/* ========= DYSHEA Learn section ========= */

.learn-page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding: 110px 24px 80px;
  max-width: 1180px;
  margin: 0 auto;
}

.learn-header {
  text-align: center;
  margin-bottom: 40px;
}

.learn-header h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: 12px;
}

.learn-header p {
  color: var(--lavender);
  max-width: 560px;
  margin: 0 auto 20px;
  line-height: 1.6;
}

.learn-path-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(109, 40, 217, 0.25);
  border: 1px solid rgba(168, 85, 247, 0.35);
  font-size: 14px;
  font-weight: 600;
}

.learn-progress-bar-wrap {
  max-width: 420px;
  margin: 24px auto 0;
}

.learn-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--lavender);
  margin-bottom: 8px;
}

.learn-progress-track {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.learn-progress-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--neon));
  transition: width 0.4s ease;
}

.level-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 32px;
}

.level-tab {
  font-family: 'Sora', sans-serif;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: 14px;
  border: 1px solid rgba(168, 85, 247, 0.25);
  background: rgba(255, 255, 255, 0.04);
  color: var(--lavender);
  cursor: pointer;
  transition: all 0.2s ease;
}

.level-tab:hover:not(:disabled) {
  border-color: var(--neon);
  color: var(--white);
}

.level-tab.active {
  background: var(--primary);
  border-color: var(--neon);
  color: var(--white);
  box-shadow: 0 0 24px rgba(109, 40, 217, 0.45);
}

.level-tab:disabled,
.level-tab.locked {
  opacity: 0.45;
  cursor: not-allowed;
}

.level-tab .tab-num {
  opacity: 0.7;
  margin-right: 6px;
}

.level-panel {
  display: none;
  animation: learnFadeIn 0.35s ease;
}

.level-panel.active {
  display: block;
}

@keyframes learnFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.level-panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  padding: 24px;
  border-radius: var(--radius-card);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
}

.level-panel-head h2 {
  font-size: 1.5rem;
}

.level-panel-head p {
  color: var(--lavender);
  margin-top: 6px;
  line-height: 1.5;
}

.level-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.level-meta span {
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 8px;
  background: rgba(109, 40, 217, 0.2);
  color: var(--lavender);
}

.lessons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.lesson-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  border-radius: 18px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.lesson-card:hover:not(.locked) {
  transform: translateY(-4px);
  border-color: var(--neon);
  box-shadow: 0 12px 40px rgba(109, 40, 217, 0.3);
}

.lesson-card.locked {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}
.lesson-card.pass-required {
  border-color: rgba(251, 191, 36, 0.35);
  background:
    linear-gradient(180deg, rgba(245, 158, 11, 0.07), transparent 50%),
    var(--card-bg);
}
.lesson-card.pass-required .lesson-status {
  color: #FDE68A;
}

.lesson-card.completed {
  border-color: rgba(251, 191, 36, 0.4);
}

.lesson-card.current {
  border-color: var(--neon);
  box-shadow: 0 0 0 1px rgba(168, 85, 247, 0.3);
}

.lesson-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.lesson-num {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Manrope', sans-serif;
  font-weight: 800;
  font-size: 14px;
  background: rgba(109, 40, 217, 0.35);
  color: var(--white);
}

.lesson-card.completed .lesson-num {
  background: rgba(251, 191, 36, 0.25);
  color: var(--gold);
}

.lesson-type {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 8px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--lavender);
}

.lesson-type.project {
  background: rgba(251, 191, 36, 0.15);
  color: var(--gold);
}

.lesson-card h3 {
  font-size: 1.05rem;
  line-height: 1.35;
}

.lesson-module {
  font-size: 12px;
  color: rgba(233, 213, 255, 0.65);
}

.lesson-summary {
  font-size: 14px;
  color: var(--lavender);
  line-height: 1.45;
  flex: 1;
}

.lesson-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 8px;
  font-size: 13px;
  color: rgba(233, 213, 255, 0.7);
}

.lesson-status {
  font-weight: 600;
  color: var(--neon);
}

.lesson-card.completed .lesson-status { color: var(--gold); }
.lesson-card.locked .lesson-status { color: rgba(233, 213, 255, 0.45); }

