/* Gaijin Watch — WinUI 3 / Fluent Design tokens */
:root {
  --font-body: "Segoe UI Variable Text", "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-display: "Segoe UI Variable Display", "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --bg: #f3f3f3;
  --panel: #fbfbfb;
  --card: rgba(255, 255, 255, .7);
  --card-solid: #fff;
  --soft: #f5f5f5;
  --ink: #1a1a1a;
  --ink-secondary: #616161;
  --muted: #8a8a8a;
  --line: #e5e5e5;
  --line-strong: #8d8d8d;
  --accent: #005fb8;
  --accent-hover: #1a6cc0;
  --accent-pressed: #3084cc;
  --accent-disabled: #bfdbf4;
  --green: #0f7b0f;
  --red: #c42b1c;
  --nav: rgba(243, 243, 243, .78);
  --focus-ring: #1a1a1a;
  --radius-control: 4px;
  --radius-card: 8px;
  --shadow-card: 0 .5px 1px rgba(0, 0, 0, .06), 0 .25px 1px rgba(0, 0, 0, .04);
  --shadow-flyout: 0 .25rem .5rem rgba(0, 0, 0, .05), 0 .5rem 2.5rem rgba(0, 0, 0, .2);
}

* { box-sizing: border-box; }

html {
  font: 14px/1.45 var(--font-body);
  color: var(--ink);
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 1120px;
  min-height: 100vh;
  background: linear-gradient(180deg, #e8eef6, var(--bg) 480px) fixed;
}

h1, h2 { font-family: var(--font-display); font-weight: 600; letter-spacing: 0; }

a { color: var(--accent); }
a:hover { color: var(--accent-hover); }

button, input, select { font: inherit; }

:is(a, button, input, summary):focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 1px;
  border-radius: var(--radius-control);
}

input[type="checkbox"] { accent-color: var(--accent); width: 16px; height: 16px; }

/* ---------- Top bar (Mica-style title bar) ---------- */
.topbar {
  height: 48px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--nav);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(60px) saturate(125%);
  -webkit-backdrop-filter: blur(60px) saturate(125%);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 4px;
  background: linear-gradient(180deg, #1a8ce8, var(--accent));
  color: #fff;
  font-size: 13px;
}

.topbar nav { display: flex; align-items: center; gap: 4px; }

.topbar nav a, .nav-button {
  border: 0;
  background: transparent;
  color: var(--ink);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: var(--radius-control);
  font-size: 13px;
  cursor: pointer;
  transition: background .1s ease, color .1s ease;
}

.topbar nav a:hover, .nav-button:hover { background: rgba(0, 0, 0, .04); color: var(--ink-secondary); }
.topbar nav a:active, .nav-button:active { background: rgba(0, 0, 0, .02); color: var(--muted); }
.topbar nav form { margin: 0; }

.topbar .nav-primary {
  background: var(--accent);
  border: 1px solid rgba(0, 0, 0, .12);
  border-bottom-color: rgba(0, 0, 0, .2);
  color: #fff;
}
.topbar .nav-primary:hover { background: var(--accent-hover); color: #fff; }
.topbar .nav-primary:active { background: var(--accent-pressed); color: rgba(255, 255, 255, .6); }

/* ---------- InfoBar (flash) ---------- */
.flash-wrap {
  position: fixed;
  top: 60px;
  left: 50%;
  z-index: 50;
  transform: translateX(-50%);
  display: grid;
  gap: 6px;
}

.flash {
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--nav);
  box-shadow: var(--shadow-flyout);
  backdrop-filter: blur(60px) saturate(125%);
  -webkit-backdrop-filter: blur(60px) saturate(125%);
  font-size: 13px;
  font-weight: 600;
}

/* ---------- Buttons ---------- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0, 0, 0, .14);
  border-bottom-width: 1px;
  border-radius: var(--radius-control);
  background: var(--panel);
  color: var(--ink);
  text-decoration: none;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .1s ease, border-color .1s ease, color .1s ease;
}

.button:hover { background: #f5f5f5; border-color: rgba(0, 0, 0, .1); }
.button:active { background: #f0f0f0; color: var(--ink-secondary); border-color: rgba(0, 0, 0, .12); }

.button.primary {
  background: var(--accent);
  border-color: rgba(0, 0, 0, .12);
  border-bottom-color: rgba(0, 0, 0, .2);
  color: #fff;
}
.button.primary:hover { background: var(--accent-hover); color: #fff; }
.button.primary:active { background: var(--accent-pressed); color: rgba(255, 255, 255, .6); }

