/**
 * Theme Name:        Test
 * Theme URI:         https://example.com/fabled-sunset
 * Description:       Custom theme description...
 * Version:           1.0.0
 * Author:            Your Name
 * Author URI:        https://example.com
 * Tags:              block-patterns, full-site-editing
 * Text Domain:       test
 * Domain Path:       /assets/lang
 * Tested up to:      6.4
 * Requires at least: 6.2
 * Requires PHP:      7.4
 * License:           GNU General Public License v2.0 or later
 * License URI:       https://www.gnu.org/licenses/gpl-2.0.html
 */

/* Global Styles */
:root {
    --hokudai-green: #007f2d;
    --hokudai-green-dark: #006623;
    --hokudai-green-light: #e6f4ec;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-600: #6c757d;
    --gray-800: #343a40;
}

body {
    font-family: 'Roboto', 'Helvetica Neue', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--gray-800);
    line-height: 1.6;
}

img {
    width: 100%;
    height: auto;
}

.updated:not(.published) {
    display: none;
}

/* Navigation */
.navbar.hokudai-green {
    background-color: var(--hokudai-green) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar.hokudai-green .navbar-nav .nav-link,
.navbar.hokudai-green .navbar-brand,
.navbar.hokudai-green .navbar-toggler {
    color: #fff !important;
    font-weight: 500;
}

.navbar.hokudai-green .navbar-nav .nav-link:hover {
    color: rgba(255, 255, 255, 0.9) !important;
}

.navbar.hokudai-green .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 1%29' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--hokudai-green-dark) 0%, var(--hokudai-green) 100%);
    padding: 6rem 0;
    margin-bottom: 3rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><rect width="100" height="100" fill="rgba(255,255,255,0.05)"/></svg>');
    opacity: 0.1;
	pointer-events: none;
    z-index: 0;  
}

.hero-section-small {
    padding: 4rem 0;
    margin-bottom: 2rem;
}

.text-white-75 {
    color: rgba(255, 255, 255, 0.75);
}

/* Section Styles */
.section-title {
    color: var(--hokudai-green);
    font-weight: 600;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    height: 3px;
    width: 60px;
    background-color: var(--hokudai-green);
}

section {
    padding: 2rem 0;
}

/* Cards & Shadows */
.card {
    border-radius: 8px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.shadow-sm {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1) !important;
}

/* Welcome Section */
.welcome-section .card {
    border-top: 4px solid var(--hokudai-green);
}

/* Seminar Card */
.seminar-card .card-title a {
    color: var(--hokudai-green);
    text-decoration: none;
    transition: color 0.2s;
}

.seminar-card .card-title a:hover {
    color: var(--hokudai-green-dark);
    text-decoration: underline;
}

.seminar-card i {
    font-size: 1.25rem;
    color: var(--hokudai-green);
}

/* Research Cards */
.research-card .card {
    border-left: 4px solid var(--hokudai-green);
}

.research-card .card-title {
    color: var(--hokudai-green);
    font-weight: 600;
}

.paper-list {
    padding-left: 1.25rem;
}

.paper-list li {
    margin-bottom: 0.5rem;
}

.paper-list a {
    color: var(--gray-800);
    text-decoration: none;
    transition: color 0.2s;
}

.paper-list a:hover {
    color: var(--hokudai-green);
    text-decoration: underline;
}

/* FAQ Accordion */
.accordion-item {
    border-radius: 8px !important;
    overflow: hidden;
}

.accordion-button {
    padding: 1.25rem;
    font-weight: 500;
    color: var(--gray-800);
}

.accordion-button:not(.collapsed) {
    background-color: var(--hokudai-green);
    color: white;
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 127, 45, 0.25);
    border-color: var(--hokudai-green-light);
}

.accordion-button:not(.collapsed)::after {
    filter: brightness(0) invert(1);
}

.accordion-body {
    padding: 1.25rem;
    background-color: white;
}

/* Useful Links */
.useful-link {
    display: flex;
    align-items: center;
    color: var(--hokudai-green);
    font-weight: 500;
    text-decoration: none;
    padding: 0.5rem;
    border-radius: 4px;
    transition: background-color 0.2s, color 0.2s;
}

.useful-link:hover {
    background-color: var(--hokudai-green-light);
    color: var(--hokudai-green-dark);
    text-decoration: none;
}

.useful-link i {
    font-size: 1.25rem;
}

/* Members Page Styles */
.members-section .table {
    margin-bottom: 0;
}

.members-section .table th {
    font-weight: 600;
    color: var(--gray-800);
    border-top: none;
    border-bottom: 2px solid var(--gray-300);
}

