/* ==============================================
   AnimeEngine v4 - Style Sheet
   Neo-Brutalist Design System
   ============================================== */

/* --- CSS VARIABLES / THEMING --- */
:root,
:root[data-theme="default"] {
  /* Default Theme (Light Neo-Brutalist) */
  --bg-primary: #e0e7ff;
  --bg-dots: #a5b4fc;
  --bg-secondary: #f3f4f6;
  --text-primary: #000000;
  --text-secondary: #6b7280;
  --accent-pink: #ec4899;
  --accent-yellow: #fbbf24;
  --accent-blue: #06b6d4;
  --surface: #ffffff;
  --surface-alt: #f9fafb;
  --border: #000000;
  --shadow: #000000;
  --calendar-top: #ef4444;
}

/* Cyberpunk Theme (Dark Neon - High Contrast) */
:root[data-theme="cyberpunk"] {
  --bg-primary: #050508;
  --bg-dots: #1f1f3a;
  --bg-secondary: #0f0f1a;
  --text-primary: #ffffff;
  --text-secondary: #a0a0c0;
  --accent-pink: #ff2a6d;
  --accent-yellow: #f5d300;
  --accent-blue: #05d9e8;
  --surface: #10101a;
  --surface-alt: #1a1a2e;
  --border: #05d9e8;
  --shadow: #ff2a6d;
  --calendar-top: #ff2a6d;
}

/* Manga Theme (Black & White Paper) */
:root[data-theme="manga"] {
  --bg-primary: #f5f5dc;
  --bg-dots: #e8e8c8;
  --bg-secondary: #ebebd3;
  --text-primary: #1a1a1a;
  --text-secondary: #4a4a4a;
  --accent-pink: #333333;
  --accent-yellow: #666666;
  --accent-blue: #444444;
  --surface: #faf8f0;
  --surface-alt: #f0ede0;
  --border: #1a1a1a;
  --shadow: #1a1a1a;
  --calendar-top: #333333;
}

/* --- BASE STYLES --- */
* {
  box-sizing: border-box;
}

body {
  background-color: var(--bg-primary);
  background-image: radial-gradient(var(--bg-dots) 1px, transparent 1px);
  background-size: 24px 24px;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text-primary);
  margin: 0;
  padding: 0;
}

/* --- TYPOGRAPHY --- */
h1,
h2,
h3,
h4,
h5,
h6,
.font-display {
  font-family: "Archivo Black", sans-serif;
}

/* --- NEO-BRUTALIST COMPONENTS --- */
.neo-box {
  background-color: var(--surface);
  border: 3px solid var(--border);
  box-shadow: 6px 6px 0px 0px var(--shadow);
  transition: all 0.15s ease-in-out;
}

.neo-box:hover {
  box-shadow: 8px 8px 0px 0px var(--shadow);
  transform: translate(-1px, -1px);
}

.neo-box-static {
  background-color: var(--surface);
  border: 3px solid var(--border);
  box-shadow: 6px 6px 0px 0px var(--shadow);
}

.neo-input {
  border: 3px solid var(--border);
  box-shadow: 4px 4px 0px 0px var(--shadow);
  font-weight: bold;
  transition: all 0.1s;
}

.neo-input:focus {
  outline: none;
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px 0px var(--shadow);
}

.neo-btn {
  border: 3px solid var(--border);
  font-family: "Archivo Black", sans-serif;
  text-transform: uppercase;
  box-shadow: 5px 5px 0px 0px var(--shadow);
  transition: all 0.1s;
  cursor: pointer;
}

.neo-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0px 0px var(--shadow);
}

.neo-btn:active {
  transform: translate(2px, 2px);
  box-shadow: 0px 0px 0px 0px var(--shadow);
}

.neo-shadow {
  box-shadow: 6px 6px 0px 0px var(--shadow);
}

.neo-shadow-hover:hover {
  box-shadow: 8px 8px 0px 0px var(--shadow);
  transform: translate(-2px, -2px);
}

/* --- SCROLLBAR --- */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #121212;
}

::-webkit-scrollbar-thumb {
  background: var(--accent-pink);
  border: 2px solid var(--border);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-yellow);
}

/* --- CUSTOM INPUTS --- */
input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  background: transparent;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  height: 24px;
  width: 24px;
  border: 3px solid var(--border);
  background: var(--accent-pink);
  cursor: pointer;
  margin-top: -10px;
  box-shadow: 2px 2px 0px 0px var(--shadow);
  transition: background 0.2s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  background: var(--accent-yellow);
}

input[type="range"]::-webkit-slider-runnable-track {
  width: 100%;
  height: 8px;
  cursor: pointer;
  background: var(--surface);
  border: 2px solid var(--border);
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
}

