/* ============================================================
   现界国风动漫交流会 · 简洁明亮设计系统
   ============================================================ */
:root {
  --bg: #f5f2eb;
  --bg-soft: #faf8f3;
  --surface: #ffffff;
  --surface-soft: #fbfaf6;
  --text: #27303c;
  --text-strong: #18212c;
  --muted: #6f7782;
  --muted-2: #969da7;
  --border: #e4ded3;
  --border-strong: #cfc4b1;
  --accent: #8b5e34;
  --accent-hover: #744b27;
  --accent-soft: #f3e9da;
  --jade: #2f7d6d;
  --jade-soft: #e9f4f1;
  --danger: #b83c49;
  --danger-soft: #fbecee;
  --ok: #2f7d5d;
  --ok-soft: #eaf5ef;
  --shadow: 0 10px 30px rgba(54, 45, 32, .07);
  --shadow-soft: 0 4px 14px rgba(54, 45, 32, .05);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; min-height: 100%; }
[hidden] { display: none !important; }

body {
  min-height: 100vh;
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  background:
    radial-gradient(circle at 8% 0%, rgba(139, 94, 52, .045), transparent 32%),
    radial-gradient(circle at 96% 18%, rgba(47, 125, 109, .035), transparent 28%),
    linear-gradient(180deg, #f8f5ef 0%, var(--bg) 100%);
}

h1, h2, h3 {
  margin: 0 0 .55em;
  color: var(--text-strong);
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.3;
}
h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.2rem, 2vw, 1.45rem); }
h3 { font-size: 1.05rem; }
p { margin: 0 0 1em; }
a { color: var(--accent); text-decoration: none; transition: color .16s ease, border-color .16s ease, background .16s ease; }
a:hover { color: var(--accent-hover); }
code { padding: .1em .35em; color: var(--jade); background: var(--jade-soft); border-radius: 5px; }
::selection { color: var(--text-strong); background: #eadcc8; }

/* 背景不再使用照片/发光动效，保持简洁 */
.site-bg, .ambient { display: none; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 20;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.site-header-inner {
  width: min(1120px, 94vw);
  min-height: 64px;
  margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
}
.site-brand { display: inline-flex; align-items: center; gap: 9px; color: var(--text-strong); min-width: max-content; }
.site-brand:hover { color: var(--text-strong); }
.site-brand-text { display: flex; align-items: center; }
.site-brand-text strong { font-size: .92rem; font-weight: 650; letter-spacing: .01em; }
.site-brand-text small { display: none; }
.site-nav { display: flex; align-items: center; gap: 2px; flex-wrap: wrap; justify-content: flex-end; min-width: 0; }
.site-nav a { padding: 7px 10px; border-radius: 7px; color: var(--muted); font-size: .87rem; }
.site-nav a:hover { color: var(--text-strong); background: var(--surface-soft); }
.admin-body .site-header, .checkin-body .site-header { display: none; }

/* ---------- 页面骨架 ---------- */
.shell { position: relative; z-index: 2; width: min(1120px, 94vw); margin: 0 auto; padding: 26px 0 40px; }
.admin-body .shell { width: min(1760px, 98vw); padding: 20px 0 30px; }
.checkin-body .shell { width: min(820px, 96vw); padding: 12px 0 26px; }
.site-footer {
  margin-top: 30px; padding: 18px 0 0;
  border-top: 1px solid var(--border);
  color: var(--muted-2); font-size: .78rem; text-align: center;
}
.admin-body .site-footer, .checkin-body .site-footer { display: none; }

.page-announcement {
  position: relative; z-index: 4;
  width: min(1120px, 94vw);
  margin: 14px auto 0;
  padding: 12px 15px;
  color: #7d572d;
  border: 1px solid #e5d6c1;
  border-radius: var(--radius-md);
  background: #fbf5eb;
  font-size: .88rem;
}
.page-announcement.hidden, .announcement-side.hidden { display: none; }

/* ---------- 卡片 ---------- */
.card-glass {
  position: relative;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}
.card-glass > *:first-child { margin-top: 0; }
.card-glass > *:last-child { margin-bottom: 0; }
.card-glass.narrow { width: min(680px, 100%); margin: 0 auto; }
.card-glass.wide { width: 100%; margin: 0 auto; }
.user-dashboard { width: min(1040px, 100%); margin: 0 auto; }
.card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 18px; flex-wrap: wrap; }

