/*!
 * Bootstrap Slim v5 — nrg.ro custom extract
 * Only includes: reboot basics, grid, offcanvas, collapse, transitions,
 * buttons, spinner, and used utilities.
 * Original: 227KB → This: ~15KB
 */

/* ============================================================
   REBOOT ESSENTIALS
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", "Liberation Sans", Arial, sans-serif;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: #212529;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

h1, h2, h3, h4, h5, h6 { margin-top: 0; margin-bottom: 0.5rem; font-weight: 500; line-height: 1.2; }
p { margin-top: 0; margin-bottom: 1rem; }

a { color: #0d6efd; text-decoration: underline; }
a:not([href]):not([class]), a:not([href]):not([class]):hover { color: inherit; text-decoration: none; }

img, svg { vertical-align: middle; }
img { max-width: 100%; height: auto; }

button, input, optgroup, select, textarea {
  margin: 0;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}
button, select { text-transform: none; }
button, [type="button"], [type="reset"], [type="submit"] {
  -webkit-appearance: button;
  appearance: button;
}

ol, ul { padding-left: 2rem; }
ol, ul, dl { margin-top: 0; margin-bottom: 1rem; }

hr { margin: 1rem 0; color: inherit; border: 0; border-top: 1px solid; opacity: 0.25; }

table { caption-side: bottom; border-collapse: collapse; }
label { display: inline-block; }
small { font-size: 0.875em; }
strong { font-weight: bolder; }

/* ============================================================
   CONTAINER
   ============================================================ */
.container {
  width: 100%;
  padding-right: 0.75rem;
  padding-left: 0.75rem;
  margin-right: auto;
  margin-left: auto;
}
.container-fluid {
  width: 100%;
  padding-right: 0.75rem;
  padding-left: 0.75rem;
  margin-right: auto;
  margin-left: auto;
}
@media (min-width: 576px) { .container { max-width: 540px; } }
@media (min-width: 768px) { .container { max-width: 720px; } }
@media (min-width: 992px) { .container { max-width: 960px; } }
@media (min-width: 1200px) { .container { max-width: 1140px; } }
@media (min-width: 1400px) { .container { max-width: 1320px; } }

/* ============================================================
   GRID
   ============================================================ */
.row {
  display: flex;
  flex-wrap: wrap;
  margin-top: 0;
  margin-right: -0.75rem;
  margin-left: -0.75rem;
}
.row > * {
  flex-shrink: 0;
  width: 100%;
  max-width: 100%;
  padding-right: 0.75rem;
  padding-left: 0.75rem;
}

/* Column classes */
.col-12 { flex: 0 0 auto; width: 100%; }

@media (min-width: 576px) {
  .col-sm-4 { flex: 0 0 auto; width: 33.333333%; }
  .col-sm-6 { flex: 0 0 auto; width: 50%; }
  .col-sm-8 { flex: 0 0 auto; width: 66.666667%; }
}
@media (min-width: 768px) {
  .col-md-3 { flex: 0 0 auto; width: 25%; }
  .col-md-4 { flex: 0 0 auto; width: 33.333333%; }
  .col-md-5 { flex: 0 0 auto; width: 41.666667%; }
  .col-md-6 { flex: 0 0 auto; width: 50%; }
}
@media (min-width: 992px) {
  .col-lg-2 { flex: 0 0 auto; width: 16.666667%; }
  .col-lg-3 { flex: 0 0 auto; width: 25%; }
  .col-lg-5 { flex: 0 0 auto; width: 41.666667%; }
  .col-lg-7 { flex: 0 0 auto; width: 58.333333%; }
  .col-lg-9 { flex: 0 0 auto; width: 75%; }
}

