:root{
  --bg:#f4f6f9; --panel:#ffffff; --ink:#1c2430; --muted:#64748b; --line:#e2e8f0;
  --brand:#0f766e; --brand-2:#14b8a6; --brand-ink:#ffffff;
  --accent:#2563eb; --ok:#16a34a; --warn:#d97706; --bad:#dc2626;
  --sidebar:#0b3b3a; --sidebar-ink:#d7efec; --radius:12px; --shadow:0 1px 3px rgba(16,24,40,.08);
  font-synthesis:none;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans Malayalam",sans-serif;
  background:var(--bg);color:var(--ink);font-size:15px;line-height:1.5}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

/* Layout */
.layout{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
.sidebar{background:var(--sidebar);color:var(--sidebar-ink);display:flex;flex-direction:column;
  padding:18px 14px;position:sticky;top:0;height:100vh;overflow:auto}
.brand{display:flex;gap:10px;align-items:center;margin-bottom:18px}
.brand-mark{font-size:28px;color:var(--brand-2)}
.brand-name{font-weight:700;color:#fff;line-height:1.1}
.brand-sub{font-size:11px;opacity:.7}
.branch-form select,.lang-form select{width:100%;background:rgba(255,255,255,.08);color:#fff;
  border:1px solid rgba(255,255,255,.15);border-radius:8px;padding:7px 8px;margin-bottom:14px}
.nav{display:flex;flex-direction:column;gap:2px;flex:1}
.nav-link{color:var(--sidebar-ink);padding:9px 11px;border-radius:8px;font-size:14px}
.nav-link:hover{background:rgba(255,255,255,.08);text-decoration:none}
.sidebar-foot{border-top:1px solid rgba(255,255,255,.12);padding-top:12px}
.user-box{margin-top:10px}
.user-name{font-weight:600;color:#fff;font-size:14px}
.user-role{font-size:12px;opacity:.7}
.logout{font-size:13px;color:var(--brand-2)}
.main{padding:24px 28px;max-width:1200px}

/* Public pages */
.public-wrap{max-width:760px;margin:0 auto;padding:32px 20px}

/* Panels & cards */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:20px;margin-bottom:20px}
.panel h1,.panel h2{margin-top:0}
.page-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;flex-wrap:wrap;gap:10px}
.page-head h1{margin:0;font-size:22px}
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}.layout{grid-template-columns:1fr}}

/* Stat tiles */
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow)}
.stat .num{font-size:26px;font-weight:700}
.stat .lbl{color:var(--muted);font-size:13px}
.stat.accent{border-left:4px solid var(--brand)}
.stat.warn{border-left:4px solid var(--warn)}
.stat.bad{border-left:4px solid var(--bad)}

/* Tables */
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;font-weight:600;color:var(--muted);padding:9px 10px;border-bottom:2px solid var(--line);
  font-size:12px;text-transform:uppercase;letter-spacing:.03em}
td{padding:10px;border-bottom:1px solid var(--line);vertical-align:top}
tr:hover td{background:#f8fafc}

/* Forms */
label{display:block;font-weight:600;font-size:13px;margin:12px 0 5px}
input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;
  font:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand-2);border-color:var(--brand-2)}
.help{color:var(--muted);font-size:12px;margin-top:4px}
.errorlist{color:var(--bad);font-size:13px;margin:6px 0;padding-left:18px}

/* Buttons */
.btn{display:inline-block;background:var(--brand);color:#fff;border:none;border-radius:8px;
  padding:9px 15px;font:inherit;font-weight:600;cursor:pointer}
.btn:hover{background:#0c5f58;text-decoration:none;color:#fff}
.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.secondary:hover{background:#f1f5f9}
.btn.danger{background:var(--bad)}
.btn.small{padding:5px 10px;font-size:13px}
.btn.ghost{background:transparent;color:var(--brand);border:1px solid var(--brand)}

/* Badges */
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600;
  background:#eef2f7;color:var(--muted)}
.badge.ok{background:#dcfce7;color:#166534}
.badge.warn{background:#fef3c7;color:#92400e}
.badge.bad{background:#fee2e2;color:#991b1b}
.badge.info{background:#dbeafe;color:#1e40af}
.badge.brand{background:#ccfbf1;color:#115e59}

/* Flash messages */
.flash{padding:11px 14px;border-radius:8px;margin-bottom:16px;font-size:14px}
.flash-success{background:#dcfce7;color:#166534}
.flash-error{background:#fee2e2;color:#991b1b}
.flash-warning{background:#fef3c7;color:#92400e}
.flash-info{background:#dbeafe;color:#1e40af}

/* Utility */
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.spread{justify-content:space-between}
.muted{color:var(--muted)}
.mt{margin-top:16px}.mb{margin-bottom:16px}
.right{text-align:right}
.actions{display:flex;gap:6px;flex-wrap:wrap}

/* Queue board */
.queue-cols{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.queue-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.queue-card h3{margin:0;padding:12px 14px;background:#f8fafc;border-bottom:1px solid var(--line);font-size:15px}
.queue-row{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line)}
.queue-row:last-child{border-bottom:none}
.token-no{font-weight:700;font-variant-numeric:tabular-nums}

/* Print (prescriptions / invoices) */
.print-doc{background:#fff;max-width:820px;margin:0 auto;padding:36px;border:1px solid var(--line);border-radius:var(--radius)}
.print-doc h1{margin:0 0 4px;font-size:20px}
.print-head{border-bottom:2px solid var(--ink);padding-bottom:12px;margin-bottom:16px}
.print-foot{margin-top:32px;padding-top:12px;border-top:1px dashed var(--line);font-size:12px;color:var(--muted)}
@media print{.sidebar,.no-print,.flash{display:none!important}.main{padding:0}.layout{display:block}.print-doc{border:none}}

/* Public booking */
.book-hero{background:linear-gradient(135deg,var(--sidebar),var(--brand));color:#fff;
  border-radius:var(--radius);padding:28px;margin-bottom:22px}
.book-hero h1{margin:0 0 6px}
.steps{counter-reset:step}