/* Light is the base palette; the dark values below override it when the
   viewer's system asks for dark, or when the header toggle stamps
   data-theme on <html>. Every colour has a definition here, so a token is
   never left undefined in one of the three states (light / dark / system). */
:root {
  --bg: #f4f5f8;
  --surface: #ffffff;
  --surface-2: #eef0f5;
  --border: #d8dce5;
  --text: #1b1e25;
  --text-dim: #5d6472;
  --primary: #3a63e0;
  --primary-dark: #2c4dbb;
  --success: #17914b;
  --danger: #d63b3b;
  --warning: #b87400;
  --nav-bg: rgba(255, 255, 255, 0.9);
  --code-bg: #f1f3f8;
  --code-text: #2b303b;
  --badge-neutral-bg: rgba(0, 0, 0, .06);
  --badge-neutral-text: #3a4150;
  --badge-android-text: #17914b;
  --badge-admin-text: #2c4dbb;
  --qr-bg: #ffffff;
  --radius: 12px;
  --shadow: 0 6px 24px rgba(15, 20, 40, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1115;
    --surface: #171a21;
    --surface-2: #1e222b;
    --border: #2a2f3a;
    --text: #e7e9ee;
    --text-dim: #9aa2b1;
    --primary: #4f7cff;
    --primary-dark: #3a63e0;
    --success: #2ecc71;
    --danger: #ff5c5c;
    --warning: #f5a623;
    --nav-bg: rgba(20, 23, 30, 0.9);
    --code-bg: #0b0d11;
    --code-text: #cdd3df;
    --badge-neutral-bg: rgba(255, 255, 255, .1);
    --badge-neutral-text: #e7e9ee;
    --badge-android-text: #6fe0a0;
    --badge-admin-text: #9db6ff;
    --qr-bg: #ffffff;
    --shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
  }
}

:root[data-theme="dark"] {
  --bg: #0f1115;
  --surface: #171a21;
  --surface-2: #1e222b;
  --border: #2a2f3a;
  --text: #e7e9ee;
  --text-dim: #9aa2b1;
  --primary: #4f7cff;
  --primary-dark: #3a63e0;
  --success: #2ecc71;
  --danger: #ff5c5c;
  --warning: #f5a623;
  --nav-bg: rgba(20, 23, 30, 0.9);
  --code-bg: #0b0d11;
  --code-text: #cdd3df;
  --badge-neutral-bg: rgba(255, 255, 255, .1);
  --badge-neutral-text: #e7e9ee;
  --badge-android-text: #6fe0a0;
  --badge-admin-text: #9db6ff;
  --qr-bg: #ffffff;
  --shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Navbar */
.navbar {
  background: var(--nav-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 20px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}
.brand:hover { text-decoration: none; }
.brand-mark { color: var(--primary); }
.nav-links { display: flex; align-items: center; gap: 18px; }
.nav-links a { color: var(--text-dim); font-size: 15px; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-user { color: var(--text); font-weight: 600; font-size: 14px; }

/* Layout */
.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 32px 20px;
  width: 100%;
  flex: 1;
}
.footer {
  text-align: center;
  color: var(--text-dim);
  font-size: 13px;
  padding: 24px;
  border-top: 1px solid var(--border);
}

/* Inline notices (used inside pages, e.g. collaborator banner) */
.flash {
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-size: 14px;
}
.flash-success { background: rgba(46,204,113,.12); border-color: rgba(46,204,113,.4); }
.flash-danger  { background: rgba(255,92,92,.12);  border-color: rgba(255,92,92,.4); }
.flash-warning { background: rgba(245,166,35,.12);  border-color: rgba(245,166,35,.4); }
.flash-info    { background: rgba(79,124,255,.12);  border-color: rgba(79,124,255,.4); }

