/* ═══════════════════════════════════════════════════════════════════
   Bootstrap Lite — minimal Bootstrap compatibility layer
   for rankedin_new design system. Uses CSS custom properties
   from rankedin_prototype.css.
   ═══════════════════════════════════════════════════════════════════ */

/* ── Grid System ── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-fluid {
  width: 100%;
  padding: 0 24px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -12px;
}

.row > [class*="col-"] {
  padding: 0 12px;
  flex: 1 0 0%;
}

.col { flex: 1 0 0%; }
.col-auto { flex: 0 0 auto; width: auto; }

/* 12-column grid */
.col-1  { flex: 0 0 8.333333%;  max-width: 8.333333%; }
.col-2  { flex: 0 0 16.666667%; max-width: 16.666667%; }
.col-3  { flex: 0 0 25%;        max-width: 25%; }
.col-4  { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-5  { flex: 0 0 41.666667%; max-width: 41.666667%; }
.col-6  { flex: 0 0 50%;        max-width: 50%; }
.col-7  { flex: 0 0 58.333333%; max-width: 58.333333%; }
.col-8  { flex: 0 0 66.666667%; max-width: 66.666667%; }
.col-9  { flex: 0 0 75%;        max-width: 75%; }
.col-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
.col-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
.col-12 { flex: 0 0 100%;       max-width: 100%; }

/* Responsive */
@media (min-width: 576px) {
  .col-sm-1  { flex: 0 0 8.333333%;  max-width: 8.333333%; }
  .col-sm-2  { flex: 0 0 16.666667%; max-width: 16.666667%; }
  .col-sm-3  { flex: 0 0 25%;        max-width: 25%; }
  .col-sm-4  { flex: 0 0 33.333333%; max-width: 33.333333%; }
  .col-sm-5  { flex: 0 0 41.666667%; max-width: 41.666667%; }
  .col-sm-6  { flex: 0 0 50%;        max-width: 50%; }
  .col-sm-7  { flex: 0 0 58.333333%; max-width: 58.333333%; }
  .col-sm-8  { flex: 0 0 66.666667%; max-width: 66.666667%; }
  .col-sm-9  { flex: 0 0 75%;        max-width: 75%; }
  .col-sm-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
  .col-sm-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
  .col-sm-12 { flex: 0 0 100%;       max-width: 100%; }
}

@media (min-width: 768px) {
  .col-md-1  { flex: 0 0 8.333333%;  max-width: 8.333333%; }
  .col-md-2  { flex: 0 0 16.666667%; max-width: 16.666667%; }
  .col-md-3  { flex: 0 0 25%;        max-width: 25%; }
  .col-md-4  { flex: 0 0 33.333333%; max-width: 33.333333%; }
  .col-md-5  { flex: 0 0 41.666667%; max-width: 41.666667%; }
  .col-md-6  { flex: 0 0 50%;        max-width: 50%; }
  .col-md-7  { flex: 0 0 58.333333%; max-width: 58.333333%; }
  .col-md-8  { flex: 0 0 66.666667%; max-width: 66.666667%; }
  .col-md-9  { flex: 0 0 75%;        max-width: 75%; }
  .col-md-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
  .col-md-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
  .col-md-12 { flex: 0 0 100%;       max-width: 100%; }
}

@media (min-width: 1024px) {
  .col-lg-1  { flex: 0 0 8.333333%;  max-width: 8.333333%; }
  .col-lg-2  { flex: 0 0 16.666667%; max-width: 16.666667%; }
  .col-lg-3  { flex: 0 0 25%;        max-width: 25%; }
  .col-lg-4  { flex: 0 0 33.333333%; max-width: 33.333333%; }
  .col-lg-5  { flex: 0 0 41.666667%; max-width: 41.666667%; }
  .col-lg-6  { flex: 0 0 50%;        max-width: 50%; }
  .col-lg-7  { flex: 0 0 58.333333%; max-width: 58.333333%; }
  .col-lg-8  { flex: 0 0 66.666667%; max-width: 66.666667%; }
  .col-lg-9  { flex: 0 0 75%;        max-width: 75%; }
  .col-lg-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
  .col-lg-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
  .col-lg-12 { flex: 0 0 100%;       max-width: 100%; }
}

.no-gutters {
  margin: 0;
}
.no-gutters > [class*="col-"] {
  padding: 0;
}

/* ── Button Variants ── */
.btn-primary {
  background: var(--teal);
  color: #fff;
  border-color: var(--teal);
}
.btn-primary:hover {
  background: var(--teal-light);
  box-shadow: 0 4px 12px var(--teal-glow-lg);
}

