/* ════════════════════════════════════════════════
   micoxiaoke.com — Design System v2
   for baby, with love — k
   ════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Noto+Serif+SC:wght@300;400;500;600&family=Playfair+Display:ital,wght@0,400;0,500;0,600;1,400;1,500&display=swap');

/* ── Theme: Peach Dream (default) ── */
:root {
  --bg-base: #fff7f3;
  --bg-raised: #ffffff;
  --bg-sunken: #fff0ea;
  --bg-hover: rgba(253,164,175,0.07);

  --text-primary: #6b4c5e;
  --text-secondary: #a78b98;
  --text-tertiary: #ccb5be;
  --text-inverse: #fff;

  /* 三色搭配：嫩珊瑚粉 + 薰衣草紫 + 蜜桃杏 */
  --accent: #f0919b;
  --accent-soft: rgba(240,145,155,0.12);
  --accent-hover: #e87a85;
  --accent-glow: rgba(240,145,155,0.18);

  --accent-2: #c4a5e0;
  --accent-2-soft: rgba(196,165,224,0.12);
  --accent-3: #f4c490;
  --accent-3-soft: rgba(244,196,144,0.12);

  --border: rgba(200,160,180,0.14);
  --border-strong: rgba(200,160,180,0.25);
  --shadow-sm: 0 1px 4px rgba(180,120,150,0.06);
  --shadow-md: 0 4px 16px rgba(180,120,150,0.08);
  --shadow-lg: 0 8px 32px rgba(180,120,150,0.10);
  --shadow-float: 0 12px 40px rgba(180,120,150,0.14);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 0.15s var(--ease-out);
  --transition-normal: 0.25s var(--ease-out);
  --transition-slow: 0.4s var(--ease-out);

  --font-sans: "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
  --font-display: "Playfair Display", "Cormorant Garamond", Georgia, serif;
  --font-script: "Cormorant Garamond", "Playfair Display", Georgia, serif;

  --z-base: 1;
  --z-sticky: 10;
  --z-sidebar: 50;
  --z-overlay: 40;
  --z-modal: 60;
  --z-toast: 80;
  --z-gate: 100;

  --sidebar-w: 260px;
  --topbar-h: 54px;
}

/* ── Theme: Mint Garden ── */
body.theme-mint {
  --bg-base: #f2fbf6;
  --bg-raised: #ffffff;
  --bg-sunken: #e6f7ed;
  --bg-hover: rgba(110,231,183,0.07);
  --text-primary: #3c5a4e;
  --text-secondary: #7da496;
  --text-tertiary: #a8c8bc;

  --accent: #6ec8a0;
  --accent-soft: rgba(110,200,160,0.12);
  --accent-hover: #56b68c;
  --accent-glow: rgba(110,200,160,0.18);
  --accent-2: #7cb8e4;
  --accent-2-soft: rgba(124,184,228,0.12);
  --accent-3: #f0d08c;
  --accent-3-soft: rgba(240,208,140,0.12);

  --border: rgba(140,190,170,0.14);
  --border-strong: rgba(140,190,170,0.25);
  --shadow-sm: 0 1px 4px rgba(80,150,120,0.06);
  --shadow-md: 0 4px 16px rgba(80,150,120,0.08);
  --shadow-lg: 0 8px 32px rgba(80,150,120,0.10);
  --shadow-float: 0 12px 40px rgba(80,150,120,0.14);
}

/* ── Theme: Berry Blossom ── */
body.theme-berry {
  --bg-base: #fef2f6;
  --bg-raised: #ffffff;
  --bg-sunken: #fce4ee;
  --bg-hover: rgba(249,168,212,0.07);
  --text-primary: #5c3848;
  --text-secondary: #a0788c;
  --text-tertiary: #cca8b8;

  --accent: #f0a0c0;
  --accent-soft: rgba(240,160,192,0.12);
  --accent-hover: #e888b0;
  --accent-glow: rgba(240,160,192,0.18);
  --accent-2: #c898e4;
  --accent-2-soft: rgba(200,152,228,0.12);
  --accent-3: #80d0e8;
  --accent-3-soft: rgba(128,208,232,0.12);

