styles.css

/* Modern VS Code-like Dark Theme */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #1e1e1e;
    color: #d4d4d4;
    overflow: hidden;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Title Bar */
.title-bar {
    height: 32px;
    background-color: #2d2d30;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 10px;
    -webkit-app-region: drag;
    border-bottom: 1px solid #3e3e42;
}

.title-bar-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo {
    width: 16px;
    height: 16px;
}

.title {
    font-size: 13px;
    font-weight: 500;
}

.title-bar-right {
    display: flex;
    -webkit-app-region: no-drag;
}

.title-bar-btn {
    width: 46px;
    height: 32px;
    border: none;
    background: transparent;
    color: #cccccc;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
}

.title-bar-btn:hover {
    background-color: #3e3e42;
}

.title-bar-btn.close:hover {
    background-color: #c42b1c;
}

/* Main Layout */
.main-container {
    display: flex;
    height: calc(100vh - 32px);
}

/* Sidebar */
.sidebar {
    width: 200px;
    background-color: #252526;
    border-right: 1px solid #3e3e42;
    padding: 10px 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.sidebar-navigation {
    flex: 1;
}

.sidebar-bottom {
    margin-top: auto;
    padding: 10px;
    border-top: 1px solid #3e3e42;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    cursor: pointer;
    transition: background-color 0.2s;
    border-left: 3px solid transparent;
}

.sidebar-item:hover {
    background-color: #2a2d2e;
}

.sidebar-item.active {
    background-color: #37373d;
    border-left-color: #007acc;
}

.sidebar-item .icon {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.sidebar-item span {
    font-size: 13px;
    font-weight: 500;
}

/* Language Switcher */
.language-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
    background-color: transparent;
}

.language-switcher:hover {
    background-color: #2a2d2e;
}

.language-icon {
    width: 24px;
    height: 18px;
    border-radius: 2px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.language-label {
    font-size: 11px;
    font-weight: 600;
    color: #cccccc;
    min-width: 20px;
    text-align: center;
}

/* Main Content */
.main-content {
    flex: 1;
    background-color: #1e1e1e;
    overflow-y: auto;
    padding: 20px;
}

/* Tab Content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.tab-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #3e3e42;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.speed-selector {
    background-color: #3c3c3c;
    border: 1px solid #5a5a5a;
    color: #cccccc;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
}

.speed-selector:focus {
    outline: none;
    border-color: #007acc;
}

.tab-header h2 {
    font-size: 24px;
    font-weight: 600;
    color: #cccccc;
}

.refresh-btn {
    background-color: #0e639c;
    color: white;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: background-color 0.2s;
}

.refresh-btn:hover {
    background-color: #1177bb;
}

.export-btn {
    background-color: #4ec9b0;
    color: white;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: background-color 0.2s;
    margin-left: 10px;
}

.export-btn:hover {
    background-color: #3eb59b;
}

/* Export Dialog */
.export-dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.export-dialog {
    background: #2d2d30;
    border-radius: 8px;
    border: 1px solid #3e3e42;
    min-width: 400px;
    max-width: 500px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.export-dialog-header {
    padding: 20px;
    border-bottom: 1px solid #3e3e42;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.export-dialog-header h3 {
    margin: 0;
    color: #4ec9b0;
    font-size: 18px;
}

.export-dialog-close {
    background: none;
    border: none;
    color: #cccccc;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.export-dialog-close:hover {
    background-color: #404040;
}

.export-dialog-content {
    padding: 20px;
}

.export-dialog-content p {
    color: #cccccc;
    margin-bottom: 20px;
    font-size: 14px;
}

.export-format-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.export-format-btn {
    background: #252526;
    border: 1px solid #3e3e42;
    border-radius: 6px;
    padding: 20px 12px;
    color: #cccccc;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
    font-size: 16px;
    line-height: 1.2;
}

.export-format-btn:hover {
    background: #3e3e42;
    border-color: #4ec9b0;
    transform: translateY(-2px);
}

.export-format-btn small {
    display: block;
    font-size: 11px;
    color: #888;
    margin-top: 4px;
}

