:root {
      --bg1: #ffffff;
      --bg2: #fff6e8;
      --ink: #111827;
      --muted: #6b7280;

      --orange: #ff6a00;
      --yellow: #ffd000;
      --red: #ff2d55;
      --blue: #2f6bff;
      --brown: #8a5a2b;
      --white: #ffffff;

      --glass: rgba(255, 255, 255, .55);
      --glass2: rgba(255, 255, 255, .35);
      --stroke: rgba(17, 24, 39, .12);
      --shadow: 0 20px 60px rgba(0, 0, 0, .12);
      --shadow2: 0 14px 40px rgba(0, 0, 0, .10);
      --radius: 24px;

      --holoA: linear-gradient(135deg, rgba(255, 106, 0, .85), rgba(255, 208, 0, .75), rgba(47, 107, 255, .75), rgba(255, 45, 85, .70));
      --holoB: radial-gradient(1200px 600px at 20% 20%, rgba(255, 106, 0, .35), transparent 55%),
        radial-gradient(1100px 600px at 80% 30%, rgba(47, 107, 255, .28), transparent 60%),
        radial-gradient(900px 500px at 45% 80%, rgba(255, 45, 85, .22), transparent 55%),
        radial-gradient(900px 500px at 55% 35%, rgba(255, 208, 0, .22), transparent 55%);
    }

    * {
      box-sizing: border-box;
    }

    html,
    body {
      height: 100%;
    }

    body {
      margin: 0;
      font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
      color: var(--ink);
      background: var(--bg1);
      overflow-x: hidden;
    }

    /* ===== Moving hologram background ===== */
    .bg {
      position: fixed;
      inset: 0;
      z-index: -3;
      background: var(--holoB);
    }

    .bg::before {
      content: "";
      position: absolute;
      inset: -30%;
      background: var(--holoA);
      filter: blur(60px) saturate(140%);
      opacity: .35;
      animation: drift 16s linear infinite;
      transform: translate3d(0, 0, 0) rotate(0deg);
    }

    .bg::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(2px 2px at 10% 20%, rgba(0, 0, 0, .12), transparent 60%),
        radial-gradient(1.5px 1.5px at 30% 70%, rgba(0, 0, 0, .10), transparent 60%),
        radial-gradient(1.5px 1.5px at 60% 40%, rgba(0, 0, 0, .08), transparent 60%),
        radial-gradient(2px 2px at 80% 60%, rgba(0, 0, 0, .10), transparent 60%),
        radial-gradient(1.5px 1.5px at 90% 20%, rgba(0, 0, 0, .08), transparent 60%);
      opacity: .25;
      mix-blend-mode: multiply;
      pointer-events: none;
    }

    @keyframes drift {
      0% {
        transform: translate(-4%, -2%) rotate(0deg) scale(1.05);
      }

      50% {
        transform: translate(4%, 3%) rotate(180deg) scale(1.12);
      }

      100% {
        transform: translate(-4%, -2%) rotate(360deg) scale(1.05);
      }
    }

    /* ===== Soft chemical icons watermark ===== */
    .watermark {
      position: fixed;
      inset: 0;
      z-index: -2;
      pointer-events: none;
      opacity: .08;
      background-image:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cg fill='none' stroke='%23111827' stroke-width='3'%3E%3Cpath d='M90 18c15 24 28 46 28 66a28 28 0 1 1-56 0c0-20 13-42 28-66Z'/%3E%3Cpath d='M52 138h76'/%3E%3Cpath d='M64 158h52'/%3E%3Ccircle cx='62' cy='118' r='4'/%3E%3Ccircle cx='118' cy='118' r='4'/%3E%3Cpath d='M36 54h18'/%3E%3Cpath d='M126 54h18'/%3E%3Cpath d='M44 44v20'/%3E%3Cpath d='M136 44v20'/%3E%3C/g%3E%3C/svg%3E");
      background-size: 220px 220px;
      background-repeat: repeat;
      animation: slide 22s linear infinite;
    }

    @keyframes slide {
      0% {
        background-position: 0 0;
      }

      100% {
        background-position: 300px 260px;
      }
    }

    /* ===== Layout ===== */
    .wrap {
      min-height: 100%;
      display: flex;
      flex-direction: column;
      padding: 18px 16px 80px;
    }

    .shell {
      width: min(980px, 100%);
      margin: 0 auto;
      display: grid;
      gap: 14px;
    }

    .topbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding: 10px 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .55);
      border: 1px solid var(--stroke);
      backdrop-filter: blur(10px);
      box-shadow: 0 10px 30px rgba(0, 0, 0, .08);
      position: sticky;
      top: 12px;
      z-index: 5;
    }

