/* KSK LMS — Enroll button + registration gate popup
   Colors match the course viewer: navy #1a3557, teal #1d7a8c, green #1e7e4a */

.ksk-btn {
    display: inline-block;
    padding: 13px 28px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.15s;
}
.ksk-btn:hover { opacity: 0.9; transform: translateY(-1px); }

.ksk-btn-enroll,
.ksk-btn-login {
    background: linear-gradient(135deg, #1a3557, #1d7a8c);
    color: #fff !important;
}

.ksk-btn-enrolled {
    background: linear-gradient(135deg, #1e7e4a, #27ae60);
    color: #fff !important;
}

body.ksk-gate-open {
    overflow: hidden;
}

#reg-gate .quiz-option.selected,
#reg-gate label.quiz-option.selected {
    border-color: #1d7a8c;
    background: #e8f4f7;
}