/**
 * Alumni Module - Main Stylesheet
 * Bootstrap 5 Compatible, Mobile-First, CSS Custom Properties
 */

/* ===========================
   CSS Custom Properties
   =========================== */

:root {
    --alumni-primary: #0d6efd;
    --alumni-secondary: #6c757d;
    --alumni-success: #28a745;
    --alumni-danger: #dc3545;
    --alumni-warning: #ffc107;
    --alumni-info: #17a2b8;
    --alumni-light: #f8f9fa;
    --alumni-dark: #333;
    --alumni-border: #e0e0e0;
    --alumni-shadow: rgba(0, 0, 0, 0.1);
    --alumni-transition: all 0.3s ease;
}

/* ===========================
   General Styles
   =========================== */

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

.alumni-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--alumni-dark);
    margin-bottom: 0.5rem;
}

/* ===========================
   Profile Cards
   =========================== */

.profile-card {
    transition: var(--alumni-transition);
    border: 1px solid var(--alumni-border);
    border-radius: 8px;
    overflow: hidden;
}

.profile-card:hover {
    box-shadow: 0 4px 12px var(--alumni-shadow);
    transform: translateY(-2px);
}

.profile-verified {
    border-left: 4px solid var(--alumni-success);
}

.profile-featured {
    border-left: 4px solid var(--alumni-warning);
    background-color: #fffbf0;
}

.profile-photo {
    width: 100%;
    max-width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 8px;
    border: 2px solid var(--alumni-border);
}

.profile-photo-small {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid var(--alumni-border);
}

.profile-name {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.profile-name a {
    color: var(--alumni-dark);
    text-decoration: none;
    transition: color 0.2s ease;
}

.profile-name a:hover {
    color: var(--alumni-primary);
}

.profile-degree {
    font-size: 1rem;
    color: var(--alumni-secondary);
    font-weight: 500;
}

.profile-meta {
    font-size: 0.9rem;
    color: var(--alumni-secondary);
}

.profile-meta a {
    color: var(--alumni-secondary);
    text-decoration: none;
}

.profile-meta a:hover {
    color: var(--alumni-primary);
    text-decoration: underline;
}

.profile-bio {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
}

.profile-skills .badge {
    font-size: 0.85rem;
    font-weight: normal;
    padding: 0.35em 0.65em;
    margin: 0.25rem;
}

.profile-stats {
    border-top: 1px solid var(--alumni-border);
    padding-top: 1rem;
    margin-top: 1rem;
}

.profile-stat-item {
    text-align: center;
}

.profile-stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--alumni-primary);
}

.profile-stat-label {
    font-size: 0.85rem;
    color: var(--alumni-secondary);
}

/* Connection Status Badges */
.connection-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
}

.connection-connected {
    background-color: var(--alumni-success);
    color: white;
}

.connection-pending {
    background-color: var(--alumni-warning);
    color: #000;
}

.connection-available {
    background-color: var(--alumni-info);
    color: white;
}

/* ===========================
   Event Cards
   =========================== */

.event-card {
    transition: var(--alumni-transition);
    border: 1px solid var(--alumni-border);
    border-radius: 8px;
    overflow: hidden;
}

.event-card:hover {
    box-shadow: 0 4px 12px var(--alumni-shadow);
    transform: translateY(-2px);
}

.event-featured {
    border-top: 4px solid var(--alumni-warning);
}

.event-banner {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.event-date-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: white;
    border-radius: 8px;
    padding: 10px;
    text-align: center;
    box-shadow: 0 2px 8px var(--alumni-shadow);
    min-width: 70px;
}

.event-date-day {
    font-size: 2rem;
    font-weight: 700;
    color: var(--alumni-primary);
    line-height: 1;
}

.event-date-month {
    font-size: 0.85rem;
    color: var(--alumni-secondary);
    text-transform: uppercase;
}

.event-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.event-title a {
    color: var(--alumni-dark);
    text-decoration: none;
    transition: color 0.2s ease;
}

.event-title a:hover {
    color: var(--alumni-primary);
}

.event-meta {
    font-size: 0.9rem;
    color: var(--alumni-secondary);
}

.event-meta i {
    margin-right: 5px;
}

.event-description {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
}

.event-rsvp-info {
    background-color: var(--alumni-light);
    border-radius: 6px;
    padding: 1rem;
}

.event-rsvp-count {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--alumni-success);
}

