:root {
    --bg: #f8fafc;
    --bg-soft: #ffffff;
    --panel: #ffffff;
    --border: #e2e8f0;
    --border-focus: #3b82f6;
    --text: #1e293b;
    --muted: #64748b;
    --primary: #2563eb;
    --accent: #4f46e5;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.04), 0 1px 8px rgba(0, 0, 0, 0.02);
    --radius: 12px;
}

* {
    box-sizing: border-box;
}

html {
    direction: rtl;
}

body {
    margin: 0;
    font-family: "Vazirmatn", system-ui, sans-serif;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
    text-align: right;
}

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

.container {
    width: min(1100px, 92%);
    margin: 0 auto;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text);
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-links a {
    color: var(--muted);
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--text);
}

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    margin: 24px 0;
}

h1, h2, h3 {
    margin-top: 0;
    color: #0f172a;
}

h1 {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

p {
    color: var(--muted);
    line-height: 1.8;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text);
}

input,
select,
textarea,
button {
    width: 100%;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #ffffff;
    color: var(--text);
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    font-family: inherit;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.10);
}

textarea {
    min-height: 320px;
    resize: vertical;
    direction: ltr;
    text-align: left;
    font-family: "JetBrains Mono", "Fira Code", "Consolas", monospace;
    line-height: 1.7;
}

.row {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 14px;
    margin-bottom: 14px;
}

button {
    background: var(--primary);
    color: #ffffff;
    border: none;
    cursor: pointer;
    font-weight: 700;
    transition: background 0.2s ease, transform 0.15s ease;
}

button:hover {
    background: var(--accent);
    transform: translateY(-1px);
}

.list-item {
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

.list-item:last-child {
    border-bottom: none;
}

.meta {
    color: var(--muted);
    font-size: 14px;
    margin-top: 6px;
}

.badge {
    display: inline-block;
    font-size: 12px;
    background: #f1f5f9;
    color: var(--muted);
    padding: 4px 8px;
    border-radius: 999px;
    border: 1px solid var(--border);
}

.codebox {
    position: relative;
    margin-top: 14px;
}

.copy-btn {
    position: absolute;
    top: 12px;
    left: 12px;
    width: auto;
    padding: 8px 12px;
    background: #f8fafc;
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 13px;
}

.copy-btn:hover {
    background: #e2e8f0;
}

pre {
    margin: 0;
    overflow-x: auto;
    border-radius: 10px;
    border: 1px solid var(--border);
    direction: ltr;
    text-align: left;
}

code {
    font-family: "JetBrains Mono", Consolas, monospace !important;
    font-size: 14px;
    line-height: 1.7;
}

.helper-text {
    font-size: 13px;
    color: var(--muted);
    margin-top: 8px;
}

.footer {
    padding: 24px 0 40px;
    color: var(--muted);
    font-size: 14px;
}

.page-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 24px;
    align-items: start;
    padding: 24px 0 40px;
}

.main-content {
    min-width: 0;
}

.main-content .card {
    margin: 0;
}

.sidebar {
    position: sticky;
    top: 80px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.sidebar-block {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 16px;
}

.sidebar-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 12px;
}

.sidebar-more {
    font-size: 12px;
    font-weight: 500;
    color: var(--muted);
}

.sidebar-more:hover {
    color: var(--primary);
}

.sidebar-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sidebar-item {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.sidebar-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.sidebar-item:first-child {
    padding-top: 0;
}

.sidebar-item a {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar-item a:hover {
    color: var(--primary);
}

.sidebar-meta {
    display: block;
    font-size: 12px;
    color: var(--muted);
    margin-top: 4px;
}

.sidebar-empty {
    font-size: 13px;
    color: var(--muted);
}

.ad-spot .ad-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 250px;
    border: 2px dashed var(--border);
    border-radius: 8px;
    background: #f8fafc;
    color: var(--muted);
    text-align: center;
    gap: 6px;
}

.ad-placeholder span {
    font-size: 14px;
    font-weight: 600;
}

.ad-placeholder small {
    font-size: 12px;
    opacity: 0.8;
}

@media (max-width: 768px) {
    .row {
        grid-template-columns: 1fr;
    }

    .nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .nav-links {
        flex-wrap: wrap;
    }

    .page-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
        order: 2;
    }

    .main-content {
        order: 1;
    }
}