.members-section .table td {
    vertical-align: middle;
    padding: 0.75rem 1rem;
}

.members-section .table tbody tr {
    transition: background-color 0.2s;
}

.members-section .table tbody tr:hover {
    background-color: var(--gray-100);
}

.member-link {
    color: var(--hokudai-green);
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s;
}

.member-link:hover {
    color: var(--hokudai-green-dark);
    text-decoration: underline;
}

.email-link {
    color: var(--gray-600);
    text-decoration: none;
    transition: color 0.2s;
    display: inline-flex;
    align-items: center;
}

.email-link:hover {
    color: var(--hokudai-green);
    text-decoration: none;
}

.position-badge {
    display: inline-block;
    padding: 0.35em 0.65em;
    font-size: 0.75em;
    font-weight: 500;
    line-height: 1;
    color: #fff;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 0.25rem;
    background-color: var(--hokudai-green);
}

.student-name {
    font-weight: 500;
    color: var(--gray-800);
}

/* Seminars Archive Page Styles */
.seminar-archive-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.archive-year {
    margin-bottom: 1rem;
    border-radius: 4px;
}

.year-toggle {
    display: block;
    font-weight: 600;
    cursor: pointer;
    padding: 0.5rem 0;
    color: var(--gray-800);
    transition: color 0.2s;
}

.year-toggle:hover {
    color: var(--hokudai-green);
}

.year-toggle i {
    transition: transform 0.2s;
    font-size: 0.75rem;
}

.archive-year.active .year-toggle i {
    transform: rotate(90deg);
}

.archive-months {
    list-style: none;
    padding-left: 1.5rem;
    margin-top: 0.5rem;
    display: none;
}

.archive-year.active .archive-months {
    display: block;
}

.archive-month {
    margin-bottom: 0.5rem;
}

.archive-month a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-decoration: none;
    color: var(--gray-600);
    padding: 0.35rem 0.5rem;
    border-radius: 4px;
    transition: all 0.2s;
}

.archive-month a:hover {
    background-color: var(--hokudai-green-light);
    color: var(--hokudai-green);
}

.bg-hokudai {
    background-color: var(--hokudai-green);
}

/* Seminar Detail Styling */
.seminar-detail {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.seminar-detail i {
    margin-top: 0.25rem;
    font-size: 1rem;
    width: 1.25rem;
    text-align: center;
}

/* Seminar Categories */
.category-seminar {
    background-color: var(--hokudai-green-light);
    border-left: 5px solid var(--hokudai-green);
}

.category-journal-club {
    background-color: #f0f8ff;
    border-left: 5px solid #1e88e5;
}

.category-presentation {
    background-color: #fff9e6;
    border-left: 5px solid #fbc02d;
}

.category-other {
    background-color: #f9f0f0;
    border-left: 5px solid #d32f2f;
}

/* Alert Styling */
.alert {
    border-radius: 8px;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    border: none;
}

.alert-info {
    background-color: #e6f7ff;
    color: #0c5460;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .hero-section {
        padding: 4rem 0;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .useful-link {
        margin-bottom: 0.5rem;
    }

    .members-section .table {
        font-size: 0.875rem;
    }
    
    .seminar-card .card-title {
        font-size: 1.25rem;
    }
}

/* Research Page Enhancements */
.research-block {
    position: relative;
}

.research-block:not(:last-child):after {
    content: '';
    position: absolute;
    bottom: -2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 50%;
    height: 1px;
    background: var(--gray-200);
}

.research-icon-card .card-body {
    background-color: var(--gray-100);
}

.research-icon-card i {
    opacity: 0.8;
    transition: transform 0.3s, opacity 0.3s;
}

.research-icon-card:hover i {
    transform: scale(1.1);
    opacity: 1;
}

.paper-item {
    padding: 0.5rem;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.paper-item:hover {
    background-color: var(--hokudai-green-light);
}

.paper-item a {
    text-decoration: none;
    color: var(--gray-800);
    width: 100%;
}

.paper-item a:hover {
    color: var(--hokudai-green-dark);
}

.bg-hokudai-light {
    background-color: var(--hokudai-green-light);
}

.text-hokudai-dark {
    color: var(--hokudai-green-dark);
}

.btn-hokudai {
    background-color: var(--hokudai-green);
    color: white;
    border: none;
    transition: background-color 0.2s;
}

