:root{
  --bg:#f7f9fc;
  --accent:#1e88e5;
  --muted:#6b7280;
  --card:#ffffff;
  --radius:10px;
  --container:1100px;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial}
body{background:var(--bg);color:#111}
.container{max-width:var(--container);margin:0 auto;padding:24px}
.header-inner{display:flex;align-items:center;justify-content:space-between}
.site-header{position:relative}
.site-seal{position:absolute;top:8px;right:24px;width:80px;max-width:80px;pointer-events:none}
.brand .logo{font-weight:700;font-size:1.125rem}
.brand .tag{font-size:0.85rem;color:var(--muted)}
.nav{position:relative}
.nav-list{list-style:none;margin:0;padding:0;display:flex;gap:16px;align-items:center}
.nav-list a{color:inherit;text-decoration:none;padding:8px 10px;border-radius:6px}
.nav-list a.join-btn{background:var(--accent);color:white}
.nav-toggle{display:none;border:0;background:transparent;font-size:1.25rem}

.hero{background:linear-gradient(135deg,#e3f2fd 0%, #ffffff 60%);padding:64px 0}
.hero-inner{max-width:760px}
.hero h1{margin:0 0 12px;font-size:2rem}
.hero p{margin:0 0 18px;color:var(--muted)}
.btn{display:inline-block;padding:10px 16px;border-radius:8px;text-decoration:none;border:1px solid transparent}
.btn.primary{background:var(--accent);color:#fff}
.btn.ghost{background:transparent;border-color:rgba(0,0,0,0.06)}

.about,.events,.join,.contact{padding:40px 0}
.cards{display:grid;grid-template-columns:repeat(3,minmax(240px,1fr));gap:16px}
.card{background:var(--card);padding:16px;border-radius:var(--radius);box-shadow:0 6px 18px rgba(27,31,35,0.06)}

.form{display:grid;gap:12px;max-width:420px}
.form label{display:block;font-size:0.95rem}
.form input,.form select{width:100%;padding:10px;border-radius:8px;border:1px solid #e6e9ee}
.form-actions{display:flex;gap:8px}
.notice{margin-top:12px;padding:10px;border-radius:8px;background:#e6fffa;border:1px solid #bdebe1;color:#065f46}

/* Hours page */
.hours .members-list{margin-top:18px}
.hours-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--card);padding:16px;border-radius:var(--radius);box-shadow:0 6px 18px rgba(27,31,35,0.06)}
.stat-card h3{margin:0 0 16px;font-size:1.2rem}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.stat-item{margin-bottom:8px}
.stat-item strong{display:block;margin-bottom:4px;font-size:0.9rem;color:var(--muted)}
.leaderboard{list-style:none;padding:0;margin:0}
.leaderboard li{padding:4px 0;border-bottom:1px solid #f0f0f0;font-size:0.9rem}
.leaderboard li:last-child{border-bottom:0}
.members-table{width:100%;border-collapse:collapse}
.members-table th,.members-table td{padding:10px;text-align:left;border-bottom:1px solid #e6e9ee}
.members-table th{font-weight:600}
.members-empty{text-align:center;padding:20px;color:var(--muted)}
.member-row{display:flex;align-items:center;gap:12px;padding:10px;border-radius:8px;background:var(--card);border:1px solid rgba(0,0,0,0.04);margin-bottom:10px}
.member-info{flex:1}
.member-name{font-weight:600}
.member-hours{color:var(--muted);font-size:0.95rem}
.member-actions{display:flex;gap:8px}
.small-btn{padding:6px 8px;border-radius:6px;border:0;background:#f3f4f6}
.small-btn.danger{background:#fee2e2}


/* Events */
.event-card{padding:16px;border-radius:10px;background:var(--card);box-shadow:0 8px 22px rgba(27,31,35,0.06);display:flex;flex-direction:column}
.event-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.event-meta{color:var(--muted);font-size:0.95rem}
.event-actions{display:flex;gap:8px;margin-top:12px}
.attendee-list{margin-top:12px;border-top:1px dashed rgba(0,0,0,0.04);padding-top:12px}
.attendee-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 0}
.attendee-name{font-weight:600}

