/**
 * DESKTOP - Ícones, Taskbar e Menu Iniciar
 */

/* ==================== ÍCONES DO DESKTOP ==================== */

/*
 * Grid adaptativo. O JS (desktopGrid.js) calcula a contagem ideal de
 * colunas (--desktop-cols) e linhas (--desktop-rows) para a viewport
 * atual e seta ambas no :root. O CSS apenas consome essas variaveis.
 *
 * Por que --desktop-rows tambem?
 *   grid-auto-flow: column SO funciona corretamente quando as linhas
 *   estao definidas. Sem grid-template-rows, o navegador cria 1 linha
 *   automaticamente e os icones extravasam horizontalmente. Esse era
 *   o bug em 2.6.3 (icones em fileira horizontal unica).
 *
 * Fallback: --desktop-cols=3, --desktop-rows=7 (definidos em
 * css/variables.css). Se o JS falhar ou nao executar, layout XP
 * classico permanece.
 *
 * grid-auto-flow: column garante que os icones preenchem coluna a coluna
 * (estilo Windows XP), nao linha a linha.
 */
.desktop-icons {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  display: grid;
  grid-template-columns: repeat(var(--desktop-cols, 3), 82px);
  grid-template-rows: repeat(var(--desktop-rows, 7), 75px);
  gap: var(--spacing-lg) var(--spacing-xl);
  z-index: var(--z-index-desktop);
  max-height: calc(100vh - var(--taskbar-height, 40px) - var(--spacing-md) * 2);
  grid-auto-flow: column;
}

.desktop-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  width: 82px;
  height: 75px;
  cursor: pointer;
  text-decoration: none;
  padding: var(--spacing-xs);
  border-radius: var(--border-radius-sm);
  transition: background var(--transition-fast);
}

.desktop-icon:hover {
  background: rgba(11, 97, 255, 0.3);
}

/* Ícones de Easter Egg com destaque FORTE */
.desktop-icon.easter-egg {
  position: relative;
}

.desktop-icon.easter-egg::after {
  content: '★';
  position: absolute;
  top: -5px;
  right: -5px;
  font-size: 14px;
  color: #ffd84d;
  text-shadow: 0 0 3px rgba(0, 0, 0, 0.6);
  animation: sparkle 2s ease-in-out infinite;
}

.desktop-icon.easter-egg .icon {
  animation: easterEggPulse 2s ease-in-out infinite;
  filter: drop-shadow(1px 1px 2px rgba(0, 0, 0, 0.5));
}

.desktop-icon.easter-egg span {
  font-weight: bold;
  color: #fff;
  text-shadow: 
    -1px -1px 0 #000,
    1px -1px 0 #000,
    -1px 1px 0 #000,
    1px 1px 0 #000,
    0 0 5px rgba(255, 215, 0, 0.8);
}

@keyframes easterEggPulse {
  0%, 100% {
    transform: scale(1);
    filter: drop-shadow(1px 1px 2px rgba(0, 0, 0, 0.5));
  }
  50% {
    transform: scale(1.1);
    filter: drop-shadow(0 0 15px rgba(255, 215, 0, 0.9)) 
            drop-shadow(0 0 25px rgba(255, 215, 0, 0.6))
            drop-shadow(1px 1px 2px rgba(0, 0, 0, 0.5));
  }
}

@keyframes sparkle {
  0%, 100% {
    opacity: 0.5;
    transform: rotate(0deg) scale(1);
  }
  50% {
    opacity: 1;
    transform: rotate(180deg) scale(1.3);
  }
}

.desktop-icon .icon {
  width: var(--desktop-icon-size);
  height: var(--desktop-icon-size);
  margin-bottom: var(--spacing-sm);
  object-fit: contain;
  filter: drop-shadow(1px 1px 2px rgba(0, 0, 0, 0.5));
}

.desktop-icon span {
  color: var(--xp-white);
  text-shadow: 1px 1px 2px var(--xp-black);
  text-align: center;
  font-size: 12px;
  word-wrap: break-word;
}

/* ==================== TASKBAR ==================== */

.taskbar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--taskbar-height);
  background: var(--gradient-taskbar);
  display: flex;
  align-items: center;
  padding: var(--border-width-thick);
  z-index: var(--z-index-taskbar);
  box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.2);
}

/* ==================== BOTÃO INICIAR ==================== */

.start-button {
  background: var(--gradient-start-btn);
  border: none;
  border-radius: 0 var(--border-radius-lg) var(--border-radius-lg) 0;
  padding: var(--spacing-xs) var(--spacing-lg) var(--spacing-xs) var(--spacing-md);
  color: var(--xp-white);
  font-weight: bold;
  font-size: 14px;
  cursor: pointer;
  font-style: italic;
  text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.5);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: filter var(--transition-fast);
}

.start-button img {
  width: 22px;
  height: 22px;
}

.start-button:hover {
  filter: brightness(1.1);
}

.start-button:active {
  filter: brightness(0.9);
}

.start-button.active {
  background: var(--gradient-start-btn-active);
  box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.3);
}

