:root {
      --bg: #0a0a0a;
      --neon-green: #00ff41;
      --neon-cyan: #00f5ff;
      --critical: #ff003c;
      --weak: #ff6600;
      --moderate: #ffe600;
      --strong: #00f5ff;
      --fortress: #00ff41;
      --text-dim: rgba(0, 255, 65, 0.45);
      --glow-green: 0 0 8px rgba(0, 255, 65, 0.85), 0 0 24px rgba(0, 255, 65, 0.35);
      --glow-cyan: 0 0 8px rgba(0, 245, 255, 0.85), 0 0 24px rgba(0, 245, 255, 0.35);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html, body {
      min-height: 100%;
      font-family: "Fira Code", "Courier New", monospace;
      background: #000;
      color: var(--neon-green);
      overflow-x: hidden;
    }

    #matrix-canvas {
      position: fixed;
      inset: 0;
      z-index: 0;
      opacity: 0.35;
      pointer-events: none;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      z-index: 100;
      pointer-events: none;
      background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.15),
        rgba(0, 0, 0, 0.15) 1px,
        transparent 1px,
        transparent 3px
      );
      mix-blend-mode: overlay;
    }

    body::after {
      content: "";
      position: fixed;
      inset: 0;
      z-index: 99;
      pointer-events: none;
      background: radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, 0.5) 100%);
    }

    .boot-overlay {
      position: fixed;
      inset: 0;
      z-index: 200;
      background: #000;
      display: flex;
      align-items: flex-start;
      justify-content: center;
      padding: 2rem 1.5rem;
      transition: opacity 0.6s ease, visibility 0.6s;
    }

    .boot-overlay.done {
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
    }

    .boot-overlay.done .boot-terminal {
      animation: none;
    }

    .boot-terminal {
      width: 100%;
      max-width: 680px;
      font-size: 0.78rem;
      line-height: 1.55;
      color: var(--neon-cyan);
      text-shadow: 0 0 6px rgba(0, 245, 255, 0.5);
      animation: bootFlicker 0.12s infinite;
    }

    @keyframes bootFlicker {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.92; filter: brightness(1.05); }
    }

    .boot-line {
      opacity: 0;
      animation: bootFade 0.08s forwards;
    }

    @keyframes bootFade {
      to { opacity: 1; }
    }

    .flash-fortress {
      position: fixed;
      inset: 0;
      z-index: 50;
      pointer-events: none;
      background: radial-gradient(circle, rgba(0, 255, 65, 0.25) 0%, transparent 70%);
      opacity: 0;
      animation: flashFortress 0.6s ease-out forwards;
    }

    @keyframes flashFortress {
      0% { opacity: 0; }
      20% { opacity: 1; }
      100% { opacity: 0; }
    }

    .particles {
      position: fixed;
      inset: 0;
      z-index: 51;
      pointer-events: none;
      overflow: hidden;
    }

    .particle {
      position: absolute;
      width: 4px;
      height: 4px;
      background: var(--neon-green);
      border-radius: 50%;
      box-shadow: var(--glow-green);
      animation: particleFly 0.8s ease-out forwards;
    }

    @keyframes particleFly {
      to {
        transform: translate(var(--tx), var(--ty)) scale(0);
        opacity: 0;
      }
    }

    .app-wrap {
      position: relative;
      z-index: 10;
      min-height: 100vh;
      padding: 1.5rem 1rem 2.5rem;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .app-wrap.hidden-until-boot {
      opacity: 0;
      pointer-events: none;
    }

    .app-wrap.visible {
      opacity: 1;
      pointer-events: auto;
      transition: opacity 0.5s ease 0.15s;
    }

    .container {
      width: 100%;
      max-width: 680px;
    }

    header {
      text-align: center;
      margin-bottom: 1.75rem;
    }

    .glitch-title {
      font-size: clamp(1.35rem, 4.5vw, 1.85rem);
      font-weight: 600;
      letter-spacing: 0.12em;
      color: var(--neon-green);
      text-shadow: var(--glow-green);
      position: relative;
      animation: glitchSkew 4s infinite linear alternate-reverse;
    }

