/**
 * ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
 * ┃     STUDYMASTER — AIVOS CHARACTER SYSTEM (Estilos)                 ┃
 * ┃                                                                     ┃
 * ┃  Componentes visuais do personagem AIVOS para uso em toda          ┃
 * ┃  a plataforma. Requer apenas as variáveis CSS do design system     ┃
 * ┃  existente (--color-*, --grad-*, --space-*, --radius-*).           ┃
 * ┃                                                                     ┃
 * ┃  USO: Adicione <link rel="stylesheet" href="src/aivos-char.css">   ┃
 * ┃  no <head> para ativar.                                            ┃
 * ┃                                                                     ┃
 * ┃  Este arquivo é ADITIVO — não modifica nada existente.             ┃
 * ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
 */

/* ════════════════════════════════════════════════════════════════════════════
   AIVOS DASHBOARD & RECOMMENDATIONS
   ───
   Dashboard inteligente, recomendacoes e coach contextual.
   ════════════════════════════════════════════════════════════════════════════ */

/* ── Coach Container ── */
#aivos-coach-container {
  display: none;
  margin-bottom: var(--space-4);
}
#aivos-coach-container .aivos-coach {
  max-width: 100%;
}

/* ── Dashboard ── */
.aivos-dashboard {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  animation: aivosCoachIn 0.4s var(--bounce-ease) forwards;
}
.aivos-dash-header {
  margin-bottom: var(--space-4);
}
.aivos-dash-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}
.aivos-dash-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-text);
  margin: 0;
}
.aivos-streak-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: linear-gradient(135deg, #f97316, #ef4444);
  color: white;
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
}
.aivos-xp-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.aivos-xp-label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-muted);
  white-space: nowrap;
}
.aivos-xp-bar {
  flex: 1;
  height: 6px;
  background: var(--color-surface-offset);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.aivos-xp-fill {
  height: 100%;
  background: var(--grad-brand);
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
}
.aivos-xp-next {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  white-space: nowrap;
}

/* ── Metrics Grid ── */
.aivos-dash-metrics {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.aivos-metric {
  text-align: center;
  padding: var(--space-3);
  background: var(--color-surface-offset);
  border-radius: var(--radius-lg);
}
.aivos-metric-value {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.2;
}
.aivos-metric-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ── Weekly Evolution ── */
.aivos-dash-section {
  margin-top: var(--space-4);
}
.aivos-section-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 var(--space-3) 0;
}
.aivos-weekly-grid {
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
  height: 120px;
  padding: var(--space-2) 0;
}
.aivos-weekly-bar {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  height: 100%;
  justify-content: flex-end;
}
.aivos-bar-track {
  width: 100%;
  max-width: 32px;
  height: 80px;
  background: var(--color-surface-offset);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  position: relative;
  overflow: hidden;
}
.aivos-bar-fill {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--grad-brand);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: height 0.5s ease;
  min-height: 2px;
}
.aivos-bar-label {
  font-size: 10px;
  color: var(--color-text-faint);
  text-transform: uppercase;
}
.aivos-bar-value {
  font-size: 10px;
  font-weight: 700;
  color: var(--color-text-muted);
}

/* ── Disciplines List ── */
.aivos-disc-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.aivos-disc-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-divider);
}
.aivos-disc-row:last-child { border-bottom: none; }
.aivos-disc-name {
  flex: 0 0 120px;
  font-size: var(--text-xs);
  color: var(--color-text);
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.aivos-disc-bar {
  flex: 1;
  height: 8px;
  background: var(--color-surface-offset);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.aivos-disc-fill {
  height: 100%;
  background: var(--grad-brand);
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
}
.aivos-disc-acc {
  flex: 0 0 40px;
  text-align: right;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text);
}
.aivos-disc-critical .aivos-disc-fill { background: linear-gradient(135deg, #ef4444, #dc2626); }
.aivos-disc-mastered .aivos-disc-fill { background: linear-gradient(135deg, #22c55e, #16a34a); }
.aivos-empty-state {
  text-align: center;
  padding: var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ── Recommendation Card ── */
.aivos-recommendation-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: linear-gradient(135deg, oklch(from var(--color-primary) l c h / 0.08) 0%, oklch(from var(--color-accent) l c h / 0.05) 100%);
  border: 1px solid oklch(from var(--color-primary) l c h / 0.2);
  border-radius: var(--radius-xl);
  animation: aivosCoachIn 0.35s var(--bounce-ease) forwards;
}
.aivos-rec-avatar { flex-shrink: 0; }
.aivos-rec-body { flex: 1; min-width: 0; }
.aivos-rec-name {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-1);
}
.aivos-rec-msg {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: var(--space-2);
}
.aivos-rec-btn {}