  --border: rgba(200,140,170,0.14);
  --border-strong: rgba(200,140,170,0.25);
  --shadow-sm: 0 1px 4px rgba(160,100,130,0.06);
  --shadow-md: 0 4px 16px rgba(160,100,130,0.08);
  --shadow-lg: 0 8px 32px rgba(160,100,130,0.10);
  --shadow-float: 0 12px 40px rgba(160,100,130,0.14);
}

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

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

body {
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

::selection {
  background: var(--accent-soft);
  color: var(--text-primary);
}

::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* ── Typography ── */
.font-serif { font-family: var(--font-serif); }
.font-display { font-family: var(--font-display); }
.font-script { font-family: var(--font-script); }
.text-muted { color: var(--text-secondary); }
.text-faint { color: var(--text-tertiary); }
.text-accent { color: var(--accent); }
.text-accent-2 { color: var(--accent-2); }
.text-accent-3 { color: var(--accent-3); }

/* ── Layout Shell ── */
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

.app-main {
  flex: 1;
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  padding: 16px 20px 32px;
}

/* ── Topbar ── */
.topbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: rgba(255,247,243,0.88);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition-fast);
}
body.theme-mint .topbar { background: rgba(242,251,246,0.88); }
body.theme-berry .topbar { background: rgba(254,242,246,0.88); }

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

.topbar-subtitle {
  font-family: var(--font-script);
  font-size: 12px;
  font-weight: 300;
  font-style: italic;
  color: var(--accent-2);
  letter-spacing: 0.04em;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ── Sidebar ── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(107,76,94,0.15);
  z-index: var(--z-overlay);
  opacity: 0;
  transition: opacity var(--transition-normal);
}
.sidebar-overlay.open {
  display: block;
  opacity: 1;
}

.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-w);
  z-index: var(--z-sidebar);
  background: var(--bg-base);
  border-right: 1px solid var(--border);
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.sidebar.open { transform: translateX(0); }

.sidebar-header {
  padding: 22px 20px 18px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, var(--accent-soft), var(--accent-2-soft));
}

.sidebar-brand {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  font-style: italic;
  color: var(--accent);
}

.sidebar-brand-sub {
  font-family: var(--font-script);
  font-size: 12px;
  font-style: italic;
  color: var(--accent-2);
  letter-spacing: 0.05em;
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: all var(--transition-fast);
  margin-bottom: 2px;
}
.sidebar-link:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.sidebar-link.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 500;
}
.sidebar-link .nav-icon {
  font-size: 16px;
  width: 22px;
  text-align: center;
  flex-shrink: 0;
}

/* 给不同导航项不同的active颜色 */
.sidebar-link[data-color="pink"].active { background: var(--accent-soft); color: var(--accent); }
.sidebar-link[data-color="purple"].active { background: var(--accent-2-soft); color: var(--accent-2); }
.sidebar-link[data-color="peach"].active { background: var(--accent-3-soft); color: var(--accent-3); }

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-tertiary);
  font-family: var(--font-script);
  font-style: italic;
  letter-spacing: 0.04em;
}

/* ── Icon Button ── */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 16px;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.icon-btn:hover {
  background: var(--bg-hover);
  color: var(--accent);
}

/* ── Card ── */
.card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}
.card:hover {
  box-shadow: var(--shadow-md);
}
.card + .card { margin-top: 10px; }

/* Multi-color left borders for cards */
.card-pink { border-left: 3px solid var(--accent); }
.card-purple { border-left: 3px solid var(--accent-2); }
.card-peach { border-left: 3px solid var(--accent-3); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
}

/* ── Button ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 18px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1.4;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--text-inverse);
  box-shadow: 0 2px 8px var(--accent-glow);
}
.btn-primary:hover {
  box-shadow: 0 4px 14px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-soft {
  background: var(--accent-soft);
  color: var(--accent);
}
.btn-soft:hover { background: var(--accent-glow); }

.btn-soft-2 {
  background: var(--accent-2-soft);
  color: var(--accent-2);
}
.btn-soft-2:hover { background: rgba(196,165,224,0.18); }

