/* Загальні стилі */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #FF6B35;
    --primary-hover: #FF8555;
    --secondary-color: #F7F7F7;
    --text-dark: #333333;
    --text-light: #666666;
    --border-color: #E0E0E0;
    --white: #FFFFFF;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 12px rgba(255, 107, 53, 0.2);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Хедер */
.header {
    background-color: var(--white);
    border-bottom: 2px solid var(--primary-color);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-dark);
    font-size: 24px;
    font-weight: bold;
}

.logo-icon {
    font-size: 32px;
}

.logo-text {
    color: var(--primary-color);
}

.nav {
    display: flex;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.3s;
}

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

/* Головна секція */
.hero {
    background: linear-gradient(135deg, #FFF5F2 0%, #FFFFFF 100%);
    padding: 80px 0;
    text-align: center;
}

.hero-title {
    font-size: 48px;
    color: var(--text-dark);
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 40px;
}

/* Пошук */
.search-box {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.search-form {
    display: flex;
    gap: 10px;
    box-shadow: var(--shadow);
    border-radius: 12px;
    overflow: hidden;
}

.search-input {
    flex: 1;
    padding: 18px 24px;
    font-size: 16px;
    border: 2px solid var(--border-color);
    border-right: none;
    outline: none;
    transition: border-color 0.3s;
}

.search-input:focus {
    border-color: var(--primary-color);
}

.search-button {
    padding: 18px 36px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.search-button:hover {
    background-color: var(--primary-hover);
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 12px 12px;
    max-height: 400px;
    overflow-y: auto;
    display: none;
    box-shadow: var(--shadow);
    z-index: 10;
}

.search-results.active {
    display: block;
}

.search-result-item {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color 0.2s;
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background-color: var(--secondary-color);
}

.search-result-name {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.search-result-info {
    font-size: 14px;
    color: var(--text-light);
}

/* Статистика */
.stats {
    margin-top: 60px;
    display: flex;
    justify-content: center;
    gap: 60px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    display: block;
    font-size: 16px;
    color: var(--text-light);
    margin-top: 8px;
}

/* Можливості */
.features {
    padding: 80px 0;
    background-color: var(--white);
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: var(--text-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.feature-card {
    text-align: center;
    padding: 40px 30px;
    border-radius: 12px;
    background-color: var(--secondary-color);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.feature-card p {
    color: var(--text-light);
    font-size: 16px;
}

/* CTA секція */
.cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    padding: 80px 0;
    text-align: center;
    color: var(--white);
}

.cta h2 {
    font-size: 36px;
    margin-bottom: 30px;
}

.cta-button {
    display: inline-block;
    padding: 16px 48px;
    background-color: var(--white);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    border-radius: 8px;
    transition: all 0.3s;
    box-shadow: var(--shadow);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.cta-button-secondary {
    display: inline-block;
    padding: 16px 48px;
    background-color: transparent;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    transition: all 0.3s;
}

.cta-button-secondary:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Каталог */
.catalog-header {
    background-color: var(--secondary-color);
    padding: 40px 0;
    border-bottom: 2px solid var(--primary-color);
}

.catalog-header h1 {
    margin-bottom: 30px;
    color: var(--text-dark);
}

.catalog-search {
    max-width: 600px;
}

.catalog-search .search-form {
    display: flex;
}

.catalog-content {
    padding: 40px 0;
}

.catalog-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
}

/* Фільтри */
.filters {
    background-color: var(--secondary-color);
    padding: 30px;
    border-radius: 12px;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.filters h3 {
    margin-bottom: 24px;
    color: var(--primary-color);
    font-size: 22px;
}

.filter-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-group label {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 14px;
}

.filter-select {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    background-color: var(--white);
    cursor: pointer;
}

.filter-button {
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

.filter-reset {
    text-align: center;
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
}

.filter-reset:hover {
    color: var(--primary-color);
}

/* Результати каталогу */
.catalog-results {
    min-height: 400px;
}

.results-info {
    margin-bottom: 24px;
    padding: 16px;
    background-color: var(--secondary-color);
    border-radius: 8px;
}

.drugs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.drug-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.3s;
}

.drug-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
    border-color: var(--primary-color);
}

.drug-name {
    font-size: 20px;
    margin-bottom: 12px;
}

.drug-name a {
    color: var(--primary-color);
    text-decoration: none;
}

.drug-name a:hover {
    text-decoration: underline;
}

.drug-inn, .drug-form, .drug-manufacturer {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.drug-category {
    margin: 12px 0;
}

