/* ============================================================
   EVENTO FOTOS — Stylesheet
   Premium wedding/event photo uploader
   ============================================================ */

/* ─── Design Tokens ──────────────────────────────────────── */
:root {
  /* Palette — warm champagne & gold */
  --color-bg:            #0f0e17;
  --color-bg-card:       rgba(255, 255, 255, 0.04);
  --color-bg-card-hover: rgba(255, 255, 255, 0.07);
  --color-surface:       #1a1926;
  --color-text:          #fffffe;
  --color-text-muted:    rgba(255, 255, 255, 0.55);
  --color-text-hint:     rgba(255, 255, 255, 0.35);

  --color-accent:        #e8c872;
  --color-accent-soft:   rgba(232, 200, 114, 0.15);
  --color-accent-glow:   rgba(232, 200, 114, 0.25);
  --color-accent-dark:   #c9a84c;

  --color-success:       #72e8a0;
  --color-success-bg:    rgba(114, 232, 160, 0.1);
  --color-error:         #e87272;
  --color-error-bg:      rgba(232, 114, 114, 0.1);

  --color-border:        rgba(255, 255, 255, 0.08);
  --color-border-accent: rgba(232, 200, 114, 0.3);

  /* Gradients */
  --gradient-hero:       linear-gradient(135deg, #e8c872 0%, #d4a856 50%, #c9a84c 100%);
  --gradient-bg:         radial-gradient(ellipse at 20% 0%, rgba(232, 200, 114, 0.08) 0%, transparent 60%),
                         radial-gradient(ellipse at 80% 100%, rgba(200, 160, 80, 0.05) 0%, transparent 50%);

  /* Typography */
  --font-display:        'Cormorant Garamond', serif;
  --font-body:           'Inter', sans-serif;

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Radii */
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  /* Shadows & Glass */
  --shadow-card:  0 8px 32px rgba(0, 0, 0, 0.4), 0 1px 4px rgba(255, 255, 255, 0.05);
  --shadow-glow:  0 0 40px rgba(232, 200, 114, 0.2);
  --shadow-btn:   0 4px 20px rgba(232, 200, 114, 0.4);
  --glass-bg:     rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.07);

  /* Transitions */
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}


/* ─── Reset & Base ───────────────────────────────────────── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-text);
  background: var(--color-bg);
  background-image: var(--gradient-bg);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}


/* ─── Particles Background ───────────────────────────────── */
.particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 15px;
  height: 18px;
  background: var(--color-accent);
  border-radius: 50% 50% 50% 50% / 40% 40% 60% 60%;
  opacity: 0;
  animation: balloonFloat linear infinite;
  box-shadow: inset -2px -2px 4px rgba(0,0,0,0.1), 0 4px 10px rgba(0,0,0,0.1);
}

.particle::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  width: 1px;
  height: 10px;
  background: rgba(255, 255, 255, 0.2);
}

@keyframes balloonFloat {
  0% {
    opacity: 0;
    transform: translateY(100vh) translateX(0) rotate(0deg);
  }
  10% {
    opacity: 0.4;
    transform: translateY(90vh) translateX(10px) rotate(5deg);
  }
  50% {
    transform: translateY(50vh) translateX(-15px) rotate(-5deg);
  }
  90% {
    opacity: 0.2;
  }
  100% {
    opacity: 0;
    transform: translateY(-20vh) translateX(5px) rotate(10deg);
  }
}


/* ─── Gallery & Shared Header ────────────────────────────── */
.gallery-header {
  text-align: center;
  padding: var(--space-3xl) 0 var(--space-xl);
  animation: fadeInDown 0.8s var(--ease-out) both;
}

.gallery-header__back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-md);
  padding: 0.35rem 0.9rem;
  transition: all 0.3s var(--ease-out);
  margin-bottom: var(--space-xl);
}

.gallery-header__back:hover {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
}

/* ─── Layout ─────────────────────────────────────────────── */
.container {
  position: relative;
  z-index: 1;
  max-width: 540px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md) var(--space-3xl);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}


/* ─── Hero ───────────────────────────────────────────────── */
.hero {
  text-align: center;
  padding: var(--space-3xl) 0 var(--space-xl);
  animation: fadeInDown 0.8s var(--ease-out) both;
}

.hero__icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  animation: gentleBounce 3s ease-in-out infinite;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__title .amp {
  font-family: inherit;
  font-style: italic;
  font-weight: 300;
  display: inline-block;
  margin: 0 0.15em;
  opacity: 0.8;
}

.hero__years {
  font-family: var(--font-display);
  font-size: clamp(1rem, 4vw, 1.4rem);
  font-weight: 600;
  letter-spacing: 0.14em;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-top: -0.1em;
  margin-bottom: var(--space-xs);
  opacity: 0.9;
  text-transform: uppercase;
}