.btn-secondary {
  background: var(--surface-hover);
  color: var(--text);
  border-color: var(--surface-border);
}
.btn-secondary:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.btn-success {
  background: #28a745;
  color: #fff;
  border-color: #28a745;
}
.btn-success:hover {
  opacity: 0.9;
}

.btn-danger {
  background: #dc3545;
  color: #fff;
  border-color: #dc3545;
}
.btn-danger:hover {
  opacity: 0.85;
}

.btn-warning {
  background: #ffc107;
  color: #212529;
  border-color: #ffc107;
}

.btn-info {
  background: #17a2b8;
  color: #fff;
  border-color: #17a2b8;
}

.btn-light {
  background: var(--surface-hover);
  color: var(--text);
  border-color: var(--surface-border);
}

.btn-dark {
  background: #343a40;
  color: #fff;
  border-color: #343a40;
}

.btn-group {
  display: inline-flex;
  gap: 0;
}
.btn-group > .btn {
  border-radius: 0;
}
.btn-group > .btn:first-child {
  border-radius: var(--r-sm) 0 0 var(--r-sm);
}
.btn-group > .btn:last-child {
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

.btn-block {
  display: block;
  width: 100%;
}

.btn-toolbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ── Modal Structure ── */
.modal-dialog {
  max-width: 600px;
  margin: 48px auto;
  position: relative;
}

.modal-content {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.modal-title {
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin: 0;
}

.fade {
  opacity: 0;
  transition: opacity 0.3s ease;
}
.fade.show {
  opacity: 1;
}

/* Legacy modal close */
.modal .close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-muted);
  line-height: 1;
}
.modal .close:hover {
  color: var(--text);
}

/* ── Tables ── */
.table-striped tbody tr:nth-child(odd) {
  background: var(--surface-hover);
}

.table-bordered {
  border: 1px solid var(--surface-border);
}
.table-bordered th,
.table-bordered td {
  border: 1px solid var(--surface-border);
}

.table-hover tbody tr:hover {
  background: var(--surface-hover);
}

.table-condensed th,
.table-condensed td {
  padding: 4px 8px;
}

.table-sm th,
.table-sm td {
  padding: 6px 10px;
  font-size: 13px;
}

/* ── Forms ── */
.form-inline {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.input-group {
  display: flex;
  align-items: stretch;
}
.input-group > .form-control {
  flex: 1;
  border-radius: var(--r-sm) 0 0 var(--r-sm);
}
.input-group > .btn,
.input-group > .input-group-text {
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

.input-group-text {
  display: flex;
  align-items: center;
  padding: 8px 14px;
  background: var(--surface-hover);
  border: 1px solid var(--surface-border);
  color: var(--text-muted);
  font-size: 14px;
}

.custom-select {
  appearance: none;
  padding: 8px 32px 8px 14px;
  border-radius: var(--r-sm);
  border: 1px solid var(--surface-border);
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Display Utilities ── */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }

/* ── Text Utilities ── */
.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }
.text-muted { color: var(--text-muted) !important; }
.text-danger { color: var(--danger-text) !important; }
.text-success { color: var(--good-text) !important; }
.text-warning { color: var(--warn-text) !important; }
.text-info { color: var(--info-text) !important; }

/* ── Float & Clearfix ── */
.float-left { float: left !important; }
.float-right { float: right !important; }
.clearfix::after {
  content: "";
  display: table;
  clear: both;
}

.visible { visibility: visible !important; }
.invisible { visibility: hidden !important; }

/* ── Spacing Utilities ── */
.m-auto { margin: auto !important; }
.mx-auto { margin-left: auto !important; margin-right: auto !important; }
.my-auto { margin-top: auto !important; margin-bottom: auto !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: 4px !important; }
.p-2 { padding: 8px !important; }
.p-3 { padding: 12px !important; }
.p-4 { padding: 16px !important; }
.p-5 { padding: 24px !important; }

.m-0 { margin: 0 !important; }
.m-1 { margin: 4px !important; }
.m-2 { margin: 8px !important; }
.m-3 { margin: 12px !important; }
.m-4 { margin: 16px !important; }
.m-5 { margin: 24px !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 4px !important; }
.mt-2 { margin-top: 8px !important; }
.mt-3 { margin-top: 12px !important; }
.mt-4 { margin-top: 16px !important; }
.mt-5 { margin-top: 24px !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 4px !important; }
.mb-2 { margin-bottom: 8px !important; }
.mb-3 { margin-bottom: 12px !important; }
.mb-4 { margin-bottom: 16px !important; }
.mb-5 { margin-bottom: 24px !important; }

