/* /website/public/assets/css/forms.css */
/* Comprehensive responsive form components leveraging enhanced base.css tokens */

:root {
  /* Form colors - Enhanced */
  --form-border: var(--color-border);
  --form-border-hover: var(--color-border-strong);
  --form-border-focus: rgba(255, 215, 0, 0.4);
  --form-bg: var(--color-bg);
  --form-bg-disabled: var(--color-bg-secondary);

  /* State colors */
  --form-error: #dc3545;
  --form-error-bg: #f8d7da;
  --form-error-border: #f5c6cb;
  --form-success: #198754;
  --form-success-bg: #d1e7dd;
  --form-success-border: #badbcc;
  --form-warning: #ffc107;
  --form-warning-bg: #fff3cd;
  --form-warning-border: #ffecb5;
  --form-info: #0dcaf0;
  --form-info-bg: #cff4fc;
  --form-info-border: #b6effb;

  /* Form spacing */
  --form-gap: var(--space-4);
  --form-gap-sm: var(--space-3);
  --form-gap-lg: var(--space-6);
}

/* 1) Form Containers - Enhanced */
.form-container {
  width: 100%;
  max-width: var(--container-md);
  margin: 0 auto;
  padding: var(--container-pad-x);
}

.form-card {
  background: var(--form-bg);
  border: 1px solid var(--form-border);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-soft);
  padding: clamp(var(--space-4), 4vw, var(--space-8));
  margin: var(--space-8) auto;
  max-width: clamp(20rem, 90vw, 40rem);
  transition: box-shadow var(--duration-base) var(--easing-standard);
}

.form-card:hover {
  box-shadow: var(--shadow);
}

.form-card--narrow {
  max-width: clamp(18rem, 85vw, 28rem);
}

.form-card--wide {
  max-width: clamp(24rem, 95vw, 56rem);
}

.form-card--full {
  max-width: none;
  margin: 0;
  border: none;
  box-shadow: none;
  background: transparent;
}

.form-title {
  margin: 0 0 var(--space-6);
  font-size: var(--font-2xl);
  font-weight: 700;
  color: var(--color-text-strong);
  text-align: center;
}

.form-subtitle {
  margin: 0 0 var(--space-4);
  font-size: var(--font-base);
  color: var(--color-text-muted);
  text-align: center;
}

/* 2) Form Layout System - Enhanced */
.form {
  display: grid;
  gap: var(--form-gap);
  width: 100%;
}

.form--compact {
  gap: var(--form-gap-sm);
}

.form--spacious {
  gap: var(--form-gap-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--form-gap);
  align-items: start;
}

.form-row--inline {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: var(--space-3);
}

/* Responsive grid layouts */
@media (min-width: 480px) {
  .form-row--2-sm {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

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

  .form-row--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .form-row--auto {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

@media (min-width: 1024px) {
  .form-row--5 {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .form-row--6 {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

/* Column spanning */
.form-col-span-2 {
  grid-column: span 2;
}

.form-col-span-3 {
  grid-column: span 3;
}

.form-col-span-full {
  grid-column: 1 / -1;
}

/* 3) Form Groups and Labels - Enhanced */
.form-group {
  display: grid;
  gap: var(--space-2);
  width: 100%;
}

.form-group--horizontal {
  display: grid;
  grid-template-columns: minmax(120px, 200px) 1fr;
  gap: var(--space-4);
  align-items: start;
}

@media (max-width: 767px) {
  .form-group--horizontal {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
}

.form-label {
  font-weight: 600;
  font-size: var(--font-sm);
  color: var(--color-text-strong);
  line-height: 1.4;
  margin-bottom: var(--space-1);
}

.form-label--required::after {
  content: " *";
  color: var(--form-error);
  font-weight: 700;
}

.form-label--optional::after {
  content: " (optional)";
  color: var(--color-text-light);
  font-weight: 400;
  font-size: var(--font-xs);
}

