:root{
  --sm-primary:#0d47a1;
  --sm-primary-2:#1976d2;
  --sm-accent:#42a5f5;
  --sm-bg:#f3f7fd;
  --sm-surface:#ffffff;
  --sm-surface-2:#edf4ff;
  --sm-border:#d8e6fb;
  --sm-text:#16304f;
  --sm-muted:#5f7894;
  --sm-success-bg:#e8f7ee;
  --sm-success:#177245;
  --sm-danger-bg:#feefef;
  --sm-danger:#bb2d3b;
  --sm-info-bg:#eaf4ff;
  --sm-info:#0d47a1;
  --sm-shadow:0 18px 48px rgba(13,71,161,.10);
  --sm-radius:20px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,Arial,sans-serif;background:linear-gradient(180deg,#f5f9ff 0%,#eef5ff 100%);color:var(--sm-text)}
a{text-decoration:none;color:inherit}
body{min-height:100vh}
code{background:#eff6ff;color:var(--sm-primary);padding:2px 8px;border-radius:10px;font-size:.92em}
.guest-body{padding:20px}
.guest-wrapper{max-width:1320px;margin:0 auto;display:grid;grid-template-columns:minmax(300px,380px) minmax(0,1fr);gap:24px;align-items:stretch;min-height:calc(100vh - 40px)}
.guest-brand-panel,.card,.sidebar,.topbar,.stat-card,.hero-panel{background:var(--sm-surface);border:1px solid var(--sm-border);box-shadow:var(--sm-shadow)}
.guest-brand-panel{border-radius:28px;padding:32px;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(145deg,#0d47a1 0%,#1976d2 65%,#42a5f5 100%);color:#fff}
.brand-badge{display:inline-flex;width:max-content;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.18);font-size:13px;font-weight:700;letter-spacing:.02em}
.guest-brand-panel h1{font-size:clamp(2rem,3vw,3rem);margin:18px 0 12px}
.guest-brand-panel p{line-height:1.7;margin:0 0 24px;color:rgba(255,255,255,.94)}
.brand-points{display:grid;gap:12px}
.brand-points div{display:flex;align-items:center;gap:10px;font-weight:600}
.dot{width:10px;height:10px;border-radius:50%;background:#fff;display:inline-block}
.guest-content{display:flex;align-items:center}
.app-shell{display:grid;grid-template-columns:280px 1fr;min-height:100vh}
.sidebar{padding:24px;background:linear-gradient(180deg,#0d47a1 0%,#1565c0 100%);color:#fff;border-radius:0 28px 28px 0;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:14px;margin-bottom:26px}
.brand strong{display:block;font-size:1.2rem}
.brand span{color:rgba(255,255,255,.88);font-size:.95rem}
.brand-mark{width:48px;height:48px;border-radius:16px;background:rgba(255,255,255,.16);display:grid;place-items:center;font-weight:800;letter-spacing:.04em}
.nav{display:flex;flex-direction:column;gap:10px}
.nav-link{display:flex;align-items:center;gap:12px;padding:13px 14px;border-radius:16px;background:rgba(255,255,255,.10);color:#fff;font-weight:600;transition:.18s ease}
.nav-link:hover{background:rgba(255,255,255,.18);transform:translateX(2px)}
.nav-link-disabled{opacity:.62}
.nav-icon{width:20px;height:20px;display:inline-flex}
.nav-icon svg{width:20px;height:20px}
.content-area{display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:22px 28px;border-radius:0 0 0 24px;background:rgba(255,255,255,.92);backdrop-filter:blur(4px)}
.topbar-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.eyebrow{margin:0 0 6px;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--sm-primary-2);font-weight:800}
.page-title{margin:0;font-size:clamp(1.6rem,2.7vw,2.35rem)}
.page-content{padding:24px 28px 30px}
.user-pill{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:999px;background:var(--sm-surface-2);border:1px solid var(--sm-border)}
.user-pill small{display:block;color:var(--sm-muted)}
.user-avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--sm-primary) 0%,var(--sm-primary-2) 100%);color:#fff;font-weight:800}
.card{border-radius:var(--sm-radius);padding:26px}
.card-wide{width:100%}
.card-nested{padding:22px;background:var(--sm-surface-2)}
.login-card{max-width:540px;width:100%}
.section-heading{display:flex;align-items:flex-start;gap:14px;margin-bottom:18px}
.section-heading h1,.section-heading h2{margin:0 0 8px}
.section-heading p{margin:0;color:var(--sm-muted);line-height:1.65}
