/* ========================================
   COURSES PAGE — Modals & Enhancements
   ======================================== */

/* === COURSE CARD ENHANCEMENTS === */
.course-card-image .course-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 52px;
    height: 52px;
    background: rgba(255,255,255,0.95);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    z-index: 2;
    transition: var(--transition);
}

.course-card:hover .course-badge {
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

.course-badge img {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.course-badge i {
    font-size: 1.5rem;
}

.course-badge.cisco i { color: #049fd9; }
.course-badge.security i { color: #d11f24; }
.course-badge.aws i { color: #ff9900; }
.course-badge.azure i { color: #0078d4; }
.course-badge.devops i { color: #059669; }
.course-badge.webdev i { color: #e34f26; }
.course-badge.marketing i { color: #ea4335; }
.course-badge.design i { color: #31a8ff; }
.course-badge.redhat i { color: #ee0000; }
.course-badge.python i { color: #3776ab; }
.course-badge.mobile i { color: #7c3aed; }
.course-badge.paloalto i { color: #fa582d; }

/* === BUTTON GROUP === */
.course-btn-group {
    display: flex;
    gap: 10px;
    align-items: center;
}

.btn-details {
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
    padding: 7px 18px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-details:hover {
    background: var(--accent);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(37,99,235,0.3);
}

.btn-details i {
    font-size: 0.75rem;
    transition: var(--transition);
}

.btn-details:hover i {
    transform: translateX(3px);
}

.course-card-body .btn.btn-enroll {
    padding: 8px 22px;
    font-size: 0.85rem;
    cursor: pointer;
    border: none;
}

/* === MODAL BACKDROP === */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10,15,30,0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* === ENROLLMENT MODAL === */
.enroll-modal {
    background: var(--white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 80px rgba(0,0,0,0.3);
    transform: translateY(30px) scale(0.95);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
}

.modal-overlay.active .enroll-modal {
    transform: translateY(0) scale(1);
}

.enroll-modal-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    padding: 30px 32px 24px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    color: var(--white);
    position: relative;
}

.enroll-modal-header h2 {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 6px;
}

.enroll-modal-header p {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.75);
}

.enroll-modal-header .modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.enroll-modal-header .modal-close:hover {
    background: rgba(255,255,255,0.3);
    transform: rotate(90deg);
}

.enroll-modal-body {
    padding: 28px 32px 32px;
}

.enroll-modal-body .form-group {
    margin-bottom: 18px;
}

.enroll-modal-body .form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.enroll-modal-body .form-group label .required {
    color: var(--red);
    margin-left: 2px;
}

.enroll-modal-body .form-group input,
.enroll-modal-body .form-group select,
.enroll-modal-body .form-group textarea {
    width: 100%;
    padding: 13px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 0.92rem;
    color: var(--gray-800);
    transition: var(--transition);
    background: var(--gray-50);
}

.enroll-modal-body .form-group input:focus,
.enroll-modal-body .form-group select:focus,
.enroll-modal-body .form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(37,99,235,0.1);
}

.enroll-modal-body .form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.enroll-modal-body .form-group input.readonly-field {
    background: linear-gradient(135deg, rgba(37,99,235,0.06), rgba(201,168,76,0.06));
    border-color: rgba(37,99,235,0.2);
    font-weight: 600;
    color: var(--primary);
    cursor: default;
}

.enroll-submit-btn {
    width: 100%;
    padding: 15px;
    font-size: 1rem;
    font-weight: 700;
    border: none;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    color: var(--white);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 20px rgba(37,99,235,0.35);
    margin-top: 6px;
}

.enroll-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(37,99,235,0.45);
}

.enroll-submit-btn.sent {
    background: #25d366;
    box-shadow: 0 4px 20px rgba(37,211,102,0.35);
}

/* === DETAILS MODAL === */
.details-modal {
    background: var(--white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 720px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 80px rgba(0,0,0,0.3);
    transform: translateY(30px) scale(0.95);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
}

