@import url('tokens.css');

/* --- CSS VARIABLES & RESET --- */
/* :root block removed - using tokens.css */

.course-banner {
    margin: 128px auto 0 auto;
    width: 100%;
    height: 520px;
    max-width: 1400px;
    background: url("../images/plain-banner@2x.jpg");
    border-radius: var(--border-radius-3xl);
    box-sizing: border-box;
    display: flex;
    flex-direction: row;
    overflow: hidden;
    justify-content: space-between;
}

.course-banner-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
    justify-content: center;
    padding: 0 48px;

}

.course-banner-content h2 {
    font-size: var(--font-size-4xl);
    font-weight: 300;
    color: var(--color-gray-900);
    text-align: left;
    margin: 0;
}

.course-banner-content p {
    margin: 0;
    max-width: 560px;
    max-height: 100px;
    text-overflow: ellipsis;
    font-size: var(--font-size-md);
    color: var(--color-text-secondary-blue);
    line-height: 24px;
}

.course-banner-image {
    display: flex;
    align-items: end;
    justify-content: center;
}

.course-banner-image img {
    max-width: 600px;
    height: fit-content;
}

/* --- LAYOUT --- */
.page-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 96px 0 128px 0;
    display: flex;
    gap: 32px;
    position: relative;
    min-height: 100vh;
}

/* --- SIDEBAR --- */
.sidebar {
    width: 280px;
    flex-shrink: 0;
    position: -webkit-sticky;
    position: sticky;
    top: 128px;
    align-self: start;
    height: fit-content;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
    padding-right: 8px;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: var(--border-radius-xs);
}

.sidebar-header-desktop {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border-light, #eee);
}

.sidebar-header-desktop h4 {
    margin: 0;
    font-size: var(--font-size-lg);
    color: var(--color-gray-900);
    font-weight: 600;
}

.clear-filters-text {
    color: var(--color-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: color 0.2s;
}

.clear-filters-text:hover {
    color: var(--color-primary-dark);
    text-decoration: none;
}

@media (max-width: 992px) {
    .sidebar-header-desktop {
        display: none;
    }
}

.filter-label {
    font-size: var(--font-size-base);
    color: var(--color-gray-800);
    padding-bottom: 24px;
}

.filter-group {
    margin-bottom: 32px;
}

.filter-title {
    font-size: var(--font-size-md);
    font-weight: 600;
    margin-bottom: 16px;
    display: block;
}

.checkbox-label {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: #444;
    transition: color 0.2s;
}

.checkbox-label:hover {
    color: var(--color-blue-bright);
}

.checkbox-label input {
    margin-right: 8px;
    accent-color: var(--color-blue-bright);
    width: 16px;
    height: 16px;
}

.radio-label {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: #444;
    transition: color 0.2s;
}

.radio-label:hover {
    color: var(--color-primary);
}

.radio-label input {
    margin-right: 10px;
    accent-color: var(--color-primary);
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.close-filters,
.mobile-apply-container {
    display: none;
}

.mobile-filter-btn {
    display: none;
    width: 100%;
    padding: 8px;
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    color: var(--color-blue-bright);
    font-weight: 600;
    margin-bottom: 24px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    text-align: center;
}

/* --- CONTENT --- */
.content-area {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    margin-top: 8px;
}

.section-title {
    font-size: var(--font-size-xl);
    font-weight: 500;
    color: var(--color-gray-900);
    margin-top: 0;
}

.search-wrapper {
    position: relative;
    width: 300px;
}

.search-wrapper input {
    width: 100%;
    padding: 8px 32px 8px 16px;
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-xs);
    font-size: var(--font-size-sm);
}

.search-wrapper i {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}

/* --- CARDS --- */
.course-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.hidden {
    display: none !important;
}

.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 32px;
    background: #fff;
    border-radius: var(--border-radius-sm);
    color: #777;
}

/* --- PAGINATION --- */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: auto;
    padding: 24px 0;
}

.page-btn {
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #ddd;
    border-radius: var(--border-radius-circle);
    cursor: pointer;
    color: #555;
    background: white;
    font-size: var(--font-size-sm);
    transition: all 0.2s;
    user-select: none;
}

.page-btn:hover:not(.disabled):not(.active) {
    border-color: var(--color-blue-bright);
    color: var(--color-blue-bright);
}

.page-btn.active {
    background: var(--color-blue-bright);
    color: white;
    border-color: var(--color-blue-bright);
    pointer-events: none;
}

/* Disabled State */
.page-btn.disabled {
    background: #f4f4f4;
    color: #ccc;
    border-color: #eee;
    cursor: not-allowed;
}

.google-calendar {
    width: 100%;
    max-width: 1400px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    margin: 0 auto 128px auto;
    gap: 48px;
    padding: 48px;
    border-radius: var(--border-radius-3xl);
    background: var(--color-bg-stories);
}

.google-calendar h2 {
    font-size: var(--font-size-3xl);
    font-weight: 300;
    max-width: 300px;
}

.calendar {
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-sm);
    max-width: 800px;
}

/* --- MEDIA QUERIES --- */

/* course steps */

.course-steps-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 60px 20px;
    border-radius: var(--border-radius-3xl);
    background: var(--color-bg-stories);
}

.course-steps-header {
    margin-bottom: 80px;
    max-width: 600px;
}

.course-steps-header h1 {
    color: #2b6cb0;
    font-size: 2.5rem;
    margin: 10px 0;
}

.course-steps-header p {
    font-size: 1.1rem;
    color: #4a5568;
}

/* --- DESKTOP LAYOUT --- */
.course-steps-wrapper {
    display: flex;
    justify-content: space-between;
    position: relative;
}