    .glitch-title::before,
    .glitch-title::after {
      content: attr(data-text);
      position: absolute;
      left: 0;
      right: 0;
      top: 0;
      overflow: hidden;
      clip-path: inset(0 0 0 0);
    }

    .glitch-title::before {
      color: var(--neon-cyan);
      animation: glitch1 2.5s infinite linear alternate-reverse;
      opacity: 0.85;
    }

    .glitch-title::after {
      color: var(--critical);
      animation: glitch2 3s infinite linear alternate-reverse;
      opacity: 0.7;
    }

    @keyframes glitch1 {
      0%, 90%, 100% { transform: translate(0); clip-path: inset(0 0 0 0); }
      92% { transform: translate(-2px, 1px); clip-path: inset(8% 0 60% 0); }
      94% { transform: translate(2px, -1px); clip-path: inset(40% 0 20% 0); }
    }

    @keyframes glitch2 {
      0%, 88%, 100% { transform: translate(0); clip-path: inset(0 0 0 0); }
      91% { transform: translate(2px, 0); clip-path: inset(55% 0 10% 0); }
      93% { transform: translate(-1px, 2px); clip-path: inset(15% 0 50% 0); }
    }

    @keyframes glitchSkew {
      0%, 100% { transform: skewX(0); }
      96% { transform: skewX(-0.5deg); }
      98% { transform: skewX(0.3deg); }
    }

    .subtitle {
      margin-top: 0.65rem;
      font-size: 0.72rem;
      color: var(--neon-cyan);
      letter-spacing: 0.28em;
      text-transform: uppercase;
      opacity: 0.9;
      text-shadow: 0 0 10px rgba(0, 245, 255, 0.4);
    }

    .panel {
      background: rgba(5, 10, 8, 0.82);
      border: 1px solid rgba(0, 255, 65, 0.45);
      border-radius: 4px;
      padding: 1rem 1.1rem;
      margin-bottom: 1rem;
      box-shadow: 0 0 12px rgba(0, 255, 65, 0.15), inset 0 0 30px rgba(0, 245, 255, 0.03);
      backdrop-filter: blur(4px);
    }

    .input-row {
      display: flex;
      align-items: stretch;
      gap: 0.5rem;
    }

    .terminal-input-wrap {
      flex: 1;
      display: flex;
      align-items: center;
      border: 1px solid rgba(0, 245, 255, 0.5);
      border-radius: 3px;
      padding: 0.55rem 0.65rem;
      box-shadow: var(--glow-cyan);
      background: rgba(0, 0, 0, 0.65);
      min-height: 48px;
    }

    .prompt {
      color: var(--neon-cyan);
      font-weight: 600;
      margin-right: 0.35rem;
      flex-shrink: 0;
      text-shadow: 0 0 8px rgba(0, 245, 255, 0.6);
    }

    .input-inner {
      flex: 1;
      position: relative;
      display: flex;
      align-items: center;
      min-width: 0;
    }

    .pwd-field {
      flex: 1;
      width: 100%;
      background: transparent;
      border: none;
      outline: none;
      color: var(--neon-green);
      font-family: inherit;
      font-size: 0.95rem;
      letter-spacing: 0.04em;
      caret-color: var(--neon-green);
    }

    .pwd-field::placeholder {
      color: var(--text-dim);
    }

    .fake-cursor {
      display: inline-block;
      width: 0.55em;
      height: 1.1em;
      margin-left: 2px;
      background: var(--neon-green);
      animation: blink 1s step-end infinite;
      vertical-align: text-bottom;
      box-shadow: 0 0 6px var(--neon-green);
    }

    .pwd-field:not(:placeholder-shown) ~ .fake-cursor,
    .pwd-field:focus ~ .fake-cursor {
      opacity: 0;
      width: 0;
      margin: 0;
    }