/* Floating toast notifications (top-right, auto-dismiss) */
.toast-container {
  position: fixed;
  top: 74px;
  right: 20px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: min(360px, calc(100vw - 40px));
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  cursor: pointer;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateX(24px);
  transition: opacity .25s ease, transform .25s ease;
}
.toast.show { opacity: 1; transform: translateX(0); }
.toast-success { border-left: 4px solid var(--success); }
.toast-danger  { border-left: 4px solid var(--danger); }
.toast-warning { border-left: 4px solid var(--warning); }
.toast-info    { border-left: 4px solid var(--primary); }
@media (max-width: 560px) {
  .toast-container { left: 12px; right: 12px; max-width: none; }
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.card + .card { margin-top: 20px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s ease;
  background: var(--surface-2);
  color: var(--text);
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text-dim); }
.btn-ghost:hover { color: var(--text); border-color: var(--text-dim); }
.btn-danger { background: transparent; border-color: rgba(255,92,92,.5); color: var(--danger); }
.btn-danger:hover { background: rgba(255,92,92,.12); }
.btn-block { width: 100%; }
.btn-lg { padding: 14px 22px; font-size: 16px; }

/* Forms */
.form-group { margin-bottom: 18px; }
label { display: block; margin-bottom: 6px; font-size: 14px; color: var(--text-dim); }
input[type=text], input[type=email], input[type=password], textarea, select {
  width: 100%;
  padding: 11px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary);
}
textarea { resize: vertical; min-height: 80px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: auto; }
.checkbox-row label { margin: 0; }

/* Auth pages */
.auth-wrap { max-width: 420px; margin: 40px auto; }
.auth-wrap h1 { margin: 0 0 6px; font-size: 26px; }
.auth-sub { color: var(--text-dim); margin: 0 0 24px; font-size: 14px; }
.auth-switch { text-align: center; margin-top: 18px; color: var(--text-dim); font-size: 14px; }

/* Page heading */
.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
  flex-wrap: wrap;
}
.page-head h1 { margin: 0; font-size: 24px; }
.muted { color: var(--text-dim); }

/* Stats */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.stat-num { font-size: 28px; font-weight: 700; }
.stat-label { color: var(--text-dim); font-size: 13px; }

/* App grid */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.app-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  gap: 14px;
  transition: border-color .15s ease, transform .15s ease;
}
.app-card:hover { border-color: var(--primary); transform: translateY(-2px); text-decoration: none; }
.app-icon {
  width: 56px; height: 56px;
  border-radius: 13px;
  object-fit: cover;
  background: var(--surface-2);
  flex-shrink: 0;
}
.app-icon-lg { width: 88px; height: 88px; border-radius: 20px; }
.app-meta { min-width: 0; flex: 1; }
.app-name {
  font-weight: 700; font-size: 16px; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.app-sub { color: var(--text-dim); font-size: 13px; }

/* Platform badge */
.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.badge-ios { background: var(--badge-neutral-bg); color: var(--badge-neutral-text); }
.badge-android { background: rgba(60,200,120,.15); color: var(--badge-android-text); }
.badge-admin { background: rgba(79,124,255,.18); color: var(--badge-admin-text); }
.badge-off { background: rgba(255,92,92,.15); color: var(--danger); }

/* Table */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.table th, .table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}
.table th { color: var(--text-dim); font-weight: 600; }
.table tr:hover td { background: var(--surface-2); }
.table .actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* Empty state */
.empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
}
.empty-icon { font-size: 48px; opacity: .4; }

/* Install landing */
.install-page {
  max-width: 440px;
  margin: 20px auto;
  text-align: center;
}
.install-hero { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.install-title { font-size: 24px; font-weight: 700; margin: 0; }
.install-info { color: var(--text-dim); font-size: 14px; }
.qr-box {
  background: var(--qr-bg);
  padding: 12px;
  border-radius: var(--radius);
  display: inline-block;
  margin: 16px 0;
}
.qr-box img { display: block; width: 200px; height: 200px; }

/* Info list */
.info-list { display: grid; gap: 8px; margin: 16px 0; }
.info-row { display: flex; justify-content: space-between; font-size: 14px; gap: 12px; }
.info-row .k { color: var(--text-dim); }
.info-row .v { color: var(--text); text-align: right; word-break: break-all; }

.link-field {
  display: flex; gap: 8px; margin-top: 6px;
}
.link-field input { font-size: 13px; font-family: monospace; }

