/* ============================================
   translate.miaoster.net — 公众号入口站
   ============================================ */

:root {
  --primary: #E8772E;
  --primary-light: #F5A86A;
  --primary-dark: #C45A1A;
  --accent: #FF6B6B;
  --accent-light: #FF9E6D;
  --bg: #FFF8F3;
  --card-bg: #FFFFFF;
  --text: #3D2E24;
  --text-light: #8C7A6B;
  --text-muted: #BFAF9E;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 20px rgba(232,119,46,0.10);
  --shadow-hover: 0 8px 30px rgba(232,119,46,0.18);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --transition: 0.25s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ---------- Layout ---------- */
.container {
  max-width: 540px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ---------- Header ---------- */
.site-header {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--primary-light));
  color: #fff;
  text-align: center;
  padding: 48px 20px 40px;
  position: relative;
  overflow: hidden;
}

.site-header::before {
  content: '';
  position: absolute;
  top: -60%;
  left: -40%;
  width: 180%;
  height: 180%;
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.site-header .logo-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 8px;
}

.site-header h1 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.site-header p {
  font-size: 0.9rem;
  opacity: 0.85;
  margin-top: 6px;
}

.header-em {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  border-radius: 20px;
  padding: 4px 14px;
  font-size: 0.75rem;
  margin-top: 12px;
  letter-spacing: 0.3px;
}

/* ---------- Main Entry Card ---------- */
.entry-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin: -24px 16px 20px;
  padding: 24px 20px;
  position: relative;
  z-index: 2;
  text-align: center;
  border: 2px solid var(--primary-light);
  transition: box-shadow var(--transition);
}

.entry-card:hover { box-shadow: var(--shadow-hover); }

.entry-card .entry-icon {
  font-size: 2.4rem;
  display: block;
  margin-bottom: 4px;
}

.entry-card h2 {
  font-size: 1.15rem;
  color: var(--primary-dark);
  margin-bottom: 4px;
}

.entry-card p {
  font-size: 0.82rem;
  color: var(--text-light);
  margin-bottom: 12px;
}

.entry-card .entry-tags {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.entry-card .tag {
  background: var(--bg);
  color: var(--text-light);
  font-size: 0.7rem;
  padding: 2px 10px;
  border-radius: 12px;
}

.btn-entry {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 10px 40px;
  border-radius: 30px;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  transition: background var(--transition), transform var(--transition);
}

.btn-entry:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

/* ---------- Section Title ---------- */
.section-title {
  text-align: center;
  padding: 20px 16px 10px;
  font-size: 1.1rem;
  color: var(--text);
  font-weight: 600;
}

.section-title .sub {
  display: block;
  font-size: 0.78rem;
  color: var(--text-light);
  font-weight: 400;
  margin-top: 2px;
}

/* ---------- Card Grid ---------- */
.card-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 0 16px 32px;
  max-width: 540px;
  margin: 0 auto;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  padding: 18px 18px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--text);
  transition: box-shadow var(--transition), transform var(--transition);
  cursor: pointer;
  border: none;
  width: 100%;
  text-align: left;
  font-family: var(--font);
}

.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.card-icon.color1 { background: #FFF0E0; }
.card-icon.color2 { background: #FFE8E0; }
.card-icon.color3 { background: #FFF5E0; }
.card-icon.color4 { background: #FFE8EE; }
.card-icon.color5 { background: #FFF0E8; }

.card-content { flex: 1; min-width: 0; }

.card-content h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 1px;
}

.card-content p {
  font-size: 0.75rem;
  color: var(--text-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-arrow {
  color: var(--text-muted);
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* ---------- Sub-item list (inside pages) ---------- */
.sub-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0 16px 32px;
  max-width: 540px;
  margin: 0 auto;
}

.sub-item {
  background: var(--card-bg);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
  transition: box-shadow var(--transition), transform var(--transition);
}

.sub-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-1px);
}

.sub-item .si-icon { font-size: 1.3rem; flex-shrink: 0; }
.sub-item .si-text h4 { font-size: 0.9rem; font-weight: 600; }
.sub-item .si-text p { font-size: 0.72rem; color: var(--text-light); }
.sub-item .si-arrow { margin-left: auto; color: var(--text-muted); font-size: 0.9rem; }

/* ---------- Translation Tool ---------- */
.translate-page { padding: 16px 0 32px; }

.translate-box {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin: 0 16px 16px;
  max-width: 508px;
}

