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

:root {
    --primary-color: #2ecc71;
    --secondary-color: #27ae60;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    color: var(--dark-color);
    line-height: 1.6;
    background-color: #f5f7fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 헤더 */
.header {
    background-color: white;
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    width: 100%;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    min-height: 84px;
    padding: 12px 0;
}

.logo {
    margin: 0;
    flex-shrink: 0;
}

.logo a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 1.8rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.header-datetime {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-left: auto;
    margin-right: 8px;
}

.header-datetime .date-chip {
    display: inline-flex;
    align-items: center;
    max-width: 100%;
    padding: 0;
    border-radius: 0;
    background: transparent;
    border: none;
    box-shadow: none;
    color: #000;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: -0.2px;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    transition: none;
}

.header-datetime .date-chip:hover {
    transform: none;
    box-shadow: none;
}

.header-datetime .date-chip i {
    display: none;
}

.header-datetime .date-text {
    display: inline-block;
    color: #000;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 1rem;
    flex-shrink: 0;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.auth-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.user-info span {
    font-weight: 500;
    color: #2d3d34;
    white-space: nowrap;
}

/* 버튼 */
.btn {
    padding: 0.6rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
}

.btn-secondary {
    background-color: white;
    color: var(--dark-color);
    border: 2px solid var(--light-color);
}

.btn-secondary:hover {
    background-color: var(--light-color);
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: #c0392b;
}

/* 히어로 섹션 */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.feature i {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.feature span {
    font-size: 1.1rem;
    font-weight: 500;
}

/* 메인 메뉴 */
.main-menu {
    padding: 4rem 0;
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.menu-item {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.menu-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.menu-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.menu-item h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.menu-item p {
    color: #7f8c8d;
    font-size: 0.95rem;
}

/* 섹션 타이틀 */
.section-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--dark-color);
}

/* =========================
   플랫폼 소개 섹션
========================= */
.platform-intro {
    padding: 3rem 0 1.5rem;
}

.platform-intro-card {
    position: relative;
    overflow: hidden;
    background: linear-gradient(145deg, #f7fff9 0%, #ffffff 40%, #eefaf2 100%);
    border: 1px solid rgba(46, 204, 113, 0.16);
    border-radius: 24px;
    box-shadow: 0 18px 44px rgba(22, 101, 52, 0.10);
    padding: 2.25rem;
}

.platform-intro-card::before {
    content: "";
    position: absolute;
    top: -120px;
    right: -80px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(46, 204, 113, 0.16) 0%, rgba(46, 204, 113, 0) 70%);
    pointer-events: none;
}

.platform-intro-card::after {
    content: "";
    position: absolute;
    bottom: -110px;
    left: -70px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(39, 174, 96, 0.10) 0%, rgba(39, 174, 96, 0) 72%);
    pointer-events: none;
}

.platform-intro-top,
.platform-intro-highlights,
.platform-intro-grid,
.platform-intro-notice,
.platform-intro-footer {
    position: relative;
    z-index: 1;
}

.platform-intro-top {
    text-align: center;
}

.platform-intro-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0;
    border-radius: 0;
    background: transparent;
    color: #1f7a3d;
    font-size: 1.76rem;
    font-weight: 800;
    letter-spacing: -0.4px;
    margin-bottom: 1.2rem;
}

.platform-intro-top h2 {
    margin: 0;
    font-size: 1.9rem;
    line-height: 1.35;
    color: #183024;
    letter-spacing: -0.4px;
}

.platform-intro-summary {
    margin: 1rem auto 0;
    max-width: 920px;
    color: #496154;
    font-size: 1.25rem;
    line-height: 1.85;
    word-break: keep-all;
}

.platform-intro-highlights {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin: 1.75rem 0;
}

.intro-highlight {
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
    padding: 1.1rem 1rem;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(46, 125, 50, 0.10);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.intro-highlight-icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2ecc71, #27ae60);
    color: #ffffff;
    flex-shrink: 0;
    box-shadow: 0 8px 18px rgba(46, 204, 113, 0.25);
}

