/* ========== 粗犷手绘风 · 移动端优先 ========== */
@import url('https://fonts.googleapis.com/css2?family=ZCOOL+KuaiLe&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

:root {
  --bg: #1a1a2e;
  --bg-card: #222244;
  --border-color: #111;
  --text-primary: #fefefe;
  --text-secondary: #b8b8d0;
  --pink: #ff2d78;
  --orange: #ff6b35;
  --yellow: #ffdd00;
  --cyan: #00e5ff;
  --green: #39ff14;
  --purple: #b537f2;
  --blue: #3d5afe;
  --danger: #ff1744;
  --border-w: 3px;
  --radius: 0px;
  --font-main: 'ZCOOL KuaiLe', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 40px, rgba(255,255,255,0.015) 40px, rgba(255,255,255,0.015) 41px),
    repeating-linear-gradient(90deg, transparent, transparent 40px, rgba(255,255,255,0.015) 40px, rgba(255,255,255,0.015) 41px);
}

/* ========== 粗犷卡片 ========== */
.card {
  background: var(--bg-card);
  border: var(--border-w) solid var(--border-color);
  box-shadow: 6px 6px 0 var(--border-color);
  padding: 20px;
  position: relative;
}

/* ========== 导航（底部Tab栏） ========== */
.nav-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: #111;
  border-top: var(--border-w) solid var(--yellow);
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 6px 0;
  max-width: 500px;
  margin: 0 auto;
}

.nav-logo { display: none; }

.nav-links {
  display: flex;
  width: 100%;
  justify-content: space-around;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 900;
  padding: 8px 20px;
  transition: all 0.2s;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: 2px solid transparent;
}

.nav-link.active {
  color: var(--yellow);
  border: 2px solid var(--yellow);
  background: rgba(255, 221, 0, 0.1);
  box-shadow: 3px 3px 0 var(--border-color);
}

/* ========== 页面通用 ========== */
.page {
  display: none;
  padding-bottom: 80px;
  min-height: 100vh;
  min-height: 100dvh;
}

.page.active { display: block; }

.page-container {
  padding: 20px 16px;
  max-width: 500px;
  margin: 0 auto;
}

.section-title {
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 8px;
  letter-spacing: 3px;
  color: var(--yellow);
  text-shadow: 3px 3px 0 var(--border-color);
}

.section-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

/* ========== 首页英雄区 ========== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 16px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    conic-gradient(from 180deg at 50% 50%, rgba(255,45,120,0.08) 0deg, rgba(0,229,255,0.06) 120deg, rgba(255,221,0,0.06) 240deg, rgba(255,45,120,0.08) 360deg);
  animation: heroPulse 12s ease-in-out infinite alternate;
}

@keyframes heroPulse {
  0% { opacity: 0.5; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  width: 100%;
  max-width: 420px;
}

/* ========== 情侣名字 ========== */
.couple-names {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 10px;
}

.name-zjf, .name-yst {
  font-size: 2.8rem;
  font-weight: 900;
  letter-spacing: 6px;
  text-transform: uppercase;
}

.name-zjf {
  color: var(--cyan);
  text-shadow: 4px 4px 0 var(--border-color), -1px -1px 0 var(--blue);
}

.name-yst {
  color: var(--pink);
  text-shadow: 4px 4px 0 var(--border-color), -1px -1px 0 var(--orange);
}

.heart-icon {
  font-size: 2.4rem;
  color: var(--pink);
  animation: heartBeat 1s ease-in-out infinite;
  text-shadow: 0 0 20px var(--pink);
}

@keyframes heartBeat {
  0%, 100% { transform: scale(1) rotate(0deg); }
  15% { transform: scale(1.3) rotate(-5deg); }
  30% { transform: scale(1) rotate(0deg); }
  45% { transform: scale(1.2) rotate(5deg); }
}

.subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 28px;
  letter-spacing: 3px;
}

/* ========== 计时器卡片 ========== */
.timer-card {
  margin-bottom: 20px;
  padding: 24px 16px;
  border: var(--border-w) solid var(--pink);
  background: var(--bg-card);
  box-shadow: 8px 8px 0 var(--border-color);
}

.timer-label {
  font-size: 1rem;
  color: var(--pink);
  font-weight: 900;
  letter-spacing: 6px;
  text-transform: uppercase;
  margin-bottom: 16px;
  text-shadow: 2px 2px 0 var(--border-color);
}

