* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arimo', 'Noto Sans KR', sans-serif;
    background-color: #f9fafb;
    color: #101828;
}

/* Main Content */
.main-content {
    display: grid;
    grid-template-columns: 256px 1fr;
    gap: 0;
    margin: 0;
    min-height: calc(100vh - 120.881px);
}

/* Sidebar */
.sidebar {
    background-color: white;
    border-right: 1px solid #e5e7eb;
    border-bottom: 1px solid #e5e7eb;
    padding: 24px 12px;
    display: flex;
    flex-direction: column;
    gap: 23.991px;
    position: sticky;
    top: 120.881px;
    height: fit-content;
    z-index: 9;
}

.sidebar-title {
    font-size: 16px;
    font-weight: 600;
    color: #101828;
    padding: 0 12px;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 7.997px;
}

.sidebar-btn {
    background-color: transparent;
    border: none;
    border-radius: 10px;
    padding: 12px 16px;
    cursor: pointer;
    font-size: 16px;
    color: #364153;
    text-align: left;
    transition: all 0.3s ease;
    min-height: 47.969px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-btn:hover {
    background-color: rgba(255, 122, 0, 0.08);
    color: #ff7a00;
}

.sidebar-btn.active {
    background-color: #ff7a00;
    color: white;
}

.sidebar-btn svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Content Area */
.content-area {
    padding: 32px 32px 24px 32px;
    overflow-y: auto;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 32px;
    gap: 24px;
}

.page-header-text {
    flex: 1;
}

.page-title {
    font-size: 24px;
    font-weight: 400;
    color: #101828;
    margin: 0 0 8px 0;
    line-height: 1.4;
}

.page-subtitle {
    font-size: 16px;
    font-weight: 400;
    color: #4a5565;
    margin: 0;
    line-height: 1.5;
}

.btn-primary {
    background-color: #ff7a00;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.btn-primary:hover {
    background-color: #e67e00;
}

/* Filter Section */
.filter-section {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
}

.filter-btn {
    background-color: #ff7a00;
    color: white;
    border: none;
    border-radius: 10px;
    padding: 10px 16px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background-color: #e67e00;
}

.filter-btn.inactive {
    background-color: white;
    color: #364153;
    border: 1px solid #e5e7eb;
}

.filter-btn.inactive:hover {
    background-color: #f9fafb;
    border-color: #ff7a00;
}

/* Onboarding Banner */
.onboarding-banner {
    background: linear-gradient(172.79deg, rgb(255, 233, 214) 0%, rgb(255, 244, 230) 50%, rgb(255, 239, 213) 100%);
    border-radius: 14px;
    padding: 20px 23.991px;
    margin: 24px;
    display: flex;
    gap: 30px;
    align-items: center;
    box-shadow: 0px 1px 3px 0px rgba(0,0,0,0.1), 0px 1px 2px 0px rgba(0,0,0,0.1);
}

.onboarding-content {
    flex: 1;
}

.onboarding-title {
    font-size: 16px;
    font-weight: 400;
    color: #1e2939;
    margin-bottom: 4px;
}

.onboarding-subtitle {
    font-size: 14px;
    font-weight: 400;
    color: #4a5565;
    margin-bottom: 12px;
}

.progress-bar-container {
    background-color: #ffe9d6;
    border-radius: 30504000px;
    height: 8px;
    margin-bottom: 4px;
    overflow: hidden;
    width: 100%;
}

.progress-bar {
    background-color: #ff7a00;
    height: 100%;
    width: 40%;
    border-radius: 30504000px;
}

.progress-bar-onboarding {
    background-color: #ff7a00;
    height: 100%;
    width: 40%;
    border-radius: 30504000px;
}

.progress-text {
    font-size: 12px;
    color: #4a5565;
}

.onboarding-btn {
    background-color: #ff7a00;
    color: white;
    border: none;
    border-radius: 10px;
    padding: 0 20px;
    height: 52px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 400;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.onboarding-btn:hover {
    background-color: #e67e00;
}

/* Course Grid */
.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(444px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.course-card {
    background-color: white;
    border: 0.909px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    box-shadow: 0px 1px 3px 0px rgba(0,0,0,0.1);
}

