/* OkiGuard 共用樣式：色彩變數、版型骨架（header/footer/按鈕）
   各頁面（index.html / login.html / terms.html / privacy.html）都會載入這份檔案，
   頁面各自的內容樣式則寫在各自檔案的 <style> 裡，避免重複。 */
:root{
  --glow: #22D3EE;
  --glow-soft: rgba(34,211,238,0.14);
  --bg: #0A1626;
  --bg-alt: #0E2038;
  --glass: rgba(255,255,255,0.045);
  --glass-strong: rgba(255,255,255,0.07);
  --glass-border: rgba(255,255,255,0.11);
  --text: #F5F7FA;
  --text-body: rgba(245,247,250,0.68);
  --text-mute: rgba(245,247,250,0.45);
  --good: #86EFAC;
  --warn: #FDE047;
  --bad: #FCA5A5;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{ scroll-behavior:smooth; }
body{
  font-family: -apple-system, BlinkMacSystemFont, "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  color: var(--text-body);
  line-height: 1.6;
  min-height:100vh;
  background:
    radial-gradient(circle at 15% 8%, rgba(34,211,238,0.10), transparent 38%),
    radial-gradient(circle at 88% 28%, rgba(34,211,238,0.08), transparent 42%),
    radial-gradient(circle at 20% 70%, rgba(34,211,238,0.06), transparent 40%),
    radial-gradient(circle at 90% 88%, rgba(34,211,238,0.08), transparent 42%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 50%, var(--bg) 100%);
  background-attachment: fixed;
}
a{ text-decoration:none; color:inherit; }
img{ display:block; max-width:100%; }
.container{ max-width: 1120px; margin: 0 auto; padding: 0 24px; }
section{ padding: 88px 0; position:relative; }
h1,h2,h3{ font-weight: 800; color: var(--text); letter-spacing: -0.02em; }
h2{ font-size: 32px; margin-bottom: 14px; }
h3{ font-size: 18px; margin-bottom: 8px; color: var(--text); }
p{ color: var(--text-body); }
.eyebrow{
  display:inline-block; font-size:13px; font-weight:700; letter-spacing:0.06em;
  color: var(--glow); background: var(--glow-soft);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 18px;
}
.section-head{ max-width:640px; margin-bottom:12px; }
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 13px 26px; border-radius: 999px; font-weight:700; font-size:15px;
  cursor:pointer; border: 1.5px solid transparent; transition: all .15s ease;
}
.btn-primary{ background: var(--glow); color:#062430; box-shadow: 0 0 0 1px rgba(34,211,238,0.35), 0 14px 32px -10px rgba(34,211,238,0.55); }
.btn-primary:hover{ background:#67E3F4; transform: translateY(-1px); }
.btn-outline{ background: transparent; color: var(--text); border-color: rgba(255,255,255,0.28); }
.btn-outline:hover{ background: rgba(255,255,255,0.06); }

/* Header: floating pill nav */
header{ position: sticky; top: 16px; z-index: 50; padding: 0 24px; }
.nav-shell{
  max-width: 1120px; margin: 0 auto;
  display:flex; align-items:center; justify-content:space-between;
  background: rgba(10,22,38,0.72); backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border); border-radius: 999px;
  padding: 10px 12px 10px 22px;
  box-shadow: 0 12px 32px -16px rgba(0,0,0,0.6);
}
.brand-lockup{ display:flex; align-items:baseline; gap:8px; }
.brand-lockup .product-tag{ font-size:11px; font-weight:700; letter-spacing:0.08em; color: var(--glow); text-transform:uppercase; }
.nav-links{ display:flex; gap:30px; align-items:center; }
.nav-links a{ font-size:14px; font-weight:600; color: var(--text-body); }
.nav-links a:hover{ color: var(--text); }
.nav-cta{ display:flex; gap:10px; align-items:center; }
.nav-cta .btn{ padding: 9px 18px; font-size:13px; }

.reveal{ opacity:0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in-view{ opacity:1; transform:none; }