.event-capacity {
    font-size: 0.9rem;
    color: var(--alumni-secondary);
}

.event-status {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-upcoming {
    background-color: var(--alumni-success);
    color: white;
}

.status-ongoing {
    background-color: var(--alumni-info);
    color: white;
}

.status-past {
    background-color: var(--alumni-secondary);
    color: white;
}

.status-cancelled {
    background-color: var(--alumni-danger);
    color: white;
}

/* ===========================
   Directory Views
   =========================== */

.view-toggle {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.view-toggle-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--alumni-border);
    background-color: white;
    color: var(--alumni-secondary);
    cursor: pointer;
    transition: var(--alumni-transition);
    border-radius: 4px;
}

.view-toggle-btn:hover {
    background-color: var(--alumni-light);
}

.view-toggle-btn.active {
    background-color: var(--alumni-primary);
    color: white;
    border-color: var(--alumni-primary);
}

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

.directory-list .profile-card {
    margin-bottom: 1rem;
}

/* ===========================
   Filters
   =========================== */

.alumni-filters {
    background-color: var(--alumni-light);
    border: 1px solid var(--alumni-border);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.alumni-filters .form-label {
    font-weight: 600;
    font-size: 0.9rem;
    color: #495057;
}

.alumni-filters .form-select,
.alumni-filters .form-control {
    border-color: #ced4da;
}

.alumni-filters .form-select:focus,
.alumni-filters .form-control:focus {
    border-color: var(--alumni-primary);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* ===========================
   Profile Detail Page
   =========================== */

.profile-detail-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px 30px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.profile-detail-photo {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 50%;
    border: 5px solid white;
    box-shadow: 0 4px 8px var(--alumni-shadow);
}

.profile-detail-name {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.profile-detail-degree {
    font-size: 1.25rem;
    opacity: 0.9;
}

.profile-detail-section {
    margin-bottom: 30px;
}

.profile-detail-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--alumni-dark);
    border-bottom: 2px solid var(--alumni-primary);
    padding-bottom: 0.5rem;
}

.experience-item,
.education-item {
    padding: 1rem 0;
    border-bottom: 1px solid var(--alumni-border);
}

.experience-item:last-child,
.education-item:last-child {
    border-bottom: none;
}

.experience-title,
.education-degree {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--alumni-dark);
}

.experience-company,
.education-institution {
    color: var(--alumni-secondary);
    font-weight: 500;
}

.experience-dates,
.education-dates {
    font-size: 0.9rem;
    color: var(--alumni-secondary);
}

/* ===========================
   Dashboard
   =========================== */

.dashboard-nav {
    background: var(--alumni-light);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 30px;
}

.dashboard-nav .nav-link {
    color: #495057;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.dashboard-nav .nav-link:hover {
    background-color: #e9ecef;
    color: var(--alumni-primary);
}

.dashboard-nav .nav-link.active {
    background-color: var(--alumni-primary);
    color: white;
}

.dashboard-widget {
    background: white;
    border: 1px solid var(--alumni-border);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.dashboard-widget h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--alumni-dark);
}

.dashboard-stat {
    text-align: center;
    padding: 1rem;
}

.dashboard-stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--alumni-primary);
}

.dashboard-stat-label {
    font-size: 0.9rem;
    color: var(--alumni-secondary);
}

/* ===========================
   Mentorship Cards
   =========================== */

.mentorship-card {
    border: 1px solid var(--alumni-border);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: var(--alumni-transition);
}

.mentorship-card:hover {
    box-shadow: 0 4px 12px var(--alumni-shadow);
}

.mentorship-available {
    background-color: #f0f9ff;
    border-left: 4px solid var(--alumni-success);
}

.mentorship-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.mentorship-expertise {
    color: var(--alumni-secondary);
    font-size: 0.9rem;
}

.mentorship-badge {
    display: inline-block;
    padding: 0.35rem 0.65rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
}

.mentor-available {
    background-color: var(--alumni-success);
    color: white;
}

.mentee-seeking {
    background-color: var(--alumni-info);
    color: white;
}

/* ===========================
   Search Page
   =========================== */

.search-form {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 50px 30px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.search-form h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

.search-form .form-control,
.search-form .form-select {
    height: 50px;
    border: none;
    box-shadow: 0 2px 4px var(--alumni-shadow);
}

.search-form .btn-search {
    height: 50px;
    font-size: 1.1rem;
    font-weight: 600;
}

/* ===========================
   Connection Request Form
   =========================== */

