/* =========================================================
   SURAJ SHIKSHA — RESOURCE SELECTION INTERFACE (Scaled +40%)
   - Stepper: Class -> Stream (if 11/12) -> Subject -> Material
   - Class Grouping: Foundation, Explorer, Board, Senior Secondary
   - Stream Selector (11/12) & Subject Selector
   - Active Selection Summary Bar
========================================================= */

/* =========================================================
   SUBTLE PROGRESS STEPPER
========================================================= */
.resource-stepper-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 0 auto 34px;
  padding: 12px 22px;
  background: var(--bg-surface);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-full);
  max-width: 680px;
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
  white-space: nowrap;
}

.step-node {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 16.5px;
  font-weight: 800;
  color: var(--navy-dim);
  cursor: default;
  transition: all 0.2s ease;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.step-node.completed {
  color: var(--navy-deep);
  cursor: pointer;
}

.step-node.completed:hover {
  background: #FFF8E7;
  color: #B45309;
}

.step-node.active {
  color: var(--navy-deep);
}

.step-circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #E2E8F0;
  color: var(--navy-muted);
  display: grid;
  place-items: center;
  font-size: 14.5px;
  font-weight: 900;
  transition: all 0.2s ease;
}

.step-node.completed .step-circle {
  background: #E0F2FE;
  color: #0369A1;
}

.step-node.active .step-circle {
  background: var(--gold-sun);
  color: var(--navy-deep);
  box-shadow: 0 2px 8px var(--gold-glow);
}

.step-divider {
  width: 22px;
  height: 2.5px;
  background: #E2E8F0;
  border-radius: 2px;
  flex-shrink: 0;
}

.step-divider.active {
  background: var(--gold-sun);
}

/* =========================================================
   COMPACT SELECTION SUMMARY BAR (WITH [CHANGE] BUTTON)
========================================================= */
.selection-summary-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 22px;
  background: #FFFDF8;
  border: 1.5px solid #FEEBC8;
  border-radius: var(--radius-md);
  margin-bottom: 30px;
  box-shadow: var(--shadow-sm);
  animation: fadeIn 0.25s ease;
}

.summary-details {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.summary-label {
  font-size: 16px;
  font-weight: 800;
  color: #92400E;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.summary-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 19px;
  font-weight: 800;
  color: var(--navy-deep);
}

.summary-bullet {
  color: #D97706;
  font-size: 17px;
}

.btn-change-selection {
  padding: 8px 18px;
  font-size: 16px;
  font-weight: 800;
  color: var(--navy-deep);
  background: var(--bg-surface);
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-change-selection:hover {
  background: #FFF8E7;
  border-color: var(--gold-sun);
  transform: translateY(-1px);
}

/* =========================================================
   STAGE HEADER
========================================================= */
.stage-header-block {
  text-align: center;
  margin-bottom: 32px;
}

.stage-eyebrow {
  display: inline-block;
  font-size: 16px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gold-sun);
  margin-bottom: 6px;
}

.stage-title {
  font-size: clamp(30px, 4.5vw, 42px);
  font-weight: 900;
  color: var(--navy-deep);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.stage-desc {
  font-size: 19px;
  color: var(--navy-muted);
  max-width: 780px;
  margin: 0 auto;
}

/* Navigation Back Link */
.stage-nav-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 17px;
  font-weight: 800;
  color: var(--navy-muted);
  background: none;
  border: none;
  cursor: pointer;
  margin-bottom: 20px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.stage-nav-back:hover {
  color: var(--navy-deep);
  background: rgba(23, 37, 84, 0.05);
}

/* =========================================================
   STEP 1: CLASS SELECTION & ACADEMIC GROUPINGS
========================================================= */
.class-groups-container {
  display: flex;
  flex-direction: column;
  gap: 28px;
  max-width: 1040px;
  margin: 0 auto;
}

.class-group-card {
  background: var(--bg-surface);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 26px 26px 28px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.class-group-card:hover {
  border-color: #E2D9C8;
  box-shadow: var(--shadow-md);
}

