/* ===========================
   KUSANAGI SITE - style.css
   =========================== */

/* ---------- CSS Variables ---------- */
:root {
  --color-bg: #0a0e1a;
  --color-bg-card: #111827;
  --color-bg-card2: #1a2236;
  --color-border: #1e2d45;
  --color-accent: #00c8ff;
  --color-accent2: #0077cc;
  --color-accent-glow: rgba(0, 200, 255, 0.18);
  --color-text: #e2e8f0;
  --color-text-muted: #8899aa;
  --color-danger: #ff4d6d;
  --color-success: #00e5a0;
  --color-warning: #ffb347;
  --font-sans: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Meiryo', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius: 12px;
  --radius-sm: 6px;
  --shadow-card: 0 4px 32px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 24px rgba(0, 200, 255, 0.22);
  --transition: 0.22s cubic-bezier(.4,0,.2,1);
  --header-height: 64px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
}
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: #fff; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: var(--font-sans); }
input, textarea, select { font-family: var(--font-sans); }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-accent2); }

/* ---------- Skip Link (Accessibility) ---------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--color-accent);
  color: #000;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  z-index: 9999;
  transition: top var(--transition);
}
.skip-link:focus { top: 16px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(10, 14, 26, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
}
.header-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.site-logo svg { color: var(--color-accent); }
.site-logo span { color: var(--color-accent); }
.header-nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.header-nav a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}
.header-nav a:hover, .header-nav a.active {
  background: var(--color-bg-card2);
  color: var(--color-accent);
}
.header-nav a svg { flex-shrink: 0; }
.header-auth { display: flex; align-items: center; gap: 8px; margin-left: 8px; }
.btn-login {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 16px;
  border-radius: var(--radius-sm);
  background: var(--color-accent2);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 600;
  border: none;
  transition: background var(--transition), box-shadow var(--transition);
}
.btn-login:hover { background: var(--color-accent); box-shadow: var(--shadow-glow); color: #000; }
.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--color-accent);
  object-fit: cover;
  cursor: pointer;
}
.header-hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.header-hamburger:hover { background: var(--color-bg-card2); }

/* ---------- Mobile Nav ---------- */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0; right: 0;
  background: rgba(10, 14, 26, 0.97);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 24px 24px;
  z-index: 99;
  flex-direction: column;
  gap: 4px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
}
.mobile-nav a:hover { background: var(--color-bg-card2); color: var(--color-accent); }

/* ---------- Main Layout ---------- */
.main-content { min-height: calc(100vh - var(--header-height) - 200px); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 760px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }

/* ---------- Section Heading ---------- */
.section-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
}
.section-heading svg { color: var(--color-accent); flex-shrink: 0; }
.section-heading h2 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--color-text);
}
.section-heading h2 span { color: var(--color-accent); }
.section-divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
  border-radius: 2px;
  margin-top: 8px;
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 100px 0 80px;
  background: linear-gradient(135deg, #0a0e1a 0%, #0d1b2e 60%, #0a1628 100%);
}
.hero::before {
  content: '';
  position: absolute;
  top: -120px; left: 50%;
  transform: translateX(-50%);
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(0,200,255,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 14px;
  border-radius: 100px;
  background: rgba(0,200,255,0.1);
  border: 1px solid rgba(0,200,255,0.3);
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}
.hero-title .accent { color: var(--color-accent); }
.hero-subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}
.hero-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 100px;
  background: var(--color-bg-card2);
  border: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
.hero-tag svg { color: var(--color-accent); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-card-stack {
  position: relative;
  width: 320px;
  height: 220px;
}
.hero-stat-card {
  position: absolute;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow-card);
}
.hero-stat-card:nth-child(1) { top: 0; left: 0; width: 200px; }
.hero-stat-card:nth-child(2) { top: 60px; right: 0; width: 180px; }
.hero-stat-card:nth-child(3) { bottom: 0; left: 30px; width: 200px; }
.hero-stat-label { font-size: 0.72rem; color: var(--color-text-muted); margin-bottom: 4px; display: flex; align-items: center; gap: 5px; }
.hero-stat-value { font-size: 1.3rem; font-weight: 800; color: var(--color-text); }
.hero-stat-value.danger { color: var(--color-danger); }
.hero-stat-value.success { color: var(--color-success); }
.hero-stat-value.warning { color: var(--color-warning); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-accent2), var(--color-accent));
  color: #000;
  box-shadow: 0 2px 16px rgba(0,200,255,0.25);
}
.btn-primary:hover { box-shadow: 0 4px 28px rgba(0,200,255,0.45); transform: translateY(-1px); color: #000; }
.btn-secondary {
  background: var(--color-bg-card2);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover { border-color: var(--color-accent); color: var(--color-accent); background: var(--color-bg-card); }
.btn-danger { background: var(--color-danger); color: #fff; }
.btn-danger:hover { background: #e0003a; }
.btn-success { background: var(--color-success); color: #000; }
.btn-success:hover { background: #00c48a; }
.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}
.btn-outline:hover { background: var(--color-accent); color: #000; }
.btn-sm { padding: 6px 14px; font-size: 0.82rem; }
.btn-lg { padding: 13px 28px; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