.level-locked-msg {
  text-align: center;
  padding: 60px 24px;
  border-radius: var(--radius-card);
  background: var(--card-bg);
  border: 1px dashed rgba(168, 85, 247, 0.3);
  color: var(--lavender);
}

.level-locked-msg strong {
  display: block;
  font-family: 'Sora', sans-serif;
  font-size: 1.25rem;
  color: var(--white);
  margin-bottom: 8px;
}

.room-page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding: 100px 16px 40px;
  max-width: 1400px;
  margin: 0 auto;
}

.room-topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.room-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--lavender);
}

.room-breadcrumb a {
  color: var(--lavender);
  text-decoration: none;
}

.room-breadcrumb a:hover { color: var(--white); }

.room-title-block h1 {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  margin-top: 4px;
}

.room-meta {
  font-size: 13px;
  color: var(--lavender);
}

.room-step-progress {
  min-width: 180px;
  text-align: right;
}

.room-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}

@media (max-width: 960px) {
  .room-layout { grid-template-columns: 1fr; }
}

.room-panel {
  border-radius: var(--radius-card);
  background: rgba(15, 8, 36, 0.65);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(12px);
  overflow: hidden;
}

.room-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(168, 85, 247, 0.15);
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: 15px;
}

.room-panel-body {
  padding: 20px;
}

.theory-intro {
  font-size: 1.05rem;
  line-height: 1.65;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.92);
}

.theory-section {
  margin-bottom: 22px;
}

.theory-section h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--neon);
}

.theory-section p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--lavender);
  margin-bottom: 10px;
}

.theory-section p code,
.theory-intro code {
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 0.92em;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(168, 85, 247, 0.15);
  color: #E9D5FF;
}

.theory-section p strong {
  color: rgba(255, 255, 255, 0.95);
  font-weight: 600;
}

.theory-code {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(168, 85, 247, 0.2);
  border-radius: 12px;
  padding: 14px 16px;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 14px;
  line-height: 1.5;
  color: #C4B5FD;
  overflow-x: auto;
  white-space: pre-wrap;
}

.dyshi-tip {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-top: 24px;
  padding: 16px;
  border-radius: 14px;
  background: rgba(109, 40, 217, 0.2);
  border: 1px solid rgba(168, 85, 247, 0.25);
}

.dyshi-tip img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  flex-shrink: 0;
}

.dyshi-tip p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--lavender);
}

.practice-task-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(233, 213, 255, 0.55);
  margin-bottom: 6px;
}

.exercise-block {
  margin-bottom: 16px;
}

.practice-task {
  font-size: 15px;
  line-height: 1.6;
  color: var(--lavender);
  margin-bottom: 14px;
}

.practice-task code {
  background: rgba(109, 40, 217, 0.3);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--white);
  font-family: 'Consolas', monospace;
  font-size: 13px;
}

.code-editor {
  width: 100%;
  min-height: 200px;
  padding: 16px;
  border-radius: 12px;
  border: 1px solid rgba(168, 85, 247, 0.25);
  background: rgba(0, 0, 0, 0.45);
  color: #E9D5FF;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 14px;
  line-height: 1.55;
  resize: vertical;
  outline: none;
  tab-size: 4;
}

.code-editor:focus {
  border-color: var(--neon);
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.2);
}

.code-editor::placeholder {
  color: rgba(233, 213, 255, 0.28);
  font-style: italic;
}

.code-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-ghost:hover {
  border-color: var(--neon);
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.25);
}

.btn-success {
  background: linear-gradient(135deg, #059669, #10B981);
  color: white;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.35);
}

.output-panel {
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(168, 85, 247, 0.15);
  overflow: hidden;
}

.output-head {
  padding: 8px 14px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(233, 213, 255, 0.6);
  border-bottom: 1px solid rgba(168, 85, 247, 0.1);
}

.output-body {
  padding: 14px 16px;
  min-height: 80px;
  font-family: 'Consolas', monospace;
  font-size: 13px;
  line-height: 1.5;
  white-space: pre-wrap;
  color: #A7F3D0;
}

