:root{--dark-teal: #085041;--teal: #1d9e75;--light-teal: #9fe1cb;--warm: #f1efe8;--amber: #ef9f27;--white: #ffffff;--ink: #085041;--muted: #5f5e5a;--border: #dcd9d0}*{box-sizing:border-box}body{margin:0;font-family:PT Sans,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--ink);background:var(--warm)}h1,h2,h3,h4{font-family:Montserrat,PT Sans,sans-serif;font-weight:800;color:var(--dark-teal);letter-spacing:-.01em}a{color:var(--teal);text-decoration:none;font-weight:700}a:hover{text-decoration:underline}button{cursor:pointer;border:none;border-radius:8px;padding:10px 18px;font-family:PT Sans,sans-serif;font-size:14px;font-weight:700;background:var(--teal);color:var(--white);transition:filter .15s,background .15s}button:hover{filter:brightness(.94)}button.accent{background:var(--amber);color:var(--dark-teal)}button.secondary{background:var(--white);color:var(--dark-teal);border:1.5px solid var(--teal)}button.danger{background:transparent;color:var(--muted);border:1.5px solid var(--border)}button.danger:hover{color:var(--dark-teal);border-color:var(--teal);filter:none}button:disabled{opacity:.5;cursor:default;filter:none}input,textarea,select{width:100%;padding:9px 12px;border:1.5px solid var(--border);border-radius:8px;font-family:PT Sans,sans-serif;font-size:14px;color:var(--ink);background:var(--white)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--teal)}textarea{min-height:70px;resize:vertical}label{display:block;font-weight:700;font-size:13px;color:var(--dark-teal);margin:14px 0 5px}.card{background:var(--white);border-radius:12px;padding:22px;border:1px solid var(--border)}.header{background:var(--dark-teal);color:var(--white);padding:14px 24px;display:flex;align-items:center;gap:18px}.header h1{color:var(--white);font-size:18px;margin:0}.header select{width:auto;min-width:220px;background:#ffffff14;color:var(--white);border-color:#ffffff40}.header select option{color:var(--ink)}.header .spacer{flex:1}.header span{color:var(--light-teal);font-size:14px}.layout{display:flex;max-width:1140px;margin:24px auto;gap:24px;padding:0 16px}.nav{width:210px;flex-shrink:0;background:var(--dark-teal);border:none;padding:14px;height:fit-content}.nav a{display:block;padding:11px 14px;border-radius:8px;color:var(--light-teal);font-weight:700;margin-bottom:4px}.nav a:hover{background:#ffffff12;color:var(--white);text-decoration:none}.nav a.active{background:var(--teal);color:var(--white)}.nav .muted{color:#9fe1cb99}.content{flex:1;min-width:0}.auth-wrap{max-width:400px;margin:70px auto}.row{display:flex;gap:12px}.row>*{flex:1}.muted{color:var(--muted);font-size:13px}.toast{padding:10px 14px;border-radius:8px;margin:12px 0;font-size:14px}.toast.ok{background:#dcf0e7;color:var(--dark-teal);border-left:4px solid var(--teal)}.toast.err{background:#fbe9cc;color:var(--dark-teal);border-left:4px solid var(--amber)}.example{border:1.5px solid var(--border);border-radius:8px;padding:12px;margin-bottom:10px}h2{margin-top:0}.stat{font-family:Montserrat,sans-serif;font-weight:800;color:var(--amber)}table{border-collapse:collapse;width:100%}thead th{color:var(--dark-teal)}@media (max-width: 820px){.layout{flex-direction:column;gap:14px;margin:12px auto;padding:0 10px}.nav{width:100%;display:flex;flex-wrap:nowrap;overflow-x:auto;gap:6px;padding:8px;border-radius:10px;-webkit-overflow-scrolling:touch}.nav a{margin-bottom:0;white-space:nowrap;flex:0 0 auto;padding:9px 12px}.nav .muted{display:none}.header{padding:10px 14px;gap:10px;flex-wrap:wrap}.header h1{font-size:16px}.header .spacer{display:none}.header select{min-width:0;flex:1 1 140px}.row{flex-direction:column;gap:10px}.card{padding:16px}.content table{display:block;overflow-x:auto;white-space:nowrap}.auth-wrap{margin:30px auto;padding:0 12px}h2{font-size:20px}h3{font-size:17px}}