:root {
  --bg: #f4f6fb;
  --card: #ffffff;
  --text: #1f2733;
  --muted: #8a93a3;
  --primary: #3b6ef5;
  --primary-d: #2f59cf;
  --ok: #1faa6b;
  --warn: #e08a00;
  --danger: #e04545;
  --line: #e6eaf2;
  --shadow: 0 4px 18px rgba(31, 39, 51, 0.08);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.5;
  -webkit-tap-highlight-color: transparent;
}
a { color: inherit; text-decoration: none; }

/* 顶栏 */
.topbar {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap;
  padding: 12px 16px; background: var(--card); box-shadow: var(--shadow);
  position: sticky; top: 0; z-index: 20;
}
.brand { font-weight: 700; font-size: 17px; }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.topnav a { margin-left: 16px; color: var(--text); font-weight: 700; font-size: 14px; }
.topnav a:hover { color: var(--primary); }

/* 顶栏励志艺术字 */
.slogan {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 1px;
  font-family: "STXingkai", "KaiTi", "STKaiti", "PingFang SC", cursive;
  background: linear-gradient(90deg, #ff6b6b, #feca57, #48dbfb, #ff9ff3);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 2px rgba(0,0,0,0.08));
  white-space: nowrap;
  animation: sloganShine 4s linear infinite;
}
@keyframes sloganShine {
  to { background-position: 200% center; }
}
@media (max-width: 760px) {
  .brand { font-size: 15px; }
  .topbar-right { flex-basis: 100%; flex-wrap: wrap; justify-content: center; gap: 8px; }
  .slogan {
    flex-basis: 100%;
    font-size: 13px;
    letter-spacing: 0;
    text-align: center;
    white-space: normal;
    margin-top: 6px;
  }
}

.container { max-width: 880px; margin: 0 auto; padding: 16px; }

/* 汇总 */
.summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.sum-card { background: var(--card); border-radius: 14px; padding: 14px; box-shadow: var(--shadow); text-align: center; }
.sum-label { font-size: 13px; color: var(--muted); font-weight: 600; }
.sum-value { font-size: 23px; font-weight: 700; margin-top: 4px; word-break: break-all; }
.sum-value.urgent { color: var(--danger); }

/* 工具条 */
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.tabs { display: flex; gap: 6px; background: var(--card); padding: 4px; border-radius: 12px; box-shadow: var(--shadow); }
.tab { border: none; background: transparent; padding: 7px 12px; border-radius: 9px; font-size: 13px; color: var(--muted); cursor: pointer; }
.tab.active { background: var(--primary); color: #fff; }
.badge { display: inline-block; min-width: 16px; margin-left: 4px; font-size: 11px; background: var(--danger); color: #fff; border-radius: 8px; padding: 0 5px; }

/* 账单列表 */
.bill-list { display: flex; flex-direction: column; gap: 12px; }
.bill {
  background: var(--card); border-radius: 14px; padding: 14px 16px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 12px; cursor: pointer; position: relative; overflow: hidden;
}

/* 卡片头部：logo + 银行/卡号 + ... */
.bill-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.bill-id { display: flex; align-items: center; gap: 10px; min-width: 0; }
.bank-logo-img {
  width: 40px; height: 40px; border-radius: 50%; flex: 0 0 auto;
  object-fit: contain; background: #fff; border: 1px solid var(--line); padding: 3px;
}
.bank-logo-img.fallback {
  display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 15px;
  border: none;
}
.bill-titles { min-width: 0; }
.bill-bank { font-weight: 700; font-size: 16px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bill-cardno { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.bill-sub { font-size: 12px; color: var(--muted); }
.head-right { display: flex; align-items: center; gap: 8px; }
.hist-badge {
  min-width: 18px; height: 18px; line-height: 18px; text-align: center;
  background: #eef1f6; color: var(--muted); font-size: 11px; font-weight: 600;
  border-radius: 9px; padding: 0 5px;
}
/* 新账单角标：后端按最新一期抓取时间（近 N 天）判定 is_new，显示在卡片右上角 */
.new-tag {
  background: var(--danger); color: #fff; font-size: 12px; font-weight: 700;
  line-height: 1; padding: 3px 8px; border-radius: 8px; letter-spacing: 1px;
  box-shadow: 0 2px 6px rgba(230,57,70,.35);
}
.btn-more {
  border: none; background: transparent; color: var(--muted); font-size: 22px; line-height: 1;
  padding: 4px 8px; cursor: pointer; border-radius: 8px;
}
.btn-more:hover { background: var(--bg); }

