/* =====================================================
   CODEX.AI — styles.css (Solução B: editor único)
   - Usa um <div id="editor" contenteditable="true">
   - Sem overlay de texto (adeus borrado)
   - Sem hacks de GPU que “amaciam” as letras
   ===================================================== */

/* ---------- Reset & Base ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root{
  --brand-primary: #3b82f6;   /* blue-500 */
  --brand-secondary:#4f46e5;  /* indigo-600 */
  --background-light:#f8fafc; /* slate-50 */
  --text-primary:   #1e293b;  /* slate-800 */
  --text-secondary: #64748b;  /* slate-500 */
  --accent-purple:  #667eea;
  --accent-pink:    #f093fb;
  --accent-green:   #10b981;
  --accent-red:     #ef4444;

  --shadow-light:  0 4px 6px rgba(0,0,0,.05);
  --shadow-medium: 0 8px 25px rgba(0,0,0,.10);
  --shadow-heavy:  0 20px 40px rgba(0,0,0,.15);
}

html, body{
  /* Tipografia nítida sem forçar GPU */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-synthesis: none;
}

body{
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* ---------- Cards / Containers ---------- */
.login-card,
.main-card{
  background: rgba(255,255,255,.98);
  border-radius: 20px;
  box-shadow: var(--shadow-heavy);
  transition: box-shadow .3s ease, transform .3s ease;
  border: 1px solid rgba(0,0,0,.05);
}

.login-card:hover,
.main-card:hover{
  transform: translateY(-2px);
  box-shadow: 0 20px 40px rgba(0,0,0,.18);
}

/* ---------- Header ---------- */
.header-gradient{
  background: linear-gradient(135deg, var(--accent-purple) 0%, var(--brand-secondary) 100%);
  position: relative;
  overflow: hidden;
}

.header-gradient::before{
  content:'';
  position:absolute; inset:0;
  background: linear-gradient(45deg, rgba(255,255,255,.12) 0%, transparent 100%);
  pointer-events:none;
}

/* ---------- Abas ---------- */
.tab-button{
  position: relative;
  transition: color .2s ease;
  border-radius: 8px 8px 0 0;
}
.tab-button::before{
  content:'';
  position:absolute; inset:0;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
  opacity:0; transition: opacity .25s ease;
  border-radius: 8px 8px 0 0;
}
.tab-button.active{ color: var(--brand-secondary); font-weight: 600; }
.tab-button.active::before{ opacity:.08; }
.tab-button::after{
  content:'';
  position:absolute; bottom:-2px; left:0;
  height:3px; width:100%;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-pink));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
  border-radius: 2px;
}
.tab-button.active::after{ transform: scaleX(1); }

/* =====================================================
   EDITOR ÚNICO (contenteditable)
   Substitui o antigo #clinicalNote + #highlighted-text
   HTML esperado:
   <div id="text-input-area">
     <div id="editor" contenteditable></div>
   </div>
   ===================================================== */


#editor{
  /* Área de edição/visualização */
  display: block;
  min-height: 220px;
  padding: 1rem;
  background: #f8fafc;                /* slate-50 */
  border: 2px solid #e2e8f0;           /* slate-200 */
  border-radius: 12px;
  box-shadow: 0 1px 0 rgba(0,0,0,.02);
  color: #0f172a;                      /* slate-900 (contraste melhor) */
  font: 400 1rem/1.6 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  white-space: pre-wrap;
  word-break: break-word;
  outline: none;
}

/* Placeholder para contenteditable */
#editor:empty:before{
  content: attr(data-placeholder);
  color: #94a3b8; /* slate-400 */
}

/* Foco do editor */
#editor:focus{
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 4px rgba(102,126,234,.12);
}

/* Texto evidenciado (hover dos CIDs aplica spans) */
#editor .highlight{
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
  border-radius: 6px;
  padding: 0 .2ch;
  font-weight: 600;
  color: #1e3a8a; /* indigo-900 */
}

/* ---------- Botão principal ---------- */
#analyzeButton{
  background: linear-gradient(135deg, var(--accent-purple) 0%, var(--brand-secondary) 100%);
  border: none; border-radius: 12px;
  color: #fff; font-weight: 700;
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-medium);
  transition: box-shadow .25s ease, filter .25s ease;
}
#analyzeButton:hover{
  box-shadow: 0 12px 30px rgba(102,126,234,.35);
  filter: brightness(1.02);
}

