:root{
    --primary:#0b5d7a;--primary-dark:#083e52;--bg:#f4f7fb;--surface:#ffffff;--muted:#64748b;--text:#0f172a;--border:#e5eef5;--shadow:0 10px 30px rgba(15,23,42,.08);--safe-bottom:calc(env(safe-area-inset-bottom, 0px) + 84px);
}
*{box-sizing:border-box} html,body{height:100%}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;background:linear-gradient(180deg,#edf5fb 0%, #f8fbfe 36%, var(--bg) 100%);color:var(--text)}
a{color:inherit}.container{max-width:980px;margin:0 auto;padding:0 14px}.narrow{max-width:560px}.app-main{padding-top:10px;padding-bottom:var(--safe-bottom)}
.app-loader{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(180deg, rgba(11,93,122,.98), rgba(8,62,82,.98));transition:opacity .35s ease, visibility .35s ease}
.app-loader.is-hidden{opacity:0;visibility:hidden;pointer-events:none}.app-loader__card{text-align:center;color:#fff;max-width:420px}.app-loader__logo{width:110px;height:110px;object-fit:contain;margin-bottom:18px;filter:drop-shadow(0 12px 28px rgba(0,0,0,.18))}.app-loader__title{font-size:2rem;font-weight:900;letter-spacing:.06em}.app-loader__subtitle{margin:10px auto 0;line-height:1.5;font-size:.95rem;color:rgba(255,255,255,.88)}.app-loader__spinner{width:42px;height:42px;margin:22px auto 0;border-radius:50%;border:4px solid rgba(255,255,255,.22);border-top-color:#fff;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.header-card{background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:#fff;border-radius:24px;padding:14px 16px;box-shadow:var(--shadow);margin:12px 0 6px}.header-row{display:flex;align-items:center;gap:12px}.header-logo{width:48px;height:48px;border-radius:16px;padding:4px;background:rgba(255,255,255,.16)}.header-brand{min-width:0;flex:1}.header-title{font-size:1rem;font-weight:800;line-height:1.1}.header-subtitle{font-size:.78rem;opacity:.86;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.header-chat-link{padding:10px 14px;border-radius:999px;background:#fff;color:var(--primary-dark);text-decoration:none;font-weight:800;font-size:.86rem}.header-chat-link--danger{color:#b91c1c}
.hero-mobile,.page-card,.section-block,.chat-room-card,.admin-login-card{margin-top:18px;background:var(--surface);border:1px solid var(--border);border-radius:24px;box-shadow:var(--shadow);padding:18px}.hero-mobile--sigawi{background:radial-gradient(circle at top right, rgba(11,93,122,.10), transparent 38%), linear-gradient(160deg,#ffffff 0%,#eef7fc 100%)}.hero-chip{display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;background:rgba(11,93,122,.1);color:var(--primary);font-size:.84rem;font-weight:700}.hero-title{font-size:1.7rem;line-height:1.15;font-weight:800;margin:0}.hero-subtitle,.hero-brand-note{color:var(--muted);line-height:1.6}.hero-mobile__badge{margin-top:18px;display:flex;justify-content:center}.hero-mobile__logo{width:120px;height:120px;filter:drop-shadow(0 12px 20px rgba(11,93,122,.18))}
.section-header h2,.admin-login-title{font-size:1.15rem;font-weight:800;margin:0}.section-header p,.admin-login-subtitle{margin:6px 0 0;color:var(--muted);line-height:1.55;font-size:.95rem}.mini-stack,.app-grid{display:grid;gap:12px;margin-top:14px}
.app-card,.mini-card,.empty-card,.list-card{background:#fff;border:1px solid var(--border);border-radius:20px;padding:14px}.app-card{display:flex;align-items:center;gap:14px;text-decoration:none;box-shadow:0 6px 16px rgba(15,23,42,.04)}.app-card__icon{width:52px;height:52px;flex:0 0 52px;display:flex;align-items:center;justify-content:center;border-radius:18px;background:rgba(11,93,122,.1);color:var(--primary);font-size:1.3rem}.app-card__text{min-width:0;flex:1}.app-card__text h3{margin:0;font-size:1rem;font-weight:800}.app-card__text p{margin:4px 0 0;color:var(--muted);font-size:.88rem;line-height:1.45}.app-card__arrow{color:#94a3b8;font-size:1.2rem}
.mini-label{font-size:.78rem;color:var(--muted);margin-bottom:6px}.mini-value{font-size:.98rem;font-weight:700;color:var(--text);line-height:1.4}
.mobile-form{display:grid;gap:14px;margin-top:10px}.form-group-mobile label{display:block;font-size:.9rem;font-weight:700;margin-bottom:8px}.form-control{width:100%;border:1px solid var(--border);min-height:54px;font-size:16px;padding:12px 14px;border-radius:18px;outline:none}textarea.form-control{min-height:110px;resize:vertical}