/* Footer */
footer{ border-top:1px solid var(--glass-border); padding: 48px 0; }
.footer-top{ display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:32px; padding-bottom:32px; margin-bottom:24px; border-bottom:1px solid var(--glass-border); }
.footer-tagline{ font-size:13px; color: var(--text-mute); max-width:280px; margin-top:12px; }
.footer-cols{ display:flex; gap:56px; flex-wrap:wrap; }
.footer-col h4{ font-size:12px; font-weight:800; color: var(--text); text-transform:uppercase; letter-spacing:0.06em; margin-bottom:14px; }
.footer-col a{ display:block; font-size:13px; color: var(--text-mute); margin-bottom:10px; }
.footer-col a:hover{ color: var(--glow); }
.footer-row{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px; }
.footer-links{ display:flex; gap:24px; }
.footer-links a{ font-size:13px; color: var(--text-mute); }
.footer-note{ font-size:12px; color: rgba(245,247,250,0.3); margin-top:20px; }

@media (max-width: 860px){
  .nav-links{ display:none; }
  .footer-top{ flex-direction:column; }
}

/* ============================================================
   App Shell：登入後會員端共用側邊欄／頂欄骨架
   供 app-check.html / app-monitoring.html / app-billing.html 共用
   ============================================================ */
.app-shell{ display:flex; min-height:100vh; }
.app-sidebar{
  width:224px; flex-shrink:0; background: rgba(10,22,38,0.6); backdrop-filter: blur(14px);
  border-right:1px solid var(--glass-border); padding:20px 14px; display:flex; flex-direction:column;
  position:sticky; top:0; height:100vh;
}
.app-sidebar .brand-lockup{ display:flex; align-items:center; gap:8px; padding:6px 8px 24px; }
.app-nav{ display:flex; flex-direction:column; gap:2px; }
.app-nav a{
  display:flex; align-items:center; gap:10px; padding:10px 12px; border-radius:10px;
  font-size:14px; font-weight:600; color: var(--text-body);
}
.app-nav a:hover{ background: var(--glass); color: var(--text); }
.app-nav a.active{ background: var(--glow-soft); color: var(--glow); }
.app-nav a svg{ flex-shrink:0; }
.nav-badge{
  margin-left:auto; font-size:10px; font-weight:700; color: var(--text-mute);
  background: rgba(255,255,255,0.06); padding:2px 7px; border-radius:6px; letter-spacing:0.02em;
}
.app-sidebar-foot{ margin-top:auto; padding-top:16px; border-top:1px solid var(--glass-border); }
.app-sidebar-foot a{ display:flex; align-items:center; gap:8px; font-size:13px; color: var(--text-mute); padding:8px 12px; }
.app-sidebar-foot a:hover{ color: var(--bad); }

.app-main{ flex:1; min-width:0; }
.app-topbar{
  display:flex; align-items:center; justify-content:space-between;
  padding:20px 32px; border-bottom:1px solid var(--glass-border);
}
.app-topbar h1{ font-size:22px; }
.app-topbar-right{ display:flex; align-items:center; gap:12px; }
.credit-pill{
  display:flex; align-items:center; gap:6px; background: var(--glow-soft); color: var(--glow);
  font-size:13px; font-weight:700; padding:8px 14px; border-radius:999px;
}
.avatar-badge{
  width:32px; height:32px; border-radius:50%; background: var(--glass-strong); border:1px solid var(--glass-border);
  display:flex; align-items:center; justify-content:center; font-size:12px; font-weight:700; color: var(--text);
  text-decoration:none; cursor:pointer;
}
.avatar-badge:hover{ border-color: var(--glow); color: var(--text); }
.app-body{ padding:28px 32px 60px; }
.app-banner{
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  background: rgba(253,224,71,0.08); border:1px solid rgba(253,224,71,0.3); border-radius:14px;
  padding:16px 20px; margin-bottom:22px; font-size:13px; color: rgba(245,247,250,0.85);
}
.app-card{
  background: var(--glass); border:1px solid var(--glass-border); border-radius:16px;
  padding:24px; margin-bottom:20px;
}
.app-card h2{ font-size:16px; margin-bottom:16px; }
.app-tabs{ display:flex; gap:4px; border-bottom:1px solid var(--glass-border); margin-bottom:22px; }
.app-tabs button{
  background:none; border:none; cursor:pointer; padding:10px 4px; margin-right:24px;
  font-size:14px; font-weight:600; color: var(--text-mute); border-bottom:2px solid transparent;
  font-family:inherit;
}
.app-tabs button.active{ color: var(--glow); border-bottom-color: var(--glow); }
[data-panel]{ display:none; }
[data-panel].active{ display:block; }
.app-table{ width:100%; border-collapse:collapse; font-size:13px; }
.app-table th{ text-align:left; padding:10px 12px; color: var(--text-mute); font-weight:600; border-bottom:1px solid var(--glass-border); }
.app-table td{ padding:12px; border-bottom:1px solid var(--glass-border); color: var(--text-body); }
.app-table tr:last-child td{ border-bottom:none; }
.risk-pill{ display:inline-block; padding:3px 10px; border-radius:999px; font-size:12px; font-weight:700; }
.risk-low{ background: rgba(134,239,172,0.14); color: var(--good); }
.risk-medium{ background: rgba(253,224,71,0.14); color: var(--warn); }
.risk-high{ background: rgba(252,165,165,0.14); color: var(--bad); }
.risk-severe{ background: var(--bad); color:#4A1313; }
@media (max-width: 900px){
  .app-sidebar{ display:none; }
  .app-topbar, .app-body{ padding-left:20px; padding-right:20px; }
}

