:root{color-scheme:dark;font-family:IBM Plex Sans,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top left,#1b2d2d,#0d1418 45%,#090d10);color:#e5eff7}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(420px,100%);background:#0b141be6;border:1px solid rgba(71,145,145,.35);border-radius:16px;padding:24px;display:grid;gap:10px}.login-card h1{margin:0;font-size:24px}.login-card p{margin:0 0 8px;color:#8ab3b3}.login-card label{font-size:14px;color:#b2d1d1}.login-card input{width:100%;padding:11px;border-radius:10px;border:1px solid #2d5050;background:#0a1116;color:#e5eff7}.login-card button,.dashboard-shell button{margin-top:8px;padding:11px 14px;border-radius:10px;border:0;background:linear-gradient(135deg,#25c6b0,#3f9ed8);color:#0d1418;font-weight:700;cursor:pointer}.dashboard-shell{max-width:1100px;margin:0 auto;padding:24px;display:grid;gap:18px}.dashboard-shell header{display:flex;justify-content:space-between;align-items:center}.subtitle{margin-top:4px;color:#92b8b8;font-size:13px}.admin-nav{display:flex;gap:12px}.admin-nav a{color:#d3ecec;text-decoration:none;border:1px solid rgba(71,145,145,.35);border-radius:10px;padding:8px 12px;background:#0c161dbf}.admin-nav a:hover{border-color:#479191a6}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.card{background:#0c161de6;border:1px solid rgba(71,145,145,.28);border-radius:14px;padding:16px}.card h2{margin-top:0;font-size:16px}.form-card{display:grid;gap:14px}.filter-row{display:flex;gap:10px;align-items:center}.filter-row select{background:#0a1116;color:#e5eff7;border:1px solid #2d5050;border-radius:8px;padding:8px}.cell-input{width:100px;background:#0a1116;color:#e5eff7;border:1px solid #2d5050;border-radius:8px;padding:6px}.summary-row{margin-top:14px;display:flex;justify-content:space-between;align-items:center}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px;border-bottom:1px solid rgba(71,145,145,.2);font-size:13px}.error-box{color:#ffbdbd;background:#9c292940;border:1px solid rgba(196,61,61,.4);padding:10px;border-radius:10px}.success-box{color:#bef5de;background:#18815940;border:1px solid rgba(39,171,120,.45);padding:10px;border-radius:10px}.small-button{margin-top:0;padding:6px 10px;border-radius:8px;border:0;background:linear-gradient(135deg,#6ae3d3,#7eb5ff);color:#0d1418;font-size:12px;font-weight:700;cursor:pointer}