/* Gutters */
.g-3 { --bs-gutter-x: 1rem; --bs-gutter-y: 1rem; }
.g-4 { --bs-gutter-x: 1.5rem; --bs-gutter-y: 1.5rem; }
.g-5 { --bs-gutter-x: 3rem; --bs-gutter-y: 3rem; }
.g-3, .g-4, .g-5 { margin-right: calc(-0.5 * var(--bs-gutter-x)); margin-left: calc(-0.5 * var(--bs-gutter-x)); }
.g-3 > *, .g-4 > *, .g-5 > * { padding-right: calc(var(--bs-gutter-x) * 0.5); padding-left: calc(var(--bs-gutter-x) * 0.5); }
.row.g-3, .row.g-4, .row.g-5 { margin-top: calc(-1 * var(--bs-gutter-y)); }
.row.g-3 > *, .row.g-4 > *, .row.g-5 > * { margin-top: var(--bs-gutter-y); }

/* ============================================================
   TRANSITIONS (shared by offcanvas + collapse)
   ============================================================ */
.fade { transition: opacity 0.15s linear; }
.fade:not(.show) { opacity: 0; }
.collapsing {
  height: 0;
  overflow: hidden;
  transition: height 0.35s ease;
}

/* ============================================================
   COLLAPSE
   ============================================================ */
.collapse:not(.show) { display: none; }
.collapse.show { display: block; }

/* ============================================================
   OFFCANVAS
   ============================================================ */
.offcanvas,
.offcanvas-lg {
  position: fixed;
  bottom: 0;
  z-index: 1045;
  display: flex;
  flex-direction: column;
  max-width: 100%;
  color: #212529;
  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: 300px;
  border-right: 1px solid rgba(0, 0, 0, 0.175);
  transform: translateX(-100%);
}

.offcanvas.showing,
.offcanvas.show:not(.hiding) {
  transform: none;
}
.offcanvas.showing,
.offcanvas.hiding,
.offcanvas.show {
  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; }

/* Responsive offcanvas-lg: offcanvas only below 992px */
@media (max-width: 991.98px) {
  .offcanvas-lg {
    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-lg.offcanvas-start {
    top: 0;
    left: 0;
    width: 300px;
    border-right: 1px solid rgba(0, 0, 0, 0.175);
    transform: translateX(-100%);
  }
  .offcanvas-lg.showing,
  .offcanvas-lg.show:not(.hiding) {
    transform: none;
  }
  .offcanvas-lg.showing,
  .offcanvas-lg.hiding,
  .offcanvas-lg.show {
    visibility: visible;
  }
}
@media (min-width: 992px) {
  .offcanvas-lg {
    --bs-offcanvas-height: auto;
    --bs-offcanvas-border-width: 0;
    background-color: transparent !important;
    position: static;
    visibility: visible !important;
    transform: none;
    border: none !important;
    z-index: auto;
  }
  .offcanvas-lg .offcanvas-header { display: none; }
  .offcanvas-lg .offcanvas-body {
    display: flex;
    flex-grow: 0;
    padding: 0;
    overflow-y: visible;
    background-color: transparent !important;
  }
}

/* ============================================================
   BTN-CLOSE
   ============================================================ */
.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;
  cursor: pointer;
}
.btn-close:hover { opacity: 0.75; }
.btn-close:focus { outline: 0; box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25); opacity: 1; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-block;
  font-weight: 400;
  line-height: 1.5;
  color: #212529;
  text-align: center;
  text-decoration: none;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  background-color: transparent;
  border: 1px solid transparent;
  padding: 0.375rem 0.75rem;
  font-size: 1rem;
  border-radius: 0.375rem;
  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;
}
.btn-outline-dark {
  color: #212529;
  border-color: #212529;
}
.btn-outline-dark:hover {
  color: #fff;
  background-color: #212529;
  border-color: #212529;
}
.btn-light {
  color: #000;
  background-color: #f8f9fa;
  border-color: #f8f9fa;
}
.btn-light:hover {
  color: #000;
  background-color: #d3d4d5;
  border-color: #c6c7c8;
}
.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
  border-radius: 0.25rem;
}
.btn-link {
  font-weight: 400;
  color: #0d6efd;
  text-decoration: underline;
  background-color: transparent;
  border-color: transparent;
}

/* ============================================================
   SPINNER
   ============================================================ */
.spinner-border {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  vertical-align: -0.125em;
  border: 0.25em solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spinner-border 0.75s linear infinite;
}
.spinner-border-sm { width: 1rem; height: 1rem; border-width: 0.2em; }
@keyframes spinner-border { to { transform: rotate(360deg); } }