/* Topbar dropdowns: 說明選單 / 大頭貼選單 */
.dropdown{ position:relative; }
.dropdown-panel{
  position:absolute; top:calc(100% + 10px); right:0; min-width:210px;
  background: var(--glass-strong); backdrop-filter: blur(14px); border:1px solid var(--glass-border);
  border-radius:12px; padding:6px; box-shadow: 0 16px 36px -14px rgba(0,0,0,0.6);
  display:none; z-index:60;
}
.dropdown.open .dropdown-panel{ display:block; }
.dropdown-panel a{
  display:flex; align-items:center; gap:10px; padding:9px 12px; border-radius:8px;
  font-size:13px; font-weight:500; color: var(--text-body);
}
.dropdown-panel a:hover{ background: var(--glass); color: var(--text); }
.dropdown-panel a svg{ flex-shrink:0; opacity:0.8; }
.dropdown-panel a.disabled{ color: var(--text-mute); cursor:default; }
.dropdown-panel a.disabled:hover{ background:none; }
.dropdown-panel a[data-lang]{ justify-content:space-between; }
.dropdown-panel a.active-lang{ color: var(--glow); font-weight:700; }
.dropdown-panel a[data-lang] .lang-check{ opacity:0; color: var(--glow); font-weight:800; }
.dropdown-panel a.active-lang .lang-check{ opacity:1; }
.dropdown-panel a.disabled .soon-tag{
  font-size:10px; font-weight:700; color: var(--text-mute); background: var(--glass); padding:1px 7px; border-radius:999px;
}
.help-btn{
  width:32px; height:32px; border-radius:50%; background: var(--glass-strong); border:1px solid var(--glass-border);
  display:flex; align-items:center; justify-content:center; color: var(--text-body); cursor:pointer;
}
.help-btn:hover{ color: var(--text); border-color: var(--glow); }
.lang-toggle{
  width:32px; height:32px; border-radius:50%; background: var(--glass-strong); border:1px solid var(--glass-border);
  display:flex; align-items:center; justify-content:center; color: var(--text-body); cursor:pointer;
  font-size:11px; font-weight:700; font-family:inherit;
}
.lang-toggle:hover{ color: var(--text); border-color: var(--glow); }

/* Toggle switch（示範用，無實際狀態儲存） */
.toggle{
  width:40px; height:22px; border-radius:999px; background: var(--glass-strong);
  border:1px solid var(--glass-border); position:relative; cursor:pointer; flex-shrink:0;
}
.toggle::after{
  content:""; width:16px; height:16px; border-radius:50%; background: var(--text-mute);
  position:absolute; top:2px; left:2px; transition: left .15s ease, background .15s ease;
}
.toggle.on{ background: var(--glow-soft); border-color: var(--glow); }
.toggle.on::after{ background: var(--glow); left:20px; }

/* Settings row（帳戶設定頁常用列） */
.setting-row{
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:16px 0; border-bottom:1px solid var(--glass-border);
}
.setting-row:last-child{ border-bottom:none; }
.setting-row .setting-label{ font-size:14px; font-weight:600; color: var(--text); margin-bottom:4px; }
.setting-row .setting-desc{ font-size:12px; color: var(--text-mute); max-width:420px; }
.status-badge{ display:inline-block; font-size:11px; font-weight:700; padding:3px 10px; border-radius:999px; }
.status-badge.off{ background: var(--glass); color: var(--text-mute); }
.status-badge.on{ background: rgba(134,239,172,0.14); color: var(--good); }