/* 卡片主体：金额 | 到期天数 | 还款按钮 */
.bill-body { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 10px; }
.bill-amt-wrap { justify-self: start; min-width: 0; }
.bill-amount { font-size: 24px; font-weight: 800; letter-spacing: -0.5px; }
.bill-amount.paid { color: var(--muted); text-decoration: line-through; }
.bill-amt-label { font-size: 11px; color: var(--muted); margin-top: 2px; }
.amt-paid { font-size: 12px; color: var(--ok); font-weight: 600; margin-bottom: 2px; }
.due-days { text-align: center; color: var(--text); justify-self: center; }
.due-num { font-size: 42px; font-weight: 800; line-height: 1; }
.due-txt { font-size: 17px; font-weight: 700; color: var(--muted); }
/* 今天/明天/后天出账时无数字，字号与「今天到期」等 urgent 文案保持一致 */
.due-txt.no-num { font-size: 22px; font-weight: 700; line-height: 1; }
/* 还款日剩余 ≤3 天（含逾期）标红警示，文字放大加粗更醒目 */
.due-num.urgent { color: var(--danger); }
.due-txt.urgent { color: var(--danger); font-size: 22px; font-weight: 700; }
.due-date { font-size: 13px; color: var(--muted); margin-top: 2px; }
.bill-act-wrap { justify-self: end; display: flex; align-items: center; gap: 8px; }
.btn-pay, .btn-ppay {
  border: none;
  background: linear-gradient(135deg, #f0d5a8 0%, #e0b985 50%, #d4a574 100%);
  color: #fff;
  padding: 9px 18px; border-radius: 20px;
  font-size: 14px; font-weight: 600; cursor: pointer;
  box-shadow: 0 2px 6px rgba(194, 149, 101, 0.35);
  text-shadow: 0 1px 1px rgba(0,0,0,0.08);
}
.btn-pay:hover, .btn-ppay:hover {
  background: linear-gradient(135deg, #eac898 0%, #d6a36f 50%, #c29565 100%);
  box-shadow: 0 3px 8px rgba(194, 149, 101, 0.45);
}
.btn-reset {
  border: 1px solid var(--line); background: #fff; color: var(--muted);
  padding: 2px 8px; border-radius: 8px; font-size: 11px; font-weight: 600; cursor: pointer;
}
.btn-reset:hover { border-color: var(--danger); color: var(--danger); }

/* new 角标 */
.new-tag {
  position: absolute; left: 0; top: 0;
  background: #7bc144; color: #fff; font-size: 10px; font-weight: 700;
  padding: 3px 10px 3px 6px; border-radius: 0 0 12px 0;
  text-transform: lowercase; letter-spacing: 0.5px;
}