/* --- ANIMATIONS --- */
.glitch-wrapper {
  position: relative;
}

.glitch-wrapper::before {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 3px;
  color: var(--accent-pink);
  z-index: -1;
  mix-blend-mode: multiply;
}

.glitch-wrapper::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: -3px;
  color: var(--accent-blue);
  z-index: -2;
  mix-blend-mode: multiply;
}

.loader {
  width: 20px;
  height: 20px;
  border: 3px solid var(--border);
  border-bottom-color: transparent;
  border-radius: 50%;
  display: inline-block;
  animation: rotation 1s linear infinite;
}

@keyframes rotation {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

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

.animate-enter {
  animation: slideUp 0.3s ease-out forwards;
}

/* --- RADAR ANIMATION (Idle State) --- */
.radar-grid {
  background-image: linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
  background-size: 20px 20px;
}

.tech-ring {
  animation: techPulse 2s ease-in-out infinite;
}

@keyframes techPulse {
  0%,
  100% {
    opacity: 0.3;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.05);
  }
}

.radar-scan {
  position: absolute;
  width: 50%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-pink));
  top: 50%;
  left: 50%;
  transform-origin: left center;
  animation: radarSweep 3s linear infinite;
}

@keyframes radarSweep {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* --- BENTO GRID --- */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 8px;
}

.bento-item {
  aspect-ratio: 2/3;
  overflow: hidden;
}

/* --- CALENDAR CARD --- */
.neo-card-calendar {
  background: var(--surface);
  border: 3px solid var(--border);
  box-shadow: 5px 5px 0px 0px var(--shadow);
  position: relative;
  overflow: hidden;
}

.neo-card-calendar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 12px;
  background: #ef4444;
  border-bottom: 3px solid var(--border);
}

/* --- UTILITIES --- */
.text-shadow {
  text-shadow: 2px 2px 0px rgba(0, 0, 0, 0.2);
}

.text-neo-pink {
  color: var(--accent-pink);
}

.text-neo-blue {
  color: var(--accent-blue);
}

.bg-neo-yellow {
  background-color: var(--accent-yellow);
}

.bg-neo-pink {
  background-color: var(--accent-pink);
}

/* --- SAVE INDICATOR --- */
.save-indicator {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #10b981;
  color: white;
  padding: 8px 16px;
  border: 2px solid black;
  box-shadow: 3px 3px 0 black;
  font-size: 12px;
  font-weight: bold;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
  z-index: 1000;
}

.save-indicator.show {
  opacity: 1;
  transform: translateY(0);
}

/* --- ACHIEVEMENTS SYSTEM --- */

/* Level Badge in Header */
.level-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--surface);
  border: 2px solid var(--border);
  box-shadow: 3px 3px 0 var(--shadow);
  cursor: pointer;
  transition: all 0.2s;
}

.level-badge:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--shadow);
}

.level-icon {
  font-size: 1.5rem;
}

.level-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.level-name {
  font-size: 10px;
  font-weight: bold;
  text-transform: uppercase;
}

.level-progress-bar {
  width: 60px;
  height: 4px;
  background: #e5e7eb;
  border: 1px solid var(--border);
  overflow: hidden;
}

.level-progress-fill {
  height: 100%;
  background: var(--accent-pink);
  transition: width 0.3s ease;
}

.level-xp {
  font-size: 8px;
  font-family: monospace;
  color: var(--text-secondary);
}

/* Achievement Notification */
.achievement-notification {
  position: fixed;
  top: 20px;
  right: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  border: 3px solid var(--border);
  box-shadow: 6px 6px 0 var(--shadow);
  z-index: 9999;
  opacity: 0;
  transform: translateX(100%);
  transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.achievement-notification.show {
  opacity: 1;
  transform: translateX(0);
}

.achievement-icon {
  font-size: 2.5rem;
  animation: bounce 0.6s ease infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.achievement-info {
  display: flex;
  flex-direction: column;
}

.achievement-title {
  font-size: 10px;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.achievement-name {
  font-family: "Archivo Black", sans-serif;
  font-size: 16px;
  text-transform: uppercase;
}

.achievement-xp {
  font-size: 12px;
  font-weight: bold;
  color: #166534;
  background: #dcfce7;
  padding: 2px 6px;
  display: inline-block;
  margin-top: 4px;
  border: 1px solid #166534;
}

/* Achievements Modal */
.achievements-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 9998;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.achievements-modal.open {
  display: flex;
}