.ml-0 { margin-left: 0 !important; }
.ml-1 { margin-left: 4px !important; }
.ml-2 { margin-left: 8px !important; }
.ml-3 { margin-left: 12px !important; }
.ml-4 { margin-left: 16px !important; }
.ml-5 { margin-left: 24px !important; }

.mr-0 { margin-right: 0 !important; }
.mr-1 { margin-right: 4px !important; }
.mr-2 { margin-right: 8px !important; }
.mr-3 { margin-right: 12px !important; }
.mr-4 { margin-right: 16px !important; }
.mr-5 { margin-right: 24px !important; }

.mx-0 { margin-left: 0 !important; margin-right: 0 !important; }
.mx-1 { margin-left: 4px !important; margin-right: 4px !important; }
.mx-2 { margin-left: 8px !important; margin-right: 8px !important; }
.mx-3 { margin-left: 12px !important; margin-right: 12px !important; }
.mx-4 { margin-left: 16px !important; margin-right: 16px !important; }
.mx-5 { margin-left: 24px !important; margin-right: 24px !important; }

.my-0 { margin-top: 0 !important; margin-bottom: 0 !important; }
.my-1 { margin-top: 4px !important; margin-bottom: 4px !important; }
.my-2 { margin-top: 8px !important; margin-bottom: 8px !important; }
.my-3 { margin-top: 12px !important; margin-bottom: 12px !important; }
.my-4 { margin-top: 16px !important; margin-bottom: 16px !important; }
.my-5 { margin-top: 24px !important; margin-bottom: 24px !important; }

.pt-0 { padding-top: 0 !important; }
.pt-1 { padding-top: 4px !important; }
.pt-2 { padding-top: 8px !important; }
.pt-3 { padding-top: 12px !important; }
.pt-4 { padding-top: 16px !important; }
.pt-5 { padding-top: 24px !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-1 { padding-bottom: 4px !important; }
.pb-2 { padding-bottom: 8px !important; }
.pb-3 { padding-bottom: 12px !important; }
.pb-4 { padding-bottom: 16px !important; }
.pb-5 { padding-bottom: 24px !important; }

.pl-0 { padding-left: 0 !important; }
.pl-1 { padding-left: 4px !important; }
.pl-2 { padding-left: 8px !important; }
.pl-3 { padding-left: 12px !important; }
.pl-4 { padding-left: 16px !important; }
.pl-5 { padding-left: 24px !important; }

.pr-0 { padding-right: 0 !important; }
.pr-1 { padding-right: 4px !important; }
.pr-2 { padding-right: 8px !important; }
.pr-3 { padding-right: 12px !important; }
.pr-4 { padding-right: 16px !important; }
.pr-5 { padding-right: 24px !important; }

.px-0 { padding-left: 0 !important; padding-right: 0 !important; }
.px-1 { padding-left: 4px !important; padding-right: 4px !important; }
.px-2 { padding-left: 8px !important; padding-right: 8px !important; }
.px-3 { padding-left: 12px !important; padding-right: 12px !important; }
.px-4 { padding-left: 16px !important; padding-right: 16px !important; }
.px-5 { padding-left: 24px !important; padding-right: 24px !important; }

.py-0 { padding-top: 0 !important; padding-bottom: 0 !important; }
.py-1 { padding-top: 4px !important; padding-bottom: 4px !important; }
.py-2 { padding-top: 8px !important; padding-bottom: 8px !important; }
.py-3 { padding-top: 12px !important; padding-bottom: 12px !important; }
.py-4 { padding-top: 16px !important; padding-bottom: 16px !important; }
.py-5 { padding-top: 24px !important; padding-bottom: 24px !important; }

/* ── Flexbox ── */
.flex-row { flex-direction: row !important; }
.flex-column { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }

.justify-content-start { justify-content: flex-start !important; }
.justify-content-end { justify-content: flex-end !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-around { justify-content: space-around !important; }

.align-items-start { align-items: flex-start !important; }
.align-items-end { align-items: flex-end !important; }
.align-items-center { align-items: center !important; }
.align-items-stretch { align-items: stretch !important; }

.align-self-start { align-self: flex-start !important; }
.align-self-end { align-self: flex-end !important; }
.align-self-center { align-self: center !important; }

/* ── Display / Visibility ── */
.collapse:not(.show) { display: none; }
.collapsing {
  height: 0;
  overflow: hidden;
  transition: height 0.35s ease;
}
.show { display: block !important; }

