/* ========================================
   SHARED KEYBOARD NAVIGATION STYLES
   Used by both platform and login pages
   ======================================== */

/* CSS Variables for Keyboard Navigation */
:root {
  --kb-primary: 0, 162, 232;
  --kb-secondary: 51, 181, 237;
  --kb-bg-light: rgba(var(--kb-primary), 0.1);
  --kb-bg-medium: rgba(var(--kb-primary), 0.15);
  --kb-border: rgba(var(--kb-primary), 0.6);
  --kb-shadow: 0 8px 25px rgba(var(--kb-primary), 0.25), 0 4px 12px rgba(var(--kb-primary), 0.15);
  --kb-transform: translateY(-2px) scale(1.02);
  --kb-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Aprova Fácil Theme Override */
body.aprova-facil {
  --kb-primary: 123, 4, 219;
  --kb-secondary: 148, 30, 244;
}

/* ========================================
   ACCESSIBILITY TOGGLE BUTTON
   ======================================== */

.accessibility-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  background: linear-gradient(135deg, #4caf50, #66bb6a);
  color: white;
  border: none;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(76, 175, 80, 0.3);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.accessibility-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

.accessibility-toggle.active {
  background: linear-gradient(135deg, #2196f3, #42a5f5);
  animation: pulse-accessibility 1.5s ease-in-out infinite;
}

@keyframes pulse-accessibility {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* ========================================
   KEYBOARD NAVIGATION HINTS
   ======================================== */

.keyboard-hints,
.keyboard-navigation-hints {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(20px);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 16px;
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.3),
    0 8px 16px rgba(0, 0, 0, 0.2),
    inset 1px 1px 0 rgba(255, 255, 255, 0.1);
  z-index: 9999;
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  gap: 1.5rem;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 500;
  pointer-events: none;
}

.keyboard-hints.visible,
.keyboard-navigation-hints.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.hint-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.hint-key {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.1);
}

.hint-text {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.8rem;
}

/* ========================================
   NAVIGATION FEEDBACK
   ======================================== */

.navigation-feedback {
  position: fixed;
  top: 20px;
  right: 100px;
  transform: translateX(100px);
  background: linear-gradient(135deg, rgba(0, 162, 232, 0.95), rgba(51, 181, 237, 0.95));
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 162, 232, 0.3);
  z-index: 9998;
  opacity: 0;
  transition: all 0.3s ease;
  min-width: 200px;
  text-align: center;
  font-weight: 500;
}

.navigation-feedback.visible {
  opacity: 1;
  transform: translateX(0);
}

.navigation-feedback i {
  margin-right: 0.5rem;
  font-size: 1.2rem;
}

.navigation-feedback.activation {
  background: linear-gradient(135deg, rgba(0, 162, 232, 0.95), rgba(51, 181, 237, 0.95));
  border: 1px solid rgba(0, 162, 232, 0.3);
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
}

.navigation-feedback.activation i {
  font-size: 1.2rem;
  margin-bottom: 0.25rem;
}

.navigation-feedback.activation small {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.75rem;
}

.navigation-feedback.sidebar-action {
  background: linear-gradient(135deg, rgba(65, 90, 119, 0.95), rgba(51, 181, 237, 0.95));
  border: 1px solid rgba(65, 90, 119, 0.3);
}

/* ========================================
   BASE KEYBOARD FOCUS STYLES
   ======================================== */

.keyboard-navigable {
  transition: var(--kb-transition);
  position: relative;
  outline: none;
}

.keyboard-navigable.keyboard-focused {
  outline: none !important;
  background: var(--kb-bg-light) !important;
  border: 2px solid rgba(var(--kb-primary), 0.4) !important;
  box-shadow: 
    0 0 0 4px rgba(var(--kb-primary), 0.15),
    0 8px 25px rgba(var(--kb-primary), 0.2) !important;
  transform: translateY(-2px) scale(1.02);
  border-radius: var(--radius-lg, 1rem) !important;
}

.keyboard-navigable.keyboard-focused::after {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border: 2px solid rgba(var(--kb-primary), 0.3);
  border-radius: calc(var(--radius-lg, 1rem) + 4px);
  animation: focus-pulse 1.5s ease-in-out infinite;
  pointer-events: none;
}

@keyframes focus-pulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.02); }
}

/* ========================================
   BUTTON FOCUS STYLES
   ======================================== */

.btn.keyboard-focused,
.btn-login.keyboard-focused,
.btn-primary.keyboard-focused {
  background: linear-gradient(135deg, rgba(var(--kb-primary), 0.9), rgba(var(--kb-secondary), 0.8)) !important;
  transform: translateY(-4px) scale(1.03) !important;
  box-shadow: 
    0 0 0 6px rgba(var(--kb-primary), 0.2),
    0 15px 35px rgba(var(--kb-primary), 0.4) !important;
}

