/* 信用卡还款提醒器 · 样式 */

:root {
  --bg: #0f1115;
  --bg-elevated: #171a21;
  --card: #1b1f28;
  --card-hover: #20252f;
  --border: #2a303c;
  --text: #e6e8ee;
  --text-muted: #8a93a5;
  --primary: #3b82f6;
  --primary-hover: #2f6fe0;
  --danger: #ef4444;

  --c-normal: #64748b;
  --c-warning: #f59e0b;
  --c-urgent: #f97316;
  --c-overdue: #ef4444;
  --c-paid: #22c55e;

  --disabled-bg: #232834;
  --disabled-border: #2e3542;
  --disabled-text: #7d8698;

  --radius: 14px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6fa;
    --bg-elevated: #ffffff;
    --card: #ffffff;
    --card-hover: #fafbfd;
    --border: #e3e7ee;
    --text: #1a2233;
    --text-muted: #6b7488;
    --disabled-bg: #eceef2;
    --disabled-border: #d9dde4;
    --disabled-text: #a0a8b6;
    --shadow: 0 8px 30px rgba(30, 40, 70, 0.08);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

/* ---------- 通用控件 ---------- */
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  border-radius: 10px;
  font-size: 14px;
  transition: background 0.15s, opacity 0.15s, transform 0.05s;
}
button:active { transform: scale(0.98); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.primary {
  background: var(--primary);
  color: #fff;
  padding: 12px 18px;
  font-weight: 600;
}
.primary:hover { background: var(--primary-hover); }

.ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 10px 14px;
}
.ghost:hover { color: var(--text); border-color: var(--text-muted); }

input {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s;
}
input:focus { border-color: var(--primary); }
input::placeholder { color: var(--text-muted); }

/* ---------- 登录视图 ---------- */
.view { min-height: 100vh; }

#login-view {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
/* 登录页的语言切换固定在右上角 */
#login-view > .lang-switch {
  position: absolute;
  top: 20px;
  right: 20px;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
}

.login-head { text-align: center; margin-bottom: 22px; }
.login-head .logo { font-size: 40px; }
.login-head h1 { font-size: 20px; margin: 10px 0 4px; }
.login-head .subtitle { color: var(--text-muted); font-size: 13px; margin: 0; }

.tabs {
  display: flex;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 18px;
}
.tab {
  flex: 1;
  padding: 9px 0;
  background: transparent;
  color: var(--text-muted);
  font-size: 13px;
}
.tab.active {
  background: var(--card);
  color: var(--text);
  font-weight: 600;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.tab-panel { display: flex; flex-direction: column; gap: 12px; }

.code-row { display: flex; gap: 10px; }
.code-row input { flex: 1; }
.code-row .ghost { white-space: nowrap; padding: 0 14px; }

.msg { margin-top: 14px; font-size: 13px; min-height: 18px; text-align: center; }
.msg.err { color: var(--danger); }
.msg.ok { color: var(--c-paid); }

.hint { color: var(--text-muted); font-size: 12px; text-align: center; margin: 16px 0 0; }

/* ---------- 主视图 ---------- */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-weight: 700; font-size: 16px; }
.user-box { display: flex; align-items: center; gap: 12px; }
#user-email { color: var(--text-muted); font-size: 13px; }

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}
.toolbar h2 { font-size: 20px; margin: 0; }
.toolbar-right { display: flex; align-items: center; gap: 10px; }

/* 卡片样式切换 */
.style-switch {
  display: flex;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 3px;
}
.style-btn {
  padding: 6px 12px;
  background: transparent;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  border-radius: 8px;
}
.style-btn.active {
  background: var(--card);
  color: var(--text);
  font-weight: 600;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

/* 语言切换（登录页右上角 + 主视图 header 右上角共用） */
.lang-switch {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 2px;
}
.lang-btn {
  padding: 5px 10px;
  background: transparent;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.25;
  border-radius: 7px;
  letter-spacing: 0.02em;
}
.lang-btn:hover { color: var(--text); }
.lang-btn.active {
  background: var(--card);
  color: var(--text);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* 主视图 tab 导航 */
.main-tabs {
  display: flex;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 20px;
}
.main-tab {
  flex: 1;
  padding: 10px 0;
  background: transparent;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
}
.main-tab.active {
  background: var(--card);
  color: var(--text);
  font-weight: 600;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.summary-alert {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 18px;
  font-size: 14px;
}
.sum-overdue { color: var(--c-overdue); font-weight: 600; }
.sum-soon { color: var(--c-urgent); font-weight: 600; }

