:root{color-scheme:light;--ink:#14243a;--muted:#62748a;--line:#dce5ef;--bg:#f4f8fc;--blue:#1268d8;--blue-dark:#0c4d9e;--shadow:0 10px 30px #16385c0a}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 95% 4%,#e1edff 0,transparent 25rem),var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.5}
a{color:var(--blue);text-decoration:none}.topbar{min-height:66px;padding:0 max(24px,calc((100% - 1160px)/2));display:flex;align-items:center;justify-content:space-between;gap:24px;background:linear-gradient(105deg,#123b65,#14548c);color:white;box-shadow:0 3px 12px #0b31551c}
.brand{display:flex;align-items:center;gap:11px;color:white;font-weight:750;font-size:1rem;white-space:nowrap}.brand-mark{width:31px;height:34px;display:grid;place-items:center;border:1.5px solid #c7e1ff;border-radius:5px;font-size:1.35rem}
nav{display:flex;align-items:center;gap:7px}nav a{color:#eaf4ff;padding:9px 13px;border-radius:7px;font-size:.88rem}nav a:hover,nav a.active{background:#ffffff18;color:white}nav a.active{box-shadow:inset 0 -2px #fff}
.container{max-width:1160px;width:calc(100% - 40px);margin:0 auto;padding:44px 0 30px}.hero{display:flex;justify-content:space-between;align-items:center;gap:25px;margin-bottom:28px}.eyebrow{color:var(--blue);font-size:.7rem;font-weight:850;letter-spacing:.15em}h1{font-size:clamp(2.1rem,4.4vw,3.2rem);letter-spacing:-.05em;line-height:1.08;margin:8px 0 12px}h2{font-size:1.35rem;letter-spacing:-.025em;margin:5px 0}.hero p,.subtitle{max-width:720px;color:var(--muted);margin:0}.hero-icon{display:grid;place-items:center;width:88px;height:88px;border-radius:22px;background:linear-gradient(145deg,#d7eaff,#edf5ff);color:#1768c7;font-size:3rem;box-shadow:inset 0 0 0 1px #d4e5f7}
.filter-panel{display:grid;grid-template-columns:minmax(220px,.8fr) minmax(260px,1.2fr);gap:18px;background:#ffffffd9;border:1px solid var(--line);border-radius:15px;padding:19px 20px;margin:25px 0 32px;box-shadow:var(--shadow)}
.field{display:flex;flex-direction:column;gap:7px;min-width:0}.field label{font-size:.86rem;font-weight:750}.field label b{color:#dc2626}input,select,textarea{width:100%;min-width:0;border:1px solid #cbd8e6;border-radius:9px;padding:11px 12px;background:white;color:var(--ink);font:inherit;outline:none}input:focus,select:focus,textarea:focus{border-color:#68a8ff;box-shadow:0 0 0 3px #2d7ee91c}input::placeholder,textarea::placeholder{color:#8a9bb0}small,.muted{font-size:.78rem;color:var(--muted)}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:17px}.count,.pill{display:inline-flex;align-items:center;background:#e5f0ff;color:#1558a5;border-radius:99px;padding:5px 10px;font-size:.76rem;font-weight:750;white-space:nowrap}
.page-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.page-card{display:flex;flex-direction:column;align-items:flex-start;min-height:190px;background:#fff;border:1px solid #e0e8f1;border-radius:13px;padding:21px;box-shadow:var(--shadow);transition:transform .15s,border-color .15s,box-shadow .15s}.page-card:hover{transform:translateY(-2px);border-color:#b4d4fa;box-shadow:0 12px 30px #1b5a9d12}.card-top{display:flex;gap:12px;align-items:flex-start;width:100%}.file-icon{display:grid;place-items:center;flex:0 0 38px;height:42px;background:#e8f3ff;color:#1768c7;border-radius:9px;font-size:1.3rem}.page-card h3{font-size:1.04rem;line-height:1.35;margin:3px 0 0;overflow-wrap:anywhere}.page-card p{color:var(--muted);font-size:.88rem;margin:13px 0 17px}.card-bottom{margin-top:auto;width:100%;display:flex;justify-content:space-between;align-items:center;gap:10px}.view-link{font-size:.86rem;font-weight:750}.category-tag{font-size:.7rem;color:#53677e;background:#f0f4f8;border-radius:5px;padding:4px 7px}
.empty{grid-column:1/-1;padding:42px 24px;text-align:center;color:var(--muted);background:#ffffffa8;border:1px dashed #c7d5e5;border-radius:13px}.notice{margin-top:28px;padding:17px 19px;border:1px solid #bfdbfe;border-radius:12px;background:#eff6ff;color:#1e40af;font-size:.87rem}.notice p{margin:5px 0 0}.notice.warning{background:#fff7ed;border-color:#fed7aa;color:#9a3412}