.btn-hokudai:hover {
    background-color: var(--hokudai-green-dark);
    color: white;
}

/* Members Page Enhancements */
.members-nav {
    border-radius: 8px;
    background-color: var(--gray-100);
    padding: 0.5rem;
}

.members-nav .nav-link {
    color: var(--gray-700);
    border-radius: 4px;
    margin: 0 0.25rem;
    padding: 0.75rem 1rem;
    font-weight: 500;
    transition: all 0.2s;
}

.members-nav .nav-link:hover {
    background-color: var(--hokudai-green-light);
    color: var(--hokudai-green);
}

.members-nav .nav-link.active {
    background-color: var(--hokudai-green);
    color: white;
}

.faculty-card,
.student-card {
    transition: transform 0.3s, box-shadow 0.3s;
    overflow: hidden;
}

.faculty-card:hover,
.student-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.15) !important;
}

.faculty-card .card-header {
    border-radius: 8px 8px 0 0;
    padding: 0.75rem 1.25rem;
}

.position-title {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.faculty-avatar,
.student-avatar {
    width: 64px;
    height: 64px;
    overflow: hidden;
}

.faculty-avatar img,
.student-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    background-color: var(--gray-200);
    color: var(--gray-600);
    font-size: 1.75rem;
}

.faculty-name,
.student-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-800);
}

.faculty-name a {
    color: var(--gray-800);
    text-decoration: none;
    transition: color 0.2s;
}

.faculty-name a:hover {
    color: var(--hokudai-green);
}

.faculty-field,
.student-field {
    font-size: 0.875rem;
}

.faculty-bio {
    font-size: 0.95rem;
    color: var(--gray-700);
}

.year-badge {
    display: inline-block;
    padding: 0.15em 0.5em;
    font-size: 0.7em;
    font-weight: 500;
    line-height: 1;
    color: white;
    background-color: var(--hokudai-green);
    border-radius: 10px;
    vertical-align: middle;
    margin-left: 0.5rem;
}

.btn-outline-hokudai {
    color: var(--hokudai-green);
    border-color: var(--hokudai-green);
}

.btn-outline-hokudai:hover {
    color: white;
    background-color: var(--hokudai-green);
    border-color: var(--hokudai-green);
}

.publication-link {
    display: inline-flex;
    align-items: center;
    color: var(--gray-700);
    text-decoration: none;
    transition: color 0.2s;
}

.publication-link:hover {
    color: var(--hokudai-green);
}

.website-link {
    color: var(--gray-700);
    text-decoration: none;
    transition: color 0.2s;
}

.website-link:hover {
    color: var(--hokudai-green);
}

.bachelor-student-card {
    padding: 1rem;
    border-radius: 8px;
    background-color: var(--gray-100);
    height: 100%;
    transition: background-color 0.2s;
}

.bachelor-student-card:hover {
    background-color: var(--hokudai-green-light);
}

.nav-scroller {
    position: relative;
    z-index: 2;
    overflow-y: hidden;
}

.nav-scroller .nav {
    display: flex;
    flex-wrap: nowrap;
    padding-bottom: 1rem;
    margin-top: -1px;
    overflow-x: auto;
    text-align: center;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.nav-scroller .nav::-webkit-scrollbar {
    display: none;
}

@media (max-width: 768px) {
    .members-nav .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }
    
    .faculty-avatar,
    .student-avatar {
        width: 48px;
        height: 48px;
    }
    
    .faculty-name,
    .student-name {
        font-size: 1.125rem;
    }
}

/* Front Page Enhancements */
.hero-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

/* Welcome Section Icons */
.welcome-icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    background-color: var(--hokudai-green-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--hokudai-green);
    transition: transform 0.3s, background-color 0.3s;
}

.welcome-icon-wrapper:hover {
    transform: scale(1.1);
    background-color: var(--hokudai-green);
    color: white;
}

.welcome-icon {
    font-size: 2.5rem;
}

/* Research Icon */
.research-icon-wrapper {
    width: 50px;
    height: 50px;
    background-color: var(--hokudai-green-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--hokudai-green);
    flex-shrink: 0;
}

.research-icon-wrapper i {
    font-size: 1.5rem;
}

.research-card:hover .research-icon-wrapper {
    background-color: var(--hokudai-green);
    color: white;
}

/* CTA Section */
.cta-section {
    margin-bottom: 3rem;
    /* background-color: var(--hokudai-green-light); */

}

.bg-hokudai {
    background-color: var(--hokudai-green);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .welcome-icon {
        font-size: 2rem;
    }
    
