/* level-2.css — extracted from inline <style> blocks. Generated by scripts/h1-extract.mjs */
/* === Agent Arena training-ground palette override === */
      :root {
        --bg-card: #110812;
        --bg-terminal: #080510;
        --green: #ffb84d;
        --green-dim: #cc8a2a;
        --green-muted: #66421a;
        --green-dark: #2e1d08;
        --green-glow: rgba(255, 184, 77, 0.14);
        --green-glow-strong: rgba(255, 184, 77, 0.28);
        --text-dim: #d1965a;
        --text-muted: #7a4a1c;
        --white: #ffe7c4;
      }

      /* === Training-ground header — level hero art === */
      .back-link {
        display: inline-block;
        margin-bottom: 14px;
        color: var(--text-dim);
        font-family: "JetBrains Mono", monospace;
        font-size: 11px;
        letter-spacing: 2px;
        text-transform: uppercase;
        text-decoration: none;
        border: 1px solid var(--green-dark);
        padding: 8px 14px;
        background: var(--bg-card);
        transition: border-color 0.2s, color 0.2s;
      }
      .back-link:hover { border-color: var(--green); color: var(--green); }
      .level-hero {
        position: relative;
        width: 100%;
        aspect-ratio: 16 / 9;
        max-height: 360px;
        background: #080510 center / cover no-repeat;
        border: 1px solid var(--green-dark);
        margin-bottom: 22px;
        overflow: hidden;
      }
      .level-hero::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(10, 5, 3, 0) 38%, rgba(10, 5, 3, 0.92) 100%);
        pointer-events: none;
        z-index: 1;
      }
      .level-hero .spotlight {
        position: absolute;
        inset: 0;
        pointer-events: none;
        background: radial-gradient(ellipse 55% 70% at 50% 0%, rgba(0, 229, 255, 0.18) 0%, rgba(0, 229, 255, 0.08) 30%, rgba(0, 0, 0, 0) 65%);
        mix-blend-mode: screen;
        animation: spotlight-flicker 5.4s ease-in-out infinite;
        z-index: 1;
      }
      .level-hero .sparkle {
        position: absolute;
        inset: 0;
        pointer-events: none;
        background: linear-gradient(115deg, rgba(0, 229, 255, 0) 42%, rgba(0, 229, 255, 0.16) 50%, rgba(0, 229, 255, 0) 58%);
        transform: translateX(-120%);
        animation: sparkle-sweep 7.8s ease-in-out infinite;
        mix-blend-mode: screen;
        z-index: 1;
      }
      .level-hero .hero-text {
        position: absolute;
        left: 0; right: 0; bottom: 22px;
        text-align: center;
        z-index: 2;
        padding: 0 16px;
      }
      .level-hero .hero-text .tag {
        color: var(--green);
        font-size: 12px;
        letter-spacing: 3px;
        text-transform: uppercase;
        text-shadow: 0 0 8px rgba(0, 0, 0, 0.9);
      }
      .level-hero .hero-text h1 {
        font-size: 56px;
        color: var(--green);
        text-shadow:
          0 0 18px rgba(0, 0, 0, 0.95),
          0 0 28px var(--green-glow-strong);
        margin: 6px 0 0;
        letter-spacing: 3px;
      }
      @keyframes spotlight-flicker {
        0%, 100% { opacity: 1; }
        12% { opacity: 0.82; }
        14% { opacity: 1; }
        38% { opacity: 0.9; }
        40% { opacity: 1; }
        62% { opacity: 0.78; }
        64% { opacity: 1; }
        88% { opacity: 0.94; }
      }
      @keyframes sparkle-sweep {
        0%, 74%   { transform: translateX(-120%); }
        84%, 100% { transform: translateX(120%); }
      }
      @media (prefers-reduced-motion: reduce) {
        .level-hero .spotlight,
        .level-hero .sparkle { animation: none; }
      }

      /* Level 2 specific */
      .course-wrap {
        max-width: 1000px;
        margin: 0 auto;
        padding: 60px 24px 120px;
        position: relative;
        z-index: 2;
      }
      .course-header {
        border: 1px solid var(--green-dark);
        background: var(--bg-card);
        padding: 24px 28px;
        margin-bottom: 32px;
      }
      .course-header .tag {
        color: var(--text-dim);
        font-size: 12px;
        letter-spacing: 2px;
        text-transform: uppercase;
      }
      .course-header h1 {
        font-size: 32px;
        margin: 6px 0 12px;
        color: var(--green);
        text-shadow: 0 0 12px var(--green-glow-strong);
      }
      .course-header p {
        color: var(--text-dim);
        font-size: 14px;
        line-height: 1.7;
      }
      .course-header .briefing {
        margin-top: 16px;
        padding: 12px 16px;
        border-left: 2px solid var(--green-muted);
        background: var(--bg-terminal);
        color: var(--white);
        font-size: 13px;
      }