.button.danger { color: var(--red); border-color: rgba(196, 43, 28, .4); background: rgba(196, 43, 28, .04); }
.button.danger:hover { background: rgba(196, 43, 28, .08); border-color: rgba(196, 43, 28, .5); }
.button.danger:active { background: rgba(196, 43, 28, .04); color: rgba(196, 43, 28, .6); }

.button.wide { width: 100%; }

/* ---------- Typography helpers ---------- */
.eyebrow {
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
}

/* ---------- Landing ---------- */
.landing { max-width: 1180px; margin: auto; padding: 96px 40px 64px; }
.hero-copy { max-width: 760px; }
.hero-copy h1 { font-size: 60px; line-height: 1.08; font-weight: 700; margin: 12px 0 16px; }
.hero-copy p { font-size: 18px; color: var(--ink-secondary); max-width: 680px; }
.hero-actions { display: flex; gap: 8px; margin-top: 28px; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 88px; }
.feature-grid article {
  display: grid;
  gap: 6px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--card);
  box-shadow: var(--shadow-card);
}
.feature-grid b { font-size: 15px; font-weight: 600; }
.feature-grid span { color: var(--ink-secondary); font-size: 13px; }

footer { display: flex; justify-content: center; gap: 20px; padding: 28px; color: var(--muted); font-size: 12px; }
footer a { color: inherit; }
footer a:hover { color: var(--ink-secondary); }

/* ---------- Auth ---------- */
.auth-shell { min-height: calc(100vh - 104px); display: grid; place-items: center; padding: 40px; }

.auth-card {
  width: 420px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--nav);
  box-shadow: var(--shadow-flyout);
  backdrop-filter: blur(60px) saturate(125%);
  -webkit-backdrop-filter: blur(60px) saturate(125%);
}
.auth-card.wide-card { width: 560px; }
.auth-card.setup-card { width: 720px; }
.auth-card h1 { font-size: 28px; font-weight: 600; margin: 6px 0; }
.auth-card > p { color: var(--ink-secondary); margin: 0 0 24px; font-size: 13px; }

.auth-card label, .settings-card label {
  display: grid;
  gap: 6px;
  margin: 14px 0;
  font-size: 13px;
  font-weight: 600;
}

/* WinUI TextBox: light border, stronger bottom, accent bottom on focus */
.auth-card input, .settings-card input, .add-watch input {
  border: 1px solid #dedede;
  border-bottom: 2px solid var(--line-strong);
  border-radius: var(--radius-control) var(--radius-control) 0 0;
  background: #fdfdfd;
  color: var(--ink);
  padding: 9px 11px;
  outline: none;
  transition: border-color .1s ease, background .1s ease;
}
.auth-card input:hover:not(:focus), .settings-card input:hover:not(:focus), .add-watch input:hover:not(:focus) {
  background: #f9f9f9;
  border-bottom-color: #6a6a6a;
}
.auth-card input:focus, .settings-card input:focus, .add-watch input:focus {
  border-bottom-color: var(--accent);
  background: #fff;
}

.form-foot { text-align: center; color: var(--ink-secondary); margin-top: 18px; font-size: 13px; }

.agreements { display: grid; gap: 10px; margin: 20px 0; }
.agreements label, .check {
  display: flex !important;
  align-items: flex-start;
  gap: 10px !important;
  margin: 0 !important;
  font-weight: 400 !important;
  font-size: 13px;
}
.agreements input, .check input { width: auto; padding: 0; margin-top: 2px; }

.setup-grid { display: grid; grid-template-columns: 220px 1fr; gap: 24px; align-items: center; }
.qr { display: grid; place-items: center; padding: 12px; border: 1px solid var(--line); border-radius: var(--radius-card); background: #fff; }
.qr img { width: 190px; height: 190px; }
.setup-grid li { margin: 6px 0; color: var(--ink-secondary); }

.secret {
  display: block;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--soft);
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 12px;
  word-break: break-all;
  margin: 15px 0;
}

.verify-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: end;
  border-top: 1px solid var(--line);
  margin-top: 22px;
  padding-top: 18px;
}
.verify-form .check { grid-column: 1 / -1; }

/* ---------- Dashboard ---------- */
.dashboard, .settings-shell { max-width: 1480px; margin: auto; padding: 24px 32px 56px; }