.category-badge {
    display: inline-block;
    padding: 4px 12px;
    background-color: #FFF5F2;
    color: var(--primary-color);
    border-radius: 16px;
    font-size: 12px;
    font-weight: 600;
}

.category-badge-large {
    display: inline-block;
    padding: 8px 20px;
    background-color: #FFF5F2;
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.drug-link {
    display: inline-block;
    margin-top: 12px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.drug-link:hover {
    text-decoration: underline;
}

.no-results {
    text-align: center;
    padding: 80px 20px;
}

.no-results p {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 30px;
}

/* Деталі препарату */
.breadcrumbs {
    background-color: var(--secondary-color);
    padding: 16px 0;
    font-size: 14px;
}

.breadcrumbs a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumbs a:hover {
    text-decoration: underline;
}

.drug-detail {
    padding: 40px 0;
}

.drug-info {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    box-shadow: var(--shadow);
}

.drug-header {
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 20px;
    margin-bottom: 30px;
}

.drug-header h1 {
    font-size: 36px;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.drug-content {
    max-width: 900px;
}

.info-section {
    margin-bottom: 40px;
}

.info-section h2 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.info-item {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 16px;
    padding: 16px;
    background-color: var(--secondary-color);
    border-radius: 8px;
}

.info-item dt {
    font-weight: 600;
    color: var(--text-dark);
}

.info-item dd {
    color: var(--text-light);
}

.drug-description {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-light);
}

.drug-instruction {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
}

.drug-instruction h3 {
    font-size: 20px;
    color: var(--primary-color);
    margin-top: 24px;
    margin-bottom: 12px;
    font-weight: 600;
}

.drug-instruction h3:first-child {
    margin-top: 0;
}

.drug-instruction p {
    margin-bottom: 16px;
    color: var(--text-light);
}

.drug-instruction ul {
    margin-left: 24px;
    margin-bottom: 16px;
    list-style-type: disc;
}

.drug-instruction li {
    margin-bottom: 8px;
    color: var(--text-light);
}

.drug-instruction strong {
    color: var(--text-dark);
    font-weight: 600;
}

.analogs-intro {
    margin-bottom: 16px;
    color: var(--text-light);
}

.analogs-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
    list-style: none;
}

.analog-item {
    padding: 12px 16px;
    background-color: #FFF5F2;
    border-left: 3px solid var(--primary-color);
    border-radius: 4px;
    color: var(--text-dark);
}

.disclaimer {
    background-color: #FFF9E6;
    border: 2px solid #FFD700;
    border-radius: 8px;
    padding: 24px;
}

.disclaimer h3 {
    color: #D97706;
    margin-bottom: 12px;
}

.disclaimer p {
    color: var(--text-dark);
    line-height: 1.8;
}

.drug-actions {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.back-button {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--secondary-color);
    color: var(--text-dark);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
}

.back-button:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Сторінка помилки */
.error-page {
    padding: 120px 0;
    text-align: center;
}

.error-content {
    max-width: 600px;
    margin: 0 auto;
}

.error-title {
    font-size: 120px;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 20px;
}

.error-content h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.error-content p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 40px;
}

.error-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Футер */
.footer {
    background-color: var(--text-dark);
    color: var(--white);
    padding: 40px 0;
    margin-top: 80px;
}

.footer-content {
    text-align: center;
}

.footer-note {
    margin-top: 12px;
    font-size: 14px;
    color: #CCCCCC;
}

/* Адаптивність */
@media (max-width: 768px) {
    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .search-form {
        flex-direction: column;
    }

    .search-input {
        border: 2px solid var(--border-color);
        border-radius: 8px;
    }

    .search-button {
        border-radius: 8px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .catalog-layout {
        grid-template-columns: 1fr;
    }

    .filters {
        position: static;
    }

    .drugs-grid {
        grid-template-columns: 1fr;
    }

    .info-item {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .analogs-list {
        grid-template-columns: 1fr;
    }

    .nav {
        gap: 15px;
    }

    .nav-link {
        padding: 6px 12px;
        font-size: 14px;
    }

    .error-title {
        font-size: 80px;
    }

    .error-actions {
        flex-direction: column;
        align-items: center;
    }
}