/* ==========================================================================
   COZY BADGES - DESIGN SYSTEM & STYLESHEET
   ========================================================================== */

:root {
  /* Harmonious, cozy pastel color palette */
  --color-primary: #5BB8F5;
  /* Sky Blue */
  --color-primary-light: #E8F5FE;
  --color-accent: #FFB74D;
  /* Warm Peach/Orange */
  --color-accent-light: #FFF3E0;
  --color-neutral-dark: #766F89;
  /* Cozy Charcoal/Slate */
  --color-neutral-medium: #AAA3BE;
  /* Lavender Gray */
  --color-neutral-light: #F2F0F6;
  /* Soft Lilac White */
  --color-white: #FFFFFF;
  --color-bg-export: #FFF8E7;
  /* Notebook Cream */
  --color-selected: #5BB8F5;

  /* Font Stacks */
  --font-title: 'Fredoka', cursive, sans-serif;
  --font-body: 'Nunito', sans-serif;

  /* Soft shadows & details */
  --shadow-sm: 0 4px 10px rgba(92, 87, 112, 0.05);
  --shadow-md: 0 8px 24px rgba(92, 87, 112, 0.08);
  --shadow-lg: 0 16px 36px rgba(92, 87, 112, 0.12);
  --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.04);
  --border-radius-pill: 9999px;
  --border-radius-card: 20px;
  --border-radius-panel: 28px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   GLOBAL STYLES & RESET
   ========================================================================== */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  color: var(--color-neutral-dark);
  min-height: 100vh;
  overflow-x: hidden;
  background-color: #E6F3FC;
  background-image: url('../public/desktop.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-repeat: no-repeat;
  transition: background-image var(--transition-slow);
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.3);
  border-radius: var(--border-radius-pill);
}

::-webkit-scrollbar-thumb {
  background: var(--color-neutral-medium);
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--border-radius-pill);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-neutral-dark);
}

/* Screen Transitions */
.screen {
  opacity: 0;
  visibility: hidden;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 100vh;
  transition: opacity var(--transition-slow), filter var(--transition-slow), transform var(--transition-slow);
  pointer-events: none;
}

.screen.active {
  opacity: 1;
  visibility: visible;
  position: relative;
  pointer-events: auto;
}

/* Blur transition between screens */
.screen.blurred {
  filter: blur(10px);
  opacity: 0.4;
  transform: scale(0.98);
  pointer-events: none;
  visibility: visible;
  height: 100vh;
  overflow: hidden;
}

/* ==========================================================================
   LANDING SCREEN (PANTALLA 1)
   ========================================================================== */

#landing-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: 120px;
  /* Space for sticky export button */
}

/* Sticky Header & Search Bar */
.sticky-search {
  position: sticky;
  top: 0;
  width: 100%;
  padding: 20px 24px;
  z-index: 100;
  display: flex;
  justify-content: center;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: none;
  box-shadow: none;
}

.search-bar-wrapper {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  max-width: 650px;
}

.omnibadge-container {
  display: flex;
  align-items: center;
  background: var(--color-white);
  border-radius: var(--border-radius-pill);
  padding: 8px 16px 8px 8px;
  box-shadow: var(--shadow-md);
  border: 3px solid #EAE6F3;
  flex: 1;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.omnibadge-container:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 10px 25px rgba(91, 184, 245, 0.15);
  transform: translateY(-1px);
}

#omnibadge-face {
  height: 44px;
  width: auto;
  user-select: none;
  transition: transform var(--transition-normal);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.05));
}

#search-input {
  flex: 1;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-neutral-dark);
  padding: 0 12px;
  background: transparent;
}

#search-input::placeholder {
  color: var(--color-neutral-medium);
  font-weight: 500;
}

#search-icon {
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  padding: 4px;
  color: var(--color-neutral-medium);
  transition: transform var(--transition-fast);
}

#search-icon svg {
  width: 20px;
  height: 20px;
}

#search-icon:hover {
  transform: scale(1.15);
}

/* Language Switcher Button */
.lang-btn {
  background: var(--color-white);
  border: 2px solid #EAE6F3;
  color: var(--color-neutral-dark);
  font-family: var(--font-title);
  font-size: 0.95rem;
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.lang-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.lang-btn:active {
  transform: translateY(0);
}

/* Hero Section */
#hero {
  text-align: center;
  margin: 60px 24px 30px;
  max-width: 800px;
}

#hero h1 {
  font-family: var(--font-title);
  font-size: 4rem;
  color: #3360B5;
  text-shadow:
    -6px -6px 0 #ffffff,
    6px -6px 0 #ffffff,
    -6px 6px 0 #ffffff,
    6px 6px 0 #ffffff,
    0px -6px 0 #ffffff,
    0px 6px 0 #ffffff,
    -6px 0px 0 #ffffff,
    6px 0px 0 #ffffff;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
  animation: float 6s ease-in-out infinite;
}

