/* === Dashboard Shell (Header + Sidebar) === */
:root{
  --bg:#f7f8fb; --panel:#ffffff; --panel-2:#f3f5f9; --text:#0f172a; --muted:#6b7280;
  --brand:#6c5ce7; --brand-2:#a78bfa; --ring:rgba(108,92,231,.35); --border:#e5e7eb;
  --shadow:0 10px 25px rgba(2,6,23,.06), 0 2px 8px rgba(2,6,23,.04);
  --radius:16px; --sidebar-w:280px; --topbar-h:64px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{left:16px;top:16px;width:auto;height:auto;padding:8px 12px;background:#000;color:#fff;border-radius:8px;z-index:9999}

/* Shell */
.navshell{position:sticky;top:0;z-index:100}
.topbar{position:sticky;top:0;z-index:100;height:var(--topbar-h);display:flex;align-items:center;gap:16px;padding:0 16px;background:linear-gradient(180deg,var(--panel),var(--panel-2));border-bottom:1px solid var(--border);box-shadow:var(--shadow)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.2px}
.brand-logo{width:32px;height:32px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border-radius:12px}
.brand-text{font-size:16px;white-space:nowrap}
.iconbtn{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:var(--panel);cursor:pointer;transition:transform .15s ease,box-shadow .2s ease}
.iconbtn:hover{box-shadow:0 6px 16px rgba(2,6,23,.08)}
.iconbtn:active{transform:translateY(1px)}
.search{flex:1 1 auto;max-width:640px;display:flex;align-items:center;gap:8px;padding:8px 8px 8px 12px;background:var(--panel);border:1px solid var(--border);border-radius:14px;box-shadow:inset 0 1px 0 rgba(255,255,255,.6)}
.search input{flex:1;border:0;outline:0;background:transparent;font-size:14px;color:var(--text)}
.top-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.badge{position:absolute;transform:translate(10px,-10px);display:inline-grid;place-items:center;min-width:18px;height:18px;padding:0 5px;background:#ef4444;color:#fff;font-size:11px;border-radius:10px;border:2px solid var(--panel)}

/* User menu */
.user-menu{position:relative}
.userbtn{display:flex;align-items:center;gap:10px;padding:6px 10px;border-radius:14px;background:var(--panel);border:1px solid var(--border);cursor:pointer}
.userbtn img{width:28px;height:28px;border-radius:50%}
.user-name{font-size:14px;color:var(--text);display:none}
.user-menu .menu{position:absolute;right:0;top:calc(100% + 10px);width:220px;padding:8px;margin:0;list-style:none;background:var(--panel);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);display:none}
.user-menu .menu a{display:block;padding:10px 10px;border-radius:10px;color:var(--text);font-size:14px}
.user-menu .menu a:hover{background:var(--panel-2)}

/* Sidebar */
.sidebar{position:fixed;inset:var(--topbar-h) auto 0 0;width:var(--sidebar-w);transform:translateX(-100%);transition:transform .25s ease;background:var(--panel);border-right:1px solid var(--border);box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:space-between}
.sidebar.open{transform:translateX(0)}
.nav{padding:16px;display:flex;flex-direction:column;gap:6px}
.nav-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;color:#111827;background:transparent;border:1px solid transparent;transition:background .15s ease,border-color .15s ease,transform .1s}
.nav-item:hover{background:var(--panel-2)}
.nav-item:active{transform:translateY(1px)}
.nav-item.active{background:linear-gradient(135deg,#ede9fe,#e0e7ff);border-color:#ddd6fe}
.nav-ico{width:24px;height:24px;display:grid;place-items:center;color:#4f46e5}
.nav-text{font-size:14px}
.nav-group .submenu{display:none;flex-direction:column;gap:6px;padding-left:44px;padding-top:6px}
.nav-group[aria-expanded="true"] .submenu{display:flex}
.nav-item.has-caret{justify-content:space-between}
.nav-item.has-caret .nav-text{flex:1}
.nav-item.has-caret .caret{transition:transform .2s ease}
.nav-group[aria-expanded="true"] .caret{transform:rotate(180deg)}
.sidebar-footer{padding:16px;border-top:1px solid var(--border);background:linear-gradient(180deg,var(--panel),var(--panel-2))}
.quota{display:flex;flex-direction:column;gap:8px;font-size:12px;color:var(--muted)}
.bar{height:8px;border-radius:8px;background:#e5e7eb;overflow:hidden}
.bar span{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.cta{display:block;text-align:center;margin-top:10px;padding:10px 12px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:600;box-shadow:var(--shadow)}

/* Page area */
.page{padding:20px;min-height:calc(100dvh - var(--topbar-h))}

/* Desktop layout */
@media (min-width:1024px){
  .user-name{display:inline}
  .sidebar{transform:none}
  .sidebar.open{transform:none}
  .page{margin-left:var(--sidebar-w)}
  .topbar{gap:20px;padding:0 24px}
  #btnSidebar{display:none}
  .brand-text{font-size:18px}
  .userbtn{padding:6px 12px}
}

/* Motion respect */
@media (prefers-reduced-motion:reduce){
  .iconbtn,.nav-item,.sidebar{transition:none!important}
}

/* For login page only */
.login-page {
  display: flex;
  flex-direction: column;
  justify-content: center; /* vertically center form */
  align-items: center;
  min-height: calc(100vh - 80px); /* full height minus footer */
  padding: 20px;
}

.login-form {
  max-width: 400px;
  width: 100%;
  background: var(--panel);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.site-footer {
  margin-top: auto; /* stick footer right after content */
}