/* ============================================================================
   admin.css — sticky topbar (no sidebar), content frame, mobile sheet
   ============================================================================ */

.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---------- Topbar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg-glass);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-glass);
}
.topbar-inner {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  height: var(--topbar-h);
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

/* Brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-md);
  color: var(--text-strong);
  letter-spacing: -0.01em;
  flex-shrink: 0;
  padding: var(--sp-1) var(--sp-2);
  margin-left: calc(var(--sp-2) * -1);
  border-radius: var(--r-sm);
  transition: background var(--t-fast) var(--ease-out);
}
.brand:hover { background: var(--surface-hover); color: var(--text-strong); }
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: var(--r-sm);
  background: var(--accent-grad);
  color: #fff;
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, .2);
}
.brand-mark .icon { width: 14px; height: 14px; }
.brand-name { letter-spacing: -0.01em; }

/* Hamburger (mobile only) */
.hamburger {
  display: none;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  color: var(--text);
  transition: background var(--t-fast) var(--ease-out);
  margin-right: calc(var(--sp-2) * -1);
}
.hamburger:hover { background: var(--surface-hover); }
.hamburger .icon { width: 20px; height: 20px; }

/* Primary nav (inline links) */
.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  list-style: none;
  margin: 0 0 0 var(--sp-4);
  padding: 0;
}
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  height: 34px;
  padding: 0 var(--sp-3);
  border-radius: var(--r-sm);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--text-muted);
  transition: background var(--t-fast) var(--ease-out),
              color var(--t-fast) var(--ease-out);
  cursor: pointer;
  user-select: none;
}
.nav-link:hover { background: var(--surface-hover); color: var(--text); }
.nav-link .icon { width: 15px; height: 15px; opacity: .85; }
.nav-link .chev { width: 13px; height: 13px; opacity: .7; transition: transform var(--t-fast) var(--ease-out); }
.nav-link[aria-expanded='true'] .chev { transform: rotate(180deg); }
.nav-link.is-active {
  color: var(--text-strong);
  background: linear-gradient(135deg, var(--tab-grad-from), var(--tab-grad-to));
}
.nav-link.is-active::after {
  content: '';
  position: absolute;
  left: var(--sp-3);
  right: var(--sp-3);
  bottom: -19px;
  height: 2px;
  background: var(--accent-grad);
  border-radius: var(--r-pill);
}

/* Topbar right cluster */
.topbar-spacer { flex: 1; }
.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-shrink: 0;
}
.topbar-search {
  width: 280px;
  max-width: 28vw;
}
.topbar-search .input { height: 34px; font-size: var(--fs-sm); border-radius: var(--r-md); }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--r-sm);
  color: var(--text-muted);
  transition: background var(--t-fast) var(--ease-out),
              color var(--t-fast) var(--ease-out);
}
.icon-btn:hover { background: var(--surface-hover); color: var(--text); }
.icon-btn .icon { width: 18px; height: 18px; }
.icon-btn.has-dot { position: relative; }
.icon-btn.has-dot::after {
  content: '';
  position: absolute;
  top: 8px;
  right: 9px;
  width: 6px;
  height: 6px;
  background: var(--danger);
  border-radius: 999px;
  border: 2px solid var(--bg-glass);
}

/* Profile menu trigger */
.profile-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  height: 34px;
  padding: 0 var(--sp-2) 0 4px;
  border-radius: var(--r-pill);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: background var(--t-fast) var(--ease-out),
              border-color var(--t-fast) var(--ease-out);
}
.profile-btn:hover { background: var(--surface-hover); border-color: var(--border-strong); }
.profile-btn .avatar { width: 26px; height: 26px; }
.profile-btn .name {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--text);
  max-width: 12ch;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.profile-btn .chev { width: 14px; height: 14px; color: var(--text-muted); }

/* ---------- Manage popover (two-column) ---------- */
.popover.popover-mega {
  width: 520px;
  padding: var(--sp-4);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2) var(--sp-4);
}
.popover-mega .menu-label { padding-left: var(--sp-2); }
.popover-mega .menu { gap: 0; }
.popover-mega .menu-item {
  align-items: flex-start;
  padding: var(--sp-2) var(--sp-2);
  gap: var(--sp-3);
  border-radius: var(--r-sm);
}
.popover-mega .menu-item .icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: var(--r-sm);
  background: var(--accent-soft);
  color: var(--accent);
  flex-shrink: 0;
}
.popover-mega .menu-item .icon-wrap .icon { width: 15px; height: 15px; }
.popover-mega .menu-item .text-wrap { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.popover-mega .menu-item .text-wrap .label {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--text-strong);
}
.popover-mega .menu-item .text-wrap .desc {
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

/* ---------- Subnav strip ---------- */
.subnav {
  border-top: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, transparent, var(--tab-grad-from) 80%);
}
.subnav-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--sp-6);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  height: var(--subnav-h);
}

