* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #ffffff;
    color: #111111;
}

nav {
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    border-bottom: 1px solid #dddddd;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #111111;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 28px;
}

.nav-links a {
    color: #333333;
    text-decoration: none;
}

.nav-links a:hover {
    text-decoration: underline;
}

.hero {
    max-width: 900px;
    margin: 0 auto;
    padding: 120px 24px;
    text-align: center;
}

.hero h1 {
    font-size: 72px;
    margin: 0 0 20px;
}

.tagline {
    font-size: 20px;
    line-height: 1.6;
    color: #555555;
}

.actions {
    margin-top: 40px;
    display: flex;
    justify-content: center;
    gap: 16px;
}

.button {
    display: inline-block;
    padding: 12px 24px;
    background: #111111;
    color: white;
    text-decoration: none;
    border-radius: 6px;
}

.button.secondary {
    background: #eeeeee;
    color: #111111;
}


.interpreter-page {
    max-width: 1400px;
    margin: 0 auto;
    padding: 50px 24px;
}

.page-heading {
    margin-bottom: 30px;
}

.page-heading h1 {
    margin: 0 0 10px;
    font-size: 42px;
}

.page-heading p {
    margin: 0 0 12px;
    color: #555555;
}

#status {
    font-size: 14px;
    color: #666666;
}

.interpreter {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.panel {
    border: 1px solid #dddddd;
    border-radius: 8px;
    overflow: hidden;
    background: #fafafa;
}

.panel-header {
    height: 50px;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #dddddd;
    font-size: 13px;
    font-weight: bold;
}

.panel-header button {
    border: 0;
    border-radius: 5px;
    padding: 8px 18px;
    background: #111111;
    color: white;
    cursor: pointer;
}

.panel-header button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#code {
    width: 100%;
    height: 500px;
    resize: vertical;
    border: 0;
    outline: 0;
    padding: 18px;
    font-family: monospace;
    font-size: 15px;
    line-height: 1.6;
    background: white;
}

#output {
    margin: 0;
    padding: 0;
    min-height: 0;
    height: auto;
    overflow: visible;
    white-space: pre-wrap;
    font-family: monospace;
    font-size: 15px;
    line-height: 1.6;
    background: transparent;
    color: white;
}

@media (max-width: 800px) {
    .interpreter {
        grid-template-columns: 1fr;
    }

    #code,
    #output {
        height: 350px;
    }

    .nav-links {
        gap: 12px;
    }

    nav {
        padding: 0 16px;
    }
}

.tutorial-page {
    max-width: 1000px;
    margin: 0 auto;
    padding: 50px 24px 80px;
}

.tutorial-page h1 {
    font-size: 48px;
    margin-bottom: 4px;
}

.tutorial-page h2 {
    margin-top: 45px;
    padding-bottom: 8px;
    border-bottom: 1px solid #ddd;
}

.tutorial-page h3 {
    margin-top: 28px;
}

.tutorial-page p,
.tutorial-page li {
    line-height: 1.7;
}

.tutorial-page pre {
    overflow-x: auto;
    padding: 18px;
    border-radius: 10px;
    background: #111;
    color: #fff;
    line-height: 1.55;
}

.tutorial-page code {
    font-family: monospace;
}

.tutorial-page table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.tutorial-page th,
.tutorial-page td {
    text-align: left;
    padding: 12px;
    border: 1px solid #ddd;
}

.tutorial-page th {
    font-weight: 700;
}

.tutorial-page ol {
    padding-left: 28px;
}

@media (max-width: 700px) {
    .tutorial-page {
        padding: 30px 16px 60px;
    }

    .tutorial-page h1 {
        font-size: 38px;
    }

    .tutorial-page table {
        font-size: 14px;
    }
}

/* LOIS terminal */

.terminal {
    height: 500px;
    overflow: auto;
    padding: 18px;
    background: #111111;
    color: white;
    font-family: monospace;
    font-size: 15px;
    line-height: 1.6;
}

#input-area {
    display: flex;
    align-items: center;
    margin-top: 0;
    padding: 0;
    background: transparent;
}

#input-area[hidden] {
    display: none;
}

#terminal-prompt {
    flex: 0 0 auto;
    margin-right: 8px;
    color: white;
}

#console-input {
    flex: 1;
    min-width: 0;
    border: 0;
    outline: 0;
    padding: 0;
    background: transparent;
    color: white;
    font-family: monospace;
    font-size: 15px;
    line-height: 1.6;
}

#console-input::selection {
    background: #555555;
}

@media (max-width: 800px) {
    .terminal {
        height: 350px;
    }
}
/* Reviews */
#review-form {
    width: min(700px, 100%);
    margin: 2rem auto;
}

#review {
    width: 100%;
    min-height: 140px;
    box-sizing: border-box;
    padding: 1rem;
    resize: vertical;
    font: inherit;
    border-radius: 8px;
    border: 1px solid #ccc;
    margin-bottom: 1rem;
}

#review-status {
    min-height: 1.4em;
    margin-top: 0.75rem;
}

#reviews {
    width: min(700px, 100%);
    margin: 2rem auto;
}

.review {
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid #ccc;
    border-radius: 8px;
    overflow-wrap: anywhere;
}

.review p {
    margin: 0 0 0.75rem;
    white-space: pre-wrap;
}

.review small {
    opacity: 0.65;
}