.course-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-color: #ff7a00;
}

.course-thumbnail {
    width: 100%;
    height: 191.989px;
    background: linear-gradient(156.53deg, rgb(243, 232, 255) 0%, rgb(219, 234, 254) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6a7282;
    font-size: 48px;
    position: relative;
    overflow: hidden;
}

.course-badge-live {
    position: absolute;
    top: 12px;
    left: 12px;
    background-color: #e7000b;
    color: white;
    border-radius: 4px;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 4px;
}

.course-badge-status {
    position: absolute;
    top: 12px;
    right: 12px;
    background-color: #f3f4f6;
    color: #364153;
    border-radius: 30504000px;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
}

.course-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
}

.course-title {
    font-size: 16px;
    font-weight: 600;
    color: #101828;
    margin: 0;
    line-height: 1.4;
    min-height: 40px;
}

.course-price-section {
    display: flex;
    gap: 8px;
    align-items: center;
}

.course-price {
    font-size: 18px;
    font-weight: 700;
    color: #ff7a00;
    margin: 0;
}

.course-price-original {
    font-size: 14px;
    color: #99a1af;
    text-decoration: line-through;
    margin: 0;
}

.course-discount {
    background-color: #fef2f2;
    color: #e7000b;
    border-radius: 4px;
    padding: 2px 8px;
    font-size: 12px;
    font-weight: 600;
}

.course-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px 0;
    border-top: 0.909px solid #f3f4f6;
    border-bottom: 0.909px solid #f3f4f6;
}

.course-info-item {
    display: flex;
    gap: 8px;
    font-size: 14px;
    color: #4a5565;
    align-items: center;
}

.course-info-item svg,
.course-info-item .icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.course-status-badge {
    background-color: #dcfce7;
    color: #008236;
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
    align-self: flex-start;
}

.course-actions {
    display: grid;
    grid-template-columns: 128px 128px 128px;
    gap: 8px;
}

.course-action-btn {
    border: 0.909px solid #d1d5dc;
    background-color: white;
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 12px;
    color: #0a0a0a;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    transition: all 0.3s ease;
}

.course-action-btn:hover {
    background-color: #f9fafb;
    border-color: #ff7a00;
}

.course-action-btn-green {
    border-color: #00a63e;
    color: #00a63e;
}

.course-action-btn-green:hover {
    background-color: #f0fdf4;
}

.course-action-btn-orange {
    border-color: #ff7a00;
    color: #ff7a00;
}

.course-action-btn-orange:hover {
    background-color: #fff7ed;
}

/* Tab Content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Content Product Form */
.content-form-card {
    background-color: white;
    border: 0.909px solid rgba(0, 0, 0, 0.1);
    border-radius: 14px;
    padding: 32.898px;
    max-width: 846.25px;
    margin: 0 auto;
    box-shadow: 0px 1px 3px 0px rgba(0,0,0,0.1);
}

.form-section {
    display: flex;
    flex-direction: column;
    gap: 11.989px;
    margin-bottom: 23.992px;
    padding-bottom: 23.992px;
    border-bottom: 0.994px solid rgba(0, 0, 0, 0.1);
}

.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.form-section-label {
    font-size: 16px;
    font-weight: 400;
    color: #101828;
    margin: 0;
    display: block;
}

.upload-area {
    border: 1.818px dashed #d1d5dc;
    border-radius: 10px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: white;
}

.upload-area:hover {
    border-color: #ff7a00;
    background-color: #fafafa;
}

.upload-text {
    font-size: 16px;
    font-weight: 400;
    color: #101828;
    margin: 0 0 8px 0;
}

.upload-subtext {
    font-size: 14px;
    color: #6a7282;
    margin: 0;
}

.file-preview {
    background-color: #f9fafb;
    border: 0.909px solid #e5e7eb;
    border-radius: 8px;
    padding: 12px 16px;
}

.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #4a5565;
    font-size: 14px;
}

.file-name {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    word-break: break-all;
}

.file-remove-btn {
    background: none;
    border: none;
    color: #6a7282;
    cursor: pointer;
    padding: 4px 8px;
    font-size: 18px;
    transition: color 0.3s ease;
    flex-shrink: 0;
}

.file-remove-btn:hover {
    color: #ff7a00;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 7.997px;
    margin-bottom: 15.994px;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-input-label {
    font-size: 14px;
    font-weight: 400;
    color: #364153;
    margin: 0;
    display: block;
}