.output-body.error { color: #FCA5A5; }
.output-body.empty { color: rgba(233, 213, 255, 0.35); font-style: italic; }

.console-input-section {
  margin-top: 8px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(16, 185, 129, 0.2);
  overflow: hidden;
}

.console-input-section .output-head {
  border-bottom: 1px solid rgba(16, 185, 129, 0.12);
  color: rgba(167, 243, 208, 0.7);
}

.console-input-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: rgba(15, 23, 42, 0.85);
}

.console-input-bar.hidden { display: none; }

.console-input-icon {
  color: #34D399;
  font-size: 14px;
  flex-shrink: 0;
}

.console-input-prompt {
  font-family: 'Consolas', monospace;
  font-size: 13px;
  color: rgba(167, 243, 208, 0.85);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 40%;
}

.console-input-field {
  flex: 1;
  min-width: 0;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid rgba(16, 185, 129, 0.25);
  background: rgba(0, 0, 0, 0.45);
  color: #ECFDF5;
  font-family: 'Consolas', monospace;
  font-size: 13px;
  outline: none;
}

.console-input-field:focus {
  border-color: rgba(52, 211, 153, 0.6);
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.15);
}

.console-input-field:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.pass-criteria {
  margin-bottom: 16px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.22);
}

.pass-criteria-head {
  font-size: 13px;
  font-weight: 600;
  color: #A7F3D0;
  margin-bottom: 8px;
}

.pass-criteria-list {
  margin: 0;
  padding-left: 18px;
  color: rgba(233, 213, 255, 0.88);
  font-size: 14px;
  line-height: 1.55;
}

.pass-criteria-list li + li {
  margin-top: 4px;
}

.pass-criteria-head--code {
  margin-top: 14px;
  color: #C4B5FD;
}

.pass-criteria--grouped {
  background: rgba(109, 40, 217, 0.1);
  border-color: rgba(168, 85, 247, 0.28);
}

.project-steps {
  margin: 12px 0;
  padding-left: 20px;
  color: var(--lavender);
  line-height: 1.65;
}

.project-steps li + li {
  margin-top: 8px;
}

.project-check-tip {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.28);
  color: #FDE68A;
  font-size: 14px;
  line-height: 1.55;
}

.project-check-tip strong {
  color: var(--gold);
}

.check-results.hidden { display: none; }

.check-results {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid transparent;
}

.check-item.pass {
  border-color: rgba(16, 185, 129, 0.35);
  color: #A7F3D0;
}

.check-item.fail {
  border-color: rgba(248, 113, 113, 0.35);
  color: #FCA5A5;
}

.check-item-hint {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.45;
  color: #FDBA74;
}

.check-item.pending {
  color: rgba(233, 213, 255, 0.5);
}

.room-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(168, 85, 247, 0.15);
}

.room-nav .btn:disabled {
  opacity: 0.4;
  pointer-events: none;
}

.pyodide-loading {
  font-size: 13px;
  color: var(--gold);
  margin-bottom: 12px;
}

.complete-banner {
  display: none;
  margin-top: 16px;
  padding: 16px 20px;
  border-radius: 14px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  text-align: center;
}

.complete-banner.show { display: block; }

.complete-banner p {
  color: #A7F3D0;
  margin-bottom: 12px;
}

.complete-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.complete-banner-actions .btn.hidden {
  display: none;
}

.navbar .nav-active {
  color: var(--white);
  text-shadow: 0 0 12px var(--neon);
}

/* ========= Beginner Arena ========= */

.arena-page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding: 100px 20px 60px;
  max-width: 1200px;
  margin: 0 auto;
}

.arena-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.arena-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-top: 12px;
}

.arena-sub {
  color: var(--lavender);
  max-width: 520px;
  line-height: 1.6;
  margin-top: 8px;
}

.arena-stats {
  display: flex;
  gap: 12px;
}

.arena-stat {
  min-width: 72px;
  padding: 12px 16px;
  border-radius: 14px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  text-align: center;
}

.arena-stat strong {
  display: block;
  font-family: 'Manrope', sans-serif;
  font-size: 1.35rem;
  color: var(--gold);
}

