/* ══════════════════════════════════════════
   GALERÍA – XV VANIA AZUL
   galeria.css
══════════════════════════════════════════ */

:root {
  --blue-deep:    #060e1e;
  --blue-night:   #0a1628;
  --blue-mid:     #0d2a4a;
  --blue-royal:   #1a4a7a;
  --blue-sky:     #4a9eda;
  --blue-light:   #a8d8f0;
  --blue-pale:    #dff0fb;
  --silver:       #c8dce8;
  --cyan-glow:    #7dd4f0;

  --font-display: 'Great Vibes', cursive;
  --font-serif:   'Cormorant Garamond', serif;
  --font-sans:    'Montserrat', sans-serif;

  --radius: 12px;
  --section-pad: 4rem 1.2rem 8rem;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--blue-deep);
  color: var(--blue-light);
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; }

/* ── Canvas brillitos ── */
#glitter {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* ── Botón música ── */
.music-btn {
  position: fixed;
  bottom: 6rem;
  right: 1.6rem;
  z-index: 100;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-royal), var(--blue-mid));
  border: 1.5px solid rgba(168,216,240,0.45);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0,0,0,0.45), 0 0 18px rgba(91,184,232,0.25);
  transition: transform 0.2s, box-shadow 0.2s;
  user-select: none;
}
.music-btn:hover { transform: scale(1.1); }
.music-icon { font-size: 1.3rem; color: var(--blue-light); }
.music-btn.paused .music-icon { opacity: 0.45; }

/* ── FAB subir fotos ── */
.upload-fab {
  position: fixed;
  bottom: 6rem;
  left: 1.6rem;
  z-index: 100;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(125,212,240,0.2), rgba(26,74,122,0.8));
  border: 1.5px solid rgba(125,212,240,0.4);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.45), 0 0 18px rgba(125,212,240,0.2);
  transition: transform 0.2s, box-shadow 0.2s;
}
.upload-fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(0,0,0,0.5), 0 0 28px rgba(125,212,240,0.4);
}

/* ── FAB login ── */
.login-fab {
  position: fixed;
  bottom: 10rem;
  left: 1.6rem;
  z-index: 100;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(125,212,240,0.15), rgba(13,42,74,0.9));
  border: 1.5px solid rgba(125,212,240,0.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0,0,0,0.45);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  user-select: none;
}
.login-fab:hover {
  transform: scale(1.1);
  border-color: rgba(125,212,240,0.5);
  box-shadow: 0 6px 28px rgba(0,0,0,0.5), 0 0 20px rgba(125,212,240,0.2);
}
.login-fab.active {
  border-color: var(--cyan-glow);
  box-shadow: 0 4px 20px rgba(0,0,0,0.45), 0 0 16px rgba(125,212,240,0.4);
}

/* ══════════════════════════════════════════
   HERO
══════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 45svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 4rem 1.5rem 3rem;
  z-index: 10;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(26,74,122,0.5) 0%, transparent 70%),
    linear-gradient(180deg, var(--blue-night) 0%, var(--blue-deep) 100%);
}

.hero-stars { position: absolute; inset: 0; pointer-events: none; z-index: 1; }
.hstar {
  position: absolute;
  color: var(--blue-light);
  font-size: 0.7rem;
  opacity: 0;
  animation: star-float linear infinite;
  text-shadow: 0 0 8px rgba(168,216,240,0.9);
}
.hstar.s1 { top: 15%; left: 8%;   animation-duration: 7s;  animation-delay: 0.5s; }
.hstar.s2 { top: 25%; right: 10%; animation-duration: 9s;  animation-delay: 1.2s; }
.hstar.s3 { top: 55%; left: 6%;   animation-duration: 8s;  animation-delay: 0.8s; }
.hstar.s4 { top: 40%; right: 7%;  font-size: 1.2rem; animation-duration: 11s; animation-delay: 2s; }
.hstar.s5 { top: 70%; left: 14%;  animation-duration: 6s;  animation-delay: 1.8s; }
.hstar.s6 { top: 60%; right: 4%;  font-size: 1.5rem; animation-duration: 10s; animation-delay: 0.3s; }

