:root{--blue:#0c4d86;--cyan:#1fb6d8;--teal:#16b6ad;--bg:#eef8fd;--card:#fff;--muted:#5e7186;--green:#0d9d79;--shadow:0 10px 30px rgba(22,74,111,.12)}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#133b63;background:linear-gradient(180deg,#f9fdff 0%,#edf8fd 65%,#e8f7fd 100%);min-height:100vh}a{color:inherit;text-decoration:none}.wrap{max-width:460px;margin:0 auto;min-height:100vh;padding:18px 16px 26px;position:relative;overflow:hidden}.header{display:flex;align-items:center;gap:10px;margin-bottom:18px}.drop{font-size:34px}.brand{font-size:22px;font-weight:800;line-height:1}.sub{font-size:12px;color:var(--muted);margin-top:4px}.hero{background:linear-gradient(145deg,#effaff,#dff4fc);border-radius:26px;padding:20px;box-shadow:var(--shadow);margin-bottom:16px}.hero h1{font-size:28px;line-height:1.08;margin:4px 0 10px;color:#12385e}.hero p{margin:0;color:var(--muted);font-size:14px}.mascot{font-size:52px}.mascot-img{display:block;width:126px;height:auto;margin:-4px 0 4px -8px;filter:drop-shadow(0 10px 14px rgba(15,104,160,.14))}.card{background:rgba(255,255,255,.96);border-radius:18px;padding:16px;box-shadow:var(--shadow);margin-bottom:14px;border:1px solid rgba(16,87,135,.08)}.field{display:grid;grid-template-columns:1fr 145px;align-items:center;gap:12px;margin:10px 0}.field label{font-weight:700;font-size:14px}.input-wrap{display:flex;border:1px solid #cbdbe7;border-radius:10px;overflow:hidden;background:#fff}.input-wrap input{width:100%;border:0;padding:12px;font-size:17px;outline:none;color:#143d63}.unit{padding:12px 11px;background:#f2f7fa;color:#536e84;font-weight:700}.btn{width:100%;border:0;border-radius:10px;background:linear-gradient(90deg,#128bb6,#1cbbb5);color:white;padding:14px 16px;font-size:18px;font-weight:800;cursor:pointer;margin-top:8px}.result{background:linear-gradient(135deg,#effcf8,#e4f8f5);border-radius:14px;padding:14px;margin-top:14px}.row{display:flex;justify-content:space-between;gap:18px;padding:4px 0}.row strong{font-size:18px;color:#0d6d66}.note{background:#edf7ff;border-radius:14px;padding:12px 14px;color:#4e667b;font-size:13px}.footer{text-align:center;color:#6d8798;font-size:12px;padding-top:10px}.admin-shell{max-width:1180px;margin:0 auto;padding:26px}.admin-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.admin-grid{display:grid;grid-template-columns:220px 1fr;gap:22px}.side,.panel{background:#fff;border-radius:18px;box-shadow:var(--shadow);padding:18px}.side a{display:block;padding:12px 14px;border-radius:10px;margin-bottom:8px}.side a.active{background:linear-gradient(90deg,#168dc0,#2ab6dd);color:#fff}.panel h2{margin-top:0}.admin-card{border:1px solid #dce9f1;border-radius:14px;padding:18px;margin-bottom:16px;background:#fff}.admin-row{display:grid;grid-template-columns:220px minmax(160px,340px);gap:16px;align-items:center;margin:12px 0}.small-btn{display:inline-block;border:0;border-radius:9px;background:#117fc3;color:white;padding:11px 18px;font-weight:700;cursor:pointer}.logout{padding:10px 14px;border:1px solid #c9d8e4;border-radius:9px;background:#fff}.ok{background:#e9f9f3;color:#16745d;padding:10px 12px;border-radius:10px;margin-bottom:12px}.err{background:#fff0f0;color:#9a3838;padding:10px 12px;border-radius:10px;margin-bottom:12px}@media(max-width:760px){.mascot-img{width:118px;margin:-6px 0 4px -6px}.admin-shell{padding:14px}.admin-grid{grid-template-columns:1fr}.side{display:flex;overflow:auto;gap:8px}.side a{white-space:nowrap;margin:0}.admin-row{grid-template-columns:1fr}.admin-head{align-items:flex-start;gap:12px}.field{grid-template-columns:1fr}.wrap{padding-top:14px}}