.arena-stat span {
  font-size: 12px;
  color: var(--lavender);
}

.arena-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 20px;
  align-items: start;
}

@media (max-width: 960px) {
  .arena-layout { grid-template-columns: 1fr; }
}

.arena-topic {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(251, 191, 36, 0.15);
  color: var(--gold);
}

.arena-dyshi-body {
  text-align: center;
}

.arena-dyshi-img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin: 0 auto 16px;
}

.arena-dyshi-body p {
  color: var(--lavender);
  line-height: 1.6;
  font-size: 15px;
}

.arena-lesson-link {
  margin-top: 16px;
}

.arena-lesson-link.hidden {
  display: none;
}

.arena-focus-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 20px;
  padding: 10px 16px;
  margin-bottom: 20px;
  border-radius: 12px;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  font-size: 13px;
  color: #fca5a5;
}

.arena-focus-banner span:first-child {
  font-weight: 600;
  color: #fecaca;
}

.arena-leaderboard-panel {
  margin-bottom: 24px;
}

.arena-leaderboard-panel .room-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.arena-lb-body {
  padding-top: 8px;
}

.arena-lb-you {
  margin-bottom: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.25);
  font-size: 14px;
  color: var(--lavender);
}

.arena-lb-you strong {
  color: var(--gold);
}

.arena-lb-table-wrap {
  overflow-x: auto;
  margin-bottom: 8px;
}

.arena-lb-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.arena-lb-table th,
.arena-lb-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--card-border);
}

.arena-lb-table th {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--lavender);
  font-weight: 600;
}

.arena-lb-table td.arena-lb-rank {
  width: 48px;
  font-weight: 600;
  color: var(--gold);
}

.arena-lb-table td.arena-lb-name {
  font-weight: 500;
}

.arena-lb-row-you {
  background: rgba(168, 85, 247, 0.12);
}

.arena-lb-row-you td {
  border-bottom-color: rgba(168, 85, 247, 0.35);
}

.arena-lb-tag {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(168, 85, 247, 0.35);
  color: var(--neon);
}

.arena-lb-note {
  font-size: 12px;
  color: var(--lavender);
  line-height: 1.5;
  margin: 8px 0 0;
}

.arena-lb-error {
  color: #fca5a5;
}

.arena-nick-hint {
  font-size: 12px;
  color: var(--lavender);
  margin: 6px 0 0;
}

.arena-integrity-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  z-index: 9999;
  max-width: min(420px, calc(100vw - 32px));
  padding: 12px 18px;
  border-radius: 12px;
  background: rgba(15, 8, 36, 0.95);
  border: 1px solid rgba(239, 68, 68, 0.45);
  color: #fecaca;
  font-size: 14px;
  line-height: 1.45;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  transition: transform 0.25s ease;
  pointer-events: none;
}

.arena-integrity-toast.show {
  transform: translateX(-50%) translateY(0);
}

body.arena-focus-mode .arena-task-panel .code-editor {
  user-select: none;
  -webkit-user-select: none;
}

body.arena-focus-mode .arena-task-panel .code-editor:focus {
  user-select: text;
  -webkit-user-select: text;
}

/* ========= Project Focus Mode (anti-cheat) ========= */

.project-focus-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 20px;
  padding: 10px 16px;
  margin-bottom: 20px;
  border-radius: 12px;
  background: rgba(234, 88, 12, 0.12);
  border: 1px solid rgba(234, 88, 12, 0.4);
  font-size: 13px;
  color: #fdba74;
}

.project-focus-banner span:first-child {
  font-weight: 600;
  color: #fed7aa;
}

body.project-focus-mode .theory-panel .theory-code,
body.project-focus-mode .theory-panel pre {
  user-select: none;
  -webkit-user-select: none;
}

body.project-focus-mode .practice-panel .code-editor {
  user-select: none;
  -webkit-user-select: none;
}

body.project-focus-mode .practice-panel .code-editor:focus {
  user-select: text;
  -webkit-user-select: text;
}

.lesson-type.arena {
  background: rgba(168, 85, 247, 0.25);
  color: var(--neon);
}

