/* =====================================================================
   App shell — sidebar, top bar, mobile bottom navigation.
   Used by the customer panel (and later the doctor & admin panels).
   ===================================================================== */

.app-shell { display: grid; grid-template-columns: 272px minmax(0, 1fr); min-height: 100vh; }

/* ---------------------------------------------------------------- sidebar */
.sidebar {
  position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: 6px;
  padding: 24px 16px; margin: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.025));
  border-right: 1px solid var(--border);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  overflow-y: auto; z-index: 50;
}
.sidebar .brand { padding: 0 10px 22px; }
.nav-label { font-size: .7rem; text-transform: uppercase; letter-spacing: .14em; color: var(--text-3); font-weight: 700; padding: 14px 14px 6px; }
.nav-link {
  position: relative; display: flex; align-items: center; gap: 13px; padding: 11px 14px; border-radius: 14px;
  color: var(--text-2); font-weight: 600; font-size: .93rem; transition: .2s var(--ease);
}
.nav-link i { width: 20px; text-align: center; font-size: 1rem; color: var(--text-3); transition: .2s; }
.nav-link:hover { background: var(--glass); color: var(--text); }
.nav-link:hover i { color: var(--sun-400); }
.nav-link.active { background: linear-gradient(135deg, rgba(255,190,26,.2), rgba(255,190,26,.06)); color: #fff; box-shadow: inset 0 0 0 1px rgba(255,190,26,.3); }
.nav-link.active i { color: var(--sun-400); }
.nav-link.active::before { content: ''; position: absolute; left: -16px; top: 10px; bottom: 10px; width: 4px; border-radius: 0 4px 4px 0; background: var(--sun-500); }
.nav-link .nav-count { margin-left: auto; font-size: .72rem; font-weight: 700; padding: 2px 8px; border-radius: 99px; background: var(--sun-500); color: var(--text-dark); }

.sidebar-emergency {
  margin-top: auto; display: flex; align-items: center; gap: 12px; padding: 14px; border-radius: 18px;
  background: linear-gradient(135deg, rgba(255,92,108,.25), rgba(255,92,108,.08)); border: 1px solid rgba(255,92,108,.4); color: #fff;
}
.sidebar-emergency:hover { color: #fff; background: linear-gradient(135deg, rgba(255,92,108,.35), rgba(255,92,108,.12)); }
.sidebar-emergency .pulse { width: 40px; height: 40px; flex: 0 0 40px; border-radius: 12px; background: var(--danger); display: grid; place-items: center; animation: pulse 2s infinite; }
.sidebar-emergency strong { display: block; font-size: .92rem; }
.sidebar-emergency small { color: #ffc2c8; font-size: .76rem; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(255,92,108,.6); } 70% { box-shadow: 0 0 0 12px rgba(255,92,108,0); } 100% { box-shadow: 0 0 0 0 rgba(255,92,108,0); } }

.sidebar-user { display: flex; align-items: center; gap: 12px; padding: 12px; margin-top: 12px; border-radius: 16px; background: var(--glass); border: 1px solid var(--border); }
.sidebar-user .grow strong { display: block; font-size: .9rem; }
.sidebar-user .grow small { color: var(--text-3); font-size: .76rem; }

/* ---------------------------------------------------------------- main + topbar */
.main { min-width: 0; display: flex; flex-direction: column; }
.topbar {
  position: sticky; top: 0; z-index: 40; display: flex; align-items: center; gap: 16px;
  padding: 16px 32px; min-height: 76px;
  background: rgba(2, 26, 45, .55); border-bottom: 1px solid var(--border);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
}
.topbar-title h1 { font-size: 1.35rem; margin: 0; }
.topbar-title p { margin: 0; color: var(--text-3); font-size: .84rem; }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.icon-btn {
  position: relative; width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center;
  background: var(--glass); border: 1px solid var(--border); color: var(--text-2); cursor: pointer; transition: .2s; font-size: 1.05rem;
}
.icon-btn:hover { color: #fff; background: var(--glass-2); border-color: var(--border-2); }
.icon-btn .dot-count {
  position: absolute; top: -5px; right: -5px; min-width: 20px; height: 20px; padding: 0 5px; border-radius: 99px;
  background: var(--sun-500); color: var(--text-dark); font-size: .68rem; font-weight: 800; display: grid; place-items: center; border: 2px solid var(--ocean-900);
}
.icon-btn.danger { background: rgba(255,92,108,.15); border-color: rgba(255,92,108,.4); color: #ff9aa4; }
.menu-toggle { display: none; }

