.cpp-project-page {
    background: radial-gradient(circle at top, rgba(111, 67, 254, 0.18), rgba(8, 6, 32, 0.96)),
                linear-gradient(160deg, rgba(9, 9, 15, 0.92), rgba(28, 22, 56, 0.88));
    min-height: 100vh;
    color: #f5f5ff;
    font-family: 'NavbarFont', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    flex-direction: column;
}

.cpp-hero {
    padding: 120px 24px 48px;
    text-align: center;
    max-width: 960px;
    margin: 0 auto;
}

.cpp-hero h1 {
    font-size: clamp(2.5rem, 4vw, 3.8rem);
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-bottom: 18px;
    color: #ffffff;
}

.cpp-hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.7;
    color: rgba(231, 230, 255, 0.88);
    margin: 0 auto;
    max-width: 780px;
}

.compiler-wrapper {
    width: min(1200px, 92%);
    margin: 0 auto;
    background: rgba(15, 12, 34, 0.78);
    border: 1px solid rgba(111, 67, 254, 0.25);
    border-radius: 28px;
    box-shadow: 0 32px 60px rgba(17, 9, 45, 0.55);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.compiler-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 28px;
    background: linear-gradient(120deg, rgba(111, 67, 254, 0.18), rgba(37, 26, 84, 0.6));
    border-bottom: 1px solid rgba(111, 67, 254, 0.35);
}

.compiler-header h2 {
    font-size: 1.35rem;
    margin: 0;
    letter-spacing: 0.03em;
}

.compiler-controls {
    display: flex;
    gap: 12px;
}

.compiler-controls a {
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid rgba(245, 245, 255, 0.3);
    color: #f5f5ff;
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.compiler-controls a:hover {
    border-color: rgba(255, 255, 255, 0.65);
    background: rgba(255, 255, 255, 0.1);
}

.compiler-frame {
    width: 100%;
    min-height: 640px;
    border: 0;
    background: #0c0a1a;
}

.compiler-warning {
    padding: 18px 24px;
    font-size: 0.95rem;
    color: rgba(231, 230, 255, 0.85);
    background: rgba(255, 77, 109, 0.12);
    border-top: 1px solid rgba(255, 77, 109, 0.35);
    display: none;
}

.compiler-warning.active {
    display: block;
}

.cpp-details {
    max-width: 1100px;
    width: 92%;
    margin: 48px auto 80px;
    background: rgba(17, 13, 41, 0.78);
    border-radius: 28px;
    border: 1px solid rgba(111, 67, 254, 0.22);
    box-shadow: 0 20px 40px rgba(10, 6, 24, 0.55);
    padding: 36px clamp(20px, 4vw, 48px);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.cpp-card {
    background: rgba(9, 7, 28, 0.68);
    border-radius: 20px;
    border: 1px solid rgba(111, 67, 254, 0.18);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    overflow: hidden;
}

.cpp-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(111, 67, 254, 0.15), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cpp-card:hover::before {
    opacity: 1;
}

.cpp-card h3 {
    font-size: 1.15rem;
    margin: 0;
    color: #ffffff;
    letter-spacing: 0.02em;
}

.cpp-card p {
    font-size: 0.98rem;
    line-height: 1.65;
    margin: 0;
    color: rgba(230, 229, 255, 0.88);
}

.cpp-code-block {
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(128, 102, 255, 0.4);
    border-radius: 16px;
    padding: 18px 20px;
    font-family: 'Fira Code', 'Consolas', 'Courier New', monospace;
    color: #e6e7ff;
    font-size: 0.92rem;
    line-height: 1.6;
    position: relative;
    overflow-x: auto;
    overflow-y: auto;
    max-height: 420px;
    white-space: pre;
}

.cpp-copy-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 6px 14px;
    font-size: 0.85rem;
    border-radius: 999px;
    border: 1px solid rgba(245, 245, 255, 0.3);
    background: rgba(245, 245, 255, 0.05);
    color: #f5f5ff;
    cursor: pointer;
    transition: all 0.2s ease;
}

.cpp-copy-btn:hover {
    border-color: rgba(255, 255, 255, 0.65);
    background: rgba(255, 255, 255, 0.15);
}

.cpp-copy-btn.copied {
    background: rgba(87, 230, 160, 0.18);
    border-color: rgba(87, 230, 160, 0.6);
    color: #c0ffe0;
}

.cpp-guidance-list {
    display: grid;
    gap: 16px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.cpp-guidance-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    font-size: 0.98rem;
    line-height: 1.65;
    color: rgba(230, 229, 255, 0.88);
}

.cpp-guidance-list li::before {
    content: '➤';
    color: #6f43fe;
    font-size: 0.95rem;
    flex-shrink: 0;
}

@media (max-width: 900px) {
    .compiler-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .compiler-controls {
        width: 100%;
        flex-wrap: wrap;
    }

    .compiler-controls a {
        flex: 1;
        text-align: center;
    }
}

@media (max-width: 640px) {
    .cpp-hero {
        padding-top: 96px;
    }

    .compiler-wrapper {
        border-radius: 22px;
    }

    .cpp-details {
        border-radius: 22px;
        gap: 24px;
    }

    .cpp-card {
        padding: 20px;
    }

    .compiler-frame {
        min-height: 520px;
    }
}