/*
 * Retro UI - Vanilla CSS
 * A pixel-perfect retro gaming UI library
 * No build step required - just include and use!
 */

/* ================================
 * FONT FACE DECLARATIONS
 * ================================ */
@font-face {
  font-family: 'Minecraft';
  src: url('../fonts/Minecraft.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: 'Minecraft';
  src: url('../fonts/Minecraft-Bold.otf') format('opentype');
  font-weight: bold;
  font-style: normal;
}

/* ================================
 * CSS CUSTOM PROPERTIES (THEME SYSTEM)
 * ================================ */
:root {
  /* Primary theme colors */
  --retro-primary-bg: #c381b5;
  --retro-primary-text: #fefcd0;
  --retro-primary-shadow: #fefcd0;
  
  /* Secondary theme colors */
  --retro-secondary-bg: #fefcd0;
  --retro-secondary-text: #000000;
  --retro-secondary-shadow: #c381b5;
  
  /* Component-specific colors */
  --retro-button-bg: var(--retro-primary-bg);
  --retro-button-text: var(--retro-primary-text);
  --retro-button-shadow: var(--retro-primary-shadow);
  --retro-button-border: #000000;
  
  --retro-card-bg: #ffffff;
  --retro-card-text: #000000;
  --retro-card-shadow: #000000;
  --retro-card-border: #000000;
  
  --retro-input-bg: #ffffff;
  --retro-input-text: #000000;
  --retro-input-border: #000000;
  
  /* Typography */
  --retro-font-family: 'Minecraft', 'Courier New', monospace;
  --retro-font-size: 16px;
  --retro-line-height: 1.4;
  
  /* Spacing */
  --retro-spacing-xs: 4px;
  --retro-spacing-sm: 8px;
  --retro-spacing-md: 16px;
  --retro-spacing-lg: 24px;
  --retro-spacing-xl: 32px;
  
  /* Border properties */
  --retro-border-width: 5px;
  --retro-border-radius: 0px; /* Pixel perfect - no rounded corners */
  
  /* Shadows */
  --retro-shadow-offset: 2px;
  --retro-shadow-blur: 0px;
  
  /* Pixel border SVG */
  --retro-pixel-border: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8'%3E%3Cpath d='M3 1h1v1h-1zM4 1h1v1h-1zM2 2h1v1h-1zM5 2h1v1h-1zM1 3h1v1h-1zM6 3h1v1h-1zM1 4h1v1h-1zM6 4h1v1h-1zM2 5h1v1h-1zM5 5h1v1h-1zM3 6h1v1h-1zM4 6h1v1h-1z' fill='%23000000'/%3E%3C/svg%3E");
}

/* ================================
 * BASE STYLES
 * ================================ */
.retro-ui {
  font-family: var(--retro-font-family);
  font-size: var(--retro-font-size);
  line-height: var(--retro-line-height);
  box-sizing: border-box;
}

.retro-ui *,
.retro-ui *::before,
.retro-ui *::after {
  box-sizing: inherit;
}

/* ================================
 * BUTTON COMPONENT
 * ================================ */
.retro-button,
button[data-retro],
input[type="button"][data-retro],
input[type="submit"][data-retro],
input[type="reset"][data-retro] {
  display: inline-block;
  position: relative;
  padding: var(--retro-spacing-sm) var(--retro-spacing-md);
  margin: var(--retro-spacing-xs);
  
  font-family: var(--retro-font-family);
  font-size: var(--retro-font-size);
  
  background-color: var(--retro-button-bg);
  color: var(--retro-button-text);
  
  border: var(--retro-border-width) solid var(--retro-button-border);
  border-image: var(--retro-pixel-border);
  border-image-slice: 3;
  border-image-width: 2;
  border-image-repeat: stretch;
  border-image-outset: 2;
  
  box-shadow: 
    var(--retro-shadow-offset) var(--retro-shadow-offset) var(--retro-shadow-blur) var(--retro-shadow-offset) var(--retro-button-shadow),
    calc(-1 * var(--retro-shadow-offset)) calc(-1 * var(--retro-shadow-offset)) var(--retro-shadow-blur) var(--retro-shadow-offset) var(--retro-button-bg);
  
