/**
 * Shards Bootstrap 5 Compatibility Layer
 * Bridges Bootstrap 4 classes in Shards to Bootstrap 5
 */

/* Card header headings */
.card-header h1,
.card-header h2,
.card-header h3,
.card-header h4,
.card-header h5,
.card-header h6,
.card-header p {
  margin-bottom: .75rem;
  font-family: Poppins, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-weight: 400;
}

.card-header p:last-child {
  margin-bottom: 0;
}

/* Form Controls */
.form-label {
  margin-bottom: 0.5rem;
  font-weight: 400;
}

.form-text {
  margin-top: 0.25rem;
  font-size: 0.875em;
  color: #6c757d;
}

/* Form Check (replaces custom-control) */
.form-check {
  display: block;
  min-height: 1.5rem;
  padding-left: 1.5em;
  margin-bottom: 0.125rem;
}

.form-check .form-check-input {
  float: left;
  margin-left: -1.5em;
}

.form-check-input {
  width: 1em;
  height: 1em;
  margin-top: 0.25em;
  vertical-align: top;
  background-color: #fff;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  border: 1px solid rgba(0, 0, 0, 0.25);
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  print-color-adjust: exact;
}

.form-check-input[type="checkbox"] {
  border-radius: 0.25em;
}

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

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

.form-check-input:focus {
  border-color: #86b7fe;
  outline: 0;
  box-shadow: 0 0 0 0.25rem rgba(0, 123, 255, 0.25);
}

.form-check-input:checked {
  background-color: #007bff;
  border-color: #007bff;
}

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

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

.form-check-label {
  cursor: pointer;
}

/* Form Switch */
.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 0.15s ease-in-out;
}

.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");
}

/* Form floating labels */
.form-floating {
  position: relative;
}

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

.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);
}

/* Close button (Bootstrap 5 style) */
.btn-close {
  box-sizing: content-box;
  width: 1em;
  height: 1em;
  padding: 0.25em 0.25em;
  color: #000;
  background: transparent url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23000'%3e%3cpath d='M.293.293a1 1 0 0 1 1.414 0L8 6.586 14.293.293a1 1 0 1 1 1.414 1.414L9.414 8l6.293 6.293a1 1 0 0 1-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 0 1-1.414-1.414L6.586 8 .293 1.707a1 1 0 0 1 0-1.414z'/%3e%3c/svg%3e") center/1em auto no-repeat;
  border: 0;
  border-radius: 0.375rem;
  opacity: 0.5;
}

.btn-close:hover {
  color: #000;
  text-decoration: none;
  opacity: 0.75;
}

.btn-close:focus {
  outline: 0;
  box-shadow: 0 0 0 0.25rem rgba(0, 123, 255, 0.25);
  opacity: 1;
}

.btn-close:disabled,
.btn-close.disabled {
  pointer-events: none;
  user-select: none;
  opacity: 0.25;
}

.btn-close-white {
  filter: invert(1) grayscale(100%) brightness(200%);
}

/* Visually Hidden (replaces sr-only) */
.visually-hidden,
.visually-hidden-focusable:not(:focus):not(:focus-within) {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Map sr-only to visually-hidden */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Spacing utilities - Start/End (RTL support) */
.ms-0 { margin-left: 0 !important; }
.ms-1 { margin-left: 0.25rem !important; }
.ms-2 { margin-left: 0.5rem !important; }
.ms-3 { margin-left: 1rem !important; }
.ms-4 { margin-left: 1.5rem !important; }
.ms-5 { margin-left: 3rem !important; }
.ms-auto { margin-left: auto !important; }

.me-0 { margin-right: 0 !important; }
.me-1 { margin-right: 0.25rem !important; }
.me-2 { margin-right: 0.5rem !important; }
.me-3 { margin-right: 1rem !important; }
.me-4 { margin-right: 1.5rem !important; }
.me-5 { margin-right: 3rem !important; }
.me-auto { margin-right: auto !important; }

.ps-0 { padding-left: 0 !important; }
.ps-1 { padding-left: 0.25rem !important; }
.ps-2 { padding-left: 0.5rem !important; }
.ps-3 { padding-left: 1rem !important; }
.ps-4 { padding-left: 1.5rem !important; }
.ps-5 { padding-left: 3rem !important; }

.pe-0 { padding-right: 0 !important; }
.pe-1 { padding-right: 0.25rem !important; }
.pe-2 { padding-right: 0.5rem !important; }
.pe-3 { padding-right: 1rem !important; }
.pe-4 { padding-right: 1.5rem !important; }
.pe-5 { padding-right: 3rem !important; }