@keyframes star-float {
  0%   { opacity: 0; transform: translateY(0) scale(0.8); }
  20%  { opacity: 0.9; }
  80%  { opacity: 0.6; }
  100% { opacity: 0; transform: translateY(-18px) scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.hero-pre {
  font-size: 0.58rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(168,216,240,0.55);
  opacity: 0;
  animation: fade-up 1s ease forwards 0.3s;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 15vw, 6rem);
  font-weight: 400;
  line-height: 1;
  color: #fff;
  text-shadow:
    0 0 40px rgba(125,212,240,0.7),
    0 0 80px rgba(125,212,240,0.3);
  opacity: 0;
  animation: fade-up 1.4s ease forwards 0.6s;
}

.hero-divider {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  width: 180px;
  margin: 0.3rem 0;
  opacity: 0;
  animation: fade-up 1s ease forwards 0.9s;
}
.divider-line {
  flex: 1; height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue-sky), transparent);
}
.divider-icon {
  color: var(--cyan-glow);
  font-size: 0.65rem;
  text-shadow: 0 0 10px rgba(125,212,240,0.9);
}

.hero-sub {
  font-family: var(--font-serif);
  font-size: clamp(0.85rem, 3vw, 1.1rem);
  font-style: italic;
  font-weight: 300;
  color: rgba(223,240,251,0.65);
  opacity: 0;
  animation: fade-up 1s ease forwards 1.1s;
}

.hero-counter {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-top: 0.4rem;
  opacity: 0;
  animation: fade-up 1s ease forwards 1.3s;
}
.counter-num {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 8vw, 3rem);
  font-weight: 300;
  color: var(--cyan-glow);
  text-shadow: 0 0 20px rgba(125,212,240,0.6);
  line-height: 1;
}
.counter-label {
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(168,216,240,0.45);
}

/* ══════════════════════════════════════════
   SECCIÓN BASE
══════════════════════════════════════════ */
.section {
  position: relative;
  z-index: 10;
  padding: var(--section-pad);
  display: flex;
  justify-content: center;
}

.section-inner {
  width: 100%;
  max-width: 680px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.4rem;
}

.section-badge {
  font-size: 1rem;
  color: var(--cyan-glow);
  text-shadow: 0 0 12px rgba(125,212,240,0.8);
  letter-spacing: 0.3em;
}

.section-title {
  font-family: 'Tangerine', cursive;
  font-size: clamp(3.5rem, 9vw, 5rem);
  font-weight: 400;
  color: var(--blue-pale);
  text-align: center;
  text-shadow: 0 0 30px rgba(125,212,240,0.4);
}

.section-sub {
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(168,216,240,0.45);
  text-align: center;
}

/* ══════════════════════════════════════════
   GALERÍA
══════════════════════════════════════════ */
.galeria-section {
  background:
    radial-gradient(ellipse at 50% 0%, rgba(26,74,122,0.25) 0%, transparent 65%),
    linear-gradient(180deg, var(--blue-deep) 0%, var(--blue-night) 100%);
}

/* ── Estado vacío ── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  text-align: center;
  padding: 3rem 2rem;
  border: 1px dashed rgba(168,216,240,0.2);
  border-radius: var(--radius);
  background: rgba(13,42,74,0.3);
  width: 100%;
  max-width: 420px;
}
.empty-state.hidden { display: none; }

.empty-icon { font-size: 2.5rem; opacity: 0.5; }
.empty-title {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 4vw, 1.3rem);
  font-weight: 300;
  color: var(--blue-pale);
}
.empty-sub {
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: rgba(168,216,240,0.4);
  line-height: 1.7;
  max-width: 280px;
}
.empty-btn {
  margin-top: 0.5rem;
  padding: 0.7rem 1.8rem;
  border-radius: 50px;
  border: 1.5px solid rgba(125,212,240,0.4);
  background: rgba(125,212,240,0.08);
  color: var(--cyan-glow);
  font-family: var(--font-sans);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: all 0.2s;
}
.empty-btn:hover {
  background: rgba(125,212,240,0.16);
  transform: translateY(-2px);
}

