/* ============================================ */
/* ===== جعبه کد با دکمه کپی ===== */
/* ============================================ */
.code-wrapper {
    position: relative;
    margin: 1.2rem 0;
    border-radius: 16px;
    overflow: hidden;
    background: var(--code-bg);
    padding: 0.5rem 0.5rem 0.5rem 0;
    border: 1px solid var(--border-color);
}

.code-wrapper pre {
    margin: 0;
    padding: 0.8rem 1rem;
    overflow-x: auto;
    background: transparent;
}

.code-wrapper code {
    font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.9rem;
    color: var(--code-text);
    direction: ltr;
    text-align: left;
    display: block;
    line-height: 1.7;
}

.copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: #94a3b8;
    padding: 0.2rem 0.8rem;
    border-radius: 8px;
    font-size: 0.7rem;
    cursor: pointer;
    transition: all 0.25s;
    font-family: inherit;
    z-index: 5;
    backdrop-filter: blur(2px);
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.2);
}

.copy-btn.copied {
    color: #34d399;
    background: rgba(52, 211, 153, 0.15);
    border-color: #34d399;
}

/* ============================================ */
/* ===== محفظه اجرای کد (Pyodide) ===== */
/* ============================================ */
.python-runner {
    background: var(--code-bg);
    border-radius: 16px;
    padding: 1rem;
    margin: 1.2rem 0;
    border: 1px solid var(--border-color);
}

.python-runner pre {
    margin: 0 0 0.5rem 0;
    padding: 0;
    background: transparent;
}

.python-runner code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.9rem;
    color: var(--code-text);
    direction: ltr;
    text-align: left;
    display: block;
    line-height: 1.7;
}

.run-btn {
    background: var(--primary-color);
    border: none;
    color: white;
    padding: 0.3rem 1.2rem;
    border-radius: 10px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.25s;
    font-family: inherit;
    font-weight: 500;
}

.run-btn:hover {
    background: var(--primary-hover);
    transform: scale(1.02);
}

.run-btn:active {
    transform: scale(0.97);
}

.python-output {
    background: rgba(0, 0, 0, 0.25);
    padding: 0.6rem 0.8rem;
    border-radius: 10px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: #a5b4fc;
    direction: ltr;
    text-align: left;
    margin-top: 0.6rem;
    min-height: 2.5rem;
    white-space: pre-wrap;
    word-break: break-word;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* ============================================ */
/* ===== رسپانسیو (موبایل) ===== */
/* ============================================ */
@media (max-width: 768px) {
    .container {
        padding: 1.2rem 1rem;
        border-radius: 20px;
    }

    .header h1 {
        font-size: 1.1rem;
    }

    .snake-emoji {
        font-size: 1.3rem;
    }

    .menu-toggle {
        display: block;
        font-size: 1.6rem;
    }

    #nav-container {
        position: relative;
    }

    .nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 0.5rem;
        right: 0;
        left: 0;
        background: var(--menu-bg);
        padding: 0.8rem 1rem;
        border-radius: 18px;
        box-shadow: var(--menu-shadow);
        border: 1px solid var(--border-color);
        gap: 0;
        z-index: 100;
        backdrop-filter: blur(8px);
    }

    .nav.open {
        display: flex;
    }

    .nav a {
        padding: 0.6rem 0.2rem;
        border-bottom: 1px solid var(--border-color);
        white-space: normal;
        font-size: 1rem;
    }

    .nav a:last-child {
        border-bottom: none;
    }

    .content h2 {
        font-size: 1.4rem;
    }

    .content h3 {
        font-size: 1.1rem;
    }

    .card-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.6rem;
    }

    .card-grid a {
        padding: 0.7rem 0.4rem;
        font-size: 0.85rem;
    }

    .card-grid .icon {
        font-size: 1.5rem;
    }

    .code-wrapper code {
        font-size: 0.8rem;
    }

    .copy-btn {
        font-size: 0.65rem;
        padding: 0.15rem 0.6rem;
        top: 0.3rem;
        right: 0.3rem;
    }

    .python-runner code {
        font-size: 0.8rem;
    }

    .python-output {
        font-size: 0.75rem;
        padding: 0.4rem 0.6rem;
    }

    .footer {
        margin-left: -1rem;
        margin-right: -1rem;
        padding-left: 1rem;
        padding-right: 1rem;
        border-radius: 0 0 20px 20px;
        flex-direction: column;
        gap: 0.5rem;
    }
}

@media (max-width: 420px) {
    body {
        padding: 0.5rem;
    }

    .container {
        padding: 0.8rem 0.7rem;
        border-radius: 16px;
    }

    .header h1 {
        font-size: 0.95rem;
    }

    .snake-emoji {
        font-size: 1.1rem;
    }

    .menu-toggle {
        font-size: 1.4rem;
    }

    .theme-toggle {
        font-size: 1.2rem;
    }

    .card-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.4rem;
    }

    .card-grid a {
        padding: 0.5rem 0.3rem;
        font-size: 0.8rem;
        border-radius: 12px;
    }

    .card-grid .icon {
        font-size: 1.3rem;
    }

    .content h2 {
        font-size: 1.2rem;
    }

    .code-wrapper code {
        font-size: 0.7rem;
        padding: 0.4rem 0.6rem;
    }

    .copy-btn {
        font-size: 0.6rem;
        padding: 0.1rem 0.5rem;
    }

    .python-runner {
        padding: 0.6rem;
    }

    .python-runner code {
        font-size: 0.7rem;
    }

    .run-btn {
        font-size: 0.75rem;
        padding: 0.2rem 0.8rem;
    }

    .python-output {
        font-size: 0.65rem;
        padding: 0.3rem 0.5rem;
        min-height: 1.8rem;
    }

    .footer {
        font-size: 0.7rem;
        margin-left: -0.7rem;
        margin-right: -0.7rem;
        padding-left: 0.7rem;
        padding-right: 0.7rem;
    }

    #runTester {
        font-size: 0.7rem;
        padding: 0.2rem 0.6rem;
    }
}