/* components/input/input.css */

/**
 * Input Component
 * Comprehensive input system with multiple variants and states
 * Full WCAG 2.2 AAA compliance
 * Integrates with Icon System from Stage 1
 */

/* ========================================
   CSS Custom Properties
   ======================================== */

:root {
  /* Input sizes */
  --input-height-xs: 1.75rem;    /* 28px */
  --input-height-s: 2rem;         /* 32px */
  --input-height-m: 2.5rem;       /* 40px - default */
  --input-height-l: 3rem;         /* 48px */
  --input-height-xl: 3.5rem;      /* 56px */
  
  --input-padding-x-xs: var(--ds-space-xs);
  --input-padding-x-s: var(--ds-space-s);
  --input-padding-x-m: var(--ds-space-m);
  --input-padding-x-l: var(--ds-space-l);
  --input-padding-x-xl: var(--ds-space-xl);
  
  --input-font-size-xs: var(--ds-font-size-xs);
  --input-font-size-s: var(--ds-font-size-s);
  --input-font-size-m: var(--ds-font-size-m);
  --input-font-size-l: var(--ds-font-size-l);
  --input-font-size-xl: var(--ds-font-size-xl);
  
  /* Input colors - default/outlined */
  --input-bg: var(--ds-color-surface);
  --input-bg-hover: var(--ds-color-surface);
  --input-bg-focus: var(--ds-color-surface);
  --input-bg-disabled: var(--ds-color-surface-lowered);
  --input-bg-readonly: var(--ds-color-surface-raised);

  --input-border-color: var(--ds-color-border);
  --input-border-color-hover: var(--ds-color-border-hover);
  --input-border-color-focus: var(--ds-color-accent);
  --input-border-color-error: var(--ds-color-status-danger);
  --input-border-color-success: var(--ds-color-status-success);
  --input-border-color-disabled: var(--ds-color-border);
  
  --input-text-color: var(--ds-color-text);
  --input-text-color-disabled: var(--ds-color-text-weakest);
  --input-text-color-placeholder: var(--ds-color-text-weaker);
  
  /* Input styles */
  --input-border-width: 1px;
  --input-border-radius: var(--ds-radius-s);
  --input-transition: all var(--ds-duration-fast) var(--ds-ease-out);
  
  /* Focus ring */
  --input-focus-ring-width: 2px;
  --input-focus-ring-color: var(--ds-color-accent);
  --input-focus-ring-offset: 2px;
  
  /* Label */
  --input-label-font-size: var(--ds-font-size-s);
  --input-label-font-weight: var(--ds-font-weight-medium);
  --input-label-color: var(--ds-color-text);
  --input-label-margin: var(--ds-space-xs);
  
  /* Icons */
  /* 1.25rem; */
  --input-icon-size: var(--icon-size-xs);
  --input-icon-color: var(--ds-color-text-weaker);
  --input-icon-stroke-width: 1;

  /* Helper text */
  --input-helper-font-size: var(--ds-font-size-xs);
  --input-helper-color: var(--ds-color-text-weak);
  --input-helper-margin: var(--ds-space-xs);
  
  /* Error text */
  --input-error-color: var(--ds-color-status-danger);
  --input-error-font-size: var(--ds-font-size-xs);

  /* Success text */
  --input-success-color: var(--ds-color-status-success);
  --input-success-font-size: var(--ds-font-size-xs);
}

/* ========================================
   Base Input Container
   ======================================== */

.c-input {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--input-label-margin);
}

/* ========================================
   Input Label
   ======================================== */

.c-input__label {
  display: flex;
  align-items: center;
  gap: var(--ds-space-xs);
  font-size: var(--input-label-font-size);
  font-weight: var(--input-label-font-weight);
  color: var(--input-label-color);
  line-height: 1.2;
}

.c-input__label--required::after {
  content: " *";
  color: var(--ds-color-status-danger);
}

.c-input__label--disabled {
  color: var(--input-text-color-disabled);
  cursor: not-allowed;
}

/* Floating label variant */
.c-input--floating-label .c-input__label {
  position: absolute;
  top: 50%;
  left: var(--input-padding-x-m);
  transform: translateY(-50%);
  transition: var(--input-transition);
  pointer-events: none;
  background: var(--input-bg);
  padding: 0 var(--ds-space-xs);
  z-index: 1;
}

.c-input--floating-label .c-input__field:focus ~ .c-input__label,
.c-input--floating-label .c-input__field:not(:placeholder-shown) ~ .c-input__label {
  top: 0;
  transform: translateY(-50%);
  font-size: var(--ds-font-size-xs);
  color: var(--input-border-color-focus);
}