.upload-drop {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}
.upload-drop:hover, .upload-drop.drag { border-color: var(--primary); background: var(--surface-2); }
.upload-drop .big { font-size: 40px; opacity: .5; }
.filename { margin-top: 12px; font-size: 14px; color: var(--text); }

.tabs { display: flex; gap: 8px; margin-bottom: 20px; }
.tabs a {
  padding: 8px 16px; border-radius: 8px; font-size: 14px;
  background: var(--surface); border: 1px solid var(--border); color: var(--text-dim);
}
.tabs a.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.tabs a:hover { text-decoration: none; color: var(--text); }

/* Charts */
.bar-chart { width: 100%; height: auto; display: block; }
.bar-chart .bar { fill: var(--primary); transition: fill .15s ease; }
.bar-chart .bar:hover { fill: #7a9bff; }
.bar-chart .grid { stroke: var(--border); stroke-width: 1; }
.bar-chart .axis-x, .bar-chart .axis-y { fill: var(--text-dim); font-size: 10px; }
.bar-chart .axis-y { text-anchor: end; }
.chart-empty { color: var(--text-dim); text-align: center; padding: 30px; font-size: 14px; }

/* Version list */
.version-list { display: grid; gap: 10px; }
.version-item {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 14px; border: 1px solid var(--border);
  border-radius: 10px; background: var(--surface-2);
}
.version-item.current { border-color: var(--primary); }
.version-main { flex: 1; min-width: 0; }
.version-tag {
  font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 20px;
  background: var(--primary); color: #fff;
}
.version-badge-latest { background: rgba(46,204,113,.18); color: #6fe0a0; }

/* Code / token box */
.code-box {
  background: var(--code-bg); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px 16px; font-family: monospace; font-size: 13px;
  color: var(--code-text); overflow-x: auto; white-space: pre; line-height: 1.5;
}
.token-field {
  display: flex; gap: 8px; align-items: center;
  font-family: monospace; font-size: 13px;
}
.token-field code {
  flex: 1; background: var(--code-bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 12px; overflow-x: auto; white-space: nowrap;
}

/* Blocked / password page */
.gate { max-width: 400px; margin: 40px auto; text-align: center; }
.gate .lock { font-size: 44px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .two-col { grid-template-columns: 1fr; } }
.pill {
  display:inline-block; padding:2px 9px; border-radius:20px; font-size:12px;
  background: rgba(245,166,35,.15); color: var(--warning);
}

/* "Open in Safari" guide overlay for in-app browsers (WeChat / QQ) */
.safari-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 2000;
  color: #fff;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}
.safari-arrow {
  font-size: 44px;
  line-height: 1;
  margin: 4px 12px 0 0;
  transform: rotate(-45deg);
  animation: safari-bounce 1s ease-in-out infinite;
}
@keyframes safari-bounce {
  0%, 100% { transform: rotate(-45deg) translateY(0); }
  50% { transform: rotate(-45deg) translateY(-8px); }
}
.safari-tip {
  align-self: center;
  margin-top: 12vh;
  text-align: center;
  line-height: 1.7;
  max-width: 320px;
}

/* Centered modal (post-tap iOS install guide) */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  max-width: 360px;
  width: 100%;
  text-align: left;
}

/* Search bar above paginated listings */
.search-bar {
  display: flex; gap: 8px; align-items: center; margin-bottom: 16px;
}
.search-bar input[type="text"] {
  flex: 1; max-width: 360px; padding: 8px 12px;
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px;
}

/* Pagination */
.pager {
  display: flex; gap: 12px; align-items: center; justify-content: center;
  margin: 18px 0 4px; flex-wrap: wrap;
}
.pager .disabled { opacity: .45; pointer-events: none; }

/* Theme toggle in the navbar */
.theme-toggle {
  background: transparent; border: 1px solid var(--border);
  color: var(--text-dim); border-radius: 8px;
  width: 32px; height: 32px; line-height: 1; font-size: 15px;
  cursor: pointer;
}
.theme-toggle:hover { color: var(--text); border-color: var(--text-dim); }
