.cs-main {
  max-width: var(--max-width-container, 1280px);
  margin: 0 auto;
  padding: var(--space-12) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

@media (max-width: 640px) {
  .cs-main {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
    gap: var(--space-6);
  }
}
.cs-hero {
  position: relative;
  height: 380px;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-10) var(--space-12);
}

@media (max-width: 768px) {
  .cs-hero {
    height: auto;
    min-height: 360px;
    padding: var(--space-8) var(--space-5);
  }
}

.cs-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cs-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15, 0, 105, 0.85) 0%, rgba(15, 0, 105, 0.45) 55%, rgba(15, 0, 105, 0.1) 100%);
}

.cs-hero-content {
  position: relative;
  z-index: 2;
  max-width: 620px;
  color: var(--color-white);
}

.cs-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-full);
  color: var(--color-white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.cs-hero-badge .material-symbols-outlined {
  font-size: 14px;
  color: var(--color-secondary-fixed-dim);
}

.cs-hero-title {
  font-family: var(--font-family);
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--color-white);
  margin: 0 0 var(--space-3);
}

@media (max-width: 768px) {
  .cs-hero-title {
    font-size: 30px;
  }
}

.cs-hero-desc {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.92);
  margin: 0 0 var(--space-6);
  max-width: 520px;
}

.cs-hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--color-secondary-container);
  color: var(--color-on-secondary-container);
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-family);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base);
}

.cs-hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
}

/* ============================================
   LAYOUT
   ============================================ */
.cs-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 1024px) {
  .cs-layout {
    grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
  }
}

.cs-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  min-width: 0;
}

/* ============================================
   CARD (shared)
   ============================================ */
.cs-card {
  background: var(--color-surface-container-lowest);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.cs-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}

.cs-card-title {
  font-family: var(--font-family);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-on-surface);
  margin: 0;
}

.cs-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 12px;
  background: var(--color-on-surface);
  color: var(--color-surface-container-lowest);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
}

/* ============================================
   ACTIVE CHALLENGES
   ============================================ */
.cs-active-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.cs-challenge-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.cs-challenge-row:hover {
  border-color: var(--color-primary);
  background: var(--color-gray-50);
}

/* Circular progress */
.cs-progress-ring {
  position: relative;
  width: 72px;
  height: 72px;
  flex-shrink: 0;
}

.cs-progress-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.cs-progress-ring-bg {
  stroke: var(--color-surface-container-high);
}

.cs-progress-ring-fill {
  stroke: var(--color-primary);
  stroke-linecap: round;
  transition: stroke-dashoffset 0.6s ease;
}

.cs-progress-ring-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: var(--color-on-surface);
  letter-spacing: -0.02em;
}

/* Icon tile fallback */
.cs-challenge-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cs-challenge-icon.primary {
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
  color: var(--color-primary);
}

.cs-challenge-icon.secondary {
  background: color-mix(in srgb, var(--color-secondary-container) 50%, transparent);
  color: var(--color-secondary);
}

.cs-challenge-icon .material-symbols-outlined {
  font-size: 32px;
}

.cs-challenge-body {
  flex: 1;
  min-width: 0;
}

.cs-challenge-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.cs-challenge-name {
  font-family: var(--font-family);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-on-surface);
  letter-spacing: -0.015em;
  margin: 0 0 2px;
  text-decoration: none;
  display: inline-block;
  transition: color var(--transition-base);
}

a.cs-challenge-name:hover {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.cs-challenge-meta {
  font-size: 12px;
  color: var(--color-on-surface-variant);
  margin: 0;
}

.cs-streak {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 3px 8px;
  background: var(--color-tertiary-fixed, #ffdbd1);
  color: var(--color-on-tertiary-fixed, #410004);
  border-radius: var(--radius-md);
  font-size: 10px;
  font-weight: 800;
}

.cs-streak .material-symbols-outlined {
  font-size: 13px;
  font-variation-settings: 'FILL' 1;
}

.cs-pct-pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  background: var(--color-secondary-fixed, #c7f080);
  color: var(--color-on-secondary-fixed, #131f00);
  border-radius: var(--radius-md);
  font-size: 10px;
  font-weight: 800;
}