.intro-highlight strong {
    display: block;
    margin-bottom: 0.3rem;
    color: #1f2937;
    font-size: 1rem;
}

.intro-highlight p {
    margin: 0;
    color: #52606d;
    font-size: 0.94rem;
    line-height: 1.65;
    word-break: keep-all;
}

.platform-intro-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 1rem;
}

.platform-intro-panel {
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid #e4f2e8;
    border-radius: 20px;
    padding: 1.3rem 1.35rem;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
}

.platform-intro-panel.warning {
    background: linear-gradient(180deg, #fffaf2 0%, #fffef9 100%);
    border-color: #f3d8a8;
}

.platform-intro-panel h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
    color: #1f2937;
    font-size: 1.08rem;
}

.platform-intro-panel h3 i {
    color: #2e7d32;
}

.platform-intro-panel.warning h3 i {
    color: #e67e22;
}

.platform-intro-list {
    list-style: none;
    margin: 1rem 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.platform-intro-list li {
    position: relative;
    padding-left: 1.35rem;
    color: #374151;
    line-height: 1.75;
    word-break: keep-all;
}

.platform-intro-list li::before {
    content: "";
    position: absolute;
    top: 0.72rem;
    left: 0;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #2ecc71;
    box-shadow: 0 0 0 5px rgba(46, 204, 113, 0.12);
}

.platform-intro-panel.warning .platform-intro-list li::before {
    background: #f39c12;
    box-shadow: 0 0 0 5px rgba(243, 156, 18, 0.14);
}

.platform-intro-notice {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-top: 1.25rem;
    padding: 1.2rem 1.25rem;
    border-radius: 18px;
    background: linear-gradient(135deg, #4a5e70 0%, #5d8a72 100%);
    color: #ffffff;
    box-shadow: 0 12px 28px rgba(73, 94, 112, 0.16);
}

.platform-intro-notice-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    flex-shrink: 0;
}

.platform-intro-notice-content strong {
    display: inline-block;
    margin-bottom: 0.35rem;
    font-size: 1rem;
}

.platform-intro-notice-content p {
    margin: 0;
    color: rgba(255, 255, 255, 0.93);
    line-height: 1.75;
    word-break: keep-all;
}

.platform-intro-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1.2rem;
    padding-top: 1rem;
    border-top: 1px dashed rgba(39, 174, 96, 0.22);
}

.platform-intro-footer p {
    margin: 0;
    color: #4b5563;
    line-height: 1.7;
}

.platform-intro-thanks {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1rem;
    border-radius: 999px;
    background: transparent;
    color: #1f7a3d;
    font-weight: 700;
    box-shadow: none;
}

/* =========================
   최근 등록 원료 반응형
========================= */

/* 최근 등록 원료 */
.recent-materials {
    padding: 4rem 0;
    background-color: white;
}

.recent-materials-intro {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.recent-materials-intro .section-title {
    margin-bottom: 0;
}

.recent-scroll-hint {
    display: none;
    margin: 0;
    font-size: 0.9rem;
    color: #6b7280;
}

.recent-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.recent-table-wrap .spreadsheet-table {
    min-width: 980px;
}

.materials-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.material-card {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
}

.material-card:hover {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.material-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.material-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.info-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
}

.info-label {
    color: #7f8c8d;
    font-weight: 500;
}

.info-value {
    color: var(--dark-color);
    font-weight: 600;
}

.badge {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.badge-success {
    background-color: #d5f4e6;
    color: var(--secondary-color);
}

.badge-danger {
    background-color: #fadbd8;
    color: var(--danger-color);
}

.badge-warning {
    background-color: #ffeaa7;
    color: #d63031;
}

/* 푸터 */
.footer {
    background-color: var(--dark-color);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer p {
    margin: 0.5rem 0;
}

