/* ==========================================================================
   Win95 Design System
   ========================================================================== */

/* ---------- Custom Properties ---------- */
:root {
  /* Surface colors */
  --win95-surface:       #c0c0c0;
  --win95-surface-dark:  #808080;
  --win95-surface-light: #dfdfdf;
  --win95-white:         #ffffff;
  --win95-black:         #000000;

  /* Desktop */
  --win95-desktop:       #008080;

  /* Title bar */
  --win95-title-active:   #000080;
  --win95-title-inactive: #808080;

  /* Text */
  --win95-text:          #222222;
  --win95-text-light:    #ffffff;
  --win95-text-inactive: #1a1a1a;
  --win95-text-link:     #000080;

  /* Borders — used for box-shadow technique */
  --win95-border-lightest: #ffffff;
  --win95-border-light:    #dfdfdf;
  --win95-border-dark:     #808080;
  --win95-border-darkest:  #000000;

  /* Typography */
  --win95-font:         'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --win95-font-mono:    'Courier New', Courier, monospace;
  --win95-font-size:    16px;
  --win95-font-size-sm: 14px;

  /* Spacing */
  --win95-spacing-xs: 3px;
  --win95-spacing-sm: 6px;
  --win95-spacing-md: 10px;
  --win95-spacing-lg: 20px;
  --win95-spacing-xl: 30px;

  /* Title bar height */
  --win95-titlebar-h: 34px;
}

/* ---------- Base Styles ---------- */
body {
  font-family: var(--win95-font);
  font-size: var(--win95-font-size);
  color: var(--win95-text);
  background-color: var(--win95-desktop);
}

/* ---------- Raised / Sunken Borders ---------- */
/* Raised: light top-left, dark bottom-right (classic Win95 3D effect) */
.win95-raised {
  box-shadow:
    inset -1px -1px 0 0 var(--win95-border-darkest),
    inset  1px  1px 0 0 var(--win95-border-lightest),
    inset -2px -2px 0 0 var(--win95-border-dark),
    inset  2px  2px 0 0 var(--win95-border-light);
}

/* Sunken: dark top-left, light bottom-right */
.win95-sunken {
  box-shadow:
    inset -1px -1px 0 0 var(--win95-border-lightest),
    inset  1px  1px 0 0 var(--win95-border-darkest),
    inset -2px -2px 0 0 var(--win95-border-light),
    inset  2px  2px 0 0 var(--win95-border-dark);
}

/* ---------- Window ---------- */
.win95-window {
  background-color: var(--win95-surface);
  box-shadow:
    inset -1px -1px 0 0 var(--win95-border-darkest),
    inset  1px  1px 0 0 var(--win95-border-lightest),
    inset -2px -2px 0 0 var(--win95-border-dark),
    inset  2px  2px 0 0 var(--win95-border-light);
  padding: var(--win95-spacing-xs);
  display: flex;
  flex-direction: column;
}

/* ---------- Title Bar ---------- */
.win95-title-bar {
  background: linear-gradient(90deg, var(--win95-title-active), #1084d0);
  color: var(--win95-text-light);
  font-weight: 700;
  font-size: var(--win95-font-size);
  height: var(--win95-titlebar-h);
  display: flex;
  align-items: center;
  padding: 0 var(--win95-spacing-xs) 0 var(--win95-spacing-sm);
  user-select: none;
  gap: var(--win95-spacing-sm);
  flex-shrink: 0;
}

.win95-title-bar.inactive {
  background: var(--win95-title-inactive);
  color: var(--win95-text-inactive);
}

.win95-title-bar__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.win95-title-bar__text {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.win95-title-bar__controls {
  display: flex;
  gap: var(--win95-spacing-xs);
  margin-left: auto;
}

/* ---------- Title Bar Control Buttons ---------- */
.win95-title-btn {
  width: 26px;
  height: 26px;
  background-color: var(--win95-surface);
  border: none;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow:
    inset -1px -1px 0 0 var(--win95-border-darkest),
    inset  1px  1px 0 0 var(--win95-border-lightest),
    inset -2px -2px 0 0 var(--win95-border-dark),
    inset  2px  2px 0 0 var(--win95-border-light);
}

.win95-title-btn:active {
  box-shadow:
    inset -1px -1px 0 0 var(--win95-border-lightest),
    inset  1px  1px 0 0 var(--win95-border-darkest),
    inset -2px -2px 0 0 var(--win95-border-light),
    inset  2px  2px 0 0 var(--win95-border-dark);
}

.win95-title-btn svg {
  width: 14px;
  height: 14px;
}

/* ---------- Window Body ---------- */
.win95-window__body {
  padding: var(--win95-spacing-lg);
  overflow-y: auto;
  flex: 1;
}