/* ========================================
   Input Wrapper (for icons/addons)
   ======================================== */

.c-input__wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

/* ========================================
   Input Field Base
   ======================================== */

.c-input__field {
  width: 100%;
  height: var(--input-height-m);
  padding: 0 var(--input-padding-x-m);
  font-family: var(--ds-font-family-sans);
  font-size: var(--input-font-size-m);
  line-height: 1.5;
  color: var(--input-text-color);
  background: var(--input-bg);
  border: var(--input-border-width) solid var(--input-border-color);
  border-radius: var(--input-border-radius);
  transition: var(--input-transition);
  appearance: none;
  outline: none;
}

.c-input__field::placeholder {
  color: var(--input-text-color-placeholder);
  opacity: 1;
}

/* ========================================
   Input States
   ======================================== */

/* Hover */
.c-input__field:hover:not(:disabled):not(:read-only) {
  background: var(--input-bg-hover);
  border-color: var(--input-border-color-hover);
}

/* Focus */
.c-input__field:focus:not(:disabled):not(:read-only) {
  background: var(--input-bg-focus);
  border-color: var(--input-border-color-focus);
  box-shadow: 0 0 0 var(--input-focus-ring-width) rgba(13, 86, 150, 0.2);
}

/* Disabled */
.c-input__field:disabled {
  background: var(--input-bg-disabled);
  border-color: var(--input-border-color-disabled);
  color: var(--input-text-color-disabled);
  cursor: not-allowed;
  opacity: 0.6;
}

/* Readonly */
.c-input__field:read-only {
  background: var(--input-bg-readonly);
  cursor: default;
}

/* Error state */
.c-input--error .c-input__field {
  border-color: var(--input-border-color-error);
}

.c-input--error .c-input__field:focus {
  border-color: var(--input-border-color-error);
  box-shadow: 0 0 0 var(--input-focus-ring-width) rgba(210, 64, 35, 0.2);
}

/* Success state */
.c-input--success .c-input__field {
  border-color: var(--input-border-color-success);
}

.c-input--success .c-input__field:focus {
  border-color: var(--input-border-color-success);
  box-shadow: 0 0 0 var(--input-focus-ring-width) rgba(29, 134, 51, 0.2);
}

/* Loading state */
.c-input--loading .c-input__field {
  background-image: linear-gradient(90deg,
    transparent 0%,
    rgba(13, 86, 150, 0.1) 50%,
    transparent 100%);
  background-size: 200% 100%;
  animation: input-loading 1.5s ease-in-out infinite;
}

@keyframes input-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ========================================
   Input Sizes
   ======================================== */

/* XS */
.c-input--size-xs .c-input__field {
  height: var(--input-height-xs);
  padding: 0 var(--input-padding-x-xs);
  font-size: var(--input-font-size-xs);
}

/* S */
.c-input--size-s .c-input__field {
  height: var(--input-height-s);
  padding: 0 var(--input-padding-x-s);
  font-size: var(--input-font-size-s);
}

/* M - default */
.c-input--size-m .c-input__field {
  height: var(--input-height-m);
  padding: 0 var(--input-padding-x-m);
  font-size: var(--input-font-size-m);
}

/* L */
.c-input--size-l .c-input__field {
  height: var(--input-height-l);
  padding: 0 var(--input-padding-x-l);
  font-size: var(--input-font-size-l);
}

/* XL */
.c-input--size-xl .c-input__field {
  height: var(--input-height-xl);
  padding: 0 var(--input-padding-x-xl);
  font-size: var(--input-font-size-xl);
}

/* ========================================
   Input Variants
   ======================================== */

/* Filled variant */
.c-input--filled .c-input__field {
  background: var(--ds-color-surface-raised);
  border-color: transparent;
}

.c-input--filled .c-input__field:hover:not(:disabled) {
  background: var(--ds-color-surface-hover);
}

.c-input--filled .c-input__field:focus:not(:disabled) {
  background: var(--input-bg-focus);
  border-color: var(--input-border-color-focus);
}

/* Outlined variant (default) - already defined in base */

/* Underlined variant */
.c-input--underlined .c-input__field {
  background: transparent;
  border: none;
  border-bottom: var(--input-border-width) solid var(--input-border-color);
  border-radius: 0;
  padding-left: 0;
  padding-right: 0;
}

.c-input--underlined .c-input__field:hover:not(:disabled) {
  border-bottom-color: var(--input-border-color-hover);
}

.c-input--underlined .c-input__field:focus:not(:disabled) {
  border-bottom-color: var(--input-border-color-focus);
  border-bottom-width: 2px;
  box-shadow: none;
}

