/* 
 * Cyber Threat Intelligence Dashboard
 * Main Stylesheet
 */

/* ===== Variables ===== */
:root {
    /* Dark Mode Colors (Default) */
    --primary-bg: #0a1929;
    --secondary-bg: #0d2137;
    --card-bg: #102a43;
    --header-bg: rgba(10, 25, 41, 0.95);
    --border-color: #1e4976;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --accent-color: #ff8800;
    --accent-color-alt: #00b8d4;
    --danger-color: #ff4d4f;
    --warning-color: #faad14;
    --success-color: #52c41a;
    --info-color: #1890ff;
    
    /* Threat Level Colors */
    --threat-critical: #ff4d4f;
    --threat-high: #fa8c16;
    --threat-medium: #faad14;
    --threat-low: #52c41a;
    --threat-info: #1890ff;
    
    /* UI Elements */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.3);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Layout */
    --header-height: 70px;
    --footer-height: 50px;
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 70px;
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
}

/* Light Mode Colors */
body.light-mode {
    --primary-bg: #f0f2f5;
    --secondary-bg: #ffffff;
    --card-bg: #ffffff;
    --header-bg: rgba(255, 255, 255, 0.95);
    --border-color: #d9d9d9;
    --text-primary: #000000;
    --text-secondary: #595959;
    --accent-color: #0050b3;
    --accent-color-alt: #096dd9;
}

/* ===== Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto Mono', monospace;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Orbitron', sans-serif;
    margin-bottom: 1rem;
    line-height: 1.3;
}

a {
    text-decoration: none;
    color: var(--accent-color);
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-color-alt);
}

button {
    cursor: pointer;
    font-family: 'Roboto Mono', monospace;
    border: none;
    background: none;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

input, select, textarea {
    font-family: 'Roboto Mono', monospace;
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(0, 229, 255, 0.2);
}

ul, ol {
    list-style: none;
}

/* ===== Cyber Background ===== */
.cyber-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(to right, rgba(30, 73, 118, 0.1) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(30, 73, 118, 0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.5;
}

.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ===== Header ===== */
.dashboard-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    z-index: 100;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-normal);
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo {
    width: 40px;
    height: 40px;
    background-color: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: var(--primary-bg);
    font-size: 1.2rem;
    box-shadow: 0 0 15px var(--accent-color);
}

.dashboard-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
    background: linear-gradient(90deg, var(--text-primary) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 10px rgba(0, 229, 255, 0.3);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 20px;
}

.threat-level {
    display: flex;
    align-items: center;
    gap: 10px;
}

.threat-level-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.threat-indicator {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    border-radius: var(--border-radius-sm);
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
}

.threat-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.threat-dot.critical { background-color: var(--threat-critical); box-shadow: 0 0 10px var(--threat-critical); }
.threat-dot.high { background-color: var(--threat-high); box-shadow: 0 0 10px var(--threat-high); }
.threat-dot.medium { background-color: var(--threat-medium); box-shadow: 0 0 10px var(--threat-medium); }
.threat-dot.low { background-color: var(--threat-low); box-shadow: 0 0 10px var(--threat-low); }
.threat-dot.info { background-color: var(--threat-info); box-shadow: 0 0 10px var(--threat-info); }

.threat-text {
    font-size: 0.85rem;
    font-weight: 700;
}

.time-container {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.digital-clock {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--accent-color);
}

.last-updated {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.control-buttons {
    display: flex;
    gap: 10px;
}

.theme-toggle, .settings-button {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.theme-toggle:hover, .settings-button:hover {
    background-color: var(--accent-color);
    color: var(--primary-bg);
    transform: translateY(-2px);
}

/* ===== Dashboard Container ===== */
.dashboard-container {
    display: flex;
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height) - var(--footer-height));
    transition: margin-left var(--transition-normal);
}

/* ===== Sidebar ===== */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--secondary-bg);
    border-right: 1px solid var(--border-color);
    padding: 20px 0;
    height: calc(100vh - var(--header-height) - var(--footer-height));
    position: fixed;
    top: var(--header-height);
    left: 0;
    overflow-y: auto;
    transition: width var(--transition-normal), transform var(--transition-normal);
    z-index: 90;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px 15px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 15px;
}

.sidebar-header h2 {
    font-size: 1.2rem;
    margin-bottom: 0;
}

.sidebar-toggle {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.8rem;
    transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
    background-color: var(--accent-color);
    color: var(--primary-bg);
}

.sidebar.collapsed .sidebar-toggle i {
    transform: rotate(180deg);
}

.category-filters {
    padding: 0 15px;
    margin-bottom: 20px;
}

.category-item {
    display: flex;
    align-items: center;
    padding: 10px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 5px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.category-item:hover {
    background-color: rgba(0, 229, 255, 0.1);
}

