* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f5f7fb;
    color: #1d2433;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px;
}

h1 {
    margin-top: 0;
}

.subtitle {
    color: #4d5875;
}

.form-panel {
    background: #ffffff;
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.08);
}

.form-panel label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.form-panel textarea {
    width: 100%;
    border: 1px solid #ccd3e0;
    border-radius: 10px;
    padding: 12px;
    resize: vertical;
    margin-bottom: 12px;
    font-size: 14px;
}

.form-panel button {
    background: #1f6feb;
    color: #fff;
    border: 0;
    padding: 10px 16px;
    border-radius: 8px;
    cursor: pointer;
}

.feedback {
    border-radius: 10px;
    padding: 12px;
    margin: 12px 0;
}

.feedback.success {
    background: #e7f8ee;
    color: #0f6d38;
}

.feedback.error {
    background: #fdecee;
    color: #97223b;
}

.cards {
    margin-top: 24px;
    display: grid;
    gap: 12px;
}

.card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.card summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
    padding: 16px;
}

.card summary::-webkit-details-marker {
    display: none;
}

.card h2 {
    font-size: 18px;
    margin: 0 0 6px 0;
}

.card p {
    margin: 0;
}

.price {
    font-weight: bold;
    color: #133a7c;
}

.card-content {
    border-top: 1px solid #ecf0f6;
    padding: 16px;
}

.meta-grid {
    margin: 0 0 14px 0;
    padding-left: 18px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 6px 20px;
}

.gallery {
    margin-top: 10px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
}

.gallery img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid #e3e8f2;
}

code {
    display: block;
    max-height: 110px;
    overflow: auto;
    background: #f2f5fa;
    border-radius: 8px;
    padding: 10px;
}