/* Ghost variant */
.c-input--ghost .c-input__field {
  background: transparent;
  border-color: transparent;
}

.c-input--ghost .c-input__field:hover:not(:disabled) {
  background: var(--ds-color-surface-raised);
}

.c-input--ghost .c-input__field:focus:not(:disabled) {
  background: var(--input-bg-focus);
  border-color: var(--input-border-color-focus);
}

/* Rounded variant */
.c-input--rounded .c-input__field {
  border-radius: var(--ds-radius-pill);
}

/* ========================================
   Input with Icons (using Icon System)
   ======================================== */

/* Icon left */
.c-input--icon-left .c-input__wrapper {
  position: relative;
}

.c-input--icon-left .c-input__icon-left {
  position: absolute;
  left: var(--input-padding-x-m);
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  z-index: 1;
}

.c-input--icon-left .c-input__field {
  padding-left: calc(var(--input-padding-x-m) * 2 + var(--icon-size-m));
}

/* Icon right */
.c-input--icon-right .c-input__wrapper {
  position: relative;
}

.c-input--icon-right .c-input__icon-right {
  position: absolute;
  right: var(--input-padding-x-m);
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
}

.c-input--icon-right.c-input--clickable-icon .c-input__icon-right {
  pointer-events: auto;
  cursor: pointer;
}

.c-input--icon-right .c-input__field {
  padding-right: calc(var(--input-padding-x-m) * 2 + var(--icon-size-m));
}

/* Both icons */
.c-input--icon-both .c-input__field {
  padding-left: calc(var(--input-padding-x-m) * 2 + var(--icon-size-m));
  padding-right: calc(var(--input-padding-x-m) * 2 + var(--icon-size-m));
}

/* ========================================
   Icon Button (Clickable Icon)
   ======================================== */

.c-input__icon-button {
  position: absolute;
  right: var(--input-padding-x-m);
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  background: transparent;
  border: none;
  padding: 0;
  margin: 0;
  cursor: pointer;

  color: var(--ds-color-icon);
  transition: var(--input-transition);

  /* Ensure proper sizing */
  width: var(--icon-size-m);
  height: var(--icon-size-m);
}

.c-input__icon-button svg {
  width: 100%;
  height: 100%;
  display: block;
  stroke-width: var(--ds-icon-stroke-width);
}

.c-input__icon-button:hover {
  color: var(--ds-color-accent);
}

.c-input__icon-button:focus {
  outline: none;
}

.c-input__icon-button:focus-visible {
  outline: 2px solid var(--input-focus-ring-color);
  outline-offset: 2px;
  border-radius: var(--ds-radius-xs);
}

.c-input__icon-button:active {
  color: var(--ds-color-accent);
  transform: translateY(-50%) scale(0.95);
}

/* Icon button on left side */
.c-input__icon-button--left {
  left: var(--input-padding-x-m);
  right: auto;
}

/* Adjust padding when icon button is present */
.c-input--has-icon-button .c-input__field {
  padding-right: calc(var(--input-padding-x-m) * 2 + var(--icon-size-m));
}

.c-input--has-icon-button-left .c-input__field {
  padding-left: calc(var(--input-padding-x-m) * 2 + var(--icon-size-m));
}

/* ========================================
   Input with Prefix/Suffix
   ======================================== */

.c-input--with-prefix .c-input__wrapper,
.c-input--with-suffix .c-input__wrapper {
  display: flex;
  align-items: stretch;
}

.c-input__prefix,
.c-input__suffix {
  display: flex;
  align-items: center;
  padding: 0 var(--input-padding-x-m);
  background: var(--ds-color-surface-raised);
  border: var(--input-border-width) solid var(--input-border-color);
  font-size: var(--input-font-size-m);
  color: var(--input-text-color);
  white-space: nowrap;
}
.c-input__prefix svg,
.c-input__suffix svg {
  /* 
  --input-icon-size 
  --input-icon-color
  */

  width: var(--input-font-size-m);
  height: var(--input-font-size-m);
  stroke: var(--input-text-color);
  stroke-width: var(--input-icon-stroke-width);
}
.c-input__prefix {
  border-right: none;
  border-radius: var(--input-border-radius) 0 0 var(--input-border-radius);
}

.c-input__suffix {
  border-left: none;
  border-radius: 0 var(--input-border-radius) var(--input-border-radius) 0;
}

.c-input--with-prefix .c-input__field {
  border-radius: 0 var(--input-border-radius) var(--input-border-radius) 0;
}

