/* =========================================================
   芊羽Wing · Apple ID 共享  —  Design System
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

/* ===== Tokens ===== */
:root {
  /* surfaces (dark default) */
  --bg:        #08080b;
  --bg-elev:   #111114;
  --panel:     #16161a;
  --panel-2:   #1c1c22;
  --field:     #202028;
  --border:    rgba(255,255,255,0.09);
  --border-2:  rgba(255,255,255,0.16);
  --hairline:  rgba(255,255,255,0.06);

  /* text */
  --text:      #f4f4f7;
  --text-2:    #a8a8b3;
  --text-3:    #6d6d7a;
  --text-4:    #4a4a55;

  /* brand / accent */
  --accent:    #4f8cff;
  --accent-2:  #7a6cff;
  --accent-ink:#0a0a0f;
  --grad:      linear-gradient(135deg, #4f8cff 0%, #7a6cff 100%);
  --grad-soft: linear-gradient(135deg, rgba(79,140,255,0.18), rgba(122,108,255,0.18));

  /* status */
  --green:  #34d17d;
  --red:    #ff5a52;
  --orange: #ffb23e;
  --blue:   #4f8cff;

  /* effects */
  --glass:     rgba(16,16,20,0.72);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow:    0 10px 30px -12px rgba(0,0,0,0.7);
  --shadow-lg: 0 30px 60px -20px rgba(0,0,0,0.8);
  --ring:      0 0 0 3px rgba(79,140,255,0.32);

  /* geometry */
  --r-sm: 10px;
  --r:    14px;
  --r-lg: 20px;
  --r-xl: 26px;
  --maxw: 1000px;
}

:root.light, body.light {
  --bg:        #f6f7fb;
  --bg-elev:   #ffffff;
  --panel:     #ffffff;
  --panel-2:   #f2f3f7;
  --field:     #f1f2f6;
  --border:    rgba(9,12,30,0.10);
  --border-2:  rgba(9,12,30,0.20);
  --hairline:  rgba(9,12,30,0.07);

  --text:      #14141a;
  --text-2:    #55555f;
  --text-3:    #8a8a95;
  --text-4:    #b3b3bd;

  --accent:    #2f6bff;
  --accent-2:  #6a4dff;
  --grad:      linear-gradient(135deg, #2f6bff 0%, #6a4dff 100%);
  --grad-soft: linear-gradient(135deg, rgba(47,107,255,0.10), rgba(106,77,255,0.10));

  --green:  #12a760;
  --red:    #e5342b;
  --orange: #d07a00;
  --blue:   #2f6bff;

  --glass:     rgba(255,255,255,0.72);
  --shadow-sm: 0 1px 2px rgba(20,22,40,0.06);
  --shadow:    0 12px 30px -14px rgba(30,34,60,0.28);
  --shadow-lg: 0 30px 60px -22px rgba(30,34,60,0.32);
  --ring:      0 0 0 3px rgba(47,107,255,0.20);
}

/* ===== Base ===== */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background 0.3s ease, color 0.3s ease;
}
body.modal-open { overflow: hidden; }

/* Ambient background glow */
.ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(60% 42% at 50% -8%, rgba(122,108,255,0.22), transparent 70%),
    radial-gradient(46% 34% at 85% 8%, rgba(79,140,255,0.16), transparent 72%),
    radial-gradient(40% 32% at 12% 4%, rgba(52,209,125,0.08), transparent 70%);
}
body.light .ambient {
  background:
    radial-gradient(60% 42% at 50% -10%, rgba(106,77,255,0.14), transparent 70%),
    radial-gradient(46% 34% at 85% 6%, rgba(47,107,255,0.12), transparent 72%);
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px 20px 80px;
}

/* ===== Top nav ===== */
.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0 4px;
  margin-bottom: 28px;
}
.nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 500;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s, border-color 0.15s, background 0.15s;
}
.nav-btn:hover { border-color: var(--border-2); transform: translateX(-2px); }
.nav-btn-arrow { transition: transform 0.15s; }
.nav-btn:hover .nav-btn-arrow { transform: translateX(-2px); }

.nav-brand {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.nav-brand-en { font-weight: 700; }

