/* ==========================================================================
   App shell — Center, Buyer and Admin share one chrome.
   Role identity is expressed only by the sidebar accent + role chip,
   never by a different layout or a different component language.
   ========================================================================== */

body.app {
  background: var(--surface-2);
  min-height: 100vh;
}

/* Explicit placement so injected siblings (scrim, modals, stray nodes) can
   never displace the two real columns. */
.shell { display: grid; grid-template-columns: var(--sidebar-w) minmax(0, 1fr); min-height: 100vh; }
.shell > .side { grid-column: 1; grid-row: 1; }
.shell > .main { grid-column: 2; grid-row: 1; }
@media (max-width: 1023px) {
  .shell { grid-template-columns: minmax(0, 1fr); }
  .shell > .main { grid-column: 1; }
}

/* --------------------------------------------------------------------------
   Sidebar
   -------------------------------------------------------------------------- */
.side {
  background: linear-gradient(178deg, var(--navy-900) 0%, #0a1020 62%, #080d18 100%);
  color: #fff; display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh; z-index: var(--z-sticky);
  border-right: 1px solid rgba(255,255,255,0.06);
}
.side::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(400px 260px at 0% 0%, rgba(37,99,235,0.20), transparent 66%);
}
.side > * { position: relative; }

.side__logo {
  height: var(--topbar-h); display: flex; align-items: center; gap: 10px;
  padding-inline: var(--s-5); border-bottom: 1px solid rgba(255,255,255,0.07); flex: none;
}
.side__logo img { height: 26px; width: auto; }

.side__role {
  margin: var(--s-4) var(--s-4) var(--s-2);
  padding: 11px 13px; border-radius: var(--r-md);
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.09);
  display: flex; align-items: center; gap: 10px;
}
.side__role-ico { width: 30px; height: 30px; border-radius: var(--r-sm); display: grid; place-items: center; flex: none;
  background: linear-gradient(145deg, var(--blue-500), var(--blue-800)); color: #fff; }
.side__role-ico svg { width: 15px; height: 15px; }
.side__role--buyer .side__role-ico { background: linear-gradient(145deg, #a78bfa, #6d28d9); }
.side__role--admin .side__role-ico { background: linear-gradient(145deg, var(--brand-red-light), var(--brand-red-deep)); }
.side__role-label {
  display: block; font-size: 10px; font-weight: 700; letter-spacing: var(--tr-caps);
  text-transform: uppercase; color: rgba(255,255,255,0.5);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.side__role-name { font-size: var(--fs-sm); font-weight: 700; color: #fff; line-height: 1.25;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.side__nav { flex: 1; overflow-y: auto; padding: var(--s-3) var(--s-3) var(--s-6); scrollbar-width: thin; }
.side__nav::-webkit-scrollbar { width: 5px; }
.side__nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.14); border-radius: 3px; }
.side__group {
  font-size: 10px; font-weight: 700; letter-spacing: var(--tr-caps); text-transform: uppercase;
  color: rgba(255,255,255,0.38); padding: var(--s-5) 13px var(--s-2);
}
.side__link {
  display: flex; align-items: center; gap: 11px; padding: 9px 13px; border-radius: var(--r-sm);
  font-size: var(--fs-base); font-weight: 550; color: rgba(255,255,255,0.72);
  transition: background-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
  position: relative;
}
.side__link svg { width: 17px; height: 17px; flex: none; opacity: 0.85; }
.side__link:hover { background: rgba(255,255,255,0.07); color: #fff; }
.side__link.is-on { background: rgba(37, 99, 235, 0.22); color: #fff; font-weight: 650; }
.side__link.is-on::before {
  content: ""; position: absolute; left: -13px; top: 8px; bottom: 8px; width: 3px;
  background: var(--blue-400); border-radius: 0 3px 3px 0;
}
.side--admin .side__link.is-on { background: rgba(224, 43, 24, 0.2); }
.side--admin .side__link.is-on::before { background: var(--brand-red-light); }
.side--buyer .side__link.is-on { background: rgba(124, 58, 237, 0.22); }
.side--buyer .side__link.is-on::before { background: #a78bfa; }
.side__badge {
  margin-left: auto; font-size: 10px; font-weight: 700; padding: 2px 7px; border-radius: var(--r-full);
  background: var(--red-600); color: #fff; font-variant-numeric: tabular-nums;
}
.side__badge--neutral { background: rgba(255,255,255,0.16); }

