:root{--bg: #f7f7f5;--surface: #ffffff;--border: #e2e0db;--text: #2b2a27;--muted: #7a776f;--accent: #b5651d;--accent-dark: #8f4e14;--danger: #c0392b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,Hiragino Kaku Gothic ProN,Yu Gothic,sans-serif}button{cursor:pointer;font-family:inherit}input,select{font-family:inherit;padding:6px 8px;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--text)}.loading{padding:40px;text-align:center;color:var(--muted)}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:32px;width:320px;display:flex;flex-direction:column;gap:12px}.login-card h1{font-size:20px;margin:0}.login-card .sub{margin:0 0 8px;color:var(--muted)}.login-card label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}.login-card button{margin-top:8px;padding:10px;border:none;border-radius:8px;background:var(--accent);color:#fff;font-weight:600}.error{color:var(--danger);font-size:13px;margin:0}.app-shell{min-height:100vh}.topbar{display:flex;align-items:center;gap:24px;padding:14px 24px;background:var(--surface);border-bottom:1px solid var(--border)}.brand{font-weight:700}.tabs{display:flex;gap:16px;flex:1}.tabs a{color:var(--muted);text-decoration:none;padding:6px 10px;border-radius:6px}.tabs a.active{color:var(--accent-dark);background:#f1e6d8;font-weight:600}.logout-btn{border:1px solid var(--border);background:transparent;border-radius:6px;padding:6px 12px}.content{padding:24px;max-width:960px;margin:0 auto}.page h2{margin-top:0}.hint{color:var(--muted);font-size:13px}.inline-form{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:16px}.inline-form button{padding:7px 14px;border:none;border-radius:6px;background:var(--accent);color:#fff;font-weight:600}.table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:8px;overflow:hidden}.table th,.table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}.table tfoot td{font-weight:700;border-top:2px solid var(--border);border-bottom:none}.table .empty{text-align:center;color:var(--muted);padding:24px}.link-btn{border:1px solid var(--border);background:transparent;border-radius:6px;padding:4px 8px;font-size:12px}.danger-btn{border:1px solid var(--danger);color:var(--danger);background:transparent;border-radius:6px;padding:4px 8px;font-size:12px}.switch{display:flex;align-items:center;gap:6px;font-size:13px}.line-guide{background:#eefaf1;border:1px solid #bfe8cc;border-radius:8px;padding:12px 16px;margin-bottom:16px}.line-guide .inline-form{margin-bottom:0}.line-linked{color:#1a7f37;font-weight:600;font-size:12px}.line-unlinked{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}.line-unlinked code{background:#f1e6d8;padding:2px 6px;border-radius:4px;font-weight:600}.calendar-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap;gap:12px}.month-nav{display:flex;align-items:center;gap:12px}.month-nav button{border:1px solid var(--border);background:var(--surface);border-radius:6px;padding:6px 10px}.month-nav h2{margin:0}.primary-btn{border:none;background:var(--accent);color:#fff;font-weight:600;border-radius:8px;padding:10px 16px}.primary-btn:disabled{opacity:.6}.calendar-list{display:flex;flex-direction:column;gap:8px}.day-row{display:grid;grid-template-columns:100px 1fr auto;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:10px 12px}.day-label{font-weight:600;font-size:13px}.day-shifts{display:flex;flex-wrap:wrap;gap:6px}.shift-chip{background:#f1e6d8;color:var(--accent-dark);border-radius:999px;padding:4px 10px;font-size:12px;display:inline-flex;align-items:center;gap:6px}.shift-chip button{border:none;background:transparent;color:inherit;font-weight:700;padding:0}.day-add{display:flex;gap:6px;align-items:center}.day-add select,.day-add input{padding:4px 6px;font-size:12px}.day-add button{border:none;background:var(--accent);color:#fff;border-radius:6px;padding:5px 10px;font-size:12px}.public-screen{max-width:480px;margin:0 auto;padding:24px 16px 80px}.public-screen h1{font-size:20px;margin-bottom:0}.public-screen .sub{color:var(--accent-dark);font-weight:600;margin-top:4px}.request-list{display:flex;flex-direction:column;gap:6px;margin-top:16px}.request-row{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border:1px solid var(--border);border-radius:8px;background:var(--surface)}.request-row.on{border-color:var(--accent);background:#fbf3ea}.request-date{display:flex;align-items:center;gap:8px;font-size:14px}.request-time{display:flex;align-items:center;gap:6px}.request-time input{padding:4px 6px}.submit-btn{width:100%;margin-top:20px;font-size:15px}