/* ==========================================================
   土建积分站 · 活动积分统计网站
   设计方向：庄重学院「红金映辉」——深红背景为主 + 金色点缀 + 米白面板
   ========================================================== */
:root {
  --red-950: #450a0a;
  --red-900: #6b0f0f;
  --red-800: #7f1d1d;
  --red-700: #991b1b;
  --red-600: #b91c1c;
  --red-500: #dc2626;
  --gold: #fbbf24;
  --gold-light: #fde68a;
  --gold-dark: #b45309;
  --paper: #fffaf3;
  --paper-2: #fdf3e7;
  --ink: #3d0c0c;
  --ink-soft: #7a4a3a;
  --line: #e8d5c0;
  --white: #ffffff;
  --ok: #15803d;
  --radius: 14px;
  --shadow-lg: 0 18px 50px rgba(40, 5, 5, .45);
  --shadow-sm: 0 4px 14px rgba(69, 10, 10, .25);
  --font-serif: "STZhongsong", "SimSun", "NSimSun", serif;
  --font-body: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  font-family: var(--font-body);
  color: var(--paper);
  /* 红色背景为主：深红渐变 + 斜向金纹氛围 */
  background:
    radial-gradient(1100px 520px at 85% -10%, rgba(251, 191, 36, .14), transparent 60%),
    radial-gradient(900px 600px at -10% 110%, rgba(220, 38, 38, .35), transparent 55%),
    repeating-linear-gradient(135deg, rgba(255, 215, 130, .028) 0 2px, transparent 2px 14px),
    linear-gradient(160deg, var(--red-900) 0%, var(--red-800) 45%, var(--red-950) 100%);
  background-attachment: fixed;
  min-height: 100vh;
}
#app { min-height: 100vh; display: flex; flex-direction: column; }
a { color: var(--gold-light); }
::selection { background: var(--gold); color: var(--red-900); }

/* 通用动画 */
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes popIn { from { opacity: 0; transform: scale(.96); } to { opacity: 1; transform: none; } }
@keyframes spin { to { transform: rotate(360deg); } }
.fade-up { animation: fadeUp .45s ease both; }
.d1 { animation-delay: .08s; } .d2 { animation-delay: .16s; } .d3 { animation-delay: .24s; } .d4 { animation-delay: .32s; }

/* ==================== 登录前页面（身份选择 / 登录） ==================== */
.gate {
  min-height: 100vh; display: flex; flex-direction: column; align-items: center;
  justify-content: center; padding: 32px 16px; position: relative; overflow: hidden;
}
.gate::before, .gate::after {
  content: ""; position: absolute; border: 1.5px solid rgba(251, 191, 36, .16); border-radius: 50%;
}
.gate::before { width: 640px; height: 640px; top: -260px; right: -200px; }
.gate::after { width: 520px; height: 520px; bottom: -240px; left: -180px; border-style: dashed; }

.school-crest { text-align: center; margin-bottom: 40px; }
.crest-seal {
  width: 84px; height: 84px; margin: 0 auto 16px; border-radius: 50%;
  border: 2.5px solid var(--gold); display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif); font-size: 30px; color: var(--gold);
  background: linear-gradient(160deg, var(--red-700), var(--red-900));
  box-shadow: 0 0 0 6px rgba(251, 191, 36, .12), var(--shadow-sm);
  letter-spacing: 2px;
}
.school-name {
  font-family: var(--font-serif); font-size: clamp(26px, 4vw, 40px);
  letter-spacing: 6px; color: var(--gold-light);
  text-shadow: 0 2px 18px rgba(0, 0, 0, .35);
}
.school-college {
  margin-top: 10px; font-size: clamp(14px, 2vw, 18px); letter-spacing: 4px; color: rgba(253, 230, 138, .85);
}
.school-divider {
  width: 320px; max-width: 70vw; height: 14px; margin: 18px auto 0;
  background: linear-gradient(90deg, transparent, var(--gold) 30%, var(--gold-light) 50%, var(--gold) 70%, transparent);
  clip-path: polygon(0 45%, 100% 45%, 100% 55%, 0 55%);
  opacity: .75;
}
.site-title {
  margin-top: 26px; font-family: var(--font-serif);
  font-size: clamp(20px, 3vw, 28px); letter-spacing: 5px; color: var(--paper);
}
.site-sub { margin-top: 8px; font-size: 13px; letter-spacing: 2px; color: rgba(253, 230, 138, .8); }