.hero__subtitle {
  margin-top: var(--space-sm);
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
}

.hero__gallery-link {
  display: inline-block;
  margin-top: var(--space-md);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-accent);
  text-decoration: none;
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-md);
  padding: 0.4rem 1rem;
  transition: all 0.3s var(--ease-out);
}

.hero__gallery-link:hover {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
  transform: translateY(-1px);
}

.hero__divider {
  width: 60px;
  height: 2px;
  background: var(--gradient-hero);
  margin: var(--space-lg) auto 0;
  border-radius: 2px;
  opacity: 0.6;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes gentleBounce {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}


/* ─── Upload Section ─────────────────────────────────────── */
.upload-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  animation: fadeInUp 0.8s 0.2s var(--ease-out) both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* ─── Fields ─────────────────────────────────────────────── */
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.field__label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.field__optional {
  font-weight: 300;
  text-transform: none;
  color: var(--color-text-hint);
}

.field__input {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  outline: none;
  transition: all 0.3s var(--ease-out);
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.2);
}

.field__input::placeholder {
  color: var(--color-text-hint);
}

.field__input:focus {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft), inset 0 2px 4px rgba(0,0,0,0.2);
}

.field__input:focus {
  border-color: var(--color-border-accent);
  background: var(--color-bg-card-hover);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}


/* ─── Dropzone ───────────────────────────────────────────── */
.dropzone {
  position: relative;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3xl) var(--space-lg);
  text-align: center;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  background: var(--color-bg-card);
  outline: none;
}

.dropzone:hover,
.dropzone:focus-visible {
  border-color: var(--color-border-accent);
  background: var(--color-bg-card-hover);
  box-shadow: var(--shadow-glow);
}

.dropzone.dragover {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  transform: scale(1.01);
  box-shadow: var(--shadow-glow);
}

.dropzone__input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.dropzone__icon {
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  transition: transform 0.3s var(--ease-spring);
}

.dropzone:hover .dropzone__icon {
  transform: translateY(-4px);
}

.dropzone__text {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.dropzone__hint {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.dropzone__limits {
  margin-top: var(--space-md);
  font-size: 0.8rem;
  color: var(--color-text-hint);
  letter-spacing: 0.02em;
}


/* ─── Preview Area ───────────────────────────────────────── */
.preview-area {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: var(--space-sm);
}

.gallery-item__checkbox {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.8);
  background: rgba(0,0,0,0.3);
  z-index: 10;
  cursor: pointer;
  display: none; /* Oculto por defecto */
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  opacity: 0.8;
}

/* Mostramos los checkboxes solo si .selection-mode está activo en el contenedor general */
body.selection-mode .gallery-item__checkbox {
  display: flex;
}

.gallery-item__checkbox:hover {
  background: rgba(0,0,0,0.6);
  opacity: 1;
}

.gallery-item.selected .gallery-item__checkbox {
  background: var(--color-accent);
  border-color: var(--color-bg);
  opacity: 1;
}

.gallery-item.selected .gallery-item__checkbox::after {
  content: '✓';
  color: var(--color-bg);
  font-weight: bold;
  font-size: 14px;
}

.gallery-item.selected img, 
.gallery-item.selected video {
  opacity: 0.7;
  transform: scale(0.95);
}

.gallery-selection-actions {
  display: flex;
  justify-content: center;
  padding: 0 0 var(--space-lg);
  animation: fadeInUp 0.6s 0.2s var(--ease-out) both;
}

#selection-mode-off, #selection-mode-on {
  display: flex;
  align-items: center;
}

.selection-count-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-right: var(--space-sm);
  display: flex;
  align-items: center;
}

.btn-action {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: white;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 500;
  font-family: var(--font-body);
  transition: all 0.2s;
}

.btn-action:hover:not(:disabled) {
  background: rgba(255,255,255,0.2);
}

.btn-action:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-action.primary {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
}

.btn-action.primary:hover:not(:disabled) {
  background: var(--color-accent-dark);
}

.preview-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  animation: previewPop 0.3s var(--ease-spring) both;
}

.preview-item img,
.preview-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-item__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: opacity 0.2s;
}

.preview-item:hover .preview-item__overlay {
  opacity: 1;
}

.preview-item__remove {
  background: rgba(232, 114, 114, 0.9);
  border: none;
  color: white;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s var(--ease-spring);
}

.preview-item__remove:hover {
  transform: scale(1.15);
}

.preview-item__badge {
  position: absolute;
  bottom: 4px;
  right: 4px;
  background: rgba(0, 0, 0, 0.7);
  color: var(--color-text-muted);
  font-size: 0.65rem;
  padding: 2px 5px;
  border-radius: 4px;
  backdrop-filter: blur(4px);
}

