/* ==========================================================================
   CENTRAL DE SOLUÇÕES (TIRA DÚVIDA) — DESIGN SYSTEM (DARK GLASSMORPHISM)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --bg-dark: #0b0f17;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(31, 41, 55, 0.85);
  --bg-input: rgba(15, 23, 42, 0.6);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 255, 255, 0.18);
  
  --primary-emerald: #10b981;
  --primary-cyan: #06b6d4;
  --grad-primary: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-glow: 0 0 25px rgba(16, 185, 129, 0.15);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --backdrop: blur(16px);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(16, 185, 129, 0.07) 0%, transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(6, 182, 212, 0.07) 0%, transparent 45%);
  background-attachment: fixed;
  color: var(--text-main);
  min-height: 100vh;
  padding-bottom: 60px;
  -webkit-font-smoothing: antialiased;
}

.app-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px;
}

/* Header */
.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  padding: 14px 24px;
  background: var(--bg-card);
  backdrop-filter: var(--backdrop);
  -webkit-backdrop-filter: var(--backdrop);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: var(--shadow-glow);
}

.brand-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-color-hover);
  transform: translateY(-1px);
}

/* Toolbar & Search Header */
.topo {
  display: flex;
  gap: 14px;
  margin-bottom: 24px;
  align-items: center;
}

.search-box {
  position: relative;
  flex: 1;
}

.search-box input {
  width: 100%;
  padding: 12px 16px 12px 42px;
  background: var(--bg-card);
  backdrop-filter: var(--backdrop);
  -webkit-backdrop-filter: var(--backdrop);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}

.search-box input:focus {
  border-color: var(--primary-emerald);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--grad-primary);
  color: #042f2e;
  border: none;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.25);
  white-space: nowrap;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
  filter: brightness(1.1);
}

/* Grid of Solution Cards */
.lista {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.card {
  background: var(--bg-card);
  backdrop-filter: var(--backdrop);
  -webkit-backdrop-filter: var(--backdrop);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--grad-primary);
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color-hover);
  transform: translateY(-3px);
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.4;
}

.card-solucao {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  background: rgba(15, 23, 42, 0.5);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-dim);
}

.copy-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: var(--transition);
}

.copy-btn:hover {
  background: rgba(16, 185, 129, 0.15);
  color: var(--primary-emerald);
  border-color: rgba(16, 185, 129, 0.3);
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(11, 15, 23, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 100;
  padding: 20px;
  animation: fadeIn 0.25s ease-out;
}

.box {
  background: rgba(17, 24, 39, 0.95);
  border: 1px solid var(--border-color-hover);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  padding: 28px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-main);
}

.close-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 20px;
  cursor: pointer;
  transition: var(--transition);
}

.close-btn:hover {
  color: var(--text-main);
}

.form-control {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  width: 100%;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary-emerald);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.gravarResposta {
  background: var(--grad-primary);
  color: #042f2e;
  border: none;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
  margin-top: 8px;
}

.gravarResposta:hover {
  transform: translateY(-1px);
  filter: brightness(1.1);
}

/* Empty State */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 20px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px dashed var(--border-color);
  color: var(--text-muted);
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}