/* ==========================================================
   ChartedNurse Forms
   Shared form components
   Mobile-first: designed for 390px and up
   Requires: base.css
   ========================================================== */


/* ==========================================================
   FORM LAYOUT
   ========================================================== */

.cn-form {
  width: 100%;
}

.cn-form-section {
  display: grid;
  gap: var(--cn-space-5);
}

.cn-form-section + .cn-form-section {
  margin-top: var(--cn-space-8);
}

.cn-form-section-header {
  display: grid;
  gap: var(--cn-space-1);
}

.cn-form-section-title {
  margin: 0;
  color: var(--cn-navy);
  font-size: var(--cn-text-xl);
  font-weight: 700;
}

.cn-form-section-description {
  margin: 0;
  color: var(--cn-text-secondary);
  font-size: var(--cn-text-sm);
  line-height: 1.6;
}

.cn-form-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--cn-space-5);
}

.cn-form-actions {
  display: flex;
  flex-direction: column;
  gap: var(--cn-space-3);
  margin-top: var(--cn-space-6);
}


/* ==========================================================
   FIELD
   ========================================================== */

.cn-field {
  display: grid;
  min-width: 0;
  gap: var(--cn-space-2);
}

.cn-field-group {
  display: grid;
  gap: var(--cn-space-4);
}

.cn-field-inline {
  display: flex;
  align-items: center;
  gap: var(--cn-space-3);
}


/* ==========================================================
   LABELS
   ========================================================== */

.cn-label,
.cn-fieldset legend {
  color: var(--cn-text-primary);
  font-size: var(--cn-text-sm);
  font-weight: 800;
  line-height: 1.4;
}

.cn-label {
  display: inline-flex;
  align-items: baseline;
  gap: var(--cn-space-1);
}

.cn-required,
.cn-label-required {
  color: var(--cn-danger);
  font-weight: 800;
}

.cn-optional {
  color: var(--cn-text-muted);
  font-size: var(--cn-text-xs);
  font-weight: 600;
}


/* ==========================================================
   SHARED CONTROLS
   ========================================================== */

.cn-input,
.cn-select,
.cn-textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--cn-border);
  border-radius: var(--cn-radius-md);
  color: var(--cn-text-primary);
  background: var(--cn-bg);
  font-family: var(--cn-font-body);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  transition:
    border-color var(--cn-transition-fast),
    box-shadow var(--cn-transition-fast),
    background-color var(--cn-transition-fast);
}

.cn-input,
.cn-select {
  min-height: 52px;
  padding: 0 var(--cn-space-4);
}

.cn-textarea {
  min-height: 130px;
  padding: var(--cn-space-3) var(--cn-space-4);
  resize: vertical;
}

.cn-input::placeholder,
.cn-textarea::placeholder {
  color: var(--cn-text-light);
  opacity: 1;
  font-weight: 500;
}

.cn-input:hover,
.cn-select:hover,
.cn-textarea:hover {
  border-color: rgba(28, 167, 163, 0.5);
}

.cn-input:focus,
.cn-select:focus,
.cn-textarea:focus {
  border-color: var(--cn-teal);
  outline: 0;
  box-shadow: 0 0 0 3px rgba(28, 167, 163, 0.13);
}


/* ==========================================================
   SELECT
   ========================================================== */

.cn-select {
  padding-right: 2.75rem;
  cursor: pointer;
}


/* ==========================================================
   INPUT SIZES
   ========================================================== */

.cn-input-sm,
.cn-select-sm {
  min-height: 44px;
}

.cn-input-lg,
.cn-select-lg {
  min-height: 58px;
}


/* ==========================================================
   HELP / META TEXT
   ========================================================== */

.cn-field-help,
.cn-field-error,
.cn-field-success,
.cn-field-count {
  margin: 0;
  font-size: var(--cn-text-xs);
  line-height: 1.5;
}

.cn-field-help,
.cn-field-count {
  color: var(--cn-text-muted);
}

.cn-field-error {
  color: var(--cn-danger);
  font-weight: 700;
}

.cn-field-success {
  color: var(--cn-success);
  font-weight: 700;
}

.cn-field-meta {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--cn-space-3);
}


/* ==========================================================
   VALIDATION STATES
   ========================================================== */

.cn-field.is-error .cn-input,
.cn-field.is-error .cn-select,
.cn-field.is-error .cn-textarea,
.cn-input.is-error,
.cn-select.is-error,
.cn-textarea.is-error {
  border-color: var(--cn-danger);
}

.cn-field.is-error .cn-input:focus,
.cn-field.is-error .cn-select:focus,
.cn-field.is-error .cn-textarea:focus,
.cn-input.is-error:focus,
.cn-select.is-error:focus,
.cn-textarea.is-error:focus {
  box-shadow: 0 0 0 3px rgba(185, 28, 28, 0.11);
}

.cn-field.is-success .cn-input,
.cn-field.is-success .cn-select,
.cn-field.is-success .cn-textarea,
.cn-input.is-success,
.cn-select.is-success,
.cn-textarea.is-success {
  border-color: var(--cn-success);
}


/* ==========================================================
   DISABLED / READONLY
   ========================================================== */

