* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -ms-overflow-style: none !important;
  scrollbar-width: none !important;
}

*::-webkit-scrollbar {
  display: none !important;
}

html,
body {
  width: 100%;
  height: 100%;
  font-family: system-ui, sans-serif;
  overflow: hidden;
  position: relative;
}

/* Wallpaper */
#wallpaper {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

/* Logout Button */
.logout-btn {
  position: fixed;
  top: 10px;
  right: 10px;
  padding: 8px 14px;
  border: none;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  cursor: pointer;
  z-index: 10;
}

.logout-btn:hover {
  background: rgba(255, 255, 255, 0.35);
}

/* Centered Title */
#centerTitle {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 3rem;
  font-weight: bold;
  color: white;
  text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.7);
  z-index: 1;
  opacity: 20%;
  user-select: none;
}

/* Desktop */
#desktop {
  position: absolute;
  top: 20px;
  /* start at top, below logout button */
  left: 0;
  width: 100%;
  height: 100%;
  padding: 40px 20px 20px 20px;
  /* leave space for title */
  display: flex;
  flex-wrap: wrap;
  column-gap: 35px;
  row-gap: 20px;
  /* Tighter vertical spacing */
  align-items: flex-start;
  align-content: flex-start;
  /* CRITICAL: Keeps rows together at the top */
  justify-content: flex-start;
}

/* File Icons */
.file {
  width: 90px;
  height: 90px;
  text-align: center;
  color: white;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  border-radius: 12px;
}

.file:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: scale(1.1);
}

.file i {
  font-size: 52px !important;
  /* Bigger icons */
}

.file span {
  display: none;
  /* Hide names */
}

/* Modals */
.hidden {
  /* display: none;  */
  visibility: hidden;
}

#window {
  position: fixed;
  top: 50%;
  left: 50%;
  width: 80%;
  max-width: 600px;
  height: 70%;
  transform: translate(-50%, -50%);
  background: rgba(20, 20, 20, 0.95);
  border-radius: 10px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  padding: 10px;
}

#window-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: white;
  padding: 6px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

#window textarea {
  flex: 1;
  margin: 10px;
  background: #111;
  color: white;
  border: none;
  border-radius: 6px;
  padding: 10px;
  resize: none;
  font-family: monospace;
}

#window button {
  cursor: pointer;
  border: none;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  padding: 6px 12px;
}

#window button:hover {
  background: rgba(255, 255, 255, 0.35);
}


/* =========================
   macOS Style Dock
========================= */

#dock {
  position: fixed;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 14px;
  padding: 10px 16px;
  background: rgba(20, 20, 20, 0.45);
  backdrop-filter: blur(18px);
  border-radius: 18px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  z-index: 200;
}

/* Dock App */
.dock-app {
  position: relative;
  width: 48px;
  height: 48px;
  transition: transform 0.2s ease;
  cursor: pointer;
}

/* Icon */
.dock-app i {
  font-size: 24px;
  margin-bottom: 4px;
}

/* Hover Zoom */
.dock-app:hover {
  transform: scale(1.6) translateY(-10px);
}

/* Active Indicator Dot */
.dock-app .dot {
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  background: white;
  border-radius: 50%;
  opacity: 0;
}

/* App Running */
.dock-app.active .dot {
  opacity: 1;
}


.dock-app {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  position: relative;
  color: white;
}

.dock-app .dot {
  width: 8px;
  height: 8px;
  background: #0f0;
  border-radius: 50%;
  margin-top: 4px;
  opacity: 0;
  transition: opacity 0.2s;
}

.dock-app.active .dot {
  opacity: 1;
}


/* GENERIC APP WINDOW */
.app-window {
  position: fixed;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 480px;
  transform: translate(-50%, -50%);
  background: rgba(30, 30, 30, 0.65);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  z-index: 500;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  /* Ensure min dimensions - handled by JS */

  /* Animations */
  animation: windowOpen 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  transition: width 0.2s, height 0.2s, top 0.2s, left 0.2s, transform 0.3s;
}

