:root {
    --primary:#0f172a;
    --primary2:#1e293b;
    --accent:#0ea5e9;
    --accent2:#0284c7;
    --bg:#f1f5f9;
    --surface:#ffffff;
    --soft:#f8fafc;
    --text:#0f172a;
    --muted:#64748b;
    --border:#e2e8f0;
    --danger:#dc2626;
    --shadow:0 12px 30px rgba(15,23,42,.08);
    --radius:18px;
}
*{box-sizing:border-box}
body{
    margin:0;
    font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
    color:var(--text);
    background:radial-gradient(circle at top left,rgba(14,165,233,.13),transparent 32%),linear-gradient(180deg,#f8fafc 0%,var(--bg) 100%);
    min-height:100vh;
}
a{text-decoration:none;color:inherit}
.topbar{
    position:sticky;top:0;z-index:100;
    display:flex;justify-content:space-between;align-items:center;gap:18px;
    padding:14px 28px;
    background:rgba(15,23,42,.96);
    color:white;
    box-shadow:0 8px 22px rgba(15,23,42,.18);
}
.brand{display:flex;flex-direction:column;line-height:1.15}
.brand strong{font-size:20px;letter-spacing:.2px}
.brand span{font-size:12px;color:#bae6fd;margin-top:3px}
.topbar nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.topbar nav a{
    color:#e2e8f0;
    padding:9px 12px;
    border-radius:999px;
    font-size:14px;
    transition:.18s ease;
}
.topbar nav a:hover{background:rgba(255,255,255,.13);color:#fff}
.container{width:min(1440px,calc(100% - 32px));margin:26px auto 60px}
h1{margin:0 0 20px;font-size:clamp(26px,3vw,40px);letter-spacing:-.04em}
h2{margin:0 0 16px;font-size:clamp(20px,2vw,26px);letter-spacing:-.025em}
h3{margin:0 0 10px}
.panel,.login-card{
    background:rgba(255,255,255,.94);
    border:1px solid rgba(226,232,240,.9);
    border-radius:var(--radius);
    padding:22px;
    margin-bottom:22px;
    box-shadow:var(--shadow);
}
.panel.blue{background:linear-gradient(135deg,#eff6ff,#fff);border-color:#bfdbfe}
.login-card{max-width:430px;margin:70px auto}
.login-card h1{text-align:center;margin-bottom:8px}
.login-card p{text-align:center;color:var(--muted)}
.form,.form-grid,.inline-form{display:grid;gap:14px}
.grid{display:grid;gap:16px}
.form-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));align-items:end}
.inline-form{display:flex;flex-wrap:wrap;align-items:end;gap:12px}
label{display:grid;gap:7px;font-weight:650;color:#334155;font-size:14px}
input,select,textarea{
    width:100%;
    border:1px solid var(--border);
    background:#fff;
    color:var(--text);
    padding:11px 12px;
    border-radius:12px;
    font:inherit;
    outline:none;
    transition:.16s ease;
}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(14,165,233,.14)}
.btn,button.btn,button{
    border:none;
    background:#e2e8f0;
    color:#0f172a;
    border-radius:13px;
    padding:11px 15px;
    font-weight:750;
    cursor:pointer;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:42px;
    transition:.15s ease;
}
.btn:hover,button:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(15,23,42,.12)}
.btn.primary,button.primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff}
.btn.danger,button.danger{background:#fee2e2;color:#991b1b}
.alert{border-radius:14px;padding:14px 16px;background:#dcfce7;border:1px solid #86efac;color:#166534;margin-bottom:18px;font-weight:700}
.error{border-radius:14px;padding:14px 16px;background:#fee2e2;border:1px solid #fecaca;color:#991b1b;margin-bottom:18px;font-weight:700}
.hint{margin-top:18px;padding:14px;border-radius:14px;background:#f8fafc;border:1px dashed #cbd5e1;color:#475569;font-size:14px}
.cards{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-bottom:22px}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card span{display:block;color:var(--muted);font-weight:700;margin-bottom:8px}
.card strong{display:block;font-size:clamp(28px,4vw,42px);letter-spacing:-.05em}
.card.dark{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary2));border-color:transparent}
.card.dark span{color:#cbd5e1}
.table-wrap{overflow-x:auto;border-radius:16px;border:1px solid var(--border);background:#fff}
table{width:100%;border-collapse:collapse;min-width:760px}
th,td{padding:13px 14px;border-bottom:1px solid #e5e7eb;text-align:left;vertical-align:middle}
th{position:sticky;top:0;z-index:1;background:#f8fafc;color:#334155;font-size:13px;text-transform:uppercase;letter-spacing:.04em}
tr:hover td{background:#f8fafc}
.center{text-align:center}
input[type="checkbox"]{width:22px;height:22px;accent-color:var(--accent)}
.footer{text-align:center;color:var(--muted);padding:28px 16px 40px;font-size:14px}
.presence-actions{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px;padding:14px;border-radius:16px;background:#f8fafc;border:1px solid var(--border)}
.manual-presence{min-width:220px}
.planning-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:16px}
.planning-day{background:var(--soft);border:1px solid var(--border);border-radius:18px;padding:16px}
.planning-card{background:#fff;border-left:5px solid var(--accent);border-radius:16px;padding:14px;margin-bottom:12px;box-shadow:0 8px 18px rgba(15,23,42,.07)}
.planning-card strong,.planning-card span,.planning-card em{display:block;margin-bottom:6px}
.muted{color:var(--muted)}
@media(max-width:820px){
    .topbar{align-items:flex-start;flex-direction:column;padding:16px}
    .topbar nav{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
    .topbar nav a{text-align:center;background:rgba(255,255,255,.08);border-radius:12px}
    .container{width:min(100% - 20px,1440px);margin-top:18px}
    .panel,.login-card{padding:16px;border-radius:16px}
    .login-card{margin:30px auto}
    .inline-form{display:grid;grid-template-columns:1fr}
    .form-grid{grid-template-columns:1fr}
    .btn,button{width:100%}
    .presence-actions{display:grid;grid-template-columns:1fr}
    table{min-width:900px}
}
@media(max-width:520px){
    .topbar nav{grid-template-columns:1fr}
    h1{font-size:26px}
    .card strong{font-size:30px}
}