.form-input,
.form-textarea {
    background-color: #f3f3f5;
    border: 0.909px solid rgba(0, 0, 0, 0);
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 14px;
    font-family: 'Arimo', 'Noto Sans KR', sans-serif;
    color: #101828;
    transition: all 0.3s ease;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: #717182;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    background-color: #fff;
    border-color: #ff7a00;
}

.form-input {
    height: 35.994px;
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
    line-height: 1.5;
}

.form-row {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.input-with-unit {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-unit .form-input {
    padding-right: 48px;
    width: 100%;
}

.input-unit {
    position: absolute;
    right: 12px;
    color: #6a7282;
    font-size: 16px;
    pointer-events: none;
}

.form-helper-text {
    font-size: 12px;
    color: #6a7282;
    margin: 0;
    margin-top: 4px;
}

.image-preview {
    border-radius: 8px;
    border: 0.909px solid #e5e7eb;
    display: block;
}

.form-footer {
    display: flex;
    gap: 11.989px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid #e5e7eb;
}

.btn-cancel,
.btn-submit {
    flex: 1;
    height: 35.994px;
    border-radius: 8px;
    border: none;
    font-size: 14px;
    font-weight: 400;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-cancel {
    background-color: white;
    border: 0.909px solid rgba(0, 0, 0, 0.1);
    color: #0a0a0a;
}

.btn-cancel:hover {
    background-color: #f9fafb;
    border-color: #ff7a00;
}

.btn-submit {
    background-color: #ff7a00;
    color: white;
}

.btn-submit:hover {
    background-color: #e67e00;
}

/* Q&A Management */
.qna-stats-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16.903px;
    margin-bottom: 23.991px;
    max-width: 846.25px;
}

.qna-stat-card {
    background-color: white;
    border: 0.909px solid rgba(0, 0, 0, 0.1);
    border-radius: 14px;
    padding: 16.903px;
    display: flex;
    flex-direction: column;
    gap: 27.983px;
    box-shadow: 0px 1px 3px 0px rgba(0,0,0,0.1);
}

.qna-stat-label {
    font-size: 14px;
    font-weight: 400;
    color: #4a5565;
    margin: 0;
}

.qna-stat-number {
    font-size: 24px;
    font-weight: 700;
    margin: 0;
}

.qna-questions-container {
    display: flex;
    flex-direction: column;
    gap: 15.994px;
    max-width: 846.25px;
}

.qna-question-card {
    background-color: white;
    border: 0.909px solid rgba(0, 0, 0, 0.1);
    border-radius: 14px;
    padding: 24.9px;
    box-shadow: 0px 1px 3px 0px rgba(0,0,0,0.1);
}

.qna-question-header {
    display: flex;
    gap: 11.989px;
    margin-bottom: 35.98px;
}

.qna-user-avatar {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 50%;
    background-color: #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.qna-question-meta {
    flex: 1;
}

.qna-question-title-row {
    display: flex;
    gap: 7.997px;
    align-items: center;
    margin-bottom: 3.991px;
}

.qna-user-name {
    font-size: 16px;
    font-weight: 400;
    color: #101828;
}

.qna-date {
    font-size: 14px;
    color: #6a7282;
}

.qna-status-badge {
    background-color: #dbeafe;
    color: #1447e6;
    border-radius: 4px;
    padding: 2px 8px;
    font-size: 12px;
    font-weight: 400;
}

.qna-question-text {
    font-size: 16px;
    font-weight: 400;
    color: #364153;
    margin: 0;
    line-height: 1.6;
}

.qna-divider {
    height: 0.994px;
    background-color: rgba(0, 0, 0, 0.1);
    margin-bottom: 35.98px;
}

.qna-answer-box {
    background-color: #f0fdf4;
    border: 0.909px solid #b9f8cf;
    border-radius: 10px;
    padding: 16.903px;
}

.qna-answer-header {
    display: flex;
    gap: 11.989px;
    align-items: flex-start;
    margin-bottom: 15.994px;
}

.qna-answer-title {
    display: flex;
    gap: 7.997px;
    align-items: center;
}

.qna-answer-label {
    font-size: 16px;
    font-weight: 400;
    color: #0d542b;
}

.qna-answer-date {
    font-size: 14px;
    color: #008236;
}

.qna-answer-text {
    font-size: 16px;
    font-weight: 400;
    color: #364153;
    margin: 0;
    line-height: 1.6;
}