/* ---------- Cards ---------- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.card:hover { border-color: rgba(0,200,255,0.3); box-shadow: var(--shadow-glow); }
.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}
.card-title { font-size: 1rem; font-weight: 700; color: var(--color-text); }
.card-body { color: var(--color-text-muted); font-size: 0.9rem; }

/* ---------- Service Cards ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.service-card:hover {
  border-color: rgba(0,200,255,0.4);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}
.service-img-wrap {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--color-border);
  background: var(--color-bg-card2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition);
}
.service-card:hover .service-img-wrap { border-color: var(--color-accent); }
.service-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.service-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}
.service-name { font-size: 1.05rem; font-weight: 700; color: var(--color-text); }

/* ---------- Announce List ---------- */
.announce-list { display: flex; flex-direction: column; gap: 12px; }
.announce-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  text-decoration: none;
  color: var(--color-text);
}
.announce-item:hover {
  border-color: rgba(0,200,255,0.3);
  background: var(--color-bg-card2);
  color: var(--color-text);
}
.announce-date { font-size: 0.78rem; color: var(--color-text-muted); white-space: nowrap; font-family: var(--font-mono); padding-top: 2px; }
.announce-content { flex: 1; }
.announce-title { font-size: 0.95rem; font-weight: 600; margin-bottom: 4px; }
.announce-excerpt { font-size: 0.82rem; color: var(--color-text-muted); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.announce-arrow { color: var(--color-text-muted); flex-shrink: 0; padding-top: 2px; transition: color var(--transition), transform var(--transition); }
.announce-item:hover .announce-arrow { color: var(--color-accent); transform: translateX(3px); }

/* ---------- Earthquake / Tsunami List ---------- */
.eq-list { display: flex; flex-direction: column; gap: 10px; }
.eq-item {
  display: grid;
  grid-template-columns: 160px 1fr auto auto;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
}
.eq-item:hover { border-color: rgba(0,200,255,0.3); }
.eq-time { font-size: 0.8rem; color: var(--color-text-muted); font-family: var(--font-mono); }
.eq-place { font-size: 0.92rem; font-weight: 600; }
.eq-mag {
  font-size: 1.1rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--color-warning);
  text-align: right;
}
.eq-intensity {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 800;
  font-family: var(--font-mono);
}
.intensity-1 { background: #1a3a6e; color: #7ab8ff; }
.intensity-2 { background: #1a4e2e; color: #7affb8; }
.intensity-3 { background: #4e4a1a; color: #ffe07a; }
.intensity-4 { background: #4e2e1a; color: #ffb07a; }
.intensity-5l { background: #6e1a1a; color: #ff7a7a; }
.intensity-5u { background: #7a1a2e; color: #ff7aaa; }
.intensity-6l { background: #8a1a1a; color: #ff4444; }
.intensity-6u { background: #9a0a0a; color: #ff2222; }
.intensity-7 { background: #aa0000; color: #fff; }

