/* ============================================================
   MSBTE Store — Study Material Selector  |  selector.css
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --ms-orange:       #f47920;
  --ms-orange2:      #e06610;
  --ms-orange-lt:    #fff4ec;
  --ms-orange-pale:  #fde8d4;
  --ms-navy:         #1a2e5a;
  --ms-navy2:        #0e1b38;
  --ms-blue:         #3a9fd6;
  --ms-ink:          #111827;
  --ms-muted:        #6b7280;
  --ms-border:       #e5e7eb;
  --ms-gray:         #f9fafb;
  --ms-green:        #16a34a;
  --ms-green-lt:     #f0fdf4;
  --ms-white:        #ffffff;
}

/* ── Wrapper ── */
.msbte-sel-wrap {
  font-family: 'Poppins', sans-serif !important;
  max-width: 1400px;
  margin: 0 auto;
  padding: 70px 40px 90px;
  position: relative;
}
.msbte-sel-wrap *,
.msbte-sel-wrap *::before,
.msbte-sel-wrap *::after { box-sizing: border-box; }

/* top accent line */
.msbte-sel-wrap::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--ms-orange), var(--ms-blue), var(--ms-orange));
  border-radius: 2px 2px 0 0;
}

/* ── Header ── */
.msbte-sel-header { text-align: center; margin-bottom: 52px; }
.msbte-eyebrow {
  display: block;
  font-size: 11px; font-weight: 700; letter-spacing: 2.5px;
  text-transform: uppercase; color: var(--ms-orange); margin-bottom: 10px;
}
.msbte-sec-title {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 800;
  letter-spacing: -1px; line-height: 1.15;
  color: var(--ms-ink); margin: 0 0 10px;
}
.msbte-sec-sub {
  font-size: 14px; color: var(--ms-muted); line-height: 1.75;
  max-width: 540px; margin: 0 auto; font-weight: 400;
}

/* ── Step indicators ── */
.msbte-steps {
  display: flex; align-items: center;
  max-width: 560px; margin: 0 auto 52px;
}
.msbte-step-item { display: flex; flex-direction: column; align-items: center; gap: 7px; flex: 1; }
.msbte-step-circle {
  width: 44px; height: 44px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700;
  border: 2px solid var(--ms-border); background: var(--ms-white);
  color: var(--ms-muted); transition: all .35s; position: relative; z-index: 1;
}
.msbte-step-circle.active  { background: var(--ms-orange); border-color: var(--ms-orange); color: #fff; box-shadow: 0 6px 20px rgba(244,121,32,.4); }
.msbte-step-circle.done    { background: var(--ms-green);  border-color: var(--ms-green);  color: #fff; }
.msbte-step-label { font-size: 11px; font-weight: 600; color: var(--ms-muted); text-align: center; white-space: nowrap; }
.msbte-step-label.active { color: var(--ms-orange); }
.msbte-step-label.done   { color: var(--ms-green); }
.msbte-step-line { flex: 1; height: 2px; background: var(--ms-border); margin-top: -22px; margin-bottom: 29px; transition: background .35s; }
.msbte-step-line.done { background: var(--ms-green); }

/* ── Panels ── */
.msbte-panel { display: none; }
.msbte-panel.active { display: block; animation: msbteFadeUp .35s ease both; }

/* ── PANEL 1: Material Types — single row 4 cols ── */
.msbte-mtype-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
}
.msbte-mtype-card {
  background: var(--ms-white);
  border: 2px solid var(--ms-border);
  border-radius: 20px; padding: 26px 22px 22px;
  cursor: pointer; transition: all .28s;
  position: relative; overflow: hidden;
  display: flex; flex-direction: column;
}
.msbte-mtype-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--ms-orange), var(--ms-blue));
  transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.msbte-mtype-card:hover,
.msbte-mtype-card:focus { outline: none; border-color: var(--ms-orange); transform: translateY(-5px); box-shadow: 0 20px 52px rgba(244,121,32,.13); }
.msbte-mtype-card.selected {
  border-color: var(--ms-orange);
  box-shadow: 0 18px 44px rgba(244,121,32,.2);
  transform: translateY(-4px);
}
.msbte-mtype-card:hover::before,
.msbte-mtype-card:focus::before,
.msbte-mtype-card.selected::before { transform: scaleX(1); }

