/* =============================================================================
   BlocHost Design System - Forms
   Form controls, inputs, selects, checkboxes, and form layouts
   ============================================================================= */

/* =========================================================================
   Form Control (Inputs, Textareas)
   ========================================================================= */

.form-control {
  display: block;
  width: 100%;
  padding: var(--input-padding-y) var(--input-padding-x);
  font-family: var(--font-family-sans);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--text-primary);
  background-color: var(--input-bg);
  background-clip: padding-box;
  border: var(--input-border-width) solid var(--input-border-color);
  border-radius: var(--input-border-radius);
  appearance: none;
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.form-control:focus {
  color: var(--text-primary);
  background-color: var(--input-bg);
  border-color: var(--input-focus-border-color);
  outline: none;
  box-shadow: var(--shadow-focus);
}

.form-control::placeholder {
  color: var(--text-muted);
  opacity: 1;
}

.form-control:disabled,
.form-control[readonly] {
  background-color: var(--input-disabled-bg);
  opacity: 1;
  cursor: not-allowed;
}

/* Form control sizing */
.form-control-sm {
  min-height: calc(1.5em + 0.5rem + 2px);
  padding: 0.25rem 0.5rem;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}

.form-control-lg {
  min-height: calc(1.5em + 1rem + 2px);
  padding: 0.5rem 1rem;
  font-size: var(--font-size-lg);
  border-radius: var(--radius-lg);
}

/* Textarea specific */
textarea.form-control {
  min-height: calc(1.5em + 0.75rem + 2px);
  resize: vertical;
}

textarea.form-control-sm {
  min-height: calc(1.5em + 0.5rem + 2px);
}

textarea.form-control-lg {
  min-height: calc(1.5em + 1rem + 2px);
}

/* Color input */
.form-control-color {
  width: 3rem;
  height: calc(1.5em + 0.75rem + 2px);
  padding: 0.25rem;
}

.form-control-color:not(:disabled):not([readonly]) {
  cursor: pointer;
}

.form-control-color::-webkit-color-swatch-wrapper {
  padding: 0;
}

.form-control-color::-webkit-color-swatch {
  border-radius: var(--radius-sm);
  border: none;
}

/* =========================================================================
   Form Select
   ========================================================================= */

.form-select {
  display: block;
  width: 100%;
  padding: var(--input-padding-y) var(--spacing-5) var(--input-padding-y) var(--input-padding-x);
  font-family: var(--font-family-sans);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--text-primary);
  background-color: var(--input-bg);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 16px 12px;
  border: var(--input-border-width) solid var(--input-border-color);
  border-radius: var(--input-border-radius);
  appearance: none;
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.form-select:focus {
  border-color: var(--input-focus-border-color);
  outline: none;
  box-shadow: var(--shadow-focus);
}

.form-select:disabled {
  background-color: var(--input-disabled-bg);
  cursor: not-allowed;
}

.form-select[multiple],
.form-select[size]:not([size="1"]) {
  padding-right: var(--input-padding-x);
  background-image: none;
}

/* Select sizing */
.form-select-sm {
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
  padding-left: 0.5rem;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}

.form-select-lg {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  padding-left: 1rem;
  font-size: var(--font-size-lg);
  border-radius: var(--radius-lg);
}

/* =========================================================================
   Form Check (Checkboxes & Radios)
   ========================================================================= */

.form-check {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  min-height: 1.5rem;
  padding-left: 0;
  margin-bottom: var(--spacing-2);
}

.form-check-input {
  width: 1rem;
  height: 1rem;
  margin: 0;
  vertical-align: top;
  background-color: var(--input-bg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  border: var(--input-border-width) solid var(--input-border-color);
  appearance: none;
  transition: background-color var(--transition-fast),
              border-color var(--transition-fast),
              box-shadow var(--transition-fast);
  flex-shrink: 0;
}

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

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

.form-check-input:active {
  filter: brightness(90%);
}

.form-check-input:focus {
  border-color: var(--input-focus-border-color);
  outline: none;
  box-shadow: var(--shadow-focus);
}

.form-check-input:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.form-check-input:checked[type="checkbox"] {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='m6 10 3 3 6-6'/%3e%3c/svg%3e");
}

.form-check-input:checked[type="radio"] {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='2' fill='%23fff'/%3e%3c/svg%3e");
}

.form-check-input[type="checkbox"]:indeterminate {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='M6 10h8'/%3e%3c/svg%3e");
}

.form-check-input:disabled {
  pointer-events: none;
  filter: none;
  opacity: 0.5;
}

.form-check-input:disabled ~ .form-check-label {
  cursor: default;
  opacity: 0.5;
}