/* ---------- Button ---------- */
.win95-btn {
  background-color: var(--win95-surface);
  color: var(--win95-text);
  border: none;
  padding: var(--win95-spacing-sm) var(--win95-spacing-lg);
  font-family: var(--win95-font);
  font-size: var(--win95-font-size);
  cursor: pointer;
  min-height: 28px;
  min-width: 90px;
  text-align: center;
  box-shadow:
    inset -1px -1px 0 0 var(--win95-border-darkest),
    inset  1px  1px 0 0 var(--win95-border-lightest),
    inset -2px -2px 0 0 var(--win95-border-dark),
    inset  2px  2px 0 0 var(--win95-border-light);
}

.win95-btn:active {
  box-shadow:
    inset -1px -1px 0 0 var(--win95-border-lightest),
    inset  1px  1px 0 0 var(--win95-border-darkest),
    inset -2px -2px 0 0 var(--win95-border-light),
    inset  2px  2px 0 0 var(--win95-border-dark);
  padding: 5px 15px 3px 17px; /* shift text down-right on press */
}

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

.win95-btn:disabled {
  color: var(--win95-border-dark);
  text-shadow: 1px 1px 0 var(--win95-white);
  cursor: default;
}

/* ---------- Group Box (fieldset) ---------- */
.win95-group {
  border: 1px solid var(--win95-border-dark);
  box-shadow: 1px 1px 0 0 var(--win95-border-lightest);
  padding: var(--win95-spacing-lg);
  margin-bottom: var(--win95-spacing-lg);
}

.win95-group > legend {
  padding: 0 var(--win95-spacing-sm);
  font-weight: 700;
  background-color: var(--win95-surface);
}

/* ---------- Text Input / Textarea / Select ---------- */
.win95-input,
.win95-textarea,
.win95-select {
  background-color: var(--win95-white);
  color: var(--win95-text);
  border: none;
  padding: var(--win95-spacing-sm) var(--win95-spacing-md);
  font-family: var(--win95-font);
  font-size: var(--win95-font-size);
  box-shadow:
    inset -1px -1px 0 0 var(--win95-border-lightest),
    inset  1px  1px 0 0 var(--win95-border-darkest),
    inset -2px -2px 0 0 var(--win95-border-light),
    inset  2px  2px 0 0 var(--win95-border-dark);
}

.win95-textarea {
  resize: vertical;
  min-height: 80px;
}

.win95-select {
  cursor: pointer;
}

/* ---------- Taskbar ---------- */
.win95-taskbar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 44px;
  background-color: var(--win95-surface);
  display: flex;
  align-items: center;
  padding: var(--win95-spacing-xs) var(--win95-spacing-sm);
  gap: var(--win95-spacing-sm);
  z-index: 1000;
  box-shadow:
    inset 0 1px 0 0 var(--win95-border-lightest),
    inset 0 2px 0 0 var(--win95-border-light);
}

/* Start button */
.win95-start-btn {
  background-color: var(--win95-surface);
  color: var(--win95-text);
  border: none;
  padding: var(--win95-spacing-xs) var(--win95-spacing-md);
  font-family: var(--win95-font);
  font-size: var(--win95-font-size);
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--win95-spacing-sm);
  height: 34px;
  box-shadow:
    inset -1px -1px 0 0 var(--win95-border-darkest),
    inset  1px  1px 0 0 var(--win95-border-lightest),
    inset -2px -2px 0 0 var(--win95-border-dark),
    inset  2px  2px 0 0 var(--win95-border-light);
}

.win95-start-btn:active,
.win95-start-btn[aria-expanded="true"] {
  box-shadow:
    inset -1px -1px 0 0 var(--win95-border-lightest),
    inset  1px  1px 0 0 var(--win95-border-darkest),
    inset -2px -2px 0 0 var(--win95-border-light),
    inset  2px  2px 0 0 var(--win95-border-dark);
}

.win95-start-btn__icon {
  width: 24px;
  height: 24px;
}

/* Start menu */
.win95-start-menu {
  position: fixed;
  bottom: 44px;
  left: var(--win95-spacing-sm);
  width: 240px;
  min-height: 360px;
  background-color: var(--win95-surface);
  box-shadow:
    inset -1px -1px 0 0 var(--win95-border-darkest),
    inset  1px  1px 0 0 var(--win95-border-lightest),
    inset -2px -2px 0 0 var(--win95-border-dark),
    inset  2px  2px 0 0 var(--win95-border-light);
  z-index: 1001;
  display: none;
  flex-direction: column;
}

.win95-start-menu[aria-hidden="false"] {
  display: flex;
}

.win95-start-menu__banner {
  width: 34px;
  background: linear-gradient(180deg, var(--win95-title-active), #1084d0);
  position: absolute;
  left: 3px;
  top: 3px;
  bottom: 3px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: var(--win95-spacing-md);
}

.win95-start-menu__banner span {
  color: var(--win95-text-light);
  font-weight: 700;
  font-size: var(--win95-font-size);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  letter-spacing: 2px;
}

.win95-start-menu__items {
  margin-left: 37px;
  padding: var(--win95-spacing-sm);
  display: flex;
  flex-direction: column;
}