/* ---------- Área de Upload ---------- */
#upload-area label{
  border: 3px dashed #d1d5db;
  border-radius: 16px;
  background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
  position: relative; overflow: hidden;
}
#upload-area label::before{
  content:'';
  position:absolute; inset:0;
  background: linear-gradient(135deg, rgba(102,126,234,.06), rgba(240,147,251,.06));
  opacity:0; transition: opacity .25s ease;
}
#upload-area label:hover{
  border-color: var(--accent-purple);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}
#upload-area label:hover::before{ opacity:1; }

/* ---------- Loader ---------- */
.loader{
  width: 3rem; height: 3rem;
  border: 4px solid rgba(102,126,234,.12);
  border-top-color: var(--accent-purple);
  border-radius: 50%;
  animation: spinner 1.2s linear infinite;
  box-shadow: 0 0 16px rgba(102,126,234,.25);
}
@keyframes spinner{ to{ transform: rotate(360deg); } }

/* ---------- Lista de CIDs & Botões de Validação ---------- */
#result-content{
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border-radius: 16px;
  padding: 24px;
  border: 1px solid rgba(102,126,234,.10);
  box-shadow: var(--shadow-light);
}

#cid-list li{
  background: #fff;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
  position: relative; overflow: hidden;
  padding: 1rem;
}
#cid-list li::before{
  content:'';
  position:absolute; top:0; left:0; width:4px; height:100%;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
  transform: scaleY(0); transform-origin: top;
  transition: transform .25s ease;
}
#cid-list li:hover{
  transform: translateX(6px);
  box-shadow: var(--shadow-medium);
  border-color: var(--accent-purple);
}
#cid-list li:hover::before{ transform: scaleY(1); }

.validation-btn{
  background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
  border: 2px solid #e2e8f0;
  color: var(--text-secondary);
  border-radius: 8px;
  padding: 8px 14px;
  font-weight: 600;
  transition: box-shadow .2s ease, filter .2s ease;
}
.validation-btn:hover:not(:disabled){
  box-shadow: 0 8px 18px rgba(2,6,23,.08);
  filter: brightness(1.02);
}
.validation-btn.correct{
  background: linear-gradient(135deg, #dcfce7, #bbf7d0);
  border-color:#86efac; color:#166534;
}
.validation-btn.incorrect{
  background: linear-gradient(135deg, #fee2e2, #fecaca);
  border-color:#fca5a5; color:#991b1b;
}
.validation-btn:disabled{ opacity:.65; cursor:not-allowed; }

/* ---------- Mensagem de Erro ---------- */
#error-message{
  background: linear-gradient(135deg, #fee2e2, #fecaca);
  color: var(--accent-red);
  border: 2px solid #fca5a5;
  border-radius: 12px;
  padding: 16px;
  font-weight: 600;
  box-shadow: var(--shadow-light);
}

/* ---------- Dashboard (Estático / Falso) ---------- */
.dashboard-container{
  background: #fff;
  border-radius: 20px;
  padding: 32px;
  box-shadow: var(--shadow-light);
  margin-top: 24px;
}

.metrics-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(240px,1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.metric-card{
  background: linear-gradient(135deg, #fff 0%, #f8fafc 100%);
  border-radius: 16px;
  padding: 20px;
  border: 1px solid #e2e8f0;
  transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.metric-card:hover{
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
  border-color: var(--accent-purple);
}

.metric-value{
  font-size: 2.25rem; font-weight: 800;
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 6px;
}
.metric-label{ color: var(--text-secondary); font-weight: 600; }

.chart-container{
  background:#fff; border-radius:16px; padding:24px;
  border:1px solid #e2e8f0; box-shadow: var(--shadow-light);
}

/* ---------- Tabelas ---------- */
.table-container{
  background:#fff; border-radius:16px; overflow:hidden;
  border:1px solid #e2e8f0; box-shadow: var(--shadow-light);
}
.table-container table{ width:100%; border-collapse: collapse; }
.table-container th{
  background: linear-gradient(135deg, #f8fafc, #f1f5f9);
  color: var(--text-secondary);
  font-weight: 700; font-size:.85rem;
  text-transform: uppercase; letter-spacing:.05em;
  padding: 14px; text-align:left; border-bottom: 2px solid #e2e8f0;
}
.table-container td{
  padding: 14px; border-bottom: 1px solid #f1f5f9;
  transition: background-color .15s ease;
}
.table-container tbody tr:hover{ background: #f8fafc; }
.table-container tbody tr:last-child td{ border-bottom:none; }