/* ---------- Pagination ---------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 32px;
}
.page-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all var(--transition);
  text-decoration: none;
}
.page-btn:hover, .page-btn.active {
  background: var(--color-accent2);
  border-color: var(--color-accent2);
  color: #fff;
}
.page-btn.active { pointer-events: none; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 20px; }
.form-label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}
.form-label svg { color: var(--color-accent); }
.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--color-bg-card2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.92rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0,200,255,0.12);
}
.form-control::placeholder { color: var(--color-text-muted); opacity: 0.6; }
textarea.form-control { resize: vertical; min-height: 120px; }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238899aa' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}
.form-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-accent);
  margin-top: 2px;
  flex-shrink: 0;
}
.form-check a { color: var(--color-accent); }
.form-error { font-size: 0.8rem; color: var(--color-danger); margin-top: 5px; display: flex; align-items: center; gap: 5px; }

/* ---------- Alert / Notice ---------- */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  margin-bottom: 20px;
}
.alert svg { flex-shrink: 0; margin-top: 1px; }
.alert-danger { background: rgba(255,77,109,0.12); border: 1px solid rgba(255,77,109,0.35); color: #ff9eb5; }
.alert-danger svg { color: var(--color-danger); }
.alert-success { background: rgba(0,229,160,0.1); border: 1px solid rgba(0,229,160,0.3); color: #7affd6; }
.alert-success svg { color: var(--color-success); }
.alert-warning { background: rgba(255,179,71,0.1); border: 1px solid rgba(255,179,71,0.3); color: #ffd4a0; }
.alert-warning svg { color: var(--color-warning); }
.alert-info { background: rgba(0,200,255,0.08); border: 1px solid rgba(0,200,255,0.25); color: #9ee8ff; }
.alert-info svg { color: var(--color-accent); }

/* ---------- Badge ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 9px;
  border-radius: 100px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.badge-accent { background: rgba(0,200,255,0.15); color: var(--color-accent); border: 1px solid rgba(0,200,255,0.3); }
.badge-danger { background: rgba(255,77,109,0.15); color: var(--color-danger); border: 1px solid rgba(255,77,109,0.3); }
.badge-success { background: rgba(0,229,160,0.12); color: var(--color-success); border: 1px solid rgba(0,229,160,0.3); }
.badge-warning { background: rgba(255,179,71,0.12); color: var(--color-warning); border: 1px solid rgba(255,179,71,0.3); }
.badge-muted { background: var(--color-bg-card2); color: var(--color-text-muted); border: 1px solid var(--color-border); }

/* ---------- Status Badge ---------- */
.status-open { background: rgba(0,229,160,0.12); color: var(--color-success); border: 1px solid rgba(0,229,160,0.3); }
.status-pending { background: rgba(255,179,71,0.12); color: var(--color-warning); border: 1px solid rgba(255,179,71,0.3); }
.status-closed { background: var(--color-bg-card2); color: var(--color-text-muted); border: 1px solid var(--color-border); }

/* ---------- Login Page ---------- */
.login-page {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
}
.login-box {
  width: 100%;
  max-width: 440px;
}
.login-title {
  text-align: center;
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 8px;
}
.login-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  margin-bottom: 32px;
}
.login-providers { display: flex; flex-direction: column; gap: 12px; }
.btn-line {
  background: #06c755;
  color: #fff;
  border: none;
}
.btn-line:hover { background: #05b34a; color: #fff; }
.btn-discord {
  background: #5865f2;
  color: #fff;
  border: none;
}
.btn-discord:hover { background: #4752d4; color: #fff; }
.login-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  color: var(--color-text-muted);
  font-size: 0.82rem;
}
.login-divider::before, .login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* ---------- Ticket Chat ---------- */
.ticket-chat {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px 0;
}
.chat-msg {
  display: flex;
  gap: 12px;
  max-width: 72%;
}
.chat-msg.staff { align-self: flex-start; }
.chat-msg.user { align-self: flex-end; flex-direction: row-reverse; }
.chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--color-border);
}
.chat-avatar-placeholder {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-bg-card2);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  flex-shrink: 0;
}
.chat-bubble-wrap { display: flex; flex-direction: column; gap: 4px; }
.chat-sender { font-size: 0.76rem; color: var(--color-text-muted); }
.chat-msg.user .chat-sender { text-align: right; }
.chat-bubble {
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.9rem;
  line-height: 1.65;
  word-break: break-word;
}
.chat-msg.staff .chat-bubble {
  background: var(--color-bg-card2);
  border: 1px solid var(--color-border);
  border-top-left-radius: 4px;
}
.chat-msg.user .chat-bubble {
  background: var(--color-accent2);
  color: #fff;
  border-top-right-radius: 4px;
}
.chat-time { font-size: 0.72rem; color: var(--color-text-muted); }
.chat-msg.user .chat-time { text-align: right; }
.chat-input-area {
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.chat-input-row { display: flex; gap: 10px; align-items: flex-end; }
.chat-input-row .form-control { flex: 1; }

