:root {
    /* Цветовая палитра */
    --bg-main: #0f1115;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.05);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-active: rgba(0, 240, 255, 0.3);
    
    --text-main: #ffffff;
    --text-muted: #8e95a3;
    
    --accent-cyan: #5ce1e6;
    --accent-cyan-glow: rgba(92, 225, 230, 0.2);
    
    --success-color: #4ade80;
    --success-bg: rgba(74, 222, 128, 0.1);
    
    --warning-color: #fbbf24;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 2rem 1rem;
    
    /* Тонкий паттерн сетки на фоне */
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 32px 32px;
}

.app-container {
    width: 100%;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Шапка */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 0.5rem;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    color: var(--accent-cyan);
    width: 28px;
    height: 28px;
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(to right, #fff, #8e95a3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-actions {
    display: flex;
    gap: 0.5rem;
}

.icon-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.icon-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-main);
    border-color: rgba(255, 255, 255, 0.15);
}

.icon-btn i {
    width: 20px;
    height: 20px;
}

/* Карточки (Glassmorphism) */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* Блок аккаунта */
.account-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.status-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.status-icon.active {
    background: var(--success-bg);
    color: var(--success-color);
    border: 1px solid rgba(74, 222, 128, 0.2);
}

.account-name {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.account-expires-text {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.stat-box {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    transition: var(--transition);
}

.stat-box:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.1);
}

.stat-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.stat-label i {
    width: 14px;
    height: 14px;
}

.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }

.stat-value {
    font-size: 0.9375rem;
    font-weight: 500;
}

.text-ellipsis {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Блок установки */
.install-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.install-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
}

.platform-select-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.select-icon {
    position: absolute;
    left: 12px;
    width: 16px;
    height: 16px;
    color: var(--text-muted);
    pointer-events: none;
}

.platform-select {
    appearance: none;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.5rem 2rem 0.5rem 2.5rem;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    outline: none;
}

.platform-select:focus, .platform-select:hover {
    border-color: var(--accent-cyan);
    background: rgba(255, 255, 255, 0.08);
}

.platform-select option {
    background-color: var(--bg-main);
    color: var(--text-main);
}

/* Сетка приложений */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.app-tab {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.app-tab::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.05), transparent);
    opacity: 0;
    transition: var(--transition);
}

.app-tab:hover {
    background: rgba(255, 255, 255, 0.05);
}

.app-tab:hover::before {
    opacity: 1;
}

.app-tab.active {
    background: rgba(92, 225, 230, 0.05);
    border-color: var(--border-active);
    box-shadow: 0 0 15px var(--accent-cyan-glow);
}

.app-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: var(--transition);
}

.app-tab.active .app-dot {
    background: var(--warning-color);
    box-shadow: 0 0 8px rgba(251, 191, 36, 0.5);
}

.app-name {
    font-weight: 500;
    font-size: 0.875rem;
    z-index: 1;
}

/* Шаги установки */
.steps-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.step-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    gap: 1.25rem;
    transition: var(--transition);
}

.step-card:hover {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.1);
}

.step-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.step-content p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.download-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.dl-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--accent-cyan);
    padding: 0.625rem 1rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
}

.dl-btn:hover {
    background: rgba(92, 225, 230, 0.1);
    border-color: rgba(92, 225, 230, 0.3);
}

.dl-btn i {
    width: 16px;
    height: 16px;
}

.import-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.primary-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-cyan), #2563eb);
    color: #fff;
    border: none;
    padding: 0.875rem 1.5rem;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.primary-btn:active {
    transform: translateY(0);
}

/* Адаптивность */
@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .step-card {
        flex-direction: column;
        text-align: center;
    }
    
    .step-icon {
        margin: 0 auto;
    }
    
    .download-buttons {
        justify-content: center;
    }
}