/**
 * Signal Cards Component System
 * Reusable card components for displaying RF signals and decoded messages
 * Used across: Pager, APRS, Sensors, and other signal-based modes
 */

/* ============================================
   STATUS COLORS & VARIABLES
   ============================================ */
:root {
    /* Signal status colors */
    --signal-new: #3b82f6;
    --signal-new-bg: rgba(59, 130, 246, 0.12);
    --signal-baseline: #6b7280;
    --signal-baseline-bg: rgba(107, 114, 128, 0.08);
    --signal-burst: #f59e0b;
    --signal-burst-bg: rgba(245, 158, 11, 0.12);
    --signal-repeated: #eab308;
    --signal-repeated-bg: rgba(234, 179, 8, 0.10);
    --signal-emergency: #ef4444;
    --signal-emergency-bg: rgba(239, 68, 68, 0.15);

    /* Protocol colors */
    --proto-pocsag: var(--accent-cyan, #4a9eff);
    --proto-flex: var(--accent-amber, #f59e0b);
    --proto-aprs: #06b6d4;
    --proto-ais: #8b5cf6;
    --proto-acars: #ec4899;
}

/* ============================================
   SIGNAL FEED CONTAINER
   ============================================ */
.signal-feed {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.signal-feed-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 8px;
}

.signal-feed-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.signal-feed-live {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--accent-green);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.signal-feed-live .live-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: signalPulse 2s ease-in-out infinite;
}

@keyframes signalPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
}

/* ============================================
   FILTER BAR
   ============================================ */
.signal-filter-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.signal-filter-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-dim);
    margin-right: 6px;
}

.signal-filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-family: 'Inter', sans-serif;
    font-size: 11px;
    font-weight: 500;
    padding: 5px 10px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
}

.signal-filter-btn:hover {
    border-color: var(--border-light);
    background: var(--bg-elevated);
}

.signal-filter-btn.active {
    border-color: var(--accent-cyan);
    background: var(--accent-cyan-dim);
    color: var(--accent-cyan);
}

.signal-filter-btn .filter-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.signal-filter-btn[data-filter="all"] .filter-dot { background: var(--text-secondary); }
.signal-filter-btn[data-filter="emergency"] .filter-dot { background: var(--signal-emergency); }
.signal-filter-btn[data-filter="new"] .filter-dot { background: var(--signal-new); }
.signal-filter-btn[data-filter="burst"] .filter-dot { background: var(--signal-burst); }
.signal-filter-btn[data-filter="repeated"] .filter-dot { background: var(--signal-repeated); }
.signal-filter-btn[data-filter="baseline"] .filter-dot { background: var(--signal-baseline); }

.signal-filter-count {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    background: var(--bg-secondary);
    padding: 1px 5px;
    border-radius: 3px;
    color: var(--text-dim);
}

.signal-filter-btn.active .signal-filter-count {
    background: rgba(74, 158, 255, 0.2);
    color: var(--accent-cyan);
}

.signal-filter-divider {
    width: 1px;
    height: 20px;
    background: var(--border-color);
    margin: 0 6px;
}

/* ============================================
   BASE SIGNAL CARD
   ============================================ */
.signal-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
    animation: cardSlideIn 0.25s ease;
}

@keyframes cardSlideIn {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.signal-card:hover {
    background: var(--bg-elevated);
    border-color: var(--border-light);
}

.signal-card.hidden {
    display: none;
}

/* Left accent border for status */
.signal-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--card-accent, transparent);
}

/* ============================================
   SIGNAL CARD STATUS VARIANTS
   ============================================ */
.signal-card[data-status="new"] {
    --card-accent: var(--signal-new);
    background: linear-gradient(90deg, var(--signal-new-bg) 0%, var(--bg-card) 35%);
}

.signal-card[data-status="burst"] {
    --card-accent: var(--signal-burst);
    background: linear-gradient(90deg, var(--signal-burst-bg) 0%, var(--bg-card) 35%);
}

.signal-card[data-status="repeated"] {
    --card-accent: var(--signal-repeated);
}

.signal-card[data-status="baseline"] {
    --card-accent: var(--signal-baseline);
}

.signal-card[data-status="emergency"] {
    --card-accent: var(--signal-emergency);
    background: linear-gradient(90deg, var(--signal-emergency-bg) 0%, var(--bg-card) 35%);
    border-color: rgba(239, 68, 68, 0.3);
}

/* ============================================
   CARD HEADER
   ============================================ */
.signal-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 10px;
}

.signal-card-badges {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* Protocol badge */
.signal-proto-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 3px 7px;
    border-radius: 3px;
    border: 1px solid;
}

.signal-proto-badge.pocsag {
    background: var(--accent-cyan-dim);
    color: var(--accent-cyan);
    border-color: rgba(74, 158, 255, 0.25);
}