.win95-start-menu__item {
  display: flex;
  align-items: center;
  gap: var(--win95-spacing-md);
  padding: var(--win95-spacing-sm) var(--win95-spacing-md);
  color: var(--win95-text);
  cursor: pointer;
  white-space: nowrap;
}

.win95-start-menu__item:hover,
.win95-start-menu__item:focus {
  background-color: var(--win95-title-active);
  color: var(--win95-text-light);
}

.win95-start-menu__item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.win95-start-menu__divider {
  height: 1px;
  background-color: var(--win95-border-dark);
  box-shadow: 0 1px 0 0 var(--win95-border-lightest);
  margin: var(--win95-spacing-sm) 0;
}

/* Taskbar window buttons area */
.win95-taskbar__windows {
  flex: 1;
  display: flex;
  gap: var(--win95-spacing-sm);
  overflow: hidden;
}

.win95-taskbar__window-btn {
  background-color: var(--win95-surface);
  border: none;
  padding: var(--win95-spacing-xs) var(--win95-spacing-md);
  font-family: var(--win95-font);
  font-size: var(--win95-font-size-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--win95-spacing-sm);
  height: 30px;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  box-shadow:
    inset -1px -1px 0 0 var(--win95-border-lightest),
    inset  1px  1px 0 0 var(--win95-border-darkest),
    inset -2px -2px 0 0 var(--win95-border-light),
    inset  2px  2px 0 0 var(--win95-border-dark);
}

/* System tray */
.win95-systray {
  display: flex;
  align-items: center;
  padding: 0 var(--win95-spacing-md);
  height: 30px;
  font-size: var(--win95-font-size-sm);
  box-shadow:
    inset -1px -1px 0 0 var(--win95-border-lightest),
    inset  1px  1px 0 0 var(--win95-border-dark);
}

.win95-systray__icons {
  display: flex;
  align-items: center;
  gap: var(--win95-spacing-xs);
  margin-right: var(--win95-spacing-md);
}

.win95-systray__icon {
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0.85;
}

.win95-systray__icon:hover {
  opacity: 1;
}

.win95-systray__icon svg {
  width: 24px;
  height: 24px;
}

.win95-systray__clock {
  font-variant-numeric: tabular-nums;
}

/* ---------- Desktop Icon ---------- */
.win95-desktop-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--win95-spacing-xs);
  padding: var(--win95-spacing-sm);
  width: 100px;
  text-align: center;
  cursor: pointer;
  color: var(--win95-text-light);
}

.win95-desktop-icon__img {
  width: 48px;
  height: 48px;
}

.win95-desktop-icon__label {
  font-size: var(--win95-font-size-sm);
  line-height: 1.2;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
  word-wrap: break-word;
  max-width: 72px;
}

.win95-desktop-icon:hover .win95-desktop-icon__label,
.win95-desktop-icon:focus .win95-desktop-icon__label {
  background-color: var(--win95-title-active);
  outline: 1px dotted var(--win95-text-light);
}

/* ---------- Status Bar ---------- */
.win95-status-bar {
  display: flex;
  padding: var(--win95-spacing-xs) var(--win95-spacing-sm);
  gap: var(--win95-spacing-sm);
  flex-shrink: 0;
}

.win95-status-bar__section {
  padding: var(--win95-spacing-xs) var(--win95-spacing-md);
  font-size: var(--win95-font-size-sm);
  box-shadow:
    inset -1px -1px 0 0 var(--win95-border-lightest),
    inset  1px  1px 0 0 var(--win95-border-dark);
}

.win95-status-bar__section--flex {
  flex: 1;
}

/* ---------- Scrollbar (Webkit) ---------- */
.win95-window__body::-webkit-scrollbar {
  width: 16px;
}

.win95-window__body::-webkit-scrollbar-track {
  background: repeating-conic-gradient(var(--win95-surface) 0% 25%, var(--win95-white) 0% 50%) 50% / 2px 2px;
}

.win95-window__body::-webkit-scrollbar-thumb {
  background-color: var(--win95-surface);
  box-shadow:
    inset -1px -1px 0 0 var(--win95-border-darkest),
    inset  1px  1px 0 0 var(--win95-border-lightest),
    inset -2px -2px 0 0 var(--win95-border-dark),
    inset  2px  2px 0 0 var(--win95-border-light);
}

/* ---------- CRT Filter ---------- */
/* Scanlines overlay */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.15) 0px,
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent 3px
  );
}

/* Screen curvature vignette + phosphor glow */
body::after {
  content: "";
  position: fixed;
  top: -2%;
  left: -2%;
  width: 104%;
  height: 104%;
  pointer-events: none;
  z-index: 9998;
  background: radial-gradient(
    ellipse at center,
    transparent 60%,
    rgba(0, 0, 0, 0.45) 100%
  );
  box-shadow: inset 0 0 120px 30px rgba(0, 0, 0, 0.3);
}

/* Respect reduced motion — disable scanline flicker */
@media (prefers-reduced-motion: reduce) {
  body::before,
  body::after {
    animation: none;
  }
}