* {
      box-sizing: border-box;
      -webkit-tap-highlight-color: transparent;
    }

    html, body {
      margin: 0;
      padding: 0;
      font-family: "Inter", system-ui, sans-serif;
      background: #efe7da;
      color: #2b2b2b;
    }

    body {
      line-height: 1.55;
    }

    .page {
      min-height: 100vh;
      padding: 24px;
      background:
        radial-gradient(circle at top left, rgba(200, 90, 58, 0.08), transparent 24%),
        radial-gradient(circle at top right, rgba(45, 80, 22, 0.06), transparent 20%),
        linear-gradient(180deg, #f5efe5 0%, #efe7da 100%);
    }

    .page-header {
      max-width: 1320px;
      margin: 0 auto 20px;
      display: flex;
      justify-content: space-between;
      align-items: end;
      gap: 20px;
      flex-wrap: wrap;
    }

    .page-header h1 {
      margin: 0 0 6px;
      font-size: 28px;
      line-height: 1.1;
      letter-spacing: -0.03em;
    }

    .page-header p {
      margin: 0;
      color: #6b6b6b;
      max-width: 680px;
    }

    .toolbar {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .toolbar button {
      border: 0;
      border-radius: 999px;
      padding: 10px 14px;
      font: inherit;
      font-weight: 700;
      cursor: pointer;
      background: #ffffff;
      color: #2b2b2b;
      box-shadow: 0 8px 18px rgba(0,0,0,0.08);
      transition: transform 180ms ease-out, opacity 180ms ease-out;
    }

    .toolbar button:active {
      transform: scale(0.95);
      opacity: 0.92;
    }

    .preview-grid {
      max-width: 1320px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(2, minmax(320px, 1fr));
      gap: 24px;
      align-items: start;
    }

    @media (max-width: 980px) {
      .preview-grid {
        grid-template-columns: 1fr;
      }
    }

    .preview-card {
      border-radius: 30px;
      overflow: hidden;
      box-shadow: 0 24px 60px rgba(0,0,0,0.14);
      border: 1px solid rgba(0,0,0,0.06);
    }

    .preview-title {
      padding: 14px 18px;
      font-family: "Poppins", sans-serif;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.02em;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .device {
      max-width: 430px;
      margin: 0 auto;
      min-height: 920px;
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .theme {
      --radius-xl: 28px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --shadow: 0 14px 34px rgba(0,0,0,0.10);
      --transition-fast: 180ms ease-out;
      --pattern-opacity: 0.12;
      --scrim: rgba(0,0,0,0.5);
    }

    .theme.light {
      --bg: #FBF8F3;
      --surface: #FFFFFF;
      --surface-2: #F6F1EA;
      --surface-3: #EFE7DB;
      --primary: #C85A3A;
      --secondary: #E6B847;
      --accent: #2D5016;
      --text: #2B2B2B;
      --text-secondary: #6B6B6B;
      --error: #D64045;
      --success: #4D7A2F;
      --border: rgba(43,43,43,0.08);
      --soft-border: rgba(43,43,43,0.05);
      --hero-border: rgba(200,90,58,0.16);
      --topbar-bg: rgba(251,248,243,0.88);
      --nav-bg: rgba(255,255,255,0.92);
      --device-bg:
        radial-gradient(circle at 12% 10%, rgba(200,90,58,0.10), transparent 24%),
        radial-gradient(circle at 88% 12%, rgba(45,80,22,0.07), transparent 22%),
        linear-gradient(180deg, #fdfaf5 0%, #fbf8f3 100%);
    }

    .theme.dark {
      --bg: #1A1A1A;
      --surface: #2A2A2A;
      --surface-2: #323232;
      --surface-3: #3B3B3B;
      --primary: #E87856;
      --secondary: #F4C860;
      --accent: #4A8C3A;
      --text: #F5F5F5;
      --text-secondary: #A0A0A0;
      --error: #FF6B6F;
      --success: #7DC25B;
      --border: rgba(255,255,255,0.08);
      --soft-border: rgba(255,255,255,0.05);
      --hero-border: rgba(244,200,96,0.16);
      --topbar-bg: rgba(26,26,26,0.92);
      --nav-bg: rgba(31,31,31,0.94);
      --device-bg:
        radial-gradient(circle at 12% 10%, rgba(232,120,86,0.14), transparent 24%),
        radial-gradient(circle at 88% 12%, rgba(74,140,58,0.10), transparent 22%),
        linear-gradient(180deg, #1d1d1d 0%, #1A1A1A 100%);
      --shadow: 0 16px 36px rgba(0,0,0,0.28);
    }

