/* ═══════════════════════════════════════════════
   DSS UPCOMING BATCHES — FRONTEND STYLES
   Fonts: Playfair Display (headings) | Roboto (body)
   Brand: Navy #0d1f5c | Blue #0099e6 | Green #43a843
          Orange #f26b00 | Yellow #f5c400
   ═══════════════════════════════════════════════ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,400;1,700&display=swap');

:root {
  --dss-navy:    #0d1f5c;
  --dss-blue:    #0099e6;
  --dss-blue-lt: #33b8ff;
  --dss-blue-bg: #e8f4fc;
  --dss-green:   #43a843;
  --dss-orange:  #f26b00;
  --dss-yellow:  #f5c400;
  --dss-bg:      #f3f7fc;
  --dss-white:   #ffffff;
  --dss-border:  #d8e5f0;
  --dss-body:    #374260;
  --dss-muted:   #6b7fa8;
  --dss-shadow:  0 4px 20px rgba(13,31,92,.10);
  --dss-shadow-hover: 0 12px 40px rgba(13,31,92,.16);
  --dss-fh: 'Poppins', sans-serif;
  --dss-fb: 'Poppins', sans-serif;
  --dss-radius: 18px;
}

/* ════════════════════════════════
   GRID WRAPPER
════════════════════════════════ */
.dss-batches-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  font-family: var(--dss-fb);
  margin: 1.5rem 0;
  overflow: visible;
}

.dss-no-batches {
  font-family: var(--dss-fb);
  color: var(--dss-muted);
  text-align: center;
  padding: 2rem;
  background: var(--dss-bg);
  border-radius: var(--dss-radius);
  border: 1.5px dashed var(--dss-border);
}

.dss-no-batches a { color: var(--dss-blue); }

/* ════════════════════════════════
   BATCH CARD
════════════════════════════════ */
.dss-batch-card {
  position: relative;
  background: var(--dss-white);
  border: 1.5px solid var(--dss-border);
  border-radius: var(--dss-radius);
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  overflow: visible;
  outline: none;
}

/* Inner content respects border-radius */
.dss-card-inner {
  overflow: hidden;
  border-radius: var(--dss-radius);
}

.dss-batch-card:hover,
.dss-batch-card:focus {
  transform: translateY(-5px);
  box-shadow: var(--dss-shadow-hover);
  border-color: var(--dss-blue);
}

.dss-batch-card:focus-visible {
  outline: 3px solid var(--dss-blue);
  outline-offset: 2px;
}

/* Top accent line — per course */
.dss-batch-card::before {
  content: '';
  display: block;
  height: 4px;
  border-radius: var(--dss-radius) var(--dss-radius) 0 0;
}

.dss-card-azure::before {
  background: linear-gradient(90deg, var(--dss-blue), var(--dss-blue-lt));
}

.dss-card-genai::before {
  background: linear-gradient(90deg, #7c3aed, #a855f7);
}

.dss-card-inner {
  padding: 1.4rem 1.5rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}

/* ── Card top row ── */
.dss-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: .2rem;
}

.dss-card-icon {
  font-size: 1.6rem;
  line-height: 1;
}

/* ── Status pill ── */
.dss-status-pill {
  font-family: var(--dss-fb);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .22rem .7rem;
  border-radius: 100px;
}

.dss-s-open     { background: rgba(67,168,67,.12);  color: var(--dss-green); }
.dss-s-filling  { background: rgba(242,107,0,.12);  color: var(--dss-orange); }
.dss-s-full     { background: rgba(220,38,38,.10);  color: #dc2626; }
.dss-s-upcoming { background: rgba(0,153,230,.12);  color: var(--dss-blue); }

/* ── Course name ── */
.dss-card-course {
  font-family: var(--dss-fh);
  font-size: 1rem;
  font-weight: 700;
  color: var(--dss-navy);
  line-height: 1.25;
}

/* ── Batch label ── */
.dss-card-batch-label {
  font-size: .78rem;
  font-weight: 600;
  color: var(--dss-blue);
  letter-spacing: .04em;
}

/* ── Meta rows ── */
.dss-card-meta {
  display: flex;
  flex-direction: column;
  gap: .42rem;
  margin: .25rem 0;
}

.dss-card-meta-row {
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  font-size: .84rem;
  color: var(--dss-body);
  line-height: 1.45;
}

.dss-meta-icon {
  font-size: .95rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ── Card footer ── */
.dss-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: .6rem;
  padding-top: .9rem;
  border-top: 1px solid var(--dss-border);
}

.dss-card-fee {
  font-family: var(--dss-fh);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dss-navy);
}

/* Ensure fee always shows ₹ in popup */
.dss-fee-amount {
  font-family: var(--dss-fh);
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--dss-navy);
  line-height: 1;
}