/* ========================================
   INPUT FOCUS STYLES
   ======================================== */

.modern-input.keyboard-focused,
.form-control.keyboard-focused,
input.keyboard-focused,
textarea.keyboard-focused {
  border-color: rgba(var(--kb-primary), 0.8) !important;
  transform: translateY(-3px) scale(1.01) !important;
  box-shadow: 
    0 0 0 6px rgba(var(--kb-primary), 0.15),
    0 12px 30px rgba(var(--kb-primary), 0.25) !important;
}

/* ========================================
   LINK FOCUS STYLES
   ======================================== */

.forgot-password a.keyboard-focused,
a.keyboard-focused {
  color: rgba(var(--kb-primary), 1) !important;
  background: rgba(var(--kb-primary), 0.1) !important;
  padding: 0.5rem 1rem !important;
  border-radius: var(--radius-lg, 1rem) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 20px rgba(var(--kb-primary), 0.2) !important;
}

/* ========================================
   CONTENT NAVIGATION STYLES
   ======================================== */

.content-navigable {
  position: relative;
  transition: var(--kb-transition);
  border-radius: 12px;
  outline: none;
}

.content-navigable.keyboard-focused {
  outline: none !important;
  background: rgba(var(--kb-primary), 0.05) !important;
  border: 2px solid rgba(var(--kb-primary), 0.3) !important;
  border-radius: 20px !important;
  box-shadow: 
    0 0 0 4px rgba(var(--kb-primary), 0.1), 
    var(--kb-shadow), 
    inset 0 1px 0 rgba(255, 255, 255, 0.3) !important;
  transform: translateY(-2px) scale(1.01);
}

.content-navigable.activating {
  animation: activateContent 0.3s ease-out;
}

@keyframes activateContent {
  0% {
    transform: translateY(-2px) scale(1.01);
  }
  50% {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 
      0 0 0 6px rgba(var(--kb-primary), 0.15),
      0 12px 35px rgba(var(--kb-primary), 0.25),
      inset 0 2px 0 rgba(255, 255, 255, 0.4);
  }
  100% {
    transform: translateY(-2px) scale(1.01);
  }
}

/* ========================================
   SUB-NAVIGATION STYLES
   ======================================== */

.sub-item-focused {
  border: 2px solid var(--kb-border) !important;
  border-radius: 8px !important;
  transform: var(--kb-transform) !important;
  box-shadow: var(--kb-shadow) !important;
  transition: var(--kb-transition) !important;
}

/* Button-like elements - strong feedback */
[class*="btn"].sub-item-focused,
[class*="toggle"].sub-item-focused,
[class*="button"].sub-item-focused,
.indicator[data-tab].sub-item-focused,
.indicator[data-chart].sub-item-focused,
.diminuir.sub-item-focused,
.aumentar.sub-item-focused {
  color: white !important;
  border-color: rgba(var(--kb-primary), 0.8) !important;
  transform: translateY(-2px) scale(1.05) !important;
}

/* Navigation active state */
.sub-navigation-active {
  position: relative;
  border-color: rgba(var(--kb-primary), 0.5) !important;
  box-shadow: 
    0 12px 30px rgba(var(--kb-primary), 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.sub-navigation-active::after {
  content: "Sub-menu Ativo";
  position: absolute;
  top: -8px;
  right: 16px;
  background: linear-gradient(135deg, rgba(var(--kb-primary), 0.95), rgba(var(--kb-secondary), 0.95));
  color: white;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 12px rgba(var(--kb-primary), 0.3);
  z-index: 1000;
}

/* ========================================
   SPECIALIZED ELEMENT STYLES
   ======================================== */

/* Scale-only transforms for specific buttons */
.paginacao-btn.sub-item-focused,
.paginacao-numero.sub-item-focused,
.diminuir.sub-item-focused,
.aumentar.sub-item-focused { 
  transform: scale(1.15) !important; 
}

/* Special sizing for indicators */
.indicator[data-tab].sub-item-focused,
.indicator[data-chart].sub-item-focused { 
  transform: scale(1.4) !important;
  box-shadow: 0 0 20px rgba(var(--kb-primary), 0.6), var(--kb-shadow) !important;
}

