/* ==========================================================================
   Samuel Mofrad - 3D Retro Workstation & Windows 95/Pentium 133 OS
   Pure CSS3 + Hardware Accelerated Three.js / CSS3D Architecture
   ========================================================================== */

:root {
  --win-gray: #c0c0c0;
  --win-dark: #808080;
  --win-light: #ffffff;
  --win-black: #000000;
  --win-blue: #000080;
  --win-blue-light: #1084d0;
  --win-teal: #008080;
  --win-font: "MS Sans Serif", -apple-system, BlinkMacSystemFont, "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  --win-mono: "Consolas", "Courier New", monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: #0d0f12;
  font-family: var(--win-font);
  color: #000;
}

#app-container {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

/* 3D WebGL Canvas */
#webgl-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  outline: none;
}

/* CSS3D Container */
#css3d-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

#css3d-container * {
  pointer-events: auto;
}

/* ==========================================================================
   HUD Overlay (Camera View Toggles & Lamp Indicator)
   ========================================================================== */

#hud-overlay {
  position: absolute;
  top: 18px;
  left: 20px;
  right: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 20;
  pointer-events: none;
}

.hud-group {
  display: flex;
  gap: 10px;
  pointer-events: auto;
}

.hud-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(18, 22, 28, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  color: #e5e7eb;
  font-family: var(--win-font);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  backdrop-filter: blur(12px);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
  text-decoration: none;
}

.hud-btn:hover {
  background: rgba(35, 42, 54, 0.95);
  border-color: rgba(255, 255, 255, 0.3);
  color: #fff;
  transform: translateY(-1px);
}

.hud-btn:active {
  transform: translateY(1px);
}

.hud-btn.active {
  background: #008080;
  border-color: #38bdf8;
  color: #fff;
}

.hud-home-btn {
  background: rgba(14, 28, 48, 0.9);
  border-color: rgba(56, 189, 248, 0.4);
  color: #e0f2fe;
}

.hud-home-btn .hud-arrow {
  font-size: 16px;
  line-height: 1;
  font-weight: 700;
  transition: transform 0.2s ease;
}

.hud-home-btn .hud-home-icon {
  font-size: 14px;
}

.hud-home-btn:hover {
  background: rgba(14, 45, 78, 0.98);
  border-color: #38bdf8;
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(56, 189, 248, 0.35);
  transform: translateY(-1px);
}

.hud-home-btn:hover .hud-arrow {
  transform: translateX(-3px);
}

.hud-close-btn {
  background: rgba(26, 18, 22, 0.85);
  border-color: rgba(255, 255, 255, 0.15);
  color: #f3f4f6;
}

.hud-close-btn:hover {
  background: rgba(60, 20, 28, 0.95);
  border-color: rgba(248, 113, 113, 0.6);
  color: #fca5a5;
  box-shadow: 0 4px 16px rgba(239, 68, 68, 0.3);
  transform: translateY(-1px);
}

.mobile-text {
  display: none;
}

.hud-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  background: rgba(18, 22, 28, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  color: #9ca3af;
  font-size: 12px;
  backdrop-filter: blur(8px);
}

.reader-home-pill {
  text-decoration: none;
  color: #000;
  margin-left: 6px;
}

.reader-home-pill:hover {
  color: #000080;
}

/* ==========================================================================
   Virtual Retro OS Desktop Shell (Inside 3D Screen)
   ========================================================================== */

.retro-desktop {
  position: relative;
  width: 1024px;
  height: 768px;
  background-color: var(--win-teal);
  background-image: radial-gradient(circle at center, #008f8f 0%, #006b6b 100%);
  overflow: hidden;
  font-family: var(--win-font);
  box-shadow: inset 0 0 24px rgba(0, 0, 0, 0.45);
}

/* CRT Curved Bezel & Scanlines Overlay */
.crt-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%);
  background-size: 100% 4px;
  opacity: 0.35;
}

.crt-overlay::after {
  content: " ";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 65%, rgba(0, 0, 0, 0.55) 100%);
}

/* Desktop Icon Grid */
.desktop-icons {
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 18px;
  padding: 20px;
  height: calc(100% - 36px);
  position: relative;
  z-index: 10;
}

