/*
 * VALIDATION SYSTEM CSS - APPLE-LEVEL FEEDBACK
 * Sistema completo de validação com feedback visual premium
 */

/* Form validation states */
.field-valid {
  border-color: #10b981 !important;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), transparent) !important;
}

.field-valid:focus {
  border-color: #10b981 !important;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1) !important;
  ring-color: rgba(16, 185, 129, 0.2) !important;
}

.field-error {
  border-color: #ef4444 !important;
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.05), transparent) !important;
  animation: field-error-shake 0.5s ease-in-out;
}

.field-error:focus {
  border-color: #ef4444 !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
  ring-color: rgba(239, 68, 68, 0.2) !important;
}

.field-warning {
  border-color: #f59e0b !important;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.05), transparent) !important;
}

.field-warning:focus {
  border-color: #f59e0b !important;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1) !important;
  ring-color: rgba(245, 158, 11, 0.2) !important;
}

@keyframes field-error-shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-2px); }
  20%, 40%, 60%, 80% { transform: translateX(2px); }
}

/* Error message styles */
.validation-error {
  color: #ef4444;
  font-size: 12px;
  font-weight: 500;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
  opacity: 0;
  animation: error-fade-in 0.3s ease forwards;
}

.validation-error::before {
  content: '⚠️';
  font-size: 14px;
  line-height: 1;
}

.validation-warning {
  color: #f59e0b;
  font-size: 12px;
  font-weight: 500;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
  opacity: 0;
  animation: warning-fade-in 0.3s ease forwards;
}

.validation-warning::before {
  content: '⚠️';
  font-size: 14px;
  line-height: 1;
  filter: hue-rotate(45deg);
}

.validation-success {
  color: #10b981;
  font-size: 12px;
  font-weight: 500;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
  opacity: 0;
  animation: success-fade-in 0.3s ease forwards;
}

.validation-success::before {
  content: '✅';
  font-size: 14px;
  line-height: 1;
}

@keyframes error-fade-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes warning-fade-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 0.8;
    transform: translateY(0);
  }
}

@keyframes success-fade-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 0.7;
    transform: translateY(0);
  }
}

/* Form container validation states */
.form-container.has-errors {
  border: 1px solid rgba(239, 68, 68, 0.2);
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.02), transparent);
}

.form-container.has-warnings {
  border: 1px solid rgba(245, 158, 11, 0.2);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.02), transparent);
}

.form-container.is-valid {
  border: 1px solid rgba(16, 185, 129, 0.2);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.02), transparent);
}

/* Character count feedback */
.char-count {
  font-size: 11px;
  color: #6b7280;
  text-align: right;
  margin-top: 2px;
  transition: color 0.2s ease;
}

.char-count.warning {
  color: #f59e0b;
  font-weight: 500;
}

.char-count.error {
  color: #ef4444;
  font-weight: 600;
}

/* Strength indicators for complex fields */
.field-strength {
  height: 3px;
  margin-top: 4px;
  border-radius: 2px;
  overflow: hidden;
  background: #e5e7eb;
}

.field-strength-bar {
  height: 100%;
  transition: all 0.3s ease;
  border-radius: 2px;
}

.field-strength.weak .field-strength-bar {
  width: 25%;
  background: #ef4444;
}

.field-strength.fair .field-strength-bar {
  width: 50%;
  background: #f59e0b;
}

.field-strength.good .field-strength-bar {
  width: 75%;
  background: #3b82f6;
}

.field-strength.strong .field-strength-bar {
  width: 100%;
  background: #10b981;
}

/* Required field indicators */
.field-required::after {
  content: '*';
  color: #ef4444;
  margin-left: 4px;
  font-weight: 600;
}

/* Form section validation states */
.form-section.has-errors {
  border-left: 3px solid #ef4444;
  padding-left: 12px;
  background: linear-gradient(90deg, rgba(239, 68, 68, 0.05), transparent);
}

.form-section.has-warnings {
  border-left: 3px solid #f59e0b;
  padding-left: 12px;
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.05), transparent);
}

/* Validation summary */
.validation-summary {
  padding: 12px 16px;
  border-radius: 12px;
  margin-bottom: 16px;
  font-size: 13px;
  line-height: 1.4;
}

