:root {
    --brand-blue: #207de9;
    --brand-blue-dark: #1662ba;
    --light-bg: #f4f8ff;
    --border-color: #d9e6fb;
    --text-dark: #1a1a2e;
    --text-muted: #6b7280;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Roboto, Arial, sans-serif;
    background: var(--light-bg);
    color: var(--text-dark);
    margin: 0;
    padding: 0;
}

.topbar {
    background: var(--brand-blue);
    color: #fff;
    padding: 24px 32px;
}

.topbar h1 {
    margin: 0;
    font-size: 22px;
}

.topbar p {
    margin: 4px 0 0;
    opacity: 0.9;
    font-size: 14px;
}

.container {
    max-width: 820px;
    margin: 32px auto;
    padding: 0 20px 60px;
}

.card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(32, 125, 233, 0.06);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.card-header h2 {
    font-size: 17px;
    margin: 0;
    color: var(--brand-blue-dark);
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background-color: #ccc;
    border-radius: 24px;
    transition: 0.2s;
}

.toggle-slider:before {
    content: "";
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    border-radius: 50%;
    transition: 0.2s;
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--brand-blue);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(20px);
}

.section-body {
    display: none;
}

.section-body.active {
    display: block;
}

label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin: 12px 0 6px;
    color: var(--text-dark);
}

input[type="text"],
input[type="number"],
input[type="date"],
textarea,
input[type="file"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
}

textarea {
    min-height: 90px;
    resize: vertical;
}

.row {
    display: flex;
    gap: 16px;
}

.row > div {
    flex: 1;
}

.dynamic-row {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 8px;
}

.dynamic-row input {
    flex: 1;
}

.btn {
    display: inline-block;
    padding: 10px 18px;
    border-radius: 8px;
    border: none;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.btn-primary {
    background: var(--brand-blue);
    color: #fff;
}

.btn-primary:hover {
    background: var(--brand-blue-dark);
}

.btn-outline {
    background: #fff;
    color: var(--brand-blue);
    border: 1px solid var(--brand-blue);
}

.btn-remove {
    background: #fdeaea;
    color: #c0392b;
    border: none;
    border-radius: 6px;
    padding: 8px 10px;
    cursor: pointer;
}

.custom-slide-block {
    border: 1px dashed var(--border-color);
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 16px;
    background: var(--light-bg);
}

.custom-slide-block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.submit-bar {
    text-align: center;
    margin-top: 24px;
}

.submit-bar .btn-primary {
    padding: 14px 40px;
    font-size: 16px;
    border-radius: 30px;
}

.helper-text {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.preview-thumb {
    margin-top: 8px;
    max-width: 120px;
    max-height: 120px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    display: none;
}