.form-help {
  color: var(--color-text-light);
  font-size: var(--font-xs);
  line-height: 1.4;
  margin-top: var(--space-1);
}

.form-help--error {
  color: var(--form-error);
  font-weight: 500;
}

.form-help--success {
  color: var(--form-success);
  font-weight: 500;
}

/* 4) Form Inputs - Comprehensive Touch-Friendly System */
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  border: 1px solid var(--form-border);
  border-radius: var(--radius-s);
  padding: clamp(0.625rem, 1.5vw, 0.875rem) clamp(0.75rem, 2vw, 1rem);
  background: var(--form-bg);
  color: var(--color-text);
  font-size: var(--font-base);
  line-height: 1.5;
  min-height: var(--input-height);
  transition: border-color var(--duration-base) var(--easing-standard),
    box-shadow var(--duration-base) var(--easing-standard),
    background-color var(--duration-base) var(--easing-standard);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-light);
  opacity: 1;
}

/* Input sizes */
.form-input--sm,
.form-select--sm {
  min-height: var(--input-height-sm);
  padding: 0.5rem 0.625rem;
  font-size: var(--font-sm);
}

.form-input--lg,
.form-select--lg,
.form-textarea--lg {
  min-height: var(--input-height-lg);
  padding: 0.875rem 1.125rem;
  font-size: var(--font-lg);
}

/* Textarea specific */
.form-textarea {
  min-height: calc(var(--input-height) * 2.5);
  resize: vertical;
}

.form-textarea--sm {
  min-height: calc(var(--input-height-sm) * 2);
}

.form-textarea--lg {
  min-height: calc(var(--input-height-lg) * 2);
}

/* Input states */
.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--form-border-hover);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--form-border-focus);
  box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
  outline: none;
}

.form-input:focus-visible,
.form-select:focus-visible,
.form-textarea:focus-visible {
  outline: 3px solid rgba(255, 215, 0, 0.55);
  outline-offset: 2px;
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  background-color: var(--form-bg-disabled);
  border-color: var(--form-border);
  color: var(--color-text-light);
  cursor: not-allowed;
  opacity: 0.7;
}

/* Input groups */
.form-input-group {
  display: flex;
  width: 100%;
}

.form-input-group .form-input {
  border-radius: 0;
  border-right: 0;
}

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

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

.form-input-addon {
  display: flex;
  align-items: center;
  padding: 0 var(--space-3);
  background: var(--color-bg-muted);
  border: 1px solid var(--form-border);
  border-left: 0;
  color: var(--color-text-muted);
  font-size: var(--font-sm);
  white-space: nowrap;
}

.form-input-addon:first-child {
  border-left: 1px solid var(--form-border);
  border-right: 0;
  border-top-left-radius: var(--radius-s);
  border-bottom-left-radius: var(--radius-s);
}

.form-input-addon:last-child {
  border-top-right-radius: var(--radius-s);
  border-bottom-right-radius: var(--radius-s);
}

/* 5) Form Validation and States - Enhanced */
.is-valid {
  border-color: var(--form-success) !important;
}

.is-invalid {
  border-color: var(--form-error) !important;
}

.is-warning {
  border-color: var(--form-warning) !important;
}

.form-feedback {
  font-size: var(--font-xs);
  line-height: 1.4;
  margin-top: var(--space-1);
}

.form-feedback--error {
  color: var(--form-error);
}

.form-feedback--success {
  color: var(--form-success);
}

.form-feedback--warning {
  color: var(--form-warning);
}

.form-feedback--info {
  color: var(--form-info);
}

/* Form alerts */
.form-alert {
  padding: clamp(0.75rem, 2vw, 1rem);
  border-radius: var(--radius-s);
  margin-bottom: var(--space-4);
  border: 1px solid;
  font-size: var(--font-sm);
  line-height: 1.5;
}

.form-alert--error {
  background: var(--form-error-bg);
  border-color: var(--form-error-border);
  color: var(--form-error);
}