.role-cards { display: flex; gap: 28px; flex-wrap: wrap; justify-content: center; margin-top: 44px; }
.role-card {
  width: 300px; padding: 38px 28px 32px; border-radius: 18px; cursor: pointer; text-align: center;
  background: linear-gradient(165deg, rgba(153, 27, 27, .92), rgba(69, 10, 10, .92));
  border: 1.5px solid rgba(251, 191, 36, .4);
  box-shadow: var(--shadow-lg);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  position: relative; overflow: hidden;
}
.role-card::after {
  content: ""; position: absolute; inset: 8px; border: 1px solid rgba(251, 191, 36, .18);
  border-radius: 12px; pointer-events: none;
}
.role-card:hover { transform: translateY(-8px); border-color: var(--gold); box-shadow: 0 26px 60px rgba(20, 2, 2, .6); }
.role-icon {
  width: 72px; height: 72px; margin: 0 auto 18px; border-radius: 50%;
  background: linear-gradient(160deg, var(--gold), var(--gold-dark));
  display: flex; align-items: center; justify-content: center; font-size: 34px;
  box-shadow: 0 8px 22px rgba(180, 83, 9, .45);
}
.role-name { font-family: var(--font-serif); font-size: 24px; letter-spacing: 4px; color: var(--gold-light); }
.role-desc { margin-top: 10px; font-size: 13px; line-height: 1.8; color: rgba(255, 250, 243, .78); }
.role-go {
  display: inline-block; margin-top: 18px; padding: 8px 26px; border-radius: 999px;
  border: 1px solid rgba(251, 191, 36, .55); color: var(--gold-light); font-size: 13px; letter-spacing: 2px;
  transition: background .2s, color .2s;
}
.role-card:hover .role-go { background: var(--gold); color: var(--red-900); }

.gate-footer { margin-top: 52px; font-size: 12px; letter-spacing: 1px; color: rgba(253, 230, 138, .5); }

/* 登录卡片 */
.login-wrap { width: min(420px, 92vw); margin-top: 40px; }
.login-card {
  background: linear-gradient(170deg, rgba(153, 27, 27, .94), rgba(69, 10, 10, .96));
  border: 1.5px solid rgba(251, 191, 36, .45); border-radius: 18px; padding: 36px 32px 30px;
  box-shadow: var(--shadow-lg); position: relative;
}
.login-card h2 {
  font-family: var(--font-serif); letter-spacing: 4px; text-align: center;
  color: var(--gold-light); font-size: 24px; margin-bottom: 6px;
}
.login-card .login-tip { text-align: center; font-size: 12.5px; color: rgba(255, 250, 243, .65); margin-bottom: 24px; }
.login-back {
  display: inline-flex; align-items: center; gap: 6px; margin-bottom: 18px;
  color: rgba(253, 230, 138, .85); font-size: 13px; text-decoration: none;
  background: none; border: none; cursor: pointer; letter-spacing: 1px;
}
.login-back:hover { color: var(--gold); }

/* ==================== 表单 ==================== */
.field { margin-bottom: 18px; }
.field label {
  display: block; font-size: 13px; letter-spacing: 1px; margin-bottom: 7px; color: var(--gold-light);
}
.input, .select, textarea.input {
  width: 100%; padding: 11px 14px; border-radius: 10px; font-size: 14px;
  border: 1.5px solid rgba(251, 191, 36, .35);
  background: rgba(69, 10, 10, .5); color: var(--paper); outline: none;
  transition: border-color .2s, box-shadow .2s; font-family: var(--font-body);
}
.input::placeholder { color: rgba(253, 230, 138, .4); }
.input:focus, .select:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(251, 191, 36, .18); }
.select option { background: var(--red-900); color: var(--paper); }
.input-time { color-scheme: dark; }
.form-error {
  display: none; margin: -6px 0 14px; padding: 9px 12px; border-radius: 8px; font-size: 13px;
  background: rgba(0, 0, 0, .3); border: 1px solid rgba(252, 165, 165, .5); color: #fecaca;
}
.form-error.show { display: block; animation: popIn .2s ease; }