.lesson-card.arena-featured {
  grid-column: 1 / -1;
  border-color: rgba(168, 85, 247, 0.45);
  background: linear-gradient(135deg, rgba(109, 40, 217, 0.15), rgba(15, 8, 36, 0.4));
}

@media (min-width: 700px) {
  .lesson-card.arena-featured {
    grid-column: span 2;
  }
}

.part-dots {
  display: flex;
  gap: 6px;
  align-items: center;
}

.part-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}

.part-dot.active {
  background: var(--neon);
  box-shadow: 0 0 8px var(--neon);
}

.part-dot.done {
  background: var(--gold);
}

.error-hint {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.35);
  font-size: 14px;
  line-height: 1.55;
  color: rgba(254, 243, 199, 0.95);
}

.error-hint.hidden {
  display: none;
}

.error-hint code {
  background: rgba(180, 83, 9, 0.35);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--white);
  font-family: 'Consolas', monospace;
  font-size: 13px;
}

.improvement-tip {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(168, 85, 247, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.35);
  font-size: 14px;
  line-height: 1.55;
  color: rgba(233, 213, 255, 0.95);
}

.improvement-tip.hidden {
  display: none;
}

.improvement-tip code {
  background: rgba(109, 40, 217, 0.35);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--white);
  font-family: 'Consolas', monospace;
  font-size: 13px;
}

.improvement-tip-example {
  margin-top: 12px;
}

.improvement-tip-example-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(196, 181, 253, 0.85);
  margin-bottom: 8px;
}

.improvement-tip-code {
  margin: 0;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(15, 10, 30, 0.85);
  border: 1px solid rgba(168, 85, 247, 0.25);
  overflow-x: auto;
}

.improvement-tip-code code {
  display: block;
  background: none;
  padding: 0;
  color: #e9d5ff;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.55;
  white-space: pre;
}

.part-success-banner {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.part-success-banner.hidden {
  display: none;
}

.part-success-banner p {
  color: #A7F3D0;
  font-size: 14px;
}

.hidden {
  display: none !important;
}

/* ---------- Project review links in Dyshi hints ---------- */
.review-lesson-link {
  color: var(--gold);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.review-lesson-link:hover {
  color: var(--white);
}

/* ---------- Learner profile modal (certificate name) ---------- */
.profile-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(15, 8, 36, 0.82);
  backdrop-filter: blur(8px);
}

.profile-modal-overlay--inline {
  position: relative;
  inset: auto;
  min-height: 60vh;
  background: transparent;
  backdrop-filter: none;
}

.profile-modal {
  width: min(420px, 100%);
  padding: 28px 24px;
  border-radius: var(--radius-card);
  background: linear-gradient(160deg, rgba(46, 16, 101, 0.95), rgba(15, 8, 36, 0.98));
  border: 1px solid rgba(168, 85, 247, 0.4);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  text-align: center;
}

.profile-modal-dyshi {
  width: 100px;
  margin: 0 auto 12px;
  display: block;
  filter: drop-shadow(0 8px 24px rgba(109, 40, 217, 0.5));
}

.profile-modal h2 {
  font-family: 'Sora', sans-serif;
  font-size: 1.35rem;
  margin-bottom: 8px;
}

.profile-modal p {
  color: var(--lavender);
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 20px;
}

.profile-modal label {
  display: block;
  text-align: left;
  font-size: 13px;
  color: var(--lavender);
  margin-bottom: 12px;
}

.profile-modal input {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(168, 85, 247, 0.35);
  background: rgba(0, 0, 0, 0.25);
  color: var(--white);
  font-family: inherit;
  font-size: 15px;
}

.profile-modal-actions {
  margin-top: 20px;
}

/* ---------- Beginner certificate ---------- */
.certificate-page-body {
  min-height: 100vh;
}

.certificate-page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding: 110px 20px 60px;
  max-width: 920px;
  margin: 0 auto;
}

.certificate-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.certificate-card {
  position: relative;
  width: min(760px, 100%);
  aspect-ratio: 1.414 / 1;
  max-height: none;
}

