/**
 * Windows 95 Retro Utilities
 * 3D borders, button states, panels, and common component styles
 */

/* ========================================
   3D Border Effects
   ======================================== */

/* Raised Border (buttons, windows, panels) */
.border-raised {
  border-style: solid;
  border-width: var(--border-width);
  border-top-color: var(--border-raised-light);
  border-left-color: var(--border-raised-light);
  border-right-color: var(--border-raised-darker);
  border-bottom-color: var(--border-raised-darker);
  box-shadow: 
    inset 1px 1px 0px var(--win95-white),
    inset -1px -1px 0px var(--border-raised-dark);
}

/* Sunken Border (input fields, panels, pressed buttons) */
.border-sunken {
  border-style: solid;
  border-width: var(--border-width);
  border-top-color: var(--border-sunken-light);
  border-left-color: var(--border-sunken-light);
  border-right-color: var(--border-sunken-dark);
  border-bottom-color: var(--border-sunken-dark);
  box-shadow: 
    inset -1px -1px 0px var(--win95-gray-light);
}

/* Flat Border (neutral) */
.border-flat {
  border: var(--border-thin) solid var(--win95-black);
}

/* Field Border (text inputs, textareas) */
.border-field {
  border: var(--border-width) solid;
  border-color: var(--win95-gray-darker) var(--win95-white) 
                var(--win95-white) var(--win95-gray-darker);
}

/* Groove Border (fieldsets) */
.border-groove {
  border: var(--border-width) groove var(--win95-button-shadow);
}

/* Ridge Border (decorative) */
.border-ridge {
  border: var(--border-width) ridge var(--win95-button-shadow);
}

/* ========================================
   Panel & Window Backgrounds
   ======================================== */

.panel-background,
.retro-panel {
  background-color: var(--win95-button-face);
  color: var(--color-text);
}

.panel-sunken {
  background-color: var(--win95-white);
  border: var(--border-width) solid;
  border-color: var(--border-sunken-light) var(--border-sunken-dark) 
                var(--border-sunken-dark) var(--border-sunken-light);
  box-shadow: inset -1px -1px 0px var(--win95-gray-light);
}

.panel-raised {
  background-color: var(--win95-button-face);
  border: var(--border-width) solid;
  border-color: var(--border-raised-light) var(--border-raised-dark) 
                var(--border-raised-dark) var(--border-raised-light);
  box-shadow: 
    inset 1px 1px 0px var(--win95-white),
    inset -1px -1px 0px var(--border-raised-dark);
}

/* ========================================
   Title Bar Gradients
   ======================================== */

.titlebar-gradient {
  background: linear-gradient(
    90deg,
    var(--win95-blue-gradient-start) 0%,
    var(--win95-blue-gradient-end) 100%
  );
  color: var(--win95-white);
}

.titlebar-gradient-inactive {
  background: linear-gradient(
    90deg,
    var(--win95-gray-dark) 0%,
    var(--win95-gray-light) 100%
  );
  color: var(--win95-gray-darker);
}

/* ========================================
   Button States
   ======================================== */

.button-state-normal {
  background: var(--win95-button-face);
  border: var(--border-width) solid;
  border-color: var(--border-light) var(--border-dark) 
                var(--border-dark) var(--border-light);
  box-shadow: var(--shadow-button);
}

.button-state-hover {
  background: var(--win95-button-light);
}

.button-state-pressed,
.button-state-active {
  border-color: var(--border-dark) var(--border-light) 
                var(--border-light) var(--border-dark);
  box-shadow: var(--shadow-button-pressed);
  padding-left: calc(var(--button-padding-x) + 1px);
  padding-top: calc(var(--button-padding-y) + 1px);
}

.button-state-disabled {
  color: var(--win95-text-disabled);
  text-shadow: 1px 1px 0px var(--win95-white);
  cursor: not-allowed;
}

/* ========================================
   Focus Outline Utility
   ======================================== */

.focus-outline {
  outline: 1px dotted var(--win95-black);
  outline-offset: -4px;
}

/* ========================================
   Desktop Background
   ======================================== */

.desktop-background {
  background-color: var(--win95-desktop-teal);
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.desktop-background-green {
  background-color: var(--win95-desktop-green);
}

/* ========================================
   Window Shadow
   ======================================== */

.window-shadow {
  box-shadow: var(--shadow-window);
}

/* ========================================
   Separator Line
   ======================================== */