/* Upload status overlays on preview items */
.preview-item__status {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s;
  pointer-events: none;
}

.preview-item__status.uploading {
  background: rgba(15, 14, 23, 0.6);
}

.preview-item__status.done {
  background: rgba(15, 14, 23, 0.4);
}

.preview-item__status.error {
  background: rgba(232, 114, 114, 0.25);
}

.preview-item__spinner {
  width: 24px;
  height: 24px;
  border: 2.5px solid rgba(255, 255, 255, 0.15);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.preview-item__check {
  font-size: 1.4rem;
  animation: previewPop 0.3s var(--ease-spring);
}

@keyframes previewPop {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}


/* ─── Upload Button ──────────────────────────────────────── */
.btn-upload {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  padding: 1rem 1.5rem;
  border: none;
  border-radius: var(--radius-md);
  background: var(--gradient-hero);
  color: var(--color-bg);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  box-shadow: var(--shadow-btn);
  position: relative;
  overflow: hidden;
}

.btn-upload::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn-upload:hover:not(:disabled)::before {
  opacity: 1;
}

.btn-upload:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(232, 200, 114, 0.4);
}

.btn-upload:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(232, 200, 114, 0.3);
}

.btn-upload:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  box-shadow: none;
}

/* ─── Button Row (upload + cancel) ─── */
.btn-row {
  display: flex;
  gap: var(--space-sm);
  align-items: stretch;
}

.btn-row .btn-upload {
  flex: 1;
}

.btn-cancel {
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s var(--ease-out);
  white-space: nowrap;
}

.btn-cancel:hover:not(:disabled) {
  border-color: var(--color-error);
  color: var(--color-error);
  background: rgba(232, 114, 114, 0.08);
}

.btn-cancel:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}


/* ─── Progress Bar ───────────────────────────────────────── */
.progress-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--color-bg-card);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  width: 0%;
  background: var(--gradient-hero);
  border-radius: 3px;
  transition: width 0.4s var(--ease-out);
  position: relative;
}

.progress-bar__fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  from { transform: translateX(-100%); }
  to   { transform: translateX(100%); }
}

.progress-text {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
}


/* ─── Result ─────────────────────────────────────────────── */
.result {
  text-align: center;
  padding: var(--space-xl);
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  animation: fadeInUp 0.5s var(--ease-out) both;
}

.result__icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.result__message {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.5;
}

.result--success {
  border-color: rgba(114, 232, 160, 0.2);
  background: var(--color-success-bg);
}

.result--error {
  border-color: rgba(232, 114, 114, 0.2);
  background: var(--color-error-bg);
}

.btn-more {
  margin-top: var(--space-lg);
  padding: 0.7rem 1.5rem;
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-accent);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
}

.btn-more:hover {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
}


/* ─── Footer ─────────────────────────────────────────────── */
.footer {
  text-align: center;
  padding: var(--space-xl) 0;
  color: var(--color-text-hint);
  font-size: 0.85rem;
  animation: fadeInUp 0.8s 0.4s var(--ease-out) both;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.footer__gallery-btn {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-accent);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.3s var(--ease-out);
}

.footer__gallery-btn:hover {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
}


/* ─── Password Screen ────────────────────────────────────── */
.password-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) 0;
  animation: fadeInUp 0.8s 0.2s var(--ease-out) both;
}

.password-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
  width: 100%;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.password-card__icon {
  font-size: 2.5rem;
  animation: gentleBounce 3s ease-in-out infinite;
}

.password-card__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.password-card__desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.password-card__error {
  font-size: 0.9rem;
  color: var(--color-error);
  margin-top: -0.5rem;
}

.password-card__gallery-link {
  font-size: 0.85rem;
  color: var(--color-text-hint);
  margin-top: var(--space-sm);
}

.password-card__gallery-link a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
}

.password-card__gallery-link a:hover {
  text-decoration: underline;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-8px); }
  40%       { transform: translateX(8px); }
  60%       { transform: translateX(-5px); }
  80%       { transform: translateX(5px); }
}

.shake {
  animation: shake 0.5s var(--ease-out);
  border-color: var(--color-error) !important;
  box-shadow: 0 0 0 3px rgba(232, 114, 114, 0.2) !important;
}


/* ─── Utilities ──────────────────────────────────────────── */
.hidden {
  display: none !important;
}


/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 480px) {
  .container {
    padding: var(--space-lg) var(--space-md) var(--space-2xl);
  }

  .hero {
    padding: var(--space-2xl) 0 var(--space-lg);
  }

  .dropzone {
    padding: var(--space-2xl) var(--space-md);
  }

  .preview-area {
    grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 580px;
    padding-top: var(--space-3xl);
  }
}