/* Form Components - ROA2WEB */

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

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

.form-row {
  display: flex;
  gap: var(--space-md);
  align-items: end;
}

.form-col {
  flex: 1;
}

/* Labels */
.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.form-label.required::after {
  content: ' *';
  color: var(--color-error);
}

/* Input Base Styles */
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  transition: all var(--transition-fast);
  min-height: 44px;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  background: var(--color-bg-muted);
  color: var(--color-text-muted);
  cursor: not-allowed;
  opacity: 0.6;
}

/* Input Variants */
.form-input-sm {
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-sm);
  min-height: 36px;
}

.form-input-lg {
  padding: var(--space-md) var(--space-lg);
  font-size: var(--text-lg);
  min-height: 52px;
}

/* Textarea */
.form-textarea {
  resize: vertical;
  min-height: 100px;
  line-height: var(--leading-normal);
}

.form-textarea-sm {
  min-height: 80px;
}

.form-textarea-lg {
  min-height: 120px;
}

/* Select */
.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
  background-position: right var(--space-sm) center;
  background-repeat: no-repeat;
  background-size: 16px 16px;
  padding-right: var(--space-xl);
  appearance: none;
}

/* Input Groups */
.input-group {
  display: flex;
  align-items: stretch;
  width: 100%;
}

.input-group .form-input {
  border-radius: 0;
  border-right: none;
}

.input-group .form-input:first-child {
  border-top-left-radius: var(--radius-md);
  border-bottom-left-radius: var(--radius-md);
}

.input-group .form-input:last-child {
  border-top-right-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
  border-right: 1px solid var(--color-border);
}

.input-group-addon {
  display: flex;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  white-space: nowrap;
}

.input-group-addon:first-child {
  border-top-left-radius: var(--radius-md);
  border-bottom-left-radius: var(--radius-md);
  border-right: none;
}

.input-group-addon:last-child {
  border-top-right-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
  border-left: none;
}

/* Floating Labels */
.form-floating {
  position: relative;
}

.form-floating .form-input,
.form-floating .form-textarea {
  padding-top: var(--space-lg);
  padding-bottom: var(--space-xs);
}

.form-floating .form-label {
  position: absolute;
  top: 0;
  left: var(--space-md);
  padding: var(--space-sm) var(--space-xs);
  background: var(--color-bg);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
  pointer-events: none;
  transform-origin: left center;
  z-index: 1;
}

.form-floating .form-input:focus + .form-label,
.form-floating .form-input:not(:placeholder-shown) + .form-label,
.form-floating .form-textarea:focus + .form-label,
.form-floating .form-textarea:not(:placeholder-shown) + .form-label {
  transform: translateY(-50%) scale(0.85);
  color: var(--color-primary);
}

/* Validation States */
.form-input.valid,
.form-select.valid,
.form-textarea.valid {
  border-color: var(--color-success);
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%2316a34a' viewBox='0 0 16 16'%3E%3Cpath d='M12.736 3.97a.733.733 0 0 1 1.047 0c.286.289.29.756.01 1.05L7.88 12.01a.733.733 0 0 1-1.065.02L3.217 8.384a.757.757 0 0 1 0-1.06.733.733 0 0 1 1.047 0l3.052 3.093 5.4-6.425a.247.247 0 0 1 .02-.022Z'/%3E%3C/svg%3E");
  background-position: right var(--space-sm) center;
  background-repeat: no-repeat;
  background-size: 16px 16px;
}

.form-input.invalid,
.form-select.invalid,
.form-textarea.invalid {
  border-color: var(--color-error);
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23dc2626' viewBox='0 0 16 16'%3E%3Cpath d='M4.646 4.646a.5.5 0 0 1 .708 0L8 7.293l2.646-2.647a.5.5 0 0 1 .708.708L8.707 8l2.647 2.646a.5.5 0 0 1-.708.708L8 8.707l-2.646 2.647a.5.5 0 0 1-.708-.708L7.293 8 4.646 5.354a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  background-position: right var(--space-sm) center;
  background-repeat: no-repeat;
  background-size: 16px 16px;
}