.form-alert--success {
  background: var(--form-success-bg);
  border-color: var(--form-success-border);
  color: var(--form-success);
}

.form-alert--warning {
  background: var(--form-warning-bg);
  border-color: var(--form-warning-border);
  color: var(--form-warning);
}

.form-alert--info {
  background: var(--form-info-bg);
  border-color: var(--form-info-border);
  color: var(--form-info);
}

/* 6) Touch-Friendly Checkboxes and Radio Buttons */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  min-height: var(--touch-target);
  cursor: pointer;
}

.form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  margin: 0;
  border: 2px solid var(--form-border);
  background: var(--form-bg);
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

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

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

.form-check-input:checked {
  background: var(--color-yellow);
  border-color: var(--color-yellow-600);
}

.form-check-input:focus-visible {
  outline: 3px solid rgba(255, 215, 0, 0.55);
  outline-offset: 2px;
}

.form-check-label {
  font-size: var(--font-base);
  color: var(--color-text);
  line-height: 1.5;
  cursor: pointer;
}

/* Large touch-friendly checkboxes */
.form-check--lg .form-check-input {
  width: 1.5rem;
  height: 1.5rem;
}

.form-check--lg .form-check-label {
  font-size: var(--font-lg);
}

/* 7) Button Groups and Form Actions - Enhanced */
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  justify-content: flex-start;
  margin-top: var(--space-6);
}

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

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

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

.form-actions .btn {
  min-width: clamp(8rem, 20vw, 12rem);
  min-height: var(--touch-target-lg);
}

.form-actions .btn--sm {
  min-width: clamp(6rem, 15vw, 8rem);
  min-height: var(--touch-target);
}

.form-actions .btn--lg {
  min-width: clamp(10rem, 25vw, 16rem);
  min-height: var(--touch-target-xl);
}

/* Button groups */
.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

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

@media (max-width: 479px) {
  .btn-group {
    flex-direction: column;
  }

  .form-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .form-actions .btn {
    width: 100%;
  }
}

/* 8) File Upload Styling */
.form-file {
  position: relative;
  display: inline-block;
  width: 100%;
}

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

.form-file-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4);
  border: 2px dashed var(--form-border);
  border-radius: var(--radius-s);
  background: var(--form-bg);
  color: var(--color-text-muted);
  font-size: var(--font-base);
  min-height: var(--touch-target-lg);
  cursor: pointer;
  transition: border-color var(--duration-base) var(--easing-standard),
    background-color var(--duration-base) var(--easing-standard);
}

.form-file-label:hover {
  border-color: var(--form-border-hover);
  background: var(--color-bg-muted);
}

.form-file-input:focus + .form-file-label {
  border-color: var(--form-border-focus);
  box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
}

/* 9) Form Links and Navigation */
.form-link {
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--font-sm);
  transition: color var(--duration-base) var(--easing-standard);
}

.form-link:hover,
.form-link:focus-visible {
  color: var(--color-yellow-600);
  text-decoration: underline;
}

.form-link--primary {
  color: var(--color-yellow-600);
  font-weight: 600;
}

.form-link--primary:hover {
  color: var(--color-yellow);
}

.form-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--form-border);
}

@media (max-width: 479px) {
  .form-nav {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }
}

/* 10) Responsive Form Utilities */
.form-responsive {
  width: 100%;
}

@media (max-width: 767px) {
  .form-responsive .form-row--2,
  .form-responsive .form-row--3,
  .form-responsive .form-row--4 {
    grid-template-columns: 1fr;
  }

  .form-responsive .form-group--horizontal {
    grid-template-columns: 1fr;
  }
}

/* 11) Auth Container - Enhanced */
.auth-container {
  width: 100%;
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: var(--container-pad-x);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-wrapper {
  width: 100%;
  max-width: 28rem;
}

/* 12) Loading States */
.form-loading {
  position: relative;
  pointer-events: none;
}

.form-loading::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  border-radius: inherit;
  z-index: 1;
}