.timer-display {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.timer-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #111;
  border: 2px solid var(--yellow);
  padding: 12px 10px;
  min-width: 68px;
  box-shadow: 4px 4px 0 var(--border-color);
}

.timer-num {
  font-size: 2.2rem;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  color: var(--yellow);
  line-height: 1.1;
  text-shadow: 2px 2px 0 var(--border-color);
}

.timer-unit {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 6px;
  letter-spacing: 3px;
  font-weight: 900;
}

.timer-total {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--cyan);
  font-weight: 900;
  letter-spacing: 1px;
  font-variant-numeric: tabular-nums;
  text-shadow: 1px 1px 0 var(--border-color);
}

.timer-start {
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* ========== 语录卡片 ========== */
.love-quote {
  text-align: center;
  padding: 18px;
  font-size: 0.92rem;
  color: var(--green);
  line-height: 1.7;
  border: 2px dashed var(--green);
  background: rgba(57, 255, 20, 0.04);
  box-shadow: 4px 4px 0 var(--border-color);
}

/* ========== 输入组件 ========== */
.input-field {
  width: 100%;
  padding: 12px 14px;
  background: #111;
  border: 2px solid var(--text-secondary);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: var(--font-main);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  margin-bottom: 12px;
  -webkit-appearance: none;
}

.input-field:focus {
  border-color: var(--cyan);
  box-shadow: 4px 4px 0 var(--border-color);
}

.input-field::placeholder {
  color: #555;
}

textarea.input-field {
  resize: vertical;
  min-height: 80px;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border: var(--border-w) solid var(--border-color);
  font-size: 0.95rem;
  font-weight: 900;
  font-family: var(--font-main);
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 2px;
  text-transform: uppercase;
  box-shadow: 4px 4px 0 var(--border-color);
}

.btn:active {
  transform: translate(3px, 3px);
  box-shadow: 1px 1px 0 var(--border-color);
}

.btn-primary {
  background: var(--pink);
  color: #fff;
  border-color: var(--border-color);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--text-secondary);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-small {
  padding: 6px 14px;
  font-size: 0.75rem;
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 2px solid var(--text-secondary);
  cursor: pointer;
  font-weight: 900;
  font-family: var(--font-main);
  box-shadow: 3px 3px 0 var(--border-color);
  transition: all 0.15s;
}

.btn-small:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--border-color);
}

.btn-full { width: 100%; }

/* ========== 弹窗 ========== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.modal.hidden { display: none; }

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
}

.modal-content {
  position: relative;
  width: 100%;
  max-width: 500px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 24px 16px;
  animation: slideUp 0.3s ease;
  background: var(--bg-card);
  border: var(--border-w) solid var(--yellow);
  border-bottom: none;
  box-shadow: 0 -6px 0 var(--border-color);
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border: 2px solid var(--danger);
  background: var(--danger);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  box-shadow: 3px 3px 0 var(--border-color);
}

.modal-close:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--border-color);
}

/* ========== Toast ========== */
.toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 24px;
  font-size: 0.9rem;
  font-weight: 900;
  z-index: 9999;
  animation: toastIn 0.3s ease;
  max-width: 90vw;
  text-align: center;
  border: var(--border-w) solid var(--border-color);
  box-shadow: 4px 4px 0 var(--border-color);
  font-family: var(--font-main);
}

.toast.hidden { display: none; }

.toast.success {
  background: var(--green);
  color: #111;
}

.toast.error {
  background: var(--danger);
  color: #fff;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-30px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ========== 加载 ========== */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ========== 分页 ========== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.pagination button {
  padding: 8px 14px;
  border: 2px solid var(--text-secondary);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.8rem;
  cursor: pointer;
  font-weight: 900;
  font-family: var(--font-main);
  box-shadow: 3px 3px 0 var(--border-color);
  transition: all 0.15s;
}

.pagination button:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--border-color);
}

.pagination button.active {
  background: var(--pink);
  border-color: var(--pink);
  color: #fff;
}

.pagination button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ========== 隐藏工具 ========== */
.hidden { display: none !important; }

/* ========== 滚动条 ========== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--purple); }

/* ========== select ========== */
select.input-field {
  background-color: #111;
  cursor: pointer;
}