/* LEFT: Text Steps */
.course-steps-col-text {
    width: 45%;
    padding-bottom: 20vh;
}

.course-steps-card {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    opacity: 0.3;
    transition: opacity 0.4s ease-out;
    padding: 20px 0;
}

/* Active State Class */
.course-steps-active {
    opacity: 1;
}

.course-steps-number {
    color: #2b6cb0;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.course-steps-title {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: #1a202c;
    transition: all 0.3s ease;
}

.course-steps-active .course-steps-title {
    pointer-events: none;
}

.course-steps-item:not(.course-steps-active):hover .course-steps-title {
    color: #2b6cb0;
    text-decoration: underline;
    text-decoration-color: #2b6cb0;
}

.course-steps-desc {
    font-size: 1.1rem;
    color: #4a5568;
    margin-bottom: 25px;
}

.course-steps-cta {
    display: inline-block;
    background-color: #2b6cb0;
    color: white;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    align-self: flex-start;
    transition: background 0.3s;
}

.course-steps-cta:hover {
    background-color: #1e4b8a;
}

/* RIGHT: Sticky Image Container */
.course-steps-col-img {
    width: 50%;
    height: 100vh;
    position: sticky;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.course-steps-img-frame {
    width: 100%;
    height: 500px;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    background: #fff;
}

.course-steps-img-desktop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
}

.course-steps-img-desktop:first-child {
    opacity: 1;
}

/* Mobile Image Wrapper (Hidden on Desktop) */
.course-steps-img-mobile-wrapper {
    display: none;
}

/* --- MOBILE RESPONSIVENESS --- */

@media (max-width: 1200px) {
    div.course-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}


@media (max-width: 992px) {
    .page-container {
        flex-direction: column;
        gap: 0;
    }

    .mobile-filter-btn {
        display: block;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: white;
        z-index: 1000;
        padding: 24px;
        padding-bottom: 80px;
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
        max-height: 100vh;
        overflow-y: auto;
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .close-filters {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 24px;
        border-bottom: 1px solid #eee;
        padding-bottom: 16px;
    }

    .close-icon {
        cursor: pointer;
        font-size: var(--font-size-xl);
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .search-wrapper {
        width: 100%;
    }

    .mobile-apply-container {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 12px;
        margin-top: 24px;
        width: 100%;
        background: white;
    }

    .btn-apply {
        width: 100%;
        padding: 14px;
        background: var(--color-blue-bright);
        color: white;
        border: none;
        border-radius: var(--border-radius-xs);
        font-weight: 600;
        cursor: pointer;
        font-size: var(--font-size-md);
    }
}

@media (max-width: 768px) {
    .course-steps-wrapper {
        display: block;
    }

    .course-steps-col-text {
        width: 100%;
        padding-bottom: 0;
    }

    .course-steps-card {
        min-height: auto;
        opacity: 1;
        margin-bottom: 60px;
        display: block;
    }

    .course-steps-col-img {
        display: none;
    }

    .course-steps-img-mobile-wrapper {
        display: block;
        width: 100%;
        height: 250px;
        margin-bottom: 20px;
        border-radius: 8px;
        overflow: hidden;
    }

    .course-steps-img-mobile-wrapper img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
}

@media (max-width: 992px) {
    .course-banner {
        width: 95%;
        border-radius: 0;
        margin: 128px auto 0 auto;
        flex-direction: column;
        height: auto;
        background: none;
    }

    .course-banner-image {
        order: -1;
        width: 100%;
    }

    .course-banner-image img {
        width: 100%;
        height: 300px !important;
        min-height: 300px;
        max-height: 300px;
        object-fit: cover;
        border-radius: var(--border-radius-xl);
    }

    .course-banner-content {
        width: 100%;
        padding: 24px 24px 48px 24px;
        margin-top: 36px;
        box-sizing: border-box;
        text-align: center;
    }

    .course-banner-content h2 {
        text-align: center;
        font-size: var(--font-size-2xl);
        margin: 0 auto;
    }

    .course-banner-content p {
        margin: 0 auto 24px auto;
    }
}

@media (max-width: 600px) {
    .page-container {
        padding: 32px 24px;
    }

    .course-banner-content h2 {
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 500px) {
    .mobile-filter-btn {
        padding: 16px;
        font-weight: 400;
        font-size: var(--font-size-md);
    }

    .google-calendar {
        flex-direction: column;
        padding: 0 16px 128px 16px;
        margin: 0 auto;
        gap: 16px;
        background: none;
    }

    .google-calendar h2 {
        font-size: var(--font-size-2xl);
        font-weight: 400;
        max-width: 260px;
        text-align: center;
    }
}

#clearFiltersBtn {
    padding: 8px 15px;
    border: 1px solid #ccc;
    background: white;
    border-radius: 4px;
    cursor: pointer;
}

.clear-filters-btn {
    padding: 8px 15px;
    border: 1px solid #ccc;
    background: white;
    border-radius: 4px;
    cursor: pointer;
    font-size: var(--font-size-sm);
    transition: all 0.2s;
}

.clear-filters-btn:hover {
    background: #f8f8f8;
    border-color: #999;
}

@media (max-width: 992px) {
    .clear-filters-btn {
        background: none;
        border: none;
        color: var(--color-blue-bright);
        text-decoration: underline;
        padding: 8px 0;
        width: fit-content;
        font-weight: 500;
        font-size: var(--font-size-sm);
    }

    .clear-filters-btn:hover {
        background: none;
        color: var(--color-blue-dark);
    }
}