.achievements-modal-content {
  background: var(--surface);
  border: 3px solid var(--border);
  box-shadow: 10px 10px 0 var(--shadow);
  max-width: 700px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
}

.achievements-modal-header {
  background: var(--border);
  color: var(--surface);
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.achievements-modal-title {
  font-family: "Archivo Black", sans-serif;
  font-size: 1.25rem;
  text-transform: uppercase;
}

.achievements-modal-close {
  background: var(--surface);
  color: var(--border);
  border: none;
  width: 30px;
  height: 30px;
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.achievements-modal-close:hover {
  background: #ef4444;
  color: white;
}

.achievements-stats {
  padding: 12px 20px;
  background: #f3f4f6;
  border-bottom: 2px solid var(--border);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12px;
  font-weight: bold;
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
  padding: 20px;
}

.achievement-card {
  padding: 16px;
  border: 2px solid var(--border);
  text-align: center;
  transition: all 0.2s;
}

.achievement-card.unlocked {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  box-shadow: 3px 3px 0 var(--shadow);
}

.achievement-card.locked {
  background: #f3f4f6;
  opacity: 0.6;
}

.achievement-card.unlocked:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--shadow);
}

.achievement-card-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

.achievement-card-name {
  font-weight: bold;
  font-size: 11px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.achievement-card-desc {
  font-size: 9px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.achievement-card-xp {
  font-size: 10px;
  font-weight: bold;
  color: #166534;
}

/* ================================================
   THEME SELECTOR
   ================================================ */

.theme-selector-container {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.theme-option {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--surface);
  border: 2px solid var(--border);
  box-shadow: 3px 3px 0 var(--shadow);
  cursor: pointer;
  transition: all 0.2s;
  font-size: 11px;
  font-weight: bold;
  text-transform: uppercase;
}

.theme-option:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--shadow);
}

.theme-option.active {
  background: var(--accent-pink);
  color: white;
}

.theme-option-icon {
  font-size: 1rem;
}

.theme-option-name {
  display: none;
}

@media (min-width: 768px) {
  .theme-option-name {
    display: inline;
  }
}

/* ================================================
   CYBERPUNK THEME SPECIAL EFFECTS
   ================================================ */

.theme-cyberpunk body {
  background-image: 
    radial-gradient(var(--bg-dots) 1px, transparent 1px),
    linear-gradient(0deg, rgba(0, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 0, 255, 0.03) 1px, transparent 1px);
  background-size: 24px 24px, 50px 50px, 50px 50px;
}

.theme-cyberpunk .neo-box,
.theme-cyberpunk .neo-btn {
  box-shadow: 4px 4px 0 var(--shadow), 0 0 10px rgba(255, 0, 255, 0.3);
}

.theme-cyberpunk .neo-box:hover {
  box-shadow: 6px 6px 0 var(--shadow), 0 0 20px rgba(0, 255, 255, 0.4);
}

.theme-cyberpunk .glitch-wrapper::before {
  color: var(--accent-pink);
  text-shadow: 0 0 10px var(--accent-pink);
}

.theme-cyberpunk .glitch-wrapper::after {
  color: var(--accent-blue);
  text-shadow: 0 0 10px var(--accent-blue);
}

.theme-cyberpunk .radar-scan {
  background: linear-gradient(90deg, transparent, var(--accent-blue));
  box-shadow: 0 0 10px var(--accent-blue);
}

.theme-cyberpunk .level-progress-fill,
.theme-cyberpunk #progress-bar {
  background: linear-gradient(90deg, var(--accent-pink), var(--accent-blue));
}

.theme-cyberpunk .achievement-notification {
  background: linear-gradient(135deg, #1a1a2e 0%, #2a2a4e 100%);
  border-color: var(--accent-blue);
  color: var(--text-primary);
}

/* ================================================
   MANGA THEME SPECIAL EFFECTS
   ================================================ */

.theme-manga body {
  background-image: none;
  background-color: var(--bg-primary);
  position: relative;
}

.theme-manga body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
  z-index: -1;
}

.theme-manga .neo-box,
.theme-manga .neo-btn {
  box-shadow: 4px 4px 0 var(--shadow);
  border-width: 2px;
}

.theme-manga .glitch-wrapper::before,
.theme-manga .glitch-wrapper::after {
  display: none;
}

.theme-manga .radar-scan {
  background: linear-gradient(90deg, transparent, #333);
}