/* ---------- Progress Bar ---------- */
.progress-bar{
  background:#e0e7ff; border-radius:8px; height:8px;
  overflow:hidden; position:relative;
}
.progress-fill{
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-pink));
  height:100%; border-radius:8px;
  transition: width .6s ease;
}

/* ---------- Filtros ---------- */
.filters-section{
  background: linear-gradient(135deg, #fff 0%, #f8fafc 100%);
  border-radius:16px; padding:20px; margin-bottom: 20px;
  border:1px solid #e2e8f0; box-shadow: var(--shadow-light);
  display:flex; gap: 16px; flex-wrap: wrap;
}
.filter-group{ flex:1; min-width: 220px; }
.filter-group label{
  display:block; font-weight:700; color: var(--text-primary); margin-bottom:8px;
}
.filter-group select{
  width:100%; padding:12px 14px;
  border:2px solid #e2e8f0; border-radius:8px; background:#fff; color:var(--text-primary);
  transition: border-color .2s ease, box-shadow .2s ease;
  font: 600 0.95rem/1 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
.filter-group select:focus{
  outline: none;
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 4px rgba(102,126,234,.12);
}

/* ---------- Modal PDF ---------- */
.modal{
  position: fixed; inset: 0;
  background: rgba(0,0,0,.7);
  display:flex; align-items:center; justify-content:center;
  z-index: 1000;
  backdrop-filter: blur(5px);
}
.modal-content{
  background:#fff; border-radius:20px;
  width: 90%; max-width: 800px; max-height: 90vh;
  display:flex; flex-direction:column; overflow:hidden;
  box-shadow: var(--shadow-heavy);
}
.modal-header{
  padding: 20px; border-bottom: 1px solid #e2e8f0;
  display:flex; align-items:center; justify-content:space-between;
  background: linear-gradient(135deg, #f8fafc, #f1f5f9);
}
.modal-header h3{ font-size: 1.1rem; font-weight: 800; color: var(--text-primary); }
.close-modal{
  background:none; border:none; font-size:1.25rem; cursor:pointer;
  color: var(--text-secondary); border-radius: 8px; padding: 6px;
  transition: background .15s ease, color .15s ease;
}
.close-modal:hover{ background:#eef2ff; color: var(--text-primary); }
.modal-body{
  padding: 20px; flex:1; overflow:auto;
  display:flex; flex-direction:column; align-items:center;
}
.pdf-controls{
  display:flex; align-items:center; gap:12px; margin-top: 12px;
  padding: 12px; background:#f8fafc; border-radius: 12px;
}
.pdf-controls button{
  background: linear-gradient(135deg, var(--accent-purple), var(--brand-secondary));
  color:#fff; border:none; border-radius:8px; padding: 8px 12px;
  font-weight:700; cursor:pointer;
  transition: box-shadow .2s ease, filter .2s ease;
}
.pdf-controls button:hover{ box-shadow: var(--shadow-light); filter: brightness(1.03); }
.pdf-controls button:disabled{ background:#cbd5e0; cursor:not-allowed; }
.pdf-controls span{
  font-weight:800; color: var(--text-primary);
  padding: 8px 12px; background:#fff; border-radius:8px; border:1px solid #e2e8f0;
}

/* ---------- Utilidades ---------- */
.hidden{ display:none !important; }

.fade-in{ animation: fadeIn .35s ease both; }
@keyframes fadeIn{ from{ opacity:0 } to{ opacity:1 } }

.slide-up{ animation: slideUp .35s ease both; }
@keyframes slideUp{ from{ opacity:0; transform: translateY(8px) } to{ opacity:1; transform:none } }

/* ---------- Responsivo ---------- */
@media (max-width: 768px){
  .main-card{ margin: 16px; border-radius: 16px; }
  .metrics-grid{ grid-template-columns: 1fr; gap:16px; }
  .filters-section{ flex-direction: column; gap: 12px; }
  .filter-group{ min-width: auto; }
  #cid-list li{ padding: 14px; }
  .validation-btn{ padding: 6px 10px; font-size: .9rem; }
}