/* ── Badge Variants ── */
.badge-primary { background: var(--blue); color: #fff; }
.badge-secondary { background: var(--surface-hover); color: var(--text-muted); }
.badge-success { background: var(--good-bg); color: var(--good-text); }
.badge-danger { background: var(--danger-bg); color: var(--danger-text); }
.badge-warning { background: var(--warn-bg); color: var(--warn-text); }
.badge-info { background: var(--info-bg); color: var(--info-text); }

/* ── Dropdowns ── */
.dropdown { position: relative; display: inline-block; }
.dropdown-toggle::after {
  content: "";
  display: inline-block;
  margin-left: 6px;
  vertical-align: middle;
  border-top: 4px solid;
  border-right: 4px solid transparent;
  border-left: 4px solid transparent;
}
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 1000;
  display: none;
  min-width: 160px;
  padding: 8px 0;
  margin: 4px 0 0;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--r-sm);
  box-shadow: var(--shadow-lg);
  list-style: none;
}
.dropdown-menu.show { display: block; }
.dropdown-item {
  display: block;
  padding: 8px 16px;
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  cursor: pointer;
  transition: background var(--transition);
}
.dropdown-item:hover {
  background: var(--surface-hover);
  color: var(--teal);
}
.dropup .dropdown-menu {
  top: auto;
  bottom: 100%;
  margin-bottom: 4px;
}

/* ── Nav / Navbar ── */
.nav-tabs {
  display: flex;
  gap: 2px;
  margin-bottom: 20px;
  background: var(--surface);
  padding: 4px;
  border-radius: var(--r-sm);
  border: 1px solid var(--surface-border);
}
.nav-link {
  display: block;
  padding: 10px 16px;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: var(--r-sm);
  transition: all var(--transition);
}
.nav-link:hover {
  background: var(--surface-hover);
  color: var(--text);
}
.nav-link.active {
  background: var(--teal);
  color: #fff;
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
}
.navbar-nav {
  display: flex;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}

/* ── Pagination ── */
.page-item {
  display: inline-block;
}
.page-link {
  display: block;
  padding: 8px 14px;
  color: var(--text-muted);
  text-decoration: none;
  border: 1px solid var(--surface-border);
  border-radius: var(--r-sm);
  transition: all var(--transition);
}
.page-link:hover {
  background: var(--surface-hover);
  color: var(--teal);
  border-color: var(--teal);
}
.page-item.active .page-link {
  background: var(--teal);
  color: #fff;
  border-color: var(--teal);
}

/* ── Lists ── */
.list-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.list-group-item {
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--r-sm);
}
.list-unstyled {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* ── Position ── */
.position-relative { position: relative !important; }
.position-absolute { position: absolute !important; }
.fixed-top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
}
.sticky-top {
  position: sticky;
  top: 0;
  z-index: 1020;
}

/* ── Sizing ── */
.w-25 { width: 25% !important; }
.w-50 { width: 50% !important; }
.w-75 { width: 75% !important; }
.w-100 { width: 100% !important; }
.h-25 { height: 25% !important; }
.h-50 { height: 50% !important; }
.h-75 { height: 75% !important; }
.h-100 { height: 100% !important; }
.mw-100 { max-width: 100% !important; }
.mh-100 { max-height: 100% !important; }

/* ── Borders ── */
.border { border: 1px solid var(--surface-border) !important; }
.border-top { border-top: 1px solid var(--surface-border) !important; }
.border-right { border-right: 1px solid var(--surface-border) !important; }
.border-bottom { border-bottom: 1px solid var(--surface-border) !important; }
.border-left { border-left: 1px solid var(--surface-border) !important; }
.border-0 { border: 0 !important; }
.rounded { border-radius: var(--r-sm) !important; }
.rounded-0 { border-radius: 0 !important; }
.rounded-circle { border-radius: 50% !important; }

/* ── Rin Card (legacy compatibility) ── */
.rin-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-sm);
  padding: 16px;
}

.rin-card-border {
  border: 1px solid var(--surface-border);
}

.rin-card-no-shadow {
  box-shadow: none;
}

.rin-card-bg-secondary {
  background: var(--surface-hover);
}

.rin-card-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--surface-border);
  font-weight: 600;
}

.rin-card-body {
  padding: 16px;
}

.rin-card-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--surface-border);
}

.rin-card-title {
  font-family: 'Outfit', sans-serif;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

/* ── Jumbotron ── */
.jumbotron {
  padding: 48px 32px;
  background: var(--surface);
  border-radius: var(--r-lg);
  margin-bottom: 32px;
}

/* ── Spinner ── */
.spinner-border {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--surface-border);
  border-top-color: var(--teal);
  border-radius: 50%;
  animation: spinner-border 0.75s linear infinite;
}
@keyframes spinner-border {
  to { transform: rotate(360deg); }
}