#hero p {
  font-family: var(--font-title);
  font-size: 1.35rem;
  font-weight: normal;
  color: #19376D;
  line-height: 1.4;
}

/* Preset Chips (Filtros) */
#preset-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  max-width: 900px;
  margin: 0 24px 40px;
}

.preset-chip {
  background: rgba(255, 255, 255, 0.7);
  border: 2px dashed rgba(170, 163, 190, 0.5);
  color: var(--color-neutral-dark);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 10px 20px;
  border-radius: var(--border-radius-pill);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  backdrop-filter: blur(4px);
}

.preset-chip:hover {
  background: var(--color-white);
  border-style: solid;
  border-color: var(--color-primary);
  transform: scale(1.06) translateY(-2px);
  box-shadow: var(--shadow-md);
}

.preset-chip.active {
  background: var(--color-primary);
  border: 2px solid var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 8px 20px rgba(91, 184, 245, 0.3);
  transform: scale(1.04) translateY(-1px);
}

/* Badge Grid Section (Desktop Layout) */
#badge-grid-container {
  width: 100%;
  max-width: 1400px;
  padding: 20px 40px;
  overflow: hidden;
  position: relative;
}

/* In Desktop: Horizontal Scroll with gentle auto-scroll and wrap options */
#badge-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  padding: 10px;
  transition: all var(--transition-slow);
}

/* Badge Cards */
.badge-card {
  position: relative;
  background: rgba(255, 255, 255, 0.85);
  border: 2px solid transparent;
  border-radius: var(--border-radius-card);
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  backdrop-filter: blur(8px);
  min-width: 160px;
  min-height: 90px;
}

.badge-card img {
  max-height: 48px;
  width: auto;
  pointer-events: none;
  transition: transform var(--transition-normal);
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.04));
}

.badge-card:hover {
  background: var(--color-white);
  transform: translateY(-5px) scale(1.03);
  box-shadow: var(--shadow-lg);
}

.badge-card:hover img {
  transform: scale(1.05);
}

/* Selection State styling */
.badge-card.selected {
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 10px 25px rgba(91, 184, 245, 0.2);
}

.badge-card.selected::after {
  content: "✓";
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--color-primary);
  color: var(--color-white);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  border: 2px solid var(--color-white);
  box-shadow: var(--shadow-sm);
  animation: pop var(--transition-fast);
}

/* Empty search results state */
.no-results-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  text-align: center;
  width: 100%;
}

.no-results-container img {
  height: 100px;
  width: auto;
  margin-bottom: 20px;
  animation: wobble 2s ease-in-out infinite;
}

.no-results-container p {
  font-family: var(--font-title);
  font-size: 1.5rem;
  color: var(--color-neutral-dark);
}

/* Float Sticky Export Button at the bottom */
.export-button {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  /* initially hidden if none selected, animated via JS */
  background: var(--color-white);
  border: 3px solid var(--color-accent);
  color: var(--color-neutral-dark);
  font-family: var(--font-title);
  font-size: 1.35rem;
  padding: 16px 44px;
  border-radius: var(--border-radius-pill);
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(255, 183, 77, 0.25);
  transition: all var(--transition-normal);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
}

.export-button.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.export-button:hover {
  background: var(--color-accent-light);
  transform: translateX(-50%) translateY(-3px) scale(1.03);
  box-shadow: 0 14px 35px rgba(255, 183, 77, 0.35);
}

.export-button:active {
  transform: translateX(-50%) translateY(-1px);
}

/* ==========================================================================
   EXPORT SCREEN (PANTALLA 2)
   ========================================================================== */

#export-screen {
  background: rgba(230, 243, 252, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  z-index: 200;
}

/* Sticker Mascot Omnibadge */
.sticker-omnibadge {
  position: absolute;
  top: 15px;
  right: 15%;
  height: 90px;
  width: auto;
  z-index: 210;
  transform: rotate(-5deg);
  filter: drop-shadow(3px 6px 8px rgba(92, 87, 112, 0.2));
  user-select: none;
  animation: drift 5s ease-in-out infinite alternate;
}

/* Notebook background cream grid */
.notebook-bg {
  background-color: var(--color-bg-export);
  background-image:
    linear-gradient(rgba(170, 163, 190, 0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(170, 163, 190, 0.15) 1px, transparent 1px);
  background-size: 24px 24px;
  width: 100%;
  max-width: 750px;
  border-radius: var(--border-radius-panel);
  padding: 48px;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--color-white);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* Margin line on the left of the paper */
.notebook-bg::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 35px;
  width: 2px;
  background: rgba(244, 67, 54, 0.25);
  /* Pink margin line */
}