.cs-progress-bar {
  width: 100%;
  height: 6px;
  background: var(--color-surface-container-high);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: var(--space-2);
}

.cs-progress-bar-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width 0.6s ease;
}

.cs-progress-bar-fill.secondary {
  background: var(--color-secondary);
}

.cs-row-actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.cs-link-btn {
  background: transparent;
  border: none;
  padding: 0;
  color: var(--color-primary);
  font-family: var(--font-family);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
}

.cs-link-btn:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============================================
   ACHIEVEMENTS
   ============================================ */
.cs-achievements {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: var(--space-4);
}

.cs-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}

.cs-badge-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.cs-badge-icon.active {
  background: var(--color-secondary-fixed, #c7f080);
  color: var(--color-on-secondary-fixed, #131f00);
}

.cs-badge-icon.active .material-symbols-outlined {
  font-variation-settings: 'FILL' 1;
}

.cs-badge-icon.featured {
  background: var(--color-primary-fixed, #e2dfff);
  color: var(--color-on-primary-fixed, #0f0069);
  animation: cs-pulse 2s ease-in-out infinite;
}

.cs-badge-icon.locked {
  background: var(--color-surface-container-high);
  color: var(--color-on-surface-variant);
  filter: grayscale(100%);
  opacity: 0.5;
}

.cs-badge-icon .material-symbols-outlined {
  font-size: 26px;
}

.cs-badge-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  line-height: 1.2;
}

@keyframes cs-pulse {

  0%,
  100% {
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--color-primary) 40%, transparent);
  }

  50% {
    box-shadow: 0 0 0 8px color-mix(in srgb, var(--color-primary) 0%, transparent);
  }
}

/* ============================================
   WEEKLY SUMMARY
   ============================================ */
.cs-bars {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  height: 100px;
  padding: 0 4px;
  margin-bottom: var(--space-3);
}

.cs-bar {
  width: 14px;
  background: var(--color-primary);
  border-radius: 6px 6px 0 0;
  transition: height 0.6s ease;
}

.cs-bar.muted {
  background: var(--color-outline-variant);
}

.cs-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  gap: 2px;
  margin-bottom: var(--space-4);
}

.cs-days span {
  font-size: 10px;
  font-weight: 600;
  color: var(--color-on-surface-variant);
}

.cs-summary-box {
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-container-low);
  border-radius: var(--radius-lg);
}

.cs-summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.cs-summary-row strong {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-on-surface);
}

.cs-summary-row .cs-pct {
  font-size: 13px;
  font-weight: 800;
  color: var(--color-primary);
}

.cs-summary-note {
  font-size: 11px;
  color: var(--color-on-surface-variant);
  line-height: 1.5;
  margin: 0;
}

/* ============================================
   LEADERBOARD
   ============================================ */
.cs-lb {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.cs-lb-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.cs-lb-rank {
  width: 20px;
  font-size: 13px;
  font-weight: 800;
  color: var(--color-on-surface-variant);
  text-align: center;
}

.cs-lb-row.top .cs-lb-rank {
  color: var(--color-primary);
}

.cs-lb-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.cs-lb-row.top .cs-lb-avatar {
  border: 2px solid var(--color-primary);
}

.cs-lb-info {
  flex: 1;
  min-width: 0;
}

.cs-lb-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-on-surface);
  margin: 0;
  line-height: 1.2;
}

.cs-lb-xp {
  font-size: 11px;
  color: var(--color-on-surface-variant);
  margin: 0;
}

.cs-lb-star {
  color: var(--color-secondary);
  font-size: 18px;
  font-variation-settings: 'FILL' 1;
}

.cs-lb-cta {
  width: 100%;
  margin-top: var(--space-4);
  padding: 10px;
  background: transparent;
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-family: var(--font-family);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-base);
}

.cs-lb-cta:hover {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

/* ============================================
   CATALOG
   ============================================ */
.cs-catalog-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.cs-catalog-header h2 {
  font-family: var(--font-family);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-on-surface);
  margin: 0 0 4px;
}

.cs-catalog-header p {
  font-size: 13px;
  color: var(--color-on-surface-variant);
  margin: 0;
}

.cs-filter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-surface-container-high);
  border-radius: var(--radius-full);
  color: var(--color-on-surface-variant);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
}

