:root {
    --primary: #000000;
    --secondary: #666666;
    --accent: #0055ff;
    --accent-glow: rgba(0, 85, 255, 0.15);
    --background: #ffffff;
    --surface: #f8f9fa;
    --border: #e9ecef;
    --text: #000000;
    --text-secondary: #6c757d;
    --success: #00a046;
    --warning: #ffa000;
    --error: #ff3b30;
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

[data-theme="dark"] {
    --primary: #ffffff;
    --secondary: #adb5bd;
    --accent: #4d90fe;
    --accent-glow: rgba(77, 144, 254, 0.15);
    --background: #121212;
    --surface: #1e1e1e;
    --border: #2d2d2d;
    --text: #ffffff;
    --text-secondary: #adb5bd;
    --success: #00c853;
    --warning: #ffb300;
    --error: #ff5252;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--background);
    color: var(--text);
    line-height: 1.4;
    font-size: 14px;
    font-weight: 400;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1200px; /* ЕДИНАЯ ШИРИНА ДЛЯ ВСЕХ СТРАНИЦ */
    margin: 0 auto;
    padding: 0 20px;
}

header {
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    background: var(--background);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--accent);
}

.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    color: var(--text);
    cursor: pointer;
    font-size: 16px;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.theme-toggle:hover {
    background: var(--surface);
    transform: rotate(12deg);
}

main {
    flex: 1;
    padding: 24px 0;
}

.card {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
    transition: var(--transition);
}

.card:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-title::before {
    content: '';
    width: 4px;
    height: 18px;
    background: var(--accent);
    border-radius: 2px;
}

/* Стили для блока описания */
.about-section { margin-bottom: 24px; }
.about-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
}
.about-title { font-size: 24px; font-weight: 700; margin-bottom: 12px; }
.about-description { font-size: 14px; line-height: 1.5; color: var(--text-secondary); margin-bottom: 16px; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-top: 20px; }
.feature-item { padding: 16px; background: var(--background); border: 1px solid var(--border); border-radius: var(--radius-sm); text-align: center; }
.feature-icon { font-size: 24px; margin-bottom: 8px; }
.feature-title { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.feature-desc { font-size: 12px; color: var(--text-secondary); }

/* Стили для рейтинга */
.rating-section { margin-bottom: 24px; }
.rating-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.rating-title { font-size: 18px; font-weight: 700; }
.view-all-btn { background: var(--accent); color: white; border: none; padding: 8px 16px; border-radius: var(--radius-sm); font-size: 12px; font-weight: 500; cursor: pointer; text-decoration: none; }
.rating-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.rating-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; text-align: center; position: relative; }
.rating-provider { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.rating-speed { font-size: 20px; font-weight: 700; color: var(--accent); margin-bottom: 4px; }
.rating-label { font-size: 11px; color: var(--text-secondary); margin-bottom: 6px; }
.rating-stats { display: flex; justify-content: space-around; margin-top: 8px; font-size: 10px; color: var(--text-secondary); }

.loading { text-align: center; padding: 40px 0; }
.spinner { width: 40px; height: 40px; border: 3px solid var(--surface); border-top: 3px solid var(--accent); border-radius: 50%; margin: 0 auto 20px; animation: spin 1.2s linear infinite; }
@keyframes spin { 100% { transform: rotate(360deg); } }

.server-selector { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.server-selector label { font-weight: 500; }
.server-selector select { flex: 1; padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--background); color: var(--text); font-size: 14px; cursor: pointer; }
.server-selector select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }

.start-btn { width: 100%; padding: 16px; background: var(--accent); color: white; border: none; border-radius: var(--radius-sm); font-size: 16px; font-weight: 600; cursor: pointer; transition: var(--transition); margin-bottom: 20px; }
.start-btn:hover { background: #0044cc; transform: translateY(-2px); box-shadow: 0 6px 20px var(--accent-glow); }
.start-btn.running { background: var(--error); }

.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px; }
.stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 12px; text-align: center; transition: var(--transition); }
.stat-value { font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.stat-label { font-size: 11px; color: var(--text-secondary); text-transform: uppercase; font-weight: 600; }
.ping .stat-value { color: var(--success); }
.jitter .stat-value { color: var(--warning); }
.download .stat-value, .upload .stat-value { color: var(--accent); }

.charts-container { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }
.chart-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.chart-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.chart-title { font-size: 12px; font-weight: 600; text-transform: uppercase; }
.chart-value { font-size: 16px; font-weight: 700; color: var(--accent); }
.chart-canvas { width: 100%; height: 100px; }