/* ---------- 文字 ---------- */
.lead { max-width: 68ch; color: var(--muted); font-size: .98rem; }
.small { color: var(--muted); font-size: .87rem; }
.tiny-note { color: var(--muted-2); font-size: .78rem; line-height: 1.7; }
.back-link { display: inline-flex; align-items: center; gap: 3px; margin-bottom: 16px; color: var(--muted); font-size: .84rem; }
.back-link:hover { color: var(--accent); }
.required-mark { color: var(--danger); }
.declaration-note { padding: 12px 14px; border-left: 3px solid var(--accent); border-radius: 0 6px 6px 0; color: var(--muted); background: var(--surface-soft); font-size: .86rem; }
.warn-banner { padding: 12px 14px; border: 1px solid #f1c7cc; border-radius: var(--radius-sm); color: var(--danger); background: var(--danger-soft); font-size: .87rem; }
.empty { padding: 26px 14px; color: var(--muted-2); text-align: center; }

/* ---------- 首页 ---------- */
.hero { margin-bottom: 18px; padding: clamp(30px, 6vw, 52px); background: linear-gradient(180deg, #fffdf9 0%, #fbf7f0 100%); }
.hero::after { display: none; }
.hero h1 { margin-bottom: 8px; font-size: clamp(2rem, 5.5vw, 3.6rem); }
.home-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 0; }
.big-button { min-width: 130px; }

/* ---------- 按钮 ---------- */
.button, .big-button, .mini {
  display: inline-flex; align-items: center; justify-content: center; gap: 5px;
  border: 1px solid transparent; border-radius: 8px;
  font-family: var(--sans); font-weight: 600; line-height: 1; text-align: center;
  cursor: pointer; transition: background .16s ease, border-color .16s ease, color .16s ease, box-shadow .16s ease;
}
.button { min-height: 40px; padding: 0 16px; font-size: .89rem; }
.button:hover, .big-button:hover, .mini:hover { box-shadow: 0 3px 10px rgba(54,45,32,.08); }
.button:disabled, .big-button:disabled, .mini:disabled { opacity: .5; cursor: not-allowed; box-shadow: none; }
.button.primary, .big-button.primary { color: #fff; background: var(--accent); border-color: var(--accent); }
.button.primary:hover, .big-button.primary:hover { color: #fff; background: var(--accent-hover); border-color: var(--accent-hover); }
.button.secondary, .big-button.secondary { color: var(--accent); border-color: #d8c6ad; background: #fffdf9; }
.button.secondary:hover, .big-button.secondary:hover { background: var(--accent-soft); }
.button.ghost { color: var(--muted); border-color: var(--border); background: #fff; }
.button.ghost:hover { color: var(--text-strong); background: var(--surface-soft); }
.button.danger { color: #fff; background: var(--danger); border-color: var(--danger); }
.button.danger:hover { background: #a42f3d; }
.button.block, .big-button.block { display: flex; width: 100%; }
.button.small-button, .small-button { min-height: 34px; padding: 0 12px; font-size: .8rem; }
.big-button { min-height: 46px; padding: 0 20px; font-size: .94rem; }
.mini { min-height: 28px; padding: 0 9px; color: var(--muted); border-color: var(--border); background: #fff; font-size: .75rem; }
.mini.danger { color: var(--danger); border-color: #edc9cd; background: var(--danger-soft); }

/* ---------- 表单 ---------- */
.field-label, .settings-form > label, .settings-grid label {
  display: block;
  margin: 18px 0 7px;
  color: var(--text);
  font-size: .82rem;
  font-weight: 600;
}
input, select, textarea {
  width: 100%;
  min-height: 44px;
  margin: 0 0 4px;
  padding: 10px 12px;
  color: var(--text-strong);
  font: inherit;
  font-size: .92rem;
  border: 1px solid #d8d0c3;
  border-radius: 8px;
  outline: none;
  background: #fff;
  transition: border-color .16s ease, box-shadow .16s ease;
}
textarea { min-height: 105px; line-height: 1.6; resize: vertical; }
input::placeholder, textarea::placeholder { color: #aeb4bc; }
input:focus, select:focus, textarea:focus { border-color: #a57a46; box-shadow: 0 0 0 3px rgba(139,94,52,.1); }
select option { color: var(--text); background: #fff; }
form .button.block, form .big-button.block { margin-top: 18px; }
.settings-form { margin-top: 6px; }
.settings-form > .button, .settings-form > button { margin-top: 18px; }
.inline-form .button, .inline-form .mini, .data-table .button, .data-table .mini { margin-top: 0; }
.settings-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 18px; }
.settings-grid label { margin: 0; }
.settings-grid input, .settings-grid select, .settings-grid textarea { margin-top: 6px; margin-bottom: 0; }
.settings-form > input, .settings-form > select, .settings-form > textarea { margin-bottom: 0; }
.settings-subtitle { margin: 24px 0 12px; padding-top: 18px; border-top: 1px solid var(--border); color: var(--text-strong); }
.inline-form { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin: 0; }
.inline-form input { width: auto; min-width: 170px; margin: 0; }
.inline-check { display: inline-flex !important; align-items: center; gap: 7px; margin: 8px 16px 8px 0; color: var(--text); font-size: .87rem; cursor: pointer; }
.inline-check input[type="checkbox"], input[type="checkbox"], input[type="radio"] { width: auto; min-height: auto; margin: 0; accent-color: var(--accent); }
.slot-picker { margin: 18px 0; padding: 12px 14px 8px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface-soft); }
.slot-picker legend { padding: 0 5px; color: var(--text); font-size: .82rem; font-weight: 600; }
.slot-picker .inline-check { margin-top: 5px; margin-bottom: 5px; }

