:root {
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border-color: #334155;
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

html, body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  margin: 0;
  min-height: 100vh;
}

body {
  display: flex;
  justify-content: center;
  padding: 2rem;
  box-sizing: border-box;
}

#app {
  width: 100%;
  max-width: 900px;
}

.container {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

header.page-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.page-header h1 {
  font-size: 2.25rem;
  font-weight: 700;
  margin: 0;
  background: linear-gradient(to right, #818cf8, #c4b5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.025em;
}

p.subtitle {
  color: var(--text-muted);
  margin-top: 0.5rem;
  font-size: 1rem;
}

.mock-btn {
  margin-top: 1rem;
  background: rgba(99, 102, 241, 0.2);
  border: 1px solid var(--primary);
  color: var(--primary);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.mock-btn:hover {
  background: rgba(99, 102, 241, 0.35);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.field-group {
  display: flex;
  flex-direction: column;
}

.field-group label {
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
  transition: color 0.2s;
  display: flex;
  justify-content: space-between;
}

.field-group:focus-within label {
  color: var(--primary);
}

.field-group input,
.field-group select {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  color: var(--text-main);
  transition: all 0.2s;
  outline: none;
  font-family: inherit;
}

.field-group input:focus,
.field-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.field-group .error-msg {
  color: #ef4444;
  font-size: 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.field-group input.invalid {
  border-color: #ef4444;
}

.checkbox-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(15, 23, 42, 0.3);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: border-color 0.2s;
}

.checkbox-wrapper:hover {
  border-color: var(--text-muted);
}

.checkbox-wrapper input {
  display: none;
}

.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  background-color: var(--border-color);
  border-radius: 9999px;
  transition: background-color 0.2s;
}

.checkbox-wrapper input:checked + .toggle-switch {
  background-color: var(--primary);
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  background-color: white;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  transition: transform 0.2s;
}

.checkbox-wrapper input:checked + .toggle-switch::after {
  transform: translateX(20px);
}

.checkbox-label {
  font-size: 0.95rem;
  font-weight: 500;
}

.actions {
  margin-top: 2.5rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
}

button.primary-btn {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: white;
  border: none;
  border-radius: 12px;
  padding: 1rem 3rem;
  font-size: 1.125rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 6px -1px rgba(99, 102, 241, 0.4);
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  justify-content: center;
}

button.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.5);
}

button.primary-btn:active {
  transform: translateY(0);
}

button.primary-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.hash-display {
  margin-top: 2rem;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  font-family: monospace;
  font-size: 0.85rem;
  color: var(--text-muted);
  word-break: break-all;
  border: 1px solid var(--border-color);
}

.section-title {
  grid-column: 1 / -1;
  font-size: 1rem;
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: 1rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.blazor-error-boundary {
  background: #b32121;
  padding: 1rem;
  color: white;
  border-radius: 8px;
}
.blazor-error-boundary::after {
  content: "Ocorreu um erro.";
}

/* Toast de erro global do Blazor — fica invisível até o runtime acioná-lo */
#blazor-error-ui {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 0.6rem 1.25rem 0.7rem 1.25rem;
  background: #fef3c7;
  color: #92400e;
  box-shadow: 0 -1px 4px rgba(0,0,0,0.25);
  z-index: 1000;
}
#blazor-error-ui .dismiss {
  cursor: pointer;
  position: absolute;
  right: 1rem;
  top: 0.5rem;
}