.info-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 20px; }
.info-card { padding: 14px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); }
.info-label { font-size: 11px; color: var(--text-secondary); text-transform: uppercase; margin-bottom: 6px; font-weight: 600; }
.info-value { font-size: 13px; font-weight: 600; word-break: break-all; }
.provider .info-value { color: var(--accent); }

.review-prompt { margin-top: 10px; }
.review-prompt-btn { background: var(--accent); color: white; border: none; padding: 6px 12px; border-radius: var(--radius-sm); font-size: 11px; font-weight: 500; cursor: pointer; width: 100%; }

.share-section { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border); }
.share-title { font-size: 16px; font-weight: 600; margin-bottom: 12px; }
.share-input-group { display: flex; gap: 8px; margin-bottom: 12px; }
.share-input { flex: 1; padding: 10px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--background); color: var(--text); }
.share-btn { padding: 10px 16px; background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: var(--radius-sm); font-weight: 500; cursor: pointer; }
.review-btn { background: var(--accent); color: white; border: none; padding: 10px 16px; border-radius: var(--radius-sm); font-weight: 500; cursor: pointer; }
.results-image { max-width: 100%; border-radius: var(--radius-sm); border: 1px solid var(--border); }


/* --- ОБЩИЕ СТИЛИ ДЛЯ ФОРМ --- */
.form-group { margin-bottom: 20px; }
.form-label { display: block; margin-bottom: 8px; font-weight: 500; }
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--background);
    color: var(--text);
    font-size: 14px;
    transition: var(--transition);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-textarea { resize: vertical; min-height: 120px; }
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: #0044cc; }
.btn-secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }

/* Модальные окна */
.modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 1000; align-items: center; justify-content: center; padding: 20px; backdrop-filter: blur(4px); }
.modal-content { background: var(--background); border-radius: var(--radius); padding: 24px; max-width: 500px; width: 100%; max-height: 80vh; overflow-y: auto; border: 1px solid var(--border); }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.modal-title { font-size: 18px; font-weight: 600; }
.close-modal { background: none; border: none; font-size: 24px; color: var(--text-secondary); cursor: pointer; }
.modal-body ul { padding-left: 20px; }
.modal-body li { margin-bottom: 8px; }

/* Форма оценки */
.review-modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 1000; align-items: center; justify-content: center; padding: 20px; }
.review-modal-content { background: var(--background); border-radius: var(--radius); padding: 24px; max-width: 500px; width: 100%; max-height: 80vh; overflow-y: auto; }
.rating-stars { display: flex; gap: 6px; }
.star { font-size: 20px; color: var(--border); cursor: pointer; }
.star.active { color: #ffc107; }
.form-actions { display: flex; gap: 10px; margin-top: 20px; }
.actual-speed-info { background: var(--surface); border-radius: var(--radius-sm); padding: 12px; margin-bottom: 16px; }
.actual-speed-title { font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.actual-speed-values { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; font-size: 12px; }
.actual-speed-item { display: flex; justify-content: space-between; }
.actual-speed-value { font-weight: 600; color: var(--accent); }

.error-message { color: var(--error); padding: 16px; border-radius: var(--radius-sm); margin: 20px 0; text-align: center; border: 1px solid var(--error); }
.retry-btn { background: var(--accent); color: white; border: none; padding: 10px 20px; border-radius: var(--radius-sm); font-weight: 500; cursor: pointer; margin-top: 12px; }
.hidden { display: none !important; }
/* Компактный футер */
.compact-footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 30px 0 15px;
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr 1fr;
    gap: 40px;
    margin-bottom: 20px;
    align-items: start;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
}

.logo-icon {
    font-size: 22px;
    background: var(--accent);
    border-radius: 6px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-description {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.4;
    margin: 0;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

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

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
    padding: 4px 0;
}

.footer-link:hover {
    color: var(--accent);
}

.footer-contacts {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: flex-end;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    transition: var(--transition);
}

.contact-link:hover {
    color: var(--accent);
}

.contact-icon {
    font-size: 14px;
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 6px;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px);
}

.social-icon {
    font-size: 14px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--border);
}

.copyright {
    color: var(--text-secondary);
    font-size: 12px;
}

.made-with {
    color: var(--text-secondary);
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.heart {
    color: #ff4757;
    animation: heartbeat 2s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Адаптивность футера */
@media (max-width: 768px) {
    .compact-footer {
        padding: 25px 0 15px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-contacts {
        align-items: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .footer-content {
        gap: 20px;
    }
    
    .footer-links {
        gap: 15px;
    }
}
/* Компактный блок ТОП-5 провайдеров */
.modern-providers-section {
    margin: 30px 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.section-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin: 0;
}

.view-all-link {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--accent);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
}

