/* ==========================================================================
   base.css · 复位、布局、通用组件（按钮/卡片/标签/动画）
   ========================================================================== */
* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  color: var(--c-ink);
  background:
    radial-gradient(1200px 700px at 12% -10%, #ffe9d2 0%, transparent 60%),
    radial-gradient(1000px 620px at 100% 0%, #d9f4f1 0%, transparent 55%),
    radial-gradient(900px 700px at 60% 120%, #e6e2ff 0%, transparent 60%),
    linear-gradient(160deg, var(--c-bg-1), var(--c-bg-2) 55%, var(--c-bg-3));
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

#app {
  max-width: 1040px;
  margin: 0 auto;
  padding: 22px 20px 60px;
}

h1, h2, h3 { line-height: 1.25; margin: 0 0 8px; }
h1 { font-size: 28px; font-weight: 700; }
h2 { font-size: 22px; font-weight: 700; }
h3 { font-size: 18px; font-weight: 600; }
p { margin: 0 0 10px; }
a { color: var(--c-purple); }

.muted { color: var(--c-ink-2); }
.tiny { font-size: 12.5px; color: var(--c-ink-3); }

/* ---------- 品牌头 ---------- */
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}
.brand__egg {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  font-size: 34px;
  background: linear-gradient(150deg, #fff, #ffe6cf);
  border-radius: 50%;
  box-shadow: var(--sh-2);
  animation: breathe 3.4s var(--ease) infinite;
}
.brand__name { font-size: 22px; font-weight: 700; letter-spacing: 0.3px; }
.brand__sub { font-size: 13px; color: var(--c-ink-2); }

/* ---------- 卡片 ---------- */
.card {
  background: var(--glass-strong);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
  backdrop-filter: blur(10px);
  padding: 20px;
  margin-bottom: 16px;
}
.card--tight { padding: 14px 16px; }
.card--flat { background: #fff; }

/* ---------- 按钮 ---------- */
.btn {
  appearance: none;
  border: 0;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(180deg, var(--c-primary-2), var(--c-primary));
  padding: 12px 22px;
  border-radius: var(--r-pill);
  box-shadow: 0 8px 18px rgba(255, 140, 66, 0.36), var(--sh-in);
  cursor: pointer;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    filter var(--dur) var(--ease);
}
.btn:hover { transform: translateY(-2px); filter: brightness(1.04); }
.btn:active { transform: translateY(1px) scale(0.99); }
.btn:disabled { opacity: 0.55; cursor: default; transform: none; filter: none; }

.btn--teal { background: linear-gradient(180deg, #6fe0d8, var(--c-teal));
  box-shadow: 0 8px 18px rgba(78, 205, 196, 0.38), var(--sh-in); }
.btn--purple { background: linear-gradient(180deg, var(--c-purple-2), var(--c-purple));
  box-shadow: 0 8px 18px rgba(108, 92, 231, 0.36), var(--sh-in); }
.btn--ghost {
  background: rgba(255, 255, 255, 0.8);
  color: var(--c-ink);
  box-shadow: var(--sh-1);
  border: 1px solid rgba(45, 52, 54, 0.08);
}
.btn--sm { padding: 8px 15px; font-size: 14px; }
.btn--block { width: 100%; }

/* ---------- 输入 ---------- */
.field { margin-bottom: 12px; }
.field__label { display: block; font-size: 13.5px; color: var(--c-ink-2); margin-bottom: 6px; }
.input {
  width: 100%;
  font-family: inherit;
  font-size: 16px;
  color: var(--c-ink);
  padding: 12px 14px;
  border-radius: var(--r-md);
  border: 1.5px solid rgba(45, 52, 54, 0.12);
  background: #fff;
  outline: none;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.input:focus { border-color: var(--c-teal); box-shadow: 0 0 0 4px rgba(78, 205, 196, 0.18); }

/* ---------- 标签 / 徽标 ---------- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--r-pill);
  font-size: 13.5px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--sh-1);
}
.pill--gold { color: #a06e00; }
.pill--purple { color: var(--c-purple); }
.pill--teal { color: #128a83; }

/* ---------- 布局 ---------- */
.row { display: flex; align-items: center; gap: 10px; }
.row--between { justify-content: space-between; }
.row--wrap { flex-wrap: wrap; }
.grow { flex: 1; }
.center { text-align: center; }
.hidden { display: none !important; }

/* ---------- 提示条 ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 30px;
  transform: translateX(-50%) translateY(20px);
  background: rgba(45, 52, 54, 0.92);
  color: #fff;
  padding: 11px 20px;
  border-radius: var(--r-pill);
  box-shadow: var(--sh-2);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  z-index: 90;
  max-width: 82vw;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- 动画 ---------- */
@keyframes breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
@keyframes pop {
  0% { transform: scale(0.7); opacity: 0; }
  60% { transform: scale(1.08); opacity: 1; }
  100% { transform: scale(1); }
}
@keyframes lit {
  0% { box-shadow: 0 0 0 0 rgba(255, 180, 0, 0.6); }
  100% { box-shadow: 0 0 0 18px rgba(255, 180, 0, 0); }
}
@keyframes shake-soft {
  0%, 100% { transform: rotate(0); }
  30% { transform: rotate(-4deg); }
  60% { transform: rotate(4deg); }
}
.anim-pop { animation: pop var(--dur-slow) var(--ease) both; }
.anim-floaty { animation: floaty 3s var(--ease) infinite; }

@media (max-width: 700px) {
  #app { padding: 16px 14px 48px; }
  h1 { font-size: 23px; }
}