.qna-answer-button {
    width: 100%;
    background-color: white;
    border: 0.909px solid #ff7a00;
    border-radius: 8px;
    padding: 10px 12px;
    height: 35.994px;
    font-size: 14px;
    font-weight: 400;
    color: #ff7a00;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
    font-family: 'Arimo', 'Noto Sans KR', sans-serif;
}

.qna-answer-button:hover {
    background-color: #fff7ed;
    border-color: #e67e00;
    color: #e67e00;
}

.course-list-header {
    margin-bottom: 24px;
}

.course-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 17px;
    margin-bottom: 24px;
}

.stat-card {
    display: flex;
    flex-direction: column;
    gap: 28px;
    padding: 17px;
    background-color: white;
    border: 0.909px solid rgba(0, 0, 0, 0.1);
    border-radius: 14px;
}

.stat-label {
    font-size: 14px;
    color: #4a5565;
}

.stat-number {
    font-size: 24px;
    font-weight: bold;
}

.course-filter-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.filter-buttons {
    display: flex;
    gap: 8px;
}

.filter-btn {
    padding: 10px 16px;
    border: 0.909px solid transparent;
    border-radius: 10px;
    background-color: white;
    color: #364153;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn.active {
    background-color: #ff7a00;
    color: white;
    border-color: #ff7a00;
}

.filter-btn:hover:not(.active) {
    border-color: #e5e7eb;
}

.search-box {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: #717182;
}

.search-input {
    width: 100%;
    padding: 10px 12px 10px 40px;
    border: 0.909px solid rgba(0, 0, 0, 0);
    border-radius: 8px;
    background-color: #f3f3f5;
    font-size: 14px;
    color: #717182;
}

.search-input::placeholder {
    color: #717182;
}

.search-input:focus {
    outline: none;
    background-color: #ffffff;
    border-color: #ff7a00;
}

.course-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(444px, 1fr));
    gap: 24px;
}

.course-card {
    background-color: white;
    border: 0.909px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0px 1px 3px 0px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.course-card:hover {
    transform: translateY(-2px);
    box-shadow: 0px 4px 12px 0px rgba(0, 0, 0, 0.15);
}

.course-thumbnail {
    position: relative;
    height: 192px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.thumbnail-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.status-badge {
    position: absolute;
    top: 13px;
    right: 13px;
    padding: 6px 12px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
}

.course-info {
    padding: 20px;
    border-bottom: 0.909px solid #f3f4f6;
}

.course-title {
    font-size: 16px;
    font-weight: bold;
    color: #101828;
    margin-bottom: 4px;
    margin-top: 0;
}

.course-description {
    font-size: 14px;
    color: #4a5565;
    margin-bottom: 8px;
    margin-top: 0;
}

.course-meta {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    color: #4a5565;
}

.meta-icon {
    width: 16px;
    height: 16px;
}

.difficulty-badge {
    background-color: #f3e8ff;
    color: #8200db;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.course-price-section {
    margin-top: 8px;
}

.course-price {
    font-size: 18px;
    font-weight: bold;
    color: #ff7a00;
    margin: 0;
}

.course-actions {
    display: flex;
    gap: 8px;
    padding: 12px 20px;
}

.action-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 12px;
    border: 0.909px solid rgba(0, 0, 0, 0.1);
    background-color: white;
    color: #0a0a0a;
    cursor: pointer;
    transition: all 0.3s ease;
}

.action-btn svg {
    width: 16px;
    height: 16px;
}

.action-btn:hover {
    background-color: #f9fafb;
    border-color: #d1d5db;
}

.action-btn.btn-edit {
    color: #0a0a0a;
}

.action-btn.btn-edit:hover {
    color: #101828;
}

.action-btn.btn-hide,
.action-btn.btn-delete {
    border-color: #e7000b;
    color: #e7000b;
}

.action-btn.btn-hide:hover,
.action-btn.btn-delete:hover {
    background-color: #fef2f2;
}

/* Schedule Management Styles */
.schedule-header {
    margin-bottom: 24px;
}

.schedule-container {
    display: grid;
    grid-template-columns: 1fr 298px;
    gap: 24px;
}

.calendar-section {
    background-color: white;
    border: 0.909px solid rgba(0, 0, 0, 0.1);
    border-radius: 14px;
    padding: 24px;
}