.c-input--with-suffix .c-input__field {
  border-radius: var(--input-border-radius) 0 0 var(--input-border-radius);
}

.c-input--with-prefix.c-input--with-suffix .c-input__field {
  border-radius: 0;
}

/* ========================================
   Character Counter
   ======================================== */

.c-input__counter {
  position: absolute;
  right: var(--input-padding-x-m);
  bottom: calc(-1 * var(--input-helper-margin) - 1.2em);
  font-size: var(--input-helper-font-size);
  color: var(--input-helper-color);
}

.c-input__counter--limit {
  color: var(--ds-color-warning);
}

.c-input__counter--exceeded {
  color: var(--ds-color-status-danger);
}

/* ========================================
   Helper & Error Messages
   ======================================== */

.c-input__helper,
.c-input__error,
.c-input__success {
  margin-top: var(--input-helper-margin);
  font-size: var(--input-helper-font-size);
  line-height: 1.3;
}

.c-input__helper {
  color: var(--input-helper-color);
}
.c-input__helper.nline {
  display: block;
  width: 100%;
  text-align: left;
  font-size: var(--c-checkbox-hint-font-size, var(--ds-font-size-s));
  color: var(--c-checkbox-hint-color, var(--ds-color-text-weak));
  line-height: var(--c-checkbox-line-height);
  margin-top: var(--ds-space-2xs, 0.25rem);
}

div.c-input__helper p,
div.c-input__helper span,
div.c-input__helper ul li,
div.c-input__helper ol li {
  margin: 0; 
  margin-top: var(--input-helper-margin);
}
div.c-input__helper p,
div.c-input__helper span {
  padding: 0;
}
div.c-input__helper ul li,
div.c-input__helper ol li {
  margin: var(--input-helper-margin) 0 0 1.5rem;
}
div.c-input__helper ul li {
  list-style: disc;
  padding-left: .4rem;
}
div.c-input__helper ol li {
  list-style: decimal;
  padding-left: .4rem;
}

.c-input.c-input--error .c-input__success,
.c-input.c-input--success .c-input__error,
.c-input.c-input--error:not([show-helper-always="true"]) .c-input__helper,
.c-input.c-input--success:not([show-helper-always="true"]) .c-input__helper {
  display: none !important; 
}

.c-input__error {
  color: var(--input-error-color);
  display: flex;
  align-items: flex-start;
  gap: var(--ds-space-xs);
}

.c-input__success {
  color: var(--input-success-color);
  display: flex;
  align-items: flex-start;
  gap: var(--ds-space-xs);
}

/* ========================================
   Password Input Special
   ======================================== */

.c-input--password .c-input__toggle-password {
  cursor: pointer;
  transition: var(--input-transition);
}

.c-input--password .c-input__toggle-password:hover {
  color: var(--ds-color-accent);
}

/* ========================================
   Search Input Special
   ======================================== */

.c-input--search .c-input__clear {
  cursor: pointer;
  transition: var(--input-transition);
  opacity: 0;
  pointer-events: none;
}

.c-input--search .c-input__field:not(:placeholder-shown) ~ .c-input__clear {
  opacity: 1;
  pointer-events: auto;
}

.c-input--search .c-input__clear:hover {
  color: var(--ds-color-accent);
}

/* ========================================
   Number Input Special
   ======================================== */

.c-input--number .c-input__wrapper {
  position: relative;
}

.c-input--number .c-input__spinner {
  position: absolute;
  right: var(--ds-space-xs);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
}

.c-input__spinner-up,
.c-input__spinner-down {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 12px;
  background: var(--ds-color-surface-raised);
  border: 1px solid var(--input-border-color);
  cursor: pointer;
  transition: var(--input-transition);
}

.c-input__spinner-up:hover,
.c-input__spinner-down:hover {
  background: var(--ds-color-accent);
  color: white;
}

.c-input__spinner-up {
  border-radius: 0 var(--ds-radius-xs) 0 0;
  border-bottom: none;
}

.c-input__spinner-down {
  border-radius: 0 0 var(--ds-radius-xs) 0;
}

/* Hide native spinner */
.c-input--number .c-input__field::-webkit-inner-spin-button,
.c-input--number .c-input__field::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.c-input--number .c-input__field[type="number"] {
  -moz-appearance: textfield;
}

/* ========================================
   Date/Time Input Special
   ======================================== */

.c-input--date .c-input__calendar-icon,
.c-input--time .c-input__clock-icon {
  cursor: pointer;
}

/* Custom date picker styles */
.c-input__field[type="date"]::-webkit-calendar-picker-indicator,
.c-input__field[type="time"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
  opacity: 0;
  position: absolute;
  right: 0;
  width: 100%;
  height: 100%;
}

