/* ============================================
   DATA TABS SECTION STYLES
   File: /css/sections/placement/placement-data-tabs.css
   Purpose: Tab system for Guest Lectures, Industrial Visits, Sector Companies
   Last Updated: [CURRENT_DATE]
============================================ */

/* ===== DATA TABS CONTAINER ===== */
.data-tabs-container {
    background: var(--nsb-white);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--nsb-accent);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

/* ===== DATA TABS NAVIGATION ===== */
.data-tabs-nav {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--nsb-light);
}

.data-tabs-list {
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.data-tab-item {
    display: inline-block;
}

.data-tab-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.75rem;
    background: transparent;
    border: 2px solid var(--nsb-primary);
    border-radius: var(--border-radius-round);
    color: var(--nsb-primary);
    font-family: var(--font-primary);
    font-weight: var(--font-weight-medium);
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.data-tab-link:hover {
    background: rgba(20, 33, 61, 0.05);
    transform: translateY(-2px);
}

.data-tab-link.active {
    background: var(--nsb-accent);
    border-color: var(--nsb-accent);
    color: var(--nsb-white);
    font-weight: var(--font-weight-semi-bold);
    box-shadow: 0 4px 15px rgba(252, 163, 17, 0.3);
}

.data-tab-link i {
    font-size: 1.1rem;
    transition: transform var(--transition-normal);
}

.data-tab-link.active i {
    transform: scale(1.1);
}

/* ===== DATA TAB CONTENT ===== */
.data-tab-content {
    display: none;
    animation: fadeInUp 0.4s ease;
}

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

.data-tab-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.data-tab-title {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--nsb-primary);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.data-tab-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--nsb-accent);
    border-radius: 2px;
}

.data-tab-description {
    font-size: 1.125rem;
    color: var(--nsb-text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===== TABLES STYLES (For Guest Lectures & Industrial Visits) ===== */
.data-table-container {
    overflow-x: auto;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--nsb-light);
    margin: var(--spacing-lg) 0;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

.data-table thead {
    background: var(--nsb-primary);
    color: var(--nsb-white);
}

.data-table th {
    padding: 1rem 1.25rem;
    font-weight: var(--font-weight-semi-bold);
    text-align: left;
    font-size: 1rem;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.data-table th:last-child {
    border-right: none;
}

.data-table tbody tr {
    border-bottom: 1px solid var(--nsb-light);
    transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
    background: rgba(252, 163, 17, 0.05);
}

.data-table td {
    padding: 1rem 1.25rem;
    color: var(--nsb-text-secondary);
    font-size: 0.95rem;
}

.data-table td:first-child {
    font-weight: var(--font-weight-medium);
    color: var(--nsb-primary);
}

/* ===== SECTOR LIST STYLES ===== */
.sectors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.sector-card {
    background: var(--nsb-white);
    border: 2px solid var(--nsb-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.sector-card:hover {
    border-color: var(--nsb-accent);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.sector-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--nsb-light);
}

.sector-icon {
    width: 50px;
    height: 50px;
    background: var(--nsb-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--nsb-white);
    font-size: 1.5rem;
}

.sector-name {
    font-size: 1.375rem;
    font-weight: var(--font-weight-bold);
    color: var(--nsb-primary);
    margin: 0;
}

.sector-companies {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sector-company {
    padding: 0.5rem 0;
    color: var(--nsb-text-secondary);
    border-bottom: 1px dashed var(--nsb-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sector-company:last-child {
    border-bottom: none;
}

.sector-company i {
    color: var(--nsb-accent);
    font-size: 0.8rem;
}

/* ===== EMPTY STATE ===== */
.data-empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--nsb-light);
    border-radius: var(--border-radius-lg);
    border: 2px dashed var(--nsb-accent);
}

.empty-icon {
    font-size: 3rem;
    color: var(--nsb-accent);
    margin-bottom: var(--spacing-md);
}

