@import url('https://fonts.googleapis.com/css2?family=Golos+Text:wght@400;500;600;700&family=Unbounded:wght@500;600;700;800&display=swap');

:root {
    --bg-main: #0b0e14;
    --bg-card: #151b26;
    --bg-card-hover: #1c2433;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(255, 59, 48, 0.3);
    
    --text-primary: #f0f4f8;
    --text-muted: #8b9bb4;
    
    --accent-red: #ff3b30;
    --accent-red-glow: rgba(255, 59, 48, 0.4);
    --accent-green: #00e676;
    --accent-amber: #ffab00;
    --accent-blue: #2979ff;
    
    --font-heading: 'Unbounded', sans-serif;
    --font-body: 'Golos Text', sans-serif;
}

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

html, body {
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.5;
    background-image: 
        radial-gradient(circle at 15% 15%, rgba(255, 59, 48, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 85% 85%, rgba(41, 121, 255, 0.05) 0%, transparent 40%);
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
    word-wrap: break-word;
    word-break: break-word;
    line-height: 1.3;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 5%;
    background: rgba(21, 27, 38, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

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

.nav-links {
    display: flex;
    gap: 20px;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover { color: #fff; }

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 1.8rem;
    cursor: pointer;
    padding: 4px 8px;
}

.card-3d {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
    width: 100%;
}

.pulse-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 59, 48, 0.15);
    border: 1px solid var(--accent-red);
    color: var(--accent-red);
    padding: 6px 14px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.85rem;
}

.dot-pulse {
    width: 10px;
    height: 10px;
    background-color: var(--accent-red);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-red);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 59, 48, 0.7); }
    70% { transform: scale(1.1); box-shadow: 0 0 0 10px rgba(255, 59, 48, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 59, 48, 0); }
}

.btn-glow {
    background: linear-gradient(135deg, var(--accent-red), #d32f2f);
    color: #fff;
    padding: 12px 24px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-family: var(--font-body);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 20px var(--accent-red-glow);
    transition: transform 0.2s, box-shadow 0.2s;
    display: inline-block;
    text-align: center;
    white-space: normal;
    word-break: break-word;
}

.btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(255, 59, 48, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: #fff;
    padding: 10px 20px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    text-align: center;
    transition: background 0.2s;
    white-space: normal;
    word-break: break-word;
}

.form-input {
    width: 100%;
    padding: 12px 14px;
    background: #151b26 !important;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: #ffffff !important;
    font-family: var(--font-body);
    font-size: 0.95rem;
    margin-top: 6px;
    margin-bottom: 4px;
    box-sizing: border-box;
}

select.form-input option {
    background-color: #151b26 !important;
    color: #ffffff !important;
    padding: 10px;
}

.info-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(41, 121, 255, 0.2);
    color: var(--accent-blue);
    font-size: 0.8rem;
    font-weight: bold;
    cursor: pointer;
    margin-left: 6px;
    border: 1px solid var(--accent-blue);
    flex-shrink: 0;
}

.container {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 30px 20px;
    flex: 1;
}

.container-wide {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 30px 20px;
    flex: 1;
}

.alert {
    padding: 14px 20px;
    border-radius: 10px;
    margin-bottom: 24px;
    font-weight: 600;
}
.alert-success { background: rgba(0, 230, 118, 0.15); border: 1px solid var(--accent-green); color: var(--accent-green); }
.alert-info { background: rgba(41, 121, 255, 0.15); border: 1px solid var(--accent-blue); color: #fff; }
.alert-error { background: rgba(255, 59, 48, 0.15); border: 1px solid var(--accent-red); color: var(--accent-red); }

footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 40px 5%;
    margin-top: auto;
    width: 100%;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
}

/* МОБИЛЬНАЯ АДАПТИВНОСТЬ МАСШТАБА И СЕТОК */
@media (max-width: 1024px) {
    #playlist-list {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (max-width: 850px) {
    .mobile-menu-btn { display: block; }

    .nav-links {
        display: none;
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background: #151b26;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 15px 35px rgba(0,0,0,0.8);
        gap: 14px;
    }

    .nav-links.active { display: flex; }

    #playlist-list {
        grid-template-columns: 1fr !important;
    }

    .container-wide, .container {
        padding: 20px 12px !important;
    }

    .tariff-grid, .gb-grid {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 600px) {
    h1 { font-size: 1.5rem !important; }
    h2 { font-size: 1.25rem !important; }
    h3 { font-size: 1.05rem !important; }

    .card-3d {
        padding: 16px 14px !important;
        border-radius: 12px !important;
    }

    .mobile-stack {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 12px !important;
    }

    .mobile-full {
        width: 100% !important;
    }
}