.dss-card-cta {
  font-size: .82rem;
  font-weight: 700;
  color: var(--dss-blue);
  display: flex;
  align-items: center;
  gap: .25rem;
  transition: gap .2s;
}

.dss-batch-card:hover .dss-card-cta { gap: .5rem; }
.dss-arrow { transition: transform .2s; display: inline-block; }
.dss-batch-card:hover .dss-arrow { transform: translateX(4px); }

/* ── Badge — corner strip, visually separate from status pill ── */
/* Badge wrap — sits between accent line and card-top row */
.dss-card-badge-wrap {
  display: flex;
  justify-content: flex-end;
  margin-bottom: .4rem;
  margin-top: -.2rem;
}

.dss-card-badge {
  display: inline-flex;
  align-items: center;
  background: var(--dss-orange);
  color: #fff;
  font-family: var(--dss-fb);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: .28rem .85rem;
  border-radius: 100px;
  box-shadow: 0 2px 8px rgba(242,107,0,.35);
  white-space: nowrap;
  pointer-events: none;
  position: static !important;
  transform: none !important;
  float: none !important;
}

/* ════════════════════════════════
   POPUP OVERLAY
════════════════════════════════ */
.dss-popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 23, 64, .55);
  backdrop-filter: blur(4px);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}

.dss-popup-overlay.dss-active {
  opacity: 1;
  pointer-events: all;
}

/* ── Popup box ── */
.dss-popup {
  background: var(--dss-white);
  border-radius: 22px;
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 24px 80px rgba(11,23,64,.28);
  transform: translateY(20px) scale(.97);
  transition: transform .3s ease;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

/* Custom scrollbar */
.dss-popup::-webkit-scrollbar { width: 5px; }
.dss-popup::-webkit-scrollbar-track { background: transparent; }
.dss-popup::-webkit-scrollbar-thumb { background: var(--dss-border); border-radius: 4px; }

.dss-popup-overlay.dss-active .dss-popup {
  transform: translateY(0) scale(1);
}

/* Close button */
.dss-popup-close {
  position: sticky;
  top: 1rem;
  float: right;
  margin: 1rem 1rem -2.5rem 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--dss-bg);
  border: 1.5px solid var(--dss-border);
  font-size: 1.2rem;
  color: var(--dss-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: background .2s, color .2s;
  line-height: 1;
  padding: 0;
}

.dss-popup-close:hover {
  background: var(--dss-navy);
  color: #fff;
  border-color: var(--dss-navy);
}

/* ── Popup body ── */
.dss-popup-body {
  padding: 1.5rem 2rem 2rem;
  font-family: var(--dss-fb);
  clear: both;
}

/* Loading state */
.dss-popup-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 2rem;
  gap: 1rem;
}

.dss-popup-loading p {
  font-size: .9rem;
  color: var(--dss-muted);
  margin: 0;
}

.dss-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--dss-border);
  border-top-color: var(--dss-blue);
  border-radius: 50%;
  animation: dss-spin .8s linear infinite;
}

@keyframes dss-spin { to { transform: rotate(360deg); } }

/* ── Popup header ── */
.dss-popup-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1.5px solid var(--dss-border);
}

.dss-popup-header-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: .6rem;
}

.dss-popup-course-icon {
  font-size: 2.2rem;
  line-height: 1;
  flex-shrink: 0;
}

.dss-popup-status {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .28rem .8rem;
  border-radius: 100px;
}

.dss-popup-course-name {
  font-family: var(--dss-fh);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--dss-navy);
  line-height: 1.2;
  margin-bottom: .35rem;
}

.dss-popup-batch-label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--dss-blue);
  letter-spacing: .04em;
}

/* ── Popup sections ── */
.dss-popup-section {
  margin-bottom: 1.4rem;
}

.dss-popup-section-title {
  font-family: var(--dss-fb);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--dss-muted);
  margin-bottom: .7rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.dss-popup-section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--dss-border);
}

/* Info rows inside popup */
.dss-popup-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
}

.dss-popup-info-item {
  background: var(--dss-bg);
  border: 1px solid var(--dss-border);
  border-radius: 12px;
  padding: .85rem 1rem;
}

.dss-popup-info-item.full-width {
  grid-column: 1 / -1;
}

.dss-pii-label {
  font-size: .67rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--dss-muted);
  margin-bottom: .25rem;
}

.dss-pii-value {
  font-size: .9rem;
  font-weight: 500;
  color: var(--dss-navy);
  line-height: 1.45;
}

.dss-pii-value a {
  color: var(--dss-blue);
  text-decoration: none;
  font-weight: 700;
  word-break: break-all;
}

.dss-pii-value a:hover { text-decoration: underline; }

/* Tutor card */
.dss-tutor-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: linear-gradient(135deg, rgba(0,153,230,.06), var(--dss-bg));
  border: 1.5px solid var(--dss-border);
  border-radius: 14px;
  padding: 1rem 1.2rem;
}