/* Action Notification Styles */
.action-notification .notification-action-btn {
    background: #4ec9b0;
    border: none;
    color: white;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    margin-left: 12px;
    transition: background-color 0.2s;
    flex-shrink: 0;
}

.action-notification .notification-action-btn:hover {
    background: #3eb59b;
}

.notification-message {
    flex-grow: 1;
    margin-right: 8px;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

/* Enhanced System Overview Layout */
.system-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

@media (max-width: 1200px) {
    .system-overview {
        grid-template-columns: 1fr;
    }
}

.overview-column {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* Quick Stats Bar */
.quick-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .quick-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

.stat-item {
    background: #2d2d2d;
    border-radius: 8px;
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid #444;
    transition: all 0.3s ease;
}

.stat-item:hover {
    border-color: #007acc;
    transform: translateY(-2px);
}

.stat-icon {
    font-size: 24px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 122, 204, 0.1);
    border-radius: 6px;
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 20px;
    font-weight: bold;
    color: #007acc;
    margin-bottom: 2px;
}

.stat-label {
    font-size: 11px;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Enhanced CPU Card */
.cpu-card {
    background: linear-gradient(135deg, #2d2d2d 0%, #3d3d3d 100%);
}

.cpu-info-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.cpu-main-info {
    display: flex;
    gap: 15px;
    align-items: center;
}

.cpu-chart-container {
    flex: 1;
    max-width: 200px;
}

/* Enhanced Memory Card */
.memory-card {
    background: linear-gradient(135deg, #2d2d2d 0%, #3d3d3d 100%);
}

.memory-info-grid {
    display: flex;
    gap: 15px;
    align-items: center;
}

.memory-chart-container {
    flex: 1;
    max-width: 200px;
}

.memory-stats {
    flex: 1;
}

.memory-bar {
    width: 100%;
    height: 8px;
    background: #1e1e1e;
    border-radius: 4px;
    margin-bottom: 10px;
    overflow: hidden;
}

.memory-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #28ca42, #4ec9b0);
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* Enhanced System Info */
.system-card, .storage-card, .network-card {
    background: linear-gradient(135deg, #2d2d2d 0%, #3d3d3d 100%);
}

.system-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #444;
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    font-weight: 500;
    color: #ccc;
    min-width: 100px;
}

.info-row span:last-child {
    color: #007acc;
    font-family: 'Courier New', monospace;
}

/* Cards */
.card {
    background-color: #252526;
    border: 1px solid #3e3e42;
    border-radius: 6px;
    padding: 20px;
    transition: border-color 0.2s;
}

.card:hover {
    border-color: #007acc;
}

.card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #cccccc;
}

.card.full-width {
    grid-column: 1 / -1;
}

/* Metrics */
.metric {
    text-align: center;
    margin-bottom: 15px;
}

.metric-value {
    font-size: 32px;
    font-weight: 700;
    color: #007acc;
    margin-bottom: 5px;
}

.metric-label {
    font-size: 12px;
    color: #8a8a8a;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric-details {
    font-size: 12px;
    color: #8a8a8a;
    line-height: 1.4;
}

.metric-details div {
    margin-bottom: 3px;
}

/* Charts */
canvas {
    margin-top: 15px;
    border-radius: 4px;
    max-height: 120px !important;
    height: 120px !important;
}

/* Buttons */
.btn {
    background-color: #0e639c;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: background-color 0.2s;
    margin: 5px;
}

.btn:hover {
    background-color: #1177bb;
}

.btn.primary {
    background-color: #007acc;
}

.btn.primary:hover {
    background-color: #1a8cd8;
}

.btn.secondary {
    background-color: #3e3e42;
}

.btn.secondary:hover {
    background-color: #4e4e52;
}

.btn.small {
    padding: 4px 8px;
    font-size: 11px;
}

/* Process List */
.process-list {
    max-height: 300px;
    overflow-y: auto;
}

.process-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #3e3e42;
    font-size: 12px;
}

.process-item:last-child {
    border-bottom: none;
}

.process-name {
    font-weight: 500;
    color: #cccccc;
}

.process-details {
    color: #8a8a8a;
}

/* Disk Info */
.disk-item {
    background-color: #2d2d30;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 10px;
    border: 1px solid #3e3e42;
}

