/* Shared page shell / mobile navigation for secondary TechMatrix Arena pages */
.page-shell {
  min-height: 100vh;
  background: linear-gradient(180deg, #f5f8ff 0%, #eef3fa 100%);
  color: #0f172a;
  overflow-x: hidden;
}

.page-shell .topbar,
.dashboard-shell .topbar {
  position: sticky !important;
  top: 0;
  z-index: 5000;
  min-height: 68px;
  padding: 10px clamp(14px, 2.8vw, 30px) !important;
  background: rgba(255,255,255,.94) !important;
  border-bottom: 1px solid rgba(15,23,42,.08) !important;
  box-shadow: 0 8px 28px rgba(15,23,42,.07);
  backdrop-filter: blur(16px);
}

.page-shell .topbar-left,
.page-shell .topbar-right,
.dashboard-shell .topbar-left,
.dashboard-shell .topbar-right {
  min-width: 0;
  display: flex;
  align-items: center;
}

.page-shell .topnav,
.dashboard-shell .topnav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.page-shell .topnav-link,
.dashboard-shell .topnav-link {
  white-space: nowrap;
}

.tm-page-menu {
  position: relative;
  display: none;
  align-items: center;
  gap: 8px;
}

.tm-menu-btn {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  border: 1px solid #dbe5f5;
  background: #fff;
  color: #0f172a;
  font-size: 21px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 5px 18px rgba(15,23,42,.07);
}

.tm-menu-btn:hover { background: #eef4ff; }

.tm-mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(390px, 92vw);
  height: 100dvh;
  z-index: 5100;
  padding: 18px;
  background: rgba(255,255,255,.98);
  border-left: 1px solid #e3eaf4;
  box-shadow: -28px 0 70px rgba(15,23,42,.18);
  transform: translateX(110%);
  transition: transform .22s ease;
  overflow-y: auto;
}

.tm-mobile-drawer.open { transform: translateX(0); }

.tm-mobile-backdrop {
  position: fixed;
  inset: 0;
  z-index: 5050;
  background: rgba(15,23,42,.30);
  opacity: 0;
  visibility: hidden;
  transition: .2s ease;
}

.tm-mobile-backdrop.open { opacity: 1; visibility: visible; }
body.tm-menu-open { overflow: hidden; }

.tm-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid #eef2f7;
}

.tm-drawer-brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.tm-drawer-brand .brand-badge { flex: 0 0 auto; }
.tm-drawer-title { font-size: 12px; font-weight: 900; letter-spacing: .14em; color: #12213d; }
.tm-drawer-sub { margin-top: 2px; color: #64748b; font-size: 12px; }

.tm-drawer-close {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid #dbe5f5;
  background: #fff;
  cursor: pointer;
  font-size: 17px;
}

.tm-drawer-links { display: grid; gap: 8px; padding: 18px 0; }
.tm-drawer-link {
  display: grid;
  grid-template-columns: 40px minmax(0,1fr) auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 13px 12px;
  text-decoration: none;
  border-radius: 15px;
  border: 1px solid transparent;
  background: #f8faff;
  color: #12213d;
}
.tm-drawer-link:hover { border-color: #d8e5ff; background: #f1f6ff; }
.tm-drawer-link.is-active { background: #eaf2ff; border-color: #c9dbff; }
.tm-drawer-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 6px 16px rgba(15,23,42,.07);
}
.tm-drawer-main { font-weight: 800; font-size: 14px; }
.tm-drawer-desc { margin-top: 3px; font-size: 11px; color: #64748b; line-height: 1.35; }
.tm-drawer-arrow { color: #94a3b8; font-size: 20px; }
.tm-drawer-logout { border: 0; color: #b42318; cursor: pointer; text-align: left; }
.tm-drawer-footer { padding-top: 14px; border-top: 1px solid #eef2f7; color: #64748b; font-size: 11px; line-height: 1.5; }

.page-content-shell {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
}

.page-hero-shell {
  margin: 26px 0 20px;
  border-radius: 26px;
  padding: clamp(28px, 5vw, 48px);
  background: linear-gradient(135deg, #0d1b34 0%, #133b7d 100%);
  color: #fff;
  box-shadow: 0 24px 50px rgba(13,27,52,.16);
}

.page-hero-shell h1 { margin: 0; font-size: clamp(28px, 4vw, 44px); line-height: 1.04; }
.page-hero-shell p { max-width: 720px; margin: 10px 0 0; color: #d7e3f8; line-height: 1.65; }

.payment-shell-card,
.sell-shell-card {
  background: rgba(255,255,255,.95);
  border: 1px solid rgba(15,23,42,.07);
  border-radius: 22px;
  box-shadow: 0 16px 40px rgba(15,23,42,.07);
}

@media (max-width: 860px) {
  .page-shell .topnav,
  .dashboard-shell .topnav { display: none !important; }
  .page-shell .topbar,
  .dashboard-shell .topbar { min-height: 64px; padding: 8px 12px !important; }
  .page-shell .topbar-right,
  .dashboard-shell .topbar-right { margin-left: auto; }
  .tm-page-menu { display: inline-flex; }
  .page-shell .topbar-right > .cart-btn { display: none !important; }
  .page-content-shell { width: min(100% - 18px, 720px); }
  .page-hero-shell { margin-top: 14px; border-radius: 20px; padding: 24px 18px; }
}

@media (min-width: 861px) {
  .page-shell .tm-page-menu,
  .dashboard-shell .tm-page-menu { display: none; }
}

@media (max-width: 520px) {
  .page-shell .brand-text,
  .dashboard-shell .brand-text { max-width: 145px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .tm-menu-btn { width: 40px; height: 40px; }
  .page-hero-shell h1 { font-size: 30px; }
  .page-hero-shell p { font-size: 13px; line-height: 1.5; }
}

/* Page-level reset after legacy inline/secondary-page styles */
body.page-shell { margin: 0 !important; padding: 0 !important; }
body.page-shell .container { box-sizing: border-box; }
.payment-page-main { box-sizing: border-box; }