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

/* ТЁМНАЯ ТЕМА (по умолчанию) */
:root, [data-theme="dark"] {
    --bg: #0f0f13;
    --card: #1a1a22;
    --text: #f5f5f7;
    --muted: #9a9aa5;
    --border: #2a2a35;
    --accent: #ff4d3d;
    --accent-2: #ffb800;
    --shadow: rgba(255, 77, 61, 0.15);
}

/* СВЕТЛАЯ ТЕМА */
[data-theme="light"] {
    --bg: #f7f7fa;
    --card: #ffffff;
    --text: #14141a;
    --muted: #6a6a75;
    --border: #e5e5ec;
    --accent: #ff4d3d;
    --accent-2: #ff8a00;
    --shadow: rgba(255, 77, 61, 0.12);
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: background 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* HEADER */
.header {
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    position: sticky;
    top: 0;
    background: color-mix(in srgb, var(--bg) 90%, transparent);
    backdrop-filter: blur(12px);
    z-index: 100;
}

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

.logo {
    text-decoration: none;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-burst { color: var(--accent); }
.logo-news  { color: var(--text); }

.nav {
    display: flex;
    gap: 22px;
    flex: 1;
}

.nav a {
    color: var(--muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: color 0.2s;
}

.nav a:hover, .nav a.active { color: var(--accent); }

.theme-toggle {
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 18px;
    transition: transform 0.2s, border-color 0.2s;
}

.theme-toggle:hover {
    transform: scale(1.08);
    border-color: var(--accent);
}

/* HERO */
.hero {
    text-align: center;
    padding: 70px 0 40px;
    animation: fadeIn 0.8s ease;
}

.hero h1 {
    font-size: clamp(28px, 5vw, 52px);
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 14px;
    line-height: 1.15;
}

.accent {
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    color: var(--muted);
    font-size: 18px;
}

/* CONTROLS */
.controls {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 30px;
}

.search-box {
    position: relative;
    max-width: 480px;
    width: 100%;
    margin: 0 auto;
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.6;
    font-size: 16px;
}

.search-box input {
    width: 100%;
    padding: 14px 16px 14px 44px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    font-size: 15px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.search-box input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--shadow);
}

.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.filter-btn {
    padding: 8px 16px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--muted);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-btn:hover {
    color: var(--text);
    border-color: var(--accent);
}

.filter-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

/* NEWS GRID */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    padding-bottom: 60px;
}

.card {
    background: var(--card);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
    animation: cardIn 0.6s ease forwards;
    cursor: pointer;
}

.card:hover {
    transform: translateY(-6px);
    border-color: var(--accent);
    box-shadow: 0 12px 30px var(--shadow);
}

.card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
    background: var(--border);
}

.card-body {
    padding: 20px;
}

.card-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--accent);
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.card h3 {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.35;
}

.card p {
    color: var(--muted);
    font-size: 15px;
    margin-bottom: 14px;
}

.card-date {
    font-size: 13px;
    color: var(--muted);
    opacity: 0.7;
}

.empty {
    text-align: center;
    color: var(--muted);
    padding: 60px 0;
    font-size: 17px;
}

/* СТРАНИЦА НОВОСТИ */
.article {
    max-width: 760px;
    margin: 0 auto;
    padding: 50px 0 80px;
    animation: fadeIn 0.6s ease;
}

.article-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--accent);
    letter-spacing: 1.5px;
    margin-bottom: 16px;
}

.article h1 {
    font-size: clamp(26px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -1px;
    margin-bottom: 18px;
}

.article-meta {
    color: var(--muted);
    font-size: 15px;
    margin-bottom: 30px;
}

.article-img {
    width: 100%;
    border-radius: 16px;
    margin-bottom: 30px;
    display: block;
}

.article-body p {
    font-size: 18px;
    line-height: 1.75;
    color: var(--text);
    margin-bottom: 20px;
    opacity: 0.92;
}

.loading {
    color: var(--muted);
    text-align: center;
    padding: 60px 0;
}

/* FOOTER */
.footer {
    border-top: 1px solid var(--border);
    padding: 30px 0;
    text-align: center;
    color: var(--muted);
    font-size: 14px;
}

/* ANIMATIONS */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes cardIn {
    to { opacity: 1; transform: translateY(0); }
}

/* MOBILE */
@media (max-width: 600px) {
    .nav { gap: 14px; }
    .nav a { font-size: 14px; }
    .hero { padding: 40px 0 20px; }
    .news-grid { gap: 16px; }
}