:root {
  --wine: #5c0031;
  --wine-2: #74103f;
  --wine-3: #8a2350;
  --pink: #f4a3e8;
  --red: #d7262b;
  --cream: #f6ece4;
  --muted: #d9b6c8;
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--wine);
  color: var(--cream);
  font-family: 'Archivo', system-ui, sans-serif;
  min-height: 100vh;
}
button, input, select { font: inherit; }
h1, h2, h3 { margin: 0 0 .6rem; letter-spacing: -.02em; }
[hidden] { display: none !important; }

/* ---------- Login ---------- */
.login {
  min-height: 100vh;
  display: grid;
  grid-template-columns: auto minmax(0, 420px);
  gap: 4rem;
  align-items: center;
  justify-content: center;
  padding: 2rem 16px;
}
.brand {
  font-weight: 900;
  font-size: clamp(5rem, 16vw, 12rem);
  line-height: .82;
  color: var(--pink);
  letter-spacing: -.06em;
  margin: 0;
}
.card {
  background: var(--wine-2);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.card.wide { width: 100%; overflow-x: auto; }
#login-form { display: grid; gap: .8rem; }
.eyebrow { text-transform: uppercase; font-size: .75rem; letter-spacing: .12em; color: var(--pink); margin: 0; }
input, select {
  background: var(--cream);
  color: #2a0016;
  border: 0;
  border-radius: 8px;
  padding: .7rem .9rem;
  min-width: 0;
}
.btn {
  background: var(--red);
  color: var(--cream);
  border: 0;
  border-radius: 8px;
  padding: .7rem 1.2rem;
  font-weight: 800;
  cursor: pointer;
}
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.ghost { background: transparent; border: 2px solid var(--pink); color: var(--pink); }
.link { background: none; border: 0; color: var(--pink); cursor: pointer; text-decoration: underline; padding: .3rem; }
.error { color: #ffd0d0; background: #a3141a; padding: .5rem .8rem; border-radius: 6px; margin: 0; }

/* ---------- Top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .8rem 16px;
  border-bottom: 2px solid var(--wine-3);
  flex-wrap: wrap;
}
.logo { font-weight: 900; font-size: 1.6rem; color: var(--pink); letter-spacing: -.05em; }
nav { display: flex; gap: .3rem; flex: 1; flex-wrap: wrap; }
.tab {
  background: transparent; color: var(--cream); border: 0;
  padding: .45rem .8rem; border-radius: 6px; cursor: pointer; font-weight: 600;
}
.tab.active { background: var(--red); }
.who { font-size: .9rem; display: flex; align-items: center; gap: .4rem; }

main { padding: 1.5rem 16px; max-width: 1200px; margin: 0 auto; }
.view { display: grid; gap: 1.5rem; }
#view-reservas { grid-template-columns: minmax(240px, 320px) minmax(0, 1fr); align-items: start; }

/* ---------- Lista de conciertos ---------- */
.concerts h2 { color: var(--pink); font-weight: 900; font-size: 2rem; }
.toggle { font-size: .85rem; color: var(--muted); display: flex; gap: .4rem; align-items: center; margin-bottom: .8rem; }
#concert-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.concert-item {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .2rem .6rem;
  text-align: left;
  background: var(--red);
  color: var(--cream);
  border: 2px solid transparent;
  border-radius: 8px;
  padding: .55rem .8rem;
  cursor: pointer;
}
.concert-item .artist { font-weight: 800; font-size: 1.1rem; }
.concert-item .date { font-size: .8rem; opacity: .85; align-self: center; }
.concert-item .bar { grid-column: 1 / -1; }
.concert-item.selected { border-color: var(--pink); box-shadow: 0 0 0 3px rgba(244,163,232,.25); }
.concert-item.past { background: var(--wine-3); opacity: .7; }

.bar { display: flex; height: 6px; border-radius: 3px; overflow: hidden; background: rgba(255,255,255,.2); }
.bar span { display: block; height: 100%; }