.separator {
  height: 2px;
  border: none;
  border-top: 1px solid var(--win95-gray-dark);
  border-bottom: 1px solid var(--win95-white);
  margin: var(--spacing-sm) 0;
}

.separator-vertical {
  width: 2px;
  height: 100%;
  border: none;
  border-left: 1px solid var(--win95-gray-dark);
  border-right: 1px solid var(--win95-white);
  margin: 0 var(--spacing-sm);
}

/* ========================================
   Dotted Pattern Background
   ======================================== */

.dotted-pattern {
  background-image: radial-gradient(
    circle, 
    var(--win95-gray-dark) 1px, 
    transparent 1px
  );
  background-size: 4px 4px;
}

/* ========================================
   Status Bar
   ======================================== */

.status-bar {
  height: var(--statusbar-height);
  background: var(--win95-gray);
  border-top: var(--border-thin) solid var(--win95-white);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-sm);
  font-size: var(--font-size-normal);
}

.status-bar-section {
  border: var(--border-width) solid;
  border-color: var(--win95-gray-dark) var(--win95-white) 
                var(--win95-white) var(--win95-gray-dark);
  padding: 1px var(--spacing-sm);
  margin-right: var(--spacing-sm);
  background: var(--win95-white);
}

/* ========================================
   Menu Bar
   ======================================== */

.menu-bar {
  height: var(--menubar-height);
  background: var(--win95-gray);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-xs);
  border-bottom: var(--border-thin) solid var(--win95-white);
}

.menu-bar-item {
  padding: var(--spacing-xs) var(--spacing-md);
  cursor: pointer;
  user-select: none;
}

.menu-bar-item:hover {
  background: var(--win95-highlight);
  color: var(--win95-highlight-text);
}

.menu-bar-item.active {
  border: var(--border-thin) solid;
  border-color: var(--win95-black) var(--win95-white) 
                var(--win95-white) var(--win95-black);
}

/* ========================================
   Tooltip
   ======================================== */

.retro-tooltip {
  position: absolute;
  background: #ffffcc;
  border: 1px solid var(--win95-black);
  padding: 2px 4px;
  font-size: var(--font-size-small);
  white-space: nowrap;
  z-index: var(--z-tooltip);
  pointer-events: none;
  box-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* ========================================
   Badge/Label
   ======================================== */

.retro-badge {
  display: inline-block;
  padding: 1px 4px;
  font-size: var(--font-size-small);
  background: var(--win95-gray);
  border: var(--border-thin) solid;
  border-color: var(--border-light) var(--border-dark) 
                var(--border-dark) var(--border-light);
}

.retro-badge-primary {
  background: var(--win95-blue);
  color: var(--win95-white);
}

.retro-badge-success {
  background: #008000;
  color: var(--win95-white);
}

.retro-badge-warning {
  background: #ffff00;
  color: var(--win95-black);
}

.retro-badge-error {
  background: #ff0000;
  color: var(--win95-white);
}

/* ========================================
   Progress Bar
   ======================================== */

.retro-progress {
  height: 20px;
  background: var(--win95-white);
  border: var(--border-width) solid;
  border-color: var(--win95-gray-dark) var(--win95-white) 
                var(--win95-white) var(--win95-gray-dark);
  padding: 2px;
}

.retro-progress-bar {
  height: 100%;
  background: var(--win95-blue);
  background-image: repeating-linear-gradient(
    90deg,
    var(--win95-blue) 0px,
    var(--win95-blue) 8px,
    var(--win95-blue-light) 8px,
    var(--win95-blue-light) 16px
  );
  transition: width var(--transition-normal);
}

/* ========================================
   Checkbox (Custom)
   ======================================== */

.retro-checkbox {
  display: inline-block;
  width: 13px;
  height: 13px;
  background: var(--win95-white);
  border: var(--border-thin) solid;
  border-color: var(--win95-gray-darker) var(--win95-white) 
                var(--win95-white) var(--win95-gray-darker);
  position: relative;
  cursor: pointer;
}

.retro-checkbox.checked::after {
  content: '✓';
  position: absolute;
  top: -2px;
  left: 1px;
  font-size: 11px;
  font-weight: bold;
  color: var(--win95-black);
}

/* ========================================
   Radio Button (Custom)
   ======================================== */

.retro-radio {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--win95-white);
  border: var(--border-thin) solid;
  border-color: var(--win95-gray-darker) var(--win95-white) 
                var(--win95-white) var(--win95-gray-darker);
  position: relative;
  cursor: pointer;
}

