/**
 * Modal System Styles
 * Best Practices: Accessibility, Keyboard Navigation, Focus Management
 */

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  overflow-y: auto;
  animation: fadeIn 0.2s ease;
}

.modal-overlay[aria-hidden="false"] {
  display: flex;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Modal Content */
.modal-content {
  background: var(--bg-elevated);
  border: 4px solid var(--border-primary);
  box-shadow: 12px 12px 0 rgba(0, 0, 0, 0.4);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  animation: slideUp 0.3s ease;
  position: relative;
}

.modal-content:focus {
  outline: none;
}

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

/* Modal Sizes */
.modal-content.modal-small {
  max-width: 400px;
}

.modal-content.modal-medium {
  max-width: 600px;
}

.modal-content.modal-large {
  max-width: 800px;
}

/* Modal Header */
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  background: var(--accent-blue);
  border-bottom: 4px solid var(--border-primary);
}

.modal-title {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--bg-primary);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--bg-primary);
  font-size: 1.5rem;
  font-weight: 700;
  cursor: pointer;
  padding: var(--space-xs);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
  border-radius: var(--radius-sm);
}

.modal-close-btn:hover {
  transform: rotate(90deg);
  background: rgba(0, 0, 0, 0.1);
}

.modal-close-btn:focus {
  outline: 3px solid var(--bg-primary);
  outline-offset: 2px;
}

/* Modal Body */
.modal-body {
  padding: var(--space-xl);
  overflow-y: auto;
  flex: 1;
}

/* Modal Footer */
.modal-footer {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-top: 3px solid var(--border-primary);
  background: var(--bg-secondary);
  justify-content: flex-end;
}

/* Form Styles */
.project-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.input-field,
.textarea-field,
.select-field {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 3px solid var(--border-primary);
  box-shadow: inset 2px 2px 0 rgba(0, 0, 0, 0.2);
  transition: all 0.2s ease;
  box-sizing: border-box;
}

.input-field:focus,
.textarea-field:focus,
.select-field:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: inset 2px 2px 0 rgba(0, 0, 0, 0.2), 0 0 0 3px rgba(163, 230, 53, 0.2);
}

.input-field.error,
.textarea-field.error,
.select-field.error {
  border-color: #ef4444;
  box-shadow: inset 2px 2px 0 rgba(0, 0, 0, 0.2), 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.textarea-field {
  resize: vertical;
  min-height: 100px;
  font-family: var(--font-mono);
}

.select-field {
  cursor: pointer;
}

.form-hint {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-tertiary);
  margin-top: var(--space-xs);
}

.field-error {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #ef4444;
  margin-top: var(--space-xs);
  padding: var(--space-xs);
  background: rgba(239, 68, 68, 0.1);
  border-left: 3px solid #ef4444;
}

/* Modal Buttons */
.btn-modal {
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 3px solid var(--border-primary);
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.2);
}

.btn-modal:hover:not(:disabled) {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.3);
}

.btn-modal:active:not(:disabled) {
  transform: translate(0, 0);
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.2);
}

.btn-modal:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-modal.btn-primary {
  background: var(--accent-blue);
  color: var(--bg-primary);
  border-color: var(--accent-blue);
}

[data-theme="dark"] .btn-modal.btn-primary {
  color: #ffffff;
}

.btn-modal.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-primary);
}

.btn-modal.btn-secondary:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

/* Responsive */
@media (max-width: 640px) {
  .modal-content {
    max-width: 100%;
    margin: var(--space-md);
  }

  .modal-header,
  .modal-body,
  .modal-footer {
    padding: var(--space-md);
  }

  .modal-footer {
    flex-direction: column-reverse;
  }

  .btn-modal {
    width: 100%;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .modal-overlay,
  .modal-content,
  .modal-close-btn {
    animation: none;
    transition: none;
  }
}

/* Focus Visible */
.modal-content:focus-visible {
  outline: 3px solid var(--accent-blue);
  outline-offset: 2px;
}