:root{--bg: #f4f6f4;--panel: #ffffff;--ink: #15201a;--muted: #5b6b62;--line: #d9e2db;--accent: #1b6b4a;--accent-soft: #e6f3ec;--danger: #b42318;--font: "IBM Plex Sans", system-ui, sans-serif}*{box-sizing:border-box}body{margin:0;font-family:var(--font);color:var(--ink);background:linear-gradient(180deg,#eef3ef,var(--bg));min-height:100vh}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.login-page{min-height:100vh;display:grid;place-items:center;padding:1.5rem}.login-card{width:min(420px,100%);background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:1.75rem;box-shadow:0 16px 40px #15201a0f}.login-card h1{margin:0 0 .35rem;font-size:1.45rem}.login-card p{margin:0 0 1.25rem;color:var(--muted)}.layout{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.side{background:#123226;color:#e8f2ec;padding:1.25rem 1rem;display:flex;flex-direction:column;gap:.35rem}.side h1{font-size:1.05rem;margin:.25rem .5rem 1rem}.side a{padding:.65rem .75rem;border-radius:10px;color:#ffffffc7;font-weight:500}.side a.active,.side a:hover{background:#ffffff1a;color:#fff}.side .spacer{flex:1}.side .logout{margin:.5rem;background:transparent;border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:10px;padding:.6rem;cursor:pointer}.main{padding:1.5rem}.page-title{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.25rem}.page-title h2{margin:0;font-size:1.4rem}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:.85rem;margin-bottom:1.5rem}.stat{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:1rem 1.1rem}.stat .label{color:var(--muted);font-size:.85rem}.stat .value{font-size:1.6rem;font-weight:700;margin-top:.25rem}.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:1.1rem;margin-bottom:1rem}.panel h3{margin:0 0 .85rem;font-size:1.05rem}.form-grid{display:grid;gap:.85rem;grid-template-columns:1fr 1fr}.form-grid .full{grid-column:1 / -1}label{display:grid;gap:.3rem;font-size:.85rem;font-weight:600;color:var(--muted)}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:10px;padding:.65rem .75rem;background:#fff}.btn{border:0;border-radius:10px;padding:.65rem 1rem;font-weight:600;cursor:pointer;background:var(--accent);color:#fff}.btn.secondary{background:var(--accent-soft);color:var(--accent)}.btn.danger{background:var(--danger)}.btn:disabled{opacity:.6;cursor:not-allowed}.msg{margin-top:.75rem;font-weight:600}.msg.ok{color:var(--accent)}.msg.err{color:var(--danger)}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:.92rem}th,td{text-align:left;padding:.7rem .55rem;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.04em}.row-actions{display:flex;gap:.4rem;flex-wrap:wrap}.modules{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:.65rem}.module-toggle{display:flex;align-items:center;justify-content:space-between;gap:.5rem;padding:.75rem .85rem;border:1px solid var(--line);border-radius:12px;background:#fafcfa}.module-toggle span{font-weight:600;text-transform:capitalize}.module-toggle input{width:auto}.thumb{width:56px;height:40px;object-fit:cover;border-radius:6px;background:#eee}@media (max-width: 860px){.layout{grid-template-columns:1fr}.side{flex-direction:row;flex-wrap:wrap;align-items:center}.side .spacer{display:none}.form-grid{grid-template-columns:1fr}}