/* Record Rack Help - Styles */

:root {
    --primary-color: #FF2D55;
    --link-color: #007AFF;
    --bg-color: #ffffff;
    --text-color: #1d1d1f;
    --text-secondary: #6e6e73;
    --card-bg: #f5f5f7;
    --border-color: #d2d2d7;
    --code-bg: #f5f5f7;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #000000;
        --text-color: #f5f5f7;
        --text-secondary: #a1a1a6;
        --card-bg: #1c1c1e;
        --border-color: #3d3d3f;
        --code-bg: #1c1c1e;
    }
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: 0;
    margin: 0;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    text-align: center;
    padding: 40px 20px;
    border-bottom: 1px solid var(--border-color);
}

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

header .subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.lang-switch {
    margin-top: 15px;
}

.lang-switch a {
    color: var(--link-color);
    text-decoration: none;
    font-size: 0.9rem;
}

.lang-switch a:hover {
    text-decoration: underline;
}

.lang-switch a:visited {
    color: var(--link-color);
}

/* Navigation */
nav {
    background: var(--card-bg);
    padding: 10px 20px;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 5px;
    padding: 0;
    margin: 0;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 5px 8px;
    border-radius: 8px;
    transition: background 0.2s;
    white-space: nowrap;
    line-height: 1;
}

nav a:visited,
nav a:active {
    color: var(--text-color);
}

nav a:hover {
    background: var(--border-color);
}

/* Sections */
section {
    padding: 20px 0 40px 0;
    border-bottom: 1px solid var(--border-color);
}

section:last-child {
    border-bottom: none;
}

h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--primary-color);
}

h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 25px 0 15px;
}

p {
    margin-bottom: 15px;
    color: var(--text-color);
}

/* Links */
a {
    color: var(--link-color);
}

a:visited {
    color: var(--link-color);
}

a:hover {
    text-decoration: underline;
}

/* Lists */
ul, ol {
    margin-left: 25px;
    margin-bottom: 15px;
}

li {
    margin-bottom: 8px;
}

/* Code blocks */
code {
    background: var(--code-bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'SF Mono', Monaco, Consolas, monospace;
    font-size: 0.9em;
}

pre {
    background: var(--code-bg);
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 15px 0;
}

pre code {
    padding: 0;
    background: none;
}

/* Folder structure */
.folder-tree {
    background: var(--code-bg);
    padding: 20px;
    border-radius: 12px;
    font-family: 'SF Mono', Monaco, Consolas, monospace;
    font-size: 0.9rem;
    line-height: 1.8;
    overflow-x: auto;
}

.folder-tree .folder {
    color: var(--primary-color);
}

.folder-tree .file {
    color: var(--text-secondary);
}

.folder-tree .music {
    color: #8e8e93;
}

.folder-tree .image {
    color: #ff9500;
}

.folder-tree .video {
    color: #af52de;
}

.folder-tree .artist-photo {
    color: #30b0c7;
}

.folder-tree .lyrics {
    color: #34c759;
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    margin: 15px 0;
}

.card h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

/* FAQ */
.faq-item {
    margin-bottom: 25px;
}

.faq-item h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.faq-item p {
    color: var(--text-secondary);
}

/* Footer */
footer {
    text-align: center;
    padding: 30px 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

footer a {
    color: var(--link-color);
    text-decoration: none;
}

footer a:visited {
    color: var(--link-color);
}

/* Responsive */
@media (max-width: 600px) {
    header h1 {
        font-size: 2rem;
    }

    nav ul {
        gap: 10px;
    }

    nav a {
        font-size: 0.85rem;
        padding: 5px 8px;
    }

    h2 {
        font-size: 1.5rem;
    }

    .container {
        padding: 15px;
    }
}

/* Supported formats table */
.formats-table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
}

.formats-table th,
.formats-table td {
    padding: 10px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.formats-table th {
    background: var(--card-bg);
    font-weight: 600;
}

/* Tip box */
.tip {
    background: rgba(255, 45, 85, 0.1);
    border-left: 4px solid var(--primary-color);
    padding: 15px;
    border-radius: 0 8px 8px 0;
    margin: 15px 0;
}

.tip strong {
    color: var(--primary-color);
}