.app-window.closing {
  animation: windowClose 0.2s ease-in forwards;
}

@keyframes windowOpen {
  from {
    opacity: 0;
    transform: translate(-50%, -45%) scale(0.95);
  }

  to {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

@keyframes windowClose {
  from {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }

  to {
    opacity: 0;
    transform: translate(-50%, -45%) scale(0.95);
  }
}

/* Hide scrollbars for app windows */
.app-window ::-webkit-scrollbar {
  display: none;
}

.app-window {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.app-window.maximized {
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  border-radius: 0;
  transform: none !important;
}

.resize-handle {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 15px;
  height: 15px;
  cursor: se-resize;
  background: linear-gradient(135deg, transparent 50%, rgba(255, 255, 255, 0.4) 50%);
  z-index: 10;
}

.window-header {
  display: flex;
  align-items: center;
  justify-content: center;
  /* Center title */
  position: relative;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: #ddd;
  font-weight: 500;
  user-select: none;
  min-height: 40px;
}

.window-controls {
  position: absolute;
  left: 10px;
  display: flex;
  gap: 8px;
}

.mac-btn {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  padding: 0;
  color: transparent;
  /* Hide text usually */
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8px;
  /* Icon size */
  font-weight: bold;
  opacity: 1;
  transition: all 0.1s;
}

.mac-btn i {
  visibility: hidden;
  /* Hide icon by default */
  font-size: 8px;
}

.window-controls:hover .mac-btn i {
  visibility: visible;
  color: rgba(0, 0, 0, 0.6);
}

.mac-btn:hover {
  /* color: rgba(0,0,0,0.5);  Removed as we target i specifically */
  filter: brightness(0.8);
}

.mac-btn.close {
  background: #ff5f56;
}

.mac-btn.minimize {
  background: #ffbd2e;
}

.mac-btn.maximize {
  background: #27c93f;
}

.window-title {
  pointer-events: none;
  /* Let drag pass through if needed, but header handles it */
}

/* EXPLORER STYLES */
.explorer-toolbar {
  display: flex;
  gap: 10px;
  padding: 10px;
  background: rgba(0, 0, 0, 0.2);
}

.explorer-toolbar button {
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 6px;
  color: white;
  font-size: 13px;
  cursor: pointer;
}

.explorer-toolbar button:hover {
  background: rgba(255, 255, 255, 0.2);
}

.explorer-content {
  flex: 1;
  padding: 14px;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 14px;
  align-content: flex-start;
}

.explorer-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  cursor: pointer;
  padding: 10px;
  border-radius: 8px;
  color: #eee;
  transition: background 0.2s;
}

.explorer-item:hover {
  background: rgba(255, 255, 255, 0.1);
}

.explorer-item i {
  font-size: 32px;
  margin-bottom: 8px;
  color: #ffcc00;
  /* Folder color */
}

.explorer-item i.fa-file-lines {
  color: #ddd;
  /* File color */
}

.explorer-item span {
  font-size: 12px;
  word-break: break-all;
  line-height: 1.3;
}


/* EDITOR STYLES */
#editor-area {
  flex: 1;
  background: transparent;
  border: none;
  color: #eee;
  padding: 16px;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 14px;
  resize: none;
  outline: none;
  line-height: 1.6;
}

#editor-footer {
  padding: 10px 16px;
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

#editor-footer button {
  padding: 6px 16px;
  background: #007acc;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
}

#editor-footer button:hover {
  background: #005a96;
}

/* CALCULATOR SPECIFIC OVERRIDES */
#calculatorWindow {
  width: 320px;
  height: auto;
}

#calcDisplay {
  margin: 14px;
  padding: 14px;
  font-size: 32px;
  background: rgba(0, 0, 0, 0.3);
  color: white;
  border: none;
  border-radius: 8px;
  text-align: right;
  font-family: 'Consolas', monospace;
}

.calc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  padding: 0 14px 14px 14px;
}