/* Elevated cards */
.performance-card.sub-item-focused,
.perf-stat-item.sub-item-focused,
.quick-stat-card.sub-item-focused {
  background: var(--kb-bg-medium) !important;
  transform: translateY(-4px) scale(1.05) !important;
  box-shadow: 0 15px 40px rgba(var(--kb-primary), 0.3), 0 8px 20px rgba(var(--kb-primary), 0.2) !important;
}

/* Slide-in elements */
.habilidade-item.sub-item-focused,
.opcao.sub-item-focused { 
  transform: translateX(8px) scale(1.02) !important; 
}

.habilidade-item.sub-item-focused { 
  border-left: 4px solid rgb(var(--kb-primary)) !important; 
}

/* Form controls */
.input.sub-item-focused,
select.sub-item-focused {
  color: rgb(var(--kb-primary)) !important;
  font-weight: 700 !important;
}

.input-container.sub-item-focused,
.questoes-slider-container.sub-item-focused { 
  border-radius: 12px !important;
  padding: 1rem !important;
}

/* Slider specific styles */
.questoes-slider.sub-item-focused { 
  transform: scale(1.02) !important; 
}

.questoes-slider.sub-item-focused::-webkit-slider-thumb,
.questoes-slider.sub-item-focused::-moz-range-thumb {
  background: rgba(var(--kb-primary), 0.9) !important;
  transform: scale(1.2) !important;
}

/* Toggle options */
.toggle-option.sub-item-focused {
  background: linear-gradient(135deg, rgba(var(--kb-primary), 0.25), rgba(var(--kb-secondary), 0.2)) !important;
  border-radius: 50px !important;
  color: rgb(var(--kb-primary)) !important;
  font-weight: 700 !important;
}

/* Child elements */
.sub-item-focused h3,
.sub-item-focused .performance-value,
.sub-item-focused .result-span,
.sub-item-focused i { 
  color: rgb(var(--kb-primary)) !important; 
}

.sub-item-focused .stat-icon,
.sub-item-focused .turma-icon,
.sub-item-focused .historico-icon-container {
  background: linear-gradient(135deg, rgb(var(--kb-primary)), rgba(var(--kb-secondary), 1)) !important;
  transform: scale(1.1) rotate(5deg) !important;
  box-shadow: 0 8px 25px rgba(var(--kb-primary), 0.4) !important;
}

/* ========================================
   INPUT SUB-NAVIGATION ACTIVE STATE
   ======================================== */

.input-sub-navigation-active,
.input:focus {
  background: linear-gradient(135deg, rgba(var(--kb-primary), 0.15), rgba(var(--kb-secondary), 0.1)) !important;
  border: 2px solid rgba(var(--kb-primary), 0.8) !important;
  box-shadow: 0 0 0 6px rgba(var(--kb-primary), 0.2), 0 6px 20px rgba(var(--kb-primary), 0.3) !important;
  outline: none !important;
}

/* ========================================
   MOBILE RESPONSIVENESS
   ======================================== */

@media (max-width: 768px) {
  .accessibility-toggle {
    top: 10px;
    right: 10px;
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
  }

  .keyboard-hints,
  .keyboard-navigation-hints {
    bottom: 10px;
    left: 10px;
    right: 10px;
    transform: translateY(100px);
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }

  .keyboard-hints.visible,
  .keyboard-navigation-hints.visible {
    transform: translateY(0);
  }

  .navigation-feedback {
    top: 80px;
    right: 10px;
    left: 10px;
    transform: translateY(-100px);
  }

  .navigation-feedback.visible {
    transform: translateY(0);
  }

  .hint-item {
    justify-content: center;
  }
}

/* ========================================
   DRAWING MODE STYLES (for redacao pages)
   ======================================== */

.drawing-mode-indicator {
  position: fixed;
  top: 20px;
  right: 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  z-index: 10000;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  opacity: 0;
  transform: translateY(-20px);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  min-width: 280px;
}

.drawing-mode-indicator.visible {
  opacity: 1;
  transform: translateY(0);
}

.drawing-mode-indicator i {
  font-size: 1.5rem;
  color: #ffd700;
  animation: drawingPulse 2s infinite;
}

.drawing-mode-indicator span {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.5px;
}

.drawing-mode-indicator small {
  display: block;
  font-size: 0.8rem;
  opacity: 0.9;
  margin-top: 0.25rem;
}

@keyframes drawingPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.drawing-canvas {
  cursor: crosshair;
  border: 2px dashed rgba(33, 150, 243, 0.3);
  border-radius: 8px;
  background: rgba(33, 150, 243, 0.05);
  transition: all 0.3s ease;
}

.drawing-canvas:hover {
  border-color: rgba(33, 150, 243, 0.5);
  background: rgba(33, 150, 243, 0.1);
}