/* Gap utilities */
.gap-0 { gap: 0 !important; }
.gap-1 { gap: 0.25rem !important; }
.gap-2 { gap: 0.5rem !important; }
.gap-3 { gap: 1rem !important; }
.gap-4 { gap: 1.5rem !important; }
.gap-5 { gap: 3rem !important; }

/* Input Group Bootstrap 5 (no prepend/append wrappers) */
.input-group > .btn {
  position: relative;
  z-index: 2;
}

.input-group > .form-control:not(:last-child),
.input-group > .form-select:not(:last-child) {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-group > .form-control:not(:first-child),
.input-group > .form-select:not(:first-child) {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.input-group:not(.has-validation) > :not(:last-child):not(.dropdown-toggle):not(.dropdown-menu),
.input-group:not(.has-validation) > .dropdown-toggle:nth-last-child(n+3) {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-group > :not(:first-child):not(.dropdown-menu):not(.valid-tooltip):not(.valid-feedback):not(.invalid-tooltip):not(.invalid-feedback) {
  margin-left: -1px;
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

/* Form validation states */
.is-valid ~ .valid-feedback,
.is-valid ~ .valid-tooltip,
.was-validated :valid ~ .valid-feedback,
.was-validated :valid ~ .valid-tooltip {
  display: block;
}

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

.valid-feedback {
  display: none;
  width: 100%;
  margin-top: 0.25rem;
  font-size: 0.875em;
  color: #17c671;
}

.invalid-feedback {
  display: none;
  width: 100%;
  margin-top: 0.25rem;
  font-size: 0.875em;
  color: #c4183c;
}

.form-control.is-valid,
.was-validated .form-control:valid {
  border-color: #17c671;
  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='%2317c671' 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);
}

.form-control.is-invalid,
.was-validated .form-control:invalid {
  border-color: #c4183c;
  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='%23c4183c'%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='%23c4183c' 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);
}

/* Accordion Bootstrap 5 */
.accordion-button {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  padding: 1rem 1.25rem;
  font-size: 1rem;
  color: #212529;
  text-align: left;
  background-color: #fff;
  border: 0;
  border-radius: 0;
  overflow-anchor: none;
  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out, border-radius 0.15s ease;
}

.accordion-button:not(.collapsed) {
  color: #0062cc;
  background-color: #e6f2ff;
  box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.125);
}

.accordion-button::after {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  margin-left: auto;
  content: "";
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23212529'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-size: 1.25rem;
  transition: transform 0.2s ease-in-out;
}

.accordion-button:not(.collapsed)::after {
  transform: rotate(-180deg);
}

.accordion-body {
  padding: 1rem 1.25rem;
}

.accordion-item {
  background-color: #fff;
  border: 1px solid rgba(0, 0, 0, 0.125);
}

.accordion-item:first-of-type {
  border-top-left-radius: 0.375rem;
  border-top-right-radius: 0.375rem;
}

.accordion-item:last-of-type {
  border-bottom-right-radius: 0.375rem;
  border-bottom-left-radius: 0.375rem;
}

/* Offcanvas */
.offcanvas {
  position: fixed;
  bottom: 0;
  z-index: 1045;
  display: flex;
  flex-direction: column;
  max-width: 100%;
  visibility: hidden;
  background-color: #fff;
  background-clip: padding-box;
  outline: 0;
  transition: transform 0.3s ease-in-out;
}

.offcanvas-start {
  top: 0;
  left: 0;
  width: 400px;
  border-right: 1px solid rgba(0, 0, 0, 0.2);
  transform: translateX(-100%);
}

.offcanvas-end {
  top: 0;
  right: 0;
  width: 400px;
  border-left: 1px solid rgba(0, 0, 0, 0.2);
  transform: translateX(100%);
}

.offcanvas-top {
  top: 0;
  right: 0;
  left: 0;
  height: 30vh;
  max-height: 100%;
  border-bottom: 1px solid rgba(0, 0, 0, 0.2);
  transform: translateY(-100%);
}

.offcanvas-bottom {
  right: 0;
  left: 0;
  height: 30vh;
  max-height: 100%;
  border-top: 1px solid rgba(0, 0, 0, 0.2);
  transform: translateY(100%);
}

.offcanvas.show {
  transform: none;
  visibility: visible;
}

.offcanvas-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1rem;
}

.offcanvas-title {
  margin-bottom: 0;
  line-height: 1.5;
}

.offcanvas-body {
  flex-grow: 1;
  padding: 1rem 1rem;
  overflow-y: auto;
}

.offcanvas-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1040;
  width: 100vw;
  height: 100vh;
  background-color: #000;
}

