:root{color-scheme:light;--brand:#b63f46;--brand-light:#fff0f0;--ink:#292929;--muted:#666;--line:#dedede;--bg:#f7f7f7}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,sans-serif;font-size:16px;line-height:1.5}header{background:#fff;border-bottom:1px solid var(--line);padding:20px max(20px,calc((100% - 1060px)/2));display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}.brand{font-size:22px;font-weight:700;color:var(--brand)}.brand span{display:block;font-size:13px;color:var(--muted);font-weight:400}.account{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.account form{margin:0}main{max-width:1060px;margin:28px auto;padding:0 20px}h1{font-size:28px;line-height:1.2;margin:22px 0}h2{font-size:21px;margin:24px 0 14px}.demo{font-size:13px;color:#754d13;background:#fff0cb;border-left:3px solid #c89738;padding:10px 14px}.panel{background:#fff;border:1px solid var(--line);border-radius:10px;padding:24px;margin:20px 0}.narrow{max-width:480px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.full{grid-column:1/-1}label,.label{display:block;margin:0 0 7px;font-weight:600;font-size:14px}input,select{font:inherit;width:100%;min-height:46px;padding:10px 12px;background:#fff;color:var(--ink);border:1px solid #bbb;border-radius:6px}input:focus-visible,select:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid #4c88af;outline-offset:3px}input[readonly]{background:#f3f3f3;color:var(--muted)}button,.button{display:inline-block;min-height:44px;font:inherit;font-size:15px;font-weight:600;padding:11px 18px;border:1px solid var(--brand);border-radius:6px;background:var(--brand);color:#fff;text-decoration:none;cursor:pointer}button:hover,.button:hover{filter:brightness(.94)}button:disabled{opacity:.65;cursor:wait}.secondary{background:#fff;color:var(--brand)}.quiet{border:0;background:transparent;color:var(--muted);padding:8px}.choice{display:flex;gap:8px}.choice label{position:relative;flex:1;min-width:0;margin:0;font:inherit}.choice input{position:absolute;opacity:0;width:1px;height:1px;min-height:0}.choice span{display:block;text-align:center;border:1px solid #bbb;border-radius:6px;min-height:46px;padding:10px 14px;cursor:pointer}.choice input:checked+span{color:var(--brand);background:var(--brand-light);border-color:var(--brand);box-shadow:inset 0 0 0 1px var(--brand);font-weight:600}.choice input:focus-visible+span{outline:3px solid #4c88af;outline-offset:3px}.actions{display:flex;gap:16px;flex-wrap:wrap;align-items:center;margin-top:22px}a{color:var(--brand)}.small{font-size:13px;color:var(--muted)}.notice{padding:12px 16px;background:#eaf5ec;color:#275b32;border-radius:6px;margin:18px 0}.notice.error{background:#fdebec;color:#8d242b}nav{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin:20px 0}nav a{min-height:44px;display:inline-flex;align-items:center}nav .excel{margin-left:auto}.table-wrap{overflow-x:auto;max-width:100%;background:#fff;border:1px solid var(--line);border-radius:8px}table{min-width:680px;width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:top;overflow-wrap:anywhere}th{background:#f0f0f0;font-weight:600}td a{display:inline-block;min-height:30px}details{margin:22px 0}summary{cursor:pointer;min-height:44px;padding:10px 0}footer{text-align:center;padding:24px;font-size:12px;color:var(--muted)}.check{display:flex;align-items:flex-start;gap:10px;margin:22px 0;font-weight:400}.check input{width:20px;height:20px;min-height:20px;flex-shrink:0;margin-top:2px}.admin-picker{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.admin-picker select{max-width:360px}.admin-picker label{margin:0}dl{display:grid;grid-template-columns:1fr 2fr;gap:12px}dt{color:var(--muted)}dd{margin:0;overflow-wrap:anywhere}.credential{font-family:monospace}form>input{margin-bottom:18px}[hidden]{display:none!important}@media(max-width:600px){.grid{grid-template-columns:1fr}.panel{padding:18px}header{padding:16px 20px}.brand{font-size:19px}h1{font-size:24px}nav{gap:12px}nav .excel{margin-left:0}dl{grid-template-columns:1fr}dd{margin-bottom:8px}th,td{padding:10px}main{padding:0 14px}}
.sort-button{border:0;border-radius:4px;background:transparent;color:var(--ink);padding:4px 0;text-align:left;white-space:nowrap;font:inherit;font-weight:700;min-height:40px}.sort-button:hover{color:var(--brand);filter:none}.sort-button span{margin-left:6px;color:var(--brand)}.status-form{min-width:235px;margin:0}.status-form select{font-size:14px;padding:9px 7px}.status-message{display:block;min-height:20px;margin-top:4px}.status-save{margin-top:6px}.error-text{color:#8d242b}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}#sessions-table{min-width:1000px}
.table-wrap{position:relative}
#sessions-table th:first-child,#sessions-table td:first-child,#sessions-table td:last-child{white-space:nowrap}#sessions-table td{overflow-wrap:break-word}#sessions-table td:nth-child(2){min-width:120px}
textarea{font:inherit;width:100%;padding:10px 12px;background:#fff;color:var(--ink);border:1px solid #bbb;border-radius:6px;resize:vertical;min-height:82px}textarea:focus-visible{outline:3px solid #4c88af;outline-offset:3px}.notes-form{min-width:220px;margin:0}.notes-form textarea{font-size:14px;line-height:1.4}.notes-save{margin-top:6px}.invoice-date{display:block;min-height:20px;margin-top:6px}#sessions-table{min-width:1150px}.status-form{min-width:250px}
@media(min-width:1100px){main{max-width:1320px}header{padding-left:max(20px,calc((100% - 1280px)/2));padding-right:max(20px,calc((100% - 1280px)/2))}}
/* Compact session overview; input form keeps its existing spacing. */
#sessions-table{min-width:1080px;font-size:13px;line-height:1.35}
#sessions-table th,#sessions-table td{padding:7px 10px;vertical-align:middle}
#sessions-table tbody tr:nth-child(odd){background:#fff}
#sessions-table tbody tr:nth-child(even){background:#f0f1f2}
#sessions-table .sort-button{min-height:30px;padding:2px 0}
#sessions-table td:nth-child(2){min-width:110px}
#sessions-table .notes-form{min-width:190px}
#sessions-table .notes-form textarea{display:block;height:38px;min-height:38px;padding:7px 8px;font-size:13px;line-height:1.3;background:transparent}
#sessions-table .notes-form textarea:focus{height:76px;background:#fff}
#sessions-table .status-form{min-width:235px}
#sessions-table .status-form select{min-height:34px;padding:5px 7px;font-size:13px}
#sessions-table .status-message,#sessions-table .invoice-date{min-height:0;margin-top:3px;font-size:11px;line-height:1.3}
#sessions-table .status-message:empty,#sessions-table .invoice-date:empty{display:none}
#sessions-table td a{min-height:30px;display:inline-flex;align-items:center}
@media(max-width:600px){#sessions-table .status-form select,#sessions-table .notes-form textarea{min-height:44px}#sessions-table .sort-button,#sessions-table td a{min-height:40px}}