.calc-grid button {
  padding: 16px;
  font-size: 18px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.1s;
}

.calc-grid button:hover {
  background: rgba(255, 255, 255, 0.2);
}

.calc-grid button:active {
  transform: scale(0.95);
}

.calc-grid button.equal {
  background: #007acc;
}


/* CONTEXT MENU */
#custom-context-menu {
  position: absolute;
  width: 200px;
  background: rgba(30, 30, 30, 0.95);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  padding: 6px 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
}

#custom-context-menu.hidden {
  display: none;
}

.menu-item {
  padding: 10px 16px;
  color: #eee;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  transition: background 0.1s;
}

.menu-item:hover {
  background: rgba(255, 255, 255, 0.1);
}

.menu-item i {
  width: 16px;
  text-align: center;
  color: #aaa;
}

.menu-item:hover i {
  color: #fff;
}


/* CUSTOM MODAL SYSTEM */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}

.modal-overlay.fade-out {
  opacity: 0;
  transition: opacity 0.2s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.modal-box {
  background: rgba(20, 20, 20, 0.85);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  padding: 0;
  width: 90%;
  max-width: 400px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  -ms-overflow-style: none;
  /* IE and Edge */
  scrollbar-width: none;
  /* Firefox */
  animation: popIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-box::-webkit-scrollbar {
  display: none;
}

@keyframes popIn {
  from {
    transform: scale(0.9);
    opacity: 0;
  }

  to {
    transform: scale(1);
    opacity: 1;
  }
}

.modal-header-simple {
  /* Header specifically for simple alerts */
  padding: 20px 24px 10px 24px;
}

.modal-title {
  color: white;
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
}

.modal-body {
  padding: 10px 24px 20px 24px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  line-height: 1.5;
}

.modal-footer {
  padding: 16px 24px;
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.modal-btn {
  padding: 10px 24px;
  border-radius: 8px;
  border: none;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.modal-btn.confirm,
.modal-btn.create {
  background: #fff;
  color: #000;
}

.modal-btn.confirm:hover,
.modal-btn.create:hover {
  background: #eee;
  transform: translateY(-1px);
}

.modal-btn.cancel {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.modal-btn.cancel:hover {
  background: rgba(255, 255, 255, 0.2);
}

.modal-error .modal-title {
  color: #ff5f56;
}

.modal-input {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 12px 14px;
  margin: 0 24px 20px 24px;
  border-radius: 8px;
  color: white;
  outline: none;
  font-size: 1rem;
}

.modal-input:focus {
  border-color: #fff;
}

.modal-buttons {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.modal-btn {
  padding: 8px 16px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
}

.modal-btn.cancel {
  background: transparent;
  color: #ccc;
}

.modal-btn.cancel:hover {
  background: rgba(255, 255, 255, 0.1);
}

.modal-btn.create {
  background: #007acc;
  color: white;
}

.modal-btn.create:hover {
  background: #005a96;
}

.dock-separator {
  width: 1px;
  background: rgba(255, 255, 255, 0.2);
  margin: 0 4px;
  height: 48px;
}

#dock-clock {
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: white;
  min-width: 80px;
  text-align: center;
  cursor: default;
}

#dock-time {
  font-size: 18px;
  font-weight: 500;
}

#dock-date {
  font-size: 11px;
  opacity: 0.8;
  text-transform: uppercase;
}

/* =========================================
   SETTINGS APP STYLES (OVERHAUL)
   ========================================= */
.app-window#settingsWindow {
  background: rgba(20, 20, 20, 0.6) !important;
  backdrop-filter: blur(20px) !important;
}

.settings-content {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
  color: #eee;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.settings-section h3 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  opacity: 0.5;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
}

.settings-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 16px;
}

.settings-item {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.settings-item label {
  font-size: 12px;
  opacity: 0.6;
  color: #fff;
}

.styled-input {
  background: rgba(0, 0, 0, 0.3) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  padding: 10px 14px !important;
  border-radius: 8px !important;
  color: white !important;
  outline: none;
  font-size: 14px;
}