.group-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 8px;
}

.group-badge-title {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.group-pill {
  font-size: 14.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 13px;
  border-radius: var(--radius-full);
}

.group-pill.foundation { background: #FEF3C7; color: #92400E; }
.group-pill.explorer { background: #E0E7FF; color: #3730A3; }
.group-pill.board { background: #DCFCE7; color: #166534; }
.group-pill.senior { background: #FCE7F3; color: #9D174D; }

.group-name {
  font-size: 21px;
  font-weight: 900;
  color: var(--navy-deep);
}

.group-subtext {
  font-size: 17px;
  color: var(--navy-muted);
}

/* Individual Class Buttons Grid */
.classes-buttons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 14px;
}

.btn-class-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px 14px;
  background: var(--bg-primary);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: center;
  position: relative;
  min-height: 80px;
}

.btn-class-tile:hover {
  border-color: var(--gold-sun);
  background: #FFFDF5;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(245, 183, 0, 0.25);
}

.btn-class-tile.has-content {
  background: #FFFFFF;
  border-color: var(--border-subtle);
}

.btn-class-tile.has-content:hover {
  border-color: var(--gold-sun);
}

.class-number-title {
  font-size: 21px;
  font-weight: 900;
  color: var(--navy-deep);
  line-height: 1.2;
}

.class-status-badge {
  font-size: 14px;
  font-weight: 800;
  color: #047857;
  background: #D1FAE5;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-top: 6px;
}

.class-status-badge.neutral {
  color: var(--navy-dim);
  background: #F1F5F9;
}

/* =========================================================
   STEP 2: STREAM SELECTION (CLASS 11 & 12)
========================================================= */
.streams-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
  max-width: 920px;
  margin: 0 auto;
}

.stream-card-tile {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 28px 24px;
  background: var(--bg-surface);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-sm);
  text-align: left;
}

.stream-card-tile:hover {
  border-color: var(--gold-sun);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(245, 183, 0, 0.25);
  background: #FFFDF8;
}

.stream-icon-box {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  background: #FFF7D6;
  border: 1.5px solid #FFE58F;
  display: grid;
  place-items: center;
  font-size: 28px;
  margin-bottom: 16px;
}

.stream-card-title {
  font-size: 25px;
  font-weight: 900;
  color: var(--navy-deep);
  margin-bottom: 6px;
}

.stream-card-desc {
  font-size: 18px;
  color: var(--navy-muted);
  line-height: 1.5;
  margin-bottom: 18px;
  flex-grow: 1;
}

.stream-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  border-top: 1px solid var(--border-light);
  padding-top: 14px;
}

.stream-count-pill {
  font-size: 16px;
  font-weight: 800;
  color: #B45309;
  background: #FEF3C7;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.stream-select-arrow {
  font-size: 17px;
  font-weight: 900;
  color: var(--navy-deep);
}

/* =========================================================
   STEP 3: SUBJECT SELECTION
========================================================= */
.subjects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
  max-width: 960px;
  margin: 0 auto;
}

.subject-card-tile {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 26px 22px;
  background: var(--bg-surface);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: var(--shadow-sm);
  text-align: left;
}

.subject-card-tile:hover {
  border-color: var(--gold-sun);
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(245, 183, 0, 0.22);
  background: #FFFDF8;
}

.subject-icon-box {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: #F0FDF4;
  border: 1.5px solid #BBF7D0;
  display: grid;
  place-items: center;
  font-size: 28px;
  margin-bottom: 16px;
}

.subject-card-title {
  font-size: 24px;
  font-weight: 900;
  color: var(--navy-deep);
  margin-bottom: 6px;
}

.subject-card-desc {
  font-size: 17.5px;
  color: var(--navy-muted);
  line-height: 1.5;
  margin-bottom: 16px;
  flex-grow: 1;
}

.subject-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  border-top: 1px solid var(--border-light);
  padding-top: 14px;
}

.subject-count-pill {
  font-size: 15px;
  font-weight: 800;
  color: var(--navy-deep);
  background: #E2E8F0;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.subject-card-tile:hover .subject-count-pill {
  background: var(--yellow-brand);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}