.user-menu { position: relative; }
.user-menu-btn { display: flex; align-items: center; gap: 10px; padding: 4px 12px 4px 4px; border-radius: 99px; background: var(--glass); border: 1px solid var(--border); cursor: pointer; color: var(--text); }
.user-menu-btn:hover { background: var(--glass-2); }
.user-menu-btn > span:not(.avatar) { font-weight: 600; font-size: .9rem; }
.dropdown {
  position: absolute; right: 0; top: calc(100% + 10px); min-width: 220px; padding: 8px; border-radius: 18px;
  background: rgba(6, 40, 66, .96); border: 1px solid var(--border-2); box-shadow: var(--shadow); backdrop-filter: var(--blur);
  opacity: 0; visibility: hidden; transform: translateY(-6px); transition: .2s var(--ease); z-index: 60;
}
.dropdown.open { opacity: 1; visibility: visible; transform: none; }
.dropdown a, .dropdown button { display: flex; width: 100%; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 12px; color: var(--text-2); font-weight: 600; font-size: .9rem; background: none; border: 0; cursor: pointer; text-align: left; }
.dropdown a:hover, .dropdown button:hover { background: var(--glass-2); color: #fff; }
.dropdown i { width: 18px; color: var(--text-3); }
.dropdown hr { border: 0; height: 1px; background: var(--border); margin: 6px 0; }

.content { padding: 28px 32px 48px; flex: 1; width: 100%; max-width: 1400px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.page-head h2 { margin: 0; }
.page-head p { margin: 4px 0 0; color: var(--text-3); }

/* ---------------------------------------------------------------- mobile */
.bottom-nav { display: none; }
.emergency-fab { display: none; }
.sidebar-overlay { display: none; }

@media (max-width: 1080px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; left: 0; top: 0; bottom: 0; width: 280px; transform: translateX(-100%); transition: transform .3s var(--ease); background: rgba(3, 30, 52, .97); }
  body.nav-open .sidebar { transform: none; }
  body.nav-open .sidebar-overlay { display: block; position: fixed; inset: 0; background: rgba(0,10,20,.55); z-index: 45; }
  .menu-toggle { display: grid; }
  .topbar { padding: 14px 20px; }
  .content { padding: 22px 20px 110px; }
}
@media (max-width: 640px) {
  .topbar-title p, .user-menu-btn > span:not(.avatar), .topbar .hide-sm { display: none; }
  .topbar-title h1 { font-size: 1.1rem; }
  .user-menu-btn { padding: 3px; }
  .content { padding: 18px 16px 110px; }
  .bottom-nav {
    position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 60; display: grid; grid-template-columns: repeat(5, 1fr);
    padding: 8px; border-radius: 22px; background: rgba(4, 34, 58, .88); border: 1px solid var(--border-2);
    backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); box-shadow: var(--shadow);
  }
  .bottom-nav a { display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 7px 0; border-radius: 14px; color: var(--text-3); font-size: .66rem; font-weight: 700; position: relative; }
  .bottom-nav a i { font-size: 1.1rem; }
  .bottom-nav a.active { color: var(--sun-400); background: rgba(255,190,26,.1); }
  .bottom-nav .dot-count { position: absolute; top: 2px; right: calc(50% - 20px); background: var(--sun-500); color: var(--text-dark); font-size: .6rem; min-width: 16px; height: 16px; border-radius: 99px; display: grid; place-items: center; padding: 0 4px; }
  .emergency-fab {
    display: grid; place-items: center; position: fixed; right: 18px; bottom: 96px; z-index: 59; width: 56px; height: 56px; border-radius: 50%;
    background: linear-gradient(135deg, #ff7381, var(--danger-600)); color: #fff; font-size: 1.3rem; box-shadow: 0 12px 30px -6px rgba(255,92,108,.7); animation: pulse 2s infinite;
  }
  .emergency-fab:hover { color: #fff; }
}