/* ============================================================
   CARD (used in a few admin-adjacent views)
   ============================================================ */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  word-wrap: break-word;
  background-color: #fff;
  background-clip: border-box;
  border: 1px solid rgba(0, 0, 0, 0.175);
  border-radius: 0.375rem;
}
.card-body { flex: 1 1 auto; padding: 1rem 1rem; }

/* ============================================================
   FORM CONTROLS
   ============================================================ */
.form-control {
  display: block;
  width: 100%;
  padding: 0.375rem 0.75rem;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: #212529;
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid #ced4da;
  appearance: none;
  border-radius: 0.375rem;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}
.form-control:focus {
  color: #212529;
  background-color: #fff;
  border-color: #86b7fe;
  outline: 0;
  box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* ============================================================
   ALERT
   ============================================================ */
.alert {
  position: relative;
  padding: 1rem 1rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-radius: 0.375rem;
}
.alert-success { color: #0f5132; background-color: #d1e7dd; border-color: #badbcc; }
.alert-danger { color: #842029; background-color: #f8d7da; border-color: #f5c2c7; }

/* ============================================================
   BADGE
   ============================================================ */
.badge {
  display: inline-block;
  padding: 0.35em 0.65em;
  font-size: 0.75em;
  font-weight: 700;
  line-height: 1;
  color: #fff;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: 0.375rem;
}

/* ============================================================
   DROPDOWN (used in catalog sort)
   ============================================================ */
.dropdown { position: relative; }
.dropdown-menu {
  position: absolute;
  z-index: 1000;
  display: none;
  min-width: 10rem;
  padding: 0.5rem 0;
  margin: 0;
  font-size: 1rem;
  color: #212529;
  text-align: left;
  list-style: none;
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid rgba(0, 0, 0, 0.175);
  border-radius: 0.375rem;
}
.dropdown-menu.show { display: block; }
.dropdown-menu-end { right: 0; left: auto; }
.dropdown-item {
  display: block;
  width: 100%;
  padding: 0.25rem 1rem;
  clear: both;
  font-weight: 400;
  color: #212529;
  text-align: inherit;
  text-decoration: none;
  white-space: nowrap;
  background-color: transparent;
  border: 0;
  line-height: 1.5;
}
.dropdown-item:hover { color: #1e2125; background-color: #e9ecef; }
.dropdown-divider { height: 0; margin: 0.5rem 0; overflow: hidden; border-top: 1px solid rgba(0, 0, 0, 0.175); }

/* ============================================================
   DISPLAY UTILITIES
   ============================================================ */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-inline-block { display: inline-block !important; }
.d-inline-flex { display: inline-flex !important; }

@media (min-width: 576px) {
  .d-sm-block { display: block !important; }
}
@media (min-width: 768px) {
  .d-md-none { display: none !important; }
  .d-md-block { display: block !important; }
}
@media (min-width: 992px) {
  .d-lg-none { display: none !important; }
  .d-lg-block { display: block !important; }
}

/* ============================================================
   FLEX UTILITIES
   ============================================================ */
.flex-column { flex-direction: column !important; }
.flex-row-reverse { flex-direction: row-reverse !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-grow-1 { flex-grow: 1 !important; }
.flex-shrink-0 { flex-shrink: 0 !important; }
@media (min-width: 768px) {
  .flex-md-grow-0 { flex-grow: 0 !important; }
}
.align-items-center { align-items: center !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-end { justify-content: flex-end !important; }
@media (min-width: 992px) {
  .justify-content-lg-end { justify-content: flex-end !important; }
}