.form-check-label {
  margin: 0;
  color: var(--text-primary);
  cursor: pointer;
}

/* Switch variant */
.form-switch {
  padding-left: 2.5em;
}

.form-switch .form-check-input {
  width: 2em;
  margin-left: -2.5em;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='rgba%280, 0, 0, 0.25%29'/%3e%3c/svg%3e");
  background-position: left center;
  border-radius: 2em;
  transition: background-position var(--transition-fast);
}

.form-switch .form-check-input:focus {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='%23FF5500'/%3e%3c/svg%3e");
}

.form-switch .form-check-input:checked {
  background-position: right center;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='%23fff'/%3e%3c/svg%3e");
}

/* Inline checks */
.form-check-inline {
  display: inline-flex;
  margin-right: 1rem;
}

/* =========================================================================
   Form Range
   ========================================================================= */

.form-range {
  width: 100%;
  height: 1.5rem;
  padding: 0;
  background-color: transparent;
  appearance: none;
}

.form-range:focus {
  outline: none;
}

.form-range::-webkit-slider-thumb {
  width: 1rem;
  height: 1rem;
  margin-top: -0.25rem;
  background-color: var(--color-primary);
  border: 0;
  border-radius: 1rem;
  appearance: none;
  transition: background-color var(--transition-fast),
              border-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.form-range::-webkit-slider-thumb:active {
  background-color: var(--color-primary-hover);
}

.form-range::-webkit-slider-runnable-track {
  width: 100%;
  height: 0.5rem;
  color: transparent;
  cursor: pointer;
  background-color: var(--border-color);
  border-color: transparent;
  border-radius: 1rem;
}

.form-range:disabled {
  pointer-events: none;
}

.form-range:disabled::-webkit-slider-thumb {
  background-color: var(--text-muted);
}

/* =========================================================================
   Form Labels
   ========================================================================= */

.form-label {
  display: inline-block;
  margin-bottom: var(--spacing-2);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
}

.col-form-label {
  padding-top: calc(0.375rem + 1px);
  padding-bottom: calc(0.375rem + 1px);
  margin-bottom: 0;
  font-size: inherit;
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-normal);
  color: var(--text-primary);
}

.col-form-label-lg {
  padding-top: calc(0.5rem + 1px);
  padding-bottom: calc(0.5rem + 1px);
  font-size: var(--font-size-lg);
}

.col-form-label-sm {
  padding-top: calc(0.25rem + 1px);
  padding-bottom: calc(0.25rem + 1px);
  font-size: var(--font-size-sm);
}

/* =========================================================================
   Form Text (Help Text)
   ========================================================================= */

.form-text {
  margin-top: var(--spacing-1);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* =========================================================================
   Form Group
   ========================================================================= */

.form-group {
  margin-bottom: var(--spacing-3);
}

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

.input-group {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  width: 100%;
}

.input-group > .form-control,
.input-group > .form-select {
  position: relative;
  flex: 1 1 auto;
  width: 1%;
  min-width: 0;
}

.input-group > .form-control:focus,
.input-group > .form-select:focus {
  z-index: 5;
}

.input-group .btn {
  position: relative;
  z-index: 2;
}

.input-group .btn:focus {
  z-index: 5;
}

.input-group-text {
  display: flex;
  align-items: center;
  padding: var(--input-padding-y) var(--input-padding-x);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--text-secondary);
  text-align: center;
  white-space: nowrap;
  background-color: var(--input-disabled-bg);
  border: var(--input-border-width) solid var(--input-border-color);
  border-radius: var(--input-border-radius);
}

/* Rounded corners handling */
.input-group > :not(:first-child):not(.dropdown-menu):not(.valid-tooltip):not(.valid-feedback):not(.invalid-tooltip):not(.invalid-feedback) {
  margin-left: calc(var(--input-border-width) * -1);
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.input-group > :not(:last-child):not(.dropdown-toggle):not(.dropdown-menu):not(.form-floating) {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

/* Input group sizing */
.input-group-lg > .form-control,
.input-group-lg > .form-select,
.input-group-lg > .input-group-text,
.input-group-lg > .btn {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-lg);
  border-radius: var(--radius-lg);
}

.input-group-sm > .form-control,
.input-group-sm > .form-select,
.input-group-sm > .input-group-text,
.input-group-sm > .btn {
  padding: 0.25rem 0.5rem;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}

/* =========================================================================
   Form Validation
   ========================================================================= */