.theme-toggle {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  width: 40px;
  height: 40px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 1.05rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, border-color 0.15s, background 0.15s;
  flex-shrink: 0;
}
.theme-toggle:hover  { border-color: var(--border-2); }
.theme-toggle:active { transform: rotate(-25deg) scale(0.92); }

/* ===== Hero ===== */
.hero {
  text-align: center;
  padding: 18px 0 30px;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-2);
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
}
.hero-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(52,209,125,0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(52,209,125,0.55); }
  70%  { box-shadow: 0 0 0 7px rgba(52,209,125,0); }
  100% { box-shadow: 0 0 0 0 rgba(52,209,125,0); }
}
.hero-title {
  font-size: clamp(2.1rem, 6vw, 3.1rem);
  font-weight: 850;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 12px;
}
.hero-sub {
  font-size: 1rem;
  color: var(--text-2);
  max-width: 460px;
  margin: 0 auto;
}

/* ===== Info panels ===== */
.panels {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 620px;
  margin: 0 auto 30px;
}
.info-panel {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 14px 18px;
  border-radius: var(--r);
  border: 1px solid var(--border);
  background: var(--panel);
  font-size: 0.88rem;
  line-height: 1.55;
  box-shadow: var(--shadow-sm);
}
.info-panel .panel-ic { font-size: 1.15rem; flex-shrink: 0; line-height: 1; }
.info-panel p { color: var(--text-2); }
.info-panel.warn   { border-left: 3px solid var(--orange); }
.info-panel.danger { border-left: 3px solid var(--red); background: color-mix(in srgb, var(--red) 8%, var(--panel)); }
.info-panel.danger p { color: var(--red); font-weight: 600; }
.info-panel.danger strong { color: var(--red); }

.info-panel.cta {
  text-decoration: none;
  cursor: pointer;
  background: var(--grad-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  color: var(--text);
  font-weight: 700;
  transition: transform 0.16s, box-shadow 0.16s, border-color 0.16s;
}
.info-panel.cta .cta-text { flex: 1; color: var(--text); }
.info-panel.cta .cta-arrow { color: var(--accent); font-weight: 800; transition: transform 0.16s; }
.info-panel.cta:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--accent) 60%, transparent); }
.info-panel.cta:hover .cta-arrow { transform: translateX(4px); }

/* ===== Toolbar (sticky glass) ===== */
.toolbar {
  position: sticky;
  top: 12px;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px;
  margin-bottom: 22px;
  border-radius: var(--r-lg);
  background: var(--glass);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
}

.search-wrap { position: relative; display: flex; align-items: center; }
.search-icon {
  position: absolute; left: 15px;
  font-size: 0.92rem; opacity: 0.55; pointer-events: none;
}
.search-input {
  width: 100%;
  background: var(--field);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 999px;
  padding: 12px 42px;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}
.search-input::placeholder { color: var(--text-3); }
.search-input:focus { border-color: var(--accent); box-shadow: var(--ring); }
.search-input::-webkit-search-cancel-button { display: none; }
.search-clear {
  position: absolute; right: 9px;
  width: 27px; height: 27px;
  border: none; border-radius: 50%;
  background: var(--panel-2); color: var(--text-2);
  cursor: pointer; font-size: 0.78rem;
  display: inline-flex; align-items: center; justify-content: center;
  transition: color 0.15s, background 0.15s;
}
.search-clear:hover { color: var(--text); background: var(--border-2); }

/* Chip bars */
.chip-bar { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text-2);
  padding: 6px 13px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
  transition: color 0.15s, border-color 0.15s, background 0.15s, transform 0.1s;
}
.chip:hover  { border-color: var(--border-2); color: var(--text); }
.chip:active { transform: scale(0.96); }
.chip.active {
  background: var(--grad);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 6px 16px -6px rgba(79,140,255,0.6);
}
.chip-count {
  font-size: 0.7rem; font-weight: 800;
  background: var(--panel-2); color: var(--text-2);
  padding: 1px 7px; border-radius: 999px; min-width: 19px; text-align: center;
}
.chip.active .chip-count { background: rgba(255,255,255,0.24); color: #fff; }