/* ── Dashboard Responsivo ── */
@media (max-width: 768px) {
  .aivos-dash-metrics {
    grid-template-columns: repeat(3, 1fr);
  }
  .aivos-metric-value { font-size: var(--text-base); }
  .aivos-disc-name { flex-basis: 80px; }
  .aivos-weekly-grid { height: 100px; }
  .aivos-bar-track { max-width: 24px; height: 64px; }
}

/* ════════════════════════════════════════════════════════════════════════════
   AIVOS AVATAR
   ───
   Componente base: representa o personagem AIVOS em diferentes estados.
   Classes: .aivos-avatar, .aivos-avatar--{size}, .aivos-avatar--{state}
   ════════════════════════════════════════════════════════════════════════════ */

/* ── Container ── */
.aivos-avatar {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, 
    oklch(from var(--color-primary) l c h / 0.1) 0%, 
    oklch(from var(--color-primary-mid) l c h / 0.06) 100%);
  overflow: hidden;
  transition: all 0.3s var(--bounce-ease);
  user-select: none;
  -webkit-user-select: none;
}

.aivos-avatar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 100% 80% at 50% 30%, 
    oklch(from var(--color-primary) l c h / 0.08) 0%, 
    transparent 70%);
  pointer-events: none;
  transition: opacity 0.3s ease;
}

/* ── Canvas do avatar (SVG inserido dinamicamente) ── */
.aivos-avatar-svg {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
}

/* ── Tamanhos ── */
.aivos-avatar--sm {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
}
.aivos-avatar--md {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
}
.aivos-avatar--lg {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
}
.aivos-avatar--xl {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-xl);
}

/* ── Estados (olhos, brilho do visor) ── */
.aivos-avatar--idle .aivos-eye {
  animation: aivosEyeIdle 3s ease-in-out infinite;
}
.aivos-avatar--thinking .aivos-eye {
  animation: aivosEyeThinking 1.2s ease-in-out infinite;
}
.aivos-avatar--teaching .aivos-eye {
  animation: aivosEyeTeaching 2s ease-in-out infinite;
}
.aivos-avatar--celebrating .aivos-eye {
  animation: aivosEyeCelebrate 0.6s ease-in-out 3;
}
.aivos-avatar--warning .aivos-eye {
  fill: var(--color-error);
  animation: aivosEyeWarning 0.8s ease-in-out infinite;
}

/* ── Brilho do visor ── */
.aivos-visor-glow {
  opacity: 0;
  transition: opacity 0.4s ease;
}
.aivos-avatar--thinking .aivos-visor-glow,
.aivos-avatar--teaching .aivos-visor-glow {
  opacity: 0.6;
  animation: aivosGlowPulse 1.8s ease-in-out infinite;
}
.aivos-avatar--celebrating .aivos-visor-glow {
  opacity: 0.9;
}

/* ── Animações dos olhos ── */
@keyframes aivosEyeIdle {
  0%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(1); }
  55% { transform: scaleY(0.15); }
  60% { transform: scaleY(1); }
}

@keyframes aivosEyeThinking {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(2px); }
  75% { transform: translateX(-1px); }
}

@keyframes aivosEyeTeaching {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.08); opacity: 0.85; }
}

@keyframes aivosEyeCelebrate {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.25); }
}

@keyframes aivosEyeWarning {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ── Pulso de luz do visor ── */
@keyframes aivosGlowPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}


/* ════════════════════════════════════════════════════════════════════════════
   AIVOS COACH
   ───
   Card com avatar + balão de fala + ação opcional.
   ════════════════════════════════════════════════════════════════════════════ */

.aivos-coach {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: all 0.25s var(--bounce-ease);
  animation: aivosCoachIn 0.35s var(--bounce-ease) forwards;
  max-width: 480px;
}

.aivos-coach:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

@keyframes aivosCoachIn {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.aivos-coach-avatar {
  flex-shrink: 0;
  margin-top: 2px;
}

.aivos-coach-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.aivos-coach-name {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.aivos-coach-message {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.6;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.aivos-coach-action {
  margin-top: var(--space-1);
}

.aivos-coach-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--grad-brand);
  color: white;
  font-size: var(--text-xs);
  font-weight: 700;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s var(--bounce-ease);
  font-family: inherit;
}

.aivos-coach-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px oklch(from var(--color-primary) l c h / 0.3);
}

.aivos-coach-btn:active {
  transform: translateY(0) scale(0.97);
}

.aivos-coach-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}


/* ════════════════════════════════════════════════════════════════════════════
   AIVOS BUBBLE
   ───
   Notificação flutuante com avatar mini + texto.
   ════════════════════════════════════════════════════════════════════════════ */

