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

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    background: #0b0e1a;
    color: #e0e4f0;
    line-height: 1.6;
    padding: 2rem 1.5rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.container {
    max-width: 1100px;
    width: 100%;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

h1 {
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #f0b3ff, #6dd5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: #b8c9f0;
    margin: 2.5rem 0 0.5rem;
}

.subtitle {
    font-size: 1.1rem;
    color: #a0aec0;
    margin-top: 0.25rem;
}

.subtitle code {
    background: #1e2a3f;
    padding: 0.2rem 0.6rem;
    border-radius: 0.3rem;
    font-size: 0.9rem;
    color: #c7d9ff;
}

.demo-wrapper {
    background: #111627;
    border-radius: 1.5rem;
    padding: 1.5rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    margin-bottom: 2rem;
}

canvas {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    border-radius: 0.75rem;
    background: #000f2e;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.info-card {
    background: #151e2f;
    border-radius: 1rem;
    padding: 1.5rem;
    border: 1px solid #2a3650;
}

.info-card h3 {
    color: #b8c9f0;
    margin-bottom: 0.75rem;
    font-weight: 600;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-card code {
    background: #1e2a3f;
    padding: 0.2rem 0.6rem;
    border-radius: 0.3rem;
    font-size: 0.9rem;
    color: #c7d9ff;
}

.info-card p {
    color: #b0c0dd;
    font-size: 0.95rem;
}

.controls {
    background: #151e2f;
    border: 1px solid #2a3650;
    border-radius: 1rem;
    padding: 1.25rem 1.5rem;
    margin-bottom: 2rem;
}

.controls h3 {
    color: #b8c9f0;
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.1rem;
}

.controls-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
}

.control {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.control-name {
    color: #a0aec0;
    font-size: 0.8rem;
}

.control input[type="range"] {
    width: 100%;
}

.control-value {
    color: #e0e4f0;
    font-family: "JetBrains Mono", "Fira Code", monospace;
    font-size: 0.85rem;
}

.matrix-panel {
    margin-top: 1.25rem;
    border-top: 1px solid #2a3650;
    padding-top: 1rem;
}

.matrix-row {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    flex-wrap: wrap;
}

.matrix-table {
    border-collapse: separate;
    border-spacing: 0.3rem;
    font-family: "JetBrains Mono", "Fira Code", monospace;
}

.matrix-table td {
    min-width: 3.5rem;
    padding: 0.25rem 0.75rem;
    background: #1e2a3f;
    border: 1px solid #2a3650;
    color: #e0e4f0;
    font-size: 0.85rem;
    text-align: right;
}

.inverse-button {
    background: #1e2a3f;
    border: 1px solid #2a3650;
    border-radius: 0.5rem;
    color: #e0e4f0;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
}

.inverse-button:hover {
    border-color: #ffb86b;
}

.inverse-button.active {
    background: #ffb86b;
    border-color: #ffb86b;
    color: #1a1306;
}

.badge {
    display: inline-block;
    background: #2d3b5a;
    padding: 0.2rem 0.8rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: #b8d0ff;
    letter-spacing: 0.02em;
}

.badge-red {
    background: #5a2a3a;
    color: #ff8a9a;
}

.badge-green {
    background: #1f4a3a;
    color: #7ddb9a;
}

.badge-blue {
    background: #1a3a5a;
    color: #7abfff;
}

.code-section {
    background: #0d1220;
    border-radius: 1rem;
    padding: 1.5rem;
    border: 1px solid #28344a;
    overflow-x: auto;
    margin-top: 1.5rem;
}

.code-section h3 {
    color: #b8c9f0;
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.25rem;
}

.code-section pre {
    background: transparent !important;
    margin: 0;
    padding: 0;
    font-size: 0.9rem;
    line-height: 1.6;
    overflow-x: hidden;
}

.code-section p {
    color: #b0c0dd;
    margin: 0 0 1rem;
}

.code-section p code {
    background: #1e2a3f;
    padding: 0.2rem 0.6rem;
    border-radius: 0.3rem;
    font-size: 0.9rem;
    color: #c7d9ff;
}

.code-section p + pre,
.code-section pre + p {
    margin-top: 1rem;
}

.code-section pre,
.code-section code[class*="language-"] {
    white-space: pre-wrap !important;
    word-break: break-word;
    overflow-wrap: break-word;
}

.code-section code[class*="language-"] {
    font-family: "JetBrains Mono", "Fira Code", monospace;
    font-size: 0.9rem;
}

.footer {
    margin-top: 2rem;
    text-align: center;
    color: #5a6f92;
    font-size: 0.9rem;
    border-top: 1px solid #1f2a40;
    padding-top: 1.5rem;
}

.footer a {
    color: #7fa3e0;
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

@media (max-width: 900px) {
    body {
        padding: 1.5rem 1rem;
    }
    h1 {
        font-size: 2.2rem;
    }
    .demo-wrapper {
        padding: 1rem;
    }
    .info-grid {
        gap: 1.5rem;
    }
    .info-card {
        padding: 1.25rem;
    }
}

@media (max-width: 700px) {
    body {
        padding: 1rem 0.75rem;
    }
    h1 {
        font-size: 1.8rem;
    }
    h2 {
        font-size: 1.3rem;
    }
    .subtitle {
        font-size: 0.95rem;
    }
    .demo-wrapper {
        padding: 0.75rem;
        border-radius: 1rem;
    }
    canvas {
        border-radius: 0.5rem;
    }
    .info-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin: 1.5rem 0;
    }
    .controls {
        padding: 1rem;
    }
    .controls-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    .info-card {
        padding: 1rem;
    }
    .info-card h3 {
        font-size: 1.1rem;
    }
    .info-card p {
        font-size: 0.9rem;
    }
    .code-section {
        padding: 1rem;
        border-radius: 0.75rem;
        margin-top: 1rem;
    }
    .code-section h3 {
        font-size: 1.1rem;
    }
    .code-section pre {
        font-size: 0.8rem;
        line-height: 1.5;
    }
    .code-section code[class*="language-"] {
        font-size: 0.8rem;
    }
    .footer {
        font-size: 0.8rem;
        padding-top: 1rem;
    }
    .badge {
        font-size: 0.65rem;
        padding: 0.15rem 0.6rem;
    }
}

@media (max-width: 400px) {
    h1 {
        font-size: 1.5rem;
    }
    .subtitle {
        font-size: 0.85rem;
    }
    .demo-wrapper {
        padding: 0.5rem;
    }
    .info-card {
        padding: 0.75rem;
    }
    .code-section {
        padding: 0.75rem;
    }
    .code-section pre {
        font-size: 0.7rem;
    }
    .code-section code[class*="language-"] {
        font-size: 0.7rem;
    }
}