    .device {
      background: var(--device-bg);
      color: var(--text);
    }

    .device::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      opacity: 0.05;
      background-image:
        radial-gradient(circle at 20% 20%, rgba(0,0,0,0.9) 0.55px, transparent 0.8px),
        radial-gradient(circle at 75% 45%, rgba(0,0,0,0.7) 0.45px, transparent 0.75px),
        radial-gradient(circle at 40% 78%, rgba(0,0,0,0.8) 0.45px, transparent 0.75px);
      background-size: 18px 18px, 22px 22px, 24px 24px;
      mix-blend-mode: multiply;
    }

    .theme.dark .device::before {
      opacity: 0.08;
      background-image:
        radial-gradient(circle at 20% 20%, rgba(255,255,255,0.8) 0.55px, transparent 0.8px),
        radial-gradient(circle at 75% 45%, rgba(255,255,255,0.6) 0.45px, transparent 0.75px),
        radial-gradient(circle at 40% 78%, rgba(255,255,255,0.6) 0.45px, transparent 0.75px);
      mix-blend-mode: soft-light;
    }

    .device::after {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      opacity: var(--pattern-opacity);
      background-image:
        linear-gradient(90deg, transparent 0, transparent 18px, var(--secondary) 18px, var(--secondary) 19px, transparent 19px, transparent 38px),
        linear-gradient(0deg, transparent 0, transparent 18px, var(--primary) 18px, var(--primary) 19px, transparent 19px, transparent 38px);
      background-size: 76px 76px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,0.16), transparent 62%);
      -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,0.16), transparent 62%);
    }

    .topbar {
      position: sticky;
      top: 0;
      z-index: 20;
      padding: 16px 16px 12px;
      background: var(--topbar-bg);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--soft-border);
    }

    .topbar-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
    }

    .brand-mark {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      background:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,0.18), transparent 24%),
        linear-gradient(135deg, var(--primary), color-mix(in srgb, var(--primary) 76%, #7a3b24 24%));
      border: 1px solid color-mix(in srgb, var(--secondary) 35%, transparent 65%);
      box-shadow: var(--shadow);
      flex-shrink: 0;
    }

    .brand-mark svg {
      width: 24px;
      height: 24px;
      stroke: #fffaf3;
      stroke-width: 2;
      fill: none;
    }

    .brand-copy h2 {
      margin: 0;
      font-size: 18px;
      line-height: 1;
      letter-spacing: -0.02em;
    }

    .brand-copy p {
      margin: 4px 0 0;
      font-size: 12px;
      color: var(--text-secondary);
      line-height: 1.4;
    }

    .status-row {
      display: flex;
      gap: 8px;
      flex-shrink: 0;
    }

    .pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 10px;
      border-radius: 999px;
      background: color-mix(in srgb, var(--surface) 78%, transparent 22%);
      border: 1px solid var(--soft-border);
      font-size: 12px;
      font-weight: 700;
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
    }

    .pill svg {
      width: 15px;
      height: 15px;
      stroke-width: 2;
      fill: none;
      stroke: currentColor;
    }

    .pill.cowrie { color: var(--secondary); }
    .pill.flame  { color: color-mix(in srgb, var(--secondary) 78%, var(--primary) 22%); }

    .content {
      padding: 0;
      position: relative;
      z-index: 1;
      flex: 1;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .hero,
    .card {
       position: relative;
       overflow: visible;
       background: transparent;
       border: none;
       border-radius: 0;
       box-shadow: none;
       padding: 0;
     }

    .hero {
      padding: 18px;
      border-radius: var(--radius-xl);
      background:
        radial-gradient(circle at 84% 18%, color-mix(in srgb, var(--secondary) 18%, transparent 82%), transparent 22%),
        radial-gradient(circle at 18% 78%, color-mix(in srgb, var(--accent) 16%, transparent 84%), transparent 26%),
        linear-gradient(145deg,
          color-mix(in srgb, var(--primary) 14%, var(--surface) 86%),
          color-mix(in srgb, var(--secondary) 8%, var(--surface) 92%));
      border-color: var(--hero-border);
    }