.theme-manga img {
  filter: grayscale(100%) contrast(1.1);
}

.theme-manga img:hover {
  filter: grayscale(0%) contrast(1);
}

/* ================================================
   NAV / FUTURE PAGES STRUCTURE
   ================================================ */

.app-nav {
  display: flex;
  gap: 4px;
  background: var(--surface);
  border: 2px solid var(--border);
  padding: 4px;
}

.app-nav-item {
  padding: 8px 16px;
  font-size: 11px;
  font-weight: bold;
  text-transform: uppercase;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-primary);
}

.app-nav-item:hover {
  background: var(--bg-secondary);
}

.app-nav-item.active {
  background: var(--border);
  color: var(--surface);
}

.app-nav-item i {
  margin-right: 6px;
}

/* Page container for future multi-page */
/* Page container for future multi-page */
.page-container {
  /* Logic moved to Tailwind classes (hidden/grid) */
}

.page-container.active {
  animation: slideUp 0.3s ease-out forwards;
}

/* ================================================
   SHARE MODAL
   ================================================ */

.share-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  z-index: 9998;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.share-modal.open {
  display: flex;
}

.share-modal-content {
  background: var(--surface);
  border: 3px solid var(--border);
  box-shadow: 10px 10px 0 var(--shadow);
  max-width: 650px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.share-modal-header {
  background: var(--border);
  color: var(--surface);
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.share-modal-title {
  font-family: "Archivo Black", sans-serif;
  font-size: 1.25rem;
  text-transform: uppercase;
}

.share-modal-close {
  background: var(--surface);
  color: var(--border);
  border: none;
  width: 30px;
  height: 30px;
  font-size: 1.25rem;
  cursor: pointer;
}

.share-preview {
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  background: var(--bg-secondary);
}

.share-actions {
  padding: 16px 20px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  border-top: 2px solid var(--border);
}

.share-btn {
  padding: 12px 24px;
  font-family: "Archivo Black", sans-serif;
  font-size: 12px;
  text-transform: uppercase;
  border: 3px solid var(--border);
  box-shadow: 4px 4px 0 var(--shadow);
  cursor: pointer;
  transition: all 0.1s;
  display: flex;
  align-items: center;
  gap: 8px;
}

.share-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--shadow);
}

.share-btn:active {
  transform: translate(2px, 2px);
  box-shadow: 0 0 0 var(--shadow);
}

.share-btn-download {
  background: #10b981;
  color: white;
}

.share-btn-copy {
  background: #3b82f6;
  color: white;
}

/* Share Notification */
.share-notification {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #10b981;
  color: white;
  padding: 12px 24px;
  border: 3px solid black;
  box-shadow: 4px 4px 0 black;
  font-weight: bold;
  font-size: 14px;
  z-index: 9999;
  opacity: 0;
  transition: all 0.3s ease;
}

.share-notification.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Share Button in Stack Header */
.share-stack-btn {
  background: var(--accent-pink);
  color: white;
  border: none;
  padding: 6px 12px;
  font-size: 10px;
  font-weight: bold;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.1s;
  display: flex;
  align-items: center;
  gap: 4px;
}

.share-stack-btn:hover {
  background: var(--accent-yellow);
  color: black;
}

/* ================================================
   RATING MODAL & STAR SYSTEM
   ================================================ */

.rating-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.rating-modal.open {
  display: flex;
}

.rating-content {
  background: var(--surface);
  border: 3px solid var(--border);
  box-shadow: 10px 10px 0 var(--shadow);
  max-width: 400px;
  width: 100%;
  padding: 24px;
  text-align: center;
}

.rating-stars {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 20px 0;
  flex-direction: row-reverse; /* Tricks for CSS hover */
}

.rating-stars input {
  display: none;
}

.rating-stars label {
  cursor: pointer;
  font-size: 32px;
  color: #d1d5db;
  transition: all 0.2s;
}

/* Stars logic: fill when checked/hovered */
.rating-stars label:hover,
.rating-stars label:hover ~ label,
.rating-stars input:checked ~ label {
  color: var(--accent-yellow);
  text-shadow: 2px 2px 0 var(--border);
}

.rating-favorite-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 20px;
  cursor: pointer;
  font-weight: bold;
  font-size: 14px;
  text-transform: uppercase;
}

.rating-favorite-label input {
  display: none;
}

.rating-favorite-icon {
  font-size: 24px;
  color: #d1d5db;
  transition: all 0.2s;
}

.rating-favorite-label input:checked ~ .rating-favorite-icon {
  color: #ef4444;
  transform: scale(1.2);
}

/* ================================================
   LISTS & GRIDS (History/Favorites)
   ================================================ */

.anime-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
}