.admin-body {
    background: #eef3f8;
    min-height: 100vh;
}

.admin-login-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.admin-login-card {
    width: min(430px, 100%);
    display: grid;
    gap: 16px;
    padding: 34px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: var(--shadow);
}

.admin-login-card img {
    width: 86px;
    height: 86px;
    object-fit: contain;
}

.admin-login-card h1,
.admin-panel h1,
.admin-panel h2 {
    margin: 0;
}

.admin-login-card p,
.admin-panel p {
    margin: 0;
    color: var(--muted);
}

.admin-login-card label,
.admin-fields label {
    display: grid;
    gap: 8px;
    color: var(--ink);
    font-weight: 700;
}

.admin-login-card input,
.admin-fields textarea,
.admin-image-card input[type="file"] {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 12px 13px;
    font: inherit;
    background: #fff;
}

.admin-fields textarea {
    resize: vertical;
    min-height: 54px;
}

.admin-back-link {
    color: var(--brand-dark);
    font-weight: 700;
}

.admin-topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 16px min(34px, 4vw);
    background: #101924;
    color: #fff;
    box-shadow: 0 10px 30px rgba(18, 24, 38, 0.16);
}

.admin-topbar span {
    display: block;
    color: #aab8c7;
    font-size: 0.9rem;
}

.admin-topbar nav {
    display: flex;
    gap: 12px;
}

.admin-topbar a {
    color: #d8fbf6;
    font-weight: 700;
}

.admin-shell {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 34px 0 120px;
}

.admin-panel {
    display: grid;
    gap: 18px;
    margin-bottom: 24px;
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: var(--shadow);
}

.admin-group {
    border: 1px solid var(--line);
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
}

.admin-group summary {
    cursor: pointer;
    padding: 16px 18px;
    background: var(--soft);
    color: var(--brand-dark);
    font-weight: 800;
}

.admin-fields {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    padding: 18px;
}

.admin-image-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    padding: 18px;
}

.admin-image-card {
    display: grid;
    gap: 10px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
}

.admin-image-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 6px;
    background: var(--soft);
}

.admin-image-card small {
    color: var(--muted);
    overflow-wrap: anywhere;
}

.admin-check {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: 0.92rem;
}

.admin-alert {
    padding: 14px 16px;
    border-radius: 8px;
    font-weight: 700;
}

.admin-alert.success {
    background: #dcfce7;
    color: #166534;
}

.admin-alert.error {
    background: #fee2e2;
    color: #991b1b;
}

.admin-savebar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 30;
    display: flex;
    justify-content: center;
    gap: 14px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.92);
    border-top: 1px solid var(--line);
    backdrop-filter: blur(16px);
}

@media (max-width: 900px) {
    .admin-fields,
    .admin-image-grid {
        grid-template-columns: 1fr;
    }

    .admin-topbar {
        align-items: flex-start;
        flex-direction: column;
    }
}