.msbte-mtype-top { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 14px; }
.msbte-mtype-icon {
  width: 50px; height: 50px; background: var(--ms-orange-lt); border-radius: 14px;
  display: flex; align-items: center; justify-content: center; transition: background .25s;
}
.msbte-mtype-icon svg { width: 22px; height: 22px; stroke: var(--ms-orange); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.msbte-mtype-card:hover .msbte-mtype-icon { background: var(--ms-orange-pale); }
.msbte-mtype-arrow {
  width: 32px; height: 32px; background: var(--ms-gray); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; transition: all .25s; flex-shrink: 0;
}
.msbte-mtype-arrow svg { width: 14px; height: 14px; stroke: var(--ms-muted); fill: none; stroke-width: 2.5; transition: stroke .25s; }
.msbte-mtype-card:hover .msbte-mtype-arrow { background: var(--ms-orange); }
.msbte-mtype-card:hover .msbte-mtype-arrow svg { stroke: #fff; }

.msbte-mtype-tag { font-size: 10px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase; color: var(--ms-orange); margin-bottom: 6px; display: block; }
.msbte-mtype-title { font-size: .98rem; font-weight: 700; color: var(--ms-ink); margin: 0 0 8px; line-height: 1.3; }
.msbte-mtype-desc { font-size: 12px; color: var(--ms-muted); line-height: 1.65; font-weight: 400; flex: 1; margin: 0; }
.msbte-mtype-footer { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--ms-border); display: flex; align-items: center; justify-content: space-between; }
.msbte-mtype-count { font-size: 11px; color: var(--ms-muted); font-weight: 500; }
.msbte-mtype-btn {
  font-size: 11px; font-weight: 700; color: var(--ms-orange);
  background: var(--ms-orange-lt); border: none; padding: 6px 14px;
  border-radius: 100px; cursor: pointer; font-family: 'Poppins', sans-serif;
  transition: all .2s;
}
.msbte-mtype-card:hover .msbte-mtype-btn { background: var(--ms-orange); color: #fff; }

/* ── PANEL 2: Branch — single row 6 cols ── */
.msbte-breadcrumb {
  display: inline-flex; align-items: center; gap: 7px; flex-wrap: wrap;
  background: var(--ms-gray); border-radius: 100px; padding: 7px 18px;
  font-size: 12px; color: var(--ms-muted); font-weight: 500; margin-bottom: 18px;
}
.msbte-bc-sep { color: var(--ms-border); font-size: 14px; }
.msbte-bc-active { color: var(--ms-orange); font-weight: 700; }

.msbte-panel-title { font-size: 1.15rem; font-weight: 700; color: var(--ms-ink); margin: 0 0 5px; }
.msbte-panel-sub { font-size: 13px; color: var(--ms-muted); font-weight: 400; margin: 0 0 28px; }

.msbte-branch-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}
.msbte-branch-card {
  background: var(--ms-white); border: 2px solid var(--ms-border); border-radius: 16px;
  padding: 20px 12px 18px; cursor: pointer; transition: all .25s;
  text-align: center; display: flex; flex-direction: column; align-items: center;
}
.msbte-branch-card:hover,
.msbte-branch-card:focus { outline: none; border-color: var(--ms-orange); transform: translateY(-4px); box-shadow: 0 12px 36px rgba(244,121,32,.15); }
.msbte-branch-card.selected { background: var(--ms-orange); border-color: var(--ms-orange); transform: translateY(-4px); box-shadow: 0 12px 36px rgba(244,121,32,.3); }

.msbte-branch-icon {
  width: 40px; height: 40px; background: var(--ms-gray); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; margin-bottom: 10px; transition: background .2s;
}
.msbte-branch-icon svg { width: 18px; height: 18px; stroke: var(--ms-muted); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: stroke .2s; }
.msbte-branch-card:hover .msbte-branch-icon    { background: var(--ms-orange-lt); }
.msbte-branch-card:hover .msbte-branch-icon svg { stroke: var(--ms-orange); }
.msbte-branch-card.selected .msbte-branch-icon     { background: rgba(255,255,255,.2); }
.msbte-branch-card.selected .msbte-branch-icon svg  { stroke: #fff; }