.category-item.active {
    background-color: rgba(0, 229, 255, 0.2);
    border-left: 3px solid var(--accent-color);
}

.category-item i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
    color: var(--accent-color);
}

.category-item .count {
    margin-left: auto;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
}

.sidebar-section {
    padding: 15px;
    border-top: 1px solid var(--border-color);
    margin-top: 15px;
}

.sidebar-section h3 {
    font-size: 1rem;
    margin-bottom: 15px;
    color: var(--accent-color);
}

.threat-stats {
    height: 200px;
    position: relative;
}

.activity-timeline {
    max-height: 200px;
    overflow-y: auto;
}

.quick-filters {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.filter-button {
    padding: 8px;
    border-radius: var(--border-radius-sm);
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    font-size: 0.85rem;
    transition: all var(--transition-fast);
}

.filter-button:hover {
    background-color: var(--accent-color);
    color: var(--primary-bg);
}

.filter-button i {
    font-size: 0.8rem;
}

/* ===== Main Content ===== */
.main-content {
    flex: 1;
    padding: 20px;
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-normal);
}

.sidebar.collapsed ~ .main-content {
    margin-left: var(--sidebar-collapsed-width);
}

.control-panel {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    background-color: var(--secondary-bg);
    padding: 15px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}

.search-container {
    display: flex;
    align-items: center;
    flex: 1;
    max-width: 500px;
}

.search-input {
    flex: 1;
    padding: 10px 15px;
    border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
    border-right: none;
    background-color: rgba(0, 0, 0, 0.2);
}

.search-button {
    padding: 10px 15px;
    background-color: var(--accent-color);
    color: var(--primary-bg);
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

.feed-controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

.view-options {
    display: flex;
    gap: 5px;
}

.view-button {
    width: 36px;
    height: 36px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
}

.view-button.active {
    background-color: var(--accent-color);
    color: var(--primary-bg);
}

.sort-select {
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
}

.refresh-button {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.refresh-button:hover {
    background-color: var(--accent-color);
    color: var(--primary-bg);
    transform: rotate(180deg);
}

.refresh-button.loading {
    animation: spin 1s linear infinite;
}

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

.feeds-container {
    background-color: var(--secondary-bg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.feeds-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}

.feeds-header h2 {
    font-size: 1.2rem;
    margin-bottom: 0;
}

.feeds-stats {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 50px 0;
    display: none;
}

.cyber-spinner {
    width: 60px;
    height: 60px;
    position: relative;
    margin-bottom: 20px;
}

.spinner-inner {
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-inner::before, .spinner-inner::after {
    content: '';
    position: absolute;
    border: 3px solid transparent;
    border-radius: 50%;
}

.spinner-inner::before {
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border-top-color: var(--accent-color-alt);
    animation: spin 2s linear infinite;
}

.spinner-inner::after {
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    border-top-color: var(--info-color);
    animation: spin 3s linear infinite;
}

.loading-text {
    font-size: 1rem;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.feed-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
    padding: 20px;
}

.main-content.list-view .feed-items {
    grid-template-columns: 1fr;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 50px 0;
    text-align: center;
    display: none;
}

.empty-state i {
    font-size: 3rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.empty-state p {
    color: var(--text-secondary);
    max-width: 400px;
    margin-bottom: 20px;
}

.btn-primary {
    padding: 10px 20px;
    background-color: var(--accent-color);
    color: var(--primary-bg);
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.btn-primary:hover {
    background-color: var(--accent-color-alt);
    transform: translateY(-2px);
}

/* Feed Item Styles */
.feed-item {
    background-color: var(--card-bg);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
}

.feed-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-color);
}

.feed-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(0, 0, 0, 0.2);
}

.source-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.source-icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-bg);
}

.source-name {
    font-size: 0.85rem;
    font-weight: 500;
}

.feed-severity {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 3px 8px;
    border-radius: var(--border-radius-sm);
    background-color: rgba(0, 0, 0, 0.3);
    font-size: 0.75rem;
}

.severity-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.severity-critical { background-color: var(--threat-critical); }
.severity-high { background-color: var(--threat-high); }
.severity-medium { background-color: var(--threat-medium); }
.severity-low { background-color: var(--threat-low); }
.severity-info { background-color: var(--threat-info); }

.feed-content {
    padding: 15px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.feed-title {
    font-size: 1.1rem;
    margin-bottom: 10px;
    line-height: 1.4;
}

.feed-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    flex: 1;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.feed-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
}

