/* ======================================================
   MainDescription.css
   Hero-секция с описанием проекта КПН (со сворачиванием)
   Стили соответствуют search_by_number_or_nickname.css
   ====================================================== */

.main-description-section {
    max-width: 800px;
    margin: 30px auto;
    padding: 0;
    background: rgba(22, 27, 34, 0.9);
    border: 1px solid rgba(19, 135, 58, 0.2);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    transition: all 0.3s ease;
}

/* Заголовок секции (кликабельный) */
.description-header-clickable {
    padding: 25px 25px 20px 25px;
    cursor: pointer;
    user-select: none;
    transition: all 0.3s ease;
    border-bottom: 2px solid rgba(19, 135, 58, 0.3);
}

.description-header-clickable:hover {
    background: rgba(19, 135, 58, 0.05);
}

.description-header-clickable h2 {
    color: #13873a;
    margin: 0 0 10px 0;
    font-size: 1.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.description-header-clickable h2 i:first-child {
    color: #13873a;
}

.description-header-clickable h2 i:last-child {
    color: #13873a;
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.description-header-clickable p {
    color: #adb5bd;
    margin: 0;
    font-size: 1rem;
    text-align: center;
}

/* Стрелка сворачивания */
.collapse-arrow {
    display: inline-block;
    transition: transform 0.3s ease;
}

.collapse-arrow.rotated {
    transform: rotate(180deg);
}

/* Сворачиваемый контент */
.description-collapsible {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
    padding: 0 25px;
}

.description-collapsible.open {
    max-height: 2000px;
    transition: max-height 0.6s ease-in;
    padding: 15px 25px 25px 25px;
}

/* Основной контент */
.description-content {
    padding: 0;
}

/* Приветственный блок */
.description-welcome {
    background: rgba(28, 33, 41, 0.7);
    border-left: 4px solid #13873a;
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.description-welcome p {
    margin: 0;
    color: #e2e8f0;
    font-size: 1rem;
    line-height: 1.5;
}

/* Карточка казны */
.description-treasury {
    background: rgba(28, 33, 41, 0.7);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid rgba(19, 135, 58, 0.2);
    transition: all 0.3s;
}

.description-treasury:hover {
    border-color: #13873a;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(19, 135, 58, 0.2);
}

.treasury-title {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #13873a;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.treasury-title i {
    font-size: 1.2rem;
}

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

.treasury-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    color: #cbd5e1;
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.treasury-list li:last-child {
    border-bottom: none;
}

.treasury-list li i {
    color: #13873a;
    font-size: 1rem;
    margin-top: 2px;
    min-width: 20px;
}

.treasury-list li strong {
    color: #4ade80;
}

/* P.S. блок */
.description-ps {
    background: rgba(28, 33, 41, 0.5);
    border-radius: 10px;
    padding: 12px 18px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid rgba(19, 135, 58, 0.15);
}

.description-ps i {
    color: #13873a;
    font-size: 1.1rem;
}

.description-ps p {
    margin: 0;
    color: #adb5bd;
    font-size: 0.9rem;
}

.description-ps p strong {
    color: #13873a;
}

/* Пример ников */
.description-nick-example {
    background: rgba(28, 33, 41, 0.7);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid rgba(19, 135, 58, 0.2);
    transition: all 0.3s;
}

.description-nick-example:hover {
    border-color: #13873a;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(19, 135, 58, 0.2);
}

.example-title {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #4ade80;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.example-title i {
    font-size: 1rem;
}

.example-nick {
    font-family: monospace;
    background: rgba(19, 135, 58, 0.15);
    padding: 12px 15px;
    border-radius: 8px;
    color: #f5c542;
    font-size: 1rem;
    text-align: center;
    letter-spacing: 1px;
    border: 1px solid rgba(19, 135, 58, 0.3);
}

/* Статус разработки и версия */
.description-status {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    padding-top: 15px;
    margin-top: 5px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.status-warning {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(28, 33, 41, 0.5);
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-warning i {
    color: #f59e0b;
    font-size: 0.9rem;
}

.status-warning span {
    color: #fcd34d;
    font-size: 0.85rem;
}

.version-info {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(28, 33, 41, 0.5);
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid rgba(19, 135, 58, 0.3);
}

.version-info i {
    color: #13873a;
    font-size: 0.9rem;
}

.version-info span {
    color: #4ade80;
    font-size: 0.85rem;
    font-family: monospace;
    font-weight: 600;
}

/* Кнопка "Свернуть/Развернуть" (альтернативный вариант) */
.toggle-description-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px;
    background: rgba(28, 33, 41, 0.5);
    border: none;
    border-top: 1px solid rgba(19, 135, 58, 0.2);
    color: #13873a;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s;
}

.toggle-description-btn:hover {
    background: rgba(19, 135, 58, 0.1);
    color: #4ade80;
}

.toggle-description-btn i {
    transition: transform 0.3s;
}

/* Адаптивность */
@media (max-width: 768px) {
    .main-description-section {
        margin: 15px;
    }
    
    .description-header-clickable {
        padding: 20px 20px 15px 20px;
    }
    
    .description-header-clickable h2 {
        font-size: 1.5rem;
    }
    
    .description-collapsible.open {
        padding: 0 20px 20px 20px;
    }
    
    .description-welcome p {
        font-size: 0.95rem;
    }
    
    .treasury-list li {
        font-size: 0.85rem;
    }
    
    .description-status {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .main-description-section {
        margin: 10px;
    }
    
    .description-header-clickable {
        padding: 15px 15px 12px 15px;
    }
    
    .description-header-clickable h2 {
        font-size: 1.3rem;
        flex-direction: column;
        gap: 8px;
    }
    
    .description-collapsible.open {
        padding: 0 15px 15px 15px;
    }
    
    .treasury-title {
        font-size: 1rem;
    }
    
    .example-nick {
        font-size: 0.85rem;
        word-break: break-all;
    }
    
    .description-ps {
        flex-direction: column;
        text-align: center;
    }
}