.desktop-shortcut {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 84px;
  padding: 6px 4px;
  border: 1px solid transparent;
  cursor: pointer;
  border-radius: 2px;
  text-align: center;
  transition: background 0.1s;
}

.desktop-shortcut:hover {
  background: rgba(0, 0, 128, 0.25);
  border-color: rgba(255, 255, 255, 0.2);
}

.desktop-shortcut.selected {
  background: var(--win-blue);
  border-color: rgba(255, 255, 255, 0.4);
}

.desktop-shortcut.selected .shortcut-label {
  background: var(--win-blue);
  color: #ffffff;
}

.shortcut-icon {
  width: 38px;
  height: 38px;
  margin-bottom: 6px;
  filter: drop-shadow(1px 2px 3px rgba(0, 0, 0, 0.5));
}

.shortcut-label {
  font-size: 11px;
  color: #ffffff;
  text-shadow: 1px 1px 2px #000000;
  padding: 1px 4px;
  border-radius: 2px;
  line-height: 1.25;
  word-break: break-word;
}

/* ==========================================================================
   Retro Windows 95 Taskbar
   ========================================================================== */

.retro-taskbar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 34px;
  background: var(--win-gray);
  border-top: 2px solid var(--win-light);
  display: flex;
  align-items: center;
  padding: 2px 4px;
  z-index: 500;
  gap: 6px;
  box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.3);
}

.start-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 10px;
  background: var(--win-gray);
  border-top: 2px solid var(--win-light);
  border-left: 2px solid var(--win-light);
  border-right: 2px solid var(--win-black);
  border-bottom: 2px solid var(--win-black);
  font-family: var(--win-font);
  font-size: 12px;
  font-weight: 700;
  color: #000;
  cursor: pointer;
}

.start-btn:active, .start-btn.active {
  border-top: 2px solid var(--win-black);
  border-left: 2px solid var(--win-black);
  border-right: 2px solid var(--win-light);
  border-bottom: 2px solid var(--win-light);
  padding: 1px 9px 0 11px;
}

.start-logo {
  width: 16px;
  height: 16px;
}

.taskbar-divider {
  width: 2px;
  height: 22px;
  border-left: 1px solid var(--win-dark);
  border-right: 1px solid var(--win-light);
  margin: 0 2px;
}

.taskbar-apps {
  display: flex;
  gap: 4px;
  flex: 1;
  height: 26px;
  overflow-x: auto;
}

.task-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 8px;
  width: 150px;
  height: 100%;
  background: var(--win-gray);
  border-top: 2px solid var(--win-light);
  border-left: 2px solid var(--win-light);
  border-right: 2px solid var(--win-black);
  border-bottom: 2px solid var(--win-black);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.task-item.active {
  background: #e0e0e0;
  border-top: 2px solid var(--win-black);
  border-left: 2px solid var(--win-black);
  border-right: 2px solid var(--win-light);
  border-bottom: 2px solid var(--win-light);
  font-weight: 700;
}

.taskbar-tray {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 24px;
  padding: 0 8px;
  border-top: 1px solid var(--win-dark);
  border-left: 1px solid var(--win-dark);
  border-right: 1px solid var(--win-light);
  border-bottom: 1px solid var(--win-light);
  font-size: 11px;
  font-weight: 600;
}

.tray-clock {
  letter-spacing: 0.5px;
}

/* ==========================================================================
   Hierarchical Retro Start Menu
   ========================================================================== */

.start-menu {
  position: absolute;
  bottom: 34px;
  left: 2px;
  width: 220px;
  background: var(--win-gray);
  border-top: 2px solid var(--win-light);
  border-left: 2px solid var(--win-light);
  border-right: 2px solid var(--win-black);
  border-bottom: 2px solid var(--win-black);
  box-shadow: 3px 3px 12px rgba(0, 0, 0, 0.4);
  display: flex;
  z-index: 600;
}

.start-banner {
  background: linear-gradient(180deg, #000080 0%, #1084d0 100%);
  width: 28px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 8px;
}

.start-banner-text {
  color: #fff;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
}

.start-items {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 3px 0;
}

.start-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px;
  font-size: 12px;
  cursor: pointer;
}

.start-menu-item:hover {
  background: var(--win-blue);
  color: #ffffff;
}

.start-menu-divider {
  height: 1px;
  background: var(--win-dark);
  border-bottom: 1px solid var(--win-light);
  margin: 4px 2px;
}

