1.7s;
  animation-delay: 1.2s, 1.7s;
}

@keyframes typingReveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes emojiPop {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes smug {

  0%,
  100% {
    transform: rotate(0deg) scale(1);
  }

  25% {
    transform: rotate(10deg) scale(1.15);
  }

  75% {
    transform: rotate(-10deg) scale(1.15);
  }
}

.landing__subtitle {
  font-size: clamp(0.95rem, 2.5vw + 0.5rem, 1.1rem);
  font-weight: 300;
  line-height: 1.8;
  color: var(--text-secondary);
}

.landing__meta {
  font-size: 0.78rem;
  color: var(--text-tertiary);
  line-height: 1.8;
}

.landing__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  /* 手机端保证 44px 最小触控高度 */
  min-height: 48px;
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--bg-base);
  background: var(--accent-s);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out-quart),
    background var(--duration-fast) var(--ease-out-quart);
  position: relative;
}

.landing__cta::after {
  content: '→';
  font-size: 1.2em;
  transition: transform var(--duration-fast) var(--ease-out-quart);
}

.landing__cta:hover {
  transform: translateY(-2px);
  background: oklch(76% 0.19 45);
}

.landing__cta:hover::after {
  transform: translateX(4px);
}

.landing__cta:active {
  transform: translateY(0);
}

/* S / M 标签装饰 */
.landing__badge {
  display: inline-flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  border-radius: var(--radius-sm);
  font-weight: 900;
}

.badge--s {
  background: var(--accent-s-glow);
  color: var(--accent-s);
}

.badge--m {
  background: var(--accent-m-glow);
  color: var(--accent-m);
}

/* 免责声明 */
.disclaimer {
  font-size: 0.72rem;
  color: var(--text-tertiary);
  line-height: 1.7;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
}

/* ═══════════════════════════════════════════════
   测试页 / Quiz
   ═══════════════════════════════════════════════ */

.quiz {
  gap: var(--space-xl);
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-4xl);
}

/* 进度条 */
.progress {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg-base);
  padding: var(--space-md) 0 var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.progress::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 0;
  right: 0;
  height: 12px;
  background: linear-gradient(to bottom, var(--bg-base), transparent);
  pointer-events: none;
}

.progress__bar-track {
  width: 100%;
  height: 4px;
  background: var(--border-subtle);
  border-radius: 2px;
  overflow: hidden;
}

.progress__bar-fill {
  height: 100%;
  width: 0%;
  background: var(--accent-s);
  border-radius: 2px;
  transition: width var(--duration-normal) var(--ease-out-expo);
}

.progress__text {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-tertiary);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* 题目块 */
.question {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding-bottom: var(--space-xl);
  opacity: 0;
  animation: questionReveal var(--duration-slow) var(--ease-out-quart) forwards;
  animation-delay: calc(min(var(--i, 0), 8) * 50ms);
}

@keyframes questionReveal {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.question__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.question__number {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-s);
  background: var(--accent-s-glow);
  padding: 2px var(--space-sm);
  border-radius: var(--radius-sm);
}

.question__dim {
  font-size: 0.68rem;
  color: var(--text-tertiary);
  cursor: default;
}

.question__text {
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.65;
  color: var(--text-primary);
}

/* 选项 */
.options {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.option {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out-quart),
    border-color var(--duration-fast) var(--ease-out-quart),
    transform var(--duration-fast) var(--ease-out-quart);
  position: relative;
  -webkit-tap-highlight-color: transparent;
  min-height: 48px;
}

.option:hover {
  background: var(--bg-hover);
  border-color: var(--border-medium);
}

.option:active {
  transform: scale(0.985);
}

.option.selected {
  background: var(--accent-s-glow);
  border-color: var(--accent-s-dim);
}

.option__radio {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--duration-fast) var(--ease-out-quart);
}

.option.selected .option__radio {
  border-color: var(--accent-s);
}

.option__radio-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-s);
  transform: scale(0);
  transition: transform var(--duration-fast) var(--ease-out-quart);
}

.option.selected .option__radio-dot {
  transform: scale(1);
}

.option__label {
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  font-weight: 700;
  color: var(--accent-s);
  width: 1.2em;
  flex-shrink: 0;
}

.option__text {
  font-size: 0.92rem;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.5;
}

/* 分割线 */
.question__divider {
  height: 1px;
  background: var(--border-subtle);
  margin-top: var(--space-sm);
}

/* 提交按钮 */
.quiz__submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--bg-base);
  background: var(--accent-s);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out-quart),
    opacity var(--duration-fast);
  margin-top: var(--space-lg);
}

.quiz__submit:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.quiz__submit:not(:disabled):hover {
  transform: translateY(-2px);
}