/* ---------- Mobile nav sheet ---------- */
.mobile-sheet {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 70;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  transform: translateY(-100%);
  transition: transform var(--t-std) var(--ease-out);
  max-height: 100vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}
.mobile-sheet.is-open { transform: translateY(0); }
.mobile-sheet-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--topbar-h);
  padding: 0 var(--sp-5);
  border-bottom: 1px solid var(--border-subtle);
}
.mobile-sheet-body {
  padding: var(--sp-4) var(--sp-3) var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.mobile-sheet-group { display: flex; flex-direction: column; }
.mobile-sheet-group-label {
  padding: var(--sp-3) var(--sp-2) var(--sp-2);
  font-size: 11px;
  font-weight: var(--fw-semibold);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-subtle);
}
.mobile-link {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-3);
  border-radius: var(--r-md);
  font-size: var(--fs-md);
  color: var(--text);
  transition: background var(--t-fast) var(--ease-out);
}
.mobile-link:hover, .mobile-link.is-active {
  background: var(--surface-hover);
  color: var(--text-strong);
}
.mobile-link .icon { width: 18px; height: 18px; color: var(--text-muted); }
.mobile-link.is-active .icon { color: var(--accent); }
.sheet-backdrop {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  z-index: 65;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-std) var(--ease-out);
}
.sheet-backdrop.is-open { opacity: 1; pointer-events: auto; }

/* ---------- Content frame ---------- */
.content {
  flex: 1;
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--sp-8) var(--sp-6) var(--sp-12);
}

/* ---------- Grid utilities ---------- */
.grid { display: grid; gap: var(--sp-4); }
.grid-12 { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--sp-4); }
.grid-cards-4 { display: grid; gap: var(--sp-4); grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cards-2 { display: grid; gap: var(--sp-4); grid-template-columns: repeat(2, minmax(0, 1fr)); }
.col-span-1 { grid-column: span 1; }
.col-span-2 { grid-column: span 2; }
.col-span-3 { grid-column: span 3; }
.col-span-4 { grid-column: span 4; }
.col-span-5 { grid-column: span 5; }
.col-span-6 { grid-column: span 6; }
.col-span-7 { grid-column: span 7; }
.col-span-8 { grid-column: span 8; }
.col-span-9 { grid-column: span 9; }
.col-span-10 { grid-column: span 10; }
.col-span-11 { grid-column: span 11; }
.col-span-12 { grid-column: span 12; }

.stack { display: flex; flex-direction: column; }
.row { display: flex; align-items: center; }
.gap-1 { gap: var(--sp-1); } .gap-2 { gap: var(--sp-2); } .gap-3 { gap: var(--sp-3); }
.gap-4 { gap: var(--sp-4); } .gap-6 { gap: var(--sp-6); } .gap-8 { gap: var(--sp-8); }

/* ---------- Section grid: 4-up KPIs collapse responsively ---------- */
@media (max-width: 1280px) {
  .topbar-search { width: 240px; }
}
@media (max-width: 1024px) {
  .grid-cards-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .col-span-4-md-6 { grid-column: span 6 !important; }
  .col-span-7, .col-span-8 { grid-column: span 12; }
  .col-span-3, .col-span-4, .col-span-5 { grid-column: span 6; }
  .topbar-search { width: 200px; }
}
@media (max-width: 768px) {
  .topbar-inner { padding: 0 var(--sp-4); gap: var(--sp-2); }
  .primary-nav { display: none; }
  .topbar-search { display: none; }
  .icon-btn[data-mobile-hide], .profile-btn .name { display: none; }
  .hamburger { display: inline-flex; }
  .grid-cards-4 { grid-template-columns: 1fr; }
  .grid-cards-2 { grid-template-columns: 1fr; }
  .col-span-3, .col-span-4, .col-span-5, .col-span-6, .col-span-7, .col-span-8, .col-span-9 { grid-column: span 12; }
  .content { padding: var(--sp-6) var(--sp-4) var(--sp-10); }
  .greeting-title { font-size: var(--fs-2xl); }
}
@media (min-width: 769px) {
  .mobile-only { display: none !important; }
}
@media (max-width: 768px) {
  .desktop-only { display: none !important; }
}

/* ---------- Public splash chrome (when _Layout is used) ---------- */
.public-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-8) var(--sp-4);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(139, 92, 246, .12), transparent 60%),
    radial-gradient(800px 400px at 10% 110%, rgba(99, 102, 241, .12), transparent 60%),
    var(--bg);
}
.public-card {
  width: 100%;
  max-width: 560px;
  padding: var(--sp-10);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

/* ---------- Legal pages (privacy policy, terms, account deletion) ---------- */
.legal-body {
  min-height: 100vh;
  display: block;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(139, 92, 246, .12), transparent 60%),
    radial-gradient(800px 400px at 10% 110%, rgba(99, 102, 241, .12), transparent 60%),
    var(--bg);
}
.legal-shell {
  display: flex;
  justify-content: center;
  padding: var(--sp-10) var(--sp-4);
}
.legal-card {
  width: 100%;
  max-width: 720px;
  padding: var(--sp-10);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg);
  text-align: left;
}
.legal-meta { margin: var(--sp-1) 0 var(--sp-6); }
.legal-card h2 {
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  color: var(--text-strong);
  margin: var(--sp-6) 0 var(--sp-2);
}
.legal-card p, .legal-card li { color: var(--text); font-size: var(--fs-md); line-height: 1.65; }
.legal-card ul { padding-left: var(--sp-6); margin: var(--sp-2) 0; }
.legal-card li { margin: var(--sp-1) 0; }
.legal-form { margin-top: var(--sp-6); display: flex; flex-direction: column; gap: var(--sp-4); }
.form-field { display: flex; flex-direction: column; gap: var(--sp-1); }
.form-field label { font-size: var(--fs-sm); font-weight: var(--fw-medium); color: var(--text-strong); }