.retro-radio.checked::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--win95-black);
}

/* ========================================
   Slider/Range (Custom)
   ======================================== */

.retro-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--win95-gray-dark);
  border: var(--border-thin) inset var(--win95-button-shadow);
  outline: none;
  cursor: pointer;
}

.retro-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  background: var(--win95-button-face);
  border: var(--border-width) solid;
  border-color: var(--border-light) var(--border-dark) 
                var(--border-dark) var(--border-light);
  cursor: pointer;
  box-shadow: var(--shadow-button);
}

.retro-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: var(--win95-button-face);
  border: var(--border-width) solid;
  border-color: var(--border-light) var(--border-dark) 
                var(--border-dark) var(--border-light);
  cursor: pointer;
  box-shadow: var(--shadow-button);
}

/* ========================================
   List View
   ======================================== */

.retro-listview {
  background: var(--win95-white);
  border: var(--border-width) solid;
  border-color: var(--win95-gray-dark) var(--win95-white) 
                var(--win95-white) var(--win95-gray-dark);
  overflow-y: auto;
}

.retro-listview-item {
  padding: var(--spacing-xs) var(--spacing-sm);
  cursor: pointer;
  user-select: none;
}

.retro-listview-item:hover {
  background: var(--win95-gray-light);
}

.retro-listview-item.selected {
  background: var(--win95-highlight);
  color: var(--win95-highlight-text);
}

/* ========================================
   Tree View
   ======================================== */

.retro-treeview {
  background: var(--win95-white);
  border: var(--border-width) solid;
  border-color: var(--win95-gray-dark) var(--win95-white) 
                var(--win95-white) var(--win95-gray-dark);
  padding: var(--spacing-sm);
}

.retro-treeview-item {
  padding: var(--spacing-xs) 0;
  cursor: pointer;
  user-select: none;
}

.retro-treeview-item::before {
  content: '▶';
  display: inline-block;
  width: 12px;
  font-size: 8px;
}

.retro-treeview-item.expanded::before {
  content: '▼';
}

.retro-treeview-item.leaf::before {
  content: '';
}

/* ========================================
   Tab Panel
   ======================================== */

.retro-tabs {
  display: flex;
  border-bottom: var(--border-width) solid var(--win95-gray-dark);
}

.retro-tab {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--win95-gray);
  border: var(--border-width) solid;
  border-color: var(--border-light) var(--border-dark) 
                var(--win95-gray-dark) var(--border-light);
  margin-right: -2px;
  cursor: pointer;
  user-select: none;
  position: relative;
  top: 2px;
}

.retro-tab:hover {
  background: var(--win95-gray-light);
}

.retro-tab.active {
  background: var(--win95-button-face);
  border-bottom-color: var(--win95-button-face);
  top: 2px;
  z-index: 1;
}

.retro-tab-content {
  padding: var(--spacing-md);
  background: var(--win95-button-face);
  border: var(--border-width) solid;
  border-top: none;
  border-color: var(--win95-gray-dark) var(--win95-white) 
                var(--win95-white) var(--win95-gray-dark);
}

/* ========================================
   Spacing Utilities
   ======================================== */

.m-0 { margin: 0; }
.m-xs { margin: var(--spacing-xs); }
.m-sm { margin: var(--spacing-sm); }
.m-md { margin: var(--spacing-md); }
.m-lg { margin: var(--spacing-lg); }

.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.p-0 { padding: 0; }
.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }

/* ========================================
   Text Utilities
   ======================================== */

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

.text-bold { font-weight: bold; }
.text-normal { font-weight: normal; }

.text-system { font-family: var(--font-system); }
.text-mono { font-family: var(--font-mono); }

.text-small { font-size: var(--font-size-small); }
.text-normal { font-size: var(--font-size-normal); }
.text-large { font-size: var(--font-size-large); }

/* ========================================
   Flex Utilities
   ======================================== */

.flex { display: flex; }
.flex-column { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }

.align-start { align-items: flex-start; }
.align-center { align-items: center; }
.align-end { align-items: flex-end; }
.align-stretch { align-items: stretch; }

.flex-1 { flex: 1; }
.flex-grow { flex-grow: 1; }
.flex-shrink { flex-shrink: 1; }

/* ========================================
   Width/Height Utilities
   ======================================== */

.w-full { width: 100%; }
.h-full { height: 100%; }
.w-auto { width: auto; }
.h-auto { height: auto; }