.validation-summary.errors {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(239, 68, 68, 0.05));
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #b91c1c;
}

.validation-summary.warnings {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(245, 158, 11, 0.05));
  border: 1px solid rgba(245, 158, 11, 0.2);
  color: #d97706;
}

.validation-summary.success {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(16, 185, 129, 0.05));
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: #047857;
}

.validation-summary-title {
  font-weight: 600;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.validation-summary-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.validation-summary-list li {
  margin-bottom: 4px;
  padding-left: 16px;
  position: relative;
}

.validation-summary-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: currentColor;
}

/* Loading states during validation */
.field-validating {
  position: relative;
}

.field-validating::after {
  content: '';
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  border: 2px solid #e5e7eb;
  border-top: 2px solid #3b82f6;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: translateY(-50%) rotate(0deg); }
  100% { transform: translateY(-50%) rotate(360deg); }
}

/* Submit button states */
button[type="submit"] {
  transition: all 0.3s ease;
}

button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

button[type="submit"].btn-error {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  border-color: #dc2626;
  animation: button-error-pulse 0.6s ease;
}

button[type="submit"].btn-success {
  background: linear-gradient(135deg, #10b981, #059669);
  border-color: #059669;
  animation: button-success-pulse 0.6s ease;
}

@keyframes button-error-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes button-success-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* Tooltip-style validation messages */
.validation-tooltip {
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(17, 24, 39, 0.95);
  color: #f9fafb;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s ease;
}

.validation-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: rgba(17, 24, 39, 0.95);
}

.field-error:focus + .validation-tooltip,
.field-warning:focus + .validation-tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(-4px);
}

/* Mobile optimizations */
@media (max-width: 768px) {
  .validation-error,
  .validation-warning,
  .validation-success {
    font-size: 11px;
  }

  .validation-summary {
    padding: 10px 12px;
    font-size: 12px;
  }

  .char-count {
    font-size: 10px;
  }

  .validation-tooltip {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    margin-top: 4px;
    border-radius: 6px;
    opacity: 1;
  }

  .validation-tooltip::after {
    display: none;
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  .field-valid {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), transparent) !important;
  }

  .field-error {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), transparent) !important;
  }

  .field-warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), transparent) !important;
  }

  .validation-error {
    color: #fca5a5;
  }

  .validation-warning {
    color: #fbbf24;
  }

  .validation-success {
    color: #6ee7b7;
  }

  .char-count {
    color: #9ca3af;
  }

  .char-count.warning {
    color: #fbbf24;
  }

  .char-count.error {
    color: #fca5a5;
  }

  .validation-summary.errors {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(239, 68, 68, 0.1));
    border-color: rgba(239, 68, 68, 0.3);
    color: #fca5a5;
  }

  .validation-summary.warnings {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(245, 158, 11, 0.1));
    border-color: rgba(245, 158, 11, 0.3);
    color: #fbbf24;
  }

  .validation-summary.success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(16, 185, 129, 0.1));
    border-color: rgba(16, 185, 129, 0.3);
    color: #6ee7b7;
  }

  .form-container.has-errors {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.05), transparent);
  }

  .form-container.has-warnings {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.05), transparent);
  }

  .form-container.is-valid {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), transparent);
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .field-error {
    border-color: #000 !important;
    background: #ffeeee !important;
  }

  .field-warning {
    border-color: #cc6600 !important;
    background: #fff8ee !important;
  }

  .field-valid {
    border-color: #006600 !important;
    background: #eeffee !important;
  }

  .validation-error {
    color: #cc0000;
    font-weight: 700;
  }

  .validation-warning {
    color: #cc6600;
    font-weight: 700;
  }

  .validation-success {
    color: #006600;
    font-weight: 700;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .field-error,
  .validation-error,
  .validation-warning,
  .validation-success,
  .validation-tooltip,
  button[type="submit"],
  .field-strength-bar {
    animation: none !important;
    transition: none !important;
  }

  .field-error {
    transform: none !important;
  }
}

/* Print styles */
@media print {
  .validation-error,
  .validation-warning,
  .validation-tooltip,
  .field-strength,
  .validation-summary {
    display: none !important;
  }

  .field-error,
  .field-warning,
  .field-valid {
    border-color: #000 !important;
    background: #fff !important;
  }
}