/* ============================================================
   SPACING UTILITIES
   ============================================================ */
.m-0 { margin: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 0.25rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.me-1 { margin-right: 0.25rem !important; }
.me-2 { margin-right: 0.5rem !important; }
.me-4 { margin-right: 1.5rem !important; }
.ms-auto { margin-left: auto !important; }
.p-0 { padding: 0 !important; }
.p-2 { padding: 0.5rem !important; }
.p-3 { padding: 1rem !important; }
.p-4 { padding: 1.5rem !important; }
.p-5 { padding: 3rem !important; }
.ps-3 { padding-left: 1rem !important; }
.pe-4 { padding-right: 1.5rem !important; }
.py-2 { padding-top: 0.5rem !important; padding-bottom: 0.5rem !important; }

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

/* ============================================================
   TEXT UTILITIES
   ============================================================ */
.text-center { text-align: center !important; }
.text-start { text-align: left !important; }
.text-nowrap { white-space: nowrap !important; }
.text-decoration-none { text-decoration: none !important; }
.text-muted { color: #6c757d !important; }
.text-dark { color: #212529 !important; }
.text-secondary { color: #6c757d !important; }
.text-info { color: #0dcaf0 !important; }
.text-danger { color: #dc3545 !important; }
.text-white { color: #fff !important; }
.text-reset { color: inherit !important; }
.fw-bold { font-weight: 700 !important; }
.fw-medium { font-weight: 500 !important; }
.fs-3 { font-size: calc(1.3rem + 0.6vw) !important; }

/* ============================================================
   SIZING / POSITIONING / MISC UTILITIES
   ============================================================ */
.w-100 { width: 100% !important; }
.w-50 { width: 50% !important; }
.h-100 { height: 100% !important; }
.position-relative { position: relative !important; }
.position-absolute { position: absolute !important; }
.overflow-hidden { overflow: hidden !important; }
.rounded { border-radius: 0.375rem !important; }
.rounded-3 { border-radius: 0.5rem !important; }
.shadow-none { box-shadow: none !important; }
.shadow-sm { box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important; }
.shadow-lg { box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175) !important; }
.border { border: 1px solid #dee2e6 !important; }
.border-0 { border: 0 !important; }
.border-bottom { border-bottom: 1px solid #dee2e6 !important; }
.border-danger { border-color: #dc3545 !important; }
.bg-light { background-color: #f8f9fa !important; }
.bg-white { background-color: #fff !important; }
.bg-transparent { background-color: transparent !important; }
.opacity-25 { opacity: 0.25 !important; }
.opacity-50 { opacity: 0.5 !important; }
.opacity-75 { opacity: 0.75 !important; }
.opacity-100 { opacity: 1 !important; }
.object-fit-cover { object-fit: cover !important; }
.object-fit-contain { object-fit: contain !important; }
.transition-all { transition: all 0.3s ease !important; }
.visually-hidden {
  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;
}

/* ============================================================
   ACCORDION (used in mobile menu)
   ============================================================ */
.accordion { --bs-accordion-border-radius: 0.375rem; }
.accordion-item { border: 1px solid rgba(0, 0, 0, 0.175); }
.accordion-item:first-of-type { border-top-left-radius: var(--bs-accordion-border-radius); border-top-right-radius: var(--bs-accordion-border-radius); }
.accordion-item:last-of-type { border-bottom-left-radius: var(--bs-accordion-border-radius); border-bottom-right-radius: var(--bs-accordion-border-radius); }
.accordion-collapse { transition: height 0.35s ease; }

/* ============================================================
   PAGINATION (Laravel bootstrap-4 template)
   ============================================================ */
.pagination {
  display: flex;
  padding-left: 0;
  list-style: none;
  gap: 4px;
  flex-wrap: wrap;
}
.page-link {
  position: relative;
  display: block;
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
  color: #0ea5e9;
  text-decoration: none;
  background-color: #fff;
  border: 1px solid #dee2e6;
  border-radius: 0.375rem;
  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out;
  line-height: 1.5;
}
.page-link:hover {
  color: #0284c7;
  background-color: #e9ecef;
  border-color: #dee2e6;
}
.page-item.active .page-link {
  z-index: 3;
  color: #fff;
  background-color: #0ea5e9;
  border-color: #0ea5e9;
}
.page-item.disabled .page-link {
  color: #6c757d;
  pointer-events: none;
  background-color: #fff;
  border-color: #dee2e6;
}