:root {
  --bg: #0b1020;
  --panel: #121a33;
  --text: #e8ecff;
  --muted: #a8b0d6;
  --primary: #7aa2ff;
  --danger: #ff5d7a;
  --ok: #44d19d;
  --border: rgba(232, 236, 255, 0.12);
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: radial-gradient(1200px 600px at 20% 0%, rgba(122,162,255,0.22), transparent), var(--bg);
  color: var(--text);
}

a { color: var(--primary); text-decoration: none; }

.container {
  max-width: 520px;
  margin: 0 auto;
  padding: 16px 16px 240px;
}

.topbar {
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(11, 16, 32, 0.72);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.topbar-inner {
  max-width: 520px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
}

.user-chip img {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid var(--border);
}

.panel {
  background: rgba(18, 26, 51, 0.72);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
}

.h1 {
  font-size: 18px;
  margin: 0 0 10px;
}

.p {
  margin: 0 0 10px;
  color: var(--muted);
  line-height: 1.35;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.row {
  display: flex;
  gap: 10px;
}

.row > * { flex: 1; }

input, button {
  width: 100%;
  font: inherit;
}

/* Campo de contraseña con botón "Ver/Ocultar" */
.pw-field {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.pw-field input {
  flex: 1;
  min-width: 0;
}

.pw-field button {
  width: auto;
  flex: 0 0 auto;
  padding: 12px 14px;
  white-space: nowrap;
}

input {
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(11,16,32,0.6);
  color: var(--text);
}

button {
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(122,162,255,0.16);
  color: var(--text);
  font-weight: 600;
}

button.primary {
  background: rgba(122,162,255,0.28);
}

button.danger {
  background: rgba(255,93,122,0.18);
}

button:disabled {
  opacity: 0.55;
}

.kv {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 14px 0;
}

.small {
  font-size: 12px;
  color: var(--muted);
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 16, 32, 0.65);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
}

.overlay.visible { display: flex; }

.overlay-card {
  width: 100%;
  max-width: 520px;
  background: rgba(18, 26, 51, 0.95);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
}

.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.result-card {
  background: rgba(11,16,32,0.35);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
}

.result-big {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.2px;
  color: var(--text);
}

.banner {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
  font-weight: 700;
  background: rgba(122,162,255,0.12);
}

.banner.ok {
  background: rgba(68,209,157,0.14);
  border-color: rgba(68,209,157,0.35);
}

.banner.danger {
  background: rgba(255,93,122,0.14);
  border-color: rgba(255,93,122,0.35);
}

.table-zone {
  display: flex;
  justify-content: center;
  gap: 16px;
  padding: 12px 8px 28px;
  overflow-x: auto;
  min-height: 200px;
}

.hand-zone {
  position: fixed;
  inset: auto 0 0;
  padding: 0 16px 16px;
  pointer-events: none;
  z-index: 20;
}

.hand-zone-inner {
  --hand-card-width: clamp(96px, 19vw, 126px);
  --hand-card-height: calc(var(--hand-card-width) * 1.38);
  pointer-events: auto;
  max-width: 520px;
  margin: 0 auto;
  background: linear-gradient(135deg, rgba(18,26,51,0.95), rgba(16,22,42,0.85));
  border: 1px solid rgba(122,162,255,0.2);
  border-radius: 18px 18px 8px 8px;
  padding: 12px 16px 18px;
  box-shadow: 0 -6px 32px rgba(0,0,0,0.45);
}

.hand-label {
  text-align: center;
  padding-bottom: 6px;
}

.hand-hint {
  min-height: 18px;
  text-align: center;
  margin-top: 6px;
}

.hand-fan {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: clamp(12px, 5vw, 38px);
  padding: 12px 0 28px;
  min-height: calc(var(--hand-card-height) + 36px);
  flex-wrap: nowrap;
}

.hand-card {
  --card-rotation: 0deg;
  --card-shift-x: 0px;
  --card-rise: 0px;
  --card-live-translate-x: 0px;
  --card-live-translate-y: 0px;
  --card-live-rotate: 0deg;
  --card-hover-lift: 0px;
  width: var(--hand-card-width);
  height: var(--hand-card-height);
  border: none;
  background: transparent;
  padding: 0;
  margin: 0;
  cursor: pointer;
  touch-action: none;
  pointer-events: auto;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  position: relative;
  transform-origin: center calc(100% + 60px);
  transform:
    translateX(calc(var(--card-shift-x) + var(--card-live-translate-x)))
    translateY(calc(var(--card-rise) + var(--card-live-translate-y) - var(--card-hover-lift)))
    rotate(calc(var(--card-rotation) + var(--card-live-rotate)));
  transition: transform 160ms ease, filter 160ms ease;
  filter: drop-shadow(0 8px 18px rgba(0,0,0,0.45));
  z-index: var(--card-z, 10);
}

.hand-card img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  pointer-events: none;
  user-select: none;
}

.hand-card:disabled {
  cursor: default;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.25)) saturate(0.4);
}

.hand-card:not(:disabled):hover,
.hand-card:not(:disabled):focus-visible,
.hand-card.hand-card--pressed {
  --card-hover-lift: 14px;
  filter: drop-shadow(0 18px 32px rgba(10,28,64,0.7));
}

.hand-card--pressed {
  transition: none;
}

.cantos-fab {
  position: fixed;
  right: 30px;
  bottom: 30px;
  z-index: 25;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

.cantos-fab__toggle {
  background: linear-gradient(120deg, #7aa2ff, #5c7cf9);
  color: #061128;
  border: none;
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.3px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 30px rgba(0,0,0,0.45);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.cantos-fab__toggle:hover,
.cantos-fab__toggle:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(0,0,0,0.55);
}

.cantos-fab__icon {
  font-size: 20px;
  line-height: 1;
}

.cantos-fab.open .cantos-fab__toggle span {
  transform: rotate(45deg);
}

.cantos-fab__panel {
  width: min(320px, 80vw);
  background: rgba(11,16,32,0.95);
  border: 1px solid rgba(122,162,255,0.2);
  border-radius: 18px;
  padding: 14px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.45);
  transform-origin: bottom right;
  transform: scale(0.92);
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}

.cantos-fab.open .cantos-fab__panel {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

.cantos-fab__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  gap: 12px;
}

.cantos-fab__group,
.cantos-fab__response {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.cantos-fab__group button,
.cantos-fab__response button {
  flex: 1;
}

@media (max-width: 640px) {
  .container {
    padding-bottom: 280px;
  }

  .cantos-fab {
    right: 14px;
    bottom: 14px;
  }

  .hand-card img {
    width: 96px;
  }
}

@media (max-width: 560px) {
  .hand-zone-inner {
    padding: 10px 12px 14px;
  }

  .hand-fan {
    gap: clamp(4px, 2vw, 12px);
    padding-bottom: 28px;
    min-height: 220px;
  }

  .hand-card {
    width: 120px;
    height: 205px;
  }

  .hand-card__inner {
    width: 108px;
  }

  .hand-card img {
    width: 96px;
  }
}

@media (max-width: 440px) {
  .hand-zone-inner {
    padding: 10px 10px 12px;
  }

  .hand-card {
    width: 108px;
    height: 190px;
  }

  .hand-card__inner {
    width: 96px;
  }

  .hand-card img {
    width: 88px;
  }
}