.signal-proto-badge.flex {
    background: var(--accent-amber-dim);
    color: var(--accent-amber);
    border-color: rgba(212, 168, 83, 0.25);
}

.signal-proto-badge.aprs {
    background: rgba(6, 182, 212, 0.15);
    color: #06b6d4;
    border-color: rgba(6, 182, 212, 0.25);
}

.signal-proto-badge.ais {
    background: rgba(139, 92, 246, 0.15);
    color: #8b5cf6;
    border-color: rgba(139, 92, 246, 0.25);
}

.signal-proto-badge.acars {
    background: rgba(236, 72, 153, 0.15);
    color: #ec4899;
    border-color: rgba(236, 72, 153, 0.25);
}

/* Frequency/Address badge */
.signal-freq-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-primary);
    background: var(--bg-secondary);
    padding: 3px 8px;
    border-radius: 3px;
    border: 1px solid var(--border-color);
}

/* Status pill */
.signal-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 3px 8px;
    border-radius: 10px;
}

.signal-status-pill .status-dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: currentColor;
}

.signal-status-pill[data-status="new"] {
    background: var(--signal-new-bg);
    color: var(--signal-new);
}

.signal-status-pill[data-status="baseline"] {
    background: var(--signal-baseline-bg);
    color: var(--signal-baseline);
}

.signal-status-pill[data-status="burst"] {
    background: var(--signal-burst-bg);
    color: var(--signal-burst);
}

.signal-status-pill[data-status="repeated"] {
    background: var(--signal-repeated-bg);
    color: var(--signal-repeated);
}

.signal-status-pill[data-status="emergency"] {
    background: var(--signal-emergency-bg);
    color: var(--signal-emergency);
}

.signal-status-pill[data-status="new"] .status-dot,
.signal-status-pill[data-status="burst"] .status-dot,
.signal-status-pill[data-status="emergency"] .status-dot {
    animation: signalPulse 1.5s ease-in-out infinite;
}

/* ============================================
   CARD BODY
   ============================================ */
.signal-card-body {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* Message metadata row */
.signal-meta-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.signal-sender {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--accent-green);
}

.signal-msg-type {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-dim);
    background: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: 3px;
}

.signal-timestamp {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-dim);
    margin-left: auto;
}

/* Message content preview */
.signal-message {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text-primary);
    background: var(--bg-secondary);
    padding: 10px;
    border-radius: 4px;
    border-left: 2px solid var(--border-color);
    line-height: 1.5;
    word-break: break-word;
}

.signal-message.numeric {
    font-size: 14px;
    letter-spacing: 1.5px;
}

.signal-message.emergency {
    border-left-color: var(--signal-emergency);
    background: var(--signal-emergency-bg);
}

.signal-message.truncated::after {
    content: '...';
    color: var(--text-dim);
}

/* Signal strength indicator */
.signal-strength-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.signal-strength-bars {
    display: flex;
    align-items: flex-end;
    gap: 2px;
    height: 16px;
}

.signal-strength-bars .bar {
    width: 3px;
    background: var(--border-light);
    border-radius: 1px;
    transition: background 0.2s;
}

.signal-strength-bars .bar:nth-child(1) { height: 5px; }
.signal-strength-bars .bar:nth-child(2) { height: 8px; }
.signal-strength-bars .bar:nth-child(3) { height: 11px; }
.signal-strength-bars .bar:nth-child(4) { height: 14px; }
.signal-strength-bars .bar:nth-child(5) { height: 16px; }

.signal-strength-bars .bar.active {
    background: var(--accent-green);
}

.signal-strength-bars .bar.active.weak {
    background: var(--accent-orange);
}

.signal-activity {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Behavior tag */
.signal-behavior {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    color: var(--text-dim);
    background: var(--bg-secondary);
    padding: 5px 8px;
    border-radius: 4px;
    width: fit-content;
}

.signal-behavior svg {
    width: 12px;
    height: 12px;
    opacity: 0.7;
}

/* ============================================
   CARD FOOTER & ACTIONS
   ============================================ */
.signal-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
}

.signal-advanced-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    color: var(--text-dim);
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 6px;
    margin: -4px -6px;
    border-radius: 4px;
    transition: all 0.15s;
}

.signal-advanced-toggle:hover {
    color: var(--text-secondary);
    background: var(--bg-secondary);
}

.signal-advanced-toggle svg {
    width: 12px;
    height: 12px;
    transition: transform 0.2s;
}

.signal-advanced-toggle.open svg {
    transform: rotate(180deg);
}

.signal-advanced-toggle.open {
    color: var(--accent-cyan);
}

.signal-card-actions {
    display: flex;
    gap: 6px;
}

.signal-action-btn {
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-dim);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 5px 8px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s;
}

.signal-action-btn:hover {
    color: var(--text-secondary);
    border-color: var(--border-light);
}