.narrow{max-width:900px}.back-link{display:inline-block;margin-bottom:24px;font-size:.85rem;font-weight:650}.subtitle{margin:-2px 0 22px}.form-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:24px;box-shadow:var(--shadow);margin-top:22px}.form-card form{display:grid;gap:19px}.field label{font-size:.86rem;font-weight:750}.code-input{min-height:330px;resize:vertical;background:#101820;color:#e6edf3;border-color:#243444;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.84rem;line-height:1.55;tab-size:2}.label-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.form-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}button,.button{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid transparent;border-radius:8px;padding:10px 15px;background:var(--blue);color:white;font:inherit;font-size:.88rem;font-weight:750;cursor:pointer}button:hover,.button:hover{background:var(--blue-dark);color:white}button:disabled{opacity:.6;cursor:wait}.secondary{background:#fff;color:var(--ink);border-color:var(--line)}.secondary:hover{background:#f4f7fb;color:var(--ink)}.message{min-height:1.2em;margin:0;color:var(--muted);font-size:.86rem}.message.error{color:#b91c1c}.message.success{color:#15803d}
.view-container{max-width:1160px}.page-meta{margin:0 0 18px}.page-meta h1{font-size:2.1rem;margin:9px 0 4px}.page-meta p{color:var(--muted);margin:0}.view-shell{background:#f3f7fb}#page-frame{display:block;width:100%;height:calc(100vh - 245px);min-height:550px;border:1px solid var(--line);border-radius:13px;background:white;box-shadow:var(--shadow)}
.admin-toolbar{display:flex;gap:10px;justify-content:space-between;margin:22px 0 15px}.admin-toolbar input{max-width:360px}.table-wrap{overflow:auto;background:white;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}table{border-collapse:collapse;width:100%;min-width:700px;font-size:.84rem}th,td{text-align:left;padding:13px 15px;border-bottom:1px solid #e8edf3}th{background:#f2f6fa;font-size:.75rem;color:#43566c}tr:last-child td{border-bottom:0}.table-actions{display:flex;gap:6px}.small-button{padding:6px 9px;font-size:.76rem}.edit-button{background:#fbbf24;color:#422006}.edit-button:hover{background:#f59e0b;color:#422006}.delete-button{background:#dc2626}.delete-button:hover{background:#b91c1c}
dialog{width:min(760px,calc(100% - 28px));max-height:90vh;overflow:auto;border:1px solid var(--line);border-radius:15px;padding:24px;box-shadow:0 25px 80px #0b1e3555}dialog::backdrop{background:#10253d88}.dialog-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.dialog-head h2{margin:0}.icon-button{background:#eef2f7;color:var(--ink);font-size:1.2rem;padding:5px 10px}
footer{text-align:center;color:#8292a6;font-size:.78rem;padding:8px 20px 26px}
@media(max-width:800px){.page-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topbar{padding:12px 18px}.brand{font-size:.9rem}nav{gap:0}nav a{padding:8px;font-size:.8rem}.hero-icon{display:none}}
@media(max-width:560px){.topbar{height:auto;align-items:flex-start;flex-direction:column;padding:13px 16px;gap:10px}nav{width:100%;overflow:auto}nav a{white-space:nowrap}.container{width:calc(100% - 28px);padding-top:30px}.page-grid{grid-template-columns:1fr}.filter-panel{grid-template-columns:1fr;padding:15px}.form-card{padding:17px}.code-input{min-height:260px}.section-heading{align-items:flex-start;flex-direction:column}.admin-toolbar{flex-direction:column}.admin-toolbar input{max-width:none}#page-frame{min-height:430px;height:65vh}}

/* HTML file upload control on the page editor */
.file-upload-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.file-upload-row input[type="file"]{flex:1;min-width:220px;max-width:100%;padding:10px;border:1px solid var(--border,#d7deea);border-radius:8px;background:var(--surface,#fff)}