:root{--bg: #f6f7f9;--surface: #ffffff;--text: #1c2330;--muted: #6b7482;--border: #dde1e7;--accent: #1f6feb;--accent-text: #ffffff;--weekend: #eef0f4;--y5: #fff1c2;--y4: #d8f3dc;--y3: #fde2ea;--ruota: #dbeafe;--err: #d7263d;--warn: #e8a317;--banner: #fff7e0;color-scheme:light}select option,select optgroup{background:#fff;color:#1c2330}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}button,select,input{font:inherit;color:inherit}button{background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:6px 12px;cursor:pointer}button:hover{border-color:var(--accent)}button.primary{background:var(--accent);color:var(--accent-text);border-color:var(--accent)}button.danger:hover{border-color:var(--err);color:var(--err)}button.link{border:none;background:none;padding:0;color:var(--accent);text-decoration:underline}button:disabled{opacity:.6;cursor:default}input,select{background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:4px 6px}.top{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;padding:10px 16px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:5}.brand{display:flex;flex-direction:column;line-height:1.2}.brand span{color:var(--muted);font-size:12px}.tabs{display:flex;flex-wrap:wrap;gap:4px;flex:1}.tabs button{border-color:transparent}.tabs button.active{background:var(--bg);border-color:var(--border);font-weight:600}.month{font-weight:600}.banner{background:var(--banner);padding:6px 16px;font-size:13px}.banner.bad{background:#fde8eb;color:var(--err);font-weight:600}.sync{font-size:12px;padding:2px 8px;border-radius:10px;color:var(--muted);border:1px solid var(--border);white-space:nowrap}.sync.ok{color:#1a7f37;border-color:#b7e0c2}.sync.bad{color:var(--err);border-color:var(--err)}main{padding:16px;max-width:100%}h2{font-size:18px;margin:0}h3{font-size:15px;margin:24px 0 8px}h4{font-size:14px;margin:16px 0 6px}.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px}.toolbar h2{margin-right:auto}.stats,.legend{display:flex;flex-wrap:wrap;gap:6px 14px;margin-bottom:8px;font-size:13px}.stats .bad{color:var(--err);font-weight:600}.stats .warn{color:var(--warn);font-weight:600}.chip{display:inline-block;padding:1px 8px;border-radius:10px;border:1px solid var(--border);font-size:12px}.chip.y5,.y5{background:var(--y5)}.chip.y4,.y4{background:var(--y4)}.chip.y3,.y3{background:var(--y3)}.chip.ruota,.ruota{background:var(--ruota)}.chip.optional{background:repeating-linear-gradient(45deg,transparent 0 4px,#dbe6f7 4px 6px)}.chip.err{border:2px solid var(--err)}.chip.wrn{border:2px dashed var(--warn)}.hint{color:var(--muted);font-size:13px}.muted{color:var(--muted)}.table-wrap{overflow:auto;max-height:calc(100vh - 230px);border:1px solid var(--border);border-radius:8px;background:var(--surface)}table{border-collapse:separate;border-spacing:0;width:max-content;min-width:100%}th,td{border-bottom:1px solid var(--border);border-right:1px solid var(--border);padding:2px 4px;text-align:left;white-space:nowrap}thead th{position:sticky;top:0;background:var(--surface);z-index:2;font-size:12px;font-weight:600}.cal thead tr:nth-child(2) th{top:25px}th.group{text-align:center}.sticky{position:sticky;left:0;background:var(--surface);z-index:1}thead .sticky{z-index:3}tr.weekend>*{background:var(--weekend)}tr.sep>*{border-top:2px solid var(--border)}.dow{color:var(--muted);font-size:11px;text-transform:uppercase}th.day{font-weight:600}.cal td.cell{padding:1px}.cal td.cell select{border:none;background:transparent;width:118px;padding:3px 2px;font-size:13px}.cal td.ruota-name input{border:none;background:transparent;width:118px;padding:3px 4px;font:inherit;font-size:13px;color:inherit}.cal td.unused{background-image:repeating-linear-gradient(45deg,transparent 0 6px,var(--border) 6px 7px)}.cal td.optional:not(.y3):not(.y4):not(.y5){background:repeating-linear-gradient(45deg,transparent 0 8px,#eef3fb 8px 12px)}.cal td.expected select{color:var(--muted)}.cal td.manual select{font-weight:700}.cal td.manual:after{content:"✎";font-size:10px;color:var(--muted);margin-left:-14px}.cal td.err{box-shadow:inset 0 0 0 2px var(--err)}.cal td.wrn{box-shadow:inset 0 0 0 2px var(--warn)}.cal td.y5{background:var(--y5)}.cal td.y4{background:var(--y4)}.cal td.y3{background:var(--y3)}.cal td.ruota{background:var(--ruota)}.cal th.free-head{min-width:320px}.cal td.free{white-space:normal;min-width:320px;max-width:520px;padding:2px 4px;font-size:12px;line-height:1.9}.free-chip{display:inline-block;padding:0 6px;margin:1px 3px 1px 0;border-radius:10px;border:1px solid var(--border);white-space:nowrap}.free-chip small{color:var(--muted);font-weight:600}.avail td.abs{width:38px;min-width:38px;text-align:center;cursor:pointer;font-size:12px;font-weight:600;-webkit-user-select:none;user-select:none}.avail th{text-align:center}.avail td.abs:hover{outline:2px solid var(--accent);outline-offset:-2px}.avail td.X{background:var(--err);color:#fff}.avail td.F{background:var(--accent);color:#fff}.avail td.noM,.avail td.noP{background:var(--warn);color:#1c2330}.avail td.inactive{background:var(--border);cursor:not-allowed}.avail th.weekend,td.weekend{background:var(--weekend)}th.name{font-weight:500}td.num{text-align:right;font-variant-numeric:tabular-nums}td.strong{font-weight:700}.composition{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px}.comp{border:1px solid var(--border);border-radius:8px;padding:8px 12px}.comp-head{font-weight:700;display:flex;justify-content:space-between}.comp ul{margin:6px 0 0;padding-left:18px}.people td{padding:4px 6px}.people input:not([type=checkbox]){width:140px}.actions{display:flex;gap:6px}.form{display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px 14px}.form label{display:flex;flex-direction:column;gap:3px;font-size:13px}.form label.check{flex-direction:row;align-items:center;gap:4px}.archive,.exams{padding-left:18px}.archive li,.exams li{margin-bottom:6px}.archive button{margin-left:6px;padding:2px 8px}@media (max-width: 640px){main{padding:12px}.table-wrap{max-height:none}}.login{max-width:360px;margin:48px auto;padding:24px;background:var(--surface);border:1px solid var(--border);border-radius:8px;display:flex;flex-direction:column;gap:12px}.login h2{margin:0}.login input{padding:8px 10px;font-size:15px;border:1px solid var(--border);border-radius:6px}.login-error{color:var(--err);margin:0;font-size:13px}.logout{font-size:12px}