    @keyframes blink {
      50% { opacity: 0; }
    }

    .toggle-vis {
      flex-shrink: 0;
      width: 44px;
      border: 1px solid rgba(0, 255, 65, 0.55);
      background: rgba(0, 20, 10, 0.9);
      color: var(--neon-green);
      border-radius: 3px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      box-shadow: 0 0 10px rgba(0, 255, 65, 0.2);
      transition: box-shadow 0.2s, transform 0.15s;
    }

    .eye-glyph {
      filter: drop-shadow(0 0 4px rgba(0, 255, 65, 0.9));
    }

    .toggle-vis:hover,
    .action-btn:hover {
      animation: neonFlicker 0.15s ease-in-out 2;
      box-shadow: var(--glow-green), 0 0 20px rgba(0, 245, 255, 0.25);
    }

    @keyframes neonFlicker {
      0%, 100% { opacity: 1; filter: brightness(1); }
      40% { opacity: 0.85; filter: brightness(1.25); }
      60% { opacity: 1; filter: brightness(0.9); }
    }

    .strength-block {
      margin-top: 0.25rem;
    }

    .strength-label {
      font-size: 0.82rem;
      font-weight: 600;
      letter-spacing: 0.06em;
      margin-bottom: 0.5rem;
      min-height: 1.4em;
      transition: color 0.35s ease, text-shadow 0.35s ease;
    }

    .meter {
      display: flex;
      gap: 6px;
      height: 14px;
    }

    .segment {
      flex: 1;
      border-radius: 2px;
      background: rgba(40, 40, 40, 0.9);
      border: 1px solid rgba(100, 100, 100, 0.4);
      transition: background 0.45s ease, box-shadow 0.45s ease, border-color 0.45s ease, transform 0.3s ease;
    }

    .segment.filled {
      transform: scaleY(1.08);
    }

    .segment.filled.pulse {
      animation: segPulse 1.4s ease-in-out infinite;
    }

    @keyframes segPulse {
      0%, 100% { filter: brightness(1); box-shadow: inherit; }
      50% { filter: brightness(1.35); }
    }

    .segment.critical.filled { background: var(--critical); border-color: #ff3366; box-shadow: 0 0 12px rgba(255, 0, 60, 0.7); }
    .segment.weak.filled { background: var(--weak); border-color: #ff8833; box-shadow: 0 0 12px rgba(255, 102, 0, 0.65); }
    .segment.moderate.filled { background: var(--moderate); border-color: #fff066; box-shadow: 0 0 12px rgba(255, 230, 0, 0.6); }
    .segment.strong.filled { background: var(--strong); border-color: #66ffff; box-shadow: 0 0 12px rgba(0, 245, 255, 0.65); }
    .segment.fortress.filled { background: var(--fortress); border-color: #66ff99; box-shadow: 0 0 14px rgba(0, 255, 65, 0.75); }

    .terminal-out {
      height: 200px;
      overflow-y: auto;
      font-size: 0.72rem;
      line-height: 1.5;
      color: var(--neon-cyan);
      border: 1px solid rgba(0, 245, 255, 0.35);
      border-radius: 3px;
      padding: 0.65rem 0.75rem;
      background: rgba(0, 0, 0, 0.55);
      box-shadow: inset 0 0 20px rgba(0, 245, 255, 0.06);
    }

    .terminal-out::-webkit-scrollbar {
      width: 6px;
    }
    .terminal-out::-webkit-scrollbar-thumb {
      background: rgba(0, 255, 65, 0.35);
      border-radius: 3px;
    }

    .term-line {
      white-space: pre-wrap;
      word-break: break-all;
      margin-bottom: 0.25rem;
      opacity: 0;
      animation: lineIn 0.2s forwards;
      color: var(--neon-cyan);
    }