    .topbar.hidden {
      display: none;
    }

    /* ✅ cover tidak ada topbar */

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 220px;
      cursor: pointer;
    }

    .logoDot {
      width: 38px;
      height: 38px;
      border-radius: 999px;
      background: conic-gradient(from 220deg, var(--orange), var(--yellow), var(--blue), var(--red), var(--orange));
      box-shadow: 0 10px 30px rgba(0, 0, 0, .12);
      position: relative;
      overflow: hidden;
    }

    .logoDot::after {
      content: "";
      position: absolute;
      inset: -30%;
      background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, .9), transparent 50%);
      animation: shimmer 2.2s ease-in-out infinite;
    }

    @keyframes shimmer {

      0%,
      100% {
        transform: translate(-10%, -5%) rotate(0deg);
        opacity: .7;
      }

      50% {
        transform: translate(10%, 5%) rotate(25deg);
        opacity: 1;
      }
    }

    .brand h1 {
      margin: 0;
      font-size: 14px;
      letter-spacing: .2px;
      line-height: 1.1;
    }

    .brand small {
      display: block;
      color: var(--muted);
      font-weight: 600;
      margin-top: 2px;
      letter-spacing: .6px;
      text-transform: uppercase;
      font-size: 11px;
    }

    .nav {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .chip {
      border: 1px solid var(--stroke);
      background: rgba(255, 255, 255, .5);
      padding: 8px 12px;
      border-radius: 999px;
      font-weight: 700;
      font-size: 12px;
      cursor: pointer;
      transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
      user-select: none;
    }

    .chip:hover {
      transform: translateY(-1px);
      box-shadow: 0 10px 20px rgba(0, 0, 0, .08);
    }

    .chip.active {
      background: linear-gradient(135deg, rgba(255, 106, 0, .22), rgba(47, 107, 255, .16));
      border-color: rgba(47, 107, 255, .25);
    }

    .chip.locked {
      opacity: .45;
      pointer-events: none;
      filter: grayscale(20%);
    }

    .card {
      background: rgba(255, 255, 255, .60);
      border: 1px solid var(--stroke);
      border-radius: var(--radius);
      box-shadow: var(--shadow2);
      backdrop-filter: blur(12px);
      overflow: hidden;
    }

    .cardPad {
      padding: 18px;
    }

    .grid2 {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 14px;
      align-items: stretch;
    }

    @media (max-width: 900px) {
      .grid2 {
        grid-template-columns: 1fr;
      }

      .brand {
        min-width: auto;
      }
    }

    .titleXL {
      margin: 0 0 8px;
      font-size: 40px;
      letter-spacing: .2px;
      font-family: initial
    }

    .subtitle {
      margin: 0 0 14px;
      color: var(--muted);
      font-weight: 600;
      line-height: 1.4;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid var(--stroke);
      background: rgba(255, 255, 255, .55);
      font-weight: 800;
      font-size: 12px;
      letter-spacing: .4px;
    }

    .badge i {
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: conic-gradient(from 180deg, var(--orange), var(--yellow), var(--blue), var(--red));
      display: inline-block;
    }

    .form {
      display: grid;
      gap: 10px;
      margin-top: 14px;
    }

    .field {
      display: grid;
      gap: 6px;
    }

    label {
      font-size: 12px;
      font-weight: 800;
      color: rgba(17, 24, 39, .85);
      letter-spacing: .3px;
      text-transform: uppercase;
    }

    input,
    textarea,
    select {
      width: 100%;
      padding: 14px 14px;
      border-radius: 16px;
      border: 1px solid rgba(17, 24, 39, .16);
      background: rgba(255, 255, 255, .85);
      outline: none;
      font-size: 14px;
      font-weight: 650;
      transition: box-shadow .15s ease, transform .15s ease, border-color .15s ease;
    }

    input:focus,
    textarea:focus,
    select:focus {
      border-color: rgba(47, 107, 255, .35);
      box-shadow: 0 0 0 6px rgba(47, 107, 255, .12);
    }

    .btn {
      appearance: none;
      border: 0;
      cursor: pointer;
      border-radius: 18px;
      padding: 14px 16px;
      font-weight: 900;
      letter-spacing: .4px;
      text-transform: uppercase;
      transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      user-select: none;
      white-space: nowrap;
    }

    .btnPrimary {
      background: linear-gradient(90deg, rgba(255, 106, 0, .95), rgba(47, 107, 255, .90));
      color: #fff;
      box-shadow: 0 18px 50px rgba(47, 107, 255, .18);
    }

    .btnPrimary:hover {
      transform: translateY(-1px);
      filter: brightness(1.02);
    }

    .btnGhost {
      background: rgba(255, 255, 255, .55);
      border: 1px solid var(--stroke);
      color: var(--ink);
    }

