/* Base theme variables and UI styles */
:root {
  --bg: #0f172a;
  --surface: #0f172a;
  --card: #111827;
  --muted: #64748b;
  --text: #e5e7eb;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --danger: #ef4444;
  --ring: rgba(59,130,246,.35);
  --shadow: 0 8px 20px rgba(0,0,0,.25);
  --radius: 14px;
  --card-bg: linear-gradient(180deg, #0b1220 0%, #0f172a 100%);
  --card-border: rgba(255,255,255,0.06);
  --input-bg: #0b1220;
  --input-border: rgba(255,255,255,0.09);
  --placeholder: rgba(229,231,235,.45);
}

:root[data-theme="light"] {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --card: #ffffff;
  --muted: #6b7280;
  --text: #0f172a;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #dc2626;
  --ring: rgba(37,99,235,.25);
  --shadow: 0 8px 24px rgba(17,24,39,.08);
  --card-bg: linear-gradient(180deg, #ffffff 0%, #f9fafb 100%);
  --card-border: rgba(15,23,42,0.08);
  --input-bg: #f3f4f6;
  --input-border: rgba(15,23,42,0.12);
  --placeholder: rgba(15,23,42,.45);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  color: var(--text);
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    url('/img/bg-stocks-tiles.svg') left top / 120px 120px repeat,
    var(--bg);
  position: relative;
}
:root[data-theme="light"] .page {
  background:
    url('/img/bg-stocks-tiles.svg') left top / 120px 120px repeat,
    var(--bg);
}
.page::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(60% 60% at 50% 20%, rgba(0,0,0,.25), rgba(0,0,0,.45)),
              linear-gradient(180deg, rgba(0,0,0,.15), rgba(0,0,0,.35));
  pointer-events: none;
  z-index: 0;
}
:root[data-theme="light"] .page::before {
  background: radial-gradient(60% 60% at 50% 20%, rgba(15,23,42,.08), rgba(15,23,42,.16)),
              linear-gradient(180deg, rgba(15,23,42,.06), rgba(15,23,42,.12));
}
.auth-panel, .auth-card, .card { position: relative; z-index: 1; }

.app { min-height: 100vh;}

.card {
  width: 100%;
  max-width: 460px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.brand { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.brand__logo { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, #3b82f6, #22d3ee); box-shadow: 0 6px 20px rgba(34,211,238,.4); }
.brand__name { font-weight: 700; letter-spacing: .5px; }

.title { font-size: 22px; margin: 10px 0 6px; }
.subtitle { color: var(--muted); margin: 0 0 18px; }

.form { display: grid; gap: 14px; }
.input {
  width: 100%;
  background: var(--input-bg);
  color: var(--text);
  border: 1px solid var(--input-border);
  padding: 12px 14px;
  border-radius: 14px;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  height: 48px;
  font-size: 16px;
}
.input::placeholder { color: var(--placeholder); }
.input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px var(--ring); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.1);
  background: linear-gradient(180deg, var(--primary), var(--primary-hover));
  color: white;
  font-weight: 600;
  letter-spacing: .3px;
  cursor: pointer;
  text-decoration: none;
  transition: transform .05s ease-in-out, filter .2s;
  height: 48px;
  font-size: 16px;
}
.btn:hover { filter: brightness(1.05); }
.btn:active { transform: translateY(1px); }

.notice { font-size: 14px; color: var(--muted); margin-top: 8px; }
.error {
  margin-top: 8px; color: #fecaca; background: rgba(239,68,68,.12);
  border: 1px solid rgba(239,68,68,.35);
  padding: 10px 12px; border-radius: 12px; line-height: 1.4;
}
.success {
  margin-top: 8px; color: #bbf7d0; background: rgba(34,197,94,.12);
  border: 1px solid rgba(34,197,94,.35);
  padding: 10px 12px; border-radius: 12px; line-height: 1.4;
}
:root[data-theme="light"] .success { color: #166534; background: rgba(34,197,94,.14); border-color: rgba(34,197,94,.28); }
:root[data-theme="light"] .error { color: #991b1b; background: rgba(239,68,68,.12); border-color: rgba(239,68,68,.25); }