/* ==========================================================================
   Retro Window System (Windows 95/98 Classic)
   ========================================================================== */

.retro-window {
  position: absolute;
  background: var(--win-gray);
  border-top: 2px solid var(--win-light);
  border-left: 2px solid var(--win-light);
  border-right: 2px solid var(--win-black);
  border-bottom: 2px solid var(--win-black);
  box-shadow: 4px 4px 16px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  min-width: 280px;
  min-height: 200px;
}

.retro-window.active {
  z-index: 100;
}

.window-titlebar {
  height: 24px;
  background: linear-gradient(90deg, var(--win-blue) 0%, var(--win-blue-light) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 4px;
  cursor: move;
}

.retro-window:not(.active) .window-titlebar {
  background: linear-gradient(90deg, #808080 0%, #a0a0a0 100%);
  color: #dfdfdf;
}

.titlebar-left {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.titlebar-icon {
  width: 16px;
  height: 16px;
}

.titlebar-controls {
  display: flex;
  gap: 2px;
}

.win-control-btn {
  width: 18px;
  height: 16px;
  background: var(--win-gray);
  border-top: 1px solid var(--win-light);
  border-left: 1px solid var(--win-light);
  border-right: 1px solid var(--win-black);
  border-bottom: 1px solid var(--win-black);
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #000;
  padding-bottom: 1px;
}

.win-control-btn:active {
  border-top: 1px solid var(--win-black);
  border-left: 1px solid var(--win-black);
  border-right: 1px solid var(--win-light);
  border-bottom: 1px solid var(--win-light);
  padding: 1px 0 0 1px;
}

.window-menubar {
  display: flex;
  gap: 12px;
  padding: 2px 8px;
  font-size: 11px;
  border-bottom: 1px solid var(--win-dark);
}

.menubar-item {
  cursor: pointer;
}

.menubar-item:hover {
  background: var(--win-blue);
  color: #fff;
}

.window-content {
  flex: 1;
  background: #fff;
  border-top: 2px solid var(--win-black);
  border-left: 2px solid var(--win-black);
  border-right: 2px solid var(--win-light);
  border-bottom: 2px solid var(--win-light);
  margin: 2px;
  overflow: auto;
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.55;
  user-select: text;
}

/* ==========================================================================
   Story App Typography & Retro WordPad Styling
   ========================================================================== */

.story-header {
  border-bottom: 1px solid #e5e7eb;
  padding-bottom: 10px;
  margin-bottom: 14px;
}

.story-title {
  font-size: 18px;
  font-weight: 700;
  color: #111827;
  margin-bottom: 4px;
}

.story-subtitle {
  font-size: 12px;
  color: #6b7280;
  font-family: var(--win-mono);
}

.story-body p {
  margin-bottom: 12px;
  color: #1f2937;
  font-size: 13.5px;
  line-height: 1.65;
}

.story-body blockquote {
  border-left: 3px solid var(--win-blue);
  padding: 6px 12px;
  margin: 12px 0;
  background: #f8fafc;
  font-style: italic;
  color: #334155;
}

.story-milestone-pill {
  display: inline-block;
  padding: 1px 6px;
  background: #e2e8f0;
  border-radius: 4px;
  font-family: var(--win-mono);
  font-size: 11.5px;
  font-weight: 600;
  color: #0f172a;
}

/* ==========================================================================
   Terminal Application (MS-DOS Prompt / Bash)
   ========================================================================== */

.terminal-content {
  background: #000000;
  color: #00ff66;
  font-family: var(--win-mono);
  font-size: 13px;
  line-height: 1.45;
  padding: 14px;
  overflow-y: auto;
}

.term-line {
  margin-bottom: 4px;
  word-break: break-all;
}

.term-prompt {
  color: #ffff00;
}

.term-input-line {
  display: flex;
  align-items: center;
  gap: 4px;
}

.term-input {
  background: transparent;
  border: none;
  color: #00ff66;
  font-family: var(--win-mono);
  font-size: 13px;
  outline: none;
  flex: 1;
}

/* ==========================================================================
   Playable Minesweeper Application
   ========================================================================== */