.disk-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.disk-name {
    font-weight: 500;
    color: #cccccc;
    font-size: 12px;
}

.disk-usage {
    font-weight: 600;
    color: #007acc;
    font-size: 12px;
}

.disk-details {
    font-size: 11px;
    color: #8a8a8a;
    margin-bottom: 8px;
    line-height: 1.3;
}

.disk-bar {
    width: 100%;
    height: 6px;
    background-color: #3e3e42;
    border-radius: 3px;
    overflow: hidden;
}

.disk-progress {
    height: 100%;
    background-color: #007acc;
    transition: width 0.3s ease;
}

/* CPU Cores Styling */
.cpu-cores-container {
    margin: 15px 0;
}

.cpu-cores-container h4 {
    margin: 0 0 10px 0;
    color: #8a8a8a;
    font-size: 0.9em;
    font-weight: normal;
}

.cpu-cores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 8px;
    margin-bottom: 15px;
}

.cpu-core-item {
    background: #2d2d30;
    border: 1px solid #3e3e42;
    border-radius: 6px;
    padding: 8px;
    text-align: center;
    transition: all 0.3s ease;
}

.cpu-core-item:hover {
    border-color: #007acc;
    background: #3d3d40;
}

.cpu-core-number {
    font-size: 0.8em;
    color: #8a8a8a;
    margin-bottom: 4px;
}

.cpu-core-usage {
    font-size: 1.1em;
    font-weight: bold;
    color: #4ec9b0;
}

.cpu-core-bar {
    width: 100%;
    height: 4px;
    background: #1e1e1e;
    border-radius: 2px;
    margin-top: 6px;
    overflow: hidden;
}

.cpu-core-progress {
    height: 100%;
    background: linear-gradient(90deg, #007acc, #4ec9b0);
    transition: width 0.3s ease;
}

/* Network Info */
.network-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.network-interface {
    background-color: #2d2d30;
    padding: 10px;
    border-radius: 4px;
    border: 1px solid #3e3e42;
}

.network-interface h4 {
    font-size: 14px;
    margin-bottom: 8px;
    color: #cccccc;
}

.network-details {
    font-size: 11px;
    color: #8a8a8a;
    line-height: 1.3;
}

/* Update Status */
.update-status {
    text-align: center;
    margin-bottom: 15px;
}

.update-count {
    font-size: 18px;
    font-weight: 600;
    color: #007acc;
    margin-bottom: 10px;
    position: relative;
}

.update-count.available {
    color: #ff6b6b;
}

.update-count.current {
    color: #4ec9b0;
}

.update-count.error {
    color: #f44336;
}

.sync-info {
    font-size: 0.8em;
    color: #8a8a8a;
    font-weight: normal;
    margin-top: 5px;
}

.update-list {
    max-height: 200px;
    overflow-y: auto;
    font-size: 11px;
}

.update-item {
    padding: 10px;
    border-bottom: 1px solid #3e3e42;
    color: #8a8a8a;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s;
}

.update-item:hover {
    background-color: #2a2d2e;
}

.package-name {
    font-weight: bold;
    color: #4ec9b0;
}

.package-versions {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85em;
}

.current-version {
    color: #8a8a8a;
}

.arrow {
    color: #007acc;
    font-weight: bold;
}

.new-version {
    color: #ff6b6b;
    font-weight: bold;
}

.no-updates {
    text-align: center;
    padding: 20px;
    color: #4ec9b0;
    font-style: italic;
}

/* Update Progress Styles */
.update-progress {
    background: #2a2d2e;
    border-radius: 8px;
    padding: 15px;
    margin: 10px 0;
}

.progress-text {
    font-size: 16px;
    font-weight: 600;
    color: #007acc;
    margin-bottom: 10px;
    text-align: center;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #1e1e1e;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #007acc, #4ec9b0);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 4px;
}

.progress-status {
    font-size: 12px;
    color: #8a8a8a;
    text-align: center;
}

/* Update Success/Error Styles */
.update-success {
    background: #1e3a1e;
    border: 1px solid #4ec9b0;
    border-radius: 8px;
    padding: 15px;
    margin: 10px 0;
}