/* ---------- Palco ---------- */
.palco { background: var(--wine-2); border-radius: var(--radius); padding: 1.5rem; min-height: 300px; }
.palco .empty { color: var(--muted); }
.palco-head { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; align-items: baseline; }
.palco-head h2 { font-size: 2.2rem; font-weight: 900; margin: 0; }
.palco-head .date { color: var(--pink); font-weight: 600; }
.box {
  margin-top: 1.4rem;
  display: grid;
  grid-template-columns: auto repeat(var(--cols), minmax(0, 1fr));
  gap: .6rem;
  align-items: center;
  max-width: 760px;
}
.row-label { font-size: .75rem; font-weight: 800; color: var(--pink); letter-spacing: .05em; white-space: nowrap; }
.railing {
  max-width: 760px;
  margin-top: .7rem;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(90deg, #c9ccd6, #f4f5f8, #c9ccd6);
}
.stage {
  max-width: 760px;
  margin: .5rem 0 .2rem;
  text-align: center;
  font-size: .75rem;
  letter-spacing: .3em;
  color: var(--muted);
}
.seat {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 12px 12px 6px 6px;
  border: 2px dashed var(--muted);
  background: transparent;
  color: var(--cream);
  cursor: pointer;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: .3rem;
  text-align: center;
  font-size: .72rem;
  line-height: 1.15;
  overflow: hidden;
}
.seat .num { font-size: 1.4rem; font-weight: 900; }
.seat.free:hover { border-color: var(--pink); }
.seat.selected { background: var(--cream); color: var(--wine); border-style: solid; border-color: var(--cream); }
.seat.taken { border-style: solid; color: #2a0016; cursor: default; }
.seat.taken.mine { cursor: pointer; }
.seat.taken.mine:hover { outline: 3px solid var(--cream); }
.seat:disabled { cursor: not-allowed; }
.seat .tag { font-weight: 700; }
.seat .guest { opacity: .85; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.legend { display: flex; gap: 1rem; flex-wrap: wrap; font-size: .85rem; margin-top: 1rem; color: var(--muted); }
.legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: .35rem; vertical-align: -1px; }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; }

.reserve-form {
  margin-top: 1.4rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: .6rem;
  align-items: end;
}
.reserve-form label { display: grid; gap: .25rem; font-size: .8rem; color: var(--muted); }
.reserve-summary { grid-column: 1 / -1; margin: 0; }

.table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.table th { text-align: left; color: var(--pink); font-weight: 600; padding: .5rem; border-bottom: 2px solid var(--wine-3); }
.table td { padding: .5rem; border-bottom: 1px solid var(--wine-3); vertical-align: top; }
.inline-form { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.inline-form input { flex: 1 1 160px; }

/* ---------- Estadísticas ---------- */
#view-stats { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
@media (min-width: 900px) { #view-stats { grid-template-columns: repeat(3, 1fr); } #view-stats .span-2-lg { grid-column: span 2; } }
.kpi .value { font-size: 2.6rem; font-weight: 900; color: var(--pink); line-height: 1; }
.kpi .label { color: var(--muted); font-size: .85rem; }
.rank { display: grid; gap: .9rem; }
.rank-row { display: grid; gap: .3rem; }
.rank-row .top { display: flex; justify-content: space-between; font-weight: 700; }
.rank-row .meter { height: 14px; background: rgba(255,255,255,.12); border-radius: 7px; overflow: hidden; }
.rank-row .meter span { display: block; height: 100%; border-radius: 7px; }
.rank-row .sub { font-size: .8rem; color: var(--muted); }
.crown { color: #ffd166; }
.span-2 { grid-column: 1 / -1; }

