/**
 * Category Icons - Lucide + CSS Animations
 * Academy Educação Blog
 */

/* ===========================================
   BASE STYLES
   =========================================== */

.category-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 1rem;
  position: relative;
  overflow: hidden;
}

.category-icon svg {
  width: 40px;
  height: 40px;
  stroke-width: 1.5;
  position: relative;
  z-index: 2;
}

.category-icon::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.1;
  border-radius: inherit;
  z-index: 1;
}

/* Tamanhos variantes */
.category-icon--sm {
  width: 48px;
  height: 48px;
}
.category-icon--sm svg {
  width: 24px;
  height: 24px;
}

.category-icon--lg {
  width: 120px;
  height: 120px;
}
.category-icon--lg svg {
  width: 60px;
  height: 60px;
}

/* ===========================================
   ANIMAÇÕES BASE
   =========================================== */

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  25% { transform: translateY(-4px); }
  75% { transform: translateY(4px); }
}

@keyframes wave {
  0%, 100% { transform: rotate(-5deg); }
  50% { transform: rotate(5deg); }
}

@keyframes glow {
  0%, 100% { filter: drop-shadow(0 0 5px currentColor); }
  50% { filter: drop-shadow(0 0 20px currentColor); }
}

@keyframes draw {
  from { stroke-dashoffset: 100; }
  to { stroke-dashoffset: 0; }
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  15% { transform: scale(1.15); }
  30% { transform: scale(1); }
  45% { transform: scale(1.1); }
}

@keyframes typing {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ===========================================
   CATEGORIA: GESTÃO
   =========================================== */

.category-icon--gestao {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(37, 99, 235, 0.2));
  color: #3b82f6;
}

.category-icon--gestao::before {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.category-icon--gestao svg {
  animation: float 3s ease-in-out infinite;
}

.category-icon--gestao:hover svg {
  animation: pulse 0.5s ease-in-out;
}

/* ===========================================
   CATEGORIA: EDUCAÇÃO
   =========================================== */

.category-icon--educacao {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(22, 163, 74, 0.2));
  color: #22c55e;
}

.category-icon--educacao::before {
  background: linear-gradient(135deg, #22c55e, #16a34a);
}

.category-icon--educacao svg {
  animation: wave 2s ease-in-out infinite;
}

/* ===========================================
   CATEGORIA: DIREITO
   =========================================== */

.category-icon--direito {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(147, 51, 234, 0.2));
  color: #a855f7;
}

.category-icon--direito::before {
  background: linear-gradient(135deg, #a855f7, #9333ea);
}

.category-icon--direito svg {
  animation: bounce 2.5s ease-in-out infinite;
}

/* ===========================================
   CATEGORIA: MARKETING
   =========================================== */

.category-icon--marketing {
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.1), rgba(234, 88, 12, 0.2));
  color: #f97316;
}

.category-icon--marketing::before {
  background: linear-gradient(135deg, #f97316, #ea580c);
}

.category-icon--marketing svg {
  animation: pulse 2s ease-in-out infinite;
}

/* ===========================================
   CATEGORIA: SAÚDE
   =========================================== */

.category-icon--saude {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(220, 38, 38, 0.2));
  color: #ef4444;
}

.category-icon--saude::before {
  background: linear-gradient(135deg, #ef4444, #dc2626);
}

.category-icon--saude svg {
  animation: heartbeat 1.5s ease-in-out infinite;
}

/* ===========================================
   CATEGORIA: PSICOLOGIA
   =========================================== */

.category-icon--psicologia {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.1), rgba(219, 39, 119, 0.2));
  color: #ec4899;
}

.category-icon--psicologia::before {
  background: linear-gradient(135deg, #ec4899, #db2777);
}

.category-icon--psicologia svg {
  animation: glow 3s ease-in-out infinite;
}

/* ===========================================
   CATEGORIA: FINANÇAS
   =========================================== */

.category-icon--financas {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(79, 70, 229, 0.2));
  color: #6366f1;
}

.category-icon--financas::before {
  background: linear-gradient(135deg, #6366f1, #4f46e5);
}

.category-icon--financas svg {
  animation: float 2.5s ease-in-out infinite;
}

/* ===========================================
   CATEGORIA: TECNOLOGIA
   =========================================== */

.category-icon--tecnologia {
  background: linear-gradient(135deg, rgba(20, 184, 166, 0.1), rgba(13, 148, 136, 0.2));
  color: #14b8a6;
}

