/* How Internet Works Page - Mobile First */

.content-section ul,
.content-section ol {
    margin: 1rem 0 1rem 1.5rem;
}

.content-section li {
    margin-bottom: 0.8rem;
    line-height: 1.7;
}

.content-section strong {
    color: var(--color-accent);
}

.content-section code {
    background: var(--color-overlay-88);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: var(--color-accent);
}

/* Packet Simulator - Mobile First */
.packet-simulator {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.network-map {
    position: relative;
    min-height: 600px;
    background: var(--color-overlay-63);
    border: 2px solid var(--color-dark-tan);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    overflow: hidden;
}

@media (min-width: 768px) {
    .network-map {
        min-height: 400px;
    }
}

.network-node {
    position: absolute;
    background: var(--color-overlay-80);
    border: 2px solid var(--color-accent);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    text-align: center;
    min-width: 120px;
    transition: all 0.3s ease;
}

.network-node:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(177, 153, 119, 0.5);
}

.node-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.node-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 0.3rem;
}

.node-ip {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--color-tan);
}

/* Mobile Layout - Stacked */
.source-node { top: 20px; left: 50%; transform: translateX(-50%); }
.network-node#router1 { top: 120px; left: 50%; transform: translateX(-50%); }
.network-node#router2 { top: 220px; left: 50%; transform: translateX(-50%); }
.network-node#router3 { top: 320px; left: 50%; transform: translateX(-50%); }
.dest-node { top: 420px; left: 50%; transform: translateX(-50%); }

/* Desktop Layout - Horizontal */
@media (min-width: 768px) {
    .source-node { top: 50%; left: 5%; transform: translateY(-50%); }
    .network-node#router1 { top: 50%; left: 22%; transform: translateY(-50%); }
    .network-node#router2 { top: 50%; left: 39%; transform: translateY(-50%); }
    .network-node#router3 { top: 50%; left: 56%; transform: translateY(-50%); }
    .dest-node { top: 50%; left: 73%; transform: translateY(-50%); }
}

.packet {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent);
    border: 2px solid var(--color-white);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    opacity: 0;
    transition: all 0.8s ease;
    z-index: 10;
}

.packet.traveling {
    opacity: 1;
}

@media (min-width: 768px) {
    .packet {
        top: 50%;
        left: 5%;
        transform: translate(-50%, -50%);
    }
}

.connection-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.connection-line {
    stroke: var(--color-accent);
    stroke-width: 2;
    stroke-dasharray: 5, 5;
    opacity: 0.3;
}

/* Packet Controls */
.packet-controls {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.primary-btn, .secondary-btn {
    flex: 1;
    min-width: 150px;
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
}

.primary-btn {
    background: var(--color-accent);
    color: var(--color-black);
}

.primary-btn:hover {
    background: var(--color-white);
    transform: scale(1.05);
}

.secondary-btn {
    background: var(--color-overlay-80);
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
}

.secondary-btn:hover {
    background: var(--color-accent);
    color: var(--color-black);
}

/* Packet Log */
.packet-log {
    background: var(--color-overlay-80);
    border: 2px solid var(--color-dark-tan);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
}

.packet-log h4 {
    font-family: var(--font-display);
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.log-entries {
    max-height: 200px;
    overflow-y: auto;
}

.log-entry {
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    background: var(--color-overlay-63);
    border-left: 3px solid var(--color-accent);
    border-radius: 4px;
    font-size: 0.9rem;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.log-placeholder {
    color: var(--color-tan);
    text-align: center;
    padding: var(--spacing-md);
}

/* Network Tabs */
.network-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.tab-btn {
    flex: 1;
    padding: 1rem;
    background: var(--color-overlay-63);
    border: 2px solid var(--color-dark-tan);
    border-radius: 8px;
    color: var(--color-light-tan);
    font-family: var(--font-display);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn:hover {
    border-color: var(--color-accent);
}

.tab-btn.active {
    background: var(--color-accent);
    color: var(--color-black);
    border-color: var(--color-accent);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Network Diagrams */
.network-diagram {
    background: var(--color-overlay-63);
    border: 2px solid var(--color-dark-tan);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.diagram-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--color-accent);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
}