    .hero::before,
    .card::after {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      opacity: 0.14;
      background-image:
        linear-gradient(90deg, transparent 0, transparent 14px, var(--secondary) 14px, var(--secondary) 15px, transparent 15px, transparent 30px),
        linear-gradient(0deg, transparent 0, transparent 14px, var(--primary) 14px, var(--primary) 15px, transparent 15px, transparent 30px);
      background-size: 60px 60px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,0.12), transparent 72%);
      -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,0.12), transparent 72%);
    }

    .hero-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      background: color-mix(in srgb, var(--secondary) 12%, transparent 88%);
      border: 1px solid color-mix(in srgb, var(--secondary) 24%, transparent 76%);
      color: color-mix(in srgb, var(--secondary) 78%, var(--text) 22%);
      font-family: "Poppins", sans-serif;
      font-size: 12px;
      font-weight: 600;
    }

    .mascot {
      width: 78px;
      height: 78px;
      border-radius: 24px;
      display: grid;
      place-items: center;
      background: linear-gradient(180deg,
        color-mix(in srgb, var(--accent) 14%, transparent 86%),
        color-mix(in srgb, var(--surface) 88%, transparent 12%));
      border: 1px solid var(--soft-border);
      flex-shrink: 0;
    }

    .mascot svg {
      width: 54px;
      height: 54px;
    }

    .hero h3 {
      margin: 16px 0 8px;
      font-size: 26px;
      line-height: 1.1;
      letter-spacing: -0.03em;
    }

    .hero p {
      margin: 0;
      color: var(--text-secondary);
      font-size: 14px;
      line-height: 1.6;
      max-width: 300px;
    }

    .hero-actions,
    .footer-actions {
      display: flex;
      gap: 10px;
      margin-top: 16px;
    }

    .section {
      margin-top: 18px;
    }

    .section-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 12px;
      gap: 12px;
    }

    .section-header h4 {
      margin: 0;
      font-size: 16px;
      letter-spacing: -0.01em;
    }

    .section-header span {
      color: var(--secondary);
      font-family: "Poppins", sans-serif;
      font-size: 12px;
      font-weight: 600;
    }

    .card {
      padding: 16px;
    }

    .progress-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 14px;
      align-items: center;
    }

    .progress-meta h5 {
      margin: 0 0 6px;
      font-size: 15px;
      font-weight: 700;
    }

    .progress-meta p {
      margin: 0;
      color: var(--text-secondary);
      font-size: 13px;
    }

    .level-badge {
      width: 70px;
      height: 70px;
      border-radius: 20px;
      display: grid;
      place-items: center;
      text-align: center;
      background:
        radial-gradient(circle at 50% 28%, rgba(255,255,255,0.16), transparent 20%),
        linear-gradient(180deg, var(--primary), color-mix(in srgb, var(--primary) 75%, #7a3b24 25%));
      color: #fffaf3;
      border: 1px solid color-mix(in srgb, var(--secondary) 28%, transparent 72%);
      box-shadow: 0 12px 24px color-mix(in srgb, var(--primary) 22%, transparent 78%);
    }

    .level-badge span {
      display: block;
      font-family: "Poppins", sans-serif;
      font-size: 10px;
      opacity: 0.92;
    }

    .level-badge strong {
      display: block;
      font-size: 22px;
      line-height: 1;
    }

    .progress-bar {
      height: 12px;
      margin-top: 14px;
      border-radius: 999px;
      background: color-mix(in srgb, var(--text) 10%, transparent 90%);
      overflow: hidden;
    }

    .progress-fill {
      width: 68%;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--accent), var(--secondary));
      position: relative;
    }

    .progress-fill::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.22), transparent);
      transform: translateX(-100%);
      animation: sheen 3s infinite;
    }

    @keyframes sheen {
      100% { transform: translateX(100%); }
    }

    .stats-strip {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      margin-top: 16px;
    }

    .mini-stat {
      background: color-mix(in srgb, var(--surface-2) 92%, transparent 8%);
      border: 1px solid var(--soft-border);
      border-radius: 16px;
      padding: 12px;
    }

    .mini-stat-label {
      font-family: "Poppins", sans-serif;
      font-size: 11px;
      color: var(--text-secondary);
      margin-bottom: 6px;
    }