.side__foot { padding: var(--s-4); border-top: 1px solid rgba(255,255,255,0.07); flex: none; }
.side__am {
  display: flex; align-items: center; gap: 10px; padding: 11px; border-radius: var(--r-md);
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08);
  transition: background-color var(--t) var(--ease);
}
.side__am:hover { background: rgba(255,255,255,0.09); }
.side__am-name { font-size: var(--fs-sm); font-weight: 650; color: #fff; }
.side__am-role { font-size: 10px; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 650; }

/* The scrim only exists on mobile — it must never occupy a grid cell on desktop. */
.side-scrim { display: none; }

/* Mobile sidebar */
@media (max-width: 1023px) {
  .side-scrim { display: block; }
  .side {
    position: fixed; top: 0; left: 0; bottom: 0; width: min(280px, 84vw);
    transform: translateX(-100%); transition: transform var(--t-slow) var(--ease-out);
    z-index: var(--z-drawer); height: 100dvh; box-shadow: var(--sh-xl);
  }
  .side.is-open { transform: translateX(0); }
  .side-scrim {
    position: fixed; inset: 0; background: rgba(11,19,36,0.45); backdrop-filter: blur(2px);
    z-index: calc(var(--z-drawer) - 1); opacity: 0; pointer-events: none; transition: opacity var(--t) var(--ease);
  }
  .side-scrim.is-open { opacity: 1; pointer-events: auto; }
}

/* --------------------------------------------------------------------------
   Main column + topbar
   -------------------------------------------------------------------------- */
.main { display: flex; flex-direction: column; min-width: 0; }

.topbar {
  height: var(--topbar-h); flex: none; position: sticky; top: 0; z-index: calc(var(--z-sticky) - 1);
  background: rgba(255,255,255,0.88); backdrop-filter: blur(14px) saturate(1.5);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: var(--s-4); padding-inline: var(--s-6);
}
@media (max-width: 640px) { .topbar { padding-inline: var(--s-4); } }
.topbar__menu {
  display: none; width: 38px; height: 38px; border-radius: var(--r-sm);
  border: 1px solid var(--border-strong); background: #fff; cursor: pointer; place-items: center;
}
@media (max-width: 1023px) { .topbar__menu { display: grid; } }
.topbar__menu svg { width: 19px; height: 19px; }

.topbar__title { font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 700;
  letter-spacing: var(--tr-snug); color: var(--navy-900); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar__crumb { font-size: var(--fs-xs); color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
.topbar__crumb svg { width: 11px; height: 11px; }
.topbar__actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.topbar__search {
  position: relative; width: 300px;
}
@media (max-width: 1240px) { .topbar__search { width: 200px; } }
@media (max-width: 900px) { .topbar__search { display: none; } }
.topbar__search .input { padding-left: 36px; padding-block: 8px; font-size: var(--fs-sm); background: var(--surface-2); }
.topbar__search svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  width: 15px; height: 15px; color: var(--text-subtle); }
.topbar__kbd {
  position: absolute; right: 9px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-mono); font-size: 10px; color: var(--text-subtle);
  border: 1px solid var(--border); border-radius: 4px; padding: 1px 5px; background: #fff;
}

.icon-btn {
  width: 38px; height: 38px; border-radius: var(--r-sm); border: 1px solid var(--border);
  background: #fff; display: grid; place-items: center; cursor: pointer; position: relative;
  color: var(--slate-600); transition: all var(--t) var(--ease);
}
.icon-btn:hover { border-color: var(--border-strong); color: var(--navy-900); background: var(--surface-2); }
.icon-btn svg { width: 18px; height: 18px; }
.icon-btn__dot {
  position: absolute; top: 7px; right: 8px; width: 7px; height: 7px; border-radius: 50%;
  background: var(--red-600); border: 1.5px solid #fff;
}

