:root {
    --light-1: #ffffff;
    --light-2: #f5f5f5;
    --dark-1: #111111;
    --dark-2: #333333;
    --accent: #ff3366;

    --admin-header-height: 56px;
    --admin-sidebar-width: 220px;
    --admin-content-top-gap: 18px;

    --admin-page-title-size: 32px;
    --admin-page-title-weight: 700;
    --admin-page-title-line-height: 1.2;

    --admin-radius: 12px;
    --admin-radius-small: 8px;
    --admin-border: 1px solid rgba(0, 0, 0, 0.08);
    --admin-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    --admin-warning-bg: #fff7d6;
    --admin-warning-border: #f1c40f;
    --admin-danger: #c0392b;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--light-2);
    color: var(--dark-1);
    font-family: Arial, sans-serif;
}

.admin-page,
.index-admin-page,
.settings-page,
.error-admin-page {
    max-width: 980px;
}

.admin-page__title {
    margin: 0 0 24px;
    color: var(--dark-1);
    font-size: var(--admin-page-title-size);
    font-weight: var(--admin-page-title-weight);
    line-height: var(--admin-page-title-line-height);
}

.admin-card {
    background: var(--light-1);
    border: var(--admin-border);
    border-radius: var(--admin-radius);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--admin-shadow);
    transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.admin-card h2,
.admin-card__title {
    margin-top: 0;
    margin-bottom: 22px;
}

.admin-card h3 {
    margin-top: 28px;
    margin-bottom: 16px;
}

.admin-section-title {
    margin: 0 0 18px;
    color: var(--dark-1);
    font-size: 20px;
    font-weight: 800;
    line-height: 1.25;
}

.admin-repeat {
    padding: 18px;
    margin-bottom: 18px;
    background: var(--light-2);
    border: 1px solid transparent;
    border-radius: 10px;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.admin-repeat h4 {
    margin-top: 0;
    margin-bottom: 16px;
}

.admin-alert {
    padding: 14px 18px;
    margin-bottom: 24px;
    background: #d4edda;
    border-radius: var(--admin-radius-small);
}

.admin-alert--error {
    background: #f8d7da;
    color: #842029;
}

.admin-actions,
.admin-section-actions {
    margin-top: 28px;
    margin-bottom: 0;
}

.admin-section-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-top: 18px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.admin-button,
.admin-actions button,
.admin-section-actions button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 12px 24px;
    border: 0;
    border-radius: var(--admin-radius-small);
    background: var(--accent);
    color: #ffffff;
    cursor: pointer;
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.admin-button:hover,
.admin-actions button:hover,
.admin-section-actions button:hover {
    opacity: 0.9;
}

.admin-button--danger {
    background: var(--admin-danger);
    color: #ffffff;
}

.admin-card label {
    display: block;
    margin-bottom: 7px;
    font-weight: 700;
}

.admin-card input,
.admin-card textarea,
.admin-card select {
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 18px;
    padding: 11px 12px;
    border: 1px solid #cccccc;
    border-radius: var(--admin-radius-small);
    font-family: Arial, sans-serif;
    font-size: 15px;
    transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.admin-card input[type="file"] {
    padding: 10px;
    background: #ffffff;
    cursor: pointer;
}

.admin-card input[type="color"] {
    height: 48px;
    padding: 4px;
    cursor: pointer;
}

.admin-card textarea {
    resize: vertical;
}

.admin-field {
    min-width: 0;
}

.admin-form__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.admin-checkbox {
    display: flex !important;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
}

.admin-checkbox input {
    width: auto !important;
    margin-bottom: 0 !important;
}

.admin-checkbox span {
    font-weight: 700;
}

.admin-field-is-dirty {
    border-color: var(--admin-warning-border) !important;
    background: var(--admin-warning-bg);
    box-shadow: 0 0 0 3px rgba(241, 196, 15, 0.18);
}

.admin-section-is-dirty {
    border-color: var(--admin-warning-border);
    background: linear-gradient(0deg, rgba(255, 247, 214, 0.4), rgba(255, 255, 255, 1));
}

.admin-repeat.admin-section-is-dirty {
    background: var(--admin-warning-bg);
}

.admin-unsaved-label {
    display: none;
    color: #8a6d00;
    font-size: 14px;
    font-weight: 700;
}

.admin-section-is-dirty > .admin-section-actions .admin-unsaved-label {
    display: inline-block;
}

.admin-image-field {
    margin-bottom: 18px;
}

.admin-image-preview {
    min-height: 120px;
    padding: 12px;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-2);
    border: 1px dashed #cccccc;
    border-radius: var(--admin-radius-small);
    box-sizing: border-box;
}

.admin-image-preview__image {
    display: none;
    max-width: 260px;
    max-height: 150px;
    object-fit: contain;
    border-radius: var(--admin-radius-small);
}

.admin-image-preview__empty {
    color: var(--dark-2);
    font-size: 14px;
    text-align: center;
}

.admin-image-preview--has-image .admin-image-preview__image {
    display: block;
}

.admin-image-preview--has-image .admin-image-preview__empty {
    display: none;
}

.admin-help-path,
.settings-file-path,
.error-admin-page__path {
    margin-top: -8px;
    margin-bottom: 18px;
    color: var(--dark-2);
    font-size: 14px;
}

@media (max-width: 900px) {
    .admin-form__grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .admin-section-actions {
        flex-wrap: wrap;
    }
}