/* Календарь мероприятий */
.calendar-section {
    margin-bottom: 60px;
}

.calendar-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 40px;
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.calendar-nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.calendar-nav h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    min-width: 120px;
    text-align: center;
}

.calendar-btn {
    background: var(--light-color);
    color: var(--primary-color);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition);
}

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

.view-toggle {
    display: flex;
    gap: 10px;
}

.view-btn {
    background: var(--light-color);
    color: var(--text-color);
    border: none;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.view-btn:hover,
.view-btn.active {
    background: var(--primary-color);
    color: white;
}

/* Список анонсов */
.announcements-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.announcement-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    transition: var(--transition);
}

.announcement-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.announcement-card.upcoming {
    border-left: 5px solid var(--success-color);
}

.announcement-card.past {
    border-left: 5px solid #999;
    opacity: 0.9;
}

.announcement-date {
    background: var(--primary-color);
    color: white;
    padding: 25px;
    text-align: center;
    min-width: 120px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.date-day {
    font-size: 2.5rem;
    font-weight: bold;
    line-height: 1;
}

.date-month {
    font-size: 1.2rem;
    text-transform: uppercase;
    margin: 5px 0;
}

.date-year {
    font-size: 1rem;
    opacity: 0.8;
}

.announcement-content {
    padding: 25px;
    flex-grow: 1;
}

.announcement-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.announcement-category {
    background: var(--light-color);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.announcement-status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.announcement-status.upcoming {
    background: #e8f5e9;
    color: #2e7d32;
}

.announcement-status.past {
    background: #f5f5f5;
    color: #666;
}

.announcement-content h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--dark-color);
    line-height: 1.4;
}

.announcement-time,
.announcement-location {
    margin-bottom: 10px;
    color: #666;
    display: flex;
    align-items: center;
    gap: 8px;
}

.announcement-content p {
    color: #666;
    margin: 15px 0;
    line-height: 1.6;
}

.announcement-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.speakers {
    font-size: 0.9rem;
    max-width: 60%;
}

.speaker-label {
    font-weight: 600;
    color: var(--primary-color);
}

.register-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    white-space: nowrap;
}

.register-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.materials-btn {
    background: var(--light-color);
    color: var(--primary-color);
    border: none;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

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

/* Подписка на анонсы */
.subscribe-section {
    margin: 60px 0;
}

.subscribe-card {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 40px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: 0 10px 30px rgba(26, 35, 126, 0.2);
}

.subscribe-card h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.subscribe-card p {
    opacity: 0.9;
    margin-bottom: 30px;
    font-size: 1.1rem;
}

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

.subscribe-form .form-group {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.subscribe-form .form-group input {
    flex-grow: 1;
    padding: 15px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    outline: none;
}

.subscribe-btn {
    background: white;
    color: var(--primary-color);
    border: none;
    padding: 15px 30px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    white-space: nowrap;
}

.subscribe-btn:hover {
    background: var(--light-color);
    transform: translateY(-2px);
}

.form-checkbox {
    text-align: left;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 15px;
}

.form-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 3px;
    flex-shrink: 0;
}

.form-checkbox label {
    font-size: 0.9rem;
    opacity: 0.9;
    line-height: 1.4;
}

/* Responsive для announcements.html */
@media (max-width: 992px) {
    .announcement-card {
        flex-direction: column;
    }
    
    .announcement-date {
        min-width: 100%;
        flex-direction: row;
        justify-content: center;
        gap: 20px;
        padding: 15px;
    }
    
    .date-day,
    .date-month,
    .date-year {
        font-size: 1.5rem;
    }
    
    .announcement-footer {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .speakers {
        max-width: 100%;
    }
    
    .register-btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .calendar-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .calendar-nav {
        justify-content: center;
    }
    
    .view-toggle {
        justify-content: center;
    }
    
    .subscribe-form .form-group {
        flex-direction: column;
    }
    
    .subscribe-btn {
        width: 100%;
        justify-content: center;
    }
    
    .announcement-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .announcement-status {
        align-self: flex-start;
    }
}

@media (max-width: 480px) {
    .announcement-date {
        flex-direction: column;
        gap: 5px;
    }
    
    .date-day {
        font-size: 2rem;
    }
    
    .date-month,
    .date-year {
        font-size: 1rem;
    }
    
    .subscribe-card {
        padding: 30px 20px;
    }
    
    .subscribe-card h3 {
        font-size: 1.5rem;
    }
}