/* ==========================================================================
   A股资金流向看板 - 样式
   主色白，红涨绿跌（中国习惯）
   ========================================================================== */

:root {
  --bg: #f4f6f9;
  --card: #ffffff;
  --card-alt: #fafbfc;
  --border: #e8ecf1;
  --border-strong: #dde3ea;

  --text: #171a21;
  --text-2: #5b6472;
  --text-3: #98a1b0;

  --primary: #2f6fed;
  --primary-soft: #eaf1ff;

  /* 中国股市配色：涨/流入 = 红，跌/流出 = 绿 */
  --up: #e33d3d;
  --up-soft: #fdeced;
  --down: #14a05a;
  --down-soft: #e9f8f0;
  --flat: #9aa3b2;

  --radius-lg: 14px;
  --radius: 10px;
  --radius-sm: 7px;

  --shadow-sm: 0 1px 2px rgba(18, 28, 45, 0.04);
  --shadow: 0 1px 3px rgba(18, 28, 45, 0.05), 0 1px 2px rgba(18, 28, 45, 0.03);
  --shadow-md: 0 4px 14px rgba(18, 28, 45, 0.07);

  --sidebar-w: 216px;
  --topbar-h: 60px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

button, input, select { font-family: inherit; font-size: inherit; }

.num {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

.up   { color: var(--up); }
.down { color: var(--down); }
.flat { color: var(--flat); }

/* ==========================================================================
   登录页
   ========================================================================== */

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background:
    radial-gradient(900px 480px at 12% -8%, #e8f0ff 0%, transparent 62%),
    radial-gradient(760px 420px at 92% 106%, #fdeff0 0%, transparent 58%),
    var(--bg);
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 36px 32px 30px;
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}

.login-logo .mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(140deg, var(--primary), #5b8cf5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.5px;
  box-shadow: 0 3px 10px rgba(47, 111, 237, 0.28);
}

.login-title {
  font-size: 17px;
  font-weight: 650;
  letter-spacing: -0.2px;
}

.login-sub {
  font-size: 12.5px;
  color: var(--text-3);
  margin-top: 1px;
}

.login-card h1 {
  font-size: 19px;
  font-weight: 650;
  margin: 0 0 4px;
  letter-spacing: -0.3px;
}

.login-hint {
  font-size: 13px;
  color: var(--text-2);
  margin: 0 0 22px;
}

.field { margin-bottom: 14px; }

.field label {
  display: block;
  font-size: 12.5px;
  font-weight: 550;
  color: var(--text-2);
  margin-bottom: 6px;
}

.input {
  width: 100%;
  height: 42px;
  padding: 0 13px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(47, 111, 237, 0.12);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 38px;
  padding: 0 16px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  font-size: 13.5px;
  font-weight: 550;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s, opacity 0.15s;
  white-space: nowrap;
}

.btn:hover:not(:disabled) { background: var(--card-alt); border-color: var(--border-strong); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 1px 2px rgba(47, 111, 237, 0.24);
}
.btn-primary:hover:not(:disabled) { background: #2761d8; border-color: #2761d8; }

.btn-block { width: 100%; height: 42px; }

.btn-sm { height: 30px; padding: 0 10px; font-size: 12.5px; border-radius: var(--radius-sm); }

.btn-ghost { border-color: transparent; background: transparent; color: var(--text-2); }
.btn-ghost:hover:not(:disabled) { background: #f0f2f6; color: var(--text); }

.btn-danger-ghost { border-color: transparent; background: transparent; color: var(--text-3); }
.btn-danger-ghost:hover:not(:disabled) { background: var(--up-soft); color: var(--up); }

.login-error {
  display: none;
  margin-top: 12px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  background: var(--up-soft);
  color: var(--up);
  font-size: 13px;
}
.login-error.show { display: block; }

.login-foot {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-3);
  text-align: center;
}

/* ==========================================================================
   应用外壳
   ========================================================================== */

.app { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  background: #fff;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  height: var(--topbar-h);
  border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
}

.brand .mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: linear-gradient(140deg, var(--primary), #5b8cf5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  box-shadow: 0 2px 6px rgba(47, 111, 237, 0.26);
  flex: 0 0 auto;
}

.brand .name { font-size: 14.5px; font-weight: 650; letter-spacing: -0.2px; }
.brand .sub { font-size: 11px; color: var(--text-3); margin-top: -2px; }

.nav { padding: 12px 10px; overflow-y: auto; flex: 1 1 auto; }

.nav-group + .nav-group { margin-top: 18px; }

.nav-group-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-3);
  letter-spacing: 0.4px;
  padding: 0 8px;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  padding: 8px 10px;
  margin-bottom: 2px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-2);
  font-size: 13.5px;
  text-align: left;
  cursor: pointer;
  transition: background 0.14s, color 0.14s;
}