.empty-message {
    font-size: 1.125rem;
    color: var(--nsb-text-secondary);
    margin-bottom: var(--spacing-sm);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .data-tabs-container {
        padding: var(--spacing-md);
        margin: var(--spacing-lg) 0;
    }
    
    .data-tab-link {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .data-tab-title {
        font-size: 1.75rem;
    }
    
    .sectors-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .data-tabs-list {
        flex-direction: column;
        align-items: center;
    }
    
    .data-tab-link {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .data-table th,
    .data-table td {
        padding: 0.75rem;
        font-size: 0.875rem;
    }
}

/* ===== ADD THESE STYLES TO placement-data-tabs.css ===== */

/* ===== GUEST LECTURES TABLE ENHANCEMENTS ===== */
.table-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) 0;
}

.table-count {
    font-size: 1rem;
    color: var(--nsb-text-secondary);
}

.table-count strong {
    color: var(--nsb-primary);
    font-weight: var(--font-weight-bold);
}

.table-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sort-btn {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    padding: 0.25rem;
    margin-left: 0.5rem;
    transition: color var(--transition-fast);
}

.sort-btn:hover {
    color: var(--nsb-white);
}

.sort-btn.active {
    color: var(--nsb-accent);
}

/* Date cell styling */
.date-cell {
    font-family: var(--font-secondary);
    font-weight: var(--font-weight-medium);
}

.date-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.date-day {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--nsb-primary);
    line-height: 1;
}

.date-month {
    font-size: 0.9rem;
    color: var(--nsb-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.date-year {
    font-size: 0.8rem;
    color: var(--nsb-text-light);
}

/* Topic cell styling */
.topic-cell {
    line-height: 1.5;
}

.topic-content strong {
    color: var(--nsb-text-primary);
    font-weight: var(--font-weight-semi-bold);
}

/* Speaker cell styling */
.speaker-cell {
    color: var(--nsb-text-secondary);
    line-height: 1.4;
}

/* Zebra striping */
.even-row {
    background-color: var(--nsb-white);
}

.odd-row {
    background-color: rgba(229, 229, 229, 0.3);
}

.even-row:hover,
.odd-row:hover {
    background-color: rgba(252, 163, 17, 0.08);
}

/* Mobile table notice */
.mobile-table-notice {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: var(--spacing-sm);
    background: rgba(252, 163, 17, 0.1);
    border: 1px solid var(--nsb-accent);
    border-radius: var(--border-radius-md);
    margin-top: var(--spacing-md);
    color: var(--nsb-primary);
    font-size: 0.9rem;
}

.mobile-table-notice i {
    color: var(--nsb-accent);
}

/* ===== RESPONSIVE ENHANCEMENTS ===== */
@media (max-width: 768px) {
    .mobile-table-notice {
        display: flex;
    }
    
    .date-content {
        align-items: flex-start;
    }
    
    .date-day,
    .date-month,
    .date-year {
        display: inline;
        font-size: 0.9rem;
        margin-right: 0.25rem;
    }
    
    .date-day {
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .table-actions {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 0.75rem 0.5rem;
        font-size: 0.85rem;
    }
    
    .sort-btn {
        margin-left: 0.25rem;
        padding: 0.125rem;
    }
}
/* ===== SECTOR COMPANIES HYBRID LAYOUT ===== */

/* Desktop: 3-column Grid Cards */
@media (min-width: 768px) {
    .sectors-grid-desktop {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-lg);
        margin: var(--spacing-lg) 0;
    }
    
    .sector-card-desktop {
        background: var(--nsb-white);
        border: 2px solid;
        border-radius: var(--border-radius-lg);
        padding: var(--spacing-lg);
        height: 450px; /* Fixed height */
        display: flex;
        flex-direction: column;
        transition: all var(--transition-normal);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        position: relative;
        overflow: hidden;
    }
    
    .sector-card-desktop:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    }
    
    .sector-card-desktop.expanded {
        height: auto;
        min-height: 300px;
    }
    