.connection-form {
    max-width: 600px;
    margin: 0 auto;
}

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

.connection-form .form-label {
    font-weight: 600;
    color: var(--alumni-dark);
    margin-bottom: 0.5rem;
}

.connection-form textarea {
    min-height: 120px;
}

/* ===========================
   Skills & Tags
   =========================== */

.skill-tag-input {
    border: 2px dashed var(--alumni-border);
    border-radius: 4px;
    padding: 15px;
    min-height: 80px;
}

.skill-tag {
    display: inline-block;
    padding: 0.5rem 0.75rem;
    background-color: var(--alumni-light);
    border: 1px solid var(--alumni-border);
    border-radius: 20px;
    margin: 0.25rem;
    font-size: 0.9rem;
}

.skill-tag-remove {
    margin-left: 0.5rem;
    color: var(--alumni-danger);
    cursor: pointer;
    font-weight: bold;
}

.skill-tag-remove:hover {
    color: #b02a37;
}

/* ===========================
   RSVP Status
   =========================== */

.rsvp-status {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
}

.rsvp-going {
    background-color: var(--alumni-success);
    color: white;
}

.rsvp-maybe {
    background-color: var(--alumni-warning);
    color: #000;
}

.rsvp-declined {
    background-color: var(--alumni-secondary);
    color: white;
}

/* ===========================
   Blocks
   =========================== */

.alumni-block {
    padding: 15px;
}

.alumni-block .profile-item,
.alumni-block .event-item {
    padding: 10px 0;
    border-bottom: 1px solid var(--alumni-border);
}

.alumni-block .profile-item:last-child,
.alumni-block .event-item:last-child {
    border-bottom: none;
}

.alumni-block .item-title {
    font-weight: 600;
    margin-bottom: 5px;
}

.alumni-block .item-title a {
    color: var(--alumni-dark);
    text-decoration: none;
}

.alumni-block .item-title a:hover {
    color: var(--alumni-primary);
}

.alumni-block .item-meta {
    font-size: 0.85rem;
    color: var(--alumni-secondary);
}

/* ===========================
   Responsive Design
   =========================== */

@media (max-width: 768px) {
    .alumni-title {
        font-size: 1.5rem;
    }

    .profile-card .row > div {
        text-align: center !important;
    }

    .profile-photo {
        margin: 0 auto 1rem;
    }

    .profile-detail-name {
        font-size: 1.75rem;
    }

    .profile-detail-photo {
        width: 120px;
        height: 120px;
        margin: 0 auto 1rem;
    }

    .search-form h1 {
        font-size: 1.75rem;
    }

    .event-banner {
        height: 150px;
    }

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

    .dashboard-nav .nav-link {
        padding: 8px 12px;
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .alumni-container {
        padding: 10px;
    }

    .alumni-filters .col-md-2,
    .alumni-filters .col-md-3,
    .alumni-filters .col-md-4 {
        margin-bottom: 10px;
    }

    .profile-name {
        font-size: 1.25rem;
    }

    .profile-meta {
        font-size: 0.85rem;
    }

    .profile-meta span {
        display: block;
        margin-bottom: 5px;
    }

    .event-title {
        font-size: 1.25rem;
    }

    .view-toggle {
        flex-direction: column;
    }

    .view-toggle-btn {
        width: 100%;
    }
}

/* ===========================
   Utilities
   =========================== */

.text-truncate-2 {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.text-truncate-3 {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.badge-verified {
    background-color: var(--alumni-success);
    color: white;
}

.badge-featured {
    background-color: var(--alumni-warning);
    color: #000;
}

.loading-spinner {
    text-align: center;
    padding: 40px;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state i {
    font-size: 4rem;
    color: var(--alumni-secondary);
    margin-bottom: 20px;
}

.empty-state h3 {
    color: #495057;
    margin-bottom: 10px;
}

.empty-state p {
    color: var(--alumni-secondary);
}

/* Image Upload Preview */
.image-preview {
    max-width: 200px;
    max-height: 200px;
    margin-top: 10px;
    border: 2px solid var(--alumni-border);
    border-radius: 8px;
    display: none;
}

.image-preview.show {
    display: block;
}

/* Print Styles */
@media print {
    .alumni-filters,
    .view-toggle,
    .btn,
    .dashboard-nav {
        display: none !important;
    }

    .profile-card,
    .event-card {
        break-inside: avoid;
        page-break-inside: avoid;
    }

    .profile-detail-header {
        background: white !important;
        color: black !important;
        border: 1px solid var(--alumni-border);
    }
}