.notebook-bg h2 {
  font-family: var(--font-title);
  font-size: 2.25rem;
  color: var(--color-neutral-dark);
  margin-left: 20px;
  margin-bottom: 10px;
}

/* Grid of selected badges on export screen */
#export-badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding: 10px 10px 10px 20px;
  max-height: 240px;
  overflow-y: auto;
  min-height: 80px;
}

.export-badge-item {
  position: relative;
  background: var(--color-white);
  padding: 8px 16px;
  border-radius: var(--border-radius-card);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(170, 163, 190, 0.15);
}

.export-badge-item img {
  max-height: 36px;
  width: auto;
}

.export-badge-item .remove-btn {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #FF8A80;
  border: 1px solid var(--color-white);
  color: var(--color-white);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.export-badge-item .remove-btn:hover {
  background: #FF5252;
  transform: scale(1.15);
}

/* Export Actions */
#export-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-left: 20px;
}

.copy-btn {
  background: var(--color-white);
  border: 3px solid var(--color-primary);
  color: var(--color-neutral-dark);
  font-family: var(--font-title);
  font-size: 1.15rem;
  padding: 14px 24px;
  border-radius: var(--border-radius-pill);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.copy-btn:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.copy-btn:active {
  transform: translateY(0);
}

#copy-markdown {
  border-color: var(--color-accent);
}

#copy-markdown:hover {
  background: var(--color-accent-light);
}

.back-btn {
  grid-column: span 2;
  background: transparent;
  border: none;
  color: var(--color-neutral-medium);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  padding: 10px;
  transition: color var(--transition-fast);
}

.back-btn:hover {
  color: var(--color-neutral-dark);
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */

.toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(0);
  background: rgba(91, 184, 245, 0.95);
  color: var(--color-white);
  font-family: var(--font-title);
  font-size: 1.15rem;
  padding: 14px 32px;
  border-radius: var(--border-radius-pill);
  box-shadow: 0 10px 30px rgba(91, 184, 245, 0.3);
  z-index: 300;
  backdrop-filter: blur(8px);
  border: 2px solid rgba(255, 255, 255, 0.2);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  pointer-events: none;
}

.toast.hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(20px);
}

/* ==========================================================================
   KEYFRAME ANIMATIONS
   ========================================================================== */

@keyframes float {
  0% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-8px);
  }

  100% {
    transform: translateY(0px);
  }
}

@keyframes drift {
  0% {
    transform: rotate(-5deg) translateY(0);
  }

  100% {
    transform: rotate(-2deg) translateY(-5px);
  }
}

@keyframes pop {
  0% {
    transform: scale(0);
  }

  80% {
    transform: scale(1.15);
  }

  100% {
    transform: scale(1);
  }
}

@keyframes wobble {

  0%,
  100% {
    transform: rotate(0deg);
  }

  25% {
    transform: rotate(-4deg);
  }

  75% {
    transform: rotate(4deg);
  }
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */

@media (max-width: 900px) {
  .sticker-omnibadge {
    right: 8%;
    height: 75px;
  }

  .notebook-bg {
    padding: 36px;
  }
}

@media (max-width: 768px) {
  body {
    background-image: url('../public/mobile.png');
  }

  #hero h1 {
    font-size: 2.75rem;
  }

  #hero p {
    font-size: 1.1rem;
  }

  /* In Mobile: horizontal scroll turns into structured vertical column layout */
  #badge-grid-container {
    padding: 10px 16px;
  }

  #badge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
    max-height: 55vh;
    overflow-y: auto;
  }

  .badge-card {
    min-width: unset;
    min-height: 75px;
    padding: 12px;
  }

  .badge-card img {
    max-height: 36px;
  }

  #export-actions {
    grid-template-columns: 1fr;
  }

  .copy-btn {
    padding: 12px 16px;
  }

  .back-btn {
    grid-column: span 1;
  }

  .sticker-omnibadge {
    display: none;
    /* Hide sticker on very small screens to avoid overlay clutter */
  }

  .notebook-bg {
    padding: 24px 16px 24px 28px;
  }

  .notebook-bg::before {
    left: 20px;
  }

  .notebook-bg h2 {
    margin-left: 5px;
    font-size: 1.75rem;
  }

  #export-badge-list {
    padding-left: 10px;
  }
}

@media (max-width: 480px) {
  .search-bar-wrapper {
    gap: 8px;
  }

  .omnibadge-container {
    padding: 6px 12px 6px 6px;
  }

  #omnibadge-face {
    height: 32px;
  }

  #search-input {
    font-size: 0.95rem;
    padding: 0 6px;
  }

  .lang-btn {
    padding: 8px 10px;
    font-size: 0.85rem;
    border-radius: 8px;
  }

  #hero h1 {
    font-size: 2.25rem;
  }
}