.minesweeper-wrapper {
  background: var(--win-gray);
  padding: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.ms-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 10px;
  background: var(--win-gray);
  border-top: 2px solid var(--win-dark);
  border-left: 2px solid var(--win-dark);
  border-right: 2px solid var(--win-light);
  border-bottom: 2px solid var(--win-light);
  margin-bottom: 6px;
}

.ms-lcd {
  background: #000;
  color: #ff0000;
  font-family: var(--win-mono);
  font-size: 20px;
  font-weight: 700;
  padding: 2px 6px;
  letter-spacing: 2px;
}

.ms-face-btn {
  width: 28px;
  height: 28px;
  background: var(--win-gray);
  border-top: 2px solid var(--win-light);
  border-left: 2px solid var(--win-light);
  border-right: 2px solid var(--win-dark);
  border-bottom: 2px solid var(--win-dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.ms-grid {
  display: grid;
  border-top: 3px solid var(--win-dark);
  border-left: 3px solid var(--win-dark);
  border-right: 3px solid var(--win-light);
  border-bottom: 3px solid var(--win-light);
}

.ms-cell {
  width: 22px;
  height: 22px;
  background: var(--win-gray);
  border-top: 2px solid var(--win-light);
  border-left: 2px solid var(--win-light);
  border-right: 2px solid var(--win-dark);
  border-bottom: 2px solid var(--win-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.ms-cell.revealed {
  border: 1px solid #7b7b7b;
  background: #bdbdbd;
}

/* Ventures App Cards */
.venture-card {
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 14px;
  background: #fafafa;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.venture-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.venture-title {
  font-size: 16px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.venture-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding: 6px 14px;
  background: #000;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
}

/* HUD Button Accent */
.hud-btn.highlight {
  background: rgba(0, 128, 128, 0.9);
  border-color: #38bdf8;
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.35);
}

.hud-btn.highlight:hover {
  background: #009999;
  border-color: #7dd3fc;
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.5);
}

/* In-Window WordPad Mini Toolbar */
.story-window-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #eaeaea;
  border-bottom: 2px solid #c0c0c0;
  padding: 6px 8px;
  margin-bottom: 10px;
}

.story-reader-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--win-gray);
  border-top: 2px solid var(--win-light);
  border-left: 2px solid var(--win-light);
  border-right: 2px solid var(--win-black);
  border-bottom: 2px solid var(--win-black);
  font-family: var(--win-font);
  font-size: 11px;
  cursor: pointer;
  color: #000;
}

.story-reader-btn:active {
  border-top: 2px solid var(--win-black);
  border-left: 2px solid var(--win-black);
  border-right: 2px solid var(--win-light);
  border-bottom: 2px solid var(--win-light);
  padding: 5px 9px 3px 11px;
}

.story-toolbar-hint {
  font-size: 11px;
  color: #4b5563;
  font-family: var(--win-mono);
}

/* ==========================================================================
   Full-Page Retro WordPad Reader Overlay (Windows 95 Classic)
   ========================================================================== */

.full-reader-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(12, 16, 22, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  pointer-events: auto;
  transition: opacity 0.22s ease-in-out;
}

.full-reader-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.full-reader-window {
  position: absolute;
  inset: min(2.5vh, 20px) min(2.5vw, 24px);
  width: calc(100% - min(5vw, 48px));
  max-width: 100vw;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--win-gray);
  border-top: 2px solid var(--win-light);
  border-left: 2px solid var(--win-light);
  border-right: 2px solid var(--win-black);
  border-bottom: 2px solid var(--win-black);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.75);
  overflow: hidden;
}

.full-reader-titlebar {
  height: 28px;
  padding: 3px 6px;
  background: linear-gradient(90deg, var(--win-blue) 0%, var(--win-blue-light) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  min-width: 0;
  box-sizing: border-box;
}

.full-reader-menubar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 3px 8px;
  background: var(--win-gray);
  border-bottom: 1px solid var(--win-dark);
  font-size: 12px;
  min-width: 0;
  box-sizing: border-box;
  overflow-x: auto;
  white-space: nowrap;
}

.menubar-spacer {
  flex: 1;
}

.reader-exit-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  background: var(--win-gray);
  border-top: 1px solid var(--win-light);
  border-left: 1px solid var(--win-light);
  border-right: 1px solid var(--win-black);
  border-bottom: 1px solid var(--win-black);
  font-family: var(--win-font);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  color: #000;
}