.success-message {
    font-size: 16px;
    font-weight: 600;
    color: #4ec9b0;
    margin-bottom: 10px;
    text-align: center;
}

.reboot-notice {
    text-align: center;
    margin-top: 15px;
}

.reboot-notice p {
    color: #8a8a8a;
    margin-bottom: 15px;
    font-size: 14px;
}

.reboot-button {
    background: #ff6b6b;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    margin-right: 10px;
    transition: background-color 0.2s;
}

.reboot-button:hover {
    background: #ff5252;
}

.reboot-later {
    background: #3e3e42;
    color: #8a8a8a;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.2s;
}

.reboot-later:hover {
    background: #4a4a4e;
    color: #ffffff;
}

.update-error {
    background: #3a1e1e;
    border: 1px solid #ff6b6b;
    border-radius: 8px;
    padding: 15px;
    margin: 10px 0;
}

.error-message {
    font-size: 16px;
    font-weight: 600;
    color: #ff6b6b;
    margin-bottom: 10px;
    text-align: center;
}

.error-details {
    color: #8a8a8a;
    font-size: 14px;
    margin-bottom: 15px;
    text-align: center;
    word-break: break-word;
}

.retry-button {
    background: #007acc;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    display: block;
    margin: 0 auto;
    transition: background-color 0.2s;
}

.retry-button:hover {
    background: #005a9e;
}

/* Package Search and Installation */
.package-search {
    margin-bottom: 15px;
}

.search-input-container {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.search-input-container input {
    flex: 1;
    background-color: #3c3c3c;
    border: 1px solid #5a5a5a;
    color: #cccccc;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 12px;
}

.search-input-container input:focus {
    outline: none;
    border-color: #007acc;
}

.package-suggestions {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid #5a5a5a;
    border-radius: 4px;
    background-color: #3c3c3c;
}

.package-suggestion {
    padding: 10px;
    border-bottom: 1px solid #5a5a5a;
    cursor: pointer;
    transition: background-color 0.2s;
}

.package-suggestion:last-child {
    border-bottom: none;
}

.package-suggestion:hover {
    background-color: #4a4a4a;
}

.package-name {
    font-weight: bold;
    color: #007acc;
    margin-bottom: 2px;
}

.package-version {
    font-size: 11px;
    color: #888;
    margin-bottom: 4px;
}

.package-description {
    font-size: 11px;
    color: #cccccc;
    margin-bottom: 6px;
}

.package-source {
    display: inline-block;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 3px;
    text-transform: uppercase;
}

.package-source.official {
    background-color: #0f5132;
    color: #75b798;
}

.package-source.aur {
    background-color: #664d03;
    color: #ffda6a;
}

.no-packages-found {
    padding: 20px;
    text-align: center;
    color: #888;
    font-style: italic;
}

/* Legacy support for old package-install class */
.package-install {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.package-install input {
    flex: 1;
    background-color: #3c3c3c;
    border: 1px solid #5a5a5a;
    color: #cccccc;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 12px;
}

.package-install input:focus {
    outline: none;
    border-color: #007acc;
}

.install-status {
    font-size: 11px;
    padding: 8px;
    border-radius: 4px;
    margin-top: 10px;
}

.install-status.success {
    background-color: #0f5132;
    color: #75b798;
}

.install-status.error {
    background-color: #842029;
    color: #f5c2c7;
}

/* Package Installation Progress */
.package-progress {
    margin-top: 15px;
    padding: 15px;
    background-color: #2d2d2d;
    border-radius: 6px;
    border: 1px solid #5a5a5a;
}

.package-progress-text {
    font-size: 14px;
    font-weight: 600;
    color: #007acc;
    margin-bottom: 10px;
    text-align: center;
}

.package-progress-bar {
    width: 100%;
    height: 8px;
    background: #1e1e1e;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
}

.package-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #007acc, #4ec9b0);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 4px;
}

.package-progress-status {
    font-size: 12px;
    color: #8a8a8a;
    text-align: center;
}

/* Notifications */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #2d2d2d;
    color: white;
    padding: 12px 20px;
    border-radius: 6px;
    border-left: 4px solid #007acc;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    transform: translateX(400px);
    transition: transform 0.3s ease;
    z-index: 10000;
    max-width: 300px;
    word-wrap: break-word;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    border-left-color: #28ca42;
    background: #0f5132;
}