.section-heading-xl{margin-bottom:24px}
.section-icon{width:52px;height:52px;border-radius:18px;background:linear-gradient(135deg,var(--sm-primary) 0%,var(--sm-primary-2) 100%);display:grid;place-items:center;font-size:24px;color:#fff;flex:0 0 52px}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.stack{display:flex;flex-direction:column;gap:18px}
label{display:flex;flex-direction:column;gap:8px;font-size:.95rem;font-weight:600;color:var(--sm-text)}
input{width:100%;padding:13px 15px;border-radius:14px;border:1px solid #cfe0fb;background:#fff;color:var(--sm-text);font-size:15px;outline:none;transition:border-color .18s,box-shadow .18s}
input:focus{border-color:var(--sm-primary-2);box-shadow:0 0 0 4px rgba(25,118,210,.12)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 20px;border-radius:14px;border:none;background:linear-gradient(135deg,var(--sm-primary) 0%,var(--sm-primary-2) 100%);color:#fff;cursor:pointer;font-weight:700;box-shadow:0 12px 24px rgba(25,118,210,.18)}
.btn:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}
.btn-light{background:#fff;color:var(--sm-primary);border:1px solid var(--sm-border);box-shadow:none}
.alert{padding:14px 16px;border-radius:16px;margin-bottom:16px;border:1px solid transparent}
.alert ul{margin:0;padding-left:18px}
.alert-success{background:var(--sm-success-bg);color:var(--sm-success);border-color:#b8ebc8}
.alert-danger{background:var(--sm-danger-bg);color:var(--sm-danger);border-color:#f7c2c7}
.alert-info{background:var(--sm-info-bg);color:var(--sm-info);border-color:#cfe4ff}
.badge{display:inline-flex;align-items:center;justify-content:center;padding:6px 12px;border-radius:999px;font-size:12px;font-weight:800;min-width:70px}
.badge-success{background:#dff4e7;color:var(--sm-success)}
.badge-danger{background:#fde1e4;color:var(--sm-danger)}
.table{width:100%;border-collapse:collapse}
.table td{padding:12px 0;border-bottom:1px solid var(--sm-border);vertical-align:top}
.table tr:last-child td{border-bottom:none}
.status-cell{text-align:right}
.list{margin:0;padding-left:20px}
.check-list li{margin-bottom:10px}
.form-actions{display:flex;justify-content:flex-end}
.stats-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:22px 0}
.stat-card{border-radius:20px;padding:22px;background:linear-gradient(180deg,#ffffff 0%,#f6faff 100%)}
.stat-icon{font-size:26px;display:block;margin-bottom:10px}
.stat-label{display:block;color:var(--sm-muted);margin-bottom:6px;font-size:.92rem}
.hero-panel{border-radius:24px;padding:26px;display:flex;justify-content:space-between;align-items:center;gap:18px;background:linear-gradient(135deg,#ffffff 0%,#eef5ff 100%)}
.hero-panel h2{margin:0 0 8px;font-size:clamp(1.35rem,2.2vw,2rem)}
.hero-panel p{margin:0;color:var(--sm-muted);line-height:1.7;max-width:760px}
.hero-badge{padding:10px 16px;border-radius:999px;background:#e6f1ff;color:var(--sm-primary);font-weight:800;white-space:nowrap}
.small-muted{color:var(--sm-muted);font-size:12px;margin-top:4px}
.compact-alert{margin-top:16px;margin-bottom:0}
.installer-top-grid{margin-bottom:20px}
.installer-shell{max-width:980px}
@media (max-width:1100px){
  .guest-wrapper{grid-template-columns:1fr;min-height:auto}
  .guest-content{align-items:stretch}
  .app-shell{grid-template-columns:1fr}
  .sidebar{position:relative;height:auto;border-radius:0 0 28px 28px}
}
@media (max-width:820px){
  .grid-2,.stats-grid{grid-template-columns:1fr}
  .topbar,.page-content{padding-left:18px;padding-right:18px}
  .topbar{align-items:flex-start;flex-direction:column}
  .hero-panel{flex-direction:column;align-items:flex-start}
}
@media (max-width:560px){
  .guest-body{padding:12px}
  .card,.guest-brand-panel,.sidebar,.topbar,.stat-card,.hero-panel{border-radius:18px}
  .card{padding:18px}
  .guest-brand-panel{padding:22px}
  .sidebar{padding:18px}
  .nav-link{padding:12px}
  .user-pill{width:100%}
  .btn{width:100%}
  .form-actions{justify-content:stretch}
}