.reader-exit-pill:hover {
  background: #d8d8d8;
}

.reader-exit-pill:active {
  border-top: 1px solid var(--win-black);
  border-left: 1px solid var(--win-black);
  border-right: 1px solid var(--win-light);
  border-bottom: 1px solid var(--win-light);
}

.reader-exit-pill .mobile-text {
  display: none;
}

/* WordPad Standard & Format Toolbars */
.wordpad-toolbar {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 6px;
  background: var(--win-gray);
  border-bottom: 1px solid var(--win-dark);
  user-select: none;
  overflow-x: auto;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 2px;
}

.wp-tool-btn {
  width: 24px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--win-gray);
  border: 1px solid transparent;
  font-size: 11px;
  cursor: pointer;
  border-radius: 2px;
  color: #000;
}

.wp-tool-btn:hover {
  border-top: 1px solid var(--win-light);
  border-left: 1px solid var(--win-light);
  border-right: 1px solid var(--win-black);
  border-bottom: 1px solid var(--win-black);
}

.wp-tool-btn:active, .wp-tool-btn.active {
  border-top: 1px solid var(--win-black);
  border-left: 1px solid var(--win-black);
  border-right: 1px solid var(--win-light);
  border-bottom: 1px solid var(--win-light);
  background: #d4d4d4;
}

.wp-tool-sep {
  width: 1px;
  height: 18px;
  background: var(--win-dark);
  border-right: 1px solid var(--win-light);
  margin: 0 4px;
}

.wp-font-select, .wp-size-select {
  height: 22px;
  background: #fff;
  border-top: 1px solid var(--win-black);
  border-left: 1px solid var(--win-black);
  border-right: 1px solid var(--win-light);
  border-bottom: 1px solid var(--win-light);
  font-family: var(--win-font);
  font-size: 11px;
  padding: 0 4px;
  margin-right: 4px;
  outline: none;
}

.wp-font-select {
  width: 120px;
}

.wp-size-select {
  width: 50px;
}

.color-indicator {
  position: relative;
}

.color-bar {
  position: absolute;
  bottom: 2px;
  left: 4px;
  right: 4px;
  height: 3px;
  background: #ff0000;
}

/* WordPad Measurement Ruler */
.wordpad-ruler {
  height: 20px;
  background: #f0f0f0;
  border-top: 1px solid var(--win-light);
  border-bottom: 1px solid var(--win-dark);
  display: flex;
  align-items: center;
  position: relative;
  user-select: none;
}

.ruler-margin-left, .ruler-margin-right {
  width: 24px;
  height: 100%;
  background: var(--win-gray);
  border-right: 1px solid var(--win-dark);
}

.ruler-margin-right {
  border-right: none;
  border-left: 1px solid var(--win-dark);
}

.ruler-track {
  flex: 1;
  height: 100%;
  position: relative;
}

.ruler-tick {
  position: absolute;
  top: 0;
  bottom: 0;
  border-left: 1px solid #999;
}

.ruler-tick.minor {
  height: 4px;
  top: 0;
}

.ruler-tick.major {
  height: 100%;
  border-left: 1px solid #444;
}

.ruler-tick.major span {
  position: absolute;
  top: 2px;
  left: 3px;
  font-size: 9px;
  font-weight: 700;
  color: #333;
}

/* WordPad Scrollpane & Paper Sheet */
.full-reader-scrollpane {
  flex: 1;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
  background: #64748b;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 24px 16px;
  -webkit-overflow-scrolling: touch;
}

.wordpad-paper-sheet {
  box-sizing: border-box;
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  background: #ffffff;
  padding: 44px 56px 60px 56px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 1px 3px rgba(0, 0, 0, 0.2);
  min-height: calc(100% - 20px);
  user-select: text;
}

.reader-doc-header {
  border-bottom: 2px solid #e2e8f0;
  padding-bottom: 18px;
  margin-bottom: 24px;
}

.reader-doc-title {
  font-size: 24px;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.3px;
  line-height: 1.3;
  word-break: break-word;
  overflow-wrap: break-word;
}