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: transform 0.1s ease;
  
  /* Prevent text selection */
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.retro-button:hover,
button[data-retro]:hover,
input[type="button"][data-retro]:hover,
input[type="submit"][data-retro]:hover,
input[type="reset"][data-retro]:hover {
  filter: brightness(1.1);
}

.retro-button:active,
button[data-retro]:active,
input[type="button"][data-retro]:active,
input[type="submit"][data-retro]:active,
input[type="reset"][data-retro]:active {
  transform: translateY(var(--retro-shadow-offset));
  box-shadow: 
    var(--retro-shadow-offset) var(--retro-shadow-offset) var(--retro-shadow-blur) var(--retro-shadow-offset) var(--retro-button-bg),
    calc(-1 * var(--retro-shadow-offset)) calc(-1 * var(--retro-shadow-offset)) var(--retro-shadow-blur) var(--retro-shadow-offset) var(--retro-button-bg);
}

.retro-button:focus,
button[data-retro]:focus,
input[type="button"][data-retro]:focus,
input[type="submit"][data-retro]:focus,
input[type="reset"][data-retro]:focus {
  outline: 2px solid var(--retro-button-shadow);
  outline-offset: 2px;
}

/* Button variants */
.retro-button.secondary,
button[data-retro="secondary"] {
  --retro-button-bg: var(--retro-secondary-bg);
  --retro-button-text: var(--retro-secondary-text);
  --retro-button-shadow: var(--retro-secondary-shadow);
}

/* ================================
 * CARD COMPONENT
 * ================================ */
.retro-card,
.card[data-retro],
article[data-retro] {
  display: block;
  margin: var(--retro-spacing-md);
  padding: var(--retro-spacing-md);
  
  background-color: var(--retro-card-bg);
  color: var(--retro-card-text);
  
  border: var(--retro-border-width) solid var(--retro-card-border);
  border-image: var(--retro-pixel-border);
  border-image-slice: 3;
  border-image-width: 2;
  border-image-repeat: stretch;
  border-image-outset: 2;
  
  box-shadow: 
    var(--retro-shadow-offset) var(--retro-shadow-offset) var(--retro-shadow-blur) var(--retro-shadow-offset) var(--retro-card-shadow),
    calc(-1 * var(--retro-shadow-offset)) calc(-1 * var(--retro-shadow-offset)) var(--retro-shadow-blur) var(--retro-shadow-offset) var(--retro-card-bg);
  
  font-family: var(--retro-font-family);
}

/* ================================
 * INPUT COMPONENTS
 * ================================ */
.retro-input,
input[data-retro],
input[type="text"][data-retro],
input[type="email"][data-retro],
input[type="password"][data-retro],
input[type="number"][data-retro],
input[type="search"][data-retro],
input[type="tel"][data-retro],
input[type="url"][data-retro] {
  display: inline-block;
  width: auto;
  padding: var(--retro-spacing-sm) var(--retro-spacing-md);
  margin: var(--retro-spacing-xs);
  
  font-family: var(--retro-font-family);
  font-size: var(--retro-font-size);
  
  background-color: var(--retro-input-bg);
  color: var(--retro-input-text);
  
  border: var(--retro-border-width) solid var(--retro-input-border);
  border-image: var(--retro-pixel-border);
  border-image-slice: 3;
  border-image-width: 2;
  border-image-repeat: stretch;
  border-image-outset: 2;
  
  box-shadow: 
    var(--retro-shadow-offset) var(--retro-shadow-offset) var(--retro-shadow-blur) var(--retro-shadow-offset) var(--retro-input-bg),
    calc(-1 * var(--retro-shadow-offset)) calc(-1 * var(--retro-shadow-offset)) var(--retro-shadow-blur) var(--retro-shadow-offset) var(--retro-input-bg);
}

.retro-input:focus,
input[data-retro]:focus {
  outline: 2px solid var(--retro-primary-bg);
  outline-offset: 2px;
}