#card-list { display: flex; flex-direction: column; gap: 14px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  transition: background 0.15s;
}
.card:hover { background: var(--card-hover); }

/* 双布局：左卡面 + 右状态/操作 */
.card.style-a,
.card.style-b {
  display: flex;
  gap: 16px;
  align-items: stretch;
}

/* —— 拟物卡面 —— */
.card-face {
  flex: 0 0 250px;
  aspect-ratio: 85.6 / 53.98;
  align-self: flex-start;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 16px;
  border-radius: 12px;
  color: #fff;
  background:
    radial-gradient(130% 130% at 0% 0%, rgba(255, 255, 255, 0.16) 0%, rgba(255, 255, 255, 0) 46%),
    linear-gradient(135deg, #123069 0%, #1e4fd8 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08), 0 6px 18px rgba(18, 48, 105, 0.35);
  overflow: hidden;
}
.card-face.compact {
  flex: 0 0 210px;
}
.face-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.face-bank {
  font-size: 13px;
  font-weight: 600;
  opacity: 0.92;
  letter-spacing: 0.4px;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.face-logo { font-size: 20px; opacity: 0.9; line-height: 1; flex-shrink: 0; }
.face-alias {
  font-size: 17px;
  font-weight: 700;
  margin-top: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.face-number {
  font-size: 15px;
  letter-spacing: 2px;
  opacity: 0.94;
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
}
.face-bottom { display: flex; gap: 22px; margin-top: 10px; }
.face-field { display: flex; flex-direction: column; gap: 2px; }
.face-field span { font-size: 11px; opacity: 0.68; }
.face-field b { font-size: 13px; font-weight: 600; }
.card-face.compact .face-number { margin-top: 14px; }
.card-face.compact .face-field { margin-top: 6px; }

/* —— 右侧信息/操作区 —— */
.card-side {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  min-width: 0;
}
.side-top {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}

.badge {
  flex-shrink: 0;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(100, 116, 139, 0.15);
  color: var(--c-normal);
  white-space: nowrap;
}
.badge.warning { background: rgba(245, 158, 11, 0.15); color: var(--c-warning); }
.badge.urgent { background: rgba(249, 115, 22, 0.15); color: var(--c-urgent); }
.badge.overdue { background: rgba(239, 68, 68, 0.15); color: var(--c-overdue); }

.card-period { color: var(--text-muted); font-size: 13px; font-weight: 600; }

/* —— 方案 B：大号倒计时 —— */
.countdown {
  display: flex;
  align-items: baseline;
  gap: 5px;
  line-height: 1;
}
.countdown-num {
  font-size: 44px;
  font-weight: 800;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  letter-spacing: -1px;
}
.countdown-unit { font-size: 15px; color: var(--text-muted); font-weight: 500; }
.countdown-label { font-size: 13px; color: var(--text-muted); font-weight: 600; }
.countdown.warning .countdown-num { color: var(--c-warning); }
.countdown.urgent .countdown-num { color: var(--c-urgent); }
.countdown.overdue .countdown-num { color: var(--c-overdue); }
.countdown-label.warning { color: var(--c-warning); }
.countdown-label.urgent { color: var(--c-urgent); }
.countdown-label.overdue { color: var(--c-overdue); }

.card-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.btn-paid {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 7px 12px;
  font-size: 13px;
  font-weight: normal;
}
.btn-paid:hover { color: var(--text); border-color: var(--text-muted); }

.btn-mini {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 7px 12px;
  font-size: 13px;
}
.btn-mini:hover { color: var(--text); border-color: var(--text-muted); }
.btn-mini.danger:hover { color: var(--danger); border-color: var(--danger); }
.btn-mini.confirming {
  color: #fff;
  background: var(--danger);
  border-color: var(--danger);
}