.certificate-border-glow {
  position: absolute;
  inset: -2px;
  border-radius: 28px;
  background: linear-gradient(135deg, var(--neon), var(--gold), var(--primary), var(--neon));
  opacity: 0.85;
  filter: blur(0.5px);
}

.certificate-inner {
  position: relative;
  height: 100%;
  padding: 36px 40px 32px;
  border-radius: 26px;
  background: linear-gradient(165deg, #1a0a3e 0%, #0f0824 45%, #2e1065 100%);
  border: 2px solid rgba(168, 85, 247, 0.35);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

.certificate-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 10%, rgba(168, 85, 247, 0.15), transparent 45%),
    radial-gradient(circle at 80% 90%, rgba(251, 191, 36, 0.08), transparent 40%);
  pointer-events: none;
}

.certificate-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.certificate-logo {
  width: 36px;
  height: 36px;
}

.certificate-brand {
  font-family: 'Manrope', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  color: var(--lavender);
}

.certificate-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(233, 213, 255, 0.65);
  margin-bottom: 6px;
}

.certificate-title {
  font-family: 'Sora', sans-serif;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  background: linear-gradient(90deg, var(--white), var(--lavender));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 4px;
}

.certificate-subtitle {
  font-size: 14px;
  color: rgba(233, 213, 255, 0.7);
  margin-bottom: 28px;
}

.certificate-awarded {
  font-size: 13px;
  color: rgba(233, 213, 255, 0.55);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 6px;
}

.certificate-name {
  font-family: 'Sora', sans-serif;
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 24px;
  line-height: 1.2;
}

.certificate-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px 32px;
  margin-bottom: 20px;
}

.certificate-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.certificate-meta-item span {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(233, 213, 255, 0.5);
}

.certificate-meta-item strong {
  font-family: 'Sora', sans-serif;
  font-size: 1rem;
  color: var(--white);
}

.certificate-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(168, 85, 247, 0.2);
  width: 100%;
  max-width: 520px;
}

.certificate-dyshi {
  width: 72px;
  flex-shrink: 0;
  filter: drop-shadow(0 6px 16px rgba(109, 40, 217, 0.45));
}

.certificate-dyshi-msg {
  font-size: 13px;
  color: var(--lavender);
  line-height: 1.45;
  text-align: left;
}

.certificate-seal {
  position: absolute;
  bottom: 24px;
  right: 28px;
  font-size: 28px;
  color: rgba(251, 191, 36, 0.35);
}

.certificate-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

@media print {
  body.certificate-page-body * {
    visibility: hidden;
  }

  body.certificate-page-body .certificate-card,
  body.certificate-page-body .certificate-card * {
    visibility: visible;
  }

  body.certificate-page-body .certificate-card {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    max-width: none;
    aspect-ratio: auto;
    min-height: 100vh;
  }

  .no-print {
    display: none !important;
  }

  canvas,
  .bg-grid,
  .bg-orb,
  .navbar {
    display: none !important;
  }
}
.learner-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(90px, 1fr)) auto;
  gap: 1px;
  max-width: 680px;
  margin: 24px auto 0;
  overflow: hidden;
  border: 1px solid rgba(196, 181, 253, 0.2);
  border-radius: 8px;
  color: #fff;
  background: rgba(24, 12, 52, 0.82);
  text-decoration: none;
}
.learner-summary > span {
  display: grid;
  gap: 4px;
  padding: 12px 16px;
  border-right: 1px solid rgba(196, 181, 253, 0.12);
  text-align: left;
}
.learner-summary small {
  color: rgba(233, 213, 255, 0.52);
  font-size: 10px;
  text-transform: uppercase;
}
.learner-summary strong { font-family: 'Sora', sans-serif; font-size: 14px; }
.learner-summary .learner-summary-open {
  align-content: center;
  border-right: 0;
  color: #a7f3d0;
  font: 700 12px 'Sora', sans-serif;
}
@media (max-width: 600px) {
  .learner-summary { grid-template-columns: repeat(3, 1fr); }
  .learner-summary .learner-summary-open { grid-column: 1 / -1; border-top: 1px solid rgba(196, 181, 253, 0.12); text-align: center; }
}