/*
  模块说明：全局基础样式 —— CSS 变量（配色/圆角/阴影）、浏览器默认样式重置、通用按钮/输入框/卡片/滚动条。
  被谁使用：index.html、reset.html 首先引入本文件，其余 css/*.css 依赖这里定义的 CSS 变量。
  设计取向：参考"欢乐斗地主"——深绿桌布 + 金色描边 + 圆角卡片 + 大号白色按钮；移动端优先，窄屏可玩。
  注意：不加任何 @import / 外链字体，保证离线可用（只用系统字体栈）。
*/

/* ============ 1. 设计变量（一处改全局生效） ============ */
:root {
  /* 主色：深绿桌布系 */
  --c-green-900: #06281c;
  --c-green-800: #0b3d2c;
  --c-green-700: #10543c;
  --c-green-600: #146a4b;
  --c-green-500: #1c8a62;
  --c-green-300: #57c79b;

  /* 金色系：描边、奖励、重点按钮 */
  --c-gold-600: #a9821f;
  --c-gold-500: #d4af37;
  --c-gold-400: #e8c552;
  --c-gold-200: #f7e6a8;
  --c-gold-grad: linear-gradient(180deg, #f7e6a8 0%, #e8c552 45%, #cda22c 100%);
  --c-gold-grad-hover: linear-gradient(180deg, #fff2c2 0%, #f0d268 45%, #d9ae33 100%);

  /* 功能色 */
  --c-primary: #1f9d68;
  --c-primary-hover: #25b377;
  --c-danger: #d94a4a;
  --c-danger-hover: #ea5c5c;
  --c-warn: #e6a23c;
  --c-info: #4a90d9;
  --c-white: #ffffff;
  --c-text: #eaf5ef;
  --c-text-dim: #9dc0af;
  --c-text-dark: #17352a;

  /* 面/线 */
  --c-panel: rgba(9, 46, 33, 0.92);
  --c-panel-2: rgba(16, 84, 60, 0.55);
  --c-panel-3: rgba(255, 255, 255, 0.06);
  --c-line: rgba(212, 175, 55, 0.38);
  --c-line-soft: rgba(255, 255, 255, 0.12);
  --c-overlay: rgba(2, 15, 10, 0.72);

  /* 圆角/阴影/层级 */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 22px;
  --r-pill: 999px;
  --sh-1: 0 2px 8px rgba(0, 0, 0, 0.28);
  --sh-2: 0 8px 24px rgba(0, 0, 0, 0.38);
  --sh-3: 0 16px 48px rgba(0, 0, 0, 0.5);
  --z-header: 50;
  --z-modal: 1000;
  --z-toast: 1200;

  /* 尺寸 */
  --h-control: 42px;
  --h-control-lg: 50px;
  --page-max: 1180px;
}

/* ============ 2. 重置 ============ */
*,
*::before,
*::after { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  color: var(--c-text);
  /* 为什么用径向渐变：模拟牌桌中心灯光的明暗层次，比纯色更有质感且零图片依赖 */
  background:
    radial-gradient(1200px 700px at 50% -10%, #16674a 0%, rgba(11, 61, 44, 0) 60%),
    radial-gradient(900px 600px at 50% 110%, #0a3f2d 0%, rgba(6, 40, 28, 0) 55%),
    linear-gradient(180deg, var(--c-green-800) 0%, var(--c-green-900) 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
}

h1, h2, h3, h4, p, figure, ol, ul { margin: 0; }
ol, ul { padding: 0; list-style: none; }
a { color: var(--c-gold-400); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; color: inherit; }
img { max-width: 100%; display: block; }
.hidden { display: none !important; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

/* 无障碍：仅供读屏的文本 */
.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;
}

/* ============ 3. 滚动条（深色主题统一观感） ============ */
* { scrollbar-width: thin; scrollbar-color: var(--c-gold-600) rgba(0, 0, 0, 0.25); }
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: rgba(0, 0, 0, 0.22); border-radius: var(--r-pill); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--c-gold-400), var(--c-gold-600));
  border-radius: var(--r-pill);
}
::-webkit-scrollbar-thumb:hover { background: var(--c-gold-200); }

/* ============ 4. 布局骨架 ============ */
.app-header {
  position: sticky; top: 0; z-index: var(--z-header);
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 8px 14px;
  background: linear-gradient(180deg, rgba(6, 40, 28, 0.98), rgba(6, 40, 28, 0.88));
  border-bottom: 2px solid var(--c-line);
  box-shadow: var(--sh-1);
  backdrop-filter: blur(6px);
  flex-wrap: wrap;
}
.app-header__left { display: flex; align-items: center; gap: 10px; min-width: 0; }
.app-header__right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.brand { display: inline-flex; align-items: center; gap: 6px; font-weight: 800; letter-spacing: 0.5px; }
.brand__icon { color: var(--c-gold-400); font-size: 20px; text-shadow: 0 0 8px rgba(212, 175, 55, 0.6); }
.brand__text { font-size: 16px; color: var(--c-gold-200); }
.brand__tag {
  font-size: 12px; color: var(--c-text-dim);
  border: 1px solid var(--c-line-soft); border-radius: var(--r-pill); padding: 1px 8px;
}