/* Select with validation needs different padding */
.form-select.valid,
.form-select.invalid {
  padding-right: calc(var(--space-xl) + var(--space-lg));
}

/* Help Text */
.form-help {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

.form-error {
  font-size: var(--text-sm);
  color: var(--color-error);
  margin-top: var(--space-xs);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.form-success {
  font-size: var(--text-sm);
  color: var(--color-success);
  margin-top: var(--space-xs);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

/* Checkboxes and Radios */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.form-check-input {
  width: 18px;
  height: 18px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.form-check-input[type="checkbox"] {
  border-radius: var(--radius-sm);
}

.form-check-input[type="radio"] {
  border-radius: 50%;
}

.form-check-input:checked {
  background: var(--color-primary);
  border-color: var(--color-primary);
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23ffffff' viewBox='0 0 16 16'%3E%3Cpath d='M12.736 3.97a.733.733 0 0 1 1.047 0c.286.289.29.756.01 1.05L7.88 12.01a.733.733 0 0 1-1.065.02L3.217 8.384a.757.757 0 0 1 0-1.06.733.733 0 0 1 1.047 0l3.052 3.093 5.4-6.425a.247.247 0 0 1 .02-.022Z'/%3E%3C/svg%3E");
  background-position: center;
  background-repeat: no-repeat;
  background-size: 12px 12px;
}

.form-check-input[type="radio"]:checked {
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23ffffff' viewBox='0 0 16 16'%3E%3Ccircle cx='8' cy='8' r='4'/%3E%3C/svg%3E");
  background-size: 8px 8px;
}

.form-check-input:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-check-label {
  font-size: var(--text-sm);
  color: var(--color-text);
  cursor: pointer;
  user-select: none;
}

/* Form Actions */
.form-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: flex-end;
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

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

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

.form-actions-between {
  justify-content: space-between;
}

/* Search Form */
.search-form {
  display: flex;
  gap: var(--space-sm);
  align-items: end;
  margin-bottom: var(--space-lg);
}

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

.search-input .form-input {
  padding-right: var(--space-3xl);
}

.search-icon {
  position: absolute;
  right: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  pointer-events: none;
}

/* Inline Forms */
.form-inline {
  display: flex;
  gap: var(--space-md);
  align-items: end;
  flex-wrap: wrap;
}

.form-inline .form-group {
  flex: 1;
  min-width: 150px;
}

/* File Upload */
.file-upload {
  position: relative;
  display: inline-block;
  cursor: pointer;
  width: 100%;
}

.file-upload-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.file-upload-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 120px;
  text-align: center;
}

.file-upload:hover .file-upload-label,
.file-upload-label.drag-over {
  border-color: var(--color-primary);
  background: rgba(37, 99, 235, 0.05);
  color: var(--color-primary);
}

/* Mobile Form Styles */
@media (max-width: 768px) {
  .form-row {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .form-inline {
    flex-direction: column;
    align-items: stretch;
  }
  
  .form-inline .form-group {
    min-width: auto;
  }
  
  .form-actions {
    flex-direction: column;
  }
  
  .form-actions-between {
    justify-content: center;
    flex-direction: column-reverse;
  }
  
  .search-form {
    flex-direction: column;
  }
  
  /* Ensure mobile-friendly touch targets */
  .form-input,
  .form-select,
  .form-textarea {
    min-height: 44px;
    font-size: 16px; /* Prevents zoom on iOS */
  }
  
  .form-check-input {
    width: 20px;
    height: 20px;
    min-height: 20px;
  }
}

/* Print Styles */
@media print {
  .form-actions {
    display: none;
  }
  
  .form-input,
  .form-select,
  .form-textarea {
    border: none;
    border-bottom: 1px solid #000;
    border-radius: 0;
    background: transparent;
    padding: var(--space-xs) 0;
  }
  
  .form-label {
    font-weight: bold;
  }
}