.user-chip {
  display: flex; align-items: center; gap: 9px; padding: 5px 11px 5px 5px;
  border-radius: var(--r-full); border: 1px solid var(--border); background: #fff; cursor: pointer;
  transition: all var(--t) var(--ease);
  text-decoration: none; color: inherit;
}
.user-chip:hover { border-color: var(--border-strong); background: var(--surface-2); }
.user-chip__name { font-size: var(--fs-sm); font-weight: 650; color: var(--navy-900); }
@media (max-width: 720px) { .user-chip__name { display: none; } }

/* --------------------------------------------------------------------------
   Page content
   -------------------------------------------------------------------------- */
.page-body { padding: var(--s-6); flex: 1; max-width: var(--container-wide); width: 100%; }
@media (max-width: 640px) { .page-body { padding: var(--s-4); } }
.page-body--narrow { max-width: 980px; }
.page-body--form { max-width: 860px; }

.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--s-4); flex-wrap: wrap; margin-bottom: var(--s-6); }
.page-head h1 { font-size: clamp(1.5rem, 1.2rem + 1vw, 1.875rem); letter-spacing: var(--tr-tight); }
.page-head__sub { font-size: var(--fs-base); color: var(--text-muted); margin-top: 5px; max-width: 68ch; }
.page-head__actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* Toolbar above tables */
.toolbar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: var(--s-4); background: #fff; border: 1px solid var(--border);
  border-radius: var(--r-lg) var(--r-lg) 0 0; border-bottom: none;
}
.toolbar__search { position: relative; flex: 1; min-width: 200px; max-width: 340px; }
.toolbar__search .input { padding-left: 36px; padding-block: 8px; font-size: var(--fs-sm); }
.toolbar__search svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 15px; height: 15px; color: var(--text-subtle); }
.table-card { background: #fff; border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--sh-sm); }
.table-card .toolbar { border-radius: 0; border: none; border-bottom: 1px solid var(--border); }
.table-foot {
  padding: 12px var(--s-4); border-top: 1px solid var(--border-soft); background: var(--surface-2);
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-4); flex-wrap: wrap;
  font-size: var(--fs-sm); color: var(--text-muted);
}
.pager { display: flex; gap: 4px; }
.pager button {
  min-width: 32px; height: 32px; padding: 0 9px; border-radius: var(--r-sm);
  border: 1px solid var(--border); background: #fff; font-size: var(--fs-sm); font-weight: 600;
  color: var(--slate-600); cursor: pointer;
}
.pager button:hover { border-color: var(--blue-300); color: var(--blue-700); }
.pager button.is-on { background: var(--blue-600); border-color: var(--blue-600); color: #fff; }

/* Dashboard sub-grids */
/* Breakpoint accounts for the 248px sidebar + page padding, not just viewport. */
.dash-grid { display: grid; grid-template-columns: minmax(0, 1fr) 356px; gap: var(--s-5); align-items: start; }
@media (max-width: 1340px) { .dash-grid { grid-template-columns: minmax(0, 1fr); } }
.stat-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s-4); }
@media (max-width: 1100px) { .stat-row { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .stat-row { grid-template-columns: minmax(0, 1fr); } }
.stat-row--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
@media (max-width: 1300px) { .stat-row--5 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 760px) { .stat-row--5 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.stat-row--6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
@media (max-width: 1300px) { .stat-row--6 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 760px) { .stat-row--6 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* Sticky action footer used in wizards */
.wizard-foot {
  position: sticky; bottom: 0; z-index: 5;
  background: rgba(255,255,255,0.93); backdrop-filter: blur(12px);
  border-top: 1px solid var(--border); padding: var(--s-4) var(--s-6);
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-4); flex-wrap: wrap;
  margin-inline: calc(var(--s-6) * -1); margin-top: var(--s-8);
}
@media (max-width: 640px) {
  .wizard-foot { margin-inline: calc(var(--s-4) * -1); padding: var(--s-3) var(--s-4); }
  .wizard-foot .btn { flex: 1; }
}