/* ── Mosaico ── */
.mosaic-grid {
  width: 100%;
  columns: 2;
  column-gap: 8px;
}

.mosaic-item {
  break-inside: avoid;
  margin-bottom: 8px;
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  border: 1px solid rgba(168,216,240,0.1);
  background: var(--blue-mid);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease,
              border-color 0.3s, box-shadow 0.3s;
}
.mosaic-item.visible {
  opacity: 1;
  transform: translateY(0);
}
.mosaic-item:hover {
  border-color: rgba(125,212,240,0.35);
  box-shadow: 0 8px 30px rgba(0,0,0,0.5), 0 0 16px rgba(125,212,240,0.1);
}

.mosaic-item.featured {
  column-span: all;
  max-height: 280px;
}

.mosaic-item img {
  width: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.5s ease, filter 0.3s ease;
  filter: brightness(0.88) saturate(0.9);
}
.mosaic-item.featured img {
  max-height: 280px;
  object-fit: cover;
}
.mosaic-item:hover img {
  transform: scale(1.04);
  filter: brightness(1) saturate(1.05);
}

.mosaic-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 0.8rem;
  background: linear-gradient(0deg,
    rgba(6,14,30,0.92) 0%,
    rgba(6,14,30,0.4) 60%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
}
.mosaic-item:hover .mosaic-overlay,
.mosaic-item:active .mosaic-overlay { opacity: 1; }

@media (hover: none) {
  .mosaic-overlay { opacity: 1; }
}

.overlay-nombre {
  font-family: var(--font-serif);
  font-size: clamp(0.8rem, 2.5vw, 0.95rem);
  font-style: italic;
  color: #fff;
  line-height: 1.2;
}
.overlay-mensaje {
  font-size: clamp(0.5rem, 1.8vw, 0.6rem);
  letter-spacing: 0.05em;
  color: rgba(168,216,240,0.65);
  margin-top: 0.2rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.overlay-fecha {
  font-size: 0.48rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(168,216,240,0.35);
  margin-top: 0.25rem;
}
.overlay-num {
  position: absolute;
  top: 0.5rem; right: 0.6rem;
  font-size: 0.45rem;
  letter-spacing: 0.15em;
  color: rgba(168,216,240,0.4);
  text-transform: uppercase;
}

.mosaic-tap {
  position: absolute;
  top: 0.5rem; left: 0.5rem;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(6,14,30,0.6);
  border: 1px solid rgba(168,216,240,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem;
  opacity: 0;
  transition: opacity 0.3s;
}
.mosaic-item:hover .mosaic-tap { opacity: 1; }

/* ── Loading skeleton ── */
.skeleton {
  break-inside: avoid;
  margin-bottom: 8px;
  border-radius: 10px;
  overflow: hidden;
  background: linear-gradient(
    90deg,
    rgba(13,42,74,0.5) 25%,
    rgba(26,74,122,0.3) 50%,
    rgba(13,42,74,0.5) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Barra inferior ── */
.bottom-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 90;
  padding: 0.8rem 1.2rem;
  background: linear-gradient(0deg,
    rgba(6,14,30,0.97) 0%,
    rgba(6,14,30,0.8) 100%
  );
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(168,216,240,0.1);
  display: flex;
  justify-content: center;
}
.bottom-upload-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 2.5rem;
  border-radius: 50px;
  border: 1.5px solid rgba(125,212,240,0.4);
  background: linear-gradient(135deg,
    rgba(26,74,122,0.8) 0%,
    rgba(13,42,74,0.9) 100%
  );
  color: var(--cyan-glow);
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  transition: all 0.2s;
  backdrop-filter: blur(8px);
}
.bottom-upload-btn:hover {
  border-color: var(--cyan-glow);
  background: rgba(26,74,122,0.9);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4), 0 0 20px rgba(125,212,240,0.2);
}