/* ---------- 状态与结果 ---------- */
.status-line { margin: 12px 0; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; color: var(--muted); background: var(--surface-soft); font-size: .85rem; }
.status-line.ok, .form-success { color: var(--ok); border: 1px solid #c7e5d3; background: var(--ok-soft); }
.status-line.error, .form-error { color: var(--danger); border: 1px solid #efc8cd; background: var(--danger-soft); }
.form-error, .form-success { margin: 12px 0; padding: 10px 12px; border-radius: 8px; font-size: .85rem; }
.form-error:empty, .form-success:empty { display: none; }
.result-panel { margin-top: 18px; padding: 16px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface-soft); }
.result-panel.success { border-color: #c7e5d3; background: var(--ok-soft); }
.result-panel h2 { margin-bottom: 8px; font-size: 1.15rem; }
.result-panel input { background: #fff; }
.result-panel .button.block { margin-top: 14px; }
.status-box { margin: 14px 0; padding: 12px 14px; border: 1px solid #e5d6c1; border-radius: 8px; color: #7d572d; background: #fbf5eb; font-size: .87rem; }
.announcement-inline { padding: 12px 14px; border: 1px solid var(--border); border-radius: 8px; color: var(--muted); background: var(--surface-soft); }
.badge { display: inline-flex; align-items: center; min-height: 23px; padding: 0 8px; border-radius: 999px; color: var(--muted); background: #f0ede7; font-size: .74rem; white-space: nowrap; }
.badge.ok { color: var(--ok); background: var(--ok-soft); }
.badge.danger { color: var(--danger); background: var(--danger-soft); }

/* ---------- 选项卡 ---------- */
.option-list { display: grid; gap: 9px; margin-top: 18px; }
.option-card {
  display: grid; grid-template-columns: 34px minmax(0, 1fr) 20px; align-items: center; gap: 11px;
  padding: 14px 15px; border: 1px solid var(--border); border-radius: var(--radius-md);
  color: var(--text); background: #fff;
}
.option-card:hover { color: var(--text); border-color: var(--border-strong); background: #fdfbf7; }
.option-index { color: var(--accent); font-family: var(--serif); font-size: 1rem; }
.option-main { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.option-main strong { color: var(--text-strong); font-size: .92rem; }
.option-main small { color: var(--muted); font-size: .8rem; line-height: 1.5; }
.option-arrow { color: var(--muted-2); text-align: right; }
.info-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px 12px; margin: 16px 0; }
.info-grid > div { display: flex; flex-direction: column; gap: 2px; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface-soft); }
.info-grid span { color: var(--muted-2); font-size: .75rem; }
.info-grid strong { color: var(--text-strong); font-size: .87rem; font-weight: 600; }

/* ---------- 用户后台 ---------- */
.dashboard-grid { display: grid; grid-template-columns: minmax(260px, 330px) minmax(0, 1fr); gap: 16px; margin-top: 20px; }
.dashboard-qr-card, .dashboard-info-card { padding: 20px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface-soft); }
.dashboard-qr-card { text-align: center; }
.user-qr { display: inline-flex; align-items: center; justify-content: center; min-width: 232px; min-height: 232px; margin: 12px auto 8px; padding: 10px; border: 1px solid var(--border); border-radius: 12px; background: #fff; }
.user-qr svg, .user-qr img, .user-qr canvas { display: block; max-width: 100%; height: auto !important; }
.dashboard-status { margin: 8px 0 12px; }
.dashboard-section-title { margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--border); font-size: 1.05rem; }
.user-dashboard .admin-head { align-items: flex-start; }