/* ---------- 空状态 ---------- */
.empty { text-align: center; padding: 60px 20px; }
.empty-icon { font-size: 48px; }
.empty p { margin: 8px 0 0; }
.empty .muted { color: var(--text-muted); font-size: 13px; }

/* ---------- 还款记录 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}
.filter-bar select {
  flex: 1 1 30%;
  min-width: 88px;
  padding: 10px 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 14px;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238a93a5' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}
.filter-bar select:focus { border-color: var(--primary); }
#filter-card { flex: 1 1 100%; }

#records-list { display: flex; flex-direction: column; gap: 12px; }

.record {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.record-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.record-alias { font-size: 15px; font-weight: 600; }
.record-sub { color: var(--text-muted); font-size: 13px; display: flex; align-items: center; gap: 8px; }
.record-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}
.record-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
}
.record-line span { color: var(--text-muted); }
.record-line b { font-weight: 600; }

/* ---------- 弹层 ---------- */
.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}
.modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
}
.modal-card {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  max-height: 90vh;
  overflow-y: auto;
}
.modal-card h3 { margin: 0 0 18px; font-size: 18px; }

#card-form { display: flex; flex-direction: column; gap: 8px; }
#card-form label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 6px;
}
#card-form label em { color: var(--danger); font-style: normal; }

.form-row { display: flex; gap: 12px; }
.form-row > div { flex: 1; }

.field-hint { color: var(--text-muted); font-size: 12px; margin: 4px 0 0; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 480px) {
  header { padding: 12px 14px; }
  #user-email { display: none; }
  .brand { font-size: 14px; }
  .user-box { gap: 8px; }
  .lang-btn { padding: 5px 8px; font-size: 11px; }
  #login-view > .lang-switch { top: 14px; right: 14px; }
  main { padding: 18px 14px 48px; }
  .toolbar { flex-wrap: wrap; }
  .card.style-a,
  .card.style-b { flex-direction: column; }
  .card-face,
  .card-face.compact { flex: 1 1 auto; width: 100%; aspect-ratio: auto; min-height: 150px; }
  .card-side { width: 100%; }
  .card-actions { width: 100%; justify-content: flex-end; }
}

/* ---------- 表单内错误提示 ---------- */
.form-msg {
  min-height: 18px;
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--danger);
}
.form-msg:empty { min-height: 0; margin: 0; }

/* ---------- 导入邮箱账单（暂未开通 · 方案C：灰底 + 未开通角标） ---------- */
.btn-import-disabled {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border: 1px solid var(--disabled-border);
  background: var(--disabled-bg);
  color: var(--disabled-text);
  cursor: pointer;
  white-space: nowrap;
}
.btn-import-disabled:hover { color: var(--text-muted); }
.btn-import-disabled svg { flex-shrink: 0; }
.btn-import-disabled .unavailable-badge {
  position: absolute;
  top: -8px;
  right: -7px;
  padding: 0 6px;
  border-radius: 999px;
  font-size: 11px;
  line-height: 17px;
  background: var(--danger);
  color: #ffffff;
}

.bill-import-hint {
  margin: 0 0 18px;
  padding: 14px 16px;
  border: 1px solid rgba(239, 68, 68, 0.4);
  border-radius: 12px;
  background: rgba(239, 68, 68, 0.1);
}
.bill-import-hint strong {
  display: block;
  font-size: 14px;
  color: var(--danger);
  margin-bottom: 6px;
}
.bill-import-hint p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--danger);
}

@media (max-width: 480px) {
  .toolbar-right { flex-wrap: wrap; justify-content: flex-end; }
  /* 英文角标更长；窄屏收进按钮内，避免顶出容器造成横向溢出。
     必须放在基础样式 .btn-import-disabled .unavailable-badge 之后，否则同优先级下会被覆盖。 */
  .btn-import-disabled .unavailable-badge { right: 0; top: -7px; }
}

/* ---------- 全局轻提示 toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 36px;
  transform: translate(-50%, 16px);
  max-width: 82vw;
  padding: 10px 18px;
  border-radius: 10px;
  background: var(--text);
  color: var(--bg);
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 300;
  box-shadow: var(--shadow);
}
.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}
.toast.err {
  background: var(--danger);
  color: #fff;
}