    .mini-stat-value {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 700;
      color: var(--text);
    }

    .mini-stat-value svg {
      width: 16px;
      height: 16px;
      stroke-width: 2;
      fill: none;
      stroke: currentColor;
    }

    .breath-dots {
      display: inline-flex;
      gap: 5px;
    }

    .breath-dots span {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: color-mix(in srgb, var(--secondary) 18%, transparent 82%);
      border: 1px solid color-mix(in srgb, var(--secondary) 30%, transparent 70%);
    }

    .breath-dots span.live {
      background: var(--secondary);
      box-shadow: 0 0 10px color-mix(in srgb, var(--secondary) 26%, transparent 74%);
    }

    .path {
      position: relative;
      padding: 12px 0 4px;
    }

    .path-line {
      position: absolute;
      left: 50%;
      transform: translateX(-50%);
      top: 8px;
      bottom: 6px;
      width: 6px;
      border-radius: 999px;
      background: linear-gradient(180deg, var(--accent), var(--primary));
      opacity: 0.52;
    }

    .lesson-node {
      position: relative;
      display: flex;
      margin: 18px 0;
    }

    .lesson-node.left { justify-content: flex-start; }
    .lesson-node.right { justify-content: flex-end; }

    .lesson {
      width: calc(50% + 40px);
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .lesson-node.right .lesson {
      justify-content: flex-end;
      text-align: right;
    }

    .lesson-orb {
      width: 70px;
      height: 70px;
      border-radius: 22px;
      display: grid;
      place-items: center;
      flex-shrink: 0;
      border: 2px solid var(--soft-border);
      box-shadow: var(--shadow);
      position: relative;
      overflow: hidden;
    }

    .lesson-orb svg {
      width: 30px;
      height: 30px;
      stroke-width: 2;
      fill: none;
      stroke: currentColor;
    }

    .lesson-orb.done {
      background: linear-gradient(180deg, var(--accent), color-mix(in srgb, var(--accent) 72%, #13210a 28%));
      color: #edf8e7;
    }

    .lesson-orb.current {
      background: linear-gradient(180deg, var(--primary), color-mix(in srgb, var(--primary) 78%, #8a3f28 22%));
      color: #fff7ef;
      outline: 4px solid color-mix(in srgb, var(--secondary) 18%, transparent 82%);
      animation: pulse 2s infinite ease-in-out;
    }

    .lesson-orb.locked {
      background: linear-gradient(180deg, var(--surface-3), var(--surface-2));
      color: var(--text-secondary);
    }

    .lesson-orb::after {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 35% 25%, rgba(255,255,255,0.16), transparent 20%);
      pointer-events: none;
    }

    @keyframes pulse {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.05); }
    }

    .lesson-copy {
      max-width: 126px;
    }

    .lesson-copy h5 {
      margin: 0 0 4px;
      font-size: 14px;
    }

    .lesson-copy p {
      margin: 0;
      font-size: 12px;
      color: var(--text-secondary);
    }

    .challenge {
      background:
        radial-gradient(circle at 82% 16%, color-mix(in srgb, var(--secondary) 16%, transparent 84%), transparent 22%),
        linear-gradient(135deg,
          color-mix(in srgb, var(--primary) 15%, var(--surface) 85%),
          color-mix(in srgb, var(--accent) 14%, var(--surface) 86%));
    }

    .challenge-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 14px;
    }

    .challenge-title h5 {
      margin: 0 0 4px;
      font-size: 16px;
    }

    .challenge-title p {
      margin: 0;
      color: var(--text-secondary);
      font-size: 13px;
    }

    .flame-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 12px;
      border-radius: 16px;
      color: var(--secondary);
      background: color-mix(in srgb, var(--secondary) 10%, transparent 90%);
      border: 1px solid color-mix(in srgb, var(--secondary) 18%, transparent 82%);
      font-family: "Poppins", sans-serif;
      font-size: 12px;
      font-weight: 600;
      white-space: nowrap;
    }

    .flame-badge svg {
      width: 16px;
      height: 16px;
      stroke-width: 2;
      fill: none;
      stroke: currentColor;
    }

    .question-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      margin-bottom: 14px;
    }