.app-main { max-width: var(--page-max); margin: 0 auto; padding: 14px; }
.view { animation: view-in 0.22s ease-out; }
@keyframes view-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.app-footer {
  max-width: var(--page-max); margin: 0 auto; padding: 14px 14px 26px;
  font-size: 12px; color: var(--c-text-dim); text-align: center;
}

/* ============ 5. 卡片 ============ */
.card {
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-2);
  padding: 16px;
}
.card--flush { padding: 0; overflow: hidden; }
.card__title {
  display: flex; align-items: center; gap: 8px;
  font-size: 16px; font-weight: 700; color: var(--c-gold-200); margin-bottom: 10px;
}
.card__title::before {
  content: ''; width: 4px; height: 16px; border-radius: 2px;
  background: var(--c-gold-grad);
}

/* ============ 6. 按钮 ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: var(--h-control);
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  background: var(--c-panel-3);
  color: var(--c-white);
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  transition: transform 0.08s ease, filter 0.15s ease, background 0.15s ease, opacity 0.15s;
  white-space: nowrap;
}
.btn:hover { filter: brightness(1.08); }
.btn:active { transform: translateY(1px) scale(0.99); }
.btn:disabled, .btn.is-disabled { opacity: 0.45; cursor: not-allowed; filter: none; transform: none; }

.btn--primary { background: linear-gradient(180deg, #2bc189, #17915f); border-color: #0f6c47; box-shadow: 0 3px 0 #0c5537; }
.btn--gold { background: var(--c-gold-grad); color: var(--c-text-dark); border-color: var(--c-gold-600); box-shadow: 0 3px 0 #8f6d17; }
.btn--gold:hover { background: var(--c-gold-grad-hover); }
.btn--danger { background: linear-gradient(180deg, #e46565, #c33a3a); border-color: #8f2a2a; box-shadow: 0 3px 0 #7d2424; }
.btn--info { background: linear-gradient(180deg, #5fa4e6, #3d7dbd); border-color: #2c5c8c; box-shadow: 0 3px 0 #26507a; }
.btn--outline { background: transparent; border-color: var(--c-line); color: var(--c-gold-200); }
.btn--outline:hover { background: rgba(212, 175, 55, 0.12); }
.btn--ghost { background: transparent; border-color: var(--c-line-soft); color: var(--c-text-dim); }
.btn--ghost:hover { color: var(--c-white); background: rgba(255, 255, 255, 0.06); }

.btn--sm { min-height: 32px; padding: 0 10px; font-size: 13px; border-radius: var(--r-sm); box-shadow: none; }
.btn--lg { min-height: var(--h-control-lg); font-size: 17px; padding: 0 26px; }
.btn--block { display: flex; width: 100%; }
.btn--pill { border-radius: var(--r-pill); }

/* ============ 7. 表单 ============ */
.field { margin-bottom: 14px; }
.field__label { display: block; font-size: 13px; color: var(--c-text-dim); margin-bottom: 6px; }
.field__row { display: flex; gap: 8px; align-items: stretch; }
.field__row .input { flex: 1 1 auto; min-width: 0; }
.field__hint { font-size: 12px; color: var(--c-text-dim); margin-top: 5px; }
.field__error { font-size: 12px; color: #ff9d9d; min-height: 16px; margin-top: 4px; }

.input, .select, .textarea {
  width: 100%;
  min-height: var(--h-control);
  padding: 9px 12px;
  border-radius: var(--r-md);
  border: 1px solid var(--c-line);
  background: rgba(2, 22, 15, 0.72);
  color: var(--c-white);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.input::placeholder, .textarea::placeholder { color: rgba(157, 192, 175, 0.62); }
.input:focus, .select:focus, .textarea:focus {
  border-color: var(--c-gold-400);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.18);
}
.input.is-error { border-color: var(--c-danger); }
.textarea { min-height: 84px; resize: vertical; }
.select { appearance: none; background-image: none; cursor: pointer; }
.select option { background: var(--c-green-800); color: var(--c-white); }

/* 小号密码强度条（reset.html 使用） */
.pwd-meter { height: 6px; margin-top: 6px; border-radius: var(--r-pill); background: rgba(0, 0, 0, 0.35); overflow: hidden; }
.pwd-meter > span { display: block; height: 100%; width: 0; background: var(--c-danger); transition: width 0.2s, background 0.2s; }
.pwd-meter[data-score="2"] > span { background: var(--c-warn); }
.pwd-meter[data-score="3"] > span { background: var(--c-primary); }
.pwd-meter[data-score="4"] > span { background: var(--c-gold-400); }

/* 复选框（记住我 / 同意条款） */
.checkbox { display: inline-flex; align-items: flex-start; gap: 8px; font-size: 13px; color: var(--c-text-dim); cursor: pointer; }
.checkbox input { width: 16px; height: 16px; margin-top: 2px; accent-color: var(--c-gold-500); }

