:root {
    --bg-color: #0d1117;
    --panel-bg: #161b22;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --border-color: #30363d;
    --accent-color: #58a6ff;
    --success-color: #238636;
    --error-color: #f85149;
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-stack);
    line-height: 1.6;
}

/* Splash Page Presentation Layout */
.splash-layout {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 40px 20px;
}

.splash-container {
    max-width: 900px;
    width: 100%;
    text-align: center;
}

.splash-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.splash-header .subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
}

.action-bar {
    margin-bottom: 50px;
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 6px;
    transition: background-color 0.2s ease;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background-color: #408ee0;
}

.btn-success {
    background-color: var(--success-color);
    color: #ffffff;
}

.btn-success:hover {
    background-color: #2ea043;
}

.media-frame {
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
}

/* Live Telemetry View Layout */
.dashboard-layout {
    padding: 20px;
}

.sys-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    margin-bottom: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-group {
    display: flex;
    align-items: center;
    gap: 20px;
}

.back-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
}

.back-link:hover {
    color: var(--accent-color);
}

.sys-header h1 {
    font-size: 1.35rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.status-indicator {
    background-color: var(--text-secondary);
    color: #ffffff;
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    letter-spacing: 0.5px;
}

.status-indicator.success {
    background-color: var(--success-color);
}

.status-indicator.error {
    background-color: var(--error-color);
}

.workspace-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 24px;
    margin-bottom: 24px;
}

@media (max-width: 1024px) {
    .workspace-grid {
        grid-template-columns: 1fr;
    }
}

.module {
    background-color: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 20px;
}

h2 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table-wrapper {
    overflow-x: auto;
}

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

th, td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: #21262d;
    color: var(--text-secondary);
    font-weight: 600;
}

tr:hover {
    background-color: #1c2128;
}

/* Map Topology Panel Styles */
.map-canvas-placeholder {
    background-color: #0d1117;
    border: 1px dashed var(--border-color);
    border-radius: 4px;
    height: 380px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
}

.map-coordinates-title {
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 6px;
}

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

/* Analytics Frame Elements */
.analytics-container {
    margin-bottom: 24px;
}

.analytics-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    margin-bottom: 15px;
}

.analytics-header h2 {
    border-bottom: none;
    margin-bottom: 0;
}

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

.filter-btn {
    background-color: #21262d;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 6px 14px;
    font-size: 0.85rem;
    border-radius: 4px;
    cursor: pointer;
}

.filter-btn.active, .filter-btn:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: #ffffff;
}

.custom-date-group {
    display: flex;
    gap: 6px;
}

.custom-date-group input[type="date"] {
    background-color: #0d1117;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.85rem;
}

.chart-canvas-placeholder {
    background-color: #0d1117;
    border: 1px dashed var(--border-color);
    border-radius: 4px;
    min-height: 250px;
    display: block;
    padding: 20px;
}

.placeholder-text {
    text-align: center;
    font-style: italic;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 90px;
}

/* Extraction Terminal Styles */
.download-module p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.download-action-bar {
    display: flex;
    gap: 15px;
    max-width: 550px;
}

.form-control {
    background-color: #0d1117;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 0.9rem;
    flex: 1;
}

/* Dynamic State Typography */
.loading {
    color: var(--accent-color);
    text-align: center;
    font-style: italic;
}

.error {
    color: var(--error-color);
    text-align: center;
    font-weight: bold;
}

.warning {
    color: #d29922;
    text-align: center;
}

.anchor-yes {
    color: var(--success-color);
    font-weight: bold;
}

.anchor-no {
    color: var(--text-secondary);
}