.cs-filter:hover {
  border-color: var(--color-outline-variant);
  color: var(--color-on-surface);
}

.cs-filter .material-symbols-outlined {
  font-size: 16px;
}

.cs-catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-5);
}

.cs-cat-card {
  background: var(--color-surface-container-lowest);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.25s ease;
}

.cs-cat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-outline-variant);
}

.cs-cat-image {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.cs-cat-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.cs-cat-card:hover .cs-cat-image img {
  transform: scale(1.08);
}

.cs-cat-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  color: var(--color-primary);
  padding: 4px 10px;
  border-radius: var(--radius-md);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.cs-cat-body {
  padding: var(--space-4) var(--space-5) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.cs-cat-title {
  font-family: var(--font-family);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-on-surface);
  letter-spacing: -0.015em;
  margin: 0;
  line-height: 1.3;
  text-decoration: none;
  transition: color var(--transition-base);
}

a.cs-cat-title:hover {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.cs-cat-desc {
  font-size: 12px;
  color: var(--color-on-surface-variant);
  line-height: 1.5;
  margin: 0;
  flex: 1;
}

.cs-cat-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-3);
}

.cs-xp {
  font-size: 13px;
  font-weight: 800;
  color: var(--color-secondary);
}

.cs-ikuti-btn {
  padding: 8px 16px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-family);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-base);
}

.cs-ikuti-btn:hover:not(:disabled) {
  background: var(--color-primary-container);
  transform: translateY(-1px);
}

.cs-ikuti-btn:disabled,
.cs-ikuti-btn.joined {
  background: var(--color-secondary-container);
  color: var(--color-on-secondary-container);
  cursor: default;
  pointer-events: none;
}

/* ============================================
   JOIN POPUP MODAL
   ============================================ */
.cs-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(6px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.cs-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.cs-modal {
  background: var(--color-surface-container-lowest);
  border-radius: var(--radius-2xl);
  max-width: 420px;
  width: 100%;
  padding: var(--space-8) var(--space-6) var(--space-6);
  text-align: center;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.25);
  transform: scale(0.9) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.cs-modal::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--color-secondary-fixed, #c7f080) 50%, transparent) 0%, transparent 100%);
  pointer-events: none;
}

.cs-modal-overlay.active .cs-modal {
  transform: scale(1) translateY(0);
}

.cs-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  background: transparent;
  border: none;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--color-on-surface-variant);
  cursor: pointer;
  transition: all var(--transition-base);
}

.cs-modal-close:hover {
  background: var(--color-red-100);
  color: var(--color-on-surface);
}

.cs-modal-icon {
  position: relative;
  z-index: 1;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-secondary-fixed, #c7f080);
  color: var(--color-on-secondary-fixed, #131f00);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  box-shadow: 0 8px 20px color-mix(in srgb, var(--color-secondary-fixed-dim, #a4d64c) 50%, transparent);
  animation: cs-bounce 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.cs-modal-icon .material-symbols-outlined {
  font-size: 34px;
  font-variation-settings: 'FILL' 1;
}

@keyframes cs-bounce {
  0% {
    transform: scale(0);
  }

  60% {
    transform: scale(1.15);
  }

  100% {
    transform: scale(1);
  }
}

.cs-modal-title {
  position: relative;
  z-index: 1;
  font-family: var(--font-family);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-on-surface);
  margin: 0 0 var(--space-2);
}

.cs-modal-desc {
  position: relative;
  z-index: 1;
  font-size: 13px;
  color: var(--color-on-surface-variant);
  line-height: 1.6;
  margin: 0 0 var(--space-5);
}

.cs-modal-desc strong {
  color: var(--color-on-surface);
  font-weight: 700;
}

.cs-modal-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.cs-modal-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 10px 16px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-family);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base);
}

.cs-modal-btn-primary:hover {
  background: var(--color-primary-container);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.cs-modal-btn-primary .material-symbols-outlined {
  font-size: 16px;
}

.cs-modal-btn-ghost {
  position: static;
  width: 100%;
  padding: 11px 20px;
  background: transparent;
  color: var(--color-on-surface-variant);
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-family);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  height: auto;
  display: block;
}

.cs-modal-btn-ghost:hover {
  color: var(--color-on-surface);
  background: var(--color-gray-200);
}