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

.calendar-title {
    font-size: 16px;
    font-weight: bold;
    color: #101828;
    margin: 0;
}

.calendar-nav {
    display: flex;
    gap: 8px;
}

.calendar-nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 0.909px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    background-color: white;
    color: #364153;
    cursor: pointer;
    transition: all 0.3s ease;
}

.calendar-nav-btn:hover {
    border-color: #d1d5db;
    background-color: #f9fafb;
}

.calendar-nav-btn svg {
    width: 16px;
    height: 16px;
}

.calendar-weekday {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
    margin-bottom: 12px;
}

.weekday-cell {
    text-align: center;
    font-size: 14px;
    color: #4a5565;
    padding: 8px 0;
    font-weight: 500;
}

.calendar-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.calendar-date {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1;
    border: 1.818px solid transparent;
    border-radius: 10px;
    background-color: white;
    color: #101828;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 72px;
    min-width: 72px;
}

.calendar-date.empty {
    background-color: transparent;
    cursor: default;
}

.calendar-date.empty:hover {
    border-color: transparent;
    background-color: transparent;
}

.calendar-date:hover {
    border-color: #e5e7eb;
    background-color: #f9fafb;
}

.calendar-date.has-event {
    border: 1.818px solid transparent;
}

.calendar-date.has-event[data-status="recruiting"] .event-dot {
    background-color: #6a7282;
}

.calendar-date.has-event[data-status="confirmed"] .event-dot {
    background-color: #00c950;
}

.calendar-date.has-event[data-status="ongoing"] .event-dot {
    background-color: #fb2c36;
}

.calendar-date.has-event[data-status="ended"] .event-dot {
    background-color: #99a1af;
}

.event-dot {
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #6a7282;
}

.calendar-date.selected {
    background-color: #eff6ff;
    border-color: #2b7fff;
    color: #101828;
}

.calendar-date.active {
    background-color: #fff7ed;
    border-color: #ff7a00;
}

.calendar-legend {
    display: flex;
    gap: 16px;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 0.909px solid #e5e7eb;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #4a5565;
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.schedule-sidebar {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.date-events-card,
.stats-card {
    background-color: white;
    border: 0.909px solid rgba(0, 0, 0, 0.1);
    border-radius: 14px;
    padding: 25px;
}

.date-title,
.stats-title {
    font-size: 16px;
    font-weight: bold;
    color: #101828;
    margin: 0 0 24px 0;
}

.event-card {
    border: 0.909px solid #e5e7eb;
    border-radius: 10px;
    padding: 17px;
}

.event-header {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 8px;
}

.event-title {
    font-size: 16px;
    font-weight: bold;
    color: #101828;
    margin: 0;
    line-height: 1.4;
    flex: 1;
}

.event-status {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
}

.event-status.recruiting {
    background-color: #f3f3f5;
    color: #6a7282;
}

.event-status.confirmed {
    background-color: #f0fdf4;
    color: #008236;
}

.event-status.ongoing {
    background-color: #ffe2e2;
    color: #c10007;
}

.event-status.ended {
    background-color: #f3f4f6;
    color: #364153;
}

.event-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #4a5565;
}

.detail-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.stats-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.stat-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.stat-label {
    font-size: 14px;
    color: #4a5565;
}

.stat-value {
    font-size: 16px;
    font-weight: bold;
    color: #101828;
}

/* Responsive */
@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: auto;
    }

    .content-area {
        padding: 20px 24px;
    }
    
    .sidebar {
        top: 73px;
        overflow-x: auto;
        width: 100%;
        padding: 16px 12px;
    }

    .course-grid {
        grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    }
    
    .sidebar-title {
        padding: 0 8px;
        font-size: 14px;
    }
    
    .sidebar-nav {
        flex-direction: row;
    }

    .sidebar-btn {
        height: 40px;
        font-size: 12px;
        padding: 0 8px;
        gap: 8px;
        white-space: nowrap;
    }

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

    .qna-stats-container {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .course-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .course-cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    }
}

@media (max-width: 768px) {
    

    

    .content-area {
        padding: 16px;
    }

    .page-title {
        font-size: 20px;
    }

    .page-subtitle {
        font-size: 14px;
    }

    .course-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 16px;
    }

    .course-actions {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 6px;
    }