/* ========================================
   File Input Special
   ======================================== */

/* CSS Custom Properties for File Input */
:root {
  --input-file-button-bg: var(--ds-color-accent);
  --input-file-button-bg-hover: var(--ds-color-accent-hover);
  --input-file-button-text: white;
  --input-file-button-border-radius: var(--ds-radius-s);
  --input-file-button-padding-x: var(--ds-space-m);
  --input-file-button-padding-y: var(--ds-space-xs);
  --input-file-button-gap: var(--ds-space-m);
  --input-file-icon-size: 1.25rem;
  --input-file-preview-size: 3rem;
  --input-file-preview-radius: var(--ds-radius-s);
}

/* Base file input styles */
.c-input--type-file .c-input__wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.c-input--type-file .c-input__field {
  width: 100%;
  height: auto;
  min-height: var(--input-height-m);
  padding: var(--ds-space-s) var(--input-padding-x-m);
  cursor: pointer;
  color: var(--input-text-color);
  background: var(--input-bg);
  border: var(--input-border-width) solid var(--input-border-color);
  border-radius: var(--input-border-radius);
  transition: var(--input-transition);
}

.c-input--type-file .c-input__field:hover:not(:disabled) {
  border-color: var(--input-border-color-hover);
  background: var(--input-bg-hover);
}

.c-input--type-file .c-input__field:focus:not(:disabled) {
  border-color: var(--input-border-color-focus);
  box-shadow: 0 0 0 var(--input-focus-ring-width) rgba(13, 86, 150, 0.2);
  outline: none;
}

/* File selector button (native) */
.c-input--type-file .c-input__field::file-selector-button {
  appearance: none;
  -webkit-appearance: none;
  padding: var(--input-file-button-padding-y) var(--input-file-button-padding-x);
  margin-right: var(--input-file-button-gap);
  margin-inline-end: var(--input-file-button-gap);
  background: var(--input-file-button-bg);
  color: var(--input-file-button-text);
  border: none;
  border-radius: var(--input-file-button-border-radius);
  font-family: var(--ds-font-family-sans);
  font-size: var(--input-font-size-m);
  font-weight: var(--ds-font-weight-medium);
  line-height: 1.5;
  cursor: pointer;
  transition: var(--input-transition);
}

.c-input--type-file .c-input__field::file-selector-button:hover {
  background: var(--input-file-button-bg-hover);
}

.c-input--type-file .c-input__field:disabled::file-selector-button {
  opacity: 0.6;
  cursor: not-allowed;
}

/* File input with icon */
.c-input--type-file .c-input__file-icon {
  position: absolute;
  left: var(--input-padding-x-m);
  top: 50%;
  transform: translateY(-50%);
  width: var(--input-file-icon-size);
  height: var(--input-file-icon-size);
  color: var(--ds-color-icon);
  pointer-events: none;
  z-index: 1;
}

.c-input--type-file .c-input__file-icon svg {
  width: 100%;
  height: 100%;
  stroke-width: var(--ds-icon-stroke-width, 2);
}

.c-input--type-file.c-input--has-icon .c-input__field {
  padding-left: calc(var(--input-padding-x-m) * 2 + var(--input-file-icon-size));
}

/* File name display */
.c-input--type-file .c-input__file-name {
  display: flex;
  align-items: center;
  gap: var(--ds-space-xs);
  color: var(--input-text-color);
  font-size: var(--input-font-size-m);
}

.c-input--type-file .c-input__file-name--empty {
  color: var(--input-text-color-placeholder);
}

/* File info (size, type) */
.c-input--type-file .c-input__file-info {
  display: flex;
  align-items: center;
  gap: var(--ds-space-s);
  margin-top: var(--ds-space-xs);
  font-size: var(--input-helper-font-size);
  color: var(--input-helper-color);
}

.c-input--type-file .c-input__file-info-item {
  display: inline-flex;
  align-items: center;
  gap: var(--ds-space-2xs);
}

.c-input--type-file .c-input__file-info-item svg {
  width: 0.875rem;
  height: 0.875rem;
  color: var(--ds-color-icon);
}

/* Clear button for file input */
.c-input--type-file .c-input__file-clear {
  position: absolute;
  right: var(--input-padding-x-m);
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  padding: 0;
  background: var(--ds-color-surface-raised);
  border: 1px solid var(--ds-color-border);
  border-radius: var(--ds-radius-circle);
  color: var(--ds-color-icon);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--input-transition);
  z-index: 2;
}