    @keyframes lineIn {
      to { opacity: 1; }
    }

    .term-line.pass {
      color: var(--neon-green);
      text-shadow: 0 0 6px rgba(0, 255, 65, 0.45);
    }
    .term-line.fail {
      color: var(--critical);
      text-shadow: 0 0 6px rgba(255, 0, 60, 0.45);
    }
    .term-line.warn {
      color: var(--weak);
      text-shadow: 0 0 6px rgba(255, 102, 0, 0.35);
    }

    .stats-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0.75rem;
    }

    @media (max-width: 520px) {
      .stats-grid {
        grid-template-columns: 1fr;
      }
    }

    .stat-card {
      border: 1px solid rgba(0, 255, 65, 0.4);
      border-radius: 3px;
      padding: 0.75rem;
      box-shadow: 0 0 10px rgba(0, 255, 65, 0.12);
      background: rgba(0, 0, 0, 0.5);
    }

    .stat-tag {
      font-size: 0.62rem;
      letter-spacing: 0.12em;
      color: var(--neon-cyan);
      margin-bottom: 0.45rem;
      opacity: 0.9;
    }

    .crack-value {
      font-size: 0.78rem;
      font-weight: 600;
      line-height: 1.35;
      word-break: break-word;
    }

    .entropy-led {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .led-ring-wrap {
      position: relative;
      width: 72px;
      height: 72px;
      flex-shrink: 0;
    }

    .led-ring-wrap svg {
      transform: rotate(-90deg);
    }

    .led-ring-bg {
      fill: none;
      stroke: rgba(0, 255, 65, 0.15);
      stroke-width: 6;
    }

    .led-ring-fill {
      fill: none;
      stroke: var(--neon-green);
      stroke-width: 6;
      stroke-linecap: round;
      stroke-dasharray: 175.93;
      stroke-dashoffset: 175.93;
      transition: stroke-dashoffset 0.5s ease, stroke 0.35s ease;
      filter: drop-shadow(0 0 4px rgba(0, 255, 65, 0.8));
    }

    .led-digits {
      position: absolute;
      inset: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.68rem;
      font-weight: 600;
      color: var(--neon-cyan);
      text-shadow: 0 0 8px rgba(0, 245, 255, 0.5);
    }

    .suggestions {
      border-left: 3px solid var(--weak);
      padding-left: 0.75rem;
    }

    .suggestions .alert-head {
      color: var(--critical);
      font-size: 0.72rem;
      font-weight: 600;
      margin-bottom: 0.45rem;
      text-shadow: 0 0 8px rgba(255, 0, 60, 0.45);
    }

    .suggestions ul {
      list-style: none;
      font-size: 0.72rem;
      line-height: 1.55;
      color: var(--weak);
    }

    .suggestions li {
      margin-bottom: 0.35rem;
    }

    .actions {
      display: flex;
      flex-wrap: wrap;
      gap: 0.6rem;
    }

    .action-btn {
      flex: 1;
      min-width: 140px;
      padding: 0.65rem 0.85rem;
      font-family: inherit;
      font-size: 0.72rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      cursor: pointer;
      border: 1px solid rgba(0, 245, 255, 0.55);
      border-radius: 3px;
      background: rgba(0, 30, 35, 0.85);
      color: var(--neon-cyan);
      box-shadow: 0 0 12px rgba(0, 245, 255, 0.2);
      transition: box-shadow 0.2s, transform 0.15s;
    }

    .action-btn:active {
      transform: scale(0.98);
    }

    .action-btn.copied-flash {
      animation: copiedPulse 0.9s ease;
    }

    @keyframes copiedPulse {
      0%, 100% { border-color: rgba(0, 245, 255, 0.55); color: var(--neon-cyan); }
      30% { border-color: var(--neon-green); color: var(--neon-green); box-shadow: var(--glow-green); }
    }

    footer {
      margin-top: 1.75rem;
      text-align: center;
      font-size: 0.62rem;
      letter-spacing: 0.1em;
      color: var(--text-dim);
      padding: 0.5rem;
      border: 1px solid rgba(0, 255, 65, 0.2);
      border-radius: 3px;
      box-shadow: 0 0 10px rgba(0, 245, 255, 0.08);
    }