/* ============================================
   Input Component - Inspirado no shadcn/ui
   ============================================ */

/* ============================================
   Input Group (Container)
   ============================================ */
.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
  width: 100%;
}

.input-group--inline {
  flex-direction: row;
  align-items: center;
  gap: var(--spacing-3);
}

.input-group--inline .input-label {
  margin-bottom: 0;
  min-width: fit-content;
}

/* ============================================
   Input Label
   ============================================ */
.input-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--foreground);
  margin-bottom: var(--spacing-2);
  line-height: var(--line-height-normal);
}

.input-label--required::after {
  content: " *";
  color: var(--error-500);
}

.input-label--optional::after {
  content: " (opcional)";
  color: var(--foreground-muted);
  font-weight: var(--font-weight-normal);
}

/* ============================================
   Input Helper Text
   ============================================ */
.input-helper {
  font-size: var(--font-size-xs);
  color: var(--foreground-muted);
  margin-top: var(--spacing-1);
  line-height: var(--line-height-normal);
}

.input-helper--error {
  color: var(--error-600);
}

.input-helper--success {
  color: var(--success-600);
}

/* ============================================
   Base Input Styles
   ============================================ */
.input {
  display: flex;
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  line-height: var(--line-height-normal);
  color: var(--foreground);
  background-color: var(--card-background);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  outline: none;
  appearance: none;
}

.input::placeholder {
  color: var(--foreground-subtle);
  opacity: 1;
}

.input:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px rgba(26, 77, 94, 0.1);
  outline: none;
}

.input:disabled {
  cursor: not-allowed;
  opacity: 0.5;
  background-color: var(--neutral-100);
  color: var(--foreground-muted);
}

.input:read-only {
  background-color: var(--neutral-50);
  cursor: default;
}

/* ============================================
   Input Sizes
   ============================================ */
.input--sm {
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-base);
  height: 2rem; /* 32px */
}

.input--default {
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-base);
  height: 2.5rem; /* 40px */
}

.input--lg {
  padding: var(--spacing-4) var(--spacing-5);
  font-size: var(--font-size-lg);
  height: 3rem; /* 48px */
}

/* ============================================
   Input States - Error
   ============================================ */
.input--error {
  border-color: var(--error-500);
}

.input--error:focus {
  border-color: var(--error-600);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* ============================================
   Input States - Success
   ============================================ */
.input--success {
  border-color: var(--success-500);
}

.input--success:focus {
  border-color: var(--success-600);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* ============================================
   Input with Icon (Prefix/Suffix)
   ============================================ */
.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.input-wrapper .input {
  padding-left: var(--spacing-10);
}

.input-wrapper--suffix .input {
  padding-left: var(--spacing-4);
  padding-right: var(--spacing-10);
}

.input-wrapper--both .input {
  padding-left: var(--spacing-10);
  padding-right: var(--spacing-10);
}

.input-icon {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  color: var(--foreground-muted);
  pointer-events: none;
  z-index: 1;
}

.input-icon--prefix {
  left: var(--spacing-4);
}

.input-icon--suffix {
  right: var(--spacing-4);
}

.input-wrapper--error .input-icon {
  color: var(--error-500);
}

.input-wrapper--success .input-icon {
  color: var(--success-500);
}

/* ============================================
   Input with Button (Suffix Action)
   ============================================ */
.input-action {
  position: absolute;
  right: var(--spacing-2);
  display: flex;
  align-items: center;
  z-index: 1;
}

.input-action button {
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--font-size-xs);
}

/* ============================================
   Textarea
   ============================================ */
.input--textarea {
  min-height: 120px;
  resize: vertical;
  padding: var(--spacing-3) var(--spacing-4);
  font-family: var(--font-family);
  line-height: var(--line-height-relaxed);
}

.input--textarea.input--sm {
  min-height: 80px;
  padding: var(--spacing-2) var(--spacing-3);
}

.input--textarea.input--lg {
  min-height: 160px;
  padding: var(--spacing-4) var(--spacing-5);
}

/* ============================================
   Input File
   ============================================ */
.input--file {
  padding: var(--spacing-3) var(--spacing-4);
  cursor: pointer;
  line-height: 1.5;
  vertical-align: middle;
}

.input--file::-webkit-file-upload-button {
  padding: var(--spacing-2) var(--spacing-4);
  margin-right: var(--spacing-4);
  border: none;
  border-radius: var(--radius-base);
  background-color: var(--primary-500);
  color: white;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  vertical-align: middle;
  line-height: 1.5;
  height: auto;
}

.input--file::-webkit-file-upload-button:hover {
  background-color: var(--primary-600);
}

/* ============================================
   Input Search
   ============================================ */
.input--search {
  padding-left: var(--spacing-10);
}

.input--search::placeholder {
  font-style: italic;
}

/* Search clear button (X) styling */
.input--search::-webkit-search-cancel-button {
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  height: 16px;
  width: 16px;
  background-image: url("data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 4L4 12M4 4L12 12' stroke='%236b7280' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  margin-right: var(--spacing-2);
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.input--search::-webkit-search-cancel-button:hover {
  opacity: 1;
}

.input--search::-ms-clear {
  cursor: pointer;
  color: var(--foreground-muted);
  font-size: var(--font-size-base);
  width: 16px;
  height: 16px;
  margin-right: var(--spacing-2);
}

/* ============================================
   Input Number
   ============================================ */
.input--number {
  text-align: right;
}

.input--number::-webkit-inner-spin-button,
.input--number::-webkit-outer-spin-button {
  opacity: 1;
  cursor: pointer;
}

/* ============================================
   Input Password Toggle
   ============================================ */
.input-password-toggle {
  position: absolute;
  right: var(--spacing-4);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  color: var(--foreground-muted);
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
  z-index: 1;
  transition: color var(--transition-fast);
}

.input-password-toggle:hover {
  color: var(--foreground);
}

.input-password-icon {
  width: 16px;
  height: 16px;
  display: block;
  flex-shrink: 0;
}

/* ============================================
   Input Group (Multiple Inputs)
   ============================================ */
.input-group-multiple {
  display: flex;
  gap: var(--spacing-2);
  width: 100%;
}

.input-group-multiple .input {
  flex: 1;
}

.input-group-multiple .input:first-child {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-group-multiple .input:last-child {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.input-group-multiple .input:not(:first-child):not(:last-child) {
  border-radius: 0;
}

/* ============================================
   Responsive Input
   ============================================ */
@media (max-width: 768px) {
  .input-group--inline {
    flex-direction: column;
    align-items: flex-start;
  }

  .input-group--inline .input-label {
    margin-bottom: var(--spacing-2);
  }
}