/**
 * === CHARITY.CSS ===
 * /assets/css/charity.css
 * НАЗНАЧЕНИЕ: Стили для страницы благотворительных проектов
 * СВЯЗИ: style.css, charity.js
 * РАЗМЕР: ~450 строк
 */

/* ============================================
   1. СТРАНИЦА БЛАГОТВОРИТЕЛЬНОСТИ
   ============================================ */

.charity-page {
    padding: 1rem;
    max-width: 1400px;
    margin: 0 auto;
}

.charity-header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 2rem 1rem;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(74, 144, 217, 0.1) 100%);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.charity-header::before {
    content: '🙏';
    position: absolute;
    font-size: 120px;
    opacity: 0.05;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.charity-header h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-gold);
    margin-bottom: 0.5rem;
}

.charity-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   2. СТАТИСТИКА
   ============================================ */

.charity-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

@media (max-width: 900px) {
    .charity-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 500px) {
    .charity-stats {
        grid-template-columns: 1fr;
    }
}

.stat-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-card__icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.stat-card__value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: 0.25rem;
}

.stat-card__label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ============================================
   3. ФИЛЬТР КАТЕГОРИЙ
   ============================================ */

.charity-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.category-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: transparent;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-btn:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
}

.category-btn.active {
    background: var(--color-gold);
    border-color: var(--color-gold);
    color: var(--text-dark);
}

.category-btn__icon {
    font-size: 1.1rem;
}

/* ============================================
   4. СЕТКА ПРОЕКТОВ
   ============================================ */

.charity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

@media (max-width: 400px) {
    .charity-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   5. КАРТОЧКА ПРОЕКТА
   ============================================ */

.project-card {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--project-color, var(--color-gold));
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    border-color: var(--project-color, var(--color-gold));
}

.project-card__header {
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.project-card__icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.2), rgba(255, 215, 0, 0.1));
    flex-shrink: 0;
}

.project-card__info {
    flex: 1;
    min-width: 0;
}

.project-card__title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.project-card__title-tibetan {
    font-size: 0.85rem;
    color: var(--color-gold);
    opacity: 0.7;
    margin-bottom: 0.5rem;
}

.project-card__category {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.project-card__body {
    padding: 0 1.5rem 1.5rem;
}

.project-card__description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

/* Прогресс сбора */
.project-card__progress {
    margin-bottom: 1rem;
}

.progress-bar {
    height: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-bar__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-gold), var(--color-blue));
    border-radius: 5px;
    transition: width 0.8s ease;
    position: relative;
}

.progress-bar__fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

.progress-info__raised {
    color: var(--color-gold);
    font-weight: 600;
}

.progress-info__goal {
    color: var(--text-secondary);
}

.progress-info__percent {
    color: var(--color-success);
    font-weight: 600;
}

/* Статус проекта */
.project-card__status {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.project-card__status--active {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
}

.project-card__status--completed {
    background: rgba(139, 92, 246, 0.15);
    color: #8B5CF6;
}

.project-card__donors {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.project-card__footer {
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ============================================
   6. МОДАЛКА ПРОЕКТА
   ============================================ */

.project-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    padding: 1rem;
    overflow-y: auto;
}

.project-modal.active {
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.project-modal__backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
}

.project-modal__content {
    position: relative;
    background: var(--bg-card);
    border-radius: 24px;
    max-width: 700px;
    width: 100%;
    margin: 2rem auto;
    overflow: hidden;
    border: 1px solid var(--border-color);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.project-modal__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
}

.project-modal__close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.project-modal__header {
    padding: 2rem;
    text-align: center;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(74, 144, 217, 0.05) 100%);
    border-bottom: 1px solid var(--border-color);
}

.project-modal__icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.project-modal__title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.project-modal__title-tibetan {
    font-size: 1rem;
    color: var(--color-gold);
    opacity: 0.7;
    margin-bottom: 0.5rem;
}

.project-modal__category {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.project-modal__body {
    padding: 2rem;
}

.project-modal__description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.project-modal__section {
    margin-bottom: 2rem;
}

.project-modal__section-title {
    font-size: 1.1rem;
    color: var(--color-gold);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Прогресс в модалке */
.project-modal__progress {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.modal-progress-bar {
    height: 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.modal-progress-bar__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-gold), var(--color-blue));
    border-radius: 8px;
    position: relative;
}

.modal-progress-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    text-align: center;
}

.modal-progress-stat {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
}

.modal-progress-stat__value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-gold);
}

.modal-progress-stat__label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Влияние проекта */
.impact-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.impact-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.impact-list li::before {
    content: '✓';
    color: var(--color-success);
    font-weight: bold;
}

/* Обновления */
.updates-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.update-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border-left: 3px solid var(--color-gold);
}

.update-item__date {
    font-size: 0.85rem;
    color: var(--color-gold);
    white-space: nowrap;
}

.update-item__text {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Кнопка помощи */
.project-modal__cta {
    display: flex;
    justify-content: center;
    padding-top: 1rem;
}

.btn-donate {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--color-gold), #FFA500);
    color: var(--text-dark);
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
}

.btn-donate:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 215, 0, 0.4);
}

/* ============================================
   7. АНИМАЦИИ
   ============================================ */

.charity-page .project-card {
    animation: fadeInUp 0.5s ease forwards;
    opacity: 0;
}

.charity-page .project-card:nth-child(1) { animation-delay: 0.1s; }
.charity-page .project-card:nth-child(2) { animation-delay: 0.15s; }
.charity-page .project-card:nth-child(3) { animation-delay: 0.2s; }
.charity-page .project-card:nth-child(4) { animation-delay: 0.25s; }
.charity-page .project-card:nth-child(5) { animation-delay: 0.3s; }
.charity-page .project-card:nth-child(6) { animation-delay: 0.35s; }
.charity-page .project-card:nth-child(7) { animation-delay: 0.4s; }
.charity-page .project-card:nth-child(8) { animation-delay: 0.45s; }

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

/* ============================================
   8. ПУСТОЕ СОСТОЯНИЕ
   ============================================ */

.charity-empty {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.charity-empty__icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.charity-empty__text {
    font-size: 1.1rem;
}