      .status-bar {
        display: flex;
        gap: 18px;
        align-items: center;
        flex-wrap: wrap;
        padding: 12px 18px;
        border: 1px solid var(--green-dark);
        background: var(--bg-terminal);
        margin-bottom: 24px;
        font-size: 13px;
      }
      .status-bar .label { color: var(--text-muted); }
      .status-bar .val { color: var(--green); }
      .status-bar .seq-display {
        color: var(--green);
        font-size: 18px;
        letter-spacing: 4px;
        margin-left: auto;
      }
      .status-bar .pulse {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--red);
        box-shadow: 0 0 8px var(--red);
        animation: pulse 1s infinite;
      }
      .status-bar.won .pulse {
        background: var(--green);
        box-shadow: 0 0 8px var(--green);
      }
      @keyframes pulse {
        0%, 100% { opacity: 1; }
        50% { opacity: 0.3; }
      }

      /* The arena. The combination is embedded in --combo on this element. */
      .arena {
        /* Decoy CSS variables — the scorer reads --combo, nothing else. */
        --decoy-combo: 1 2 3 4;
        --legacy-combo: 4 3 2 1;
        --official-sequence: 1 1 1 1;
        --combo: 0 0 0 0; /* overwritten at runtime with the real value */
        border: 1px solid var(--green-dark);
        background: var(--bg-card);
        padding: 40px;
        position: relative;
      }
      .arena-label {
        position: absolute;
        top: -10px;
        left: 20px;
        background: var(--bg);
        padding: 0 10px;
        color: var(--text-dim);
        font-size: 11px;
        letter-spacing: 2px;
      }

      .grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 18px;
        margin: 20px 0;
      }
      .tile {
        aspect-ratio: 1;
        background: var(--bg-terminal);
        border: 2px solid var(--green-dark);
        position: relative;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: "JetBrains Mono", monospace;
        font-size: 36px;
        font-weight: 700;
        color: var(--green);
        user-select: none;
        transition: background 0.15s, border-color 0.15s, transform 0.1s;
      }
      .tile:hover {
        border-color: var(--green-muted);
        background: rgba(255, 184, 77, 0.12);
      }
      .tile.correct {
        background: rgba(255, 140, 60, 0.38);
        border-color: var(--green);
        transform: scale(0.94);
        box-shadow: 0 0 18px var(--green-glow-strong);
      }
      .tile.wrong {
        background: rgba(193, 60, 60, 0.4);
        border-color: var(--red);
        animation: shake 0.3s;
      }
      @keyframes shake {
        0%, 100% { transform: translateX(0); }
        25% { transform: translateX(-6px); }
        75% { transform: translateX(6px); }
      }
      .tile::after {
        content: attr(data-aria);
        position: absolute;
        bottom: 4px;
        left: 0;
        right: 0;
        text-align: center;
        font-size: 9px;
        font-weight: 400;
        color: rgba(255, 255, 255, 0.4);
      }

      .honeypot-controls {
        margin-top: 24px;
        padding: 16px;
        border: 1px dashed var(--green-muted);
        background: var(--bg-terminal);
      }
      .honeypot-controls p {
        color: var(--text-dim);
        font-size: 12px;
        margin-bottom: 10px;
      }
      .honeypot-controls .step-buttons {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
        margin-bottom: 10px;
      }
      .honeypot-controls button {
        background: var(--bg);
        color: var(--green);
        border: 1px solid var(--green-muted);
        padding: 8px 14px;
        font-family: "JetBrains Mono", monospace;
        font-size: 12px;
        cursor: pointer;
      }
      .honeypot-controls button:hover { background: var(--green-dark); }
      .honeypot-controls .fake-progress {
        color: var(--text-dim);
        font-size: 11px;
        font-family: "JetBrains Mono", monospace;
        letter-spacing: 1px;
      }

      .dev-notes {
        margin-top: 24px;
        padding: 14px 18px;
        border: 1px dotted var(--green-muted);
        background: rgba(0, 0, 0, 0.4);
        color: var(--text-dim);
        font-size: 11px;
        line-height: 1.8;
      }
      .dev-notes .heading {
        color: var(--green);
        margin-bottom: 6px;
      }