/* ---------- Staff Dashboard ---------- */
.staff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.staff-nav-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 28px 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  text-align: center;
  transition: all var(--transition);
  text-decoration: none;
  color: var(--color-text);
}
.staff-nav-card:hover {
  border-color: rgba(0,200,255,0.4);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
  color: var(--color-text);
}
.staff-nav-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(0,200,255,0.1);
  border: 1px solid rgba(0,200,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}
.staff-nav-label { font-size: 0.92rem; font-weight: 600; }
.staff-nav-count {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-accent);
  font-family: var(--font-mono);
}

/* ---------- Staff Profile List ---------- */
.staff-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.staff-card {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.staff-card:hover { border-color: rgba(0,200,255,0.3); }
.staff-card-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-border);
  flex-shrink: 0;
}
.staff-card-avatar-placeholder {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-bg-card2);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  flex-shrink: 0;
}
.staff-card-info { flex: 1; min-width: 0; }
.staff-card-name { font-size: 0.98rem; font-weight: 700; margin-bottom: 4px; }
.staff-card-role { font-size: 0.78rem; color: var(--color-accent); margin-bottom: 6px; }
.staff-card-bio { font-size: 0.82rem; color: var(--color-text-muted); line-height: 1.55; }

/* ---------- Error Page ---------- */
.error-page {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  text-align: center;
}
.error-code {
  font-size: clamp(4rem, 12vw, 8rem);
  font-weight: 900;
  font-family: var(--font-mono);
  color: var(--color-accent);
  line-height: 1;
  text-shadow: 0 0 40px rgba(0,200,255,0.4);
  margin-bottom: 16px;
}
.error-title { font-size: 1.4rem; font-weight: 700; margin-bottom: 12px; }
.error-desc { color: var(--color-text-muted); margin-bottom: 8px; font-size: 0.92rem; }
.error-meta {
  display: inline-flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  text-align: left;
  margin: 20px auto;
}
.error-meta span { display: flex; align-items: center; gap: 8px; }
.error-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 24px; }

/* ---------- Announce Detail ---------- */
.announce-detail { max-width: 800px; margin: 0 auto; }
.announce-detail-header { margin-bottom: 32px; }
.announce-detail-title { font-size: 1.6rem; font-weight: 800; margin-bottom: 12px; }
.announce-detail-meta { display: flex; align-items: center; gap: 16px; font-size: 0.82rem; color: var(--color-text-muted); }
.announce-detail-body {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--color-text);
}
.announce-detail-body h1, .announce-detail-body h2, .announce-detail-body h3 {
  margin: 24px 0 12px;
  color: var(--color-text);
}
.announce-detail-body p { margin-bottom: 16px; }
.announce-detail-body img { border-radius: var(--radius-sm); margin: 16px 0; }
.announce-detail-body a { color: var(--color-accent); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  padding: 48px 0 24px;
  margin-top: 80px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand { display: flex; flex-direction: column; gap: 12px; }
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-text);
}
.footer-logo svg { color: var(--color-accent); }
.footer-tagline { font-size: 0.82rem; color: var(--color-text-muted); line-height: 1.65; }
.footer-col-title { font-size: 0.82rem; font-weight: 700; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 14px; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--color-accent); }
.footer-links a svg { flex-shrink: 0; }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy { font-size: 0.8rem; color: var(--color-text-muted); }
.footer-legal { display: flex; gap: 16px; }
.footer-legal a { font-size: 0.8rem; color: var(--color-text-muted); }
.footer-legal a:hover { color: var(--color-accent); }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 28px;
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb svg { color: var(--color-border); }