/* ==================== 按钮 ==================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 11px 22px; border-radius: 10px; border: none; cursor: pointer;
  font-size: 14px; letter-spacing: 1px; font-family: var(--font-body);
  transition: transform .15s, box-shadow .2s, background .2s, opacity .2s;
  user-select: none; text-decoration: none;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.btn-gold { background: linear-gradient(160deg, var(--gold), var(--gold-dark)); color: var(--red-900); font-weight: 700; box-shadow: 0 6px 18px rgba(180, 83, 9, .4); }
.btn-gold:hover:not([disabled]) { box-shadow: 0 10px 24px rgba(180, 83, 9, .55); filter: brightness(1.06); }
.btn-red { background: linear-gradient(160deg, var(--red-600), var(--red-800)); color: var(--paper); border: 1px solid rgba(251, 191, 36, .35); }
.btn-red:hover:not([disabled]) { filter: brightness(1.12); }
.btn-ghost { background: transparent; border: 1.5px solid rgba(180, 83, 9, .55); color: var(--gold-dark); }
.btn-ghost:hover:not([disabled]) { background: rgba(251, 191, 36, .18); border-color: var(--gold-dark); color: #7c3a03; }
.btn-danger { background: transparent; border: 1.5px solid rgba(185, 28, 28, .5); color: var(--red-600); }
.btn-danger:hover:not([disabled]) { background: rgba(220, 38, 38, .12); color: var(--red-700); border-color: var(--red-600); }
.btn-sm { padding: 6px 13px; font-size: 12.5px; border-radius: 8px; }
.btn-block { width: 100%; }
.btn-link { background: none; border: none; color: var(--gold-light); text-decoration: underline; cursor: pointer; font-size: 13px; }
.btn-link:hover { color: var(--gold); }

/* ==================== 应用布局（登录后） ==================== */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px; flex-shrink: 0; display: flex; flex-direction: column;
  background: linear-gradient(180deg, rgba(69, 10, 10, .96), rgba(87, 12, 12, .92));
  border-right: 1px solid rgba(251, 191, 36, .22);
  padding: 22px 14px; position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.side-brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 18px; border-bottom: 1px solid rgba(251, 191, 36, .2); margin-bottom: 14px; }
.side-seal {
  width: 42px; height: 42px; border-radius: 50%; flex-shrink: 0;
  border: 1.5px solid var(--gold); color: var(--gold); font-family: var(--font-serif); font-size: 17px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, var(--red-700), var(--red-900));
}
.side-brand .t1 { font-size: 13.5px; letter-spacing: 1px; color: var(--gold-light); }
.side-brand .t2 { font-size: 11px; color: rgba(255, 250, 243, .55); margin-top: 3px; }
.side-group { font-size: 11px; letter-spacing: 2px; color: rgba(253, 230, 138, .5); margin: 14px 10px 6px; }
.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 11px 14px; margin-bottom: 4px;
  border-radius: 10px; font-size: 14px; color: rgba(255, 250, 243, .82); cursor: pointer;
  border: 1px solid transparent; transition: background .2s, color .2s, border-color .2s;
  text-decoration: none; letter-spacing: 1px;
}
.nav-item:hover { background: rgba(251, 191, 36, .1); color: var(--gold-light); }
.nav-item.active {
  background: linear-gradient(120deg, rgba(251, 191, 36, .18), rgba(251, 191, 36, .05));
  border-color: rgba(251, 191, 36, .4); color: var(--gold); font-weight: 600;
}
.nav-item .ico { width: 20px; text-align: center; }
.side-bottom { margin-top: auto; padding-top: 14px; border-top: 1px solid rgba(251, 191, 36, .2); }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 26px; border-bottom: 1px solid rgba(251, 191, 36, .2);
  background: rgba(69, 10, 10, .55); backdrop-filter: blur(6px);
  position: sticky; top: 0; z-index: 30;
}
.topbar .page-title { font-family: var(--font-serif); font-size: 19px; letter-spacing: 3px; color: var(--gold-light); }
.user-chip {
  display: flex; align-items: center; gap: 10px; padding: 6px 12px; border-radius: 999px;
  background: rgba(251, 191, 36, .1); border: 1px solid rgba(251, 191, 36, .35); font-size: 13px;
}
.user-chip .avatar {
  width: 30px; height: 30px; border-radius: 50%; background: linear-gradient(160deg, var(--gold), var(--gold-dark));
  color: var(--red-900); font-weight: 700; display: flex; align-items: center; justify-content: center; font-size: 14px;
}
.user-chip .uname { color: var(--paper); }
.user-chip .urole { color: var(--gold); font-size: 12px; }
.badge-site { font-size: 11px; padding: 2px 9px; border-radius: 999px; letter-spacing: 1px; }
.badge-site.open { background: rgba(21, 128, 61, .25); color: #bbf7d0; border: 1px solid rgba(74, 222, 128, .4); }
.badge-site.closed { background: rgba(0, 0, 0, .35); color: #fca5a5; border: 1px solid rgba(248, 113, 113, .4); }