.notification.error {
    border-left-color: #dc3545;
    background: #842029;
}

.notification.info {
    border-left-color: #007acc;
}

/* Terminal Improvements */
.terminal-line.loading .output {
    color: #ffc107;
    font-style: italic;
}

.terminal-line .output.error {
    color: #f5c2c7;
}

.terminal-line .output {
    color: #e9ecef;
    white-space: pre-wrap;
}

/* Services */
.services-list {
    max-height: 200px;
    overflow-y: auto;
}

.service-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #3e3e42;
    font-size: 11px;
}

.service-name {
    font-weight: 500;
    color: #cccccc;
}

.service-status {
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 10px;
}

.service-status.active {
    background-color: #0f5132;
    color: #75b798;
}

.service-status.inactive {
    background-color: #842029;
    color: #f5c2c7;
}

/* Firewall */
.firewall-status {
    text-align: center;
}

.status-indicator {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    padding: 10px;
    border-radius: 4px;
}

.status-indicator.active {
    background-color: #0f5132;
    color: #75b798;
}

.status-indicator.inactive {
    background-color: #842029;
    color: #f5c2c7;
}

/* Quick Tools */
.quick-tools {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
}

.tool-btn {
    background-color: #2d2d30;
    color: #cccccc;
    border: 1px solid #3e3e42;
    padding: 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s;
}

.tool-btn:hover {
    background-color: #3e3e42;
    border-color: #007acc;
}

/* Learning Section */
.command-of-day {
    text-align: center;
    margin-bottom: 15px;
}

.command {
    background-color: #2d2d30;
    color: #cccccc;
    padding: 10px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    margin-bottom: 10px;
    border: 1px solid #3e3e42;
}

.command-explanation {
    font-size: 12px;
    color: #8a8a8a;
    margin-bottom: 15px;
    line-height: 1.4;
}

.problems-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.problem-item {
    background-color: #2d2d30;
    padding: 15px;
    border-radius: 4px;
    border: 1px solid #3e3e42;
}

.problem-item h4 {
    font-size: 14px;
    margin-bottom: 8px;
    color: #cccccc;
}

.problem-item p {
    font-size: 11px;
    color: #8a8a8a;
    margin-bottom: 10px;
    line-height: 1.3;
}

.tutorials-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.tutorial-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px;
    background-color: #2d2d30;
    color: #007acc;
    text-decoration: none;
    border-radius: 4px;
    font-size: 12px;
    transition: background-color 0.2s;
}

.tutorial-link:hover {
    background-color: #3e3e42;
}

.tips-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.tip {
    background-color: #2d2d30;
    padding: 10px;
    border-radius: 4px;
    font-size: 11px;
    line-height: 1.3;
}

.tip strong {
    color: #007acc;
}

/* Terminal */
.terminal-container {
    background-color: #1e1e1e;
    border: 1px solid #3e3e42;
    border-radius: 6px;
    overflow: hidden;
}

.terminal-header {
    background-color: #2d2d30;
    padding: 8px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #3e3e42;
}

.terminal-title {
    font-size: 12px;
    color: #cccccc;
}

.terminal-buttons {
    display: flex;
    gap: 5px;
}

.terminal-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8px;
    color: #cccccc;
}

.terminal-btn.minimize {
    background-color: #ffbd2e;
}

.terminal-btn.maximize {
    background-color: #28ca42;
}

.terminal-btn.close {
    background-color: #ff5f56;
}

.terminal-body {
    padding: 15px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.4;
    min-height: 400px;
    max-height: 500px;
    overflow-y: auto;
}

.terminal-line {
    display: flex;
    margin-bottom: 5px;
}

.prompt {
    color: #28ca42;
    margin-right: 10px;
}

.command {
    color: #cccccc;
    outline: none;
    flex: 1;
}

.command:focus {
    outline: none;
}

/* Scrollbars */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1e1e1e;
}

::-webkit-scrollbar-thumb {
    background: #3e3e42;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #5a5a5a;
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        width: 150px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .main-content {
        padding: 15px;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.card {
    animation: fadeIn 0.3s ease-out;
}

