:root{
  --primary:#0B3D5C; --accent:#22C7BF;
  --ok:#16A34A; --warn:#F59E0B; --bad:#DC2626;
  --bg:#F8FAFC; --surface:#fff; --text:#0F172A; --muted:#64748B; --border:#E2E8F0;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}
a{color:var(--primary)}

/* layout */
.app{min-height:100vh;display:grid;grid-template-rows:auto 1fr}
.app-header{background:var(--primary);color:#fff;padding:.7rem 1.5rem;display:flex;align-items:center;gap:1rem}
.app-header .logo{display:flex;align-items:center;gap:.6rem;font-weight:600;font-size:1.05rem}
.app-header .logo svg{height:28px;width:auto}
.app-header nav{margin-left:1.5rem;display:flex;gap:.25rem;flex-wrap:wrap}
.app-header nav a{color:#fff;opacity:.78;text-decoration:none;padding:.4rem .85rem;border-radius:6px;font-size:.92rem}
.app-header nav a:hover,.app-header nav a.active{background:rgba(255,255,255,.13);opacity:1}
.app-header .right{margin-left:auto;display:flex;align-items:center;gap:.8rem;font-size:.85rem;opacity:.85}
.app-header .right form{display:inline}
.app-header .right button{background:rgba(255,255,255,.15);color:#fff;border:none;padding:.35rem .7rem;border-radius:6px;cursor:pointer;font-family:inherit;font-size:.85rem}

.impersonate-banner{background:#F59E0B;color:#451a03;padding:.5rem 1rem;font-size:.85rem;display:flex;align-items:center;gap:1rem}
.impersonate-banner form{margin-left:auto}
.impersonate-banner button{background:#fff;border:1px solid #b45309;color:#92400E;padding:.25rem .7rem;border-radius:5px;cursor:pointer;font-size:.78rem}

/* Super-admin tenant switcher in header */
.tenant-switcher{display:inline-flex;margin:0;padding:0}
.tenant-switcher select{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.22);padding:.35rem .65rem;border-radius:6px;font-family:inherit;font-size:.82rem;cursor:pointer;max-width:240px;appearance:menulist;font-weight:500}
.tenant-switcher select:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.35)}
.tenant-switcher select option{color:var(--text);background:#fff;font-weight:400}

main{padding:2rem;max-width:1400px;margin:0 auto;width:100%}

/* landing */
.hero{padding:4rem 2rem;text-align:center;background:linear-gradient(180deg,#fff 0%,#F8FAFC 100%)}
.hero h1{font-size:2.4rem;color:var(--primary);font-weight:600;margin-bottom:.8rem}
.hero p.tag{color:var(--muted);font-size:1.1rem;margin-bottom:1.8rem}
.hero .ctas{display:flex;gap:.7rem;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:.7rem 1.3rem;border-radius:8px;background:var(--primary);color:#fff;text-decoration:none;font-weight:500;font-size:.95rem;border:none;cursor:pointer;font-family:inherit}
.btn.secondary{background:#fff;color:var(--primary);border:1px solid var(--primary)}
.btn.ghost{background:transparent;color:var(--primary)}
.btn.danger{background:var(--bad)}
.btn:hover{filter:brightness(1.1)}
.btn.sm{padding:.4rem .8rem;font-size:.83rem}

.modules-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem;margin-top:2.5rem;padding:0 2rem;max-width:1100px;margin-left:auto;margin-right:auto}
.module-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:1.5rem;text-align:left}
.module-card h3{color:var(--primary);font-size:1.05rem;margin-bottom:.4rem}
.module-card p{color:var(--muted);font-size:.9rem}
.module-card .pill{display:inline-block;background:#E0F7F5;color:#0F766E;font-size:.7rem;padding:.15rem .5rem;border-radius:999px;margin-bottom:.5rem;text-transform:uppercase;letter-spacing:.05em;font-weight:500}

.trust{display:flex;flex-wrap:wrap;gap:1.2rem;justify-content:center;color:var(--muted);margin-top:3rem;padding:0 2rem;font-size:.88rem}
.trust span:before{content:'✓ ';color:var(--ok);font-weight:600}