.msbte-branch-code { font-size: 1.4rem; font-weight: 800; color: var(--ms-navy); letter-spacing: 1px; line-height: 1; margin-bottom: 5px; transition: color .2s; }
.msbte-branch-name { font-size: 10px; color: var(--ms-muted); font-weight: 500; line-height: 1.4; transition: color .2s; }
.msbte-branch-card:hover .msbte-branch-code,
.msbte-branch-card:hover .msbte-branch-name { color: var(--ms-orange); }
.msbte-branch-card.selected .msbte-branch-code,
.msbte-branch-card.selected .msbte-branch-name { color: #fff; }

/* ── PANEL 3: Year Packages ── */
.msbte-loading {
  display: flex; align-items: center; gap: 14px;
  padding: 40px 0; color: var(--ms-muted); font-size: 14px;
}
.msbte-spinner {
  width: 28px; height: 28px; border-radius: 50%;
  border: 3px solid var(--ms-border);
  border-top-color: var(--ms-orange);
  animation: msbteSpinner .8s linear infinite;
}
.msbte-no-results {
  background: var(--ms-gray); border-radius: 14px; padding: 36px;
  text-align: center; color: var(--ms-muted); font-size: 14px;
  margin-bottom: 24px;
}

.msbte-pkgs-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 10px;
}

/* Package card */
.msbte-pkg-card {
  background: var(--ms-white); border: 2px solid var(--ms-border);
  border-radius: 22px; overflow: hidden; transition: all .3s;
  display: flex; flex-direction: column;
}
.msbte-pkg-card:hover { transform: translateY(-7px); box-shadow: 0 24px 64px rgba(0,0,0,.11); border-color: var(--ms-orange); }

/* Card header (dark gradient) */
.msbte-pkg-head {
  padding: 26px 26px 20px; position: relative; overflow: hidden;
}
.msbte-pkg-head::before {
  content: ''; position: absolute; top: -50px; right: -50px;
  width: 160px; height: 160px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.12) 0%, transparent 70%);
}
.msbte-pkg-year-bg {
  font-size: 4.5rem; font-weight: 900; color: rgba(255,255,255,.07);
  line-height: 1; position: absolute; bottom: -10px; right: 14px; letter-spacing: -2px;
}
.msbte-pkg-badge {
  display: inline-block; background: rgba(255,255,255,.18); color: #fff;
  font-size: 10px; font-weight: 700; letter-spacing: .8px; text-transform: uppercase;
  padding: 4px 12px; border-radius: 100px; margin-bottom: 10px;
  border: 1px solid rgba(255,255,255,.2);
}
.msbte-pkg-head-title { font-size: 1.1rem; font-weight: 700; color: #fff; margin: 0 0 5px; position: relative; z-index: 1; }
.msbte-pkg-head-sems  { font-size: 11px; color: rgba(255,255,255,.55); font-weight: 400; position: relative; z-index: 1; }
.msbte-pkg-branch-tag {
  display: inline-block; margin-top: 10px; background: var(--ms-orange); color: #fff;
  font-size: 10px; font-weight: 700; padding: 3px 12px; border-radius: 100px;
  position: relative; z-index: 1; letter-spacing: .5px;
}

/* Thumbnail strip inside header */
.msbte-pkg-thumb {
  margin-top: 14px; border-radius: 10px; overflow: hidden;
  height: 130px; position: relative; z-index: 1; cursor: pointer;
}
.msbte-pkg-thumb img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform .4s;
}
.msbte-pkg-thumb:hover img { transform: scale(1.05); }
.msbte-pkg-thumb-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.6) 0%, transparent 60%);
  display: flex; align-items: flex-end; padding: 10px 12px;
}
.msbte-pkg-gallery-btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,.2); backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.3); color: #fff;
  font-size: 11px; font-weight: 600; padding: 5px 13px;
  border-radius: 100px; cursor: pointer; font-family: 'Poppins', sans-serif;
  transition: background .2s;
}
.msbte-pkg-gallery-btn:hover { background: rgba(255,255,255,.35); }
.msbte-pkg-gallery-btn svg { width: 12px; height: 12px; stroke: #fff; fill: none; stroke-width: 2.5; }
.msbte-pkg-no-img {
  height: 70px; display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.06); border-radius: 10px; margin-top: 14px;
  font-size: 12px; color: rgba(255,255,255,.4); position: relative; z-index: 1;
}

