/* ZoneLab User Guide Page */

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

body {
    background-color: #000000;
    color: #CCCCCC;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    padding: 40px 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

.back-link {
    display: inline-block;
    color: #FFFFFF;
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 40px;
    padding: 8px 16px;
    border: 1px solid #FFFFFF;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.back-link:hover {
    background-color: #FFFFFF;
    color: #000000;
}

h1 {
    color: #FFFFFF;
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.subtitle {
    color: #888888;
    font-size: 18px;
    margin-bottom: 48px;
}

/* Table of Contents */
.toc {
    background-color: #0a0a0a;
    border: 1px solid #333333;
    border-radius: 8px;
    padding: 32px;
    margin-bottom: 64px;
}

.toc h3 {
    color: #FFFFFF;
    font-size: 20px;
    margin-bottom: 20px;
}

.toc ul {
    list-style: none;
    margin: 0;
}

.toc li {
    margin-bottom: 12px;
}

.toc a {
    color: #CCCCCC;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.2s ease;
    display: block;
    padding: 4px 0;
}

.toc a:hover {
    color: #FFFFFF;
}

/* Sections */
section {
    margin-bottom: 80px;
}

h2 {
    color: #FFFFFF;
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 24px;
    margin-top: 40px;
    letter-spacing: -0.3px;
    border-bottom: 1px solid #333333;
    padding-bottom: 12px;
}

h3 {
    color: #FFFFFF;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    margin-top: 32px;
    letter-spacing: -0.2px;
}

h4 {
    color: #FFFFFF;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    margin-top: 20px;
}

p {
    margin-bottom: 16px;
    font-size: 16px;
}

strong {
    color: #FFFFFF;
    font-weight: 600;
}

ul, ol {
    margin-left: 24px;
    margin-bottom: 20px;
}

li {
    margin-bottom: 10px;
    font-size: 16px;
}

ul ul, ol ol, ul ol, ol ul {
    margin-top: 8px;
    margin-bottom: 0;
}

a {
    color: #FFFFFF;
    text-decoration: none;
    border-bottom: 1px solid #666666;
    transition: border-color 0.2s ease;
}

a:hover {
    border-bottom-color: #FFFFFF;
}

code {
    background-color: #1a1a1a;
    color: #FFFFFF;
    padding: 3px 8px;
    border-radius: 4px;
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 14px;
    display: inline-block;
}

/* Mode Cards */
.mode-card {
    background-color: #0a0a0a;
    border: 1px solid #333333;
    border-radius: 8px;
    padding: 28px;
    margin-bottom: 24px;
}

.mode-card h3 {
    margin-top: 0;
    color: #FFFFFF;
}

.mode-card p {
    color: #CCCCCC;
    font-size: 15px;
}

/* Workflow Steps */
.workflow-step {
    background-color: #0a0a0a;
    border-left: 3px solid #FFFFFF;
    padding: 24px;
    margin-bottom: 28px;
    border-radius: 0 4px 4px 0;
}

.workflow-step h3 {
    margin-top: 0;
}

/* Notes and Tips */
.tip, .note, .warning {
    padding: 16px 20px;
    border-radius: 6px;
    margin: 20px 0;
    font-size: 15px;
    border-left: 3px solid;
}

.tip {
    background-color: #0a1a0a;
    border-color: #4CAF50;
}

.note {
    background-color: #0a0a1a;
    border-color: #2196F3;
}

.warning {
    background-color: #1a0a0a;
    border-color: #FF5722;
}

/* Keyboard Shortcuts Table */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    background-color: #0a0a0a;
    border-radius: 8px;
    overflow: hidden;
}

thead {
    background-color: #1a1a1a;
}

th {
    color: #FFFFFF;
    font-weight: 600;
    padding: 16px;
    text-align: left;
    font-size: 15px;
}

td {
    padding: 14px 16px;
    border-top: 1px solid #222222;
    font-size: 15px;
}

kbd {
    background-color: #1a1a1a;
    border: 1px solid #333333;
    border-radius: 4px;
    padding: 3px 8px;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 13px;
    color: #FFFFFF;
    display: inline-block;
    margin: 0 2px;
}

/* Support Section */
.support {
    background-color: #0a0a0a;
    border: 1px solid #333333;
    border-radius: 8px;
    padding: 32px;
    margin-top: 64px;
}

.support h2 {
    margin-top: 0;
    border-bottom: none;
    padding-bottom: 0;
}

/* Footer */
footer {
    margin-top: 64px;
    padding-top: 32px;
    border-top: 1px solid #333333;
    text-align: center;
    color: #666666;
    font-size: 14px;
}

.version {
    margin-top: 8px;
    color: #555555;
    font-size: 13px;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 24px 16px;
    }

    h1 {
        font-size: 36px;
    }

    h2 {
        font-size: 26px;
    }

    h3 {
        font-size: 20px;
    }

    h4 {
        font-size: 16px;
    }

    .back-link {
        margin-bottom: 32px;
    }

    .toc {
        padding: 24px;
    }

    .mode-card, .workflow-step {
        padding: 20px;
    }

    section {
        margin-bottom: 60px;
    }

    table {
        font-size: 14px;
    }

    th, td {
        padding: 12px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 28px;
    }

    h2 {
        font-size: 22px;
    }

    h3 {
        font-size: 18px;
    }

    h4 {
        font-size: 15px;
    }

    p, li {
        font-size: 15px;
    }

    .toc {
        padding: 20px;
    }

    .mode-card, .workflow-step {
        padding: 16px;
    }

    .tip, .note, .warning {
        padding: 14px 16px;
        font-size: 14px;
    }

    table {
        font-size: 13px;
    }

    th, td {
        padding: 10px;
    }

    kbd {
        font-size: 12px;
        padding: 2px 6px;
    }
}