:root{--navy:#071d49;--blue:#199ee6;--red:#df2339;--ink:#1d2939;--muted:#667085;--line:#e4e7ec;--bg:#f5f8fc;--white:#fff}*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}.container{width:min(1160px,92%);margin:auto}.site-header{background:var(--navy);color:#fff;box-shadow:0 2px 12px #0002}.nav{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;font-weight:800;letter-spacing:.5px}.brand small{display:block;color:#9bdcff;font-size:11px;font-weight:500}.logo{display:grid;place-items:center;width:45px;height:45px;background:var(--red);border:3px solid #fff;border-radius:50%;font-size:15px}.nav nav{display:flex;gap:8px}.nav nav a{color:#fff;text-decoration:none;padding:10px 12px;border-radius:7px}.nav nav a:hover{background:#ffffff18}.hero{color:#fff;padding:70px 0;background:linear-gradient(120deg,#071d49eb,#0d4f91df),linear-gradient(45deg,#199ee6,#071d49)}.hero h1{font-size:clamp(34px,5vw,58px);margin:4px 0}.hero p{font-size:18px;color:#d7eeff}.eyebrow{font-size:12px;font-weight:800;letter-spacing:2px;color:var(--blue)}.content{padding:36px 0 64px}.filters,.panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:0 8px 25px #13294b0c}.filters{display:flex;gap:14px;align-items:end;margin-top:-70px;position:relative}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:15px}.field.grow{flex:1}.field label{font-size:13px;font-weight:700;color:#344054}.field small{font-weight:400;color:var(--muted)}input,select,textarea{width:100%;padding:12px;border:1px solid #cfd6df;border-radius:8px;background:#fff;font:inherit;color:inherit}input:focus,select:focus,textarea:focus{outline:3px solid #199ee625;border-color:var(--blue)}.btn{display:inline-block;border:0;border-radius:8px;background:var(--red);color:#fff;padding:12px 20px;font-weight:700;text-align:center;text-decoration:none;cursor:pointer}.btn:hover{background:#bd172b}.block{display:block;width:100%}.section-head{display:flex;align-items:end;justify-content:space-between;margin:34px 0 18px}.section-head h1,.section-head h2{margin:0}.section-head p{margin:4px 0;color:var(--muted)}.notes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.note-card{background:#fff;border:1px solid var(--line);border-radius:13px;overflow:hidden;box-shadow:0 5px 20px #13294b0b}.file-icon{padding:18px 20px;background:#e8f6ff;color:#0876b4;font-size:12px;font-weight:800}.note-body{padding:20px}.note-body h3{margin:10px 0 4px}.subject{font-weight:700;color:var(--navy)}.tags{display:flex;gap:7px}.tags span{font-size:11px;font-weight:700;background:#f0f2f5;padding:4px 8px;border-radius:20px}.meta{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:12px;border-top:1px solid var(--line);padding:14px 0}.empty{text-align:center;background:#fff;padding:60px;border-radius:14px;border:1px dashed #bdc6d2}.empty div{font-size:45px}.auth-wrap{min-height:70vh;display:grid;place-items:center;padding:50px 0}.auth{width:min(460px,100%)}.auth h1{margin-bottom:0}.back{display:block;text-align:center;margin-top:15px;color:var(--navy)}.alert{margin-top:20px;padding:13px 16px;border-radius:8px}.alert.success{background:#e7f8ef;color:#08723b}.alert.error{background:#ffebee;color:#a91426}.admin-grid{display:grid;grid-template-columns:2fr 1fr;gap:22px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.form-grid .wide{grid-column:1/-1}.tips ol{padding-left:20px}.tips li{margin:12px 0}.stat{margin-top:30px;padding:20px;background:#eaf6ff;border-radius:10px}.stat strong{display:block;font-size:38px;color:var(--navy)}.stat span{color:var(--muted)}.manage{margin-top:22px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:14px;border-bottom:1px solid var(--line)}th{font-size:12px;text-transform:uppercase;color:var(--muted)}td small{display:block;color:var(--muted)}.danger{border:0;background:#feecef;color:#b21528;border-radius:6px;padding:8px 12px;cursor:pointer}footer{background:var(--navy);color:#d9e5f4;padding:24px 0}footer .container{display:flex;justify-content:space-between}footer p{margin:0}@media(max-width:800px){.nav{align-items:flex-start;padding:14px 0;flex-direction:column}.nav nav{width:100%;overflow:auto}.hero{padding:48px 0 90px}.filters{display:grid;grid-template-columns:1fr 1fr}.field.grow{grid-column:1/-1}.notes-grid{grid-template-columns:1fr 1fr}.admin-grid{grid-template-columns:1fr}}@media(max-width:540px){.filters,.form-grid{display:block}.notes-grid{grid-template-columns:1fr}.section-head,.meta,footer .container{align-items:flex-start;flex-direction:column}.brand{font-size:14px}}