/* ══════════════════════════════════════════
   LIGHTBOX
══════════════════════════════════════════ */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(4,10,20,0.97);
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(16px);
  padding: 1rem;
}
.lightbox.open {
  display: flex;
  animation: fade-in 0.3s ease;
}
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.lightbox-inner {
  position: relative;
  width: 100%;
  max-width: 520px;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(168,216,240,0.15);
  box-shadow: 0 30px 80px rgba(0,0,0,0.7);
}

.lb-close {
  position: absolute;
  top: 0.7rem; right: 0.7rem;
  z-index: 10;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgba(6,14,30,0.8);
  border: 1px solid rgba(168,216,240,0.25);
  color: var(--blue-light);
  font-size: 0.85rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s, border-color 0.2s;
  backdrop-filter: blur(4px);
}
.lb-close:hover {
  background: rgba(200,60,60,0.6);
  border-color: rgba(200,60,60,0.6);
}

.lb-nav {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  z-index: 10;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(6,14,30,0.75);
  border: 1px solid rgba(168,216,240,0.2);
  color: var(--blue-light);
  font-size: 1.4rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
  backdrop-filter: blur(4px);
  line-height: 1;
}
.lb-nav:hover {
  background: rgba(26,74,122,0.8);
  border-color: var(--cyan-glow);
}
.lb-nav:disabled { opacity: 0.2; cursor: default; }
.lb-prev { left: 0.6rem; }
.lb-next { right: 0.6rem; }

.lb-img-wrap {
  width: 100%;
  max-height: 65svh;
  background: var(--blue-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.lb-img {
  width: 100%;
  height: 100%;
  max-height: 65svh;
  object-fit: contain;
  display: block;
  transition: opacity 0.25s ease;
}
.lb-img.loading { opacity: 0.3; }

.lb-info {
  background: rgba(10,22,40,0.97);
  padding: 1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  border-top: 1px solid rgba(168,216,240,0.1);
}

.lb-info-top {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.lb-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-royal), var(--blue-mid));
  border: 1.5px solid rgba(125,212,240,0.35);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--cyan-glow);
  text-shadow: 0 0 8px rgba(125,212,240,0.6);
  flex-shrink: 0;
}

.lb-meta {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.lb-nombre {
  font-family: var(--font-serif);
  font-size: clamp(0.85rem, 3vw, 1rem);
  font-style: italic;
  color: var(--blue-pale);
  font-weight: 300;
}
.lb-fecha {
  font-size: 0.5rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(168,216,240,0.35);
}

.lb-num {
  font-size: 0.5rem;
  letter-spacing: 0.15em;
  color: rgba(168,216,240,0.3);
  text-transform: uppercase;
  flex-shrink: 0;
}

.lb-mensaje {
  font-family: var(--font-serif);
  font-size: clamp(0.8rem, 2.5vw, 0.9rem);
  font-style: italic;
  font-weight: 300;
  color: rgba(168,216,240,0.6);
  line-height: 1.6;
  display: none;
}
.lb-mensaje.visible { display: block; }

/* ── Botones de acción en lightbox ── */
.lb-actions {
  display: none;
  gap: 0.6rem;
  flex-wrap: wrap;
  padding-top: 0.4rem;
  border-top: 1px solid rgba(168,216,240,0.08);
}
.lb-actions.visible { display: flex; }

.lb-action-btn {
  flex: 1;
  min-width: 80px;
  padding: 0.55rem 0.8rem;
  border-radius: 50px;
  border: 1.5px solid rgba(168,216,240,0.2);
  background: rgba(13,42,74,0.6);
  color: var(--blue-light);
  font-family: var(--font-sans);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
}
.lb-action-btn.visible { display: flex; }