    .btnGhost:hover {
      transform: translateY(-1px);
      box-shadow: 0 12px 30px rgba(0, 0, 0, .10);
    }

    .btn[disabled],
    .btn.disabled {
      opacity: .55;
      pointer-events: none;
      filter: grayscale(15%);
    }

    .hint {
      font-size: 12px;
      color: var(--muted);
      line-height: 1.45;
    }

    .divider {
      height: 1px;
      background: rgba(17, 24, 39, .10);
      margin: 14px 0;
    }

    /* ===== Mascot (Y2K Fire+Water) ===== */
    .mascotWrap {
      display: grid;
      place-items: center;
      padding: 16px 10px;
      position: relative;
      min-height: 360px;
    }

    .mascotRing {
      width: 260px;
      height: 260px;
      border-radius: 999px;
      background: conic-gradient(from 240deg, rgba(255, 106, 0, .92), rgba(255, 208, 0, .86), rgba(47, 107, 255, .86), rgba(255, 45, 85, .78), rgba(255, 106, 0, .92));
      filter: saturate(125%);
      box-shadow: 0 30px 90px rgba(0, 0, 0, .14);
      position: absolute;
      top: 14px;
      animation: ringBob 3.2s ease-in-out infinite;
    }

    @keyframes ringBob {

      0%,
      100% {
        transform: translateY(0) rotate(0deg);
      }

      50% {
        transform: translateY(-10px) rotate(8deg);
      }
    }

    .mascot {
      width: 230px;
      max-width: 92%;
      position: relative;
      z-index: 2;
      animation: mascotFloat 2.8s ease-in-out infinite;
      filter: drop-shadow(0 18px 24px rgba(0, 0, 0, .18));
    }

    @keyframes mascotFloat {

      0%,
      100% {
        transform: translateY(0);
      }

      50% {
        transform: translateY(-10px);
      }
    }

    .centerCol {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    .coverMascot {
      display: grid;
      place-items: center;
      margin: 10px auto 8px;
      width: 100%;
    }

    /* ===== Modules ===== */
    .modules {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }

    @media (max-width: 900px) {
      .modules {
        grid-template-columns: 1fr;
      }
    }

    .module {
      border-radius: 22px;
      border: 1px solid var(--stroke);
      background: rgba(255, 255, 255, .58);
      padding: 14px;
      box-shadow: 0 16px 40px rgba(0, 0, 0, .10);
      display: flex;
      flex-direction: column;
      gap: 10px;
      min-height: 180px;
    }

    .module h3 {
      margin: 0;
      font-size: 16px;
    }

    .module p {
      margin: 0;
      color: var(--muted);
      font-weight: 650;
      line-height: 1.45;
      font-size: 13px;
    }

    .pillRow {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      align-items: center;
    }

    .pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 10px;
      border-radius: 999px;
      border: 1px solid rgba(17, 24, 39, .12);
      background: rgba(255, 255, 255, .65);
      font-size: 12px;
      font-weight: 900;
      letter-spacing: .25px;
    }

    .pill .dot {
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: conic-gradient(from 180deg, var(--orange), var(--yellow), var(--blue), var(--red));
    }

    .contentBox {
      border-radius: 18px;
      border: 1px solid rgba(17, 24, 39, .12);
      background: rgba(255, 255, 255, .70);
      padding: 12px;
      min-height: 160px;
      overflow: auto;
    }

    /* ===== Quiz ===== */
    .quizQ {
      border: 1px solid rgba(17, 24, 39, .10);
      border-radius: 18px;
      padding: 12px;
      background: rgba(255, 255, 255, .62);
      display: grid;
      gap: 8px;
      margin: 10px 0;
    }

    .quizQ strong {
      font-size: 13px;
    }

    .opt {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      padding: 10px;
      border-radius: 14px;
      border: 1px solid rgba(17, 24, 39, .10);
      background: rgba(255, 255, 255, .78);
      cursor: pointer;
      user-select: none;
      transition: transform .12s ease;
    }

    .opt:hover {
      transform: translateY(-1px);
    }

    .opt input {
      margin-top: 2px;
      width: 15px;
    }

    .scoreBadge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .70);
      border: 1px solid rgba(17, 24, 39, .12);
      font-weight: 900;
      font-size: 12px;
    }

    /* ===== Tables (Admin) ===== */
    table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      overflow: hidden;
      border: 1px solid rgba(17, 24, 39, .12);
      border-radius: 18px;
      background: rgba(255, 255, 255, .65);
    }

    th,
    td {
      padding: 10px 10px;
      border-bottom: 1px solid rgba(17, 24, 39, .08);
      text-align: left;
      font-size: 12px;
      font-weight: 700;
      vertical-align: top;
    }

    th {
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: .3px;
    }

    tr:last-child td {
      border-bottom: none;
    }

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

    .lockHint {
      font-size: 12px;
      color: var(--muted);
      font-weight: 650;
      margin-top: 8px;
    }