.aivos-bubble {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 800;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  animation: aivosBubbleIn 0.35s var(--bounce-ease) forwards;
  max-width: 360px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.aivos-bubble:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px oklch(from var(--color-primary) l c h / 0.15);
}

@keyframes aivosBubbleIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.aivos-bubble--info {
  border-left: 3px solid var(--color-primary);
}
.aivos-bubble--success {
  border-left: 3px solid var(--color-success);
}
.aivos-bubble--warning {
  border-left: 3px solid var(--color-warning);
}
.aivos-bubble--error {
  border-left: 3px solid var(--color-error);
}

.aivos-bubble-avatar {
  flex-shrink: 0;
}

.aivos-bubble-text {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.5;
  flex: 1;
  min-width: 0;
}

.aivos-bubble-close {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: var(--color-surface-offset);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 14px;
  transition: all 0.15s ease;
  padding: 0;
}

.aivos-bubble-close:hover {
  background: var(--color-divider);
  color: var(--color-text);
}

.aivos-bubble-close:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.aivos-bubble--out {
  animation: aivosBubbleOut 0.3s ease forwards;
}

@keyframes aivosBubbleOut {
  to {
    opacity: 0;
    transform: translateY(10px) scale(0.9);
  }
}


/* ════════════════════════════════════════════════════════════════════════════
   AIVOS CELEBRATION
   ───
   Card de celebração com avatar + mensagem + confetti opcional.
   ════════════════════════════════════════════════════════════════════════════ */

.aivos-celebration {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
  padding: var(--space-8);
  background: linear-gradient(135deg, 
    oklch(from var(--color-primary) l c h / 0.06) 0%, 
    oklch(from var(--color-primary-mid) l c h / 0.03) 100%);
  border: 1px solid oklch(from var(--color-primary) l c h / 0.2);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  animation: aivosCelebIn 0.5s var(--bounce-ease) forwards;
  max-width: 400px;
  position: relative;
  overflow: hidden;
}

.aivos-celebration::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 120% 60% at 50% 0%, 
    oklch(from var(--color-primary) l c h / 0.1) 0%, 
    transparent 70%);
  pointer-events: none;
}

@keyframes aivosCelebIn {
  from {
    opacity: 0;
    transform: scale(0.85);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.aivos-celebration-avatar {
  position: relative;
  z-index: 1;
  animation: aivosCelebAvatar 0.6s var(--bounce-ease) 0.2s both;
}

@keyframes aivosCelebAvatar {
  0% { transform: scale(0.5) rotate(-10deg); }
  60% { transform: scale(1.15) rotate(3deg); }
  100% { transform: scale(1) rotate(0deg); }
}

.aivos-celebration-title {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-text);
  line-height: 1.2;
}

.aivos-celebration-sub {
  position: relative;
  z-index: 1;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  max-width: 280px;
}

.aivos-celebration-score {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.aivos-celebration-btn {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--grad-brand);
  color: white;
  font-weight: 700;
  font-size: var(--text-sm);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s var(--bounce-ease);
  font-family: inherit;
}

.aivos-celebration-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px oklch(from var(--color-primary) l c h / 0.3);
}

.aivos-celebration-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}


/* ════════════════════════════════════════════════════════════════════════════
   ACESSIBILIDADE — Prefers Reduced Motion
   ════════════════════════════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
  .aivos-avatar,
  .aivos-avatar--idle .aivos-eye,
  .aivos-avatar--thinking .aivos-eye,
  .aivos-avatar--teaching .aivos-eye,
  .aivos-avatar--celebrating .aivos-eye,
  .aivos-avatar--warning .aivos-eye,
  .aivos-visor-glow,
  .aivos-coach,
  .aivos-bubble,
  .aivos-celebration,
  .aivos-celebration-avatar {
    animation: none !important;
    transition: none !important;
  }
  .aivos-visor-glow {
    opacity: 0.4 !important;
  }
}


/* ════════════════════════════════════════════════════════════════════════════
   RESPONSIVO
   ════════════════════════════════════════════════════════════════════════════ */

@media (max-width: 480px) {
  .aivos-coach {
    padding: var(--space-3);
    max-width: 100%;
  }
  .aivos-bubble {
    bottom: var(--space-4);
    right: var(--space-4);
    left: var(--space-4);
    max-width: none;
  }
  .aivos-celebration {
    padding: var(--space-6);
  }
  .aivos-avatar--xl {
    width: 72px;
    height: 72px;
  }
}