/* Error Notifications */
.error-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(244, 67, 54, 0.95);
    color: white;
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 9999;
    max-width: 400px;
    animation: slideIn 0.3s ease-out;
    backdrop-filter: blur(5px);
}

.error-notification .error-message {
    margin-bottom: 10px;
    font-size: 14px;
}

.error-notification .retry-button {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    color: white;
    cursor: pointer;
    font-size: 12px;
    transition: background-color 0.2s;
}

.error-notification .retry-button:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #007acc;
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Security Features */
.security-overview, .security-actions, .security-logs {
    background: linear-gradient(135deg, #2d2d2d 0%, #3d3d3d 100%);
    border: 1px solid #444;
}

.security-metrics {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.security-metric {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    background: #1e1e1e;
    border-radius: 6px;
    border: 1px solid #444;
    transition: all 0.3s ease;
}

.security-metric:hover {
    border-color: #007acc;
    transform: translateY(-1px);
}

.security-metric .metric-icon {
    font-size: 24px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 122, 204, 0.1);
    border-radius: 6px;
}

.security-metric .metric-info {
    flex: 1;
}

.security-metric .metric-title {
    font-size: 12px;
    color: #8a8a8a;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.security-metric .metric-value {
    font-size: 14px;
    font-weight: bold;
    color: #007acc;
}

.security-metric .metric-value.secure {
    color: #28ca42;
}

.security-metric .metric-value.warning {
    color: #ffc107;
}

.security-metric .metric-value.danger {
    color: #dc3545;
}

/* Enhanced Security Action Cards - Sleeker Design */
.security-action-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.security-action-card {
    background: linear-gradient(135deg, #252526 0%, #2d2d30 100%);
    border: 1px solid #3e3e42;
    border-radius: 8px;
    padding: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 64px;
}

.security-action-card:hover {
    transform: translateY(-3px);
    border-color: #007acc;
    box-shadow: 0 8px 25px rgba(0, 122, 204, 0.2);
}

.security-action-card.active {
    border-color: #28a745;
    background: linear-gradient(135deg, #1a3d1a 0%, #2a4d2a 100%);
}

.security-action-card.running {
    border-color: #ffc107;
    background: linear-gradient(135deg, #3d3d1a 0%, #4d4d2a 100%);
    animation: pulse-security 2s infinite;
}

.security-action-card.error {
    border-color: #dc3545;
    background: linear-gradient(135deg, #3d1a1a 0%, #4d2a2a 100%);
}

@keyframes pulse-security {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.action-icon {
    font-size: 20px;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.action-icon.safety {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
}

.action-icon.intermediate {
    background: linear-gradient(135deg, #007acc, #17a2b8);
    color: white;
}

.action-icon.advanced {
    background: linear-gradient(135deg, #6f42c1, #e83e8c);
    color: white;
}

.action-content {
    flex: 1;
    min-width: 0;
}

.action-title {
    font-size: 14px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 2px;
    line-height: 1.2;
}

.action-description {
    font-size: 11px;
    color: #969696;
    line-height: 1.3;
    margin-bottom: 4px;
}

.action-level {
    font-size: 9px;
    font-weight: 500;
    padding: 1px 6px;
    border-radius: 8px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    display: inline-block;
}

.action-level.beginner {
    background: #28a745;
    color: white;
}

.action-level.intermediate {
    background: #007acc;
    color: white;
}

.action-level.advanced {
    background: #6f42c1;
    color: white;
}

.action-status {
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: 9px;
    padding: 2px 6px;
    border-radius: 4px;
    background: #3e3e42;
    color: #cccccc;
    font-weight: 500;
}

.action-status.success {
    background: #28a745;
    color: white;
}

.action-status.running {
    background: #ffc107;
    color: #333;
}

.action-status.error {
    background: #dc3545;
    color: white;
}

/* Security Quick Actions */
.security-quick-actions {
    border-top: 1px solid #444;
    padding-top: 15px;
    text-align: center;
}

.security-all-btn {
    font-size: 16px;
    font-weight: 600;
    padding: 14px 24px;
    border-radius: 10px;
    min-width: 250px;
}

