body {
            background: #f5f7fa;
        }

        .kltv-navbar {
            background: #ffffff;
            border-bottom: 1px solid #e5e5e5;
        }

        .kltv-logo-wrap {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 4px 8px;
            background: #ffffff;
            border-radius: 999px;
            box-shadow: 0 2px 6px rgba(0,0,0,0.06);
        }

        .kltv-logo {
            height: 40px;
            width: auto;
        }

        .kltv-brand-text {
            font-weight: 600;
            font-size: 16px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
            color: #184458;
        }

        .kltv-hero {
            margin-top: 30px;
            margin-bottom: 20px;
        }

        .kltv-hero h2 {
            font-size: 28px;
            margin-bottom: 8px;
        }

        .kltv-hero-lead {
            font-size: 15px;
            color: #5f6b7a;
        }

        .kltv-stepper {
            display: flex;
            gap: 10px;
            margin: 25px 0 15px;
            flex-wrap: wrap;
        }

        .kltv-step {
            flex: 1 1 150px;
            background: #ffffff;
            border-radius: 999px;
            padding: 8px 14px;
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
            border: 1px solid #dde3ea;
            color: #7a8699;
        }

        .kltv-step-number {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: #dde3ea;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 600;
        }

        .kltv-step.kltv-step-active {
            border-color: #184458;
            background: #184458;
            color: #ffffff;
        }

        .kltv-step.kltv-step-active .kltv-step-number {
            background: #ffffff;
            color: #184458;
        }

        .kltv-step.kltv-step-done {
            border-color: #7B993D;
            background: #e9f3dd;
            color: #3b5a1a;
        }

        .kltv-step.kltv-step-done .kltv-step-number {
            background: #7B993D;
            color: #ffffff;
        }

        .kltv-choice-grid {
            margin-top: 10px;
        }

        .kltv-choice-card {
            background: #ffffff;
            border-radius: 14px;
            padding: 18px 18px 14px;
            border: 1px solid #dde3ea;
            cursor: pointer;
            transition: box-shadow 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
            height: 100%;
        }

        .kltv-choice-card:hover {
            box-shadow: 0 6px 18px rgba(0,0,0,0.08);
            border-color: #184458;
            transform: translateY(-1px);
        }

        .kltv-choice-card.kltv-choice-active {
            border-color: #184458;
            box-shadow: 0 8px 22px rgba(24,68,88,0.18);
        }

        .kltv-choice-label {
            display: inline-block;
            font-size: 11px;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            font-weight: 600;
            color: #7a8699;
            margin-bottom: 4px;
        }

        .kltv-choice-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 4px;
            color: #184458;
        }

        .kltv-choice-text {
            font-size: 13px;
            color: #5f6b7a;
            margin-bottom: 10px;
        }

        .kltv-choice-tag {
            display: inline-block;
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 999px;
            background: #e9f3dd;
            color: #3b5a1a;
        }

        .kltv-form-panel {
            margin-top: 25px;
        }

        .kltv-form-card {
            background: #ffffff;
            border-radius: 16px;
            border: 1px solid #dde3ea;
            box-shadow: 0 8px 20px rgba(0,0,0,0.05);
            padding: 24px 22px 20px;
        }

        .kltv-form-header {
            display: flex;
            justify-content: space-between;
            align-items: baseline;
            margin-bottom: 15px;
            gap: 10px;
        }

        .kltv-form-title {
            margin: 0;
            font-size: 20px;
            color: #184458;
        }

        .kltv-form-subtitle {
            margin: 0;
            font-size: 13px;
            color: #7a8699;
        }

        .kltv-section-title {
            font-size: 14px;
            font-weight: 600;
            margin: 18px 0 6px;
            color: #184458;
        }

        .kltv-availability-helper {
            font-size: 12px;
            color: #7a8699;
            margin-bottom: 6px;
        }

        .kltv-availability-grid label.m3-form-label {
            font-size: 13px;
        }

        .kltv-slot-checks {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 6px;
        }

        .kltv-slot-check-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 8px;
            border: 1px solid #d5dde7;
            border-radius: 999px;
            background: #fff;
            font-size: 12px;
            color: #2b3642;
            cursor: pointer;
            user-select: none;
        }

        .kltv-slot-check-item input {
            margin: 0;
            accent-color: #2080b0;
        }

        .kltv-hero-badge {
            display: inline-block;
            font-size: 11px;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: #7B993D;
            background: #e9f3dd;
            padding: 2px 8px;
            border-radius: 999px;
            margin-bottom: 6px;
        }

        .kltv-card {
            border-radius: 14px;
            border: 1px solid #dde3ea;
        }

        .kltv-usps li::marker {
            color: #7B993D;
        }

        .kltv-badge {
            display: inline-block;
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 999px;
            background: #e3f2fd;
            color: #1565c0;
        }

        .kltv-submit-btn {
            background: #184458;
            border-color: #184458;
        }

        .kltv-submit-btn:hover {
            background: #133445;
            border-color: #133445;
        }

        #kltv-public-main-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }

        #kltv-public-main-left {
            width: 100%;
            max-width: 100%;
            margin: 0 auto;
        }

        #kltv-public-main-grid > * {
            width: 100%;
        }

        @media (min-width: 900px) {
            #kltv-public-main-left {
                max-width: 980px;
            }
        }

        @media (max-width: 959px) {
            .kltv-form-card {
                padding: 18px 14px 16px;
            }
        }

        @media (max-width: 640px) {
            .kltv-hero h2 {
                font-size: 24px;
            }

            .kltv-step {
                flex: 1 1 100%;
            }

            .kltv-form-header {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        :root[data-theme="dark"] body {
            background: var(--md-sys-color-surface);
        }

        :root[data-theme="dark"] .kltv-choice-card,
        :root[data-theme="dark"] .kltv-form-card,
        :root[data-theme="dark"] .kltv-navbar,
        :root[data-theme="dark"] .kltv-logo-wrap {
            background: var(--md-sys-color-surface-container);
            border-color: var(--md-sys-color-outline);
            color: var(--md-sys-color-on-surface);
        }

        :root[data-theme="dark"] .kltv-choice-title,
        :root[data-theme="dark"] .kltv-form-title,
        :root[data-theme="dark"] .kltv-brand-text {
            color: var(--md-sys-color-on-surface);
        }

        :root[data-theme="dark"] .kltv-choice-text,
        :root[data-theme="dark"] .kltv-form-subtitle,
        :root[data-theme="dark"] .kltv-hero-lead,
        :root[data-theme="dark"] .kltv-availability-helper {
            color: color-mix(in srgb, var(--md-sys-color-on-surface) 80%, transparent);
        }