.dss-tutor-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--dss-navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--dss-fh);
  font-size: 1.1rem;
  font-weight: 700;
  flex-shrink: 0;
  text-transform: uppercase;
}

.dss-tutor-name {
  font-family: var(--dss-fh);
  font-size: .98rem;
  font-weight: 700;
  color: var(--dss-navy);
  line-height: 1.2;
}

.dss-tutor-desig {
  font-size: .78rem;
  color: var(--dss-muted);
  margin-top: .15rem;
}

/* Fee display */
.dss-fee-display {
  display: flex;
  align-items: flex-end;
  gap: .75rem;
  flex-wrap: wrap;
  padding: .9rem 1.1rem;
  background: linear-gradient(135deg, rgba(67,168,67,.06), var(--dss-bg));
  border: 1.5px solid rgba(67,168,67,.2);
  border-radius: 14px;
}

.dss-fee-amount {
  font-family: var(--dss-fh);
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--dss-navy);
  line-height: 1;
}

.dss-fee-note-text {
  font-size: .8rem;
  color: var(--dss-green);
  font-weight: 600;
  padding-bottom: .15rem;
}

/* Details text */
.dss-popup-details-text {
  font-size: .9rem;
  color: var(--dss-body);
  line-height: 1.75;
  white-space: pre-line;
}

/* Modules tags */
.dss-modules-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.dss-module-tag {
  font-size: .74rem;
  font-weight: 600;
  background: var(--dss-bg);
  border: 1.5px solid var(--dss-border);
  color: var(--dss-body);
  padding: .22rem .65rem;
  border-radius: 8px;
}

/* Demo box */
.dss-demo-box {
  background: linear-gradient(135deg, rgba(0,153,230,.07), var(--dss-bg));
  border: 1.5px solid rgba(0,153,230,.2);
  border-radius: 14px;
  padding: 1rem 1.2rem;
}

.dss-demo-date-str {
  font-family: var(--dss-fh);
  font-size: 1rem;
  font-weight: 700;
  color: var(--dss-navy);
  margin-bottom: .3rem;
}

.dss-demo-platform-str {
  font-size: .82rem;
  color: var(--dss-body);
  margin-bottom: .6rem;
}

.dss-demo-join-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: var(--dss-blue);
  color: #fff;
  font-family: var(--dss-fb);
  font-weight: 700;
  font-size: .85rem;
  padding: .55rem 1.2rem;
  border-radius: 8px;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(0,153,230,.3);
  transition: background .2s;
}

.dss-demo-join-btn:hover { background: #0088cc; }

/* Popup CTA buttons */
.dss-popup-actions {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  margin-top: 1.6rem;
  padding-top: 1.4rem;
  border-top: 1.5px solid var(--dss-border);
}

.dss-btn-enrol {
  flex: 1;
  min-width: 160px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  background: var(--dss-blue);
  color: #fff;
  font-family: var(--dss-fb);
  font-weight: 700;
  font-size: .95rem;
  padding: .85rem 1.5rem;
  border-radius: 12px;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(0,153,230,.35);
  transition: background .2s, transform .2s;
  text-align: center;
}

.dss-btn-enrol:hover { background: #0088cc; transform: translateY(-2px); }

.dss-btn-call {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  color: var(--dss-navy);
  font-family: var(--dss-fb);
  font-weight: 600;
  font-size: .95rem;
  padding: .85rem 1.4rem;
  border-radius: 12px;
  text-decoration: none;
  border: 2px solid var(--dss-border);
  background: var(--dss-bg);
  transition: border-color .2s;
  white-space: nowrap;
}

.dss-btn-call:hover { border-color: var(--dss-blue); }

/* ════════════════════════════════
   RESPONSIVE
════════════════════════════════ */
@media (max-width: 640px) {
  .dss-batches-grid {
    grid-template-columns: 1fr;
  }

  .dss-popup-overlay {
    align-items: flex-end;
    padding: 0;
  }

  .dss-popup {
    border-radius: 22px 22px 0 0;
    max-height: 92vh;
    transform: translateY(100%);
  }

  .dss-popup-overlay.dss-active .dss-popup {
    transform: translateY(0);
  }

  .dss-popup-body {
    padding: 1.25rem 1.25rem 2rem;
  }

  .dss-popup-info-grid {
    grid-template-columns: 1fr;
  }

  .dss-popup-info-item.full-width {
    grid-column: 1;
  }

  .dss-popup-actions {
    flex-direction: column;
  }

  .dss-btn-enrol,
  .dss-btn-call {
    width: 100%;
    min-width: unset;
  }

  .dss-popup-course-name {
    font-size: 1.15rem;
  }
}

@media (max-width: 480px) {
  .dss-popup-close {
    width: 30px;
    height: 30px;
    font-size: 1rem;
  }
}