.c-input--type-file .c-input__file-clear svg {
  width: 0.875rem;
  height: 0.875rem;
}

.c-input--type-file .c-input__file-clear:hover {
  background: var(--ds-color-status-danger);
  border-color: var(--ds-color-status-danger);
  color: white;
}

.c-input--type-file.has-file .c-input__file-clear {
  opacity: 1;
  visibility: visible;
}

.c-input--type-file.has-file .c-input__field {
  padding-right: calc(var(--input-padding-x-m) * 2 + 1.5rem);
}

/* ----------------------------------------
   File Input Variants
   ---------------------------------------- */

/* Outlined variant (default) - already defined */

/* Filled variant */
.c-input--type-file.c-input--filled .c-input__field {
  background: var(--ds-color-surface-raised);
  border-color: transparent;
}

.c-input--type-file.c-input--filled .c-input__field:hover:not(:disabled) {
  background: var(--ds-color-surface-hover);
}

.c-input--type-file.c-input--filled .c-input__field:focus:not(:disabled) {
  background: var(--input-bg-focus);
  border-color: var(--input-border-color-focus);
}

/* Ghost variant */
.c-input--type-file.c-input--ghost .c-input__field {
  background: transparent;
  border-color: transparent;
}

.c-input--type-file.c-input--ghost .c-input__field:hover:not(:disabled) {
  background: var(--ds-color-surface-raised);
}

/* Dashed variant (for visual "upload area" feel without drag-drop) */
.c-input--type-file.c-input--dashed .c-input__field {
  border-style: dashed;
  border-width: 2px;
  background: var(--ds-color-surface-raised);
}

.c-input--type-file.c-input--dashed .c-input__field:hover:not(:disabled) {
  border-color: var(--input-border-color-focus);
  background: rgba(13, 86, 150, 0.05);
}

/* Compact variant */
.c-input--type-file.c-input--compact .c-input__field {
  min-height: var(--input-height-s);
  padding: var(--ds-space-xs) var(--input-padding-x-s);
}

.c-input--type-file.c-input--compact .c-input__field::file-selector-button {
  padding: calc(var(--ds-space-xs) / 2) var(--ds-space-s);
  font-size: var(--input-font-size-s);
}

/* ----------------------------------------
   File Input Button Variants
   ---------------------------------------- */

/* Secondary button style */
.c-input--type-file.c-input--button-secondary .c-input__field::file-selector-button {
  background: var(--ds-color-surface);
  color: var(--ds-color-accent);
  border: 1px solid var(--ds-color-accent);
}

.c-input--type-file.c-input--button-secondary .c-input__field::file-selector-button:hover {
  background: rgba(13, 86, 150, 0.1);
}

/* Ghost button style */
.c-input--type-file.c-input--button-ghost .c-input__field::file-selector-button {
  background: transparent;
  color: var(--ds-color-accent);
  border: none;
}

.c-input--type-file.c-input--button-ghost .c-input__field::file-selector-button:hover {
  background: rgba(13, 86, 150, 0.1);
}

/* Success button style */
.c-input--type-file.c-input--button-success .c-input__field::file-selector-button {
  background: var(--ds-color-status-success);
}

.c-input--type-file.c-input--button-success .c-input__field::file-selector-button:hover {
  background: var(--ds-color-status-success);
  filter: brightness(0.9);
}

/* Danger button style */
.c-input--type-file.c-input--button-danger .c-input__field::file-selector-button {
  background: var(--ds-color-status-danger);
}

.c-input--type-file.c-input--button-danger .c-input__field::file-selector-button:hover {
  background: var(--ds-color-status-danger);
  filter: brightness(0.9);
}

/* ----------------------------------------
   File Input Sizes
   ---------------------------------------- */

/* XS Size */
.c-input--type-file.c-input--size-xs .c-input__field {
  min-height: var(--input-height-xs);
  padding: var(--ds-space-2xs) var(--input-padding-x-xs);
  font-size: var(--input-font-size-xs);
}

.c-input--type-file.c-input--size-xs .c-input__field::file-selector-button {
  padding: calc(var(--ds-space-2xs) / 2) var(--ds-space-xs);
  font-size: var(--input-font-size-xs);
}

/* S Size */
.c-input--type-file.c-input--size-s .c-input__field {
  min-height: var(--input-height-s);
  padding: var(--ds-space-xs) var(--input-padding-x-s);
  font-size: var(--input-font-size-s);
}

.c-input--type-file.c-input--size-s .c-input__field::file-selector-button {
  padding: calc(var(--ds-space-xs) / 2) var(--ds-space-s);
  font-size: var(--input-font-size-s);
}