.modal-overlay.active .details-modal {
    transform: translateY(0) scale(1);
}

.details-modal-header {
    padding: 0;
    position: relative;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    overflow: hidden;
    min-height: 180px;
    display: flex;
    align-items: flex-end;
}

.details-modal-header .details-header-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.details-modal-header .details-header-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(transparent 20%, rgba(0,0,0,0.7));
    z-index: 1;
}

.details-modal-header .details-header-content {
    position: relative;
    z-index: 2;
    padding: 30px 32px;
    color: var(--white);
    width: 100%;
}

.details-header-content .details-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 12px;
    border: 1px solid rgba(255,255,255,0.2);
}

.details-header-content h2 {
    font-size: 1.6rem;
    font-weight: 800;
    line-height: 1.3;
}

.details-modal-header .modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(0,0,0,0.35);
    backdrop-filter: blur(10px);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    z-index: 3;
}

.details-modal-header .modal-close:hover {
    background: rgba(0,0,0,0.6);
    transform: rotate(90deg);
}

.details-modal-body {
    padding: 32px;
}

.details-meta-bar {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--gray-200);
}

.details-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    color: var(--gray-600);
}

.details-meta-item i {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(37,99,235,0.03));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 0.85rem;
}

.details-meta-item strong {
    color: var(--primary);
    font-weight: 700;
}

.details-section {
    margin-bottom: 28px;
}

.details-section:last-child {
    margin-bottom: 0;
}

.details-section h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.details-section h3 i {
    color: var(--accent);
    font-size: 0.95rem;
}

.details-section p {
    font-size: 0.92rem;
    color: var(--gray-600);
    line-height: 1.8;
}

.details-section ul {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.details-section ul li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.88rem;
    color: var(--gray-700);
    padding: 6px 0;
}

.details-section ul li i {
    color: var(--accent);
    font-size: 0.7rem;
    margin-top: 5px;
    flex-shrink: 0;
}

.details-benefits {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--off-white);
    border-radius: var(--radius);
    transition: var(--transition);
}

.benefit-item:hover {
    background: var(--white);
    box-shadow: var(--shadow);
    transform: translateX(4px);
}

.benefit-item i {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(37,99,235,0.12), rgba(201,168,76,0.08));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 0.9rem;
    flex-shrink: 0;
}

.benefit-item span {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
}

.details-modal-footer {
    padding: 20px 32px 28px;
    display: flex;
    gap: 12px;
}

.details-modal-footer .btn {
    flex: 1;
    text-align: center;
    padding: 14px 24px;
    font-size: 0.95rem;
}

/* === SCROLLBAR STYLING FOR MODALS === */
.enroll-modal::-webkit-scrollbar,
.details-modal::-webkit-scrollbar {
    width: 6px;
}

.enroll-modal::-webkit-scrollbar-track,
.details-modal::-webkit-scrollbar-track {
    background: transparent;
}

.enroll-modal::-webkit-scrollbar-thumb,
.details-modal::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .course-btn-group {
        flex-direction: column;
        gap: 8px;
    }

    .course-btn-group .btn,
    .course-btn-group .btn-details {
        width: 100%;
        text-align: center;
        justify-content: center;
    }

    .enroll-modal {
        max-width: 100%;
        border-radius: 16px 16px 0 0;
        max-height: 95vh;
    }

    .details-modal {
        max-width: 100%;
        border-radius: 16px 16px 0 0;
        max-height: 95vh;
    }

    .enroll-modal-header,
    .enroll-modal-body {
        padding-left: 20px;
        padding-right: 20px;
    }

    .details-modal-body {
        padding: 24px 20px;
    }

    .details-section ul {
        grid-template-columns: 1fr;
    }

    .details-benefits {
        grid-template-columns: 1fr;
    }

    .details-meta-bar {
        gap: 12px;
    }

    .details-modal-footer {
        flex-direction: column;
        padding: 16px 20px 24px;
    }
}

@media (max-width: 480px) {
    .modal-overlay {
        padding: 10px;
        align-items: flex-end;
    }

    .details-header-content h2 {
        font-size: 1.3rem;
    }
}