    .sector-header-desktop {
        display: flex;
        align-items: center;
        gap: 1rem;
        margin-bottom: var(--spacing-md);
        padding-bottom: var(--spacing-sm);
        border-bottom: 2px solid;
    }
    
    .sector-icon-desktop {
        width: 50px;
        height: 50px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--nsb-white);
        font-size: 1.5rem;
    }
    
    .sector-title-desktop {
        flex: 1;
    }
    
    .sector-name-desktop {
        font-size: 1.25rem;
        font-weight: var(--font-weight-bold);
        margin: 0 0 0.25rem 0;
        color: var(--nsb-primary);
    }
    
    .sector-count-desktop {
        font-size: 0.9rem;
        color: var(--nsb-text-secondary);
        font-weight: var(--font-weight-regular);
    }
    
    .companies-list-desktop {
        list-style: none;
        margin: 0;
        padding: 0;
        flex: 1;
        overflow-y: auto;
        max-height: 180px;
    }
    
    .companies-list-desktop.expanded {
        max-height: none;
    }
    
    .company-item-desktop {
        padding: 0.5rem 0;
        color: var(--nsb-text-secondary);
        border-bottom: 1px dashed var(--nsb-light);
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }
    
    .company-item-desktop:last-child {
        border-bottom: none;
    }
    
    .company-item-desktop i {
        font-size: 0.8rem;
        color: inherit;
    }
    
    .view-toggle-desktop {
        margin-top: var(--spacing-md);
        padding-top: var(--spacing-sm);
        border-top: 1px solid var(--nsb-light);
        text-align: center;
    }
    
    .view-toggle-btn {
        background: transparent;
        border: none;
        color: var(--nsb-accent);
        font-family: var(--font-primary);
        font-weight: var(--font-weight-semi-bold);
        cursor: pointer;
        padding: 0.5rem 1rem;
        border-radius: var(--border-radius-round);
        transition: all var(--transition-fast);
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
    }
    
    .view-toggle-btn:hover {
        background: rgba(252, 163, 17, 0.1);
    }
}

/* Mobile: Accordion */
@media (max-width: 767px) {
    .sectors-accordion-mobile {
        margin: var(--spacing-lg) 0;
    }
    
    .sector-accordion-item {
        background: var(--nsb-white);
        border: 2px solid var(--nsb-light);
        border-radius: var(--border-radius-md);
        margin-bottom: 1rem;
        overflow: hidden;
        transition: border-color var(--transition-normal);
    }
    
    .sector-accordion-item.expanded {
        border-color: var(--nsb-accent);
    }
    
    .sector-accordion-header {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        background: transparent;
        border: none;
        padding: 1.25rem 1.5rem;
        font-family: var(--font-primary);
        font-size: 1.125rem;
        font-weight: var(--font-weight-semi-bold);
        color: var(--nsb-primary);
        cursor: pointer;
        text-align: left;
        transition: background var(--transition-fast);
    }
    
    .sector-accordion-header:hover {
        background: rgba(252, 163, 17, 0.05);
    }
    
    .sector-accordion-header .header-left {
        display: flex;
        align-items: center;
        gap: 1rem;
        flex: 1;
    }
    
    .sector-icon-mobile {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--nsb-white);
        font-size: 1.25rem;
    }
    
    .sector-name-mobile {
        font-weight: var(--font-weight-bold);
    }
    
    .company-count-mobile {
        font-size: 0.9rem;
        font-weight: var(--font-weight-regular);
        color: var(--nsb-text-secondary);
        margin-left: 0.5rem;
    }
    
    .accordion-chevron {
        transition: transform var(--transition-normal);
        color: var(--nsb-accent);
        font-size: 1.1rem;
    }
    
    .sector-accordion-item.expanded .accordion-chevron {
        transform: rotate(180deg);
    }
    
    .sector-accordion-content {
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-normal) ease;
    }
    
    .sector-accordion-item.expanded .sector-accordion-content {
        max-height: 500px; /* Adjust based on content */
    }
    
