:root{--bg:#f5f7fb;--card:#fff;--ink:#1f2937;--muted:#64748b;--line:#e2e8f0;--blue:#2563eb;--blue2:#1d4ed8;--red:#dc2626;--amber:#d97706;--green:#16a34a;--shadow:0 10px 28px rgba(15,23,42,.08);--r:16px}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink)}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}.hidden{display:none!important}
.top{height:64px;background:#0f172a;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:20}.brand{font-weight:800}.brand small{font-weight:500;color:#cbd5e1;margin-left:8px}.user{display:flex;align-items:center;gap:10px}.wrap{max-width:1320px;margin:0 auto;padding:28px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:18px}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,#edf3ff,#f8fafc)}.login{width:min(520px,100%);padding:28px}.eyebrow{display:inline-flex;background:#eaf1ff;color:#1e40af;border-radius:999px;padding:6px 10px;font-size:13px;font-weight:800}.subtitle,.muted{color:var(--muted)}h1{font-size:30px;margin:8px 0 6px}h2,h3{margin-top:0}.field{display:grid;gap:7px;margin:14px 0}.field input,.field textarea,.select{border:1px solid #cbd5e1;border-radius:10px;padding:10px 12px;background:#fff;color:var(--ink)}.field textarea{min-height:90px;resize:vertical}.full{width:100%}.btn{border:0;border-radius:10px;padding:10px 14px;font-weight:800}.primary{background:var(--blue);color:#fff}.primary:hover{background:var(--blue2)}.secondary{background:#eef2f7;color:#334155}.danger{background:#fee2e2;color:#991b1b}.ghost{background:#fff;border:1px solid var(--line)}.smallbtn{padding:7px 9px;font-size:12px}.demo{background:#f8fafc;border:1px dashed #cbd5e1;border-radius:12px;padding:12px;margin-top:16px;font-size:13px;line-height:1.6}.auth-tabs{display:flex;gap:6px;background:#e9eef5;padding:5px;border-radius:12px;margin:18px 0 4px}.auth-tab{flex:1;border:0;background:transparent;border-radius:9px;padding:9px;font-weight:800;color:#475569}.auth-tab.active{background:#fff;color:#1d4ed8;box-shadow:0 2px 8px rgba(15,23,42,.08)}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:16px}.toolbar.compact{margin-bottom:0}.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.pill{padding:6px 10px;border-radius:999px;font-size:13px;font-weight:800;background:#eaf1ff;color:#1e40af}.pill.closed{background:#fee2e2;color:#991b1b}.notice{padding:12px 14px;border:1px solid #bfdbfe;background:#eff6ff;color:#1e3a8a;border-radius:12px;margin-bottom:16px}.legend{display:flex;gap:8px;flex-wrap:wrap}.chip{padding:6px 9px;border-radius:999px;font-size:12px;font-weight:800}.chip.free{background:#fef3c7;color:#92400e}.chip.want{background:#dcfce7;color:#166534}.chip.no{background:#fee2e2;color:#991b1b}
.status-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0 0 16px}.status-strip>div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:flex;justify-content:space-between;gap:12px}.status-strip .label{color:var(--muted);font-size:13px}.calendar{display:grid;grid-template-columns:repeat(7,1fr);border:1px solid var(--line);border-radius:14px;overflow:visible;background:#fff}.dow{padding:10px;background:#f8fafc;font-size:13px;font-weight:800;text-align:center;border-bottom:1px solid var(--line)}.day{min-height:110px;padding:9px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;background:#fff}.day:nth-child(7n){border-right:0}.day.blank{background:#f8fafc}.day.weekend{background:#fcfcfd}.day.clickable:hover{outline:2px solid #bfdbfe;outline-offset:-2px;z-index:5}.day.selected-day{background:#eff6ff;outline:2px solid #2563eb;outline-offset:-2px}.checkmark{position:absolute;right:8px;top:7px;background:#2563eb;color:#fff;width:22px;height:22px;border-radius:999px;display:grid;place-items:center;font-size:12px}.n{font-weight:800}.tags{display:grid;gap:5px;margin-top:7px}.tag{padding:4px 6px;border-radius:7px;font-size:11px;font-weight:800;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tag.free{background:#fef3c7;color:#92400e}.tag.want{background:#dcfce7;color:#166534}.tag.no{background:#fee2e2;color:#991b1b}.count-row{display:flex;gap:4px;flex-wrap:wrap;margin-top:8px}.count{font-size:11px;font-weight:800;padding:4px 6px;border-radius:7px}.count.free{background:#fef3c7;color:#92400e}.count.want{background:#dcfce7;color:#166534}.count.no{background:#fee2e2;color:#991b1b}.hovercard{display:none;position:absolute;left:50%;top:72%;transform:translateX(-50%);width:290px;background:#111827;color:#fff;border-radius:12px;padding:12px;box-shadow:0 18px 44px rgba(15,23,42,.3);z-index:50;font-size:12px}.day:hover .hovercard{display:block}.hovercard:before{content:"";position:absolute;top:-7px;left:50%;transform:translateX(-50%);border-left:7px solid transparent;border-right:7px solid transparent;border-bottom:7px solid #111827}.hover-title{font-weight:800;margin-bottom:8px}.hover-group{margin-top:8px}.hover-label{font-weight:800;margin-bottom:3px}.hover-names{color:#e5e7eb;line-height:1.45}.empty{color:#94a3b8;font-style:italic}.multi-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#0f172a;color:#fff;padding:12px 14px;border-radius:12px;margin-bottom:12px}.note-card{margin-top:16px}.grid2{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}.top-gap{margin-top:16px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line);font-size:14px}th{background:#f8fafc;color:#475569}.row-actions{display:flex;gap:6px;justify-content:flex-end}.ok{color:#15803d;font-weight:800}.warn{color:#b45309;font-weight:800}.modal{position:fixed;inset:0;background:rgba(15,23,42,.48);display:none;place-items:center;padding:20px;z-index:100}.modal.show{display:grid}.modalbox{width:min(640px,100%);max-height:88vh;overflow:auto;background:#fff;border-radius:18px;padding:22px;box-shadow:0 30px 80px rgba(15,23,42,.3)}.choices{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0}.choice{border:1px solid var(--line);border-radius:12px;background:#fff;padding:13px;text-align:left}.choice.selected{border-color:#2563eb;background:#eff6ff}.detail-group{margin:16px 0}.detail-item{border:1px solid var(--line);border-radius:10px;padding:10px;margin:7px 0}.detail-item .small{margin-top:4px}.small{font-size:13px}.view-tabs{display:flex;gap:6px;margin:2px 0 18px;padding:5px;background:#e9eef5;border-radius:12px;width:max-content;max-width:100%}.view-tab{border:0;background:transparent;color:#475569;border-radius:9px;padding:9px 15px;font-weight:800}.view-tab.active{background:#fff;color:#1d4ed8;box-shadow:0 2px 8px rgba(15,23,42,.08)}.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.metric-label{color:var(--muted);font-size:13px;font-weight:700}.metric-value{font-size:30px;font-weight:900;margin-top:6px}.table-link{cursor:pointer}.table-link:hover td{background:#f8fafc}.name-list{display:flex;flex-wrap:wrap;gap:8px}.name-list span{padding:7px 10px;border-radius:999px;background:#fff7ed;color:#9a3412;font-size:13px;font-weight:700;border:1px solid #fed7aa}
@media(max-width:850px){.wrap{padding:18px}.top{padding:0 14px}.grid2{grid-template-columns:1fr}.calendar{grid-template-columns:repeat(7,minmax(80px,1fr));overflow:auto}.day{min-height:95px}.hovercard{display:none!important}.choices{grid-template-columns:1fr}.user span.name{display:none}.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.view-tabs{width:100%;overflow:auto}.view-tab{flex:1;padding-left:8px;padding-right:8px}.status-strip{grid-template-columns:1fr}.multi-bar{align-items:flex-start;flex-direction:column}.row-actions{min-width:190px}}

