/* ========================================
   🧠 CALCULADORA EDUCATIVA DE SEPSE
   Design Médico Profissional
   ======================================== */

:root {
  /* Paleta Médica Principal */
  --primary-blue: #2E86AB;
  --secondary-blue: #A23B72;
  --success-green: #38A169;
  --warning-yellow: #D69E2E;
  --danger-red: #E53E3E;
  --critical-red: #C53030;
  
  /* Cores Auxiliares */
  --light-blue: #E6F3FF;
  --light-green: #F0FFF4;
  --light-yellow: #FFFBEB;
  --light-red: #FED7D7;
  
  /* Gradientes */
  --hero-gradient: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
  --card-gradient: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  
  /* Sombras */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Tipografia */
  --font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
}

/* ========================================
   RESET E BASE
   ======================================== */

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: #334155;
  background-color: #f8fafc;
  margin: 0;
  padding: 0;
}

/* ========================================
   LANGUAGE SELECTOR
   ======================================== */

.language-selector {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  gap: 5px;
  background: rgba(255, 255, 255, 0.95);
  padding: 5px;
  border-radius: 25px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
}

.language-btn {
  padding: 8px 16px;
  border: 2px solid transparent;
  border-radius: 20px;
  background: transparent;
  font-weight: 600;
  font-size: 0.85rem;
  transition: all 0.3s ease;
  cursor: pointer;
  color: #334155;
}

.language-btn:hover {
  background: var(--light-blue);
  border-color: var(--primary-blue);
  transform: translateY(-2px);
}

.language-btn.active {
  background: var(--primary-blue);
  color: white;
  border-color: var(--primary-blue);
}

/* ========================================
   CABEÇALHO HERO
   ======================================== */

.hero-section {
  background: var(--hero-gradient);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

.text-white-75 {
  color: rgba(255, 255, 255, 0.75);
}

/* BADGES EDUCATIVOS */
.badges-container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.badge {
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease;
}

.badge:hover {
  transform: translateY(-1px);
}

.badge-educational {
  background: var(--success-green);
  color: white;
}

.badge-transparent {
  background: var(--primary-blue);
  color: white;
}

.badge-ai {
  background: var(--secondary-blue);
  color: white;
}

.badge-innovation {
  background: var(--warning-yellow);
  color: #1a202c;
}

/* ========================================
   CARDS PRINCIPAIS
   ======================================== */

.calculator-card,
.result-card,
.educational-card,
.disclaimer-card {
  background: var(--card-gradient);
  border: none;
  border-radius: 1rem;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.calculator-card:hover,
.result-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.card-header {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  border-bottom: 1px solid #e2e8f0;
  padding: 1.5rem;
  position: relative;
}

.card-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1.5rem;
  right: 1.5rem;
  height: 2px;
  background: var(--primary-blue);
  border-radius: 1px;
}

.card-body {
  padding: 1.5rem;
}

/* ========================================
   FORMULÁRIO DE PARÂMETROS
   ======================================== */

.parameter-group {
  position: relative;
}

.parameter-label {
  display: flex;
  align-items: center;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 0.5rem;
}

.parameter-icon {
  color: var(--primary-blue);
  width: 1.25rem;
  margin-right: 0.75rem;
}

.parameter-input {
  border: 2px solid #e2e8f0;
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  font-size: var(--font-size-base);
  transition: all 0.2s ease;
  background: white;
}

.parameter-input:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(46, 134, 171, 0.1);
}

.parameter-input:invalid {
  border-color: var(--danger-red);
}

.parameter-input:valid {
  border-color: var(--success-green);
}

.parameter-range {
  font-size: var(--font-size-xs);
  color: #64748b;
  margin-top: 0.25rem;
  font-style: italic;
}

/* ========================================
   BOTÕES DE EXEMPLO
   ======================================== */

.examples-section {
  background: var(--light-blue);
  border-radius: 0.75rem;
  padding: 1rem;
  margin: 1.5rem 0;
}

.btn-example {
  border-radius: 0.5rem;
  font-weight: 500;
  transition: all 0.2s ease;
  margin: 0.25rem;
}

.btn-example:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* ========================================
   BOTÕES DE AÇÃO
   ======================================== */

.action-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

.btn-calculate {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
  border: none;
  padding: 0.75rem 2rem;
  border-radius: 0.75rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-calculate:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-calculate:disabled {
  opacity: 0.7;
  transform: none;
}

/* ========================================
   SEÇÃO DE RESULTADOS
   ======================================== */

.results-section {
  padding: 3rem 0;
}

.traditional-card .card-header::after {
  background: var(--success-green);
}

.ai-card .card-header::after {
  background: var(--secondary-blue);
}

.hybrid-card .card-header::after {
  background: var(--primary-blue);
}

/* MEDIDORES DE RISCO */
.risk-meter-container {
  text-align: center;
  padding: 1rem;
  background: rgba(46, 134, 171, 0.05);
  border-radius: 0.75rem;
}

.risk-percentage {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-blue);
  margin-bottom: 0.5rem;
}

.hybrid-percentage {
  font-size: 3rem;
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.risk-category {
  font-weight: 600;
  font-size: var(--font-size-lg);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.risk-progress {
  height: 0.75rem;
  border-radius: 0.375rem;
  overflow: hidden;
  background: #e2e8f0;
}

.risk-progress .progress-bar {
  transition: width 1s ease;
  border-radius: 0.375rem;
}