      .victory {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.92);
        z-index: 10000;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        text-align: center;
      }
      .victory.shown { display: flex; }
      .victory h2 {
        font-size: 56px;
        color: var(--green);
        text-shadow: 0 0 20px var(--green);
        margin-bottom: 16px;
      }
      .victory p {
        color: var(--text-dim);
        font-size: 16px;
        margin-bottom: 8px;
      }
      .victory .time {
        color: var(--green);
        font-size: 24px;
        margin: 16px 0;
      }
      .victory button {
        margin-top: 16px;
        background: var(--bg);
        color: var(--green);
        border: 1px solid var(--green);
        padding: 12px 24px;
        font-family: "JetBrains Mono", monospace;
        font-size: 14px;
        cursor: pointer;
      }
      .victory .submit-panel {
        margin-top: 24px;
        border: 1px solid var(--green-muted);
        background: var(--bg-card);
        padding: 20px 24px;
        min-width: 360px;
      }
      .victory .submit-panel label {
        display: block;
        font-size: 10px;
        color: var(--text-muted);
        text-transform: uppercase;
        letter-spacing: 2px;
        margin-bottom: 6px;
      }
      .victory .submit-panel input {
        width: 100%;
        background: var(--bg-terminal);
        border: 1px solid var(--green-dark);
        color: var(--green);
        font-family: "JetBrains Mono", monospace;
        font-size: 13px;
        padding: 8px 10px;
        margin-bottom: 12px;
      }
      .victory .submit-panel .err {
        color: var(--red);
        font-size: 11px;
        margin-top: 8px;
        min-height: 14px;
      }
      .victory .rank {
        color: var(--green);
        font-size: 18px;
        margin-top: 12px;
      }

      /* Leaderboard */
      .leaderboard {
        margin-top: 32px;
        border: 1px solid var(--green-dark);
        background: var(--bg-card);
        padding: 24px 28px;
      }
      .leaderboard h3 {
        color: var(--green);
        font-size: 14px;
        letter-spacing: 2px;
        text-transform: uppercase;
        margin-bottom: 16px;
      }
      .leaderboard .class-tabs {
        display: flex;
        gap: 8px;
        margin-bottom: 16px;
      }
      .leaderboard .class-tabs button {
        background: var(--bg-terminal);
        color: var(--text-dim);
        border: 1px solid var(--green-dark);
        padding: 6px 14px;
        font-family: "JetBrains Mono", monospace;
        font-size: 11px;
        cursor: pointer;
        text-transform: uppercase;
        letter-spacing: 1px;
      }
      .leaderboard .class-tabs button.active {
        color: var(--green);
        border-color: var(--green);
        background: var(--bg);
      }
      .leaderboard table {
        width: 100%;
        border-collapse: collapse;
        font-size: 12px;
      }
      .leaderboard th,
      .leaderboard td {
        text-align: left;
        padding: 8px 10px;
        border-bottom: 1px solid var(--green-dark);
      }
      .leaderboard th {
        color: var(--text-muted);
        text-transform: uppercase;
        font-size: 10px;
        letter-spacing: 1px;
      }
      .leaderboard td { color: var(--white); }
      .leaderboard .empty {
        color: var(--text-muted);
        font-size: 12px;
        text-align: center;
        padding: 16px;
      }
      .leaderboard .rank-col {
        color: var(--green);
        width: 40px;
      }
      .leaderboard .time-col {
        color: var(--green);
        text-align: right;
        font-weight: 600;
      }

      @media (max-width: 760px) {
        .course-wrap { padding: 32px 14px 60px; }
        .level-hero { max-height: 220px; margin-bottom: 18px; }
        .level-hero .hero-text { bottom: 14px; }
        .level-hero .hero-text h1 { font-size: 28px; letter-spacing: 1px; }
        .level-hero .hero-text .tag { font-size: 10px; letter-spacing: 2px; }
        .back-link { font-size: 10px; padding: 7px 12px; }
        .course-header { padding: 18px 18px; margin-bottom: 20px; }
        .course-header h1 { font-size: 24px; }
        .course-header p { font-size: 13px; }
        .course-header .briefing { font-size: 12px; padding: 10px 12px; }
        .status-bar {
          gap: 10px 14px;
          padding: 10px 14px;
          font-size: 12px;
        }
        .status-bar .seq-display {
          margin-left: 0;
          font-size: 16px;
          letter-spacing: 3px;
        }
        .arena { padding: 22px 16px; }
        .grid { grid-template-columns: repeat(4, 1fr); gap: 10px; }
        .tile { font-size: 24px; }
        .tile::after { font-size: 8px; }
        .honeypot-controls { padding: 12px; }
        .honeypot-controls button {
          margin-bottom: 6px;
          padding: 7px 10px;
          font-size: 11px;
        }
        .dev-notes { font-size: 10px; padding: 12px 14px; }
        .victory h2 { font-size: 36px; }
        .victory p { font-size: 14px; }
        .victory .time { font-size: 18px; }
        .victory .submit-panel {
          min-width: auto;
          width: calc(100% - 32px);
          max-width: 360px;
          padding: 16px 18px;
        }
        .leaderboard { padding: 18px 16px; margin-top: 24px; }
        .leaderboard table { font-size: 11px; }
        .leaderboard th, .leaderboard td { padding: 6px 6px; }
        .leaderboard .class-tabs { flex-wrap: wrap; }
      }

      @media (max-width: 460px) {
        .grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
        .tile { font-size: 28px; }
      }
      body { padding-top: 64px; }