/* cards/grids */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem;margin-bottom:1.5rem}
.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.3rem}
.card h2{font-size:1.05rem;color:var(--primary);margin-bottom:1rem;font-weight:600}
.card h3{font-size:.95rem;color:var(--primary);margin-bottom:.6rem;font-weight:600}

.kpi{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.1rem 1.3rem}
.kpi .l{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:500;margin-bottom:.3rem}
.kpi .v{font-size:1.7rem;font-weight:600;color:var(--primary)}
.kpi .s{font-size:.82rem;color:var(--muted);margin-top:.2rem}

/* tables */
table{width:100%;border-collapse:collapse;font-size:.88rem}
th,td{text-align:left;padding:.55rem .7rem;border-bottom:1px solid var(--border)}
th{background:#F1F5F9;color:var(--primary);font-weight:600;text-transform:uppercase;font-size:.72rem;letter-spacing:.05em}
tbody tr:hover{background:#F8FAFC}
td code{font-size:.78rem;background:#F1F5F9;padding:.1rem .4rem;border-radius:4px}

/* forms */
form.stacked label{display:block;margin-bottom:1rem;font-size:.88rem;color:var(--text)}
form.stacked label .sub{display:block;color:var(--muted);font-size:.78rem;margin-top:.15rem}
input[type=text],input[type=email],input[type=password],input[type=date],input[type=number],input[type=color],select,textarea{
  width:100%;padding:.55rem .65rem;border:1px solid var(--border);border-radius:6px;font-family:inherit;font-size:.92rem;margin-top:.3rem;background:#fff
}
textarea{min-height:80px;resize:vertical}
button[type=submit]{margin-top:.6rem}
.inline-form{display:inline;margin:0;padding:0}
.form-row{display:flex;gap:.6rem;align-items:center}

/* pill */
.pill{display:inline-block;padding:.15rem .55rem;border-radius:999px;font-size:.78rem;font-weight:500;text-transform:lowercase}
.pill.green{background:#DCFCE7;color:#166534}
.pill.yellow{background:#FEF3C7;color:#92400E}
.pill.red{background:#FEE2E2;color:#991B1B}
.pill.neutral{background:#E2E8F0;color:#475569}

/* survey */
.survey-section{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.5rem;margin-bottom:1rem}
.survey-section h2{color:var(--primary);font-size:1.1rem;margin-bottom:1rem}
.q{padding:.8rem 0;border-bottom:1px solid var(--border)}
.q:last-child{border-bottom:none}
.q .qt{font-size:.92rem;margin-bottom:.5rem}
.q .opts{display:flex;flex-wrap:wrap;gap:.4rem}
.q .opts label{display:flex;align-items:center;gap:.3rem;padding:.3rem .6rem;border:1px solid var(--border);border-radius:6px;cursor:pointer;font-size:.85rem;background:#fff}
.q .opts label:hover{background:#F8FAFC}
.q .opts input[type=radio]{margin:0}

/* flash */
.flash{padding:.7rem 1rem;border-radius:8px;margin-bottom:1rem;font-size:.92rem}
.flash.ok{background:#DCFCE7;color:#166534;border:1px solid #BBF7D0}
.flash.warn{background:#FEF3C7;color:#92400E;border:1px solid #FDE68A}
.flash.err{background:#FEE2E2;color:#991B1B;border:1px solid #FECACA}

/* misc */
.muted{color:var(--muted)}
.small{font-size:.82rem}
.hr{height:1px;background:var(--border);margin:1.5rem 0}
.row{display:flex;gap:.6rem;align-items:center}
.spacer{flex:1}
footer{padding:2rem;text-align:center;color:var(--muted);font-size:.8rem;border-top:1px solid var(--border);margin-top:3rem}
.notice{background:#FEF3C7;border-left:3px solid #F59E0B;padding:.6rem .9rem;font-size:.88rem;color:#92400E;margin-bottom:1rem;border-radius:0 6px 6px 0}

/* login centered */
.center{display:flex;justify-content:center;align-items:center;min-height:80vh;padding:2rem}
.center .card{max-width:420px;width:100%}
.center .logo{display:flex;justify-content:center;margin-bottom:1.5rem}