/* ==================== ITENS DA TASKBAR ==================== */

.taskbar-programs {
  flex: 1;
  display: flex;
  align-items: center;
  margin-left: var(--spacing-md);
  gap: var(--spacing-sm);
}

.taskbar-item {
  background: var(--gradient-btn-blue);
  border: var(--border-width) solid #0c3c8c;
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-xs) 12px;
  color: var(--xp-white);
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: all var(--transition-fast);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.taskbar-item img {
  width: var(--taskbar-icon-size);
  height: var(--taskbar-icon-size);
  flex-shrink: 0;
}

.taskbar-item:hover {
  filter: brightness(1.1);
}

.taskbar-item.active {
  background: linear-gradient(180deg, #1c4fb3 0%, #2d6cd9 100%);
  box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.3);
}

/* ==================== BANDEJA DO SISTEMA ==================== */

.system-tray {
  background: linear-gradient(180deg, #0f8cee 0%, #1665c1 100%);
  padding: var(--spacing-xs) var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  border-left: var(--border-width) solid #0c3c8c;
  height: 100%;
}

.system-tray .time {
  color: var(--xp-white);
  font-size: 13px;
  font-weight: normal;
}

/* ==================== MENU INICIAR ==================== */

.start-menu {
  position: fixed;
  bottom: var(--taskbar-height);
  left: 0;
  width: var(--start-menu-width);
  background: var(--xp-white);
  border: var(--border-width-thick) solid var(--xp-blue-primary);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
  box-shadow: var(--shadow-lg);
  z-index: var(--z-index-start-menu);
  display: none;
  overflow: hidden;
  animation: slideUpFade 0.2s ease-out;
}

@keyframes slideUpFade {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.start-menu.active {
  display: block;
}

/* ==================== CABEÇALHO DO MENU ==================== */

.start-menu-header {
  background: var(--gradient-start-header);
  padding: var(--spacing-md) var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.user-avatar {
  width: 48px;
  height: 48px;
  background: url('../img/pfp.jpg') center center / cover no-repeat;
  border: var(--border-width-thick) solid var(--xp-white);
  border-radius: var(--border-radius-md);
}

.user-name {
  color: var(--xp-white);
  font-size: 16px;
  font-weight: bold;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* ==================== CORPO DO MENU ==================== */

.start-menu-body {
  display: flex;
  min-height: 300px;
}

.start-menu-left {
  flex: 1;
  background: var(--xp-white);
  padding: var(--spacing-sm) 0;
  border-right: var(--border-width) solid #d3d3d3;
}

.start-menu-right {
  width: 150px;
  background: var(--gradient-start-right);
  padding: var(--spacing-sm) 0;
}

/* ==================== ITENS DO MENU ==================== */

.start-menu-item {
  padding: 6px var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  cursor: pointer;
  font-size: 13px;
  transition: background var(--transition-fast);
}

.start-menu-left .start-menu-item:hover {
  background: #316ac5;
  color: var(--xp-white);
}

.start-menu-right .start-menu-item {
  color: var(--xp-white);
  padding: var(--spacing-sm) var(--spacing-md);
}

.start-menu-right .start-menu-item:hover {
  background: rgba(255, 255, 255, 0.2);
}

.start-menu-item img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.start-menu-item.pinned {
  padding: var(--spacing-md) var(--spacing-md);
}

.start-menu-item.pinned div {
  display: flex;
  flex-direction: column;
}

.start-menu-item.pinned span {
  font-size: var(--font-size-xs);
  color: var(--xp-text-gray);
}

.start-menu-item.pinned:hover span {
  color: #ccc;
}

.start-menu-item.all-programs {
  justify-content: space-between;
  font-weight: bold;
}

.start-menu-item .arrow {
  color: var(--xp-text-gray);
}

.start-menu-separator {
  height: 1px;
  background: #d3d3d3;
  margin: var(--spacing-sm) var(--spacing-md);
}

/* ==================== RODAPÉ DO MENU ==================== */

.start-menu-footer {
  background: var(--gradient-start-footer);
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
}

.start-footer-btn {
  background: var(--gradient-btn-blue);
  border: var(--border-width) solid #1c4f8c;
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  color: var(--xp-white);
  font-size: var(--font-size-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: background var(--transition-fast);
}

.start-footer-btn:hover {
  background: var(--gradient-btn-blue-hover);
}

.start-footer-btn.shutdown {
  background: var(--gradient-shutdown);
  border-color: var(--xp-red-darker);
}

.start-footer-btn.shutdown:hover {
  background: var(--gradient-shutdown-hover);
}

/* ==================== RESPONSIVO ==================== */

@media (max-width: 900px) {
  .start-menu {
    width: 100%;
    border-radius: 0;
  }
  
  .desktop-icons {
    gap: var(--spacing-md);
  }
  
  .desktop-icon {
    width: 60px;
  }
  
  .desktop-icon .icon {
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 600px) {
  .taskbar-item span {
    display: none;
  }
  
  .start-button span {
    display: none;
  }
  
  .start-menu-body {
    flex-direction: column;
  }
  
  .start-menu-right {
    width: 100%;
    border-top: var(--border-width) solid #d3d3d3;
  }
}