/* ---------- Page Header ---------- */
.page-header {
  padding: 48px 0 32px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 48px;
}
.page-header-inner { display: flex; align-items: flex-start; gap: 16px; }
.page-header-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(0,200,255,0.1);
  border: 1px solid rgba(0,200,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}
.page-header-title { font-size: 1.7rem; font-weight: 800; margin-bottom: 6px; }
.page-header-desc { font-size: 0.9rem; color: var(--color-text-muted); }

/* ---------- Table ---------- */
.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.data-table th {
  text-align: left;
  padding: 10px 14px;
  background: var(--color-bg-card2);
  color: var(--color-text-muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--color-border);
}
.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: middle;
}
.data-table tr:hover td { background: var(--color-bg-card2); }
.data-table tr:last-child td { border-bottom: none; }

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--color-border); margin-bottom: 28px; }
.tab-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 16px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: -1px;
}
.tab-btn:hover { color: var(--color-text); }
.tab-btn.active { color: var(--color-accent); border-bottom-color: var(--color-accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------- Markdown Content ---------- */
.md-content { font-size: 0.92rem; line-height: 1.85; }
.md-content h1 { font-size: 1.5rem; font-weight: 800; margin: 24px 0 12px; }
.md-content h2 { font-size: 1.2rem; font-weight: 700; margin: 20px 0 10px; color: var(--color-accent); }
.md-content h3 { font-size: 1rem; font-weight: 700; margin: 16px 0 8px; }
.md-content p { margin-bottom: 14px; }
.md-content ul, .md-content ol { margin: 12px 0 12px 20px; }
.md-content li { margin-bottom: 6px; }
.md-content code {
  font-family: var(--font-mono);
  background: var(--color-bg-card2);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85em;
  color: var(--color-accent);
}
.md-content pre {
  background: var(--color-bg-card2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 16px;
  overflow-x: auto;
  margin: 16px 0;
}
.md-content blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: 16px;
  color: var(--color-text-muted);
  margin: 16px 0;
}
.md-content a { color: var(--color-accent); }
.md-content img { border-radius: var(--radius-sm); margin: 16px 0; max-width: 100%; }

/* ---------- Editor (Announce) ---------- */
.editor-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 10px;
  background: var(--color-bg-card2);
  border: 1px solid var(--color-border);
  border-bottom: none;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.editor-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 4px;
  background: none;
  border: 1px solid transparent;
  color: var(--color-text-muted);
  transition: all var(--transition);
}
.editor-btn:hover { background: var(--color-bg-card); border-color: var(--color-border); color: var(--color-text); }
.editor-btn.active { background: rgba(0,200,255,0.1); border-color: rgba(0,200,255,0.3); color: var(--color-accent); }
.editor-area {
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  border-top: none;
  min-height: 300px;
}

/* ---------- Loading ---------- */
.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-grid { gap: 32px; }
}

@media (max-width: 768px) {
  :root { --header-height: 56px; }
  .header-nav { display: none; }
  .header-hamburger { display: flex; }
  .hero { padding: 60px 0 48px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .service-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .eq-item { grid-template-columns: 1fr 1fr; grid-template-rows: auto auto; }
  .eq-time { grid-column: 1 / -1; }
  .section { padding: 48px 0; }
  .page-header { padding: 32px 0 24px; margin-bottom: 32px; }
  .staff-grid { grid-template-columns: repeat(2, 1fr); }
  .chat-msg { max-width: 90%; }
}

@media (max-width: 480px) {
  .container, .container-sm { padding: 0 16px; }
  .hero-title { font-size: 1.6rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .staff-grid { grid-template-columns: 1fr; }
  .staff-list { grid-template-columns: 1fr; }
  .eq-item { grid-template-columns: 1fr; }
  .login-box { padding: 0 4px; }
  .error-actions { flex-direction: column; }
  .error-actions .btn { width: 100%; justify-content: center; }
}

/* ---------- Accessibility ---------- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}