/* PSTN2 Documentation Styles */

:root {
    --primary-orange: #E25F07;
    --primary-blue: #3b82f6;
    --dark-blue: #1e3a8a;
    --light-gray: #f3f4f6;
    --dark-gray: #1f2937;
    --border-gray: #d1d5db;
    --success-green: #10b981;
    --code-bg: #1e293b;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background: #ffffff;
    padding: 0;
    margin: 0;
}

/* Header */
.doc-header {
    background: linear-gradient(135deg, var(--primary-orange) 0%, #ff8c42 100%);
    color: white;
    padding: 40px 20px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.doc-header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    font-weight: 700;
}

.doc-header .subtitle {
    font-size: 1.2em;
    opacity: 0.95;
}

.back-link {
    display: inline-block;
    margin-bottom: 15px;
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.3s;
}

.back-link:hover {
    opacity: 0.8;
}

/* Navigation */
.doc-nav {
    background: white;
    border-bottom: 2px solid var(--border-gray);
    padding: 15px 20px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.doc-nav-links {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.doc-nav-links a {
    color: var(--primary-orange);
    text-decoration: none;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.3s;
}

.doc-nav-links a:hover {
    background: var(--light-gray);
}

/* Container */
.doc-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--dark-blue);
    margin-top: 1.5em;
    margin-bottom: 0.5em;
    font-weight: 700;
}

h1 { font-size: 2.5em; border-bottom: 3px solid var(--primary-orange); padding-bottom: 10px; }
h2 { font-size: 2em; border-bottom: 2px solid var(--border-gray); padding-bottom: 8px; margin-top: 2em; }
h3 { font-size: 1.5em; color: var(--primary-orange); }
h4 { font-size: 1.25em; }
h5 { font-size: 1.1em; }
h6 { font-size: 1em; font-weight: 600; }

p {
    margin: 1em 0;
    line-height: 1.8;
}

/* Links */
a {
    color: var(--primary-blue);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.3s;
}

a:hover {
    color: var(--primary-orange);
    border-bottom-color: var(--primary-orange);
}

/* Lists */
ul, ol {
    margin: 1em 0;
    padding-left: 2em;
}

li {
    margin: 0.5em 0;
}

/* Code */
code {
    background: var(--light-gray);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9em;
    color: #c7254e;
}

pre {
    background: var(--code-bg);
    color: #e2e8f0;
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5em 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

pre code {
    background: none;
    color: inherit;
    padding: 0;
    font-size: 0.95em;
}

/* Blockquotes */
blockquote {
    border-left: 4px solid var(--primary-orange);
    padding-left: 20px;
    margin: 1.5em 0;
    font-style: italic;
    color: #555;
    background: var(--light-gray);
    padding: 15px 20px;
    border-radius: 0 8px 8px 0;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border-radius: 8px;
    overflow: hidden;
}

thead {
    background: var(--primary-orange);
    color: white;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-gray);
}

th {
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9em;
    letter-spacing: 0.5px;
}

tbody tr:hover {
    background: var(--light-gray);
}

tbody tr:last-child td {
    border-bottom: none;
}

/* Info boxes */
.info-box {
    padding: 20px;
    margin: 1.5em 0;
    border-radius: 8px;
    border-left: 4px solid;
}

.info-box.note {
    background: #eff6ff;
    border-color: var(--primary-blue);
}

.info-box.warning {
    background: #fef3c7;
    border-color: #f59e0b;
}

.info-box.success {
    background: #d1fae5;
    border-color: var(--success-green);
}

.info-box.danger {
    background: #fee2e2;
    border-color: #ef4444;
}

/* Horizontal Rule */
hr {
    border: none;
    border-top: 2px solid var(--border-gray);
    margin: 2em 0;
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    margin: 1.5em 0;
}

/* Footer */
.doc-footer {
    background: var(--dark-gray);
    color: white;
    padding: 40px 20px;
    text-align: center;
    margin-top: 60px;
}

.doc-footer a {
    color: var(--primary-orange);
    border-bottom-color: transparent;
}

.doc-footer a:hover {
    border-bottom-color: var(--primary-orange);
}

/* Responsive */
@media (max-width: 768px) {
    .doc-header h1 {
        font-size: 2em;
    }

    .doc-container {
        padding: 20px 15px;
    }

    h1 { font-size: 2em; }
    h2 { font-size: 1.6em; }
    h3 { font-size: 1.3em; }

    .doc-nav-links {
        flex-direction: column;
        align-items: center;
    }
}

/* Syntax highlighting for code blocks */
.language-typescript .keyword { color: #c792ea; }
.language-typescript .string { color: #c3e88d; }
.language-typescript .function { color: #82aaff; }
.language-typescript .comment { color: #546e7a; }

.language-python .keyword { color: #c792ea; }
.language-python .string { color: #c3e88d; }
.language-python .function { color: #82aaff; }
.language-python .comment { color: #546e7a; }

.language-go .keyword { color: #c792ea; }
.language-go .string { color: #c3e88d; }
.language-go .function { color: #82aaff; }
.language-go .comment { color: #546e7a; }

.language-bash .command { color: #82aaff; }
.language-bash .string { color: #c3e88d; }
.language-bash .comment { color: #546e7a; }