* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #0b0f19;
    color: #f1f5f9;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Üst Başlık ve Menü */
header {
    background-color: #0b0f19;
    border-bottom: 1px solid #1e293b;
    text-align: center;
    padding: 35px 20px;
}

header h1 {
    font-size: 1.8rem;
    color: #38bdf8;
    letter-spacing: 2px;
    margin-bottom: 15px;
    text-transform: uppercase;
}

nav {
    font-size: 0.95rem;
}

nav a {
    color: #94a3b8;
    text-decoration: none;
    margin: 0 15px;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover {
    color: #38bdf8;
}

/* Ana İçerik Konteyner */
.container {
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px;
    display: flex;
    gap: 25px;
    flex-grow: 1;
    align-items: flex-start;
    width: 100%;
}

/* Sol Taraf: Ana Kart */
.main-card {
    flex: 2.5;
    background-color: #111827;
    border-radius: 12px;
    padding: 30px;
    border: 1px solid #1f2937;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

.main-card h2 {
    font-size: 1.3rem;
    color: #f8fafc;
    margin-bottom: 15px;
}

.main-card p {
    color: #94a3b8;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 25px;
}

/* Son Görev Raporu Kutusu */
.report-box {
    background-color: #030712;
    border-radius: 8px;
    padding: 20px;
    border-left: 4px solid #22c55e;
    border-top: 1px solid #1f2937;
    border-right: 1px solid #1f2937;
    border-bottom: 1px solid #1f2937;
}

.report-box h3 {
    font-size: 1.05rem;
    color: #38bdf8;
    margin-bottom: 10px;
}

.report-box .date {
    font-size: 0.85rem;
    color: #64748b;
    margin-bottom: 10px;
}

.report-box p {
    color: #cbd5e1;
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Sağ Taraf: Acil Duyurular */
.sidebar {
    flex: 1.2;
    background-color: #111827;
    border-radius: 12px;
    padding: 25px;
    border: 1px solid #1f2937;
    border-right: 4px solid #ef4444;
}

.sidebar h3 {
    font-size: 1.1rem;
    color: #f8fafc;
    margin-bottom: 15px;
}

.sidebar ul {
    list-style-type: disc;
    padding-left: 20px;
}

.sidebar li {
    color: #94a3b8;
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: 10px;
}

/* Alt Bilgi (Footer) */
footer {
    text-align: center;
    padding: 25px;
    font-size: 0.8rem;
    color: #475569;
    border-top: 1px solid #1e293b;
    margin-top: auto;
}

/* Mobil Uyum */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
    }
}