/* Auth / onboarding split layout (used by register + login screens) */
.auth { display: grid; grid-template-columns: minmax(0, 1fr) 460px; min-height: 100vh; }
@media (max-width: 1080px) { .auth { grid-template-columns: minmax(0, 1fr); } }
.auth__form { padding: clamp(24px, 4vw, 56px); display: flex; flex-direction: column; }
.auth__form-inner { width: 100%; max-width: 620px; margin-inline: auto; flex: 1; display: flex; flex-direction: column; justify-content: center; }
.auth__aside {
  position: relative; overflow: hidden; padding: clamp(28px, 3.4vw, 52px);
  display: flex; flex-direction: column; justify-content: center; gap: var(--s-6);
}
@media (max-width: 1080px) { .auth__aside { display: none; } }
.auth__aside-card {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--r-lg); padding: var(--s-5); backdrop-filter: blur(10px);
}

/* Live console (campaign active) */
.console-metric {
  padding: var(--s-4); border-radius: var(--r-md); background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
}
.console-metric__v { font-family: var(--font-display); font-size: var(--fs-3xl); font-weight: 800;
  color: #fff; letter-spacing: var(--tr-tight); font-variant-numeric: tabular-nums; line-height: 1.05; }
.console-metric__k { font-size: var(--fs-2xs); font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; color: rgba(255,255,255,0.55); margin-bottom: 5px; }

/* Queue / priority list (admin) */
.queue-item {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: var(--s-4); align-items: center;
  padding: var(--s-4); border-bottom: 1px solid var(--border-soft);
  transition: background-color var(--t-fast) var(--ease);
}
.queue-item:last-child { border-bottom: none; }
.queue-item:hover { background: var(--surface-inset); }
.queue-item__score {
  width: 52px; height: 52px; border-radius: var(--r-md); display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 800; font-size: var(--fs-lg);
  font-variant-numeric: tabular-nums; flex: none;
}
.queue-item__score--high { background: var(--ok-50); color: var(--ok-700); border: 1px solid #a7f3d0; }
.queue-item__score--mid { background: var(--blue-50); color: var(--blue-700); border: 1px solid var(--blue-100); }
.queue-item__score--low { background: var(--slate-100); color: var(--slate-500); border: 1px solid var(--slate-200); }
@media (max-width: 640px) {
  .queue-item { grid-template-columns: auto minmax(0, 1fr); }
  .queue-item > .queue-actions { grid-column: 1 / -1; }
}

/* Risk severity strip */
.risk-item { display: grid; grid-template-columns: 4px minmax(0,1fr); gap: 0; border-radius: var(--r-md); overflow: hidden;
  border: 1px solid var(--border); background: #fff; }
.risk-item__bar { background: var(--slate-300); }
.risk-item--critical .risk-item__bar { background: var(--risk-600); }
.risk-item--high .risk-item__bar { background: var(--red-600); }
.risk-item--medium .risk-item__bar { background: var(--warn-500); }
.risk-item--low .risk-item__bar { background: var(--blue-500); }
.risk-item__body { padding: var(--s-4); }

/* Evidence block used in fraud investigation */
/* .evidence now lives in components.css — it is used on the public
   How It Works page as well as the admin surfaces. */

/* Split view used by admin detail screens */
.split { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: var(--s-5); align-items: start; }
@media (max-width: 1180px) { .split { grid-template-columns: minmax(0, 1fr); } }
.split--wide-aside { grid-template-columns: minmax(0, 1fr) 400px; }
@media (max-width: 1180px) { .split--wide-aside { grid-template-columns: minmax(0, 1fr); } }

.sticky-aside { position: sticky; top: calc(var(--topbar-h) + var(--s-5)); }
@media (max-width: 1180px) { .sticky-aside { position: static; } }

/* Prototype banner — marks these as design screens, not a live build */
.proto-bar {
  background: var(--navy-900); color: #fff; font-size: var(--fs-xs); padding: 7px var(--s-5);
  display: flex; align-items: center; gap: 10px; justify-content: center; flex-wrap: wrap;
}
.proto-bar a { color: var(--blue-300); font-weight: 650; }
.proto-bar__tag {
  background: var(--red-600); padding: 2px 8px; border-radius: var(--r-full);
  font-weight: 700; font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase;
}