:root {
    --bg: #121212;
    --header-bg: #1f2937;
    --card-bg: #1e1e1e;
    --text: #e0e0e0;
    --accent: #ff6b00;
    --shadow: rgba(0,0,0,0.3);
}

*, *::before, *::after { box-sizing: border-box; }

body {
    height: 100vh;
    margin: 0;
    font-family: Vazirmatn, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 1rem;
}

header {
    background: var(--header-bg);
    padding: 1rem 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

header h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

main { max-width: 1200px; margin: 2rem auto; padding: 0 1rem; }

h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent);
}

.card {
    background: var(--card-bg);
    border-left: 4px solid var(--accent);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: 0 4px 8px var(--shadow);
    transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 6px 12px var(--shadow); }

.card .title { font-weight: 700; margin: 0 0 .5rem 0; font-size: 1.1rem; }
.card .date  { font-size: .875rem; color: var(--accent); margin-bottom: .75rem; }
.card .content { font-size: 1rem; }

@media (prefers-color-scheme: light) {
    :root {
    --bg: #f5f5f5;
    --header-bg: #ffffff;
    --card-bg: #ffffff;
    --text: #222222;
    --shadow: rgba(0,0,0,.1);
    }
}