/* CyberShields Endpoint Diagnostics Portal - Premium Dark Glassmorphism Design */
:root {
    --bg-main: #0b0f19;
    --bg-card: rgba(18, 26, 43, 0.75);
    --bg-card-hover: rgba(28, 40, 65, 0.85);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(0, 210, 255, 0.3);
    
    --primary: #00d2ff;
    --primary-glow: rgba(0, 210, 255, 0.25);
    --secondary: #3a86ff;
    
    --status-success: #00e676;
    --status-warning: #ffb300;
    --status-danger: #ff3d00;
    --status-info: #00b0ff;
    
    --text-main: #f0f4f8;
    --text-muted: #8a99ad;
    --font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

body {
    background-color: var(--bg-main);
    background-image: 
        radial-gradient(circle at 15% 15%, rgba(0, 210, 255, 0.08) 0%, transparent 45%),
        radial-gradient(circle at 85% 85%, rgba(58, 134, 255, 0.08) 0%, transparent 45%);
    color: var(--text-main);
    font-family: var(--font-family);
    min-height: 100vh;
    line-height: 1.6;
}

/* Header Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: #fff;
    font-weight: 700;
    font-size: 1.25rem;
}

.brand-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    box-shadow: 0 0 15px var(--primary-glow);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
    background: rgba(0, 210, 255, 0.08);
}

.external-links {
    display: flex;
    gap: 0.5rem;
    margin-left: 1rem;
    padding-left: 1rem;
    border-left: 1px solid var(--border-color);
}

.btn-ext {
    font-size: 0.8rem;
    padding: 0.35rem 0.65rem;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    text-decoration: none;
    transition: 0.2s;
}

.btn-ext:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    border: 1px solid var(--border-color);
}

.avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary);
    color: #000;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

/* Layout */
.container {
    max-width: 1300px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

/* Cards & Grid */
.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 1.5rem;
    transition: all 0.25s ease;
}

.card:hover {
    border-color: var(--border-accent);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.stat-header {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
}

.stat-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}

/* Badges & Semáforo */
.badge {
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.badge-success { background: rgba(0, 230, 118, 0.15); color: var(--status-success); border: 1px solid rgba(0, 230, 118, 0.3); }
.badge-warning { background: rgba(255, 179, 0, 0.15); color: var(--status-warning); border: 1px solid rgba(255, 179, 0, 0.3); }
.badge-danger { background: rgba(255, 61, 0, 0.15); color: var(--status-danger); border: 1px solid rgba(255, 61, 0, 0.3); }
.badge-info { background: rgba(0, 176, 255, 0.15); color: var(--status-info); border: 1px solid rgba(0, 176, 255, 0.3); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.25rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #000;
    font-weight: 700;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    filter: brightness(1.1);
    box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

th {
    background: rgba(255, 255, 255, 0.03);
    padding: 0.85rem 1.25rem;
    color: var(--text-muted);
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 0.9rem 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* Code Blocks */
.code-block {
    background: #060911;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    font-family: Fira