/* Members spreadsheet table */
.members-table{width:100%;border-collapse:collapse;margin-top:12px;background:var(--card);border-radius:8px;overflow:hidden}
.members-table thead{background:linear-gradient(90deg,rgba(0,0,0,0.02),transparent)}
.members-table th,.members-table td{padding:12px 14px;text-align:left;border-bottom:1px solid rgba(0,0,0,0.04)}
.members-table tr:hover td{background:rgba(0,0,0,0.01)}
.members-table th{font-weight:600}
.members-empty{color:var(--muted);padding:12px}

/* Board page */
.board{background:#05060f;color:#f8fafc;padding:56px 0}
.board .container{padding-top:32px;padding-bottom:32px}
.board-intro{text-align:center;max-width:760px;margin:0 auto 40px}
.board-intro h2{font-size:2.9rem;margin-bottom:14px;letter-spacing:-0.03em}
.board-intro p{color:#cbd5e1;font-size:1.05rem;line-height:1.7;margin:0}
.board-understudies{margin-top:64px}
.board-grid{display:grid;grid-template-columns:repeat(4,minmax(180px,1fr));gap:32px;margin-top:24px;align-items:start}
.board-grid-understudies{grid-template-columns:repeat(4,minmax(180px,1fr));justify-items:center}
.committee-section{margin-top:64px}
.committee-section h3{font-size:2rem;margin-bottom:28px;color:#f8fafc;text-align:center}
.committee-grid{display:grid;grid-template-columns:repeat(4,minmax(180px,1fr));gap:32px;margin-top:24px;align-items:start}
.advisors-grid{display:flex;justify-content:center;flex-wrap:wrap;gap:32px;margin-top:24px}
.board-card{background:transparent;border-radius:18px;padding:0;display:flex;flex-direction:column;align-items:center;text-align:center;box-shadow:none;min-height:auto;position:relative}
.board-avatar{width:180px;height:180px;border-radius:50%;object-fit:cover;margin-bottom:18px;border:4px solid rgba(255,255,255,0.12);box-shadow:0 0 0 1px rgba(255,255,255,0.05),0 24px 60px rgba(0,0,0,0.35)}
.board-name{font-weight:800;font-size:1.1rem;color:#f8fafc}
.board-role{color:#94a3b8;font-size:0.95rem;margin-top:8px}
.committee-members{color:#cbd5e1;font-size:0.95rem;line-height:1.6;margin-top:10px}
.board-contact, .board-link{display:none}

@media(max-width:1200px){
  .board-grid, .committee-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
  .board-grid-understudies{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
}

@media(max-width:800px){
  .board-grid, .board-grid-understudies{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
}

@media(max-width:480px){
  .site-seal{width:60px;top:14px;right:16px}
  .board{padding:40px 0}
  .board-intro h2{font-size:2.2rem}
  .board-understudies h3{font-size:1.6rem}
  .board-avatar{width:140px;height:140px}
}




.site-footer{padding:24px 0;background:transparent;border-top:1px solid rgba(16,24,40,0.04)}

@media(max-width:900px){
  .cards{grid-template-columns:repeat(2,minmax(200px,1fr))}
}

@media(max-width:640px){
  .cards{grid-template-columns:1fr}
}

@media(max-width:800px){
  .nav-list{position:absolute;right:12px;top:52px;flex-direction:column;background:var(--card);padding:12px;border-radius:8px;box-shadow:0 6px 18px rgba(27,31,35,0.08);display:none}
  .nav-list.open{display:flex}
  .nav-toggle{display:inline-block}
}

@media(prefers-color-scheme:dark){
  :root{--bg:#071024;--accent:#3ea6ff;--muted:#9aa7b2;--card:#071329}
  body{color:#e6eef8}
}