/* Meta */
.meta {
  display: flex; align-items: center; flex-wrap: wrap; gap: 6px;
  font-size: 0.82rem; color: var(--text-3);
  padding: 0 4px;
}
.meta-main { color: var(--text-2); }
.meta-dot { opacity: 0.45; }
#count, #shown { color: var(--text); font-weight: 800; }
.btn-refresh {
  margin-left: auto;
  display: inline-flex; align-items: center; gap: 5px;
  background: var(--panel); border: 1px solid var(--border);
  color: var(--accent); padding: 6px 14px; border-radius: 999px;
  cursor: pointer; font-size: 0.82rem; font-weight: 600;
  transition: border-color 0.15s, background 0.15s;
}
.btn-refresh:hover { border-color: var(--accent); }
.btn-refresh:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-refresh.spinning .refresh-ic { display: inline-block; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.error-msg {
  text-align: center; color: var(--red);
  padding: 24px; font-size: 0.92rem;
  background: color-mix(in srgb, var(--red) 8%, var(--panel));
  border: 1px solid color-mix(in srgb, var(--red) 30%, transparent);
  border-radius: var(--r);
}

/* ===== Cards ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  overflow: hidden;
}
/* top accent strip by status */
.card::before {
  content: "";
  position: absolute; inset: 0 0 auto 0;
  height: 3px;
  background: var(--border-2);
  opacity: 0.9;
}
.card.status-normal::before    { background: linear-gradient(90deg, var(--green), color-mix(in srgb, var(--green) 40%, transparent)); }
.card.status-abnormal::before  { background: linear-gradient(90deg, var(--red), color-mix(in srgb, var(--red) 40%, transparent)); }
.card.status-pending::before   { background: linear-gradient(90deg, var(--orange), color-mix(in srgb, var(--orange) 40%, transparent)); }
.card.status-detecting::before { background: linear-gradient(90deg, var(--blue), color-mix(in srgb, var(--blue) 40%, transparent)); }
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-2);
}

.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 15px;
}
.source-label {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.02em;
  color: var(--text-3);
  background: var(--panel-2);
  padding: 3px 10px; border-radius: 999px;
}
.status-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.72rem; font-weight: 700;
  padding: 3px 11px; border-radius: 999px;
}
.status-badge::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor;
}
.status-badge.normal    { color: var(--green);  background: color-mix(in srgb, var(--green) 15%, transparent); }
.status-badge.abnormal  { color: var(--red);    background: color-mix(in srgb, var(--red) 15%, transparent); }
.status-badge.pending   { color: var(--orange); background: color-mix(in srgb, var(--orange) 15%, transparent); }
.status-badge.detecting { color: var(--blue);   background: color-mix(in srgb, var(--blue) 15%, transparent); }
.status-badge.unknown   { color: var(--text-2); background: var(--panel-2); }

.field { margin-bottom: 11px; }
.field-label {
  font-size: 0.68rem; font-weight: 600;
  color: var(--text-3); text-transform: uppercase; letter-spacing: 0.06em;
  margin-bottom: 5px;
}
.field-row { display: flex; align-items: center; gap: 8px; }
.field-value {
  flex: 1; min-width: 0;
  background: var(--field);
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  padding: 9px 12px;
  font-size: 0.9rem;
  font-family: "SF Mono", "JetBrains Mono", "Menlo", monospace;
  color: var(--text);
  word-break: break-all;
}
.btn-copy {
  flex-shrink: 0;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--accent);
  padding: 9px 14px;
  border-radius: var(--r-sm);
  cursor: pointer;
  font-size: 0.8rem; font-weight: 600;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.btn-copy:hover { border-color: var(--accent); }
.btn-copy.copied { color: var(--green); border-color: var(--green); }

.card-footer {
  margin-top: 15px; padding-top: 13px;
  border-top: 1px solid var(--hairline);
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.btn-copy-both {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--grad);
  border: none;
  color: #fff;
  padding: 8px 14px;
  border-radius: var(--r-sm);
  cursor: pointer;
  font-size: 0.79rem; font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 6px 16px -8px rgba(79,140,255,0.7);
  transition: transform 0.14s, box-shadow 0.14s, filter 0.14s;
}
.btn-copy-both:hover  { transform: translateY(-1px); filter: brightness(1.06); }
.btn-copy-both:active { transform: translateY(0); }
.btn-copy-both.copied { background: var(--green); box-shadow: 0 6px 16px -8px rgba(52,209,125,0.7); }
.card-footer-meta {
  display: flex; flex-direction: column; align-items: flex-end; gap: 2px;
  font-size: 0.72rem; color: var(--text-4); text-align: right; min-width: 0;
}
.foot-country { color: var(--text-3); font-weight: 600; }