/* Card body — features */
.msbte-pkg-body { padding: 20px 24px; flex: 1; }
.msbte-pkg-feat { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; }
.msbte-pkg-feat:last-child { margin-bottom: 0; }
.msbte-pkg-check {
  width: 20px; height: 20px; background: var(--ms-orange-lt); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 2px;
}
.msbte-pkg-check svg { width: 10px; height: 10px; stroke: var(--ms-orange); fill: none; stroke-width: 3; }
.msbte-pkg-feat-text { font-size: 12.5px; color: var(--ms-ink); line-height: 1.55; font-weight: 400; }

/* Thumbnail gallery row (small previews) */
.msbte-pkg-gallery-row {
  display: flex; gap: 6px; padding: 0 24px 16px; flex-wrap: nowrap; overflow-x: auto;
  scrollbar-width: none;
}
.msbte-pkg-gallery-row::-webkit-scrollbar { display: none; }
.msbte-pkg-gallery-thumb {
  width: 52px; height: 52px; border-radius: 8px; overflow: hidden;
  flex-shrink: 0; cursor: pointer; border: 2px solid transparent; transition: border-color .2s;
}
.msbte-pkg-gallery-thumb:hover { border-color: var(--ms-orange); }
.msbte-pkg-gallery-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.msbte-pkg-gallery-more {
  width: 52px; height: 52px; border-radius: 8px; background: var(--ms-gray);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  font-size: 11px; font-weight: 700; color: var(--ms-orange); cursor: pointer;
  border: 2px solid var(--ms-border); transition: all .2s;
}
.msbte-pkg-gallery-more:hover { background: var(--ms-orange-lt); border-color: var(--ms-orange); }

/* Card footer */
.msbte-pkg-footer {
  padding: 16px 24px 20px; border-top: 1px solid var(--ms-border);
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.msbte-price-block { display: flex; align-items: baseline; gap: 7px; flex-wrap: wrap; }
.msbte-price      { font-size: 1.4rem; font-weight: 800; color: var(--ms-orange); letter-spacing: -1px; }
.msbte-price ins  { text-decoration: none; }
.msbte-old-price  { font-size: 12px; color: var(--ms-muted); text-decoration: line-through; font-weight: 400; }
.msbte-save-badge {
  font-size: 10px; font-weight: 700; background: var(--ms-green); color: #fff;
  padding: 2px 8px; border-radius: 100px; letter-spacing: .3px;
}
.msbte-out-badge {
  font-size: 10px; font-weight: 700; background: #ef4444; color: #fff;
  padding: 2px 8px; border-radius: 100px;
}

.msbte-buy-btn {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--ms-orange); color: #fff !important;
  padding: 11px 22px; border-radius: 10px;
  font-size: 13px; font-weight: 700;
  text-decoration: none !important;
  font-family: 'Poppins', sans-serif;
  transition: all .2s;
  box-shadow: 0 4px 16px rgba(244,121,32,.3);
  white-space: nowrap; border: none; cursor: pointer;
}
.msbte-buy-btn:hover { background: var(--ms-orange2) !important; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(244,121,32,.42) !important; }
.msbte-buy-btn svg  { width: 14px; height: 14px; stroke: #fff; fill: none; stroke-width: 2.5; }
.msbte-buy-btn.disabled { background: #9ca3af !important; box-shadow: none !important; cursor: not-allowed; pointer-events: none; }
.msbte-buy-actions { display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.msbte-product-btn {
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--ms-navy) !important; text-decoration: none !important;
  background: var(--ms-gray); border: 1px solid var(--ms-border);
  border-radius: 10px; padding: 10px 14px; font-size: 12px; font-weight: 700;
  transition: all .2s;
}
.msbte-product-btn:hover {
  background: #eef2ff; border-color: #c7d2fe; color: #1e3a8a !important;
}

/* Nav */
.msbte-nav { display: flex; align-items: center; gap: 14px; margin-top: 36px; flex-wrap: wrap; }
.msbte-btn-back {
  padding: 10px 22px; border-radius: 10px; border: 1.5px solid var(--ms-border);
  background: transparent; color: var(--ms-muted); font-family: 'Poppins', sans-serif;
  font-size: 13px; font-weight: 600; cursor: pointer; transition: all .2s;
  display: inline-flex; align-items: center; gap: 7px;
}
.msbte-btn-back:hover { border-color: var(--ms-ink); color: var(--ms-ink); background: var(--ms-gray); }

