:root {
    --bg-color: #050510;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-highlight: rgba(255, 255, 255, 0.15);
    --primary: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.5);
    --text-main: #ffffff;
    --text-muted: #94a3b8;
    --radius: 16px;
    --font-main: 'Outfit', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-main);
    overflow: hidden;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

#stars-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
}

.app-container {
    display: flex;
    width: 95vw;
    height: 90vh;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    background: rgba(15, 23, 42, 0.3);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    padding: 24px;
    border-right: 1px solid var(--glass-border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 40px;
}

.logo-icon {
    color: var(--primary);
    filter: drop-shadow(0 0 8px var(--primary-glow));
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    margin-bottom: 8px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 16px;
    font-family: inherit;
    cursor: pointer;
    border-radius: 12px;
    transition: all 0.3s ease;
    width: 100%;
    text-align: left;
}

.nav-item:hover {
    background: var(--glass-bg);
    color: var(--text-main);
}

.nav-item.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.user-mini {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
}

.avatar,
.big-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #a855f7, #6366f1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
}

.big-avatar {
    width: 80px;
    height: 80px;
    font-size: 32px;
    margin-bottom: 16px;
}

.info {
    display: flex;
    flex-direction: column;
}

.name {
    font-weight: 600;
    font-size: 14px;
}

.status {
    font-size: 12px;
    color: #4ade80;
}

/* Main Content */
.content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

header {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    border-bottom: 1px solid var(--glass-border);
}

.glass {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    border-radius: var(--radius);
}

.input-glass {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    color: white;
    padding: 10px;
    border-radius: 8px;
    font-family: inherit;
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-main);
    padding: 8px;
    cursor: pointer;
    border-radius: 50%;
    transition: background 0.2s;
}

.icon-btn:hover {
    background: var(--glass-bg);
}

.view-container {
    padding: 32px;
    overflow-y: auto;
    flex: 1;
}

/* Dashboard Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.stat-info h3 {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}

.stat-info .value {
    font-size: 24px;
    font-weight: 700;
    margin-top: 4px;
}

.sub-details {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 500px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--glass-border);
}

.btn-primary {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-primary.full-width {
    width: 100%;
    margin-top: 16px;
}

/* Shop */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.plan-card {
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform 0.3s;
}

.plan-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.plan-name {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.plan-price {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 24px;
}

.plan-features {
    list-style: none;
    margin-bottom: 24px;
    width: 100%;
}

.plan-features li {
    padding: 8px 0;
    border-bottom: 1px solid var(--glass-border);
    color: var(--text-muted);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.view-container>* {
    animation: fadeIn 0.4s ease-out;
}

/* Mobile */
@media (max-width: 768px) {
    .app-container {
        width: 100vw;
        height: 100vh;
        border-radius: 0;
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        height: auto;
        flex-direction: row;
        padding: 12px;
        align-items: center;
        justify-content: space-between;
    }

    .sidebar nav {
        display: none;
        /* Mobile nav needs a toggle, simplifying for now */
    }

    .user-mini {
        padding: 0;
        border: none;
        margin: 0;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}