.bill-meta { display: flex; gap: 10px; font-size: 12px; color: var(--muted); flex-wrap: wrap; }
.badge-status { font-size: 11px; padding: 2px 8px; border-radius: 8px; font-weight: 600; }
.st-unpaid { background: #fff1e0; color: var(--warn); }
.st-paid { background: #e3f7ee; color: var(--ok); }
.st-hidden { background: #eef1f6; color: var(--muted); }
.st-partial { background: #e6f0ff; color: var(--primary); }
.st-review { background: #fde8e8; color: var(--danger); }
.st-stale { background: #fff7e6; color: #ff9500; }
.st-overdue { background: #fde8e8; color: var(--danger); font-weight: 700; }
.bill-amount.stale { color: #ff9500; }
.due-days.overdue, .due-days.overdue .due-txt, .due-days.overdue .due-date { color: var(--danger); }
.due-days.overdue { font-weight: 700; }
.due-days.stale, .due-days.stale .due-txt, .due-days.stale .due-date { color: #ff9500; }
.stale-status { display: flex; flex-direction: column; gap: 4px; }
.stale-status .badge-status { align-self: flex-start; }
.btn-update {
  border: none; background: var(--primary); color: #fff;
  padding: 9px 18px; border-radius: 20px; font-size: 14px; font-weight: 600; cursor: pointer;
  box-shadow: 0 2px 6px rgba(59,110,245,0.35);
  white-space: nowrap;
}
.btn-update:hover { background: var(--primary-d); }
.btn-update:disabled { opacity: .7; cursor: default; }
.bill-actions { display: flex; gap: 8px; margin-top: 4px; }
.btn-pay, .btn-ppay, .btn-reset { white-space: nowrap; }
.btn {
  border: 1px solid var(--line); background: #fff; color: var(--text);
  padding: 8px 12px; border-radius: 10px; font-size: 13px; cursor: pointer;
}
.btn:hover { border-color: var(--primary); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-d); }
.btn-block { width: 100%; }

/* 工具栏右侧按钮组（刷新 + 添加账单） */
.btn-group { display: inline-flex; align-items: center; }
.btn-group .btn { border-radius: 0; }
.btn-group .btn:first-child { border-radius: 10px 0 0 10px; }
.btn-group .btn:last-child { border-radius: 0 10px 10px 0; }
.btn-group .btn:not(:last-child) { border-right: none; }
.btn-group .btn-primary {
  position: relative;
  background: linear-gradient(135deg, #f0d5a8 0%, #e0b985 50%, #d4a574 100%);
  border-color: transparent; color: #fff;
  box-shadow: 0 2px 6px rgba(194, 149, 101, 0.35);
  text-shadow: 0 1px 1px rgba(0,0,0,0.08);
}
.btn-group .btn-primary:hover {
  background: linear-gradient(135deg, #eac898 0%, #d6a36f 50%, #c29565 100%);
  box-shadow: 0 3px 8px rgba(194, 149, 101, 0.45);
}
.btn-group .btn-primary + .btn-primary::before {
  content: ""; position: absolute; left: 0; top: 22%; bottom: 22%;
  width: 1px; background: rgba(255, 255, 255, 0.55);
}
.detail-actions { display: flex; gap: 8px; margin-top: 14px; }
.detail-actions .btn { flex: 1; }
.btn-sm { padding: 6px 10px; font-size: 12px; }
.btn-danger { color: var(--danger); border-color: #f3c4c4; }

.empty { text-align: center; color: var(--muted); padding: 40px 0; }

/* 弹窗 */
.modal { position: fixed; inset: 0; z-index: 50; display: flex; align-items: center; justify-content: center; }
.modal[hidden] { display: none !important; }
.modal-mask { position: absolute; inset: 0; background: rgba(20,26,38,0.45); }
.modal-box {
  position: relative; background: #fff; border-radius: 16px; width: min(520px, 92vw);
  max-height: 88vh; overflow: auto; box-shadow: var(--shadow); padding: 0;
}
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--line); font-weight: 700; }
.modal-head .x { border: none; background: transparent; font-size: 18px; cursor: pointer; color: var(--muted); }
.modal-body { padding: 18px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 14px; }

/* 删除确认弹窗 */
.del-warn { color: #d33; font-weight: 600; margin: 4px 0 12px; }
.del-info { padding: 10px 12px; background: #fff4f4; border: 1px solid #ffd6d6; border-radius: 10px; font-size: 14px; }
.del-amt { color: #d33; font-weight: 700; }

