* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    background: #f6f7fb;
    color: #1a1a2e;
    line-height: 1.5;
}
a { color: #2952d8; text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
    background: #1a1a2e;
    color: #fff;
    padding: 14px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.topbar .logo { color: #fff; font-weight: 700; font-size: 1.25rem; }
.topbar nav a { color: #cfd5ff; margin-left: 18px; }
.topbar.admin-bar { background: #5a1a2e; }

.container {
    max-width: 1100px;
    margin: 28px auto;
    padding: 0 24px;
}
.bottombar {
    text-align: center;
    color: #888;
    padding: 30px 0;
    font-size: 0.9rem;
}

h1 { margin-top: 0; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 6px;
    background: #e9ecf6;
    color: #1a1a2e;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    transition: background 0.15s;
}
.btn:hover { background: #d3d8ec; text-decoration: none; }
.btn.primary { background: #2952d8; color: #fff; }
.btn.primary:hover { background: #1d3eb0; }

/* Product grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 18px;
}
.card {
    background: #fff;
    border-radius: 10px;
    padding: 14px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.card img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    border-radius: 6px;
}
.card h3 { margin: 10px 0 4px; font-size: 1rem; color: #1a1a2e; }
.price { color: #2952d8; font-weight: 700; margin: 4px 0 10px; }

/* Product detail */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    background: #fff;
    padding: 24px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    margin-bottom: 30px;
}
.product-detail img { width: 100%; border-radius: 8px; }

/* Cart items with observation */
.cart-items { list-style: none; padding: 0; margin: 0 0 16px; }
.cart-item {
    background: #fff;
    padding: 14px;
    border-radius: 8px;
    margin-bottom: 10px;
    display: grid;
    grid-template-columns: 80px 1fr 1fr;
    gap: 14px;
    align-items: center;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.cart-item img { border-radius: 5px; width: 80px; }
.cart-item .info { display: flex; flex-direction: column; gap: 4px; }
.cart-item .obs-field { display: flex; flex-direction: column; gap: 4px; font-size: 0.85rem; color: #555; }
.cart-item .obs-field textarea {
    padding: 6px 8px;
    border: 1px solid #d0d4e0;
    border-radius: 5px;
    font-family: inherit;
    font-size: 0.9rem;
    resize: vertical;
}
.cart-total {
    text-align: right;
    font-size: 1.1rem;
    margin: 12px 0 24px;
}

/* Order items in admin */
.order-item {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 14px;
    background: #fff;
    padding: 12px 14px;
    border-radius: 6px;
    margin-bottom: 8px;
    align-items: start;
}
.order-item img { border-radius: 4px; }
.order-item .info { display: flex; flex-direction: column; gap: 4px; }
.order-item .obs {
    grid-column: 1 / -1;
    background: #fff8e1;
    border-left: 3px solid #f0a500;
    padding: 8px 12px;
    margin-top: 8px;
    border-radius: 4px;
    font-size: 0.92rem;
}
.order-item .obs .lbl { color: #888; font-weight: 600; display: block; margin-bottom: 2px; }
.order-item .obs .body { white-space: pre-wrap; }

/* Cart / orders */
table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 8px; overflow: hidden; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid #eee; }
th { background: #f0f2f8; }
.checkout-form { display: flex; flex-direction: column; gap: 10px; max-width: 480px; margin-top: 16px; }
.checkout-form label { display: flex; flex-direction: column; gap: 4px; }
.checkout-form input, .checkout-form textarea {
    padding: 8px 10px; border: 1px solid #d0d4e0; border-radius: 5px; font-family: inherit;
}

/* Admin */
body.admin { background: #f0e6e8; }
.admin-login {
    background: #1a1a2e;
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    margin: 0;
}
.login-box {
    background: #fff; padding: 30px; border-radius: 10px;
    width: 360px; box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}
.login-box form { display: flex; flex-direction: column; gap: 12px; }
.login-box label { display: flex; flex-direction: column; gap: 4px; font-size: 0.9rem; }
.login-box input { padding: 8px; border: 1px solid #d0d4e0; border-radius: 5px; }
.login-box .error { color: #c0392b; }
.login-box .hint { font-size: 0.85rem; color: #888; margin-top: 16px; }
.login-box .hint code { background: #eee; padding: 1px 5px; border-radius: 3px; }

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin: 18px 0;
}
.stat {
    background: #fff;
    padding: 18px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.stat .num { display: block; font-size: 1.6rem; font-weight: 700; color: #5a1a2e; }
.stat .lbl { color: #888; font-size: 0.85rem; }

.order-meta { background: #fff; padding: 16px 20px; border-radius: 8px; margin-bottom: 20px; }
.order-meta p { margin: 4px 0; }

.items { list-style: none; padding: 0; }
.items li {
    background: #fff; padding: 10px; border-radius: 6px;
    display: flex; gap: 14px; align-items: center; margin-bottom: 6px;
}
.items img { border-radius: 4px; }

.product-feedback {
    background: #fff;
    padding: 14px 18px;
    border-radius: 8px;
    margin-bottom: 14px;
}
.product-feedback h3 { margin: 0 0 8px; font-size: 1rem; }
.product-feedback .empty { color: #888; font-style: italic; }

.hint { color: #888; font-size: 0.9rem; }

/* Flash messages */
.flash-ok {
    background: #e8f5e9;
    color: #2e7d32;
    padding: 10px 14px;
    border-radius: 6px;
    border-left: 4px solid #2e7d32;
}
.flash-err {
    background: #fdecea;
    color: #c0392b;
    padding: 10px 14px;
    border-radius: 6px;
    border-left: 4px solid #c0392b;
}

.checkout-form input[type="file"] {
    padding: 6px 0;
    border: none;
    background: transparent;
}
.checkout-form input[type="number"] {
    padding: 8px 10px;
    border: 1px solid #d0d4e0;
    border-radius: 5px;
}

/* Logger */
.hit {
    background: #fff;
    padding: 14px 18px;
    border-radius: 8px;
    margin-bottom: 12px;
    border-left: 4px solid #c0392b;
}
.hit header { display: flex; justify-content: space-between; margin-bottom: 8px; color: #888; font-size: 0.85rem; }
.hit dl { display: grid; grid-template-columns: 100px 1fr; gap: 4px 12px; margin: 0; font-size: 0.9rem; }
.hit dt { color: #888; }
.hit code { background: #f0f2f8; padding: 2px 5px; border-radius: 3px; word-break: break-all; }