/* ----------  CSS VARIABLES (easy theming)  ---------- */
:root {
    --bg-body: #f0f0f0;
    --bg-box:  #ffffff;
    --primary: #007bff;
    --primary-light: #e6f0ff;
    --text-main: #000000;
    --text-muted: #555555;
    --shadow: 0 0 10px rgba(0, 0, 0, 0.08);
}

/* ----------  GLOBAL RESET & BASICS  ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    background: var(--bg-body);
    color: var(--text-main);
    line-height: 1.4;
}

/* ----------  LAYOUT CONTAINER  ---------- */
.container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 20px;
    background: var(--bg-box);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

/* ----------  HEADER  ---------- */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 12px;
    border-bottom: 1px solid #ddd;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.3rem;
    font-weight: 700;
}

.logo::before {
    content: "";
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--primary);
    margin-right: 10px;
}

.header nav ul {
    list-style: none;
    display: flex;
    gap: 24px;
}

.header nav a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
}

/* ----------  PAGE TITLE & SUBTITLE  ---------- */
h1 {
    font-size: 1.8rem;
    margin: 24px 0 6px;
}

p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

/* ----------  STATS ROW  ---------- */
.stats {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
}

.stat {
    width: 200px;
    background: var(--bg-box);
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    padding: 22px 10px;
    cursor: pointer;
    transition: transform 0.15s;
}

.stat:hover {
    transform: translateY(-3px);
}

.stat .value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 4px;
}

/* ----------  FLEX SECTION (Active Devices & Threats)  ---------- */
.content-flex {
    display: flex;
    flex-direction: row-reverse;   /* Devices left, Threats right */
    justify-content: space-between;
    gap: 20px;
    margin-top: 25px;
}

/* Shared box look */
.box {
    background: var(--bg-box);
    border-radius: 10px;
    padding: 18px;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: transform 0.15s;
}

.box:hover {
    transform: translateY(-3px);
}

/* ----------  DETECTED THREATS  ---------- */
.threats {
    flex: 1;
}

.threat-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
}

.threat-table th,
.threat-table td {
    padding: 10px;
    border-bottom: 1px solid #ddd;
    text-align: left;
    font-size: 0.95rem;
}

.threat-icon {
    color: red;
    font-weight: 700;
    margin-right: 6px;
}

/* ----------  ACTIVE DEVICES  ---------- */
.devices {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    width: 260px;   /* fixed width so pie & legend align */
}

.pie-chart {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: conic-gradient(var(--primary) 0 40%, #ccc 40% 100%);
    position: relative;
    box-shadow: var(--shadow);
}

.pie-center {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 82%;
    height: 82%;
    border-radius: 50%;
    background: var(--bg-box);
    transform: translate(-50%, -50%);
}

.device-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.95rem;
}

.device-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.device-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.blue { background: var(--primary); }
.gray { background: #ccc; }

/* ----------  NETWORK HEALTH, LATEST ALERTS, AI SUMMARY, TRANSPARENCY  ---------- */
.network-health,
.latest-alerts,
.ai-assistant,
.transparency {
    margin-top: 22px;
}

button {
    margin-top: 12px;
    padding: 8px 18px;
    border: none;
    border-radius: 6px;
    background: var(--primary);
    color: #fff;
    cursor: pointer;
    transition: background 0.15s;
}

button:hover {
    background: #0064d1;
}

/* Alert pill */
.alert {
    background: #fff3cd;
    border: 1px solid #ffeeba;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

/* ----------  SNACKBAR  ---------- */
.snackbar {
    visibility: hidden;
    position: fixed;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
    background: #ffc107;
    color: #000;
    padding: 14px 24px;
    border-radius: 4px;
    min-width: 250px;
    text-align: center;
    box-shadow: var(--shadow);
    z-index: 1000;
}

.snackbar.show {
    visibility: visible;
}

/* ----------  RESPONSIVE (≤600 px)  ---------- */
@media (max-width: 600px) {
    .content-flex {
        flex-direction: column;   /* stack boxes */
    }

    .devices {
        width: 100%;
        align-items: center;
    }

    .stats {
        flex-direction: column;
        align-items: center;
    }

    .stat {
        width: 90%;
    }
}
/* Add these to the end of your styles.css file */

/* Loading spinner */
.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Pulse animation */
@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.7; }
    100% { transform: scale(1); opacity: 1; }
}

/* Rotate animation */
@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Alert animations */
.alert {
    animation: slideInUp 0.5s ease-out forwards;
    opacity: 0;
    transform: translateY(20px);
}

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

/* Snackbar variants */
.snackbar.success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.snackbar.warning { background: #fff3cd; color: #856404; border: 1px solid #ffeaa7; }
.snackbar.error { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.snackbar.info { background: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; }

/* Particles */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100px) rotate(360deg); opacity: 0; }
}

/* Enhanced hover transitions */
.box, .stat {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}