.nav-item:hover { background: #f3f5f8; color: var(--text); }

.nav-item.active {
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 600;
}

.nav-item svg { width: 16px; height: 16px; flex: 0 0 16px; }

.sidebar-foot {
  flex: 0 0 auto;
  padding: 12px;
  border-top: 1px solid var(--border);
  font-size: 11.5px;
  color: var(--text-3);
  line-height: 1.5;
}

.main {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.topbar {
  height: var(--topbar-h);
  flex: 0 0 auto;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 22px;
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar h1 {
  font-size: 15.5px;
  font-weight: 650;
  margin: 0;
  letter-spacing: -0.2px;
}

.topbar .spacer { flex: 1 1 auto; }

.topbar .date-badge {
  font-size: 12.5px;
  color: var(--text-2);
  background: var(--card-alt);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 11px;
  white-space: nowrap;
}

.content { padding: 20px 22px 40px; flex: 1 1 auto; }

.view { display: none; }
.view.active { display: block; animation: fade 0.18s ease-out; }

@keyframes fade {
  from { opacity: 0; transform: translateY(3px); }
  to   { opacity: 1; transform: none; }
}

/* ==========================================================================
   卡片
   ========================================================================== */

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 18px;
  border-bottom: 1px solid var(--border);
}

.card-head h2 {
  font-size: 14.5px;
  font-weight: 650;
  margin: 0;
  letter-spacing: -0.2px;
}

.card-head .spacer { flex: 1 1 auto; }

.card-body { padding: 18px; }

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex: 0 0 7px;
}
.dot.up { background: var(--up); }
.dot.down { background: var(--down); }

/* ==========================================================================
   统计卡片
   ========================================================================== */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 15px 17px 16px;
  position: relative;
  overflow: hidden;
}

.stat-label {
  font-size: 12.5px;
  color: var(--text-2);
  font-weight: 500;
  margin-bottom: 7px;
}

.stat-value {
  font-size: 25px;
  font-weight: 680;
  letter-spacing: -0.6px;
  line-height: 1.15;
}

.stat-value .unit {
  font-size: 13px;
  font-weight: 550;
  margin-left: 2px;
  letter-spacing: 0;
}

.stat-sub {
  font-size: 12px;
  color: var(--text-3);
  margin-top: 5px;
}

.stat-icon {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}
.stat-icon.blue  { background: var(--primary-soft); }
.stat-icon.red   { background: var(--up-soft); }
.stat-icon.green { background: var(--down-soft); }
.stat-icon.amber { background: #fff5e6; }

/* 快捷入口 */
.quick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.quick {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 15px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  color: var(--text);
  font-size: 13.5px;
  font-weight: 550;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

.quick:hover {
  border-color: #cfdcf5;
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

.quick .ico {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex: 0 0 28px;
}

/* ==========================================================================
   柱状图
   ========================================================================== */

.chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 250px;
  padding: 26px 2px 0;
  overflow-x: auto;
  overflow-y: hidden;
}

.chart-col {
  flex: 1 1 0;
  min-width: 34px;
  display: flex;
  flex-direction: column;
  height: 100%;
  cursor: default;
  position: relative;
}

.chart-col .bar-wrap {
  flex: 1 1 auto;
  min-height: 0;
  width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.chart-col .bar {
  width: 100%;
  max-width: 42px;
  border-radius: 5px 5px 2px 2px;
  transition: opacity 0.15s, filter 0.15s;
  position: relative;
}

.chart-col:hover .bar { filter: brightness(0.94); }

.chart-col .val {
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  letter-spacing: -0.2px;
}

.chart-col .lbl {
  font-size: 11px;
  color: var(--text-2);
  margin-top: 7px;
  text-align: center;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.3;
}

.bar.in  { background: linear-gradient(180deg, #e84a4a 0%, #f58080 100%); }
.bar.out { background: linear-gradient(180deg, #14a05a 0%, #63c48d 100%); }

/* 迷你条（表格内） */
.minibar {
  position: relative;
  height: 6px;
  border-radius: 3px;
  background: #f0f2f6;
  overflow: hidden;
  min-width: 52px;
}
.minibar i {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  border-radius: 3px;
  display: block;
}
.minibar i.in { background: var(--up); }
.minibar i.out { background: var(--down); }

/* ==========================================================================
   表格
   ========================================================================== */