.page-head { display: flex; align-items: end; justify-content: space-between; margin-bottom: 20px; }
.page-head h1 { font-size: 28px; font-weight: 600; margin: 4px 0 0; }
.page-head p { color: var(--ink-secondary); margin: 2px 0; font-size: 13px; }

.notice-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border: 1px solid #cfe4f7;
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-card);
  background: #f8fbfe;
  margin-bottom: 16px;
  font-size: 13px;
}
.notice-card p { margin: 3px 0 0; color: var(--ink-secondary); }

.add-watch {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--card);
  box-shadow: var(--shadow-card);
  margin-bottom: 16px;
}

.watch-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }

.watch-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--card);
  box-shadow: var(--shadow-card);
  transition: border-color .1s ease;
}
.watch-card:hover { border-color: #d1d1d1; }

.product-head { display: grid; grid-template-columns: 92px 1fr auto; gap: 14px; align-items: center; }
.product-art {
  position: relative;
  width: 92px;
  height: 68px;
  border-radius: var(--radius-control);
  background: var(--soft);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.product-art img { position: relative; width: 90px; height: 66px; object-fit: contain; opacity: 0; transition: opacity .25s ease; }
.product-art.ready img { opacity: 1; }
.product-art.ready .shimmer { opacity: 0; }
.shimmer {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, #ececec 20%, #f8f8f8 42%, #ececec 62%);
  background-size: 220% 100%;
  animation: shimmer 1.3s ease-in-out infinite;
  transition: opacity .2s;
}

.product-title h2 { font-size: 16px; font-weight: 600; margin: 0 0 4px; }
.product-title a { font-size: 12px; text-decoration: none; }

.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(15, 123, 15, .12); }
.live-dot.error { background: var(--red); box-shadow: 0 0 0 4px rgba(196, 43, 28, .12); }

.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin: 14px 0 8px; }
.metrics div { padding: 8px 10px; border-radius: var(--radius-control); background: rgba(0, 0, 0, .025); }
.metrics span { display: block; color: var(--ink-secondary); font-size: 11px; }
.metrics b { display: block; font-size: 14px; font-weight: 600; margin-top: 3px; font-variant-numeric: tabular-nums; }
.metrics .buy { color: var(--green); }
.metrics .sell { color: var(--red); }

.trend { display: block; width: 100%; height: 90px; }

.watch-card details { border-top: 1px solid var(--line); margin-top: 8px; padding-top: 8px; }
.watch-card summary { cursor: pointer; font-size: 13px; font-weight: 600; color: var(--ink-secondary); border-radius: var(--radius-control); padding: 4px; margin: -4px; list-style: none; }
.watch-card summary::-webkit-details-marker { display: none; }
.watch-card summary::before { content: "›"; margin-right: 6px; font-size: 14px; line-height: 1; display: inline-block; transition: transform .1s ease; }
.watch-card details[open] summary::before { transform: rotate(90deg); }
.watch-card summary:hover { color: var(--ink); }
.watch-settings { padding-top: 12px; }

.threshold { display: grid; grid-template-columns: auto 1fr auto 1fr; gap: 8px; align-items: center; }
.threshold label, .channels label { display: flex; gap: 6px; align-items: center; font-size: 12px; }
.threshold input[type="number"] {
  min-width: 0;
  border: 1px solid #dedede;
  border-bottom: 2px solid var(--line-strong);
  border-radius: var(--radius-control) var(--radius-control) 0 0;
  background: #fdfdfd;
  padding: 7px 10px;
}
.threshold input[type="number"]:focus { outline: none; border-bottom-color: var(--accent); background: #fff; }

.channels { display: flex; gap: 14px; align-items: center; margin-top: 12px; padding: 10px; border: 1px solid var(--line); border-radius: var(--radius-control); background: var(--soft); }
.channels span { font-size: 12px; font-weight: 600; margin-right: auto; color: var(--ink-secondary); }

.row-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 12px; }

.empty-state {
  grid-column: 1 / -1;
  display: grid;
  gap: 6px;
  place-items: center;
  padding: 88px;
  border: 1px dashed #c8c8c8;
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, .4);
  color: var(--ink-secondary);
}
.empty-state b { color: var(--ink); font-size: 15px; font-weight: 600; }

/* ---------- Settings ---------- */
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.settings-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--card);
  box-shadow: var(--shadow-card);
}
.settings-card h2 { font-size: 15px; font-weight: 600; margin: 0; }
.settings-card > p { color: var(--ink-secondary); font-size: 13px; }
.settings-card.smtp { grid-column: 1 / -1; }