.reader-doc-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: #64748b;
  font-family: var(--win-mono);
  margin-top: 6px;
  flex-wrap: wrap;
  word-break: break-word;
  overflow-wrap: break-word;
}

.reader-milestones {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.reader-doc-content p {
  font-size: 15px;
  line-height: 1.8;
  color: #1e293b;
  margin-bottom: 18px;
}

.reader-greeting {
  font-size: 17px !important;
  color: #0f172a !important;
  font-weight: 600;
}

.reader-section-heading {
  font-size: 18px;
  font-weight: 700;
  color: #000080;
  margin: 24px 0 12px 0;
}

.reader-quote {
  border-left: 4px solid #000080;
  background: #f1f5f9;
  padding: 14px 20px;
  margin: 20px 0;
  font-style: italic;
  color: #334155;
  font-size: 15px;
  line-height: 1.75;
  border-radius: 0 6px 6px 0;
}

.reader-signature-block {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px dashed #cbd5e1;
}

.reader-signature-text {
  font-size: 20px;
  font-weight: 800;
  color: #000080;
  letter-spacing: 0.5px;
}

.reader-signature-author {
  font-size: 14px;
  font-weight: 600;
  color: #64748b;
  margin-top: 4px;
  font-family: var(--win-mono);
}

.reader-doc-footer-cta {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.reader-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: #000080;
  color: #ffffff;
  border: none;
  border-radius: 6px;
  font-family: var(--win-font);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
}

.reader-cta-btn:hover {
  background: #1084d0;
  transform: translateY(-1px);
}

.reader-cta-btn.secondary {
  background: #e2e8f0;
  color: #0f172a;
}

.reader-cta-btn.secondary:hover {
  background: #cbd5e1;
}

/* Windows 95 Status Bar */
.window-statusbar {
  height: 22px;
  background: var(--win-gray);
  border-top: 2px solid var(--win-light);
  display: flex;
  align-items: center;
  padding: 1px 4px;
  gap: 4px;
  user-select: none;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.statusbar-pane {
  height: 18px;
  border-top: 1px solid var(--win-dark);
  border-left: 1px solid var(--win-dark);
  border-right: 1px solid var(--win-light);
  border-bottom: 1px solid var(--win-light);
  padding: 0 6px;
  font-size: 11px;
  display: flex;
  align-items: center;
  color: #000;
  white-space: nowrap;
}

.statusbar-pane.flex-1 {
  flex: 1;
}

/* ==========================================================================
   Mobile Responsive Adjustments
   ========================================================================== */

@media (max-width: 640px) {
  #hud-overlay {
    top: 10px;
    left: 8px;
    right: 8px;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
  }

  .hud-group {
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 6px;
    width: 100%;
  }

  .hud-btn {
    padding: 6px 10px;
    font-size: 11px;
    gap: 5px;
    flex: 1 1 auto;
    justify-content: center;
    min-width: fit-content;
  }

  .hud-badge,
  .hud-close-btn,
  .hud-group:last-child {
    display: none;
  }

  .desktop-text {
    display: none;
  }

  .mobile-text {
    display: inline;
  }

  .full-reader-window {
    inset: 0;
    width: 100%;
    max-width: 100vw;
    border: none;
  }

  .window-statusbar .statusbar-pane:nth-child(n+3) {
    display: none;
  }

  .full-reader-menubar {
    padding: 2px 4px;
    font-size: 11px;
    gap: 6px;
    overflow-x: auto;
    white-space: nowrap;
  }

  .reader-exit-pill {
    padding: 2px 8px;
    font-size: 10px;
    white-space: nowrap;
  }

  .format-toolbar, .wordpad-ruler {
    display: none;
  }

  .full-reader-scrollpane {
    padding: 12px 8px;
  }

  .wordpad-paper-sheet {
    padding: 20px 16px 36px 16px;
    margin: 0;
    max-width: 100%;
  }

  .reader-doc-title {
    font-size: 19px;
  }

  .reader-doc-content p {
    font-size: 14px;
    line-height: 1.65;
    margin-bottom: 14px;
  }

  .reader-quote {
    padding: 10px 12px;
    margin: 14px 0;
    font-size: 13.5px;
  }

  .reader-doc-footer-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .reader-cta-btn {
    justify-content: center;
  }
}