/* ============ 8. 通用小组件 ============ */
.tag {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 1px 8px; border-radius: var(--r-pill);
  font-size: 12px; border: 1px solid var(--c-line-soft); color: var(--c-text-dim);
}
.tag--gold { border-color: var(--c-gold-500); color: var(--c-gold-200); background: rgba(212, 175, 55, 0.12); }
.tag--green { border-color: var(--c-green-300); color: var(--c-green-300); background: rgba(87, 199, 155, 0.12); }
.tag--red { border-color: #e08a8a; color: #ffb4b4; background: rgba(217, 74, 74, 0.14); }

.beans-chip {
  display: inline-flex; align-items: center; gap: 5px;
  min-height: 34px; padding: 0 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--c-gold-600);
  background: linear-gradient(180deg, rgba(212, 175, 55, 0.22), rgba(0, 0, 0, 0.28));
  color: var(--c-gold-200); font-weight: 800; cursor: pointer;
}
.beans-chip__num { font-size: 16px; letter-spacing: 0.5px; }
.beans-chip__unit { font-size: 11px; opacity: 0.85; }

.chip-tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.chip-tabs__item {
  padding: 6px 14px; border-radius: var(--r-pill);
  border: 1px solid var(--c-line-soft); background: rgba(0, 0, 0, 0.22);
  color: var(--c-text-dim); cursor: pointer; font-size: 13px; font-weight: 600;
}
.chip-tabs__item.is-active {
  border-color: var(--c-gold-500); color: var(--c-text-dark);
  background: var(--c-gold-grad); box-shadow: 0 2px 8px rgba(212, 175, 55, 0.35);
}

.tabs { display: flex; gap: 6px; padding: 4px; border-radius: var(--r-md); background: rgba(0, 0, 0, 0.28); margin-bottom: 14px; }
.tabs__item {
  flex: 1 1 0; padding: 9px 10px; border: 0; border-radius: var(--r-sm);
  background: transparent; color: var(--c-text-dim); font-weight: 700; cursor: pointer;
}
.tabs__item.is-active { background: var(--c-gold-grad); color: var(--c-text-dark); }

.steps { display: flex; gap: 6px; margin: 0 0 16px; flex-wrap: wrap; }
.steps__item {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--c-text-dim);
  padding: 4px 10px; border-radius: var(--r-pill); border: 1px dashed var(--c-line-soft);
}
.steps__item.is-active { color: var(--c-gold-200); border-color: var(--c-gold-500); border-style: solid; background: rgba(212, 175, 55, 0.12); }
.steps__item.is-done { color: var(--c-green-300); border-color: var(--c-green-300); }
.steps__num {
  display: inline-grid; place-items: center; width: 18px; height: 18px;
  border-radius: 50%; background: rgba(0, 0, 0, 0.35); font-size: 11px;
}

.notice-bar {
  margin: 10px 0; padding: 9px 12px;
  border-radius: var(--r-md);
  border: 1px dashed var(--c-gold-600);
  background: rgba(212, 175, 55, 0.1);
  color: var(--c-gold-200); font-size: 13px;
}

.empty {
  padding: 30px 14px; text-align: center; color: var(--c-text-dim); font-size: 13px;
  border: 1px dashed var(--c-line-soft); border-radius: var(--r-md);
}

.spinner {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-top-color: var(--c-gold-400);
  animation: spin 0.8s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* 登录/注册 + 重置页：垂直居中的窄卡片 */
.auth-wrap { min-height: 78vh; display: flex; align-items: center; justify-content: center; padding: 16px 0; }
.auth-card { width: 100%; max-width: 420px; padding: 22px 20px 18px; }
.auth-brand { text-align: center; margin-bottom: 16px; }
.auth-brand__logo { font-size: 24px; letter-spacing: 6px; color: var(--c-gold-400); text-shadow: 0 0 12px rgba(212, 175, 55, 0.5); }
.auth-brand__title { font-size: 20px; margin-top: 6px; color: var(--c-gold-200); }
.auth-brand__sub { font-size: 12.5px; color: var(--c-text-dim); margin-top: 4px; }
.auth-warn {
  margin-top: 12px; padding: 8px 10px; font-size: 12px; line-height: 1.5;
  border-radius: var(--r-sm); background: rgba(217, 74, 74, 0.12);
  border: 1px solid rgba(217, 74, 74, 0.4); color: #ffc9c9;
}
.auth-hint { margin-top: 8px; font-size: 12px; color: var(--c-text-dim); }

/* ============ 9. 移动端自适应（窄屏优先保证"可玩"） ============ */
@media (max-width: 820px) {
  .app-main { padding: 10px; }
  .brand__text { font-size: 14px; }
  .brand__tag { display: none; }
  .app-header { padding: 6px 10px; }
}
@media (max-width: 560px) {
  body { font-size: 14px; }
  .app-header__right { width: 100%; justify-content: space-between; }
  .beans-chip { flex: 1 1 auto; justify-content: center; }
  .btn { padding: 0 12px; }
  .btn--sm { min-height: 30px; font-size: 12.5px; padding: 0 9px; }
  .card { padding: 13px; border-radius: var(--r-md); }
  .auth-card { padding: 18px 14px 14px; }
  .app-footer { padding: 12px 10px 22px; font-size: 11px; }
}