/* ---------- 管理后台 ---------- */
.admin-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 18px; flex-wrap: wrap; margin-bottom: 16px; }
.admin-head h1 { margin-bottom: 3px; }
.admin-head .small { max-width: 1100px; overflow-wrap: anywhere; }
.admin-nav { display: flex; flex-wrap: wrap; gap: 4px; margin: 0 0 18px; padding: 5px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface-soft); }
.admin-nav a { padding: 7px 11px; border-radius: 7px; color: var(--muted); font-size: .79rem; }
.admin-nav a:hover { color: var(--text-strong); background: #fff; }
.admin-nav a.active { color: #fff; background: var(--accent); }
.admin-page-content { margin-top: 4px; }
.method-card { margin-bottom: 14px; padding: 20px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; }
.method-card:last-child { margin-bottom: 0; }
.method-card h2 { margin-bottom: 8px; }
.method-card > p.small { max-width: 1000px; }
.table-wrap { width: 100%; overflow-x: auto; margin-top: 14px; border: 1px solid var(--border); border-radius: 10px; }
.data-table, .flow-table { width: 100%; min-width: 900px; border-collapse: collapse; font-size: .83rem; }
.data-table th, .data-table td, .flow-table th, .flow-table td { padding: 10px 12px; text-align: left; vertical-align: middle; border-bottom: 1px solid var(--border); }
.data-table th, .flow-table th { position: sticky; top: 0; z-index: 1; color: #5f5140; font-size: .75rem; font-weight: 700; background: #f7f3ec; white-space: nowrap; }
.data-table tr:last-child td, .flow-table tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover { background: #fdfbf7; }
.data-table td.action-cell { min-width: 235px; white-space: nowrap; }
.data-table .inline-form { display: inline-flex; margin: 0 2px 0 0; }
.data-table .mini { margin: 2px 3px 2px 0; }
.data-table .nowrap, .nowrap { white-space: nowrap; }
.data-table .mono, .mono { font-family: "SFMono-Regular", Consolas, monospace; font-size: .8em; }
.msg-cell { max-width: 520px; overflow-wrap: anywhere; }
.email-log-table { min-width: 1100px; }

/* ---------- 代理页 ---------- */
#proxy-status { margin: 12px 0; padding: 11px 13px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface-soft); line-height: 1.7; }
#proxy-status .badge { margin: 2px 3px 2px 0; }

/* ---------- 模态框 ---------- */
.modal-mask { position: fixed; inset: 0; z-index: 80; display: flex; align-items: center; justify-content: center; padding: 20px; background: rgba(30,25,18,.42); }
.modal-card { width: min(450px, 100%); padding: 24px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; box-shadow: 0 18px 60px rgba(30,25,18,.18); }
.modal-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 18px; }
.modal-actions .button { flex: 1 1 140px; }

/* ---------- 侧边公告 ---------- */
.announcement-side {
  position: fixed; right: 16px; bottom: 16px; z-index: 60;
  width: min(340px, calc(100vw - 32px)); max-height: min(45vh, 430px); overflow: auto;
  padding: 15px 16px; border: 1px solid var(--border-strong); border-radius: 12px;
  color: var(--text); background: #fff !important; opacity: 1 !important;
  box-shadow: var(--shadow); font-size: .84rem;
}
.announcement-side p:last-child { margin-bottom: 0; }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .settings-grid { grid-template-columns: 1fr; }
  .dashboard-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  body { font-size: 15px; }
  .site-header-inner { width: 94vw; min-height: 58px; gap: 8px; }
  .site-brand-text strong { font-size: .8rem; }
  .site-nav { flex: 1 1 auto; min-width: 0; gap: 0; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .site-nav::-webkit-scrollbar { display: none; }
  .site-nav a { flex: 0 0 auto; padding: 6px 8px; font-size: .78rem; }
  .shell { width: 94vw; padding-top: 18px; }
  .card-glass { padding: 19px; }
  .hero { padding: 28px 20px; }
  .hero h1 { font-size: clamp(1.9rem, 10vw, 2.9rem); }
  .page-announcement { width: 94vw; margin-top: 10px; }
  .admin-body .shell { width: 94vw; padding-top: 12px; }
  .admin-head { flex-direction: column; gap: 8px; }
  .admin-nav { border-radius: 8px; }
  .admin-nav a { padding: 6px 9px; font-size: .75rem; }
  .info-grid { grid-template-columns: 1fr; }
  .option-card { grid-template-columns: 28px minmax(0, 1fr) 16px; padding: 12px; gap: 9px; }
  .data-table, .flow-table { min-width: 780px; }
  .announcement-side { right: 10px; bottom: 10px; width: calc(100vw - 20px); max-height: 34vh; }
}
@media (max-width: 520px) {
  .site-brand-text strong { max-width: 125px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .site-nav a { padding: 5px 6px; font-size: .72rem; }
  .home-actions .big-button { flex: 1 1 100%; }
  .modal-actions .button { flex: 1 1 100%; }
  .user-qr { min-width: 218px; min-height: 218px; }
  .card-glass { padding: 16px; }
}