.was-validated .form-control:valid,
.form-control.is-valid {
  border-color: var(--color-success);
  padding-right: calc(1.5em + 0.75rem);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%23198754' d='M2.3 6.73.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.was-validated .form-control:valid:focus,
.form-control.is-valid:focus {
  border-color: var(--color-success);
  box-shadow: 0 0 0 3px var(--color-success-light);
}

.was-validated .form-control:invalid,
.form-control.is-invalid {
  border-color: var(--color-danger);
  padding-right: calc(1.5em + 0.75rem);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.was-validated .form-control:invalid:focus,
.form-control.is-invalid:focus {
  border-color: var(--color-danger);
  box-shadow: var(--shadow-focus-danger);
}

.valid-feedback {
  display: none;
  width: 100%;
  margin-top: var(--spacing-1);
  font-size: var(--font-size-sm);
  color: var(--color-success);
}

.invalid-feedback {
  display: none;
  width: 100%;
  margin-top: var(--spacing-1);
  font-size: var(--font-size-sm);
  color: var(--color-danger);
}

.was-validated :valid ~ .valid-feedback,
.is-valid ~ .valid-feedback {
  display: block;
}

.was-validated :invalid ~ .invalid-feedback,
.is-invalid ~ .invalid-feedback {
  display: block;
}

/* Field with errors (Rails) */
.field_with_errors .form-control,
.field_with_errors .form-select {
  border-color: var(--color-danger);
  box-shadow: var(--shadow-focus-danger);
}

/* =========================================================================
   Form Sections (BlocHost specific)
   ========================================================================= */

.form-section {
  margin-bottom: var(--spacing-5);
  padding-bottom: var(--spacing-4);
  border-bottom: 1px solid var(--border-color);
}

.form-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.form-section h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-4);
  padding-bottom: var(--spacing-2);
  border-bottom: 2px solid var(--color-primary);
}

/* =========================================================================
   Form Row
   ========================================================================= */

.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-3);
}

.form-row .form-group {
  flex: 1;
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .form-row {
    flex-direction: column;
    gap: 0;
  }
  
  .form-row .form-group {
    margin-bottom: var(--spacing-3);
  }
}

/* =========================================================================
   Auth Input (BlocHost specific - Minimal style)
   ========================================================================= */

.auth-input {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  background: var(--color-white);
  transition: border-color var(--transition-fast);
  box-sizing: border-box;
  font-family: inherit;
}

.auth-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.auth-input::placeholder {
  color: var(--text-muted);
}

/* Auth button */
.auth-button {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.auth-button:hover {
  background: var(--color-primary-hover);
}

.auth-button:active {
  background: var(--color-primary-hover);
}

/* Auth form */
.auth-form {
  margin-bottom: var(--spacing-4);
}

.auth-form .form-group {
  margin-bottom: var(--spacing-3);
}

/* Auth links */
.auth-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-2);
}

.auth-link {
  color: var(--color-primary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

.auth-link:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

.auth-link-secondary {
  color: var(--text-secondary);
}

.auth-link-secondary:hover {
  color: var(--text-primary);
}

/* Auth divider */
.auth-divider {
  position: relative;
  width: 100%;
  text-align: center;
  margin: var(--spacing-3) 0;
}

.auth-divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-color);
}

.auth-divider span {
  position: relative;
  background: var(--color-white);
  padding: 0 var(--spacing-3);
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

/* =========================================================================
   Error Messages
   ========================================================================= */

.error-messages {
  background: var(--color-danger-light);
  border: 1px solid rgba(220, 53, 69, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--spacing-3);
  margin-bottom: var(--spacing-4);
  color: var(--color-danger);
  font-size: var(--font-size-sm);
}

.error-messages h2 {
  font-size: var(--font-size-base);
  margin: 0 0 var(--spacing-2) 0;
  color: var(--color-danger);
}

.error-messages ul {
  margin: 0;
  padding-left: var(--spacing-4);
  list-style-type: disc;
}

.error-messages li {
  margin-bottom: var(--spacing-1);
}

/* =========================================================================
   Floating Labels (Optional)
   ========================================================================= */

.form-floating {
  position: relative;
}

.form-floating > .form-control,
.form-floating > .form-select {
  height: calc(3.5rem + 2px);
  line-height: 1.25;
  padding: 1rem 0.75rem;
}

.form-floating > label {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  padding: 1rem 0.75rem;
  pointer-events: none;
  border: 1px solid transparent;
  transform-origin: 0 0;
  transition: opacity 0.1s ease-in-out, transform 0.1s ease-in-out;
  color: var(--text-muted);
}

.form-floating > .form-control:focus,
.form-floating > .form-control:not(:placeholder-shown) {
  padding-top: 1.625rem;
  padding-bottom: 0.625rem;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
  opacity: 0.65;
  transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
}