.field-grid { display: grid; grid-template-columns: 2fr .7fr 1fr 1fr 1fr 1fr; gap: 10px; }

.status-good {
  display: inline-block;
  padding: 6px 10px;
  border: 1px solid rgba(15, 123, 15, .35);
  border-radius: var(--radius-control);
  background: rgba(15, 123, 15, .08);
  color: var(--green);
  font-size: 12px;
  font-weight: 600;
}

.save-settings { grid-column: 1 / -1; justify-self: end; }

.delete-card { margin-top: 16px; border-color: rgba(196, 43, 28, .35); }
.delete-card h2 { color: var(--red); }
.delete-card form { display: flex; align-items: end; gap: 10px; }
.delete-card label { flex: 1; }

/* ---------- Legal ---------- */
.legal {
  max-width: 820px;
  margin: 40px auto;
  padding: 32px 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--card);
  box-shadow: var(--shadow-card);
}
.legal h1 { font-size: 28px; font-weight: 600; }
.legal h2 { font-size: 16px; margin-top: 28px; }
.legal p { color: var(--ink-secondary); }
.legal-date { color: var(--muted) !important; font-size: 12px; }

@keyframes shimmer {
  from { background-position: 130% 0; }
  to { background-position: -100% 0; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

@media (prefers-reduced-transparency: reduce) {
  .topbar, .auth-card, .flash { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--panel); }
}

/* ---------- WinUI 3 dark theme ---------- */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #202020;
    --panel: #2d2d2d;
    --card: rgba(45, 45, 45, .7);
    --card-solid: #2d2d2d;
    --soft: rgba(255, 255, 255, .05);
    --ink: #ffffff;
    --ink-secondary: rgba(255, 255, 255, .78);
    --muted: rgba(255, 255, 255, .6);
    --line: rgba(255, 255, 255, .12);
    --line-strong: rgba(255, 255, 255, .55);
    --accent: #60cdff;
    --accent-hover: #53c6fb;
    --accent-pressed: #43b2e6;
    --green: #6ccb6a;
    --red: #ffb9b2;
    --nav: rgba(32, 32, 32, .85);
    --focus-ring: #ffffff;
    --shadow-card: none;
    --shadow-flyout: 0 2px 16px rgba(0, 0, 0, .4);
  }

  body { background: linear-gradient(180deg, #1c2733, var(--bg) 480px) fixed; }
  .topbar .nav-primary, .button.primary { background: #005fb8; color: #fff; border-color: rgba(255, 255, 255, .14); border-bottom-color: rgba(0, 0, 0, .4); }
  .topbar .nav-primary:hover, .button.primary:hover { background: #1a6cc0; color: #fff; }
  .topbar .nav-primary:active, .button.primary:active { background: #2e89d3; color: rgba(255, 255, 255, .7); }
  .button { background: rgba(255, 255, 255, .065); border-color: rgba(255, 255, 255, .14); border-bottom-color: rgba(255, 255, 255, .2); color: var(--ink); }
  .button:hover { background: rgba(255, 255, 255, .09); border-color: rgba(255, 255, 255, .12); }
  .button:active { background: rgba(255, 255, 255, .06); color: var(--ink-secondary); }
  .button.danger { color: #ffb9b2; border-color: rgba(255, 185, 178, .35); background: rgba(255, 185, 178, .06); }
  .button.danger:hover { background: rgba(255, 185, 178, .1); }
  .auth-card input, .settings-card input, .add-watch input, .threshold input[type="number"] {
    background: rgba(255, 255, 255, .05);
    border-color: rgba(255, 255, 255, .14);
    border-bottom-color: rgba(255, 255, 255, .55);
    color: var(--ink);
  }
  .auth-card input:hover:not(:focus), .settings-card input:hover:not(:focus), .add-watch input:hover:not(:focus) { background: rgba(255, 255, 255, .07); }
  .metrics div { background: rgba(255, 255, 255, .04); }
  .notice-card { border-color: rgba(96, 205, 255, .3); border-left-color: #60cdff; background: rgba(0, 95, 184, .12); }
  .status-good { border-color: rgba(108, 203, 106, .35); background: rgba(108, 203, 106, .08); }
  .empty-state { background: rgba(255, 255, 255, .02); border-color: rgba(255, 255, 255, .2); }
  .qr, .product-art img { background: #fff; }
  .shimmer { background: linear-gradient(105deg, #2b2b2b 20%, #3a3a3a 42%, #2b2b2b 62%); background-size: 220% 100%; }
}