/* kte-public.css */
:root {
    --kte-bg: #f9fafb;
    --kte-card: #ffffff;
    --kte-text: #1f2937;
    --kte-border: #e5e7eb;
    --kte-radius: 16px;
    --kte-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
}

@media (prefers-color-scheme: dark) {
    :root {
        --kte-bg: #121212;
        --kte-card: #1e1e1e;
        --kte-text: #f3f4f6;
        --kte-border: #374151;
        --kte-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
    }
}

.kte-wrapper {
    max-width: 600px;
    margin: 40px auto;
    background: var(--kte-card);
    border-radius: var(--kte-radius);
    box-shadow: var(--kte-shadow);
    color: var(--kte-text);
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    transition: all 0.3s ease;
    border: 1px solid var(--kte-border);
}

.kte-progress-bar {
    height: 6px;
    background: var(--kte-border);
    width: 100%;
}

.kte-progress-fill {
    height: 100%;
    background: var(--kte-primary);
    width: 0%;
    transition: width 0.4s ease;
}

.kte-screen {
    padding: 40px;
    display: none;
    animation: kteFadeIn 0.4s ease forwards;
}

.kte-screen.active {
    display: block;
}

@keyframes kteFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.kte-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
}

.kte-option {
    display: block;
    padding: 15px 20px;
    border: 2px solid var(--kte-border);
    border-radius: 12px;
    margin-bottom: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.kte-option:hover {
    border-color: var(--kte-primary);
    background: rgba(107, 33, 168, 0.05);
}

.kte-option input[type="radio"] {
    display: none;
}

.kte-option.selected {
    border-color: var(--kte-primary);
    background: var(--kte-primary);
    color: #fff;
}

.kte-btn {
    display: inline-block;
    padding: 14px 28px;
    background: var(--kte-primary);
    color: #fff;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    cursor: pointer;
    border: none;
    width: 100%;
    margin-top: 20px;
    text-decoration: none;
}

.kte-btn:hover {
    opacity: 0.9;
}

.kte-btn-wa {
    background: #25D366;
    margin-top: 10px;
}

.kte-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--kte-border);
    border-radius: 8px;
    margin-bottom: 15px;
    background: transparent;
    color: var(--kte-text);
}

.kte-result-img {
    width: 100%;
    border-radius: 12px;
    margin-bottom: 20px;
}