.feed-timestamp {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 5px;
}

.feed-actions {
    display: flex;
    gap: 10px;
}

.action-button {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.2);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.action-button:hover {
    background-color: var(--accent-color);
    color: var(--primary-bg);
    transform: translateY(-2px);
}

/* ===== Footer ===== */
.dashboard-footer {
    background-color: var(--secondary-bg);
    border-top: 1px solid var(--border-color);
    padding: 0 20px;
    height: var(--footer-height);
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.footer-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.copyright {
    margin-top: 5px;
    font-size: 0.8rem;
    color: var(--accent-color);
}

.footer-controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-button {
    padding: 5px 10px;
    border-radius: var(--border-radius-sm);
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.footer-button:hover {
    background-color: var(--accent-color);
    color: var(--primary-bg);
}

.version {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ===== Modal ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--secondary-bg);
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: translateY(-50px);
    transition: transform var(--transition-normal);
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 1.5rem;
    margin-bottom: 0;
}

.close-button {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.2);
    color: var(--text-primary);
    font-size: 1.2rem;
    transition: all var(--transition-fast);
}

.close-button:hover {
    background-color: var(--danger-color);
    color: white;
}

.modal-body {
    padding: 20px;
}

.settings-section {
    margin-bottom: 30px;
}

.settings-section h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--accent-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 5px;
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.setting-item label {
    font-weight: 500;
}

.settings-select {
    width: 200px;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.2);
    transition: var(--transition-fast);
    border-radius: 34px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--transition-fast);
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: var(--accent-color);
}

input:checked + .toggle-slider:before {
    transform: translateX(26px);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 15px 20px;
    border-top: 1px solid var(--border-color);
}

.btn-secondary {
    padding: 10px 20px;
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background-color: rgba(0, 0, 0, 0.3);
}

/* ===== Responsive Styles ===== */
@media (max-width: 1200px) {
    .feed-items {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
        box-shadow: var(--shadow-md);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .sidebar.collapsed ~ .main-content {
        margin-left: 0;
    }
    
    .dashboard-header {
        padding: 0 15px;
    }
    
    .header-controls {
        gap: 10px;
    }
    
    .threat-level-label {
        display: none;
    }
    
    .dashboard-title {
        font-size: 1.2rem;
    }
}

@media (max-width: 768px) {
    .feed-items {
        grid-template-columns: 1fr;
    }
    
    .control-panel {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .search-container {
        max-width: none;
    }
    
    .feed-controls {
        justify-content: space-between;
    }
    
    .time-container {
        display: none;
    }
    
    .logo-container {
        flex: 1;
    }
}

@media (max-width: 576px) {
    .dashboard-title {
        font-size: 1rem;
    }
    
    .logo {
        width: 30px;
        height: 30px;
        font-size: 1rem;
    }
    
    .feeds-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .modal-content {
        width: 95%;
    }
    
    .setting-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .settings-select {
        width: 100%;
    }
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.animate-fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.animate-slide-up {
    animation: slideInUp 0.5s ease forwards;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* Staggered animations for feed items */
.feed-item {
    opacity: 0;
}

.feed-item:nth-child(1) { animation: slideInUp 0.3s ease 0.1s forwards; }
.feed-item:nth-child(2) { animation: slideInUp 0.3s ease 0.2s forwards; }
.feed-item:nth-child(3) { animation: slideInUp 0.3s ease 0.3s forwards; }
.feed-item:nth-child(4) { animation: slideInUp 0.3s ease 0.4s forwards; }
.feed-item:nth-child(5) { animation: slideInUp 0.3s ease 0.5s forwards; }
.feed-item:nth-child(6) { animation: slideInUp 0.3s ease 0.6s forwards; }
.feed-item:nth-child(7) { animation: slideInUp 0.3s ease 0.7s forwards; }
.feed-item:nth-child(8) { animation: slideInUp 0.3s ease 0.8s forwards; }
.feed-item:nth-child(9) { animation: slideInUp 0.3s ease 0.9s forwards; }
.feed-item:nth-child(n+10) { animation: slideInUp 0.3s ease 1s forwards; }

/* Critical alert animation */
.feed-item.critical {
    position: relative;
    overflow: hidden;
}

.feed-item.critical::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px solid var(--threat-critical);
    border-radius: var(--border-radius-md);
    animation: pulse 2s infinite;
    pointer-events: none;
}

/* Typing effect for terminal-like elements */
.typing-effect {
    overflow: hidden;
    border-right: 2px solid var(--accent-color);
    white-space: nowrap;
    margin: 0 auto;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0 }
    to { width: 100% }
}

@keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: var(--accent-color) }
}