:root{--blue:#0f5bd7;--ink:#172033;--muted:#6c778d;--bg:#f5f7fb;--card:#fff;--line:#e4e9f2;--danger:#d43f3a}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--ink)}a{color:var(--blue);text-decoration:none}.container{width:min(1120px,92%);margin:auto}.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.nav{height:68px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:800;font-size:22px;color:var(--ink)}.navlinks{display:flex;align-items:center;gap:18px;font-size:14px}.hello{color:var(--muted);padding-left:10px;border-left:1px solid var(--line)}.linkbtn{background:none;border:0;color:var(--blue);cursor:pointer;font:inherit}.page{padding:34px 0 70px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:0 5px 20px rgba(20,40,80,.04);margin-bottom:20px}.auth-wrap{min-height:75vh;display:grid;place-items:center}.auth-card{width:min(480px,100%)}h1{margin:0 0 10px;font-size:32px}h2{margin-top:30px}.muted{color:var(--muted)}label{display:block;font-weight:600;font-size:14px;margin:14px 0 6px}input,select,textarea{width:100%;padding:11px 12px;border:1px solid #cfd6e3;border-radius:8px;background:#fff;font:inherit}textarea{resize:vertical}.btn{display:inline-block;background:var(--blue);color:#fff;border:0;border-radius:8px;padding:10px 16px;cursor:pointer;font-weight:700}.btn.full{width:100%;margin-top:16px}.btn.small{padding:7px 10px;font-size:13px}.btn.danger{background:var(--danger)}.btn.secondary{background:#6d7788}.center{text-align:center}.demo{background:#eef4ff;border-radius:10px;padding:12px;font-size:13px;line-height:1.6}.check{display:flex;gap:8px;align-items:center;font-weight:400}.check input{width:auto}.grid2{display:grid;grid-template-columns:1fr 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10px;border-radius:20px;font-size:12px;font-weight:700}.badge.completed{background:#e6f6ec;color:#207541}.badge.cancelled{background:#fde8e7;color:#a93431}.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:18px}.filter{display:flex;gap:10px;align-items:center}.filter input,.filter select{max-width:300px}.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.doctor-card{display:flex;gap:18px}.avatar{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;background:#e8f0ff;color:var(--blue);font-size:24px;font-weight:800;flex:none}.slots{display:flex;flex-wrap:wrap;gap:10px}.slot{margin:0}.slot input{display:none}.slot span{display:block;border:1px solid #bfd0ec;border-radius:8px;padding:10px 12px;cursor:pointer}.slot input:checked+span{background:var(--blue);color:#fff;border-color:var(--blue)}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:13px;color:#536078;background:#f8faff}.actions{display:flex;gap:7px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:22px 0}.stat{background:#fff;border:1px solid var(--line);padding:22px;border-radius:14px}.stat strong{display:block;font-size:32px;color:var(--blue)}.stat span{color:var(--muted)}.timebox{font-size:22px;font-weight:800;color:var(--blue)}.alert{padding:12px 14px;border-radius:8px;margin-bottom:18px}.alert.success{background:#e6f6ec;color:#1d6e3c}.alert.error{background:#fde8e7;color:#9c302d}.form-card{max-width:850px}@media(max-width:800px){.nav{height:auto;padding:14px 0;align-items:flex-start}.navlinks{flex-wrap:wrap;justify-content:flex-end}.hello{display:none}.hero{grid-template-columns:1fr}.hero-icon{display:none}.cards,.stats,.grid2{grid-template-columns:1fr}.grid4{grid-template-columns:1fr 1fr}.filter{flex-wrap:wrap}.row-item{grid-template-columns:1fr}.page-head{display:block}.page-head .btn{margin-top:10px}}.brand{display:flex;align-items:center;gap:9px}.brandmark{width:32px;height:32px;border-radius:10px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:24px;font-weight:900}.navlinks a{color:#45536a}.navlinks a.active{color:var(--blue);font-weight:800}.user-chip{display:flex;flex-direction:column;font-weight:700;font-size:13px;padding-left:12px;border-left:1px solid var(--line)}.user-chip small{font-weight:400;color:var(--muted);margin-top:2px}.menu-btn{display:none;background:none;border:0;font-size:24px}.inline-update{display:flex;gap:6px;min-width:180px}.inline-update select{padding:7px}.pagination{display:flex;gap:6px;align-items:center}.pagination a,.pagination span{padding:7px 10px;border:1px solid var(--line);border-radius:7px;background:#fff}.doctor-card h3{margin:4px 0}.doctor-card p{line-height:1.5}.slot-groups 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@media(max-width:800px){.menu-btn{display:block}.nav{position:relative;align-items:center}.navlinks{display:none;position:absolute;left:0;right:0;top:64px;background:#fff;border:1px solid var(--line);padding:14px;box-shadow:0 12px 30px rgba(0,0,0,.08);flex-direction:column;align-items:stretch}.navlinks.open{display:flex}.navlinks form{width:100%}.navlinks .linkbtn{text-align:left;padding:8px 0}.user-chip{border:0;padding:8px 0}.footer-row{flex-direction:column}.inline-update{min-width:160px}}