/* Navbar */
.navbar { position: fixed; top: 0; left: 0; right: 0; height: 48px; background: color-mix(in lab, var(--surface) 82%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(0,0,0,.06); z-index: 100; }
.navbar__wrap { max-width: 90vw; margin: 0 auto; height: 48px; padding: 0 16px; display: flex; align-items: center; justify-content: space-between; }
.navbar__brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.navbar__logo { width: 22px; height: 22px; border-radius: 6px; background: linear-gradient(135deg, var(--primary), #22d3ee); }
.navbar__title { font-weight: 700; letter-spacing: .3px; font-size: 14px; }
.navbar__links { display: flex; gap: 6px; align-items: center; margin-left: 10px; }
.navbar__link { color: var(--muted); text-decoration: none; padding: 6px 8px; border-radius: 8px; font-size: 13px; }
.navbar__link.active, .navbar__link:hover { color: var(--text); background: rgba(0,0,0,0.08); }
.navbar__right { display: flex; align-items: center; gap: 10px; color: var(--text); }
.navbar__toggle { padding: 4px 8px; border-radius: 8px; border: 1px solid rgba(0,0,0,0.08); background: transparent; color: var(--text); cursor: pointer; font-size: 12px; }
.navbar__nick { font-weight: 600; font-size: 13px; }
.navbar__btn { padding: 6px 10px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.12); background: rgba(239,68,68,.15); color: #fecaca; cursor: pointer; text-decoration: none; font-size: 12px; }
:root[data-theme="light"] .navbar__btn { border-color: rgba(15,23,42,0.12); background: rgba(220,38,38,.10); color: #b91c1c; }
:root[data-theme="light"] .navbar__btn:hover { background: rgba(220,38,38,.14); }

.container { max-width: 100vw; margin: 0 auto; padding: 16px; }
body { background: var(--bg); }          /* 覆盖默认白色 */
.app  { background: var(--bg); }         /* 登录外的页面 */

/* ===== 优化导航栏中“切换盒子”按钮样式 ===== */
#nav-switch-box {
  color: var(--primary);
  padding: 3px 6px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  transition: all .15s ease;
  cursor: pointer;
}
#nav-switch-box:hover {
  background: color-mix(in srgb, var(--primary) 18%, transparent);
  color: var(--primary-hover);
  transform: translateY(-1px);
}
#nav-switch-box:active {
  transform: translateY(0);
}
#nav-switch-box.is-disabled {
  opacity: 0.5;
  pointer-events: none;
  cursor: not-allowed;
}
:root[data-theme="dark"] #nav-switch-box {
  border-color: color-mix(in srgb, var(--primary) 70%, transparent);
  background: color-mix(in srgb, var(--primary) 15%, transparent);
}


/* ===== 用户菜单样式 ===== */
.navbar__user {
  position: relative;
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  user-select: none;
}

.navbar__arrow {
  font-size: 12px;
  transition: transform 0.2s ease;
}

.navbar__menu {
  position: absolute;
  top: 120%;
  right: 0;
  min-width: 120px;
  background: var(--surface);
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 10px;
  box-shadow: var(--shadow);
  display: none;
  flex-direction: column;
  z-index: 200;
  overflow: hidden;
}

.navbar__menu a {
  color: var(--text);
  text-decoration: none;
  padding: 8px 12px;
  font-size: 13px;
  display: block;
  transition: background .2s;
}

.navbar__menu a:hover {
  background: rgba(0,0,0,0.08);
}

.navbar__menu.show {
  display: flex;
}
.navbar { z-index: 2000; }        /* 原来是 100，可能被图表/遮罩盖住 */
.navbar__menu { z-index: 3000; }  /* 确保下拉层在最上面 */