.lb-download {
  border-color: rgba(125,212,240,0.35);
  color: var(--cyan-glow);
}
.lb-download:hover {
  background: rgba(125,212,240,0.15);
  border-color: var(--cyan-glow);
  transform: translateY(-1px);
}

.lb-edit {
  border-color: rgba(168,216,240,0.25);
}
.lb-edit:hover {
  background: rgba(26,74,122,0.5);
  border-color: rgba(168,216,240,0.5);
  transform: translateY(-1px);
}

.lb-delete {
  border-color: rgba(200,80,80,0.3);
  color: rgba(220,100,100,0.8);
}
.lb-delete:hover {
  background: rgba(200,60,60,0.2);
  border-color: rgba(200,60,60,0.6);
  color: rgba(240,120,120,1);
  transform: translateY(-1px);
}

/* ══════════════════════════════════════════
   MODALES BASE
══════════════════════════════════════════ */
.pin-modal,
.edit-modal,
.confirm-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(4,10,20,0.92);
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(16px);
  padding: 1.5rem;
}
.pin-modal.open,
.edit-modal.open,
.confirm-modal.open {
  display: flex;
  animation: fade-in 0.3s ease;
}

.pin-modal-inner,
.edit-modal-inner,
.confirm-modal-inner {
  position: relative;
  width: 100%;
  max-width: 360px;
  background: rgba(10,22,40,0.98);
  border: 1px solid rgba(168,216,240,0.18);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
  box-shadow: 0 30px 80px rgba(0,0,0,0.7);
  animation: fade-up 0.4s ease;
}

.pin-close {
  position: absolute;
  top: 0.8rem; right: 0.8rem;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: rgba(6,14,30,0.8);
  border: 1px solid rgba(168,216,240,0.2);
  color: var(--blue-light);
  font-size: 0.75rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s;
}
.pin-close:hover { background: rgba(200,60,60,0.6); }

.pin-icon { font-size: 2rem; }

.pin-title {
  font-family: 'Tangerine', cursive;
  font-size: clamp(2rem, 8vw, 2.8rem);
  font-weight: 400;
  color: var(--blue-pale);
  text-shadow: 0 0 20px rgba(125,212,240,0.4);
  text-align: center;
}

.pin-sub {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: rgba(168,216,240,0.45);
  text-align: center;
  line-height: 1.6;
}

/* ── Inputs PIN ── */
.pin-inputs {
  display: flex;
  gap: 0.8rem;
  justify-content: center;
}

.pin-digit {
  width: 52px; height: 58px;
  border-radius: 10px;
  border: 1.5px solid rgba(168,216,240,0.25);
  background: rgba(6,14,30,0.6);
  color: var(--cyan-glow);
  font-family: var(--font-sans);
  font-size: 1.4rem;
  font-weight: 500;
  text-align: center;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-appearance: none;
}
.pin-digit:focus {
  border-color: var(--cyan-glow);
  box-shadow: 0 0 0 3px rgba(125,212,240,0.12);
}
.pin-digit.error {
  border-color: rgba(220,80,80,0.7);
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%,100% { transform: translateX(0); }
  20%     { transform: translateX(-6px); }
  40%     { transform: translateX(6px); }
  60%     { transform: translateX(-4px); }
  80%     { transform: translateX(4px); }
}

.pin-error {
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  color: rgba(220,80,80,0.8);
  text-align: center;
  display: none;
}
.pin-error.visible { display: block; }

/* ── Botón submit PIN ── */
.pin-submit {
  width: 100%;
  padding: 0.9rem;
  border-radius: 50px;
  border: 1.5px solid rgba(125,212,240,0.4);
  background: linear-gradient(135deg, rgba(26,74,122,0.8), rgba(13,42,74,0.9));
  color: var(--blue-pale);
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}
.pin-submit:hover {
  border-color: var(--cyan-glow);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3), 0 0 16px rgba(125,212,240,0.2);
}

.pin-btn-loader {
  display: none;
  animation: spin-star 1s linear infinite;
  font-size: 0.9rem;
  color: var(--cyan-glow);
}
.pin-submit.loading .pin-btn-text { opacity: 0.4; }
.pin-submit.loading .pin-btn-loader { display: inline-block; }

