/* ============================================
   МЕДИЦИНСКИЙ СПРАВОЧНИК - СТИЛИ
   ============================================ */

:root {
    --primary: #1a73e8;
    --primary-dark: #1557b0;
    --primary-light: #e8f0fe;
    --secondary: #34a853;
    --warning: #fbbc04;
    --danger: #ea4335;
    --danger-light: #fce8e6;
    --text: #202124;
    --text-secondary: #5f6368;
    --border: #dadce0;
    --bg: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 1px 3px rgba(0,0,0,0.12);
    --shadow-lg: 0 4px 6px rgba(0,0,0,0.1);
    --radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
}

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

/* Header */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}

.logo i {
    color: var(--danger);
    font-size: 28px;
}

.header-search {
    position: relative;
    flex: 1;
    max-width: 500px;
}

.header-search input {
    width: 100%;
    padding: 12px 45px 12px 20px;
    border: 2px solid var(--border);
    border-radius: 25px;
    font-size: 16px;
    transition: var(--transition);
}

.header-search input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.header-search button {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary);
    color: var(--white);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

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

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    max-height: 300px;
    overflow-y: auto;
    display: none;
    z-index: 1001;
}

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

.search-result-item {
    padding: 12px 20px;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.search-result-item:hover {
    background: var(--primary-light);
}

/* Breadcrumbs */
.breadcrumbs {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
}

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

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

.breadcrumbs .separator {
    margin: 0 8px;
    color: var(--text-secondary);
}

.breadcrumbs .current {
    color: var(--text-secondary);
}

/* Main Page */
.main-page {
    padding: 40px 0;
}

.main-page h1 {
    font-size: 36px;
    color: var(--text);
    margin-bottom: 10px;
    text-align: center;
}

.subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 18px;
    margin-bottom: 40px;
}

.search-section {
    max-width: 600px;
    margin: 0 auto 40px;
}

.search-box {
    position: relative;
    display: flex;
    gap: 10px;
}

.search-box input {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 18px;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.search-box button {
    padding: 15px 30px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

.main-search-results {
    margin-top: 10px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    display: none;
}

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

/* Alphabet Navigation */
.alphabet-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    justify-content: center;
    margin-bottom: 40px;
    padding: 20px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.alphabet-nav a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    background: var(--primary-light);
    color: var(--primary);
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
}

.alphabet-nav a:hover {
    background: var(--primary);
    color: var(--white);
}

/* Categories */
.categories-section {
    margin-bottom: 40px;
}

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

.categories-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 10px;
}

.categories-list li a {
    display: block;
    padding: 15px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--text);
    transition: var(--transition);
}

.categories-list li a:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
}

/* Letter Sections */
.letter-section {
    margin-bottom: 40px;
}

.letter-title {
    font-size: 32px;
    color: var(--primary);
    border-bottom: 3px solid var(--primary);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.drugs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 15px;
}

.drug-card {
    background: var(--white);
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    text-decoration: none;
    color: var(--text);
    transition: var(--transition);
    box-shadow: var(--shadow);
}

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

.drug-card-name {
    display: block;
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 5px;
}

.drug-card-lat {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 8px;
}

.drug-card-cat {
    display: inline-block;
    padding: 3px 10px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 15px;
    font-size: 12px;
}

/* Drug Page */
.drug-page {
    padding: 40px 0;
}

.drug-page .container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
}

.drug-article {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.drug-header {
    padding: 30px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
}

.drug-header h1 {
    font-size: 32px;
    margin-bottom: 15px;
}

.drug-lat {
    font-size: 20px;
    font-style: italic;
    opacity: 0.9;
    font-weight: 400;
}

.drug-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.drug-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    background: rgba(255,255,255,0.2);
    border-radius: 20px;
    font-size: 14px;
}

.prescription-yes {
    background: rgba(234, 67, 53, 0.3) !important;
}

.prescription-no {
    background: rgba(52, 168, 83, 0.3) !important;
}

/* Drug Image */
.drug-image {
    padding: 30px;
    text-align: center;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(to bottom, #f8f9fa, #ffffff);
}

.drug-image img {
    max-width: 100%;
    height: auto;
    max-height: 350px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}

.image-caption {
    margin-top: 15px;
    color: var(--text-secondary);
    font-size: 14px;
    font-style: italic;
}

.drug-section {
    padding: 25px 30px;
    border-bottom: 1px solid var(--border);
}

.drug-section:last-of-type {
    border-bottom: none;
}

.drug-section h2 {
    font-size: 22px;
    color: var(--primary);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.drug-section h2 i {
    color: var(--primary);
    font-size: 20px;
}

.section-content {
    padding-left: 30px;
}

.section-content p {
    margin-bottom: 10px;
    line-height: 1.8;
}

.warning-box {
    background: var(--danger-light);
    border-left: 4px solid var(--danger);
    padding: 15px;
    border-radius: 0 var(--radius) var(--radius) 0;
    margin: 10px 0;
}

.pregnancy-note {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(234, 67, 53, 0.3);
}

.disclaimer {
    background: #fff3cd;
    border: 1px solid #ffc107;
    padding: 20px 30px;
    margin: 20px 30px;
    border-radius: var(--radius);
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.disclaimer i {
    color: #ffc107;
    font-size: 24px;
    margin-top: 2px;
}

/* Sidebar */
.drug-sidebar {
    position: sticky;
    top: 100px;
}

.sidebar-widget {
    background: var(--white);
    padding: 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.sidebar-widget h3 {
    font-size: 18px;
    color: var(--text);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary);
}

.analogs-list {
    list-style: none;
}

.analogs-list li {
    margin-bottom: 8px;
}

.analogs-list a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.analogs-list a:hover {
    text-decoration: underline;
    color: var(--primary-dark);
}

.price-info {
    color: var(--text-secondary);
}

.price-range {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
    font-weight: 600;
}

.price-min {
    color: var(--secondary);
}

.price-max {
    color: var(--danger);
}

/* Footer */
.footer {
    background: var(--text);
    color: var(--white);
    padding: 30px 0;
    text-align: center;
    margin-top: 60px;
}

.footer p {
    margin-bottom: 5px;
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    .drug-page .container {
        grid-template-columns: 1fr;
    }
    
    .drug-sidebar {
        position: static;
    }
    
    .header .container {
        flex-direction: column;
    }
    
    .header-search {
        max-width: 100%;
    }
    
    .drug-header h1 {
        font-size: 24px;
    }
    
    .drugs-grid {
        grid-template-columns: 1fr;
    }
    
    .drug-image img {
        max-height: 250px;
    }
}