:root{--bg-start:#f6f8fb;--bg-end:#eef2f7;--card-start:#ffffff;--card-end:#f9fbff;--text:#0f172a;--muted:#64748b;--accent:#3b82f6}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:linear-gradient(135deg,var(--bg-start),var(--bg-end));color:var(--text)}
.container{max-width:1100px;margin:40px auto;padding:0 20px}
.window{border-radius:18px;background:rgba(255,255,255,0.28);backdrop-filter:saturate(180%) blur(12px);box-shadow:0 24px 48px rgba(2,6,23,.12),0 2px 10px rgba(2,6,23,.08)}
.window-toolbar{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid rgba(2,6,23,.06)}
.traffic-lights{display:flex;gap:8px}
.traffic-lights span{width:12px;height:12px;border-radius:50%}
.traffic-lights .red{background:#ff5f57}
.traffic-lights .yellow{background:#ffbd2e}
.traffic-lights .green{background:#28c840}
.window-title{font-weight:600;letter-spacing:.2px}
.window-body{padding:20px}
section{margin-bottom:20px}
h3{margin:0 0 12px 0;font-weight:700}
form .grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--muted)}
input,select,textarea{width:100%;padding:11px 14px;border:1px solid rgba(2,6,23,.12);border-radius:14px;background:rgba(255,255,255,0.55);backdrop-filter:saturate(160%) blur(10px);color:var(--text);box-shadow:inset 0 1px 2px rgba(255,255,255,.6),inset 0 -1px 2px rgba(2,6,23,.04)}
input:focus,select:focus,textarea:focus{outline:none;border-color:rgba(59,130,246,.45);box-shadow:0 0 0 3px rgba(59,130,246,.15)}
textarea{resize:vertical}
button{display:inline-flex;align-items:center;justify-content:center;padding:12px 20px;border:0;border-radius:14px;background:linear-gradient(135deg,#4f46e5,#3b82f6);color:#fff;font-weight:700;letter-spacing:.2px;box-shadow:0 14px 28px rgba(59,130,246,.25);margin-top:6px}
button:hover{filter:brightness(1.05)}
.note-card{display:flex;flex-direction:column;gap:10px;background:linear-gradient(135deg,var(--card-start),var(--card-end));border:1px solid rgba(2,6,23,.08);border-radius:18px;padding:16px;box-shadow:0 18px 36px rgba(2,6,23,.10)}
.note-card img{width:100%;height:200px;object-fit:cover;border-radius:12px}
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.spinner{width:24px;height:24px;border:3px solid rgba(59,130,246,.25);border-top-color:#3b82f6;border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
#tasks{padding:22px;background:rgba(255,255,255,0.30);backdrop-filter:saturate(180%) blur(10px);border-radius:20px;border:1px solid rgba(2,6,23,.08)}
.meta{font-size:12px;color:var(--muted)}
footer{margin-top:8px;color:var(--muted)}
@media(max-width:960px){form .grid{grid-template-columns:repeat(2,1fr)}.grid-cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){form .grid{grid-template-columns:1fr}.grid-cards{grid-template-columns:1fr}}

/* Elegant subcard for grouped options */
.subgrid{grid-column:1/-1;display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.glass-card{padding:12px 14px;border:1px solid rgba(2,6,23,.08);border-radius:16px;background:rgba(255,255,255,.32);backdrop-filter:saturate(160%) blur(10px)}

/* Toggle switch */
.toggle{display:flex;align-items:center;gap:10px;color:var(--muted)}
.toggle input{appearance:none;width:44px;height:26px;border-radius:999px;background:rgba(2,6,23,.15);position:relative;border:1px solid rgba(2,6,23,.12);transition:all .2s ease}
.toggle input:after{content:"";position:absolute;top:2px;left:2px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 4px 10px rgba(2,6,23,.15);transition:transform .2s ease}
.toggle input:checked{background:linear-gradient(135deg,#22c55e,#3b82f6);border-color:rgba(59,130,246,.45)}
.toggle input:checked:after{transform:translateX(18px)}

.status-ok{color:#16a34a}
.status-warn{color:#ef4444}