    .welcome-icon-wrapper {
        width: 60px;
        height: 60px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

/* Info Page Styles */
.contact-icon-wrapper,
.transportation-icon-wrapper {
    width: 40px;
    height: 40px;
    background-color: var(--hokudai-green-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--hokudai-green);
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.contact-icon-wrapper i,
.transportation-icon-wrapper i {
    font-size: 1.2rem;
}

.contact-box:hover .contact-icon-wrapper,
.transportation-box:hover .transportation-icon-wrapper {
    background-color: var(--hokudai-green);
    color: white;
    transform: scale(1.1);
}

.map-box {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    max-width: 90%;
    margin: 0 auto;
}

.map-box:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
}

.map-box img {
    transition: all 1.2s ease;
    max-height: 1000px;
    object-fit: cover;
}

.map-box:hover img {
    transform: scale(1.03);
}

.transportation-box {
    transition: transform 0.3s, box-shadow 0.3s;
}

.transportation-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1) !important;
}

.transportation-box ul {
    padding-left: 1.2rem;
}

.building-info {
    transition: transform 0.3s, box-shadow 0.3s;
}

.building-info:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1) !important;
}

.info-card {
    transition: transform 0.3s;
}

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

.info-card .card-header {
    border-bottom: none;
}

/* New Info Page Styles */
.info-page-header {
    transition: all 0.3s ease;
    border-color: var(--hokudai-green) !important;
}

.info-page-header:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

/* Interactive Map Styles */
.interactive-map-container {
    transition: opacity 0.5s ease;
    max-height: 400px;
    object-fit: cover;
}

.map-switch-btn {
    transition: all 0.3s ease;
}

.map-switch-btn:hover {
    background-color: var(--hokudai-green-light);
    border-color: var(--hokudai-green);
    color: var(--hokudai-green);
}

/* FAQ Accordion Styles */
#faqAccordion .accordion-button {
    color: var(--hokudai-green-dark);
    background-color: #f8f9fa;
    box-shadow: none;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
}

#faqAccordion .accordion-button:not(.collapsed) {
    background-color: var(--hokudai-green-light);
    color: var(--hokudai-green-dark);
    border-left: 3px solid var(--hokudai-green);
}

#faqAccordion .accordion-button:hover {
    border-left: 3px solid var(--hokudai-green);
}

#faqAccordion .accordion-button:focus {
    box-shadow: none;
}

/* Contact Form Styles */
.contact-form-container {
    transition: all 0.3s ease;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.contact-form-container:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--hokudai-green-light);
    box-shadow: 0 0 0 0.25rem rgba(0, 123, 85, 0.25);
}

.form-check-input:checked {
    background-color: var(--hokudai-green);
    border-color: var(--hokudai-green);
}

/* Privacy Modal Styles */
#privacyModal .modal-header {
    background-color: var(--hokudai-green);
}

#privacyModal .btn-close-white:focus {
    box-shadow: 0 0 0 0.25rem rgba(255, 255, 255, 0.25);
}

@media (max-width: 768px) {
    .contact-icon-wrapper,
    .transportation-icon-wrapper {
        width: 32px;
        height: 32px;
    }
    
    .contact-icon-wrapper i,
    .transportation-icon-wrapper i {
        font-size: 1rem;
    }
    
    .info-page-header {
        padding: 1rem !important;
    }
    
    .info-page-header h1 {
        font-size: 1.8rem;
    }
    
    #faqAccordion .accordion-button {
        padding: 0.75rem 1rem;
    }
    
    .contact-form-container {
        padding: 1rem !important;
    }
    
    .map-box {
        max-width: 100%;
    }
    
    .map-box img,
    .interactive-map-container {
        max-height: 350px;
    }
}

/* Member Profile Page */
.member-profile-card {
    transition: all 0.3s ease;
}

.member-profile-card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
}

.member-photo-container {
    overflow: hidden;
}

.member-photo {
    width: 100%;
    transition: transform 0.5s ease;
}

.academic-icon-wrapper,
.publication-icon {
    width: 32px;
    height: 32px;
    background-color: var(--hokudai-green-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--hokudai-green);
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.academic-profiles-card a:hover {
    text-decoration: none;
    color: var(--hokudai-green);
}

.academic-profiles-card a:hover .academic-icon-wrapper {
    background-color: var(--hokudai-green);
    color: white;
    transform: scale(1.1);
}

.member-header {
    transition: all 0.3s ease;
}

.member-header:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1) !important;
}