/* ================================
 * TEXTAREA COMPONENT
 * ================================ */
.retro-textarea,
textarea[data-retro] {
  display: block;
  width: 100%;
  min-height: 100px;
  padding: var(--retro-spacing-sm) var(--retro-spacing-md);
  margin: var(--retro-spacing-xs);
  
  font-family: var(--retro-font-family);
  font-size: var(--retro-font-size);
  line-height: var(--retro-line-height);
  
  background-color: var(--retro-input-bg);
  color: var(--retro-input-text);
  
  border: var(--retro-border-width) solid var(--retro-input-border);
  border-image: var(--retro-pixel-border);
  border-image-slice: 3;
  border-image-width: 2;
  border-image-repeat: stretch;
  border-image-outset: 2;
  
  box-shadow: 
    var(--retro-shadow-offset) var(--retro-shadow-offset) var(--retro-shadow-blur) var(--retro-shadow-offset) var(--retro-input-bg),
    calc(-1 * var(--retro-shadow-offset)) calc(-1 * var(--retro-shadow-offset)) var(--retro-shadow-blur) var(--retro-shadow-offset) var(--retro-input-bg);
  
  resize: vertical;
}

.retro-textarea:focus,
textarea[data-retro]:focus {
  outline: 2px solid var(--retro-primary-bg);
  outline-offset: 2px;
}

/* ================================
 * PROGRESS BAR COMPONENT
 * ================================ */
.retro-progress {
  --progress: 0;
  
  display: block;
  width: 100%;
  height: 32px;
  margin: var(--retro-spacing-md);
  
  background-color: var(--retro-secondary-bg);
  
  border: var(--retro-border-width) solid var(--retro-input-border);
  border-image: var(--retro-pixel-border);
  border-image-slice: 3;
  border-image-width: 2;
  border-image-repeat: stretch;
  border-image-outset: 2;
  
  box-shadow: 
    var(--retro-shadow-offset) var(--retro-shadow-offset) var(--retro-shadow-blur) var(--retro-shadow-offset) var(--retro-card-shadow),
    calc(-1 * var(--retro-shadow-offset)) calc(-1 * var(--retro-shadow-offset)) var(--retro-shadow-blur) var(--retro-shadow-offset) var(--retro-secondary-bg);
  
  position: relative;
  overflow: hidden;
}

.retro-progress::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: calc(var(--progress) * 1%);
  background-color: var(--retro-primary-bg);
  transition: width 0.3s ease;
}

.retro-progress[data-progress] {
  --progress: attr(data-progress);
}

/* ================================
 * UTILITY CLASSES
 * ================================ */
.retro-font {
  font-family: var(--retro-font-family);
}

.retro-text-center {
  text-align: center;
}

.retro-text-left {
  text-align: left;
}

.retro-text-right {
  text-align: right;
}

.retro-m-0 { margin: 0; }
.retro-m-1 { margin: var(--retro-spacing-xs); }
.retro-m-2 { margin: var(--retro-spacing-sm); }
.retro-m-3 { margin: var(--retro-spacing-md); }
.retro-m-4 { margin: var(--retro-spacing-lg); }
.retro-m-5 { margin: var(--retro-spacing-xl); }

.retro-p-0 { padding: 0; }
.retro-p-1 { padding: var(--retro-spacing-xs); }
.retro-p-2 { padding: var(--retro-spacing-sm); }
.retro-p-3 { padding: var(--retro-spacing-md); }
.retro-p-4 { padding: var(--retro-spacing-lg); }
.retro-p-5 { padding: var(--retro-spacing-xl); }

/* ================================
 * RESPONSIVE DESIGN
 * ================================ */
@media (max-width: 768px) {
  :root {
    --retro-font-size: 14px;
    --retro-spacing-md: 12px;
    --retro-spacing-lg: 18px;
  }
  
  .retro-button,
  button[data-retro] {
    padding: var(--retro-spacing-xs) var(--retro-spacing-sm);
  }
  
  .retro-card,
  .card[data-retro] {
    margin: var(--retro-spacing-sm);
    padding: var(--retro-spacing-sm);
  }
}

/* ================================
 * PRINT STYLES
 * ================================ */
@media print {
  .retro-button,
  button[data-retro] {
    box-shadow: none;
    border: 1px solid #000;
  }
  
  .retro-card,
  .card[data-retro] {
    box-shadow: none;
    border: 1px solid #000;
  }
}