/* ========================================
   EXPLICAÇÕES E DETALHES
   ======================================== */

.explanation-section {
  background: var(--light-green);
  border-radius: 0.5rem;
  padding: 1rem;
  margin-top: 1rem;
}

.explanation-text {
  font-size: var(--font-size-sm);
  line-height: 1.5;
  color: #374151;
}

.explanation-text p {
  margin-bottom: 0.5rem;
}

.explanation-text p:last-child {
  margin-bottom: 0;
}

/* DETALHES DA IA */
.confidence-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.confidence-bar .progress {
  flex: 1;
  height: 0.5rem;
  border-radius: 0.25rem;
}

.probabilities-list {
  font-size: var(--font-size-sm);
}

.probability-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.25rem 0;
  border-bottom: 1px solid #e2e8f0;
}

.probability-item:last-child {
  border-bottom: none;
}

/* RECOMENDAÇÃO CLÍNICA */
.recommendation {
  font-weight: 500;
  border-left: 4px solid var(--primary-blue);
  background: rgba(46, 134, 171, 0.1);
  border-color: var(--primary-blue) !important;
}

/* COMPOSIÇÃO HÍBRIDA */
.composition-details {
  background: var(--light-blue);
  border-radius: 0.5rem;
  padding: 1rem;
}

.composition-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  font-size: var(--font-size-sm);
}

.composition-value {
  font-weight: 600;
  color: var(--primary-blue);
}

/* ========================================
   SEÇÃO EDUCATIVA
   ======================================== */

.educational-section {
  padding: 3rem 0;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.scientific-list {
  list-style: none;
  padding: 0;
}

.scientific-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid #e2e8f0;
  position: relative;
  padding-left: 1.5rem;
}

.scientific-list li:last-child {
  border-bottom: none;
}

.scientific-list li::before {
  content: '•';
  color: var(--primary-blue);
  font-weight: bold;
  position: absolute;
  left: 0;
}

.scientific-note {
  font-style: italic;
  color: var(--primary-blue);
  margin-top: 1rem;
  padding: 0.75rem;
  background: rgba(46, 134, 171, 0.1);
  border-radius: 0.5rem;
  border-left: 3px solid var(--primary-blue);
}

.feature-importance {
  background: rgba(162, 59, 114, 0.1);
  border-radius: 0.5rem;
  padding: 1rem;
  margin-top: 1rem;
}

.feature-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.25rem 0;
  font-size: var(--font-size-sm);
}

.feature-bar {
  width: 60%;
  height: 0.25rem;
  background: #e2e8f0;
  border-radius: 0.125rem;
  overflow: hidden;
}

.feature-bar .feature-progress {
  height: 100%;
  background: var(--secondary-blue);
  transition: width 1s ease;
}

.advantages-list {
  list-style: none;
  padding: 0;
}

.advantages-list li {
  padding: 0.25rem 0;
  position: relative;
  padding-left: 1.25rem;
}

.advantages-list li::before {
  content: '✓';
  color: var(--success-green);
  font-weight: bold;
  position: absolute;
  left: 0;
}

/* ========================================
   DISCLAIMERS
   ======================================== */

.disclaimers-section {
  padding: 2rem 0;
}

.disclaimer-card {
  background: linear-gradient(135deg, var(--light-yellow) 0%, #fff7ed 100%);
  border: 1px solid var(--warning-yellow);
}

.disclaimer-item {
  text-align: center;
  padding: 1rem;
}

.disclaimer-icon {
  font-size: 2rem;
  color: var(--warning-yellow);
  margin-bottom: 0.75rem;
  display: block;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
  background: var(--hero-gradient);
  color: white;
  padding: 1.5rem 0;
  margin-top: 3rem;
}

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

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease;
}

.pulse {
  animation: pulse 2s infinite;
}

/* ========================================
   RESPONSIVIDADE
   ======================================== */

@media (max-width: 768px) {
  .hero-section {
    padding: 2rem 0 !important;
  }
  
  .badges-container {
    flex-direction: column;
    align-items: center;
  }
  
  .action-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .risk-percentage {
    font-size: 2rem;
  }
  
  .hybrid-percentage {
    font-size: 2.5rem;
  }
  
  .composition-item {
    flex-direction: column;
    text-align: center;
    gap: 0.25rem;
  }
  
  .confidence-bar {
    flex-direction: column;
    gap: 0.5rem;
  }
}

@media (max-width: 576px) {
  .card-body {
    padding: 1rem;
  }
  
  .parameter-input {
    font-size: var(--font-size-sm);
  }
  
  .btn-example {
    display: block;
    width: 100%;
    margin: 0.25rem 0;
  }
}

/* ========================================
   UTILITÁRIOS
   ======================================== */

.text-gradient {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bg-medical {
  background: var(--hero-gradient);
}

.shadow-medical {
  box-shadow: var(--shadow-lg);
}

.border-medical {
  border-color: var(--primary-blue);
}

/* CORES DE RISCO */
.risk-low { color: var(--success-green); }
.risk-moderate { color: var(--warning-yellow); }
.risk-high { color: var(--danger-red); }
.risk-critical { color: var(--critical-red); }

.bg-risk-low { background-color: var(--success-green); }
.bg-risk-moderate { background-color: var(--warning-yellow); }
.bg-risk-high { background-color: var(--danger-red); }
.bg-risk-critical { background-color: var(--critical-red); }