.content { padding: 26px; flex: 1; }
.content-inner { max-width: 1200px; margin: 0 auto; animation: fadeUp .4s ease both; }

/* ==================== 面板 / 卡片 ==================== */
.panel {
  background: linear-gradient(175deg, var(--paper), var(--paper-2));
  color: var(--ink); border-radius: var(--radius); box-shadow: var(--shadow-lg);
  border: 1px solid rgba(180, 83, 9, .25); overflow: hidden;
}
.panel-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 16px 20px; border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(153, 27, 27, .08), transparent);
}
.panel-title { font-family: var(--font-serif); font-size: 17px; letter-spacing: 2px; color: var(--red-800); display: flex; align-items: center; gap: 9px; }
.panel-title::before { content: ""; width: 4px; height: 18px; border-radius: 2px; background: linear-gradient(180deg, var(--gold), var(--gold-dark)); }
.panel-body { padding: 20px; }
.panel-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* 统计卡片 */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
  border-radius: var(--radius); padding: 18px 20px; color: var(--paper);
  background: linear-gradient(160deg, rgba(153, 27, 27, .9), rgba(69, 10, 10, .9));
  border: 1px solid rgba(251, 191, 36, .3); box-shadow: var(--shadow-sm);
}
.stat-card .num { font-size: 30px; font-weight: 700; color: var(--gold); font-family: var(--font-serif); }
.stat-card .lbl { margin-top: 4px; font-size: 12.5px; letter-spacing: 2px; color: rgba(255, 250, 243, .75); }

/* ==================== 表格 ==================== */
.table-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; color: var(--ink); }
.tbl th {
  background: linear-gradient(160deg, var(--red-700), var(--red-800)); color: var(--gold-light);
  padding: 11px 12px; text-align: left; white-space: nowrap; letter-spacing: 1px;
  font-weight: 600; border-bottom: 2px solid var(--gold-dark);
}
.tbl td { padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.tbl tbody tr:nth-child(even) { background: rgba(251, 191, 36, .07); }
.tbl tbody tr:hover { background: rgba(251, 191, 36, .16); }
.tbl .ops { display: flex; gap: 6px; flex-wrap: wrap; }

/* ==================== 徽章 ==================== */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: 999px; font-size: 12px; letter-spacing: 1px; white-space: nowrap; }
.badge-open { background: rgba(21, 128, 61, .12); color: var(--ok); border: 1px solid rgba(21, 128, 61, .35); }
.badge-full { background: rgba(120, 53, 15, .12); color: var(--gold-dark); border: 1px solid rgba(180, 83, 9, .4); }
.badge-expired { background: rgba(0, 0, 0, .08); color: #6b7280; border: 1px solid rgba(0, 0, 0, .18); }
.badge-joined { background: rgba(21, 128, 61, .14); color: var(--ok); border: 1px solid rgba(21, 128, 61, .4); font-weight: 700; }
.badge-role { background: rgba(153, 27, 27, .1); color: var(--red-700); border: 1px solid rgba(153, 27, 27, .3); }
.mark-check { color: var(--ok); font-weight: 700; font-size: 16px; }