    .companies-list-mobile {
        list-style: none;
        margin: 0;
        padding: 1rem 1.5rem;
        border-top: 1px solid var(--nsb-light);
    }
    
    .company-item-mobile {
        padding: 0.75rem 0;
        color: var(--nsb-text-secondary);
        border-bottom: 1px dashed var(--nsb-light);
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }
    
    .company-item-mobile:last-child {
        border-bottom: none;
    }
    
    .company-item-mobile i {
        color: var(--nsb-accent);
        font-size: 0.9rem;
    }
    
    .mobile-view-toggle {
        text-align: center;
        padding: 1rem;
        background: rgba(229, 229, 229, 0.3);
        border-top: 1px solid var(--nsb-light);
    }
    
    .mobile-view-toggle-btn {
        color: var(--nsb-accent);
        background: transparent;
        border: none;
        font-family: var(--font-primary);
        font-weight: var(--font-weight-semi-bold);
        cursor: pointer;
        padding: 0.5rem 1rem;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
    }
}

/* Color Utility Classes for Sector Borders */
.border-color-fmcg { border-color: #FF6B6B; }
.border-color-banking { border-color: #4ECDC4; }
.border-color-finance { border-color: #45B7D1; }
.border-color-insurance { border-color: #96CEB4; }
.border-color-consulting { border-color: #FFEAA7; }
.border-color-research { border-color: #DDA0DD; }
.border-color-it { border-color: #98D8C8; }
.border-color-edtech { border-color: #F7DC6F; }
.border-color-ecommerce { border-color: #BB8FCE; }
.border-color-hospitality { border-color: #F1948A; }
.border-color-healthcare { border-color: #85C1E9; }
.border-color-logistics { border-color: #82E0AA; }
.border-color-construction { border-color: #F8C471; }
.border-color-realestate { border-color: #D7BDE2; }
.border-color-retail { border-color: #F5B7B1; }
.border-color-engineering { border-color: #AED6F1; }
.border-color-hr { border-color: #ABEBC6; }
.border-color-media { border-color: #F9E79F; }
.border-color-tech-hardware { border-color: #D5DBDB; }

/* Background Color Classes for Icons */
.bg-color-fmcg { background-color: #FF6B6B; }
.bg-color-banking { background-color: #4ECDC4; }
.bg-color-finance { background-color: #45B7D1; }
.bg-color-insurance { background-color: #96CEB4; }
.bg-color-consulting { background-color: #FFEAA7; color: #333; }
.bg-color-research { background-color: #DDA0DD; }
.bg-color-it { background-color: #98D8C8; }
.bg-color-edtech { background-color: #F7DC6F; color: #333; }
.bg-color-ecommerce { background-color: #BB8FCE; }
.bg-color-hospitality { background-color: #F1948A; }
.bg-color-healthcare { background-color: #85C1E9; }
.bg-color-logistics { background-color: #82E0AA; }
.bg-color-construction { background-color: #F8C471; color: #333; }
.bg-color-realestate { background-color: #D7BDE2; }
.bg-color-retail { background-color: #F5B7B1; }
.bg-color-engineering { background-color: #AED6F1; }
.bg-color-hr { background-color: #ABEBC6; color: #333; }
.bg-color-media { background-color: #F9E79F; color: #333; }
.bg-color-tech-hardware { background-color: #D5DBDB; color: #333; }

/* ===== RESPONSIVE LAYOUT SWITCHING ===== */
@media (min-width: 768px) {
    .sectors-grid-desktop {
        display: grid !important;
    }
    
    .sectors-accordion-mobile,
    .mobile-table-notice {
        display: none !important;
    }
}

@media (max-width: 767px) {
    .sectors-accordion-mobile {
        display: block !important;
    }
    
    .sectors-grid-desktop,
    .mobile-table-notice {
        display: none !important;
    }
}
/* ===== END OF DATA TABS STYLES ===== */