.styled-input:focus {
  border-color: #007acc !important;
}

.styled-btn {
  padding: 10px 20px;
  background: #007acc;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s;
}

.styled-btn:hover {
  background: #005a96;
  transform: translateY(-1px);
}

.status-msg {
  font-size: 11px;
  margin-top: 8px;
  height: 14px;
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  margin-top: 10px;
}

.theme-option {
  position: relative;
  aspect-ratio: 16/9;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-option img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.theme-option:hover img {
  transform: scale(1.1);
}

.theme-option.selected {
  border-color: #27c93f;
  box-shadow: 0 0 10px rgba(39, 201, 63, 0.3);
}

.theme-option.selected::after {
  content: '\f058';
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  top: 8px;
  right: 8px;
  color: #27c93f;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 50%;
  padding: 2px;
  font-size: 12px;
}

/* =========================================
   MACOS STYLE LOCK SCREEN (REFINED)
   ========================================= */
.lock-screen-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9000;
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(40px) brightness(0.8);
  color: white;
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lock-screen-overlay.unlocked {
  opacity: 0;
  transform: scale(1.05);
  pointer-events: none;
  visibility: hidden;
}

.lock-clock-container {
  position: absolute;
  left: 80px;
  bottom: 80px;
  text-align: left;
  transition: all 0.5s ease;
}

.lock-screen-overlay.show-login .lock-clock-container {
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}

#lock-time {
  font-size: 120px;
  font-weight: 800;
  letter-spacing: -4px;
  line-height: 0.9;
}

#lock-date {
  font-size: 28px;
  font-weight: 500;
  margin-top: 10px;
  opacity: 0.8;
}

.lock-user-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 25px;
  opacity: 0;
  transform: scale(0.9);
  transition: all 0.5s cubic-bezier(0.2, 1, 0.3, 1);
  pointer-events: none;
}

.lock-screen-overlay.show-login .lock-user-container {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

.lock-avatar {
  width: 160px;
  height: 160px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 60px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

#lock-username {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.5px;
}

.unlock-btn {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  color: white;
  font-size: 20px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.unlock-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

.password-input-wrapper {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  padding: 2px 2px 2px 18px;
  gap: 10px;
  width: 280px;
  transition: all 0.3s;
}

#lock-password-input {
  background: transparent;
  border: none;
  color: white;
  outline: none;
  flex: 1;
  font-size: 14px;
}

#lock-password-input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.lock-error-msg {
  font-size: 12px;
  color: #ff4d4d;
  margin-top: 10px;
  opacity: 0;
  transition: opacity 0.3s;
}

.shake {
  animation: shake 0.4s cubic-bezier(.36, .07, .19, .97) both;
}

@keyframes shake {

  10%,
  90% {
    transform: translate3d(-1px, 0, 0);
  }

  20%,
  80% {
    transform: translate3d(2px, 0, 0);
  }

  30%,
  50%,
  70% {
    transform: translate3d(-4px, 0, 0);
  }

  40%,
  60% {
    transform: translate3d(4px, 0, 0);
  }
}


/* =========================================
   SYSTEM ERROR MODAL
   ========================================= */
.error-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20000;
  animation: fadeIn 0.3s ease;
}

.error-modal {
  background: rgba(30, 10, 10, 0.95);
  border: 1px solid rgba(255, 50, 50, 0.3);
  border-radius: 16px;
  width: 90%;
  max-width: 450px;
  padding: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  color: white;
  text-align: center;
}

.error-header {
  font-size: 20px;
  font-weight: 800;
  color: #ff4d4d;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 16px;
}

.error-body p {
  font-size: 14px;
  opacity: 0.8;
  line-height: 1.6;
  margin-bottom: 20px;
}