.category-icon--tecnologia::before {
  background: linear-gradient(135deg, #14b8a6, #0d9488);
}

.category-icon--tecnologia svg {
  animation: typing 1s ease-in-out infinite;
}

/* ===========================================
   CATEGORIA: ENGENHARIA
   =========================================== */

.category-icon--engenharia {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(217, 119, 6, 0.2));
  color: #f59e0b;
}

.category-icon--engenharia::before {
  background: linear-gradient(135deg, #f59e0b, #d97706);
}

.category-icon--engenharia svg {
  animation: spin-slow 8s linear infinite;
}

/* ===========================================
   CATEGORIA: SEGURANÇA
   =========================================== */

.category-icon--seguranca {
  background: linear-gradient(135deg, rgba(107, 114, 128, 0.1), rgba(75, 85, 99, 0.2));
  color: #6b7280;
}

.category-icon--seguranca::before {
  background: linear-gradient(135deg, #6b7280, #4b5563);
}

.category-icon--seguranca svg {
  animation: pulse 3s ease-in-out infinite;
}

/* ===========================================
   CATEGORIA: ARTES
   =========================================== */

.category-icon--artes {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(236, 72, 153, 0.1), rgba(249, 115, 22, 0.1));
  color: #a855f7;
}

.category-icon--artes::before {
  background: linear-gradient(135deg, #a855f7, #ec4899, #f97316);
}

.category-icon--artes svg {
  animation: wave 2s ease-in-out infinite;
}

/* ===========================================
   CATEGORIA: SOCIAL
   =========================================== */

.category-icon--social {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(20, 184, 166, 0.1));
  color: #22c55e;
}

.category-icon--social::before {
  background: linear-gradient(135deg, #22c55e, #14b8a6);
}

.category-icon--social svg {
  animation: float 3s ease-in-out infinite;
}

/* ===========================================
   HOVER EFFECTS (GLOBAL)
   =========================================== */

.category-icon {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.category-icon:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 40px -10px currentColor;
}

.category-icon:hover svg {
  animation-play-state: paused;
}

/* ===========================================
   DARK MODE ADJUSTMENTS
   =========================================== */

.dark .category-icon {
  background: rgba(255, 255, 255, 0.05);
}

.dark .category-icon::before {
  opacity: 0.15;
}

/* ===========================================
   CATEGORY BACKGROUNDS (para containers)
   =========================================== */

.category-icon-container {
  background: linear-gradient(135deg, var(--bg-start), var(--bg-end));
}

.category-bg--gestao {
  --bg-start: rgba(59, 130, 246, 0.05);
  --bg-end: rgba(37, 99, 235, 0.15);
}

.category-bg--educacao {
  --bg-start: rgba(34, 197, 94, 0.05);
  --bg-end: rgba(22, 163, 74, 0.15);
}

.category-bg--direito {
  --bg-start: rgba(168, 85, 247, 0.05);
  --bg-end: rgba(147, 51, 234, 0.15);
}

.category-bg--marketing {
  --bg-start: rgba(249, 115, 22, 0.05);
  --bg-end: rgba(234, 88, 12, 0.15);
}

.category-bg--saude {
  --bg-start: rgba(239, 68, 68, 0.05);
  --bg-end: rgba(220, 38, 38, 0.15);
}

.category-bg--psicologia {
  --bg-start: rgba(236, 72, 153, 0.05);
  --bg-end: rgba(219, 39, 119, 0.15);
}

.category-bg--financas {
  --bg-start: rgba(99, 102, 241, 0.05);
  --bg-end: rgba(79, 70, 229, 0.15);
}

.category-bg--tecnologia {
  --bg-start: rgba(20, 184, 166, 0.05);
  --bg-end: rgba(13, 148, 136, 0.15);
}

.category-bg--engenharia {
  --bg-start: rgba(245, 158, 11, 0.05);
  --bg-end: rgba(217, 119, 6, 0.15);
}

.category-bg--seguranca {
  --bg-start: rgba(107, 114, 128, 0.05);
  --bg-end: rgba(75, 85, 99, 0.15);
}

.category-bg--artes {
  --bg-start: rgba(168, 85, 247, 0.05);
  --bg-end: rgba(249, 115, 22, 0.1);
}

.category-bg--social {
  --bg-start: rgba(34, 197, 94, 0.05);
  --bg-end: rgba(20, 184, 166, 0.15);
}