/* components.css — nav, buttons, cards, tables, modals, toast, maintenance */

/* ============ Bottom nav ============ */
.bottom{
  position:fixed;
  z-index:20;
  left:50%;
  bottom:0;
  transform:translateX(-50%);
  width:min(var(--app-max),100%);
  height:var(--nav-h);
  background:color-mix(in srgb,var(--bg) 96%,transparent);
  backdrop-filter:saturate(140%) blur(8px);
  -webkit-backdrop-filter:saturate(140%) blur(8px);
  border-top:1px solid var(--line);
  display:grid;
  grid-template-columns:repeat(5,1fr);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -4px 15px rgba(0,0,0,.04);
}
.nav{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  color:var(--muted);
  font-size:11.5px;
  font-weight:500;
  transition:color var(--t-fast),transform var(--t-fast);
}
.nav:active{transform:scale(.92)}
.nav svg{width:24px;height:24px}
.nav.active{color:var(--blue);font-weight:700}

/* ============ Section headers ============ */
.section-head{
  height:42px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
}
.section-title{
  font-size:16px;
  font-weight:800;
  display:flex;
  align-items:center;
  gap:8px;
}
.section-title::before{
  content:"";
  width:4px;height:18px;border-radius:3px;background:var(--blue);
}
.more-link{
  font-size:13px;
  font-weight:600;
  color:var(--muted);
  display:inline-flex;
  align-items:center;
  gap:4px;
}
.more-link svg{width:16px;height:16px}

/* ============ Divider ============ */
.divider{
  height:8px;
  background:var(--bg-soft);
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
  margin:8px 0;
}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 20px;
  border-radius:var(--radius);
  font-size:15px;
  font-weight:700;
  transition:transform var(--t-fast),background var(--t-fast),filter var(--t-fast);
  user-select:none;
}
.btn:active{transform:scale(.97)}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 4px 14px rgba(8,120,232,.3)}
.btn-primary:hover{background:var(--blue-2)}
.btn-block{width:100%}
.btn-lg{height:54px;font-size:17px;border-radius:var(--radius-lg)}

/* ============ Cards ============ */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
}

/* ============ Toast ============ */
.toast{
  position:fixed;
  left:50%;
  bottom:calc(var(--nav-h) + 20px);
  transform:translateX(-50%) translateY(10px);
  background:#111;
  color:#fff;
  padding:10px 16px;
  border-radius:10px;
  font-size:13.5px;
  font-weight:600;
  opacity:0;
  pointer-events:none;
  transition:opacity var(--t-med),transform var(--t-med);
  z-index:60;
  max-width:calc(100% - 32px);
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ============ Tables ============ */
.tbl{
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  overflow:hidden;
}
.tbl table{
  width:100%;
  border-collapse:collapse;
  table-layout:fixed;
  font-size:12px;
}
.tbl th,.tbl td{
  border-right:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
  padding:8px 6px;
  text-align:center;
  overflow-wrap:anywhere;
}
.tbl th:last-child,.tbl td:last-child{border-right:0}
.tbl tr:last-child td{border-bottom:0}
.tbl th{background:var(--bg-soft);font-weight:700;color:var(--text-2)}

/* ============ Modal ============ */
.modal-bg{
  position:fixed;inset:0;z-index:80;
  background:rgba(15,23,42,.5);
  display:grid;place-items:center;
  padding:20px;
  opacity:0;visibility:hidden;
  transition:opacity var(--t-med),visibility var(--t-med);
}
.modal-bg.show{opacity:1;visibility:visible}
.modal{
  width:min(340px,100%);
  background:var(--surface);
  border-radius:var(--radius-lg);
  padding:20px 18px 18px;
  box-shadow:var(--shadow-lg);
  text-align:center;
}

/* ============ Skeleton loader ============ */
.skeleton{
  background:linear-gradient(90deg,var(--line-soft) 25%,var(--line) 37%,var(--line-soft) 63%);
  background-size:400% 100%;
  animation:sk 1.4s ease infinite;
  border-radius:6px;
}
@keyframes sk{0%{background-position:100% 0}100%{background-position:0 0}}

/* ============ Maintenance mode overlay ============ */
.maintenance-screen{
  position:fixed;inset:0;z-index:200;
  display:grid;place-items:center;padding:24px;
  background:linear-gradient(160deg,#0f172a,#1a2440);
  color:#fff;text-align:center;
}
.maintenance-inner{max-width:440px}
.maintenance-icon{
  width:80px;height:80px;margin:0 auto 20px;
  border-radius:50%;
  background:rgba(255,255,255,.1);
  border:2px solid rgba(255,255,255,.2);
  display:grid;place-items:center;
  animation:mtPulse 2s ease-in-out infinite;
}
.maintenance-icon svg{width:38px;height:38px;stroke:#facc15}
@keyframes mtPulse{
  0%,100%{transform:scale(1);opacity:1}
  50%{transform:scale(1.05);opacity:.85}
}
.maintenance-title{
  font-size:26px;font-weight:800;margin:0 0 12px;
  letter-spacing:-.4px;
}
.maintenance-text{
  font-size:15px;line-height:1.6;
  color:rgba(255,255,255,.75);margin:0 0 24px;
}
.maintenance-badge{
  display:inline-block;
  padding:6px 14px;border-radius:20px;
  background:rgba(250,204,21,.15);
  border:1px solid rgba(250,204,21,.35);
  color:#facc15;font-size:12px;font-weight:800;
  letter-spacing:.5px;text-transform:uppercase;
}
.maintenance-foot{
  font-size:11.5px;color:rgba(255,255,255,.4);
  margin-top:28px;
}
@media (prefers-reduced-motion: reduce){
  .maintenance-icon{animation:none}
}

/* ============ Responsive ============ */
@media (max-width:650px){
  :root{--nav-h:70px}
  .nav{font-size:11px}
  .nav svg{width:22px;height:22px}
  .section-head{height:38px;padding:0 12px}
  .section-title{font-size:15px}
  .maintenance-title{font-size:22px}
  .maintenance-text{font-size:14px}
  .maintenance-icon{width:64px;height:64px;margin-bottom:16px}
  .maintenance-icon svg{width:30px;height:30px}
}
/* ---------- HEADER FIX: solid, always stuck to top ---------- */
.detail-head,
.pay-head,
.page-head,
.header,
.hdr{
  position: sticky !important;
  top: 0 !important;
  z-index: 100 !important;
  background: #ffffff !important;
  -webkit-backdrop-filter: none !important;
  backdrop-filter: none !important;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}