.quiz__submit:not(:disabled):active {
  transform: translateY(0);
}

.quiz__incomplete-hint {
  text-align: center;
  font-size: 0.78rem;
  color: var(--accent-m);
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.quiz__incomplete-hint.visible {
  opacity: 1;
}

/* ═══════════════════════════════════════════════
   结果页 / Result
   ═══════════════════════════════════════════════ */

.result {
  gap: var(--space-2xl);
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  align-items: stretch;
}

/* 结果卡片 — 截图友好 */
.result-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  padding: var(--space-2xl) var(--space-lg);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.result-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-s), var(--accent-m));
}

.result-card__header {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: flex-start;
}

.result-card__type-code {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 4rem);
  line-height: 1;
  color: var(--text-primary);
  letter-spacing: 0.05em;
}

.result-card__type-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-sm);
}

.result-card__type-label--s {
  color: var(--accent-s);
  background: var(--accent-s-glow);
}

.result-card__type-label--m {
  color: var(--accent-m);
  background: var(--accent-m-glow);
}

.result-card__type-label--balance {
  color: var(--accent-neutral);
  background: oklch(65% 0.01 30 / 0.12);
}

.result-card__name {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.result-card__emoji {
  font-size: 2rem;
}

.result-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 4vw, 1.8rem);
  line-height: 1.2;
  color: var(--text-primary);
}

.result-card__tagline {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--accent-s);
  font-style: italic;
}

.result-card__description {
  font-size: 0.92rem;
  font-weight: 350;
  line-height: 1.85;
  color: var(--text-secondary);
  max-width: 65ch;
}

/* 维度可视化 */
.dimensions {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.dimensions__title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.dimension-row {
  display: grid;
  grid-template-columns: 50px 1fr 50px;
  align-items: center;
  gap: var(--space-sm);
}

.dimension-row__label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-align: center;
}

.dimension-row__label--s {
  color: var(--accent-s);
}

.dimension-row__label--m {
  color: var(--accent-m);
}

.dimension-row__bar {
  height: 8px;
  background: var(--bg-elevated);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.dimension-row__fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  border-radius: 4px;
  transition: width 800ms var(--ease-out-expo);
}

.dimension-row__fill--s {
  background: var(--accent-s);
}

.dimension-row__fill--m {
  background: var(--accent-m);
  left: auto;
  right: 0;
}

.dimension-row__name {
  font-size: 0.68rem;
  color: var(--text-tertiary);
  text-align: center;
  margin-top: 2px;
}

/* 特质标签 */
.traits {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.trait {
  font-size: 0.78rem;
  font-weight: 500;
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--border-medium);
  border-radius: 100px;
  color: var(--text-secondary);
}

/* 最佳搭档 */
.best-match {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
}

.best-match__label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.best-match__type {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--accent-m);
}

.best-match__reason {
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
  border-left: 2px solid var(--border-medium);
  padding-left: var(--space-sm);
}

/* 底部水印 */
.result-card__watermark {
  font-size: 0.65rem;
  color: var(--text-tertiary);
  text-align: right;
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-subtle);
}

/* 操作按钮 */
.result-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.result-actions__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out-quart),
    background var(--duration-fast);
}

.result-actions__btn:hover {
  transform: translateY(-1px);
}

.result-actions__btn:active {
  transform: translateY(0);
}

.result-actions__btn--primary {
  color: var(--bg-base);
  background: var(--accent-s);
}

.result-actions__btn--secondary {
  color: var(--text-secondary);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
}

.result-actions__btn--secondary:hover {
  background: var(--bg-hover);
}

/* ═══════════════════════════════════════════════
   Toast 通知
   ═══════════════════════════════════════════════ */

.toast {
  position: fixed;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  z-index: 100;
  opacity: 0;
  transition: transform var(--duration-normal) var(--ease-out-expo),
    opacity var(--duration-normal) var(--ease-out-expo);
  pointer-events: none;
}

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

/* ═══════════════════════════════════════════════
   响应式
   ═══════════════════════════════════════════════ */

@media (max-width: 480px) {
  :root {
    --content-width: 100%;
  }

  .landing {
    padding-top: var(--space-3xl);
  }

  .landing__title {
    font-size: clamp(1.8rem, 8vw, 2.8rem);
  }

  .result-card {
    padding: var(--space-lg) var(--space-md);
  }

  .dimension-row {
    grid-template-columns: 40px 1fr 40px;
  }
}

@media (min-width: 640px) {
  .view {
    padding: var(--space-xl) var(--space-lg);
  }

  .result-actions {
    flex-direction: row;
  }

  .result-actions__btn {
    flex: 1;
  }
}

/* ── 滚动条定制 ── */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* ── 选择高亮 ── */
::selection {
  background: oklch(72% 0.18 45 / 0.3);
  color: var(--text-primary);
}