/* ══════════════════════════════════════
   LIGHTBOX
══════════════════════════════════════ */
.msbte-lb-backdrop {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.88); z-index: 99998;
  animation: msbteFadeIn .2s ease both;
}
.msbte-lb-backdrop.open { display: block; }

.msbte-lightbox {
  display: none; position: fixed; inset: 0; z-index: 99999;
  flex-direction: column; align-items: center; justify-content: center; padding: 20px;
}
.msbte-lightbox.open { display: flex; animation: msbteFadeIn .25s ease both; }

.msbte-lb-close {
  position: absolute; top: 20px; right: 24px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2);
  color: #fff; font-size: 24px; width: 44px; height: 44px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: background .2s; font-family: sans-serif; line-height:1;
}
.msbte-lb-close:hover { background: rgba(255,255,255,.22); }

.msbte-lb-prev,
.msbte-lb-next {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2);
  color: #fff; font-size: 28px; width: 50px; height: 50px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: background .2s; font-family: sans-serif; z-index: 2;
}
.msbte-lb-prev { left: 20px; }
.msbte-lb-next { right: 20px; }
.msbte-lb-prev:hover,
.msbte-lb-next:hover { background: rgba(255,255,255,.25); }

.msbte-lb-inner {
  max-width: 880px; width: 100%; text-align: center;
}
.msbte-lb-img {
  max-width: 100%; max-height: 65vh; border-radius: 12px;
  object-fit: contain; display: block; margin: 0 auto;
  box-shadow: 0 20px 80px rgba(0,0,0,.6);
  animation: msbteZoomIn .25s ease both;
}
.msbte-lb-caption {
  color: rgba(255,255,255,.7); font-size: 13px; margin-top: 14px;
  font-family: 'Poppins', sans-serif; font-weight: 400;
}
.msbte-lb-counter {
  color: rgba(255,255,255,.4); font-size: 12px; margin-top: 6px;
  font-family: 'Poppins', sans-serif;
}
.msbte-lb-thumbs {
  display: flex; gap: 8px; justify-content: center; flex-wrap: wrap;
  margin-top: 16px; max-width: 600px;
}
.msbte-lb-thumb-item {
  width: 56px; height: 56px; border-radius: 8px; overflow: hidden;
  cursor: pointer; border: 2px solid transparent; transition: border-color .2s; flex-shrink: 0;
}
.msbte-lb-thumb-item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.msbte-lb-thumb-item.active { border-color: var(--ms-orange); }

/* ── Animations ── */
@keyframes msbteFadeUp  { from{opacity:0;transform:translateY(22px);}to{opacity:1;transform:translateY(0);} }
@keyframes msbteFadeIn  { from{opacity:0;}to{opacity:1;} }
@keyframes msbteZoomIn  { from{opacity:0;transform:scale(.94);}to{opacity:1;transform:scale(1);} }
@keyframes msbteSpinner { to{transform:rotate(360deg);} }

/* ── Responsive ── */
@media (max-width: 1200px) {
  .msbte-mtype-row  { grid-template-columns: repeat(3, 1fr); }
  .msbte-branch-row { grid-template-columns: repeat(6, 1fr); }
  .msbte-pkgs-row   { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
  .msbte-mtype-row  { grid-template-columns: repeat(2, 1fr); }
  .msbte-branch-row { grid-template-columns: repeat(3, 1fr); }
  .msbte-pkgs-row   { grid-template-columns: repeat(2, 1fr); }
  .msbte-sel-wrap   { padding: 50px 24px 70px; }
}
@media (max-width: 640px) {
  .msbte-mtype-row  { grid-template-columns: 1fr; }
  .msbte-branch-row { grid-template-columns: repeat(2, 1fr); }
  .msbte-pkgs-row   { grid-template-columns: 1fr; }
  .msbte-steps      { max-width: 100%; }
  .msbte-step-label { font-size: 10px; }
  .msbte-lb-prev    { left: 6px; }
  .msbte-lb-next    { right: 6px; }
}