/* L Size */
.c-input--type-file.c-input--size-l .c-input__field {
  min-height: var(--input-height-l);
  padding: var(--ds-space-m) var(--input-padding-x-l);
  font-size: var(--input-font-size-l);
}

.c-input--type-file.c-input--size-l .c-input__field::file-selector-button {
  padding: var(--ds-space-s) var(--ds-space-l);
  font-size: var(--input-font-size-l);
}

/* XL Size */
.c-input--type-file.c-input--size-xl .c-input__field {
  min-height: var(--input-height-xl);
  padding: var(--ds-space-m) var(--input-padding-x-xl);
  font-size: var(--input-font-size-xl);
}

.c-input--type-file.c-input--size-xl .c-input__field::file-selector-button {
  padding: var(--ds-space-s) var(--ds-space-xl);
  font-size: var(--input-font-size-xl);
}

/* ----------------------------------------
   File Input States
   ---------------------------------------- */

/* Disabled */
.c-input--type-file .c-input__field:disabled {
  background: var(--input-bg-disabled);
  border-color: var(--input-border-color-disabled);
  color: var(--input-text-color-disabled);
  cursor: not-allowed;
  opacity: 0.6;
}

/* Error state */
.c-input--type-file.c-input--error .c-input__field {
  border-color: var(--input-border-color-error);
}

.c-input--type-file.c-input--error .c-input__field:focus {
  box-shadow: 0 0 0 var(--input-focus-ring-width) rgba(210, 64, 35, 0.2);
}

/* Success state */
.c-input--type-file.c-input--success .c-input__field {
  border-color: var(--input-border-color-success);
}

.c-input--type-file.c-input--success .c-input__field:focus {
  box-shadow: 0 0 0 var(--input-focus-ring-width) rgba(29, 134, 51, 0.2);
}

/* ----------------------------------------
   File Input with Preview Container
   ---------------------------------------- */

.c-input--type-file .c-input__file-preview {
  display: none;
  align-items: center;
  gap: var(--ds-space-m);
  margin-top: var(--ds-space-s);
  padding: var(--ds-space-s);
  background: var(--ds-color-surface-raised);
  border: 1px solid var(--ds-color-border);
  border-radius: var(--input-border-radius);
}

.c-input--type-file.has-file .c-input__file-preview {
  display: flex;
}

.c-input--type-file .c-input__file-preview-thumb {
  flex-shrink: 0;
  width: var(--input-file-preview-size);
  height: var(--input-file-preview-size);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ds-color-surface);
  border: 1px solid var(--ds-color-border);
  border-radius: var(--input-file-preview-radius);
  overflow: hidden;
}

.c-input--type-file .c-input__file-preview-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.c-input--type-file .c-input__file-preview-thumb svg {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--ds-color-icon);
}

.c-input--type-file .c-input__file-preview-details {
  flex: 1;
  min-width: 0;
}

.c-input--type-file .c-input__file-preview-name {
  font-size: var(--input-font-size-m);
  font-weight: var(--ds-font-weight-medium);
  color: var(--input-text-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.c-input--type-file .c-input__file-preview-meta {
  display: flex;
  gap: var(--ds-space-s);
  font-size: var(--input-helper-font-size);
  color: var(--input-helper-color);
  margin-top: var(--ds-space-2xs);
}

.c-input--type-file .c-input__file-preview-remove {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  background: transparent;
  border: 1px solid var(--ds-color-border);
  border-radius: var(--ds-radius-s);
  color: var(--ds-color-icon);
  cursor: pointer;
  transition: var(--input-transition);
}

.c-input--type-file .c-input__file-preview-remove svg {
  width: 1rem;
  height: 1rem;
}

.c-input--type-file .c-input__file-preview-remove:hover {
  background: var(--ds-color-status-danger);
  border-color: var(--ds-color-status-danger);
  color: white;
}

/* ----------------------------------------
   File Input with Accepted Types Display
   ---------------------------------------- */

.c-input--type-file .c-input__file-accept {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ds-space-xs);
  margin-top: var(--ds-space-xs);
}

.c-input--type-file .c-input__file-accept-tag {
  display: inline-flex;
  align-items: center;
  padding: var(--ds-space-2xs) var(--ds-space-xs);
  background: var(--ds-color-surface-raised);
  border: 1px solid var(--ds-color-border);
  border-radius: var(--ds-radius-xs);
  font-size: var(--ds-font-size-xs);
  color: var(--input-helper-color);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

/* ----------------------------------------
   Multiple File Input
   ---------------------------------------- */