.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border:none;cursor:pointer}.btn-primary{background:linear-gradient(135deg, var(--primary-dark), var(--primary));color:#fff}.btn-outline-primary{background:#fff;border:1px solid rgba(11,93,122,.22);color:var(--primary)}.btn-outline-secondary{background:#fff;border:1px solid rgba(100,116,139,.22);color:#334155}.btn-outline-danger{background:#fff;border:1px solid rgba(185,28,28,.2);color:#b91c1c}.btn-secondary{background:#64748b;color:#fff}.btn-success{background:#10b981;color:#fff}.btn-outline-success{background:#fff;border:1px solid rgba(16,185,129,.28);color:#047857}.btn-sm{padding:10px 14px;font-size:.85rem;font-weight:700}.btn-xl{min-height:56px;padding:0 18px;font-weight:700;font-size:1rem}.rounded-4{border-radius:18px}.w-100{width:100%}.d-grid{display:grid}.gap-2{gap:8px}.mt-3{margin-top:12px}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}.text-center{text-align:center}.text-muted{color:var(--muted)}.small{font-size:.85rem}.badge{display:inline-flex;padding:6px 10px;font-size:.76rem;font-weight:700}.rounded-pill{border-radius:999px}.text-bg-primary{background:rgba(11,93,122,.12);color:var(--primary)}.text-bg-success{background:rgba(16,185,129,.12);color:#047857}.text-bg-secondary{background:rgba(100,116,139,.14);color:#475569}.sticky-action{position:sticky;bottom:calc(env(safe-area-inset-bottom, 0px) + 80px);z-index:10}.two-col{display:grid;gap:12px}
.alert{padding:14px 16px;border-radius:18px;margin-top:12px}.alert.success{background:rgba(16,185,129,.12);color:#047857}.alert.danger{background:rgba(239,68,68,.12);color:#b91c1c}
.bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:1030;display:grid;grid-template-columns:repeat(5,1fr);gap:8px;padding:10px 12px calc(env(safe-area-inset-bottom, 0px) + 10px);background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-top:1px solid rgba(148,163,184,.2)}.bottom-nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-height:56px;text-decoration:none;color:#64748b;border-radius:16px;font-size:.72rem;font-weight:700}.bottom-nav-item.active{color:var(--primary);background:rgba(11,93,122,.1)}.sigawi-chat-fab{position:fixed;right:16px;bottom:calc(env(safe-area-inset-bottom, 0px) + 94px);z-index:1040;display:inline-flex;align-items:center;gap:8px;padding:12px 14px;border-radius:999px;text-decoration:none;color:#fff;background:linear-gradient(135deg, var(--primary-dark), var(--primary));box-shadow:0 14px 28px rgba(11,93,122,.25);font-weight:800;font-size:.86rem}
.chat-room-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:10px;border-bottom:1px solid var(--border)}.chat-room-title{font-size:1rem;font-weight:800}.chat-room-subtitle{margin-top:4px;font-size:.84rem;color:var(--muted)}.chat-room-messages{height:52vh;min-height:320px;max-height:62vh;overflow:auto;padding:16px 0;background:linear-gradient(180deg, #f8fbfe, #f2f7fb)}.chat-room-form{padding-top:12px;border-top:1px solid var(--border);background:#fff}.chat-room-input-wrap{display:flex;align-items:flex-end;gap:10px}.chat-room-input{min-height:54px;resize:none}.chat-room-send{width:54px;height:54px;border:none;border-radius:18px;background:linear-gradient(135deg, var(--primary-dark), var(--primary));color:#fff;flex:0 0 54px}.msg-row{display:flex;margin-bottom:12px}.msg-row.is-admin{justify-content:flex-start}.msg-row.is-visitor{justify-content:flex-end}.msg-bubble{max-width:88%;padding:12px 14px;border-radius:18px;box-shadow:0 8px 16px rgba(15,23,42,.06)}.msg-bubble--admin{background:#fff;border:1px solid var(--border);border-bottom-left-radius:6px}.msg-bubble--visitor{background:linear-gradient(135deg, var(--primary), #1d9bf0);color:#fff;border-bottom-right-radius:6px}.msg-meta{font-size:.74rem;opacity:.85;margin-bottom:6px}.msg-body{line-height:1.55;font-size:.93rem}.empty-chat{padding:32px 14px;text-align:center;color:var(--muted)}
.admin-shell{padding-bottom:24px}.admin-login-card{max-width:480px;margin:24px auto 0}.admin-login-logo{width:88px;height:88px;object-fit:contain}.admin-stats-grid{display:grid;grid-template-columns:repeat(2, minmax(0,1fr));gap:12px}.admin-stat-card{background:#fff;border:1px solid var(--border);border-radius:20px;padding:14px}.admin-stat-label{font-size:.8rem;color:var(--muted)}.admin-stat-value{margin-top:6px;font-size:1.4rem;font-weight:900}.admin-topbar,.admin-chat-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;flex-wrap:wrap}.admin-actions{display:flex;gap:8px;flex-wrap:wrap}.admin-filter-grid{display:grid;gap:12px}.list-card__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}.list-card__body{display:grid;gap:8px}.list-card__body div{display:flex;align-items:center;justify-content:space-between;gap:10px}.list-card__body span{color:var(--muted);font-size:.85rem}
@media (min-width: 768px){.two-col{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-filter-grid{grid-template-columns:2fr 1fr auto}.admin-stats-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media (min-width: 992px){.hero-mobile{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;min-height:280px}.hero-mobile__badge{margin-top:0}.app-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.bottom-nav{max-width:520px;left:50%;transform:translateX(-50%);bottom:18px;border-radius:24px;box-shadow:0 12px 28px rgba(15,23,42,.16);border:1px solid rgba(148,163,184,.18)}.sigawi-chat-fab{right:calc(50% - 460px);bottom:120px}}