.empty {
  grid-column: 1 / -1;
  text-align: center; padding: 70px 20px;
  color: var(--text-3); font-size: 0.95rem;
}

/* ===== Skeleton ===== */
.card.skeleton { pointer-events: none; }
.card.skeleton::before { display: none; }
.card.skeleton:hover { transform: none; box-shadow: var(--shadow-sm); border-color: var(--border); }
.sk-line {
  border-radius: 8px;
  background: linear-gradient(90deg, var(--panel-2) 25%, var(--field) 37%, var(--panel-2) 63%);
  background-size: 400% 100%;
  animation: shimmer 1.4s ease infinite;
  margin-bottom: 11px;
}
.sk-head  { height: 22px; width: 42%; }
.sk-label { height: 10px; width: 28%; }
.sk-value { height: 36px; width: 100%; }
.sk-foot  { height: 34px; width: 55%; margin-top: 15px; margin-bottom: 0; }
@keyframes shimmer {
  0%   { background-position: 100% 0; }
  100% { background-position: 0 0; }
}

/* ===== Footer ===== */
.site-footer {
  margin-top: 46px;
  padding-top: 22px;
  border-top: 1px solid var(--hairline);
  display: flex; flex-direction: column; align-items: center; gap: 5px;
  text-align: center;
}
.footer-brand {
  font-weight: 800; font-size: 0.95rem;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.footer-note { font-size: 0.76rem; color: var(--text-4); }

/* ===== Modal ===== */
#modal-overlay {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  padding: 18px; overflow-y: auto;
  background: rgba(4,4,8,0.66);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
#modal-overlay.hidden { display: none; }
.modal-card {
  position: relative;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 30px 26px 24px;
  max-width: 412px; width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg);
  animation: modalPop 0.3s cubic-bezier(0.2, 0.9, 0.25, 1);
}
@keyframes modalPop {
  from { opacity: 0; transform: translateY(14px) scale(0.96); }
  to   { opacity: 1; transform: none; }
}
.modal-icon {
  width: 54px; height: 54px; margin: 0 auto 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; border-radius: 999px;
  background: color-mix(in srgb, var(--red) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--red) 30%, transparent);
}
.modal-title { font-size: 1.35rem; font-weight: 800; color: var(--text); margin-bottom: 16px; letter-spacing: -0.01em; }
.modal-text { font-size: 0.87rem; color: var(--text-2); line-height: 1.7; margin-bottom: 11px; }
.modal-red  { color: var(--red); }
.modal-bold { font-weight: 700; }
.modal-img { width: 100%; height: auto; aspect-ratio: 1034 / 788; object-fit: contain; border-radius: var(--r); display: block; margin: 16px 0 20px; border: 1px solid var(--border); }
.modal-confirm-btn {
  width: 100%; padding: 15px; border: none;
  border-radius: 999px; background: var(--grad); color: #fff;
  font-size: 1rem; font-weight: 700; cursor: pointer;
  box-shadow: 0 12px 26px -10px rgba(79,140,255,0.75);
  transition: transform 0.12s, filter 0.15s;
}
.modal-confirm-btn:hover  { filter: brightness(1.06); }
.modal-confirm-btn:active { transform: scale(0.98); }

/* ===== Responsive ===== */
@media (max-width: 560px) {
  .container { padding: 16px 16px 64px; }
  .cards { grid-template-columns: 1fr; }
  .toolbar { top: 8px; padding: 12px; }
  /* chips single-row horizontal scroll on phones */
  .chip-bar {
    flex-wrap: nowrap; overflow-x: auto;
    margin: 0 -12px; padding: 2px 12px;
    scrollbar-width: none; -webkit-overflow-scrolling: touch;
  }
  .chip-bar::-webkit-scrollbar { display: none; }
  .chip { flex-shrink: 0; }
  .hero { padding: 10px 0 24px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}