/* ==================== Modal / Toast / 空状态 / 加载 ==================== */
.modal-mask {
  position: fixed; inset: 0; background: rgba(30, 3, 3, .62); backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center; z-index: 100; padding: 18px;
  animation: popIn .18s ease;
}
.modal {
  width: min(560px, 96vw); max-height: 88vh; overflow-y: auto;
  background: linear-gradient(175deg, var(--paper), var(--paper-2)); color: var(--ink);
  border-radius: 16px; border: 1px solid rgba(180, 83, 9, .35); box-shadow: var(--shadow-lg);
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 15px 20px; border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(153, 27, 27, .1), transparent);
  position: sticky; top: 0; background-color: var(--paper);
}
.modal-title { font-family: var(--font-serif); font-size: 16.5px; letter-spacing: 2px; color: var(--red-800); }
.modal-close { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--ink-soft); padding: 2px 8px; border-radius: 6px; }
.modal-close:hover { background: rgba(153, 27, 27, .1); color: var(--red-700); }
.modal-body { padding: 20px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 14px 20px; border-top: 1px solid var(--line); }

.toast-box { position: fixed; top: 20px; left: 50%; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 10px; align-items: center; }
.toast {
  padding: 11px 22px; border-radius: 10px; font-size: 14px; letter-spacing: 1px;
  box-shadow: var(--shadow-lg); animation: fadeUp .25s ease both; max-width: 86vw;
}
.toast-ok { background: linear-gradient(120deg, #14532d, #166534); color: #dcfce7; border: 1px solid rgba(74, 222, 128, .5); }
.toast-err { background: linear-gradient(120deg, #7f1d1d, #991b1b); color: #fecaca; border: 1px solid rgba(252, 165, 165, .55); }

.empty {
  text-align: center; padding: 46px 16px; color: var(--ink-soft); font-size: 14px; letter-spacing: 1px;
}
.empty .e-icon { font-size: 40px; margin-bottom: 12px; opacity: .5; }
.loading { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 50px; color: var(--ink-soft); }
.spinner {
  width: 26px; height: 26px; border-radius: 50%; border: 3px solid rgba(153, 27, 27, .2);
  border-top-color: var(--red-600); animation: spin .8s linear infinite;
}

/* 提示条（面板内警告） */
.notice {
  padding: 12px 16px; border-radius: 10px; font-size: 13.5px; line-height: 1.7; margin-bottom: 18px;
  background: rgba(251, 191, 36, .12); border: 1px solid rgba(180, 83, 9, .3); color: #7c4a03;
}
.notice.red { background: rgba(153, 27, 27, .08); border-color: rgba(153, 27, 27, .35); color: var(--red-800); }
.notice b { color: var(--red-800); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.muted { color: var(--ink-soft); font-size: 12.5px; }
.mt { margin-top: 16px; }
.divider-gold { height: 2px; background: linear-gradient(90deg, transparent, var(--gold-dark), transparent); border: none; margin: 18px 0; }

/* 移动端 */
.menu-btn { display: none; }
@media (max-width: 860px) {
  .sidebar {
    position: fixed; left: 0; top: 0; z-index: 60; transform: translateX(-105%);
    transition: transform .28s ease; width: 262px;
  }
  .sidebar.open { transform: none; box-shadow: 0 0 60px rgba(0, 0, 0, .6); }
  .menu-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 38px; height: 38px; border-radius: 10px; cursor: pointer;
    background: rgba(251, 191, 36, .12); border: 1px solid rgba(251, 191, 36, .4);
    color: var(--gold-light); font-size: 18px;
  }
  .side-mask { position: fixed; inset: 0; background: rgba(0, 0, 0, .5); z-index: 55; }
  .content { padding: 16px; }
  .grid-2 { grid-template-columns: 1fr; }
  .topbar { padding: 10px 14px; }
  .user-chip .uname { display: none; }
}