.view-all-link:hover {
    gap: 8px;
}

.link-arrow {
    font-size: 14px;
    transition: var(--transition);
}

.view-all-link:hover .link-arrow {
    transform: translateX(2px);
}

.providers-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}

.provider-card {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    position: relative;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 120px;
}

.provider-card:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

/* Стили для топ-3 провайдеров */
.provider-card.top-provider {
    border-color: var(--accent);
    background: linear-gradient(135deg, var(--surface) 0%, var(--background) 100%);
}

.provider-card.rank-1 {
    border-color: #ffd700;
    background: linear-gradient(135deg, #fff9e6 0%, var(--background) 100%);
}

.provider-card.rank-2 {
    border-color: #c0c0c0;
    background: linear-gradient(135deg, #f8f8f8 0%, var(--background) 100%);
}

.provider-card.rank-3 {
    border-color: #cd7f32;
    background: linear-gradient(135deg, #fdf3e6 0%, var(--background) 100%);
}

[data-theme="dark"] .provider-card.rank-1 {
    background: linear-gradient(135deg, #332900 0%, var(--background) 100%);
}

[data-theme="dark"] .provider-card.rank-2 {
    background: linear-gradient(135deg, #2a2a2a 0%, var(--background) 100%);
}

[data-theme="dark"] .provider-card.rank-3 {
    background: linear-gradient(135deg, #332200 0%, var(--background) 100%);
}

.provider-rank {
    position: absolute;
    top: -6px;
    left: 12px;
    background: var(--accent);
    color: white;
    border-radius: 10px;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
}

.rank-crown {
    position: absolute;
    top: -12px;
    right: -6px;
    font-size: 14px;
    filter: drop-shadow(0 1px 2px rgba(0,0,0,0.2));
}

.provider-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.provider-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    margin: 0;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.provider-stats {
    display: flex;
    align-items: baseline;
    gap: 6px;
    flex-wrap: wrap;
}

.speed-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent);
}

.speed-unit {
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 500;
}

.measurements {
    font-size: 10px;
    color: var(--text-secondary);
    background: var(--surface);
    padding: 2px 6px;
    border-radius: 8px;
}

.provider-meta {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: auto;
}

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

.review-count {
    font-size: 10px;
    color: var(--text-secondary);
}

.rating {
    display: flex;
    align-items: center;
    gap: 3px;
}

.rating-stars {
    color: #ffc107;
    font-size: 10px;
}

.rating-value {
    font-size: 10px;
    color: var(--text-secondary);
    font-weight: 600;
}

.top-badge {
    position: absolute;
    top: -4px;
    right: 12px;
    background: var(--accent);
    color: white;
    font-size: 9px;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* Адаптивность блока провайдеров */
@media (max-width: 1200px) {
    .providers-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }
}

@media (max-width: 768px) {
    .modern-providers-section {
        margin: 25px 0;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        margin-bottom: 15px;
    }
    
    .providers-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .provider-card {
        padding: 14px;
        gap: 10px;
        min-height: 110px;
    }
    
    .speed-value {
        font-size: 16px;
    }
    
    .provider-name {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 16px;
    }
    
    .providers-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .provider-card {
        padding: 12px;
        min-height: 100px;
    }
    
    .provider-name {
        font-size: 14px;
        -webkit-line-clamp: 1;
    }
}
/* --- Стили для блока "Поделиться результатами" --- */
.share-section {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.share-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    text-align: center;
}

.share-layout {
    display: flex;
    gap: 24px;
    align-items: center;
}

.share-image-container {
    flex: 0 0 400px; /* Фиксированная ширина для картинки */
    max-width: 100%;
}

.results-image {
    width: 100%;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    display: block;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(0,0,0,0.05);
}
.results-image:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

.share-actions {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.share-description {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 4px;
}

.share-input-group {
    display: flex;
}

.share-input {
    flex-grow: 1;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    font-size: 13px;
    border-right: none;
    transition: var(--transition);
}
.share-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    z-index: 2;
}

.share-btn {
    padding: 10px 16px;
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}
.share-btn:hover {
    background: var(--border);
    z-index: 1;
}

.review-btn {
    width: 100%;
    background: var(--accent);
    color: white;
    border: none;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}
.review-btn:hover {
    background: #0044cc;
    transform: translateY(-1px);
}

/* Адаптивность блока */
@media (max-width: 768px) {
    .share-layout {
        flex-direction: column;
        gap: 20px;
    }
    .share-image-container {
        flex-basis: auto;
        width: 100%;
        max-width: 450px;
    }
    .share-actions {
        width: 100%;
        max-width: 450px;
    }
}