.table-wrap { overflow-x: auto; }

table.tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

table.tbl th {
  text-align: right;
  font-weight: 550;
  font-size: 12px;
  color: var(--text-3);
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  background: var(--card-alt);
}

table.tbl th:first-child,
table.tbl td:first-child { text-align: left; padding-left: 18px; }
table.tbl th:last-child,
table.tbl td:last-child { padding-right: 18px; }

table.tbl td {
  text-align: right;
  padding: 10px 12px;
  border-bottom: 1px solid #f2f4f7;
  white-space: nowrap;
}

table.tbl tbody tr:last-child td { border-bottom: 0; }
table.tbl tbody tr:hover { background: #fafbfd; }

.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 650;
  background: #f0f2f6;
  color: var(--text-2);
}
.rank-badge.top3 { background: var(--primary-soft); color: var(--primary); }

.code-cell { display: flex; flex-direction: column; gap: 1px; }
.code-cell .nm { font-weight: 550; }
.code-cell .cd { font-size: 11px; color: var(--text-3); font-variant-numeric: tabular-nums; }

/* ==========================================================================
   工具条 / 分段控件
   ========================================================================== */

.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.seg {
  display: inline-flex;
  background: #eef1f5;
  border-radius: var(--radius);
  padding: 3px;
  gap: 2px;
}

.seg button {
  border: 0;
  background: transparent;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 550;
  color: var(--text-2);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.seg button.active {
  background: #fff;
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

select.select {
  height: 34px;
  padding: 0 30px 0 11px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: #fff url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235b6472' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 10px center;
  color: var(--text);
  font-size: 13px;
  appearance: none;
  outline: none;
  cursor: pointer;
}
select.select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(47,111,237,.12); }

/* ==========================================================================
   自选股
   ========================================================================== */

.watch-add {
  display: flex;
  gap: 8px;
  align-items: center;
}

.watch-add .input { width: 160px; height: 34px; }

.watch-empty {
  padding: 36px 20px;
  text-align: center;
  color: var(--text-3);
  font-size: 13.5px;
}
.watch-empty strong { display: block; color: var(--text-2); font-size: 14px; margin-bottom: 4px; font-weight: 600; }

/* ==========================================================================
   杂项
   ========================================================================== */

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.card + .card { margin-top: 16px; }
.grid-2 .card + .card { margin-top: 0; }

.empty-state {
  padding: 48px 24px;
  text-align: center;
}

.empty-state .ico {
  width: 46px;
  height: 46px;
  margin: 0 auto 14px;
  border-radius: 13px;
  background: var(--primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 21px;
}

.empty-state h3 { margin: 0 0 6px; font-size: 15px; font-weight: 650; }
.empty-state p { margin: 0 0 18px; color: var(--text-2); font-size: 13.5px; max-width: 460px; margin-inline: auto; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%) translateY(12px);
  background: #1d2330;
  color: #fff;
  padding: 10px 18px;
  border-radius: 9px;
  font-size: 13.5px;
  box-shadow: 0 8px 24px rgba(15, 22, 36, 0.22);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 100;
  max-width: 90vw;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { background: #b3282c; }

.log-list { font-size: 12.5px; }
.log-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid #f2f4f7;
}
.log-row:last-child { border-bottom: 0; }
.log-row .tag {
  padding: 1px 7px;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 600;
  flex: 0 0 auto;
}
.log-row .tag.ok { background: var(--down-soft); color: var(--down); }
.log-row .tag.fail { background: var(--up-soft); color: var(--up); }
.log-row .time { color: var(--text-3); font-variant-numeric: tabular-nums; flex: 0 0 auto; }
.log-row .msg { color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.spin {
  display: inline-block;
  width: 13px;
  height: 13px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.btn:not(.btn-primary) .spin { border-color: rgba(47,111,237,.3); border-top-color: var(--primary); }
@keyframes spin { to { transform: rotate(360deg); } }

.skeleton {
  background: linear-gradient(90deg, #f1f3f6 25%, #f7f8fa 37%, #f1f3f6 63%);
  background-size: 400% 100%;
  animation: shimmer 1.3s ease-in-out infinite;
  border-radius: 5px;
}
@keyframes shimmer { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }

/* ==========================================================================
   响应式
   ========================================================================== */

@media (max-width: 900px) {
  .app { flex-direction: column; }
  .sidebar {
    width: 100%;
    flex: 0 0 auto;
    height: auto;
    position: static;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
  .brand { height: 54px; }
  .nav { display: flex; gap: 4px; padding: 10px 12px; overflow-x: auto; }
  .nav-group { display: flex; gap: 4px; }
  .nav-group + .nav-group { margin-top: 0; }
  .nav-group-title, .sidebar-foot { display: none; }
  .nav-item { width: auto; white-space: nowrap; }
  .content { padding: 16px 14px 32px; }
  .topbar { padding: 0 14px; }
  .chart { height: 210px; }
  .stat-value { font-size: 22px; }
}