.month-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.month-grid .field{margin-top:8px}.check-row{display:flex;align-items:center;gap:9px;margin:12px 0;color:#334155;font-size:14px}.check-row input{width:18px;height:18px}.return-card{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:13px 14px;margin:0 0 16px}.return-card b{display:block;margin-bottom:3px}@media(max-width:650px){.month-grid{grid-template-columns:1fr}.return-card{align-items:flex-start;flex-direction:column}.auth-tabs{overflow:auto}.auth-tab{min-width:max-content}}

/* v1.0 */
.day.heat1{background:#fffaf0}.day.heat2{background:#fff0d8}.day.heat3{background:#ffe0c2}.day.heat4{background:#ffd1cc}
.day.heat1.weekend,.day.heat2.weekend,.day.heat3.weekend,.day.heat4.weekend{background:inherit}
.heat-legend{display:flex;align-items:center;gap:5px;color:var(--muted);font-size:12px;font-weight:700}.heat-legend i{display:block;width:22px;height:16px;border-radius:5px;border:1px solid rgba(15,23,42,.08)}.heat-legend i.heat1{background:#fffaf0}.heat-legend i.heat2{background:#fff0d8}.heat-legend i.heat3{background:#ffe0c2}.heat-legend i.heat4{background:#ffd1cc}.heat-legend b{color:#9a3412;font-size:12px}
.reminder-banner{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:0 0 16px;padding:13px 14px;border:1px solid #fbbf24;background:#fffbeb;color:#78350f;border-radius:12px}.reminder-banner .btn{background:#fff;border:1px solid #f59e0b;color:#92400e}
.reminder-list{display:grid;gap:8px;margin-top:12px}.reminder-list>div{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}.reminder-list>div:last-child{border-bottom:0}.reminder-list span{font-size:12px;color:var(--muted);text-align:right}
.steps{background:#fff;border:1px solid var(--line);border-radius:12px;margin:0 0 16px;box-shadow:0 4px 12px rgba(15,23,42,.04)}.steps summary{cursor:pointer;padding:12px 14px;font-weight:800;color:#334155}.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:0 14px 14px}.step-grid>div{display:grid;grid-template-columns:30px 1fr;column-gap:8px;align-items:start;background:#f8fafc;border-radius:10px;padding:10px}.step-grid span{grid-row:1/3;width:26px;height:26px;border-radius:999px;background:#dbeafe;color:#1d4ed8;display:grid;place-items:center;font-weight:900}.step-grid small{color:var(--muted);line-height:1.35;margin-top:2px}
.checklist{display:grid;gap:12px;margin-top:18px}.checklist>div{display:grid;grid-template-columns:38px 1fr;gap:12px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:13px}.checklist>div>span{width:34px;height:34px;border-radius:999px;background:#e2e8f0;color:#475569;display:grid;place-items:center;font-weight:900}.checklist>div.done>span{background:#dcfce7;color:#166534}.checklist b{display:block}.checklist small{display:block;color:var(--muted);margin-top:3px;line-height:1.4}
@media(max-width:850px){.heat-legend{width:100%;margin-top:8px}.step-grid{grid-template-columns:1fr}.reminder-banner,.reminder-list>div{align-items:flex-start;flex-direction:column}.reminder-list span{text-align:left}}

/* v1.2 online */
.privacy-note{font-size:12px;color:var(--muted);margin:16px 2px 0;line-height:1.5}.privacy-note a{color:#1d4ed8}.temp-password{padding:16px;border:1px solid #bfdbfe;background:#eff6ff;border-radius:12px;margin:14px 0;text-align:center}.temp-password code{font-size:18px;font-weight:900;word-break:break-all}.pill.pending{background:#fef3c7;color:#92400e}