@keyframes spin-star {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ── Sesión activa ── */
.pin-logout {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding-top: 0.4rem;
  border-top: 1px solid rgba(168,216,240,0.1);
}
.pin-logged {
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan-glow);
}
.pin-logout-btn {
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  border: 1px solid rgba(200,80,80,0.3);
  background: transparent;
  color: rgba(220,100,100,0.7);
  font-family: var(--font-sans);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
}
.pin-logout-btn:hover {
  background: rgba(200,60,60,0.15);
  border-color: rgba(200,60,60,0.5);
  color: rgba(240,120,120,1);
}

/* ── Modal editar campos ── */
.edit-modal-inner {
  gap: 1rem;
  align-items: stretch;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.field-label {
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue-sky);
}
.field-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid rgba(168,216,240,0.2);
  background: rgba(6,14,30,0.5);
  color: var(--blue-pale);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 300;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
  -webkit-appearance: none;
}
.field-input:focus {
  border-color: rgba(125,212,240,0.6);
  box-shadow: 0 0 0 3px rgba(125,212,240,0.08);
}
.field-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid rgba(168,216,240,0.2);
  background: rgba(6,14,30,0.5);
  color: var(--blue-pale);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 300;
  outline: none;
  resize: none;
  line-height: 1.6;
  transition: border-color 0.25s, box-shadow 0.25s;
  -webkit-appearance: none;
}
.field-textarea:focus {
  border-color: rgba(125,212,240,0.6);
  box-shadow: 0 0 0 3px rgba(125,212,240,0.08);
}

/* ── Modal confirmar eliminar ── */
.confirm-icon { font-size: 2rem; opacity: 0.7; }

.confirm-btns {
  display: flex;
  gap: 0.8rem;
  width: 100%;
}
.confirm-cancel,
.confirm-delete {
  flex: 1;
  padding: 0.75rem;
  border-radius: 50px;
  font-family: var(--font-sans);
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
}
.confirm-cancel {
  border: 1.5px solid rgba(168,216,240,0.25);
  background: transparent;
  color: rgba(168,216,240,0.6);
}
.confirm-cancel:hover {
  background: rgba(26,74,122,0.3);
  border-color: rgba(168,216,240,0.5);
}
.confirm-delete {
  border: 1.5px solid rgba(200,60,60,0.4);
  background: rgba(200,60,60,0.15);
  color: rgba(240,120,120,0.9);
}
.confirm-delete:hover {
  background: rgba(200,60,60,0.3);
  border-color: rgba(200,60,60,0.7);
}

/* ══════════════════════════════════════════
   FOOTER
══════════════════════════════════════════ */
.site-footer {
  position: relative;
  z-index: 10;
  padding: 3rem 1.5rem 6rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  background: linear-gradient(180deg, var(--blue-night) 0%, var(--blue-deep) 100%);
  border-top: 1px solid rgba(168,216,240,0.08);
}
.footer-name {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 7vw, 2.5rem);
  color: var(--blue-pale);
  text-shadow: 0 0 24px rgba(125,212,240,0.4);
}
.footer-xv {
  font-size: 0.58rem;
  letter-spacing: 0.3em;
  color: var(--cyan-glow);
  text-transform: uppercase;
}
.footer-date {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.95rem;
  color: rgba(168,216,240,0.45);
}

/* ══════════════════════════════════════════
   ANIMACIONES
══════════════════════════════════════════ */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media (min-width: 540px) {
  .mosaic-grid { columns: 3; }
}

@media (max-width: 380px) {
  :root { --section-pad: 3rem 0.8rem 8rem; }
  .mosaic-grid { column-gap: 6px; }
  .mosaic-item { margin-bottom: 6px; }
  .pin-digit { width: 44px; height: 50px; font-size: 1.2rem; }
  .pin-inputs { gap: 0.5rem; }
}