/* 폼 스타일 */
.form-container {
    max-width: 500px;
    margin: 3rem auto;
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.form-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--dark-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid var(--light-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: 'Noto Sans KR', sans-serif;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.form-actions .btn {
    flex: 1;
}

/* 테이블 */
.table-container {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th,
table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--light-color);
}

table th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
}

table tr:hover {
    background-color: #f8f9fa;
}

/* 검색 바 */
.search-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.search-bar input {
    flex: 1;
    padding: 0.8rem;
    border: 2px solid var(--light-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
}

.search-bar button {
    min-width: 100px;
}

/* 로딩 및 메시지 */
.loading,
.empty-message {
    text-align: center;
    padding: 3rem;
    color: #7f8c8d;
    font-size: 1.1rem;
}

.alert {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.alert-success {
    background-color: #d5f4e6;
    color: var(--secondary-color);
}

.alert-danger {
    background-color: #fadbd8;
    color: var(--danger-color);
}

/* 스프레드시트 스타일 */
.spreadsheet-container {
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 2rem;
}

.spreadsheet-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.spreadsheet-table th,
.spreadsheet-table td {
    border: 1px solid #ddd;
    padding: 0.4rem;
    font-size: 0.85rem;
}

.spreadsheet-table th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
    position: sticky;
    top: 0;
    font-size: 0.85rem;
    padding: 0.5rem 0.3rem;
}

.spreadsheet-table input,
.spreadsheet-table select {
    width: 100%;
    border: none;
    padding: 0.3rem;
    font-size: 0.8rem;
}

.spreadsheet-table input:focus,
.spreadsheet-table select:focus {
    outline: 2px solid var(--primary-color);
}

/* 반응형 디자인 */
@media (max-width: 1024px) {
    .header-content {
        gap: 14px;
        min-height: 76px;
    }

    .header-datetime {
        margin-right: 0;
    }

    .header-datetime .date-chip {
        font-size: 0.88rem;
    }

    .auth-buttons,
    .user-info {
        gap: 8px;
    }

    .auth-buttons .btn,
    .user-info .btn {
        padding-left: 12px;
        padding-right: 12px;
        font-size: 0.92rem;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .menu-grid {
        grid-template-columns: 1fr;
    }

    .materials-list {
        grid-template-columns: 1fr;
    }

    .header-content {
        display: grid;
        grid-template-columns: 1fr auto;
        grid-template-areas:
            "logo nav"
            "datetime datetime";
        align-items: center;
        gap: 12px;
        min-height: auto;
        padding: 14px 0;
    }

    .logo {
        grid-area: logo;
        min-width: 0;
    }

    .logo a {
        font-size: 1.2rem;
    }

    .header-datetime {
        grid-area: datetime;
        width: 100%;
        justify-content: center;
        margin: 0;
    }

    .header-datetime .date-chip {
        width: 100%;
        max-width: 100%;
        justify-content: center;
    }

    .header-datetime .date-text {
        white-space: normal;
        overflow: visible;
        text-overflow: unset;
        text-align: center;
        line-height: 1.45;
        word-break: keep-all;
    }

    .nav {
        grid-area: nav;
        justify-content: flex-end;
        min-width: 0;
    }

    .auth-buttons,
    .user-info {
        justify-content: flex-end;
        gap: 8px;
    }

    .auth-buttons .btn,
    .user-info .btn {
        font-size: 0.88rem;
        padding: 8px 12px;
    }

    .user-info span {
        width: 100%;
        text-align: right;
        font-size: 0.9rem;
    }

    .form-actions {
        flex-direction: column;
    }

    .search-bar {
        flex-direction: column;
    }

    .spreadsheet-table {
        font-size: 0.8rem;
    }

    .platform-intro {
        padding: 2.25rem 0 1rem;
    }

    .platform-intro-card {
        padding: 1.5rem;
        border-radius: 18px;
    }