.btn-sm {
  padding: 5px 12px;
  font-size: 12px;
  border-radius: 8px;
}

/* ── Input ── */
.input {
  width: 100%;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 10px 14px;
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-appearance: none;
}
.input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.input::placeholder { color: var(--text-tertiary); }

textarea.input {
  min-height: 80px;
  resize: vertical;
  line-height: 1.6;
}

select.input { cursor: pointer; }

/* ── Badge (multi-color!) ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.badge-memory { background: var(--accent-2-soft); color: var(--accent-2); }
.badge-event { background: var(--accent-soft); color: var(--accent); }
.badge-moment { background: rgba(110,200,160,0.12); color: #6ec8a0; }
.badge-promises { background: var(--accent-3-soft); color: #d4a060; }
.badge-wishlist { background: rgba(128,180,228,0.12); color: #7cb4e0; }

/* ── Modal ── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(107,76,94,0.18);
  z-index: var(--z-modal);
  align-items: flex-end;
  justify-content: center;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: 24px;
  width: 100%;
  max-width: 460px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-float);
  animation: slideUp 0.3s var(--ease-out);
}

.modal-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
  font-style: italic;
  margin-bottom: 16px;
  color: var(--accent);
}

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 16px;
}

/* ── Toast ── */
.toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-size: 13px;
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.35s var(--ease-out);
  pointer-events: auto;
}
.toast.out { animation: toastOut 0.25s var(--ease-out) forwards; }

/* ── Password Gate ── */
.login-gate {
  position: fixed;
  inset: 0;
  z-index: var(--z-gate);
  background: linear-gradient(160deg, var(--bg-base) 0%, var(--bg-sunken) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
}

.gate-logo {
  font-family: var(--font-display);
  font-size: 52px;
  font-weight: 400;
  font-style: italic;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.gate-hint {
  font-family: var(--font-script);
  font-size: 14px;
  font-style: italic;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
}

.gate-input {
  width: 220px;
  text-align: center;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--text-primary);
  font-size: 15px;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.gate-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.gate-btn {
  padding: 10px 36px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--text-inverse);
  border: none;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 10px var(--accent-glow);
}
.gate-btn:hover { box-shadow: 0 4px 18px var(--accent-glow); transform: translateY(-1px); }
.gate-btn:active { transform: scale(0.97); }

.gate-error {
  font-size: 12px;
  color: var(--accent);
  display: none;
}

/* ── FAB ── */
.fab {
  position: fixed;
  bottom: 24px;
  right: 20px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--text-inverse);
  border: none;
  font-size: 24px;
  cursor: pointer;
  box-shadow: 0 4px 16px var(--accent-glow);
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.fab:hover {
  box-shadow: 0 6px 24px var(--accent-glow);
  transform: translateY(-2px);
}
.fab:active { transform: scale(0.92); }

/* ── Animations ── */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(20px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.08); opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.anim-fade-in { animation: fadeIn 0.4s var(--ease-out); }
.anim-fade-up { animation: fadeInUp 0.45s var(--ease-out); }
.anim-scale-in { animation: scaleIn 0.35s var(--ease-out); }
.anim-float { animation: float 3s ease-in-out infinite; }

/* ── Stagger ── */
.stagger > * { animation: fadeInUp 0.4s var(--ease-out) backwards; }
.stagger > *:nth-child(1) { animation-delay: 0.03s; }
.stagger > *:nth-child(2) { animation-delay: 0.06s; }
.stagger > *:nth-child(3) { animation-delay: 0.09s; }
.stagger > *:nth-child(4) { animation-delay: 0.12s; }
.stagger > *:nth-child(5) { animation-delay: 0.15s; }
.stagger > *:nth-child(6) { animation-delay: 0.18s; }
.stagger > *:nth-child(7) { animation-delay: 0.21s; }
.stagger > *:nth-child(8) { animation-delay: 0.24s; }
.stagger > *:nth-child(n+9) { animation-delay: 0.27s; }

/* ── Decorative: gradient text ── */
.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Utility ── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Responsive ── */
@media (max-width: 420px) {
  .app-main { padding: 12px 14px 24px; }
  .topbar { padding: 0 14px; }
  .card { padding: 14px 16px; }
  .modal { padding: 20px 16px; }
}