.toast {
  position: fixed; bottom: 1.2rem; left: 50%; transform: translateX(-50%);
  background: var(--cream); color: var(--wine); padding: .7rem 1.2rem; border-radius: 8px; font-weight: 700;
  box-shadow: 0 6px 20px rgba(0,0,0,.35); max-width: calc(100% - 32px);
}
.toast.bad { background: var(--red); color: var(--cream); }

/* ---------- Invitaciones ---------- */
.hint { color: var(--muted); font-size: .9rem; margin-top: 0; }
.inv-concert { margin-top: 1.2rem; }
.inv-concert h3 { display: flex; gap: .6rem; align-items: baseline; flex-wrap: wrap; }
.inv-concert h3 small { color: var(--pink); font-weight: 600; font-size: .85rem; }
.inv-seat { display: flex; align-items: center; gap: .8rem; padding: .55rem 0; border-bottom: 1px solid var(--wine-3); flex-wrap: wrap; }
.inv-seat .label { font-weight: 900; font-size: 1.2rem; min-width: 2.6rem; }
.inv-seat .who { flex: 1; min-width: 160px; font-size: .9rem; }
.inv-seat .who small { display: block; color: var(--muted); }
.btn.small { padding: .45rem .8rem; font-size: .9rem; }

.modal { position: fixed; inset: 0; background: rgba(20,0,10,.75); display: flex; align-items: center; justify-content: center; padding: 16px; z-index: 10; }
.modal-card { position: relative; background: var(--wine-2); border-radius: var(--radius); padding: 1.5rem; width: min(900px, 100%); max-height: calc(100vh - 32px); overflow-y: auto; }
.modal-close { position: absolute; top: .5rem; right: .5rem; z-index: 1; width: 2.2rem; height: 2.2rem; border-radius: 50%; background: var(--wine); font-size: 1.1rem; text-decoration: none; }
.invite-editor { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1.5rem; align-items: start; }
.inv-preview { width: 100%; height: auto; border-radius: 8px; box-shadow: 0 8px 30px rgba(0,0,0,.4); }
.inv-fields { display: grid; gap: .8rem; }
.inv-fields label { display: grid; gap: .25rem; font-size: .8rem; color: var(--muted); }
textarea { font: inherit; background: var(--cream); color: #2a0016; border: 0; border-radius: 8px; padding: .7rem .9rem; resize: vertical; }

.logo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
.logo-item { display: grid; gap: .5rem; background: var(--wine); border-radius: 8px; padding: 1rem; }
.logo-plate { height: 90px; border-radius: 8px; display: flex; align-items: center; justify-content: center; padding: .8rem; font-weight: 900; }
.logo-plate img { max-width: 100%; max-height: 100%; }
.logo-plate.light { background: #fff; color: var(--wine); }
.logo-plate.dark { background: #1d0010; color: var(--cream); }
.logo-item .actions { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; font-size: .85rem; }

@media (max-width: 760px) {
  .invite-editor { grid-template-columns: 1fr; }
  .login { grid-template-columns: 1fr; gap: 1.5rem; }
  .brand { font-size: 5rem; }
  #view-reservas { grid-template-columns: minmax(0, 1fr); }
  .topbar { gap: .5rem; }
  nav { order: 3; flex-basis: 100%; flex-wrap: nowrap; overflow-x: auto; }
  .tab { white-space: nowrap; }
  .who { margin-left: auto; }
  #concert-list { grid-auto-flow: column; grid-auto-columns: 75%; overflow-x: auto; padding-bottom: .4rem; scroll-snap-type: x mandatory; }
  #concert-list li { scroll-snap-align: start; }
  .concerts h2 { font-size: 1.6rem; }
  .box { gap: .3rem; }
  .row-label { writing-mode: vertical-rl; transform: rotate(180deg); }
  .seat { font-size: .6rem; padding: .15rem; border-radius: 8px 8px 4px 4px; }
  .seat .num { font-size: 1rem; }
  .seat .guest, .seat .state { display: none; }
  .table { font-size: .8rem; }
}