.publication-item {
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.publication-item:hover {
    border-left: 3px solid var(--hokudai-green);
    background-color: var(--hokudai-green-light) !important;
}

.publication-link {
    text-decoration: none;
    color: var(--gray-800);
    display: block;
}

.publication-link:hover {
    color: var(--hokudai-green-dark);
    text-decoration: none;
}

.teaching-list li {
    margin-bottom: 0.5rem;
    padding-left: 0.5rem;
    border-left: 2px solid transparent;
    transition: all 0.3s ease;
}

.teaching-list li:hover {
    border-left: 2px solid var(--hokudai-green);
    padding-left: 0.75rem;
    color: var(--hokudai-green-dark);
}

.research-interests p {
    line-height: 1.7;
}

@media (max-width: 768px) {
    .member-header h1 {
        font-size: 1.8rem;
    }
    
    .member-header h4 {
        font-size: 1.2rem;
    }
    
    .academic-icon-wrapper {
        width: 28px;
        height: 28px;
    }
    
    .academic-icon-wrapper i {
        font-size: 0.875rem;
    }
    
    .member-bio h3,
    .member-publications h3,
    .member-research h3,
    .member-teaching h3 {
        font-size: 1.5rem;
    }
}

/* =========================
   CALENDAR STYLES
   ========================= */

/* Container */
.calendar-month {
    background: white;
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,0.05);
}

/* Header (month + arrows) */
.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.calendar-title {
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    flex: 1;
}

.calendar-arrow {
    font-size: 1.5rem;
    text-decoration: none;
    padding: 0 10px;
    color: var(--gray-600);
}

.calendar-arrow:hover {
    color: var(--hokudai-green);
}

/* Table layout */
.calendar-table {
    table-layout: fixed;
    width: 100%;
    border: none;
}

.calendar-table th,
.calendar-table td {
    width: calc(100% / 7);
}

/* Remove header borders */
.calendar-table th {
    border: none;
    background: transparent;
    text-align: center;
    font-weight: 500;
    color: var(--gray-600);
    padding-bottom: 0.5rem;
}

/* Remove all cell borders */
.calendar-table td {
    border: none;
}

/* Calendar day cells */
.calendar-day {
    vertical-align: top;
    height: 110px;
    padding: 10px;
    position: relative;
    overflow: hidden;
    user-select: none;
}

/* Subtle row separation */
.calendar-table tr {
    border-bottom: 1px solid var(--gray-200);
}

/* Day number */
.calendar-day strong {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
}

/* TODAY highlight (clean) */
.calendar-day.today strong {
    color: var(--hokudai-green);
    font-weight: 700;
}

/* Event days (very subtle) */
.calendar-day.has-event {
    background-color: rgba(0, 127, 45, 0.03);
}

/* Hover only for clickable days */
.calendar-day.has-event:hover {
    background-color: rgba(0, 127, 45, 0.06);
    cursor: pointer;
}

/* Event links */
.calendar-day a {
    display: block;
    font-size: 0.8rem;
    line-height: 1.2;
    max-height: 3.6em;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--hokudai-green);
    text-decoration: none;
}

.calendar-day a:hover {
    text-decoration: underline;
}

/* Event dot */
.event-dot {
    width: 5px;
    height: 5px;
    background-color: var(--hokudai-green);
    opacity: 0.7;
    border-radius: 50%;
    position: absolute;
    top: 6px;
    right: 6px;
}

/* Weekend styling (subtle) */
.calendar-day.saturday {
    background-color: #f7faff;
}

.calendar-day.sunday {
    background-color: #fff7f7;
}

/* Weekend header color */
.calendar-table th:nth-child(6) {
    color: #1e88e5;
}

.calendar-table th:nth-child(7) {
    color: #d32f2f;
}

/* Smooth month transition */
.calendar-month {
    display: none;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.calendar-day:not(.has-event):not(.today) {
    opacity: 0.6;
}

.calendar-day strong {
    color: var(--gray-600);
}

/*Homepage calendar*/
.calendar-section .calendar-day {
    height: 80px;
    font-size: 0.85rem;
}

.calendar-section a:hover {
    opacity: 0.95;
}

.calendar-section .calendar-day {
    height: 70px;
    font-size: 0.8rem;
    padding: 6px;
}

.calendar-section .calendar-title {
    font-size: 1.25rem;
}

.calendar-section .card-body {
    padding: 0.75rem;
}

.calendar-section .section-title,
.seminars-section .section-title {
    text-align: left;
}

.calendar-clickable {
    cursor: pointer;
}