    .course-action-btn {
        padding: 6px 8px;
        font-size: 11px;
    }
    
    .onboarding-banner {
        flex-direction: column;
        margin: 12px;
    }
    
    .onboarding-btn {
        width: 100%;
    }

    .qna-stats-container {
        grid-template-columns: 1fr;
        max-width: 100%;
    }

    .qna-questions-container {
        max-width: 100%;
    }

    .qna-question-title-row {
        flex-wrap: wrap;
        gap: 4px;
    }

    .qna-date {
        display: block;
        width: 100%;
        margin-top: 4px;
    }

    .course-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .course-filter-section {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .search-box {
        max-width: 100%;
    }

    .course-cards-grid {
        grid-template-columns: 1fr;
    }

    .course-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        font-size: 12px;
    }

    .onboarding-banner {
        padding: 12px;
    }

    .onboarding-title {
        font-size: 14px;
    }

    .onboarding-desc {
        font-size: 12px;
    }

    .onboarding-checklist {
        gap: 8px;
        font-size: 11px;
    }

    .schedule-container {
        grid-template-columns: repeat(auto-fill, minmax(336px, 1fr));
    }

    .calendar-date {
        min-height: 0px;
        min-width: 0px;
        font-size: 12px;
    }

    .calendar-legend {
        flex-wrap: wrap;
        gap: 8px;
        font-size: 12px;
    }

    .legend-item {
        gap: 4px;
    }

    .date-events-card,
    .stats-card {
        padding: 16px;
    }

}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-overlay.active {
    display: flex;
}

.modal-container {
    position: relative;
    display: flex;
    justify-content: center;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.modal-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 23.991px;
    border-bottom: 0.909px solid #e5e7eb;
    gap: 16px;
}

.modal-title {
    font-size: 20px;
    font-weight: 400;
    color: #101828;
    margin: 0;
}

.modal-close-btn {
    background: none;
    border: none;
    font-size: 24px;
    color: #6a7282;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s ease;
}

.modal-close-btn:hover {
    color: #101828;
}

.modal-body {
    padding: 24px;
}

.status-option-btn {
    border: 1.818px solid #e5e7eb;
    background-color: white;
    border-radius: 10px;
    padding: 15.99px;
    display: flex;
    gap: 11.989px;
    align-items: flex-start;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
}

.status-option-btn:hover {
    border-color: #ff7a00;
    background-color: #fafafa;
}

.status-icon-container {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.status-text-container {
    flex: 1;
}

.status-title {
    font-size: 16px;
    font-weight: 400;
    color: #101828;
    margin-bottom: 4px;
}

.status-subtitle {
    font-size: 14px;
    color: #6a7282;
}

.modal-footer {
    padding: 24.901px 23.991px;
    border-top: 0.909px solid #e5e7eb;
}

.modal-cancel-btn {
    width: 100%;
    background-color: white;
    border: 0.909px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 14px;
    color: #0a0a0a;
    font-weight: 400;
    cursor: pointer;
    height: 35.994px;
    transition: all 0.3s ease;
}

.modal-cancel-btn:hover {
    background-color: #f9fafb;
    border-color: #ff7a00;
}

@media (max-width: 480px) {

    .main-content {
        grid-template-columns: 1fr;
    }

    .sidebar.active {
        display: flex;
        flex-direction: column;
    }

    .content-area {
        padding: 12px;
        margin-top: 0;
    }

    .page-header {
        flex-direction: column;
        gap: 12px;
        margin-bottom: 16px;
    }

    .page-title {
        font-size: 18px;
    }

    .page-subtitle {
        font-size: 12px;
    }

    .btn-primary {
        width: 100%;
        padding: 12px 16px;
        justify-content: center;
    }

    .course-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .course-card {
        border-radius: 10px;
    }

    .course-thumbnail {
        height: 150px;
        font-size: 36px;
    }

    .course-content {
        padding: 16px;
        gap: 12px;
    }

    .course-title {
        font-size: 14px;
        min-height: 36px;
    }

    .filter-section {
        gap: 6px;
        overflow-x: auto;
        padding-bottom: 8px;
    }

    .filter-btn {
        padding: 8px 12px;
        font-size: 12px;
        flex-shrink: 0;
    }

    .course-actions {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 6px;
        margin-top: 12px;
    }

    .course-action-btn {
        padding: 6px 4px;
        font-size: 10px;
    }
}