.form-spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  width: 2rem;
  height: 2rem;
  border: 2px solid var(--form-border);
  border-top-color: var(--color-yellow);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* 13) Accessibility Enhancements */
@media (prefers-reduced-motion: reduce) {
  .form-input,
  .form-select,
  .form-textarea,
  .form-file-label,
  .form-link {
    transition: none;
  }

  .form-spinner {
    animation: none;
  }
}

@media (prefers-contrast: high) {
  .form-input,
  .form-select,
  .form-textarea {
    border-width: 2px;
  }

  .form-check-input {
    border-width: 3px;
  }
}

/* Additional form tokens and components (enhanced) */
:root {
  /* Additional tokens */
  --form-focus: rgba(255, 215, 0, 0.55);
  --form-disabled: #e9ecef;
  --form-success-bg: #d1e7dd; /* ensure explicit token exists */
  --form-warning: #ffc107; /* ensure explicit token exists */
}

/* Form card size variants */
.form-card--small {
  max-width: clamp(18rem, 85vw, 24rem);
}
.form-card--large {
  max-width: clamp(28rem, 95vw, 60rem);
}
.form-card--full-width {
  width: 100%;
  max-width: none;
  margin: 0;
  border: none;
  box-shadow: none;
  background: transparent;
}

/* Inline form layout */
.form-inline {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: var(--space-3);
}

/* Input variants */
.form-search {
  position: relative;
}
.form-search .form-input {
  padding-left: calc(var(--space-4) + 1.25rem);
}
.form-search::before {
  content: "";
  position: absolute;
  left: var(--space-3);
  top: 50%;
  width: 1rem;
  height: 1rem;
  transform: translateY(-50%);
  border: 2px solid var(--color-text-light);
  border-radius: 50%;
}

/* Number input tweaks */
.form-number {
  -moz-appearance: textfield;
}
.form-number::-webkit-outer-spin-button,
.form-number::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Validation container helpers */
.form-success {
  background: var(--form-success-bg);
  border: 1px solid var(--form-success-border);
  color: var(--form-success);
}
.form-warning {
  background: var(--form-warning-bg);
  border: 1px solid var(--form-warning-border);
  color: var(--form-warning);
}

/* Helper components */
.form-hint {
  color: var(--color-text-light);
  font-size: var(--font-xs);
  margin-top: var(--space-1);
}
.form-counter {
  font-size: var(--font-xs);
  color: var(--color-text-light);
  text-align: right;
}
.form-progress {
  width: 100%;
  height: 0.5rem;
  background: var(--color-bg-muted);
  border-radius: var(--radius-s);
  overflow: hidden;
}
.form-progress__bar {
  height: 100%;
  width: 0%;
  background: var(--color-yellow);
  transition: width var(--duration-base) var(--easing-standard);
}

/* Steps navigation */
.form-steps {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: var(--space-3);
}
.form-steps .step {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-s);
  background: var(--color-bg-muted);
  color: var(--color-text);
  font-size: var(--font-sm);
}
.form-steps .step.is-active {
  background: rgba(255, 215, 0, 0.15);
  color: var(--color-text-strong);
  border: 1px solid rgba(255, 215, 0, 0.45);
}
.form-steps .step.is-complete {
  background: rgba(25, 135, 84, 0.12);
  color: var(--color-text-strong);
  border: 1px solid rgba(25, 135, 84, 0.35);
}

/* Button groups */
.form-button-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.form-button-group--vertical {
  flex-direction: column;
  align-items: stretch;
}
@media (max-width: 479px) {
  .form-button-group--responsive {
    flex-direction: column;
  }
}
@media (min-width: 480px) {
  .form-button-group--responsive {
    flex-direction: row;
  }
}

/* File upload drag-over state */
.form-file.is-dragover .form-file-label {
  border-color: var(--form-border-focus);
  background: var(--color-bg-muted);
}

/* Small form link variant */
.form-link--small {
  font-size: var(--font-xs);
}

/* End forms.css */