.error-details {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  padding: 12px;
  font-family: monospace;
  font-size: 12px;
  color: #ff9999;
  text-align: left;
  max-height: 100px;
  overflow-y: auto;
  margin-bottom: 24px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.error-footer {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.error-btn {
  padding: 10px 24px;
  border-radius: 8px;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  background: #ff4d4d;
  color: white;
}

.error-btn.secondary {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.error-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(255, 77, 77, 0.3);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}


/* =========================================
   SYSTEM PRELOADER
   ========================================= */
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.8s ease, visibility 0.8s;
}

#preloader.fade-out {
  opacity: 0;
  visibility: hidden;
}

.preloader-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.preloader-logo {
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, #fff 0%, #007acc 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -2px;
  animation: logoPulse 2s infinite alternate;
}

.preloader-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: #007acc;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.preloader-status {
  font-size: 14px;
  color: #666;
  letter-spacing: 1px;
  text-transform: uppercase;
}

@keyframes logoPulse {
  from {
    transform: scale(0.95);
    opacity: 0.8;
  }

  to {
    transform: scale(1.05);
    opacity: 1;
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}


/* =========================================
   MOBILE & TABLET RESPONSIVENESS
   ========================================= */

/* Tablet Layout (up to 1024px) */
@media (max-width: 1024px) {
  #centerTitle {
    font-size: 1.2rem;
  }

  #dock {
    padding: 8px;
    gap: 10px;
    bottom: 10px;
  }

  .dock-app {
    width: 45px;
    height: 45px;
  }

  .dock-app i {
    font-size: 1.2rem;
  }
}

/* Mobile Layout (up to 768px) */
@media (max-width: 768px) {
  #centerTitle {
    top: 15px;
    font-size: 1rem;
    width: 100%;
    text-align: center;
    left: 0;
    transform: none;
  }

  #logoutBtn {
    top: 10px;
    right: 10px;
    padding: 5px 12px;
    font-size: 12px;
  }

  /* Desktop Icons */
  #desktop {
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    padding: 60px 20px;
    gap: 15px;
  }

  .file {
    width: 70px;
  }

  .file i {
    font-size: 2rem !important;
  }

  .file span {
    font-size: 10px;
  }

  /* Dock */
  #dock {
    width: 95%;
    max-width: none;
    padding: 6px;
    gap: 8px;
    bottom: 8px;
    border-radius: 16px;
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
  }

  #dock::-webkit-scrollbar {
    display: none;
  }

  .dock-app {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
  }

  .dock-app i {
    font-size: 1.1rem;
  }

  .dock-divider {
    height: 25px;
  }

  #dock-clock {
    display: none;
    /* Hide clock in dock on small mobile to save space */
  }

  /* App Windows */
  .app-window {
    width: 95vw !important;
    height: 80vh !important;
    left: 2.5vw !important;
    top: 10vh !important;
    transform: none !important;
  }

  .app-header {
    padding: 10px;
  }

  .window-controls {
    gap: 6px;
  }

  .control {
    width: 10px;
    height: 10px;
  }

  /* Settings App */
  .settings-container {
    padding: 15px;
  }

  .theme-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Lock Screen */
  #lock-time {
    font-size: 80px;
  }

  #lock-date {
    font-size: 20px;
  }

  .lock-clock-container {
    left: 40px;
    bottom: 40px;
  }

  .lock-avatar {
    width: 120px;
    height: 120px;
    font-size: 40px;
  }

  .password-input-wrapper {
    width: 85vw;
  }

  /* Explorer / Editor Tweaks */
  .explorer-toolbar {
    flex-wrap: wrap;
    gap: 5px;
    padding: 5px;
  }

  .explorer-toolbar button {
    padding: 4px 8px;
    font-size: 10px;
    flex: 1;
  }

  #currentPath {
    display: none;
  }

  .explorer-content {
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
  }
}

/* Very Small Mobile (up to 400px) */
@media (max-width: 400px) {
  #lock-time {
    font-size: 60px;
  }

  .lock-clock-container {
    left: 20px;
    bottom: 20px;
  }

  .theme-grid {
    grid-template-columns: 1fr;
  }
}