.security-progress {
    margin-top: 15px;
    text-align: left;
}

.progress-bar {
    background: #333;
    border-radius: 8px;
    height: 8px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    background: linear-gradient(90deg, #28a745, #20c997);
    height: 100%;
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 8px;
}

.progress-text {
    font-size: 13px;
    color: #b3b3b3;
    text-align: center;
}

/* Security Summary Results */
.security-summary {
    margin-top: 20px;
    background: linear-gradient(135deg, #1e1e1e 0%, #252526 100%);
    border: 1px solid #3e3e42;
    border-radius: 8px;
    padding: 16px;
}

.summary-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid #3e3e42;
}

.summary-header h4 {
    font-size: 14px;
    font-weight: 600;
    color: #cccccc;
    margin: 0;
}

.summary-score {
    font-size: 18px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 12px;
    color: white;
    background: linear-gradient(135deg, #28a745, #20c997);
}

.summary-score.medium {
    background: linear-gradient(135deg, #ffc107, #fd7e14);
    color: #333;
}

.summary-score.low {
    background: linear-gradient(135deg, #dc3545, #e83e8c);
}

.summary-content {
    margin-bottom: 12px;
}

.summary-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    border-bottom: 1px solid #2d2d30;
}

.summary-item:last-child {
    border-bottom: none;
}

.summary-icon {
    font-size: 14px;
    width: 20px;
    text-align: center;
}

.summary-icon.success { color: #28a745; }
.summary-icon.warning { color: #ffc107; }
.summary-icon.error { color: #dc3545; }

.summary-text {
    flex: 1;
    font-size: 12px;
    color: #cccccc;
}

.summary-recommendations {
    padding-top: 12px;
    border-top: 1px solid #3e3e42;
}

.recommendation-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 4px 0;
    font-size: 11px;
    color: #b3b3b3;
    line-height: 1.4;
}

.recommendation-icon {
    font-size: 12px;
    color: #007acc;
    margin-top: 2px;
}

/* Legacy buttons for compatibility */
.security-buttons {
    display: none; /* Hide old button layout */
}

.security-events {
    max-height: 300px;
    overflow-y: auto;
}

.security-event {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid #3e3e42;
    font-size: 12px;
}

.security-event:last-child {
    border-bottom: none;
}

.security-event-icon {
    font-size: 16px;
    width: 24px;
    text-align: center;
}

.security-event-content {
    flex: 1;
}

.security-event-time {
    color: #8a8a8a;
    font-size: 11px;
}

.security-event-message {
    color: #cccccc;
    margin-top: 2px;
}

.security-event.info .security-event-icon {
    color: #007acc;
}

.security-event.success .security-event-icon {
    color: #28ca42;
}

.security-event.warning .security-event-icon {
    color: #ffc107;
}

.security-event.error .security-event-icon {
    color: #dc3545;
}

.loading-message {
    text-align: center;
    color: #8a8a8a;
    padding: 20px;
    font-style: italic;
}

/* Security Card Headers */
.security-overview h4,
.security-actions h4,
.security-logs h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #cccccc;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Temperature & Sensors */
.temperature-card {
    background: linear-gradient(135deg, #2d2d2d 0%, #3d3d3d 100%);
}

.temperature-card h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #cccccc;
    display: flex;
    align-items: center;
    gap: 8px;
}

.temperature-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.temp-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    background: #1e1e1e;
    border-radius: 6px;
    border: 1px solid #444;
    transition: all 0.3s ease;
}

.temp-item:hover {
    border-color: #007acc;
    transform: translateY(-1px);
}

.temp-item .temp-icon {
    font-size: 20px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 165, 0, 0.1);
    border-radius: 6px;
}

.temp-item .temp-info {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.temp-item .temp-label {
    font-size: 12px;
    color: #8a8a8a;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.temp-item .temp-value {
    font-size: 14px;
    font-weight: bold;
    color: #ffa500;
}

.temp-item .temp-value.normal {
    color: #28ca42;
}

.temp-item .temp-value.warning {
    color: #ffc107;
}

.temp-item .temp-value.critical {
    color: #dc3545;
}