:root{--brand:#0ea5c6;--brand-dark:#0b7f99;--accent:#2ecfb0;--fg:#1f2937;--muted:#6b7280;--line:#e5e7eb;--bg:#f6f8fa}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:"Segoe UI",system-ui,Arial,sans-serif;color:var(--fg);background:var(--bg);line-height:1.5}
h1{font-size:1.6rem;margin:0 0 .5rem}
h2{font-size:1.15rem;margin:1.5rem 0 .6rem}
a{color:var(--brand-dark)}
.muted{color:var(--muted)}.small{font-size:.85rem}.pad{padding:1rem}
.error{color:#b91c1c;background:#fef2f2;border:1px solid #fecaca;padding:.5rem .75rem;border-radius:6px}
.ok{color:#166534;background:#f0fdf4;border:1px solid #bbf7d0;padding:.5rem .75rem;border-radius:6px}
.warn{color:#92400e;background:#fffbeb;border:1px solid #fde68a;padding:.5rem .75rem;border-radius:6px}

.shell{display:flex;flex-direction:column;min-height:100vh}
.topbar{display:flex;align-items:center;gap:1rem;padding:.5rem 1rem;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.topbar .brand{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;font-size:1.2rem;color:var(--brand-dark);text-decoration:none}
.topbar .business{color:var(--muted)}
.spacer{flex:1}
.user small{color:var(--muted)}
button.link{background:none;border:0;color:var(--brand-dark);cursor:pointer;font:inherit;text-decoration:underline}
.body{display:flex;flex:1}
.sidebar{width:210px;flex-shrink:0;background:#fff;border-right:1px solid var(--line);padding:.5rem 0;overflow-y:auto}
.sidebar a{display:block;padding:.5rem 1.2rem;color:var(--fg);text-decoration:none;border-left:3px solid transparent}
.sidebar a:hover{background:var(--bg)}
.sidebar a.active{border-left-color:var(--brand);background:#e6f6fa;color:var(--brand-dark);font-weight:600}
.sidebar a.soon{color:var(--muted)}
.content{flex:1;min-width:0;padding:1.25rem 1.5rem}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:1rem;margin:1rem 0}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:1rem;display:flex;flex-direction:column}
.card .label{color:var(--muted);font-size:.85rem}
.card .value{font-size:1.5rem;font-weight:700;color:var(--brand-dark)}
.toolbar{display:flex;align-items:center;gap:1rem;margin:.75rem 0}
.field{display:flex;flex-direction:column;gap:.3rem;margin:.75rem 0;font-weight:600}

.table-map{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:.75rem}
.table-tile{background:#fff;border:2px solid var(--line);border-radius:10px;padding:.75rem;display:flex;flex-direction:column}
.table-tile.free{border-color:#86efac}
.table-tile.occupied{border-color:#fca5a5;background:#fef2f2}
.table-tile.reserved{border-color:#fcd34d;background:#fffbeb}
.table-tile small{color:var(--muted)}

.login-page{min-height:100vh;display:grid;grid-template-columns:1fr 1fr;background:#fff}
.login-brand{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:2rem;color:#fff;
 background:linear-gradient(135deg,#1b1f2a 0%,#2a2c52 55%,#3a3591 100%)}
.login-brand img{border-radius:18px}
.login-brand h1{font-size:2.3rem;margin:1.2rem 0 .8rem;color:#fff}
.login-brand p{margin:0;font-size:1.1rem;line-height:1.5;color:#d6d8f0}
.login-panel{display:flex;align-items:center;justify-content:center;padding:2rem}
.login-form{width:100%;max-width:380px;display:flex;flex-direction:column}
.login-form h2{font-size:1.5rem;margin:0}
.login-sub{margin:.3rem 0 2rem;color:var(--muted);font-size:.9rem}
.login-input{width:100%;padding:.65rem .75rem;margin-bottom:1.4rem;border:1px solid #cbd5e1;border-radius:6px;font:inherit;font-size:.9rem;color:var(--fg);background:#fff}
.login-input:focus{outline:2px solid #4f46e5;outline-offset:1px;border-color:#4f46e5}
.login-button{padding:.8rem;border:0;border-radius:6px;background:#4f46e5;color:#fff;font:inherit;font-weight:600;cursor:pointer}
.login-button:hover{background:#4338ca}
.login-button:disabled{opacity:.7;cursor:default}
@media(max-width:800px){
 .login-page{grid-template-columns:1fr}
 .login-brand{padding:2rem 1rem}
 .login-brand img{width:56px;height:56px}
 .login-brand h1{font-size:1.7rem;margin:.8rem 0 .4rem}
}

@media(max-width:800px){
 .body{flex-direction:column}
 .sidebar{width:100%;display:flex;overflow-x:auto;border-right:0;border-bottom:1px solid var(--line)}
 .sidebar a{white-space:nowrap;border-left:0;border-bottom:3px solid transparent}
 .sidebar a.active{border-bottom-color:var(--brand)}
 .topbar{flex-wrap:wrap}
}
h1:focus{outline:none}