.cn-input:disabled,
.cn-select:disabled,
.cn-textarea:disabled,
.cn-input[aria-disabled="true"],
.cn-select[aria-disabled="true"],
.cn-textarea[aria-disabled="true"] {
  color: var(--cn-text-muted);
  background: var(--cn-bg-muted);
  border-color: var(--cn-border-soft);
  cursor: not-allowed;
  opacity: 0.8;
}

.cn-input[readonly],
.cn-textarea[readonly] {
  background: var(--cn-bg-soft);
  cursor: default;
}


/* ==========================================================
   INPUT GROUP
   ========================================================== */

.cn-input-group {
  display: flex;
  width: 100%;
  min-width: 0;
}

.cn-input-group .cn-input {
  flex: 1;
  min-width: 0;
}

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

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

.cn-input-addon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  min-height: 52px;
  padding: 0 var(--cn-space-4);
  border: 1px solid var(--cn-border);
  color: var(--cn-text-secondary);
  background: var(--cn-bg-muted);
  font-size: var(--cn-text-sm);
  font-weight: 700;
}


/* ==========================================================
   CHECKBOXES & RADIOS
   ========================================================== */

.cn-check,
.cn-radio {
  display: flex;
  align-items: flex-start;
  gap: var(--cn-space-3);
  color: var(--cn-text-primary);
  font-size: var(--cn-text-sm);
  line-height: 1.5;
  cursor: pointer;
}

.cn-check input,
.cn-radio input {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 0.05rem;
  accent-color: var(--cn-teal);
  cursor: pointer;
}

.cn-check input:focus-visible,
.cn-radio input:focus-visible {
  outline: 3px solid rgba(28, 167, 163, 0.18);
  outline-offset: 3px;
}

.cn-check-content,
.cn-radio-content {
  display: grid;
  gap: var(--cn-space-1);
}

.cn-check-title,
.cn-radio-title {
  font-weight: 800;
}

.cn-check-description,
.cn-radio-description {
  color: var(--cn-text-muted);
  font-size: var(--cn-text-xs);
}


/* ==========================================================
   FIELDSET / OPTION GROUP
   ========================================================== */

.cn-fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.cn-fieldset legend {
  margin-bottom: var(--cn-space-3);
}

.cn-option-group {
  display: grid;
  gap: var(--cn-space-3);
}


/* ==========================================================
   SWITCH
   ========================================================== */

.cn-switch {
  display: inline-flex;
  align-items: center;
  gap: var(--cn-space-3);
  cursor: pointer;
}

.cn-switch input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.cn-switch-track {
  position: relative;
  flex: 0 0 auto;
  width: 46px;
  height: 26px;
  border-radius: var(--cn-radius-pill);
  background: #CBD5E1;
  transition: background-color var(--cn-transition-fast);
}

.cn-switch-track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #FFFFFF;
  box-shadow: var(--cn-shadow-sm);
  transition: transform var(--cn-transition-fast);
}

.cn-switch input:checked + .cn-switch-track {
  background: var(--cn-teal);
}

.cn-switch input:checked + .cn-switch-track::after {
  transform: translateX(20px);
}

.cn-switch input:focus-visible + .cn-switch-track {
  outline: 3px solid rgba(28, 167, 163, 0.18);
  outline-offset: 3px;
}

.cn-switch-label {
  color: var(--cn-text-primary);
  font-size: var(--cn-text-sm);
  font-weight: 700;
}


/* ==========================================================
   FILE INPUT
   ========================================================== */

.cn-file-input {
  width: 100%;
  min-width: 0;
  padding: var(--cn-space-2);
  border: 1px solid var(--cn-border);
  border-radius: var(--cn-radius-md);
  color: var(--cn-text-secondary);
  background: var(--cn-bg);
  font-family: var(--cn-font-body);
  font-size: var(--cn-text-sm);
}

.cn-file-input::file-selector-button {
  min-height: 40px;
  margin-right: var(--cn-space-3);
  padding: 0 var(--cn-space-4);
  border: 0;
  border-radius: var(--cn-radius-sm);
  color: #FFFFFF;
  background: var(--cn-navy);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}


/* ==========================================================
   SEARCH INPUT
   ========================================================== */

.cn-search {
  position: relative;
  width: 100%;
}

.cn-search .cn-input {
  padding-left: 2.75rem;
}

.cn-search-icon {
  position: absolute;
  top: 50%;
  left: var(--cn-space-4);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--cn-text-muted);
  pointer-events: none;
  transform: translateY(-50%);
}

.cn-search-icon i {
  color: inherit;
  font-size: 1rem;
}


/* ==========================================================
   MOBILE-FIRST RESPONSIVE LAYOUT
   ========================================================== */

@media (min-width: 576px) {
  .cn-form-actions {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
  }
}

@media (min-width: 768px) {
  .cn-form-grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cn-form-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .cn-field-span-2 {
    grid-column: span 2;
  }

  .cn-field-span-full {
    grid-column: 1 / -1;
  }
}


/* ==========================================================
   REDUCED MOTION
   ========================================================== */

@media (prefers-reduced-motion: reduce) {
  .cn-input,
  .cn-select,
  .cn-textarea,
  .cn-switch-track,
  .cn-switch-track::after {
    transition: none;
  }
}