body {
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    margin: 0;
    padding: 0;
    color: #1a1a1a;
}

header nav {
    padding: 0.75rem 1rem;
    background: #1f2937;
}

header nav a, header nav span {
    color: #f3f4f6;
    text-decoration: none;
    margin-right: 0.5rem;
}

header nav a:hover {
    text-decoration: underline;
}

main {
    max-width: 900px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}

.urun-listesi, .siparis-listesi {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.urun-karti, .siparis-karti {
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    cursor: pointer;
}

.tukendi {
    color: #b91c1c;
    font-weight: 600;
    margin-left: 0.5rem;
}

button {
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    border: 1px solid #d1d5db;
    background: #111827;
    color: white;
    cursor: pointer;
}

button:disabled {
    background: #9ca3af;
    cursor: not-allowed;
}

table {
    border-collapse: collapse;
    width: 100%;
}

th, td {
    border: 1px solid #e5e7eb;
    padding: 0.5rem;
    text-align: left;
}

/* Müşteri menüsündeki kategori/ürün kartları (resimli ızgara görünüm) */
.kategori-izgara, .urun-izgara {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.kart {
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    overflow: hidden;
    cursor: pointer;
    background: white;
    transition: box-shadow 0.15s ease, transform 0.15s ease;
}

    .kart:hover {
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        transform: translateY(-2px);
    }

.kart-resim {
    width: 100%;
    height: 110px;
    object-fit: cover;
    display: block;
}

.resim-yer-tutucu {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f3f4f6;
    font-size: 2rem;
}

.kart-baslik {
    padding: 0.5rem 0.6rem 0.2rem;
    font-weight: 600;
}

.kart-fiyat {
    padding: 0 0.6rem 0.6rem;
    color: #4b5563;
    font-size: 0.9rem;
}