    .question-head h5 {
      margin: 0;
      font-size: 16px;
    }

    .question-type {
      padding: 7px 10px;
      border-radius: 999px;
      background: color-mix(in srgb, var(--accent) 12%, transparent 88%);
      border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent 82%);
      color: var(--accent);
      font-family: "Poppins", sans-serif;
      font-size: 12px;
      font-weight: 600;
    }

    .theme.dark .question-type {
      color: #b7dfab;
    }

    .prompt {
      font-size: 23px;
      font-weight: 700;
      line-height: 1.2;
      letter-spacing: -0.02em;
      margin-bottom: 8px;
    }

    .subprompt {
      color: var(--text-secondary);
      font-size: 14px;
      margin-bottom: 16px;
    }

    .answers {
      display: grid;
      gap: 10px;
    }

    .answer,
    .button {
      border: 0;
      outline: 0;
      cursor: pointer;
      transition:
        transform var(--transition-fast),
        opacity var(--transition-fast),
        box-shadow var(--transition-fast),
        border-color var(--transition-fast),
        background var(--transition-fast);
    }

    .answer {
      width: 100%;
      text-align: left;
      padding: 14px;
      border-radius: 16px;
      background: linear-gradient(180deg, var(--surface-2), color-mix(in srgb, var(--surface-2) 85%, var(--bg) 15%));
      border: 1px solid var(--soft-border);
      color: var(--text);
      font-family: "Inter", sans-serif;
      font-size: 15px;
      font-weight: 600;
    }

    .answer:hover {
      border-color: color-mix(in srgb, var(--secondary) 24%, transparent 76%);
    }

    .answer.correct {
      background: linear-gradient(180deg,
        color-mix(in srgb, var(--accent) 30%, var(--surface) 70%),
        color-mix(in srgb, var(--accent) 20%, var(--surface) 80%));
      border-color: color-mix(in srgb, var(--accent) 40%, transparent 60%);
      color: var(--text);
    }

    .answer.wrong {
      background: linear-gradient(180deg,
        color-mix(in srgb, var(--error) 22%, var(--surface) 78%),
        color-mix(in srgb, var(--error) 14%, var(--surface) 86%));
      border-color: color-mix(in srgb, var(--error) 38%, transparent 62%);
      color: var(--text);
    }

    .result {
      min-height: 22px;
      margin-top: 12px;
      font-size: 14px;
      font-weight: 700;
    }

    .result.success { color: var(--success); }
    .result.fail    { color: var(--error); }

    .button {
      border-radius: 16px;
      padding: 14px 16px;
      font: inherit;
      font-weight: 700;
      position: relative;
      flex: 1;
    }

    .button-primary {
      background:
        radial-gradient(circle at 50% 20%, rgba(255,255,255,0.12), transparent 24%),
        linear-gradient(180deg, var(--primary), color-mix(in srgb, var(--primary) 78%, #8d442b 22%));
      color: #fffaf4;
      box-shadow: 0 10px 22px color-mix(in srgb, var(--primary) 22%, transparent 78%);
    }

    .button-secondary {
      background: linear-gradient(180deg, var(--surface-2), var(--surface));
      color: var(--secondary);
      border: 1px solid color-mix(in srgb, var(--secondary) 16%, transparent 84%);
    }

    .answer:active,
    .button:active {
      transform: scale(0.95);
      opacity: 0.92;
    }

    .bottom-nav {
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      background: var(--nav-bg);
      backdrop-filter: blur(14px);
      border-top: 1px solid var(--soft-border);
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      padding: 10px 8px 14px;
      z-index: 10;
    }

    .nav-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 6px;
      color: var(--text-secondary);
      font-family: "Poppins", sans-serif;
      font-size: 11px;
      font-weight: 600;
    }

    .nav-item .icon-wrap {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: grid;
      place-items: center;
    }

    .nav-item svg {
      width: 20px;
      height: 20px;
      stroke-width: 2;
      fill: none;
      stroke: currentColor;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .nav-item.active {
      color: var(--secondary);
    }

    .nav-item.active .icon-wrap {
      background: color-mix(in srgb, var(--secondary) 10%, transparent 90%);
      border: 1px solid color-mix(in srgb, var(--secondary) 16%, transparent 84%);
    }

    .hidden {
      display: none !important;
    }

    .screen-container {
      flex: 1;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .screen {
       display: none;
       flex-direction: column;
       padding: 16px 16px 110px;
       overflow-y: auto;
       flex: 1;
       min-height: 100%;
     }