.lang-selector {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 16px;
}

.lang-selector select {
  flex: 1;
  padding: 8px 10px;
  border: 1.5px solid #DDE2E8;
  border-radius: 8px;
  font-size: 0.85rem;
  font-family: var(--font);
  background: #fff;
  color: var(--text);
  cursor: pointer;
}

.lang-swap {
  background: var(--bg);
  border: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  transition: background var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.lang-swap:hover { background: #E0E5EB; }

.translate-textarea {
  position: relative;
  margin-bottom: 10px;
}

.translate-textarea textarea {
  width: 100%;
  height: 120px;
  padding: 12px 14px;
  border: 1.5px solid #DDE2E8;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: var(--font);
  resize: vertical;
  transition: border-color var(--transition);
}

.translate-textarea textarea:focus {
  outline: none;
  border-color: var(--primary-light);
}

.translate-textarea .ta-actions {
  position: absolute;
  bottom: 8px;
  right: 8px;
  display: flex;
  gap: 6px;
}

.btn-icon {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: var(--bg);
  cursor: pointer;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.btn-icon:hover { background: #E0E5EB; }
.btn-icon:active { transform: scale(0.92); }

.btn-icon.recording {
  background: #E74C3C;
  color: #fff;
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(231,76,60,0.5); }
  50% { box-shadow: 0 0 0 8px rgba(231,76,60,0); }
}

.btn-translate {
  width: 100%;
  padding: 10px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: var(--font);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition);
  margin-bottom: 14px;
}

.btn-translate:hover { background: var(--primary-dark); }
.btn-translate:disabled {
  background: #BDC3C7;
  cursor: not-allowed;
}

/* Result box */
.result-box {
  background: #F8FAFC;
  border-radius: var(--radius-sm);
  padding: 14px;
  min-height: 60px;
}

.result-box .result-label {
  font-size: 0.72rem;
  color: var(--text-light);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.result-box .result-text {
  font-size: 1rem;
  line-height: 1.5;
  word-break: break-word;
}

.result-box .result-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.result-box .result-actions button {
  background: #fff;
  border: 1px solid #DDE2E8;
  border-radius: 20px;
  padding: 4px 14px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  font-family: var(--font);
}

.result-box .result-actions button:hover {
  border-color: var(--primary-light);
  background: #EDF2F7;
}

/* ---------- Donation Page ---------- */
.donation-page {
  text-align: center;
  padding: 32px 16px;
}

.donation-page .donation-icon {
  font-size: 4rem;
  margin-bottom: 12px;
}

.donation-page h2 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.donation-page p {
  color: var(--text-light);
  font-size: 0.88rem;
  max-width: 400px;
  margin: 0 auto 24px;
}

.donation-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 320px;
  margin: 0 auto;
}

.donation-options .donate-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font);
  transition: transform var(--transition), box-shadow var(--transition);
}

.donation-options .donate-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.donate-wechat {
  background: #07C160;
  color: #fff;
}

.donate-alipay {
  background: #1677FF;
  color: #fff;
}

.donate-coffee {
  background: var(--accent);
  color: #fff;
}

/* ---------- Placeholder Page ---------- */
.placeholder-page {
  text-align: center;
  padding: 60px 20px;
}

.placeholder-page .pp-icon {
  font-size: 4rem;
  margin-bottom: 12px;
}

.placeholder-page h2 {
  font-size: 1.3rem;
  margin-bottom: 6px;
}

.placeholder-page p {
  color: var(--text-light);
  font-size: 0.85rem;
  margin-bottom: 24px;
}

.btn-back {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 10px 32px;
  border-radius: 30px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background var(--transition);
}

.btn-back:hover { background: var(--primary-dark); }

/* ---------- Back Header ---------- */
.page-header {
  background: var(--primary);
  color: #fff;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.page-header .back-btn {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
}

.page-header h2 {
  font-size: 1rem;
  font-weight: 600;
  flex: 1;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--text);
  color: #fff;
  padding: 10px 24px;
  border-radius: 30px;
  font-size: 0.85rem;
  opacity: 0;
  transition: all 0.35s ease;
  z-index: 999;
  pointer-events: none;
  white-space: nowrap;
}

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

/* ---------- Responsive ---------- */
@media (min-width: 600px) {
  .container { padding: 0 24px; }
  .site-header { padding: 60px 20px 50px; }
  .site-header h1 { font-size: 2rem; }
  .card-grid { gap: 14px; }
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #DDE2E8; border-radius: 3px; }