/* ============================================================================
   基础层：设计变量、重置、排版、按钮、表单控件
   主题色由 js/utils.js 的 applyTheme() 按用户设置动态覆盖 --primary 系列变量。
   ========================================================================== */

:root {
  /* —— 柔粉色主色系（可被设置页动态替换） —— */
  --primary: #FF8FA3;
  --primary-dark: #E56E8A;
  --primary-light: #FFC2D0;
  --primary-soft: rgba(255, 143, 163, .14);
  --primary-softer: rgba(255, 143, 163, .07);
  --primary-ring: rgba(255, 143, 163, .32);
  --on-primary: #ffffff;

  /* —— 打卡完成度色块（日历用，4 级递深） —— */
  --lvl-1: rgba(255, 143, 163, .16);
  --lvl-2: rgba(255, 143, 163, .36);
  --lvl-3: rgba(255, 143, 163, .60);
  --lvl-4: #FF8FA3;

  /* —— 中性色 —— */
  --bg: #FFF9FB;
  --bg-2: #FFF1F5;
  --card: #FFFFFF;
  --line: #F7E6EC;
  --line-strong: #EFD5DF;
  --text: #3F2C34;
  --text-2: #7D646C;
  --text-3: #AB939B;

  /* —— 语义色 —— */
  --good: #4CC38A;
  --warn: #FFAE45;
  --danger: #FF6B8A;
  --info: #6FA8F5;

  /* —— 圆角 / 阴影 —— */
  --radius-sm: 12px;
  --radius: 18px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(214, 140, 163, .08);
  --shadow: 0 8px 22px rgba(214, 140, 163, .13);
  --shadow-lg: 0 18px 48px rgba(197, 118, 143, .20);

  /* —— 尺寸 —— */
  --sidebar-w: 236px;
  --sidebar-w-sm: 78px;
  --tabbar-h: 62px;
  --tap: 44px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

/* ------------------------------------------------------------------ 重置 -- */

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  background:
    radial-gradient(900px 460px at 12% -8%, var(--primary-softer), transparent 62%),
    radial-gradient(760px 420px at 108% 6%, rgba(255, 194, 208, .22), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overscroll-behavior-y: none;
  -webkit-tap-highlight-color: transparent;
}

body.is-locked { overflow: hidden; }

h1, h2, h3, h4, p, figure { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
a { color: var(--primary-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
b, strong { font-weight: 700; }

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border-radius: 99px;
  border: 2px solid transparent;
  background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover { background: var(--primary-light); background-clip: content-box; }
::-webkit-scrollbar-track { background: transparent; }

.hidden { display: none !important; }
.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;
}

/* ------------------------------------------------------------------ 按钮 -- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary-dark);
  background: var(--primary-soft);
  transition: transform .18s cubic-bezier(.2, .8, .3, 1), box-shadow .18s, background .18s, color .18s;
  white-space: nowrap;
  user-select: none;
}

.btn:active { transform: scale(.96); }

@media (hover: hover) {
  .btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
}

.btn--primary {
  color: var(--on-primary);
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  box-shadow: 0 6px 18px var(--primary-ring);
}
@media (hover: hover) {
  .btn--primary:hover { box-shadow: 0 10px 24px var(--primary-ring); }
}

.btn--danger {
  color: #fff;
  background: linear-gradient(135deg, #FFA3B6, var(--danger));
  box-shadow: 0 6px 18px rgba(255, 107, 138, .3);
}

.btn--ghost {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--line-strong);
}
@media (hover: hover) {
  .btn--ghost:hover {
    background: var(--primary-softer);
    color: var(--primary-dark);
    border-color: var(--primary-ring);
  }
}

.btn--sm { min-height: 34px; padding: 0 13px; font-size: 13px; }
.btn--lg { min-height: 48px; padding: 0 24px; font-size: 15px; }
.btn--block { width: 100%; }
.btn--icon { min-width: 38px; padding: 0 10px; }

.btn:disabled {
  opacity: .55;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none;
}

/* ------------------------------------------------------------------ 表单 -- */

.input {
  width: 100%;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: #fff;
  font-size: 15px;
  transition: border-color .18s, box-shadow .18s, background .18s;
}

.input::placeholder { color: var(--text-3); }

.input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}

.input:disabled { background: var(--bg-2); color: var(--text-3); }

.input--area { resize: vertical; min-height: 78px; line-height: 1.55; }

select.input {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 36px;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23AB939B' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  cursor: pointer;
}

input[type="date"].input,
input[type="time"].input { min-height: 44px; }

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 15px;
}

.field__label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-2);
  display: flex;
  align-items: center;
  gap: 3px;
}

.field .req { color: var(--danger); font-style: normal; }

.field__hint { font-size: 11.5px; color: var(--text-3); }

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.checkbox {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-2);
  cursor: pointer;
}
.checkbox input { width: 18px; height: 18px; accent-color: var(--primary); }

/* ------------------------------------------------------------ 移动端适配 -- */

@media (max-width: 860px) {
  /* 手指友好的点击尺寸 */
  .btn { min-height: 46px; padding: 0 20px; font-size: 14.5px; }
  .btn--sm { min-height: 38px; padding: 0 14px; font-size: 13.5px; }

  /* 16px 可避免 iOS 聚焦输入框时自动放大页面 */
  .input,
  input[type="date"].input,
  input[type="time"].input { font-size: 16px; min-height: 48px; }
}

/* ------------------------------------------------------------ 减少动效 -- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------------------------------------------------------------- 打印 -- */

@media print {
  .sidebar, .bottom-tabs, .topbar, .toast-host { display: none !important; }
  .main { margin: 0 !important; padding: 0 !important; }
}