     .screen.active {
       display: flex;
     }

     /* New section styles */
     .challenge-section {
     margin-top: 20px;
     }

     .profile-header {
     display: flex;
     align-items: center;
     gap: 16px;
     padding: 20px 0;
     border-bottom: 1px solid var(--soft-border);
     margin-bottom: 24px;
     }

     .profile-avatar {
     width: 64px;
     height: 64px;
     border-radius: 50%;
     display: grid;
     place-items: center;
     background: color-mix(in srgb, var(--secondary) 10%, transparent 90%);
     border: 2px solid color-mix(in srgb, var(--secondary) 20%, transparent 80%);
     color: var(--secondary);
     }

     .profile-avatar svg {
     width: 40px;
     height: 40px;
     }

     .profile-info h3 {
     margin: 0 0 4px;
     font-size: 18px;
     }

     .profile-info p {
     margin: 0;
     font-size: 14px;
     color: var(--text-secondary);
     }

     .stats-grid {
     display: grid;
     grid-template-columns: repeat(2, 1fr);
     gap: 12px;
     margin-bottom: 24px;
     }

     .stat-card {
     background: color-mix(in srgb, var(--surface) 60%, var(--bg) 40%);
     border: 1px solid var(--soft-border);
     border-radius: 16px;
     padding: 16px;
     text-align: center;
     }

     .stat-label {
     font-size: 12px;
     color: var(--text-secondary);
     margin-bottom: 8px;
     }

     .stat-value {
     font-size: 24px;
     font-weight: 700;
     color: var(--secondary);
     }

     .achievements-section h4 {
     margin: 0 0 12px;
     font-size: 16px;
     }

     .achievement-list {
     display: flex;
     flex-direction: column;
     gap: 12px;
     }

     .achievement-item {
     display: flex;
     align-items: center;
     gap: 12px;
     padding: 12px;
     background: color-mix(in srgb, var(--surface) 60%, var(--bg) 40%);
     border-radius: 12px;
     border: 1px solid var(--soft-border);
     }

     .achievement-icon {
     font-size: 24px;
     flex-shrink: 0;
     }

     .achievement-text {
     flex: 1;
     }

     .achievement-title {
     font-weight: 600;
     font-size: 14px;
     margin-bottom: 2px;
     }

     .achievement-date {
     font-size: 12px;
     color: var(--text-secondary);
     }

     .rewards-section {
     display: flex;
     flex-direction: column;
     gap: 16px;
     margin-bottom: 24px;
     }

     .reward-item {
     display: flex;
     align-items: flex-start;
     gap: 14px;
     padding: 14px;
     background: color-mix(in srgb, var(--surface) 60%, var(--bg) 40%);
     border-radius: 14px;
     border: 1px solid var(--soft-border);
     }

     .reward-icon {
     width: 48px;
     height: 48px;
     border-radius: 12px;
     display: grid;
     place-items: center;
     flex-shrink: 0;
     font-size: 24px;
     }

     .reward-icon.cowrie-icon {
     background: color-mix(in srgb, #C18A14 15%, transparent 85%);
     color: #C18A14;
     }

     .theme.dark .reward-icon.cowrie-icon {
     background: color-mix(in srgb, #F4C860 15%, transparent 85%);
     color: #F4C860;
     }

     .reward-icon.flame-icon {
     background: color-mix(in srgb, var(--primary) 15%, transparent 85%);
     color: var(--primary);
     }

     .reward-icon.trophy-icon {
     background: color-mix(in srgb, var(--accent) 15%, transparent 85%);
     color: var(--accent);
     }

     .reward-icon svg {
     width: 24px;
     height: 24px;
     stroke-width: 2;
     fill: none;
     stroke: currentColor;
     }

     .reward-info h5 {
     margin: 0 0 4px;
     font-size: 14px;
     }

     .reward-count {
     font-weight: 600;
     font-size: 13px;
     color: var(--secondary);
     margin: 0 0 2px;
     }

     .reward-desc {
     margin: 0;
     font-size: 12px;
     color: var(--text-secondary);
     }

     .shop-preview {
     background: color-mix(in srgb, var(--surface) 60%, var(--bg) 40%);
     border: 1px solid var(--soft-border);
     border-radius: 14px;
     padding: 16px;
     }