/* LAN Visual */
.lan-visual {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    position: relative;
}

@media (min-width: 768px) {
    .lan-visual {
        grid-template-columns: repeat(2, 1fr);
    }
}

.lan-device {
    background: var(--color-overlay-80);
    border: 2px solid var(--color-accent);
    border-radius: 8px;
    padding: var(--spacing-md);
    text-align: center;
}

.router-center {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, var(--color-overlay-80), rgba(177, 153, 119, 0.2));
    border: 3px solid var(--color-accent);
    box-shadow: 0 0 20px rgba(177, 153, 119, 0.3);
}

.device-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.device-name {
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 0.3rem;
}

.device-ip {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--color-tan);
}

/* WAN Visual */
.wan-visual {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
}

@media (min-width: 768px) {
    .wan-visual {
        grid-template-columns: repeat(3, 1fr);
    }
}

.wan-region {
    text-align: center;
}

.region-label {
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.wan-node {
    font-size: 3rem;
    padding: var(--spacing-md);
    background: var(--color-overlay-80);
    border: 2px solid var(--color-dark-tan);
    border-radius: 50%;
    display: inline-block;
    transition: var(--transition);
}

.wan-node:hover {
    transform: scale(1.1);
    border-color: var(--color-accent);
    box-shadow: 0 0 20px rgba(177, 153, 119, 0.5);
}

/* Network Specs */
.network-specs {
    background: var(--color-overlay-80);
    border: 2px solid var(--color-accent);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
}

.network-specs h4 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.network-specs ul {
    margin: 0;
    padding-left: 1.5rem;
}

.network-specs li {
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

/* Permissions Tool */
.permissions-tool {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.permissions-display {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .permissions-display {
        grid-template-columns: repeat(2, 1fr);
    }
}

.permission-format {
    background: var(--color-overlay-63);
    border: 2px solid var(--color-dark-tan);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: center;
}

.permission-format h4 {
    font-family: var(--font-display);
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.symbolic-display, .numeric-display {
    font-family: 'Courier New', monospace;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    padding: var(--spacing-md);
    background: var(--color-overlay-88);
    border-radius: 8px;
    letter-spacing: 0.5rem;
}

.numeric-display {
    letter-spacing: 1rem;
}

/* Permissions Grid */
.permissions-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .permissions-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.permission-section {
    background: var(--color-overlay-63);
    border: 2px solid var(--color-dark-tan);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
}

.permission-section h4 {
    font-family: var(--font-display);
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.permission-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
}

.permission-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.permission-checkbox span {
    font-size: 1rem;
    color: var(--color-light-tan);
}

/* Command Display */
.command-display {
    background: var(--color-black);
    border: 2px solid var(--color-accent);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
}

.command-display h4 {
    font-family: var(--font-display);
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.terminal-command {
    background: #000;
    padding: var(--spacing-md);
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    color: #0f0;
    font-size: 1.1rem;
}

.terminal-command code {
    background: transparent;
    color: #0f0;
    padding: 0;
}

.terminal-command #chmodValue {
    color: var(--color-accent);
    font-weight: 700;
}

/* Permission Examples */
.permission-examples {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
}

@media (min-width: 768px) {
    .permission-examples {
        grid-template-columns: repeat(2, 1fr);
    }
}

.permission-examples h4 {
    grid-column: 1 / -1;
    font-family: var(--font-display);
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.example-btn {
    padding: var(--spacing-md);
    background: var(--color-overlay-80);
    border: 2px solid var(--color-dark-tan);
    border-radius: 8px;
    color: var(--color-light-tan);
    font-family: 'Courier New', monospace;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
}

.example-btn:hover {
    border-color: var(--color-accent);
    background: var(--color-accent);
    color: var(--color-black);
}

/* Security Warning */
.security-warning {
    background: rgba(255, 107, 107, 0.2);
    border: 2px solid #ff6b6b;
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    animation: slideIn 0.3s ease;
}

.security-warning strong {
    color: #ff6b6b;
    display: block;
    margin-bottom: 0.5rem;
}

.security-warning p {
    margin: 0;
    line-height: 1.6;
}