.offcanvas-backdrop.fade {
  opacity: 0;
}

.offcanvas-backdrop.show {
  opacity: 0.5;
}

/* Stack and vstack/hstack utilities */
.vstack {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  align-self: stretch;
}

.hstack {
  display: flex;
  flex-direction: row;
  align-items: center;
  align-self: stretch;
}

/* Ratio utilities */
.ratio {
  position: relative;
  width: 100%;
}

.ratio::before {
  display: block;
  padding-top: var(--bs-aspect-ratio);
  content: "";
}

.ratio > * {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.ratio-1x1 {
  --bs-aspect-ratio: 100%;
}

.ratio-4x3 {
  --bs-aspect-ratio: 75%;
}

.ratio-16x9 {
  --bs-aspect-ratio: 56.25%;
}

.ratio-21x9 {
  --bs-aspect-ratio: 42.857143%;
}

/* Form select */
.form-select {
  display: block;
  width: 100%;
  padding: 0.375rem 2.25rem 0.375rem 0.75rem;
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.5;
  color: #495057;
  background-color: #fff;
  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: 1px solid #becad6;
  border-radius: 0.375rem;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
  appearance: none;
}

.form-select:focus {
  border-color: #007bff;
  outline: 0;
  box-shadow: 0 0 0 0.25rem rgba(0, 123, 255, 0.25);
}

.form-select:disabled {
  background-color: #e9ecef;
}

.form-select-sm {
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
  padding-left: 0.5rem;
  font-size: 0.875rem;
  border-radius: 0.25rem;
}

.form-select-lg {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  padding-left: 1rem;
  font-size: 1.25rem;
  border-radius: 0.5rem;
}

/* Text utilities */
.text-start { text-align: left !important; }
.text-end { text-align: right !important; }
.text-center { text-align: center !important; }

/* Float utilities */
.float-start { float: left !important; }
.float-end { float: right !important; }
.float-none { float: none !important; }

/* Opacity utilities */
.opacity-0 { opacity: 0 !important; }
.opacity-25 { opacity: 0.25 !important; }
.opacity-50 { opacity: 0.5 !important; }
.opacity-75 { opacity: 0.75 !important; }
.opacity-100 { opacity: 1 !important; }

/* Shadow utilities */
.shadow-sm { box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important; }
.shadow { box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important; }
.shadow-lg { box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175) !important; }
.shadow-none { box-shadow: none !important; }

/* Position utilities */
.top-0 { top: 0 !important; }
.top-50 { top: 50% !important; }
.top-100 { top: 100% !important; }
.bottom-0 { bottom: 0 !important; }
.bottom-50 { bottom: 50% !important; }
.bottom-100 { bottom: 100% !important; }
.start-0 { left: 0 !important; }
.start-50 { left: 50% !important; }
.start-100 { left: 100% !important; }
.end-0 { right: 0 !important; }
.end-50 { right: 50% !important; }
.end-100 { right: 100% !important; }

.translate-middle {
  transform: translate(-50%, -50%) !important;
}

.translate-middle-x {
  transform: translateX(-50%) !important;
}

.translate-middle-y {
  transform: translateY(-50%) !important;
}

/* Border utilities */
.border-start { border-left: 1px solid #dee2e6 !important; }
.border-end { border-right: 1px solid #dee2e6 !important; }
.border-start-0 { border-left: 0 !important; }
.border-end-0 { border-right: 0 !important; }

.rounded-start {
  border-bottom-left-radius: 0.375rem !important;
  border-top-left-radius: 0.375rem !important;
}

.rounded-end {
  border-bottom-right-radius: 0.375rem !important;
  border-top-right-radius: 0.375rem !important;
}

/* Link utilities */
.link-primary { color: #007bff !important; }
.link-secondary { color: #5a6169 !important; }
.link-success { color: #17c671 !important; }
.link-danger { color: #c4183c !important; }
.link-warning { color: #ffb400 !important; }
.link-info { color: #00b8d8 !important; }
.link-light { color: #e9ecef !important; }
.link-dark { color: #212529 !important; }

/* Object fit utilities */
.object-fit-contain { object-fit: contain !important; }
.object-fit-cover { object-fit: cover !important; }
.object-fit-fill { object-fit: fill !important; }
.object-fit-scale { object-fit: scale-down !important; }
.object-fit-none { object-fit: none !important; }

/* Z-index utilities */
.z-n1 { z-index: -1 !important; }
.z-0 { z-index: 0 !important; }
.z-1 { z-index: 1 !important; }
.z-2 { z-index: 2 !important; }
.z-3 { z-index: 3 !important; }