/* Form Container */
.widget-form {
  background-color: var(--color-background-secondary);
  border: 1px solid var(--color-border-primary);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 20px var(--color-shadow-light);
  max-width: 600px;
  margin: 0 auto;
}

.widget-form-header {
  text-align: center;
  margin-bottom: 2rem;
}

.widget-form-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

.widget-form-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* Form Group */
.widget-form-group {
  margin-bottom: 1.5rem;
}

.widget-form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

/* Form Label */
.widget-form-label {
  display: block;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
  text-align: left;
}

.widget-form-label.required::after {
  content: " *";
  color: var(--color-error);
  font-weight: var(--font-weight-bold);
}

/* Form Input */
.widget-form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--font-size-base);
  font-family: var(--font-family-primary);
  background-color: var(--color-input-background);
  border: 1px solid var(--color-input-border);
  border-radius: 8px;
  color: var(--color-input-text);
  transition: all 0.3s ease;
  min-height: 44px;
  box-sizing: border-box;
}

.widget-form-input::placeholder {
  color: var(--color-input-placeholder);
}

.widget-form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: var(--color-input-focus);
  box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.1);
}

.widget-form-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background-color: var(--color-background-tertiary);
}

/* Form Textarea */
.widget-form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--font-size-base);
  font-family: var(--font-family-primary);
  background-color: var(--color-input-background);
  border: 1px solid var(--color-input-border);
  border-radius: 8px;
  color: var(--color-input-text);
  transition: all 0.3s ease;
  min-height: 120px;
  resize: vertical;
  box-sizing: border-box;
  line-height: var(--line-height-relaxed);
}

.widget-form-textarea::placeholder {
  color: var(--color-input-placeholder);
}

.widget-form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: var(--color-input-focus);
  box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.1);
}

/* Form Select */
.widget-form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--font-size-base);
  font-family: var(--font-family-primary);
  background-color: var(--color-input-background);
  border: 1px solid var(--color-input-border);
  border-radius: 8px;
  color: var(--color-input-text);
  transition: all 0.3s ease;
  min-height: 44px;
  cursor: pointer;
  box-sizing: border-box;
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23999' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.75rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

.widget-form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: var(--color-input-focus);
  box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.1);
}

.widget-form-select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background-color: var(--color-background-tertiary);
}

/* Form Checkbox */
.widget-form-checkbox-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.widget-form-checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.widget-form-checkbox-label {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  cursor: pointer;
  user-select: none;
}

/* Form Radio */
.widget-form-radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.widget-form-radio-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.widget-form-radio {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.widget-form-radio-label {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  cursor: pointer;
  user-select: none;
}

/* Form Error */
.widget-form-error {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.widget-form-error::before {
  content: "⚠";
  font-size: var(--font-size-xs);
}

.widget-form-input.error,
.widget-form-textarea.error,
.widget-form-select.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

/* Form Success */
.widget-form-success {
  color: var(--color-success);
  font-size: var(--font-size-sm);
  margin-top: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.widget-form-success::before {
  content: "✓";
  font-size: var(--font-size-xs);
}

/* Form Help Text */
.widget-form-help {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-top: 0.25rem;
  line-height: var(--line-height-relaxed);
}

/* Form Actions */
.widget-form-actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border-primary);
}

.widget-form-actions-center {
  justify-content: center;
}

.widget-form-actions-left {
  justify-content: flex-start;
}

.widget-form-actions-stretch {
  justify-content: stretch;
}

.widget-form-actions-stretch .widget-button {
  flex: 1;
}

/* Form Loading */
.widget-form-loading {
  position: relative;
  pointer-events: none;
}

.widget-form-loading::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.widget-form-loading::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2rem;
  height: 2rem;
  margin: -1rem 0 0 -1rem;
  border: 3px solid var(--color-border-primary);
  border-radius: 50%;
  border-top-color: var(--color-primary);
  animation: form-spin 1s linear infinite;
  z-index: 11;
}

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

/* Form Validation */
.widget-form-validating .widget-form-input,
.widget-form-validating .widget-form-textarea,
.widget-form-validating .widget-form-select {
  border-color: var(--color-warning);
}

/* Responsive Forms */
@media (max-width: 768px) {
  .widget-form {
    padding: 1.5rem;
    margin: 0 1rem;
  }

  .widget-form-title {
    font-size: var(--font-size-xl);
  }

  .widget-form-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .widget-form-actions {
    flex-direction: column;
    gap: 0.75rem;
  }

  .widget-form-actions-stretch .widget-button {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .widget-form {
    padding: 1rem;
    margin: 0 0.5rem;
  }

  .widget-form-title {
    font-size: var(--font-size-lg);
  }

  .widget-form-subtitle {
    font-size: var(--font-size-sm);
  }

  .widget-form-input,
  .widget-form-textarea,
  .widget-form-select {
    font-size: var(--font-size-sm);
    padding: 0.6rem 0.8rem;
  }

  .widget-form-label {
    font-size: var(--font-size-sm);
  }

  .widget-form-error,
  .widget-form-success,
  .widget-form-help {
    font-size: var(--font-size-xs);
  }
}