/* Основные стили для платформы Svarly */
/* Современный дизайн в светло-синих тонах с адаптивной версткой */

/* Дополнительные стили для Tailwind CSS */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* CSS Reset и базовые стили */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    min-height: 100vh;
}

/* Цветовая палитра */
:root {
    --primary-blue: #3b82f6;
    --primary-indigo: #6366f1;
    --primary-purple: #8b5cf6;
    --light-blue: #dbeafe;
    --light-indigo: #e0e7ff;
    --light-purple: #ede9fe;
    --text-gray: #374151;
    --text-light: #6b7280;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% { transform: translate3d(0,0,0); }
    40%, 43% { transform: translate3d(0, -30px, 0); }
    70% { transform: translate3d(0, -15px, 0); }
    90% { transform: translate3d(0, -4px, 0); }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

.animate-slide-up {
    animation: slideUp 0.8s ease-out;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.animate-bounce {
    animation: bounce 1s infinite;
}

/* Утилиты */
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

/* Кнопки */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    font-size: 0.875rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-indigo));
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #2563eb, #5b21b6);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--light-blue);
}

.btn-secondary:hover {
    background: var(--light-blue);
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-gray);
    border: 1px solid transparent;
}

.btn-ghost:hover {
    background: var(--light-blue);
    color: var(--primary-blue);
}

/* Карточки */
.card {
    background: var(--white);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--light-blue);
}

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

.card-gradient {
    background: linear-gradient(135deg, var(--light-blue), var(--light-indigo));
}

/* Формы */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-gray);
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--light-blue);
    border-radius: 0.75rem;
    background: var(--white);
    color: var(--text-gray);
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

/* Навигация */
.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--primary-blue);
}

.nav-link.active {
    color: var(--primary-blue);
}

/* Модальные окна */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--white);
    border-radius: 1rem;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal.active .modal-content {
    transform: scale(1);
}

/* Адаптивность */
@media (max-width: 768px) {
    .card {
        padding: 1rem;
    }
    
    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.8125rem;
    }
    
    .modal-content {
        padding: 1.5rem;
        margin: 1rem;
    }
}

/* Темная тема */
@media (prefers-color-scheme: dark) {
    :root {
        --text-gray: #f9fafb;
        --text-light: #d1d5db;
        --white: #1f2937;
        --light-blue: #1e3a8a;
        --light-indigo: #312e81;
    }
    
    body {
        background: linear-gradient(135deg, #111827 0%, #1e293b 50%, #312e81 100%);
    }
}

/* Улучшения для доступности */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Фокус для клавиатурной навигации */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Загрузка */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--light-blue);
    border-radius: 50%;
    border-top-color: var(--primary-blue);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Уведомления */
.notification {
    position: fixed;
    top: 1rem;
    right: 1rem;
    background: var(--white);
    border: 1px solid var(--light-blue);
    border-radius: 0.75rem;
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    border-color: #10b981;
    background: #ecfdf5;
}

.notification.error {
    border-color: #ef4444;
    background: #fef2f2;
}

.notification.warning {
    border-color: #f59e0b;
    background: #fffbeb;
}

/* Стили для вопросов и ответов */
.question-card {
    background: var(--white);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-blue);
}

.question-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.question-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-gray);
    margin-bottom: 0.5rem;
}

.question-content {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.question-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.question-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tag {
    background: var(--light-blue);
    color: var(--primary-blue);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Стили для голосования */
.vote-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.vote-button {
    width: 2rem;
    height: 2rem;
    border: 2px solid var(--light-blue);
    background: var(--white);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.vote-button:hover {
    background: var(--light-blue);
    border-color: var(--primary-blue);
}

.vote-button.active {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    color: var(--white);
}

.vote-count {
    font-weight: 600;
    color: var(--text-gray);
}

/* Стили для ответов */
.answer-card {
    background: var(--white);
    border-radius: 0.75rem;
    padding: 1rem;
    margin-bottom: 0.75rem;
    border: 1px solid var(--light-blue);
}

.answer-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.answer-content {
    color: var(--text-gray);
    line-height: 1.6;
}

/* Стили для профиля */
.profile-header {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-indigo));
    color: var(--white);
    padding: 2rem;
    border-radius: 1rem;
    margin-bottom: 2rem;
}

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.profile-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.stat-card {
    background: var(--white);
    padding: 1rem;
    border-radius: 0.75rem;
    text-align: center;
    box-shadow: var(--shadow);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.stat-label {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Стили для поиска */
.search-container {
    position: relative;
    margin-bottom: 2rem;
}

.search-input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid var(--light-blue);
    border-radius: 1rem;
    background: var(--white);
    font-size: 1rem;
    transition: all 0.2s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    width: 1.25rem;
    height: 1.25rem;
}

/* Стили для фильтров */
.filter-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.filter-button {
    padding: 0.5rem 1rem;
    border: 2px solid var(--light-blue);
    background: var(--white);
    color: var(--text-gray);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-button:hover {
    background: var(--light-blue);
    color: var(--primary-blue);
}

.filter-button.active {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
}

/* Стили для пагинации */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.pagination-button {
    padding: 0.5rem 1rem;
    border: 2px solid var(--light-blue);
    background: var(--white);
    color: var(--text-gray);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pagination-button:hover {
    background: var(--light-blue);
    color: var(--primary-blue);
}

.pagination-button.active {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
}

.pagination-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Стили для пустого состояния */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-light);
}

.empty-state-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1rem;
    color: var(--text-light);
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-gray);
}

.empty-state-description {
    margin-bottom: 1.5rem;
}

/* Стили для загрузки */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-text {
    height: 1rem;
    border-radius: 0.25rem;
    margin-bottom: 0.5rem;
}

.skeleton-title {
    height: 1.5rem;
    width: 60%;
    margin-bottom: 1rem;
}

.skeleton-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
}