     .shop-preview h4 {
     margin: 0 0 8px;
     font-size: 14px;
     }

     .shop-preview p {
     margin: 0;
     font-size: 13px;
     color: var(--text-secondary);
     }

     .profile-banner {
     text-align: center;
     padding: 20px 0;
     border-bottom: 1px solid var(--soft-border);
     margin-bottom: 24px;
     }

     .profile-avatar-large {
     width: 88px;
     height: 88px;
     border-radius: 50%;
     display: grid;
     place-items: center;
     background: color-mix(in srgb, var(--secondary) 12%, transparent 88%);
     border: 2px solid color-mix(in srgb, var(--secondary) 24%, transparent 76%);
     color: var(--secondary);
     margin: 0 auto 16px;
     }

     .profile-avatar-large svg {
     width: 56px;
     height: 56px;
     }

     .profile-banner h2 {
     margin: 0 0 4px;
     font-size: 20px;
     }

     .profile-bio {
     margin: 0;
     font-size: 13px;
     color: var(--text-secondary);
     }

     .profile-stats-row {
     display: grid;
     grid-template-columns: repeat(3, 1fr);
     gap: 12px;
     margin-bottom: 24px;
     }

     .profile-stat {
     background: color-mix(in srgb, var(--surface) 60%, var(--bg) 40%);
     border: 1px solid var(--soft-border);
     border-radius: 14px;
     padding: 14px;
     text-align: center;
     }

     .stat-big {
     font-size: 20px;
     font-weight: 700;
     color: var(--secondary);
     margin-bottom: 4px;
     }

     .stat-label {
     font-size: 11px;
     color: var(--text-secondary);
     font-weight: 600;
     text-transform: uppercase;
     letter-spacing: 0.02em;
     }

     .profile-section {
     margin-bottom: 24px;
     }

     .profile-section h4 {
     margin: 0 0 12px;
     font-size: 15px;
     }

     .learning-stats {
     display: flex;
     flex-direction: column;
     gap: 10px;
     }

     .learning-stat-item {
     display: flex;
     align-items: center;
     justify-content: space-between;
     padding: 12px;
     background: color-mix(in srgb, var(--surface) 60%, var(--bg) 40%);
     border-radius: 12px;
     border: 1px solid var(--soft-border);
     font-size: 13px;
     }

     .learning-stat-item span:first-child {
     color: var(--text-secondary);
     }

     .learning-stat-value {
     font-weight: 600;
     color: var(--secondary);
     }

    /* Lesson styles */
    .lesson-view {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .lesson-header h3 {
      margin: 0 0 4px;
      font-size: 24px;
    }

    .lesson-subtitle {
      margin: 0;
      font-size: 14px;
      color: var(--text-secondary);
    }

    .lesson-progress {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .progress-text {
      margin: 0;
      font-size: 13px;
      color: var(--text-secondary);
    }

    .vocabulary-section h4,
    .example-section h4 {
      margin: 0 0 12px;
      font-size: 15px;
    }

    .vocabulary-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .vocab-item {
      padding: 12px;
      background: color-mix(in srgb, var(--surface) 60%, var(--bg) 40%);
      border: 1px solid var(--soft-border);
      border-radius: 12px;
    }

    .vocab-yoruba {
      font-size: 16px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 4px;
    }

    .vocab-english {
      font-size: 14px;
      margin-bottom: 4px;
    }

    .vocab-pronunciation {
      font-size: 12px;
      color: var(--text-secondary);
      font-style: italic;
    }

    .audio-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 14px;
      background: color-mix(in srgb, var(--surface) 60%, var(--bg) 40%);
      border: 1px solid var(--soft-border);
      border-radius: 12px;
    }

    .audio-text {
      flex: 1;
    }

    .audio-title {
      font-size: 12px;
      color: var(--text-secondary);
      margin-bottom: 4px;
    }

    .audio-phrase {
      font-size: 15px;
      font-weight: 600;
    }

    .audio-button {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      border: none;
      background: var(--primary);
      color: white;
      cursor: pointer;
      display: grid;
      place-items: center;
      flex-shrink: 0;
      transition: transform 180ms ease-out, opacity 180ms ease-out;
    }

    .audio-button:active {
      transform: scale(0.92);
      opacity: 0.85;
    }

    .audio-button svg {
      width: 20px;
      height: 20px;
    }