.c-input--type-file.c-input--multiple .c-input__file-list {
  display: flex;
  flex-direction: column;
  gap: var(--ds-space-xs);
  margin-top: var(--ds-space-s);
}

.c-input--type-file.c-input--multiple .c-input__file-list-item {
  display: flex;
  align-items: center;
  gap: var(--ds-space-s);
  padding: var(--ds-space-xs) var(--ds-space-s);
  background: var(--ds-color-surface-raised);
  border: 1px solid var(--ds-color-border);
  border-radius: var(--input-border-radius);
}

.c-input--type-file.c-input--multiple .c-input__file-list-item-icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  color: var(--ds-color-icon);
}

.c-input--type-file.c-input--multiple .c-input__file-list-item-icon svg {
  width: 100%;
  height: 100%;
}

.c-input--type-file.c-input--multiple .c-input__file-list-item-name {
  flex: 1;
  min-width: 0;
  font-size: var(--input-font-size-s);
  color: var(--input-text-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.c-input--type-file.c-input--multiple .c-input__file-list-item-size {
  flex-shrink: 0;
  font-size: var(--input-helper-font-size);
  color: var(--input-helper-color);
}

.c-input--type-file.c-input--multiple .c-input__file-list-item-remove {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  padding: 0;
  background: transparent;
  border: none;
  color: var(--ds-color-icon);
  cursor: pointer;
  transition: var(--input-transition);
}

.c-input--type-file.c-input--multiple .c-input__file-list-item-remove svg {
  width: 100%;
  height: 100%;
}

.c-input--type-file.c-input--multiple .c-input__file-list-item-remove:hover {
  color: var(--ds-color-status-danger);
}

/* File count badge */
.c-input--type-file.c-input--multiple .c-input__file-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.5rem;
  height: 1.5rem;
  padding: 0 var(--ds-space-xs);
  background: var(--ds-color-accent);
  color: white;
  font-size: var(--ds-font-size-xs);
  font-weight: var(--ds-font-weight-medium);
  border-radius: var(--ds-radius-pill);
  margin-left: var(--ds-space-xs);
}

/* Legacy support - original simple file input */
.c-input--file .c-input__field[type="file"] {
  padding: calc(var(--input-padding-x-m) / 2);
  cursor: pointer;
}

.c-input--file .c-input__field[type="file"]::file-selector-button {
  padding: var(--ds-space-xs) var(--ds-space-s);
  margin-right: var(--ds-space-s);
  background: var(--ds-color-accent);
  color: white;
  border: none;
  border-radius: var(--ds-radius-xs);
  cursor: pointer;
  transition: var(--input-transition);
}

.c-input--file .c-input__field[type="file"]::file-selector-button:hover {
  background: var(--ds-color-accent-hover);
}

/* ========================================
   Color Input Special
   ======================================== */

.c-input--color .c-input__field[type="color"] {
  padding: var(--ds-space-xs);
  cursor: pointer;
}

.c-input--color .c-input__field[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}

.c-input--color .c-input__field[type="color"]::-webkit-color-swatch {
  border: none;
  border-radius: var(--ds-radius-xs);
}

/* ========================================
   Range Input Special
   ======================================== */

.c-input--range .c-input__field[type="range"] {
  padding: 0;
  background: transparent;
  border: none;
}

.c-input--range .c-input__range-value {
  display: flex;
  justify-content: space-between;
  margin-top: var(--ds-space-xs);
  font-size: var(--input-helper-font-size);
  color: var(--input-helper-color);
}

/* ========================================
   Input Group
   ======================================== */

.c-input-group {
  display: flex;
  gap: var(--ds-space-m);
  align-items: flex-start;
}

.c-input-group--vertical {
  flex-direction: column;
}

.c-input-group--horizontal {
  flex-direction: row;
}

/* ========================================
   Accessibility & Focus Management
   ======================================== */

/* Focus visible for keyboard navigation */
.c-input__field:focus-visible {
  outline: var(--input-focus-ring-width) solid var(--input-focus-ring-color);
  outline-offset: var(--input-focus-ring-offset);
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .c-input__field {
    border-width: 2px;
  }
  
  .c-input__field:focus {
    outline-width: 3px;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .c-input__field,
  .c-input__label {
    transition: none;
  }
  
  .c-input--loading .c-input__field {
    animation: none;
  }
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 640px) {
  .c-input-group--horizontal {
    flex-direction: column;
  }
  
  .c-input__field {
    font-size: 16px; /* Prevent zoom on iOS */
  }
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
  .c-input__field {
    border: 1px solid #000;
    background: white;
  }
  
  .c-input__helper,
  .c-input__counter {
    display: none;
  }
}