/* 表单 */
label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 12px; }
label input, label select, label textarea {
  display: block; width: 100%; margin-top: 5px; padding: 10px 12px; border: 1px solid var(--line);
  border-radius: 10px; font-size: 15px; color: var(--text); background: #fff; font-family: inherit;
}
label input:focus, label select:focus, label textarea:focus { outline: none; border-color: var(--primary); }

/* 历史 */
.hist-item { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; margin-bottom: 8px; display: flex; justify-content: space-between; align-items: center; }
.hist-item .h-amt { font-weight: 700; }
.hist-item .h-due { font-size: 12px; color: var(--muted); }
.hist-item .h-paidat { font-size: 11px; color: var(--ok); margin-top: 2px; }

/* 还部分弹窗 */
.pp-info { background: var(--bg); border-radius: 12px; padding: 12px 14px; margin-bottom: 14px; }
.pp-row { display: flex; justify-content: space-between; align-items: baseline; font-size: 14px; padding: 4px 0; }
.pp-row span { color: var(--muted); }
.pp-row b { font-weight: 700; font-variant-numeric: tabular-nums; }
.pp-row.pp-remain { border-top: 1px dashed var(--line); margin-top: 4px; padding-top: 8px; }
.pp-row.pp-remain b { color: var(--danger); font-size: 16px; }

/* 设置 */
.settings { background: var(--card); border-radius: 14px; padding: 18px; box-shadow: var(--shadow); }
.settings h2 { margin-top: 0; }
.muted { color: var(--muted); font-size: 13px; }
.set-form label input { font-size: 15px; }
.fetch-result { margin-top: 14px; }
.alert { padding: 10px 12px; border-radius: 10px; font-size: 13px; margin-bottom: 10px; }
.alert-err { background: #fde8e8; color: var(--danger); }
.alert-ok { background: #e3f7ee; color: var(--ok); }

/* 登录 */
.login-wrap { min-height: 70vh; display: flex; align-items: center; justify-content: center; }
.login-card { background: #fff; border-radius: 16px; padding: 28px; width: min(360px, 92vw); box-shadow: var(--shadow); }
.login-card h1 { margin: 0; text-align: center; }
.login-card .sub { text-align: center; color: var(--muted); font-size: 13px; margin: 4px 0 18px; }
.login-card label { font-size: 13px; }
.hint { font-size: 12px; color: var(--muted); text-align: center; margin-top: 12px; }
.remember { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text); margin: 2px 0 12px; cursor: pointer; }
.remember input { width: auto; margin: 0; accent-color: var(--primary); }

/* 手机端适配 */
@media (max-width: 560px) {
  .container { padding: 12px; }
  .summary { gap: 8px; }
  .sum-card { padding: 10px 6px; }
  .sum-label { font-size: 12px; white-space: nowrap; }
  .sum-value { font-size: 17px; white-space: nowrap; word-break: normal; overflow-wrap: normal; }
  .bill { padding: 12px 14px; gap: 10px; }
  .bank-logo-img { width: 36px; height: 36px; }
  .bill-bank { font-size: 15px; }
  .bill-amount { font-size: 20px; }
  .due-num { font-size: 34px; }
  .btn-pay, .btn-ppay, .btn-update { padding: 8px 15px; font-size: 13px; }
  .bill-act-wrap { gap: 6px; }
  .bill-body { grid-template-columns: 1fr auto; }
  .bill-act-wrap { grid-column: 1 / -1; justify-self: stretch; justify-content: flex-end; flex-wrap: wrap; }
  .toolbar { flex-direction: column; align-items: stretch; gap: 8px; }
  .tabs { flex: 0 0 auto; overflow-x: auto; white-space: nowrap; scrollbar-width: none; -ms-overflow-style: none; justify-content: flex-start; }
  .tabs::-webkit-scrollbar { display: none; }
  .tab { flex: 0 0 auto; }
  .btn-group { width: 100%; }
  .btn-group .btn { flex: 1 1 0; text-align: center; align-self: stretch; }
  .bill-actions { flex-wrap: wrap; }
  .btn { flex: 1; text-align: center; }
}