    .platform-intro-top h2 {
        font-size: 1.5rem;
    }

    .platform-intro-badge {
        font-size: 1.6rem;
        padding: 0;
    }

    .platform-intro-summary {
        font-size: 1.15rem;
    }

    .platform-intro-highlights {
        grid-template-columns: 1fr;
    }

    .platform-intro-grid {
        grid-template-columns: 1fr;
    }

    .platform-intro-notice {
        flex-direction: column;
    }

    .platform-intro-footer {
        align-items: flex-start;
    }

    .recent-materials {
        padding-top: 2rem;
    }

    .recent-materials-intro {
        align-items: flex-start;
        margin-bottom: 0.85rem;
    }

    .recent-materials-intro .section-title {
        font-size: 1.35rem;
        line-height: 1.35;
    }

    .recent-scroll-hint {
        display: block;
        width: 100%;
    }

    .recent-table-wrap {
        border-radius: 14px;
    }

    .recent-table-wrap .spreadsheet-table {
        min-width: 860px;
    }

    .recent-materials .btn {
        width: 100%;
        max-width: 320px;
    }
}

@media (max-width: 480px) {
    .header-content {
        grid-template-columns: 1fr;
        grid-template-areas:
            "logo"
            "nav"
            "datetime";
        justify-items: stretch;
        gap: 10px;
    }

    .logo {
        text-align: center;
    }

    .logo a {
        justify-content: center;
        font-size: 1.15rem;
    }

    .nav {
        justify-content: center;
    }

    .auth-buttons,
    .user-info {
        width: 100%;
        justify-content: center;
    }

    .user-info span {
        text-align: center;
    }

    .header-datetime .date-text {
        font-size: 0.82rem;
    }

    .platform-intro {
        padding: 2rem 0 0.75rem;
    }

    .platform-intro-card {
        padding: 1.2rem;
        border-radius: 16px;
    }

    .platform-intro-badge {
        font-size: 1.4rem;
        padding: 0;
        margin-bottom: 0.9rem;
    }

    .platform-intro-top h2 {
        font-size: 1.22rem;
    }

    .platform-intro-summary {
        font-size: 1.08rem;
        margin-top: 0.75rem;
    }

    .intro-highlight {
        padding: 0.95rem 0.9rem;
        border-radius: 16px;
    }

    .intro-highlight-icon {
        width: 40px;
        height: 40px;
        border-radius: 12px;
    }

    .intro-highlight strong {
        font-size: 0.96rem;
    }

    .intro-highlight p,
    .platform-intro-list li,
    .platform-intro-notice-content p,
    .platform-intro-footer p {
        font-size: 0.89rem;
        line-height: 1.7;
    }

    .platform-intro-panel {
        padding: 1.05rem 1rem;
        border-radius: 16px;
    }

    .platform-intro-panel h3 {
        font-size: 1rem;
    }

    .platform-intro-notice {
        margin-top: 1rem;
        padding: 1rem;
        border-radius: 16px;
    }

    .platform-intro-notice-icon {
        width: 40px;
        height: 40px;
        border-radius: 12px;
    }

    .platform-intro-thanks {
        width: 100%;
    }

    .recent-materials-intro .section-title {
        font-size: 1.2rem;
    }

    .recent-scroll-hint {
        font-size: 0.82rem;
    }

    .recent-table-wrap {
        border-radius: 12px;
    }

    .recent-table-wrap .spreadsheet-table {
        min-width: 760px;
    }
}

/* 관리자 페이지 스타일 */
.stat-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
}

.stat-info h3 {
    font-size: 2rem;
    margin: 0;
    color: var(--dark-color);
}

.stat-info p {
    margin: 0.5rem 0 0 0;
    color: #7f8c8d;
    font-size: 0.9rem;
}

.tab-btn {
    padding: 1rem 2rem;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: #7f8c8d;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    color: var(--primary-color);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

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