    /* ===== Chatbot ===== */
    .chatbot {
      position: fixed;
      right: 14px;
      bottom: 14px;
      width: 320px;
      max-width: calc(100vw - 28px);
      z-index: 50;
      border-radius: 22px;
      overflow: hidden;
      border: 1px solid rgba(17, 24, 39, .14);
      background: rgba(255, 255, 255, .68);
      backdrop-filter: blur(12px);
      box-shadow: 0 24px 80px rgba(0, 0, 0, .20);
      transform: translateY(0);
      transition: transform .18s ease, opacity .18s ease;
    }

    .chatbot.hidden {
      transform: translateY(18px);
      opacity: 0;
      pointer-events: none;
    }

    .chatHead {
      padding: 12px 12px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      background: linear-gradient(90deg, rgba(255, 106, 0, .22), rgba(47, 107, 255, .18));
      border-bottom: 1px solid rgba(17, 24, 39, .10);
    }

    .chatHead strong {
      font-size: 12px;
      letter-spacing: .4px;
      text-transform: uppercase;
    }

    .chatBody {
      padding: 10px 10px;
      height: 260px;
      overflow: auto;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .bubble {
      max-width: 88%;
      padding: 10px 12px;
      border-radius: 16px;
      border: 1px solid rgba(17, 24, 39, .10);
      font-size: 12px;
      line-height: 1.35;
      font-weight: 650;
      white-space: pre-wrap;
    }

    .bubble.user {
      margin-left: auto;
      background: rgba(47, 107, 255, .10);
    }

    .bubble.bot {
      background: rgba(255, 255, 255, .80);
    }

    .chatFoot {
      padding: 10px;
      display: flex;
      gap: 8px;
      border-top: 1px solid rgba(17, 24, 39, .10);
      background: rgba(255, 255, 255, .55);
    }

    .chatFoot input {
      border-radius: 14px;
      padding: 12px 12px;
      font-weight: 700;
    }

    .chatToggle {
      position: fixed;
      right: 14px;
      bottom: 14px;
      z-index: 49;
      width: 52px;
      height: 52px;
      border-radius: 999px;
      border: 1px solid rgba(17, 24, 39, .14);
      background: conic-gradient(from 200deg, rgba(255, 106, 0, .90), rgba(255, 208, 0, .85), rgba(47, 107, 255, .85), rgba(255, 45, 85, .78));
      box-shadow: 0 18px 60px rgba(0, 0, 0, .18);
      cursor: pointer;
      display: none;
      align-items: center;
      justify-content: center;
      user-select: none;
    }

    .chatToggle span {
      width: 40px;
      height: 40px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .70);
      display: grid;
      place-items: center;
      font-weight: 1000;
    }

    .footerNote {
      text-align: center;
      color: var(--muted);
      font-size: 12px;
      font-weight: 650;
      margin-top: 18px;
    }

    /* ===== Drag and Drop Styles ===== */
    .drop-zone {
      min-height: 40px;
      padding: 8px;
      border: 2px dashed rgba(17, 24, 39, 0.2);
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.5);
      transition: all 0.2s ease;
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      align-items: flex-start;
      align-content: flex-start;
    }

    .drop-zone.drag-over {
      background: rgba(47, 107, 255, 0.1);
      border-color: rgba(47, 107, 255, 0.5);
    }

    .drag-item {
      padding: 6px 12px;
      background: #fff;
      border: 1px solid rgba(17, 24, 39, 0.1);
      border-radius: 6px;
      cursor: grab;
      font-size: 12px;
      font-weight: 600;
      user-select: none;
      box-shadow: 0 2px 4px rgba(0,0,0,0.05);
      transition: transform 0.1s ease, opacity 0.1s ease;
    }

    .drag-item:active {
      cursor: grabbing;
    }

    .drag-item.dragging {
      opacity: 0.5;
      transform: scale(1.05);
    }

    /* ===== Auth Tabs ===== */
    .authTab {
      background: rgba(255, 255, 255, .55);
      border: 1px solid var(--stroke);
      color: var(--muted);
      font-weight: 800;
      transition: background .15s ease, color .15s ease;
    }

    .authTab.active {
      background: linear-gradient(90deg, rgba(255, 106, 0, .95), rgba(47, 107, 255, .90));
      color: #fff;
      border-color: transparent;
    }

    .authTab:hover:not(.active) {
      background: rgba(255, 255, 255, .75);
    }