.signal-action-btn.primary {
    background: var(--accent-cyan-dim);
    border-color: rgba(74, 158, 255, 0.25);
    color: var(--accent-cyan);
}

.signal-action-btn.primary:hover {
    background: rgba(74, 158, 255, 0.2);
}

.signal-action-btn.danger {
    background: var(--accent-red-dim);
    border-color: rgba(239, 68, 68, 0.25);
    color: var(--accent-red);
}

.signal-action-btn.danger:hover {
    background: rgba(239, 68, 68, 0.2);
}

/* ============================================
   ADVANCED PANEL
   ============================================ */
.signal-advanced-panel {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.2s ease;
    margin-top: 0;
}

.signal-advanced-panel.open {
    grid-template-rows: 1fr;
    margin-top: 10px;
}

.signal-advanced-inner {
    overflow: hidden;
}

.signal-advanced-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 10px;
}

.signal-advanced-section {
    margin-bottom: 10px;
}

.signal-advanced-section:last-child {
    margin-bottom: 0;
}

.signal-advanced-title {
    font-size: 9px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    margin-bottom: 6px;
}

.signal-advanced-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
}

.signal-advanced-item {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.signal-advanced-label {
    font-size: 9px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.signal-advanced-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-primary);
}

.signal-raw-data {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-secondary);
    background: var(--bg-primary);
    padding: 8px;
    border-radius: 3px;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
    line-height: 1.5;
}

.signal-advanced-actions {
    display: flex;
    gap: 6px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
}

/* ============================================
   MINI MAP (for APRS/position data)
   ============================================ */
.signal-mini-map {
    width: 100%;
    height: 70px;
    background: var(--bg-secondary);
    border-radius: 4px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.15s;
}

.signal-mini-map:hover {
    border-color: var(--accent-cyan);
}

.signal-mini-map::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(74, 158, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(74, 158, 255, 0.08) 1px, transparent 1px);
    background-size: 14px 14px;
}

.signal-map-pin {
    width: 10px;
    height: 10px;
    background: var(--signal-emergency);
    border-radius: 50%;
    border: 2px solid var(--bg-card);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.3);
    animation: mapPing 1.5s ease-out infinite;
    z-index: 1;
}

@keyframes mapPing {
    0% { box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.4); }
    100% { box-shadow: 0 0 0 12px rgba(239, 68, 68, 0); }
}

.signal-map-coords {
    position: absolute;
    bottom: 4px;
    right: 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    color: var(--text-dim);
    background: var(--bg-card);
    padding: 2px 5px;
    border-radius: 2px;
}

/* ============================================
   SPARKLINE CHART
   ============================================ */
.signal-sparkline-container {
    margin-top: 6px;
}

.signal-sparkline-label {
    font-size: 9px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 3px;
}

.signal-sparkline {
    display: flex;
    align-items: flex-end;
    gap: 1px;
    height: 28px;
    padding: 3px;
    background: var(--bg-primary);
    border-radius: 3px;
}

.signal-sparkline .spark-bar {
    flex: 1;
    background: var(--accent-cyan);
    border-radius: 1px;
    opacity: 0.6;
    transition: opacity 0.15s;
}

.signal-sparkline .spark-bar:hover {
    opacity: 1;
}

.signal-sparkline .spark-bar.spike {
    background: var(--signal-burst);
    opacity: 0.9;
}

/* ============================================
   TOAST NOTIFICATION
   ============================================ */
.signal-toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    padding: 10px 18px;
    border-radius: 6px;
    font-size: 12px;
    color: var(--text-primary);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
    z-index: 10000;
    opacity: 0;
    transition: all 0.25s ease;
}

.signal-toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.signal-toast.success {
    border-color: var(--accent-green);
    background: linear-gradient(90deg, var(--accent-green-dim) 0%, var(--bg-card) 40%);
}

.signal-toast.error {
    border-color: var(--accent-red);
    background: linear-gradient(90deg, var(--accent-red-dim) 0%, var(--bg-card) 40%);
}

/* ============================================
   EMPTY STATE
   ============================================ */
.signal-empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-dim);
}

.signal-empty-state svg {
    width: 40px;
    height: 40px;
    margin-bottom: 12px;
    opacity: 0.5;
}

.signal-empty-state p {
    font-size: 13px;
}

/* ============================================
   COMPACT MODE (for high-density display)
   ============================================ */
.signal-feed.compact .signal-card {
    padding: 8px 10px;
}

.signal-feed.compact .signal-card-header {
    margin-bottom: 6px;
}

.signal-feed.compact .signal-proto-badge {
    font-size: 9px;
    padding: 2px 5px;
}

.signal-feed.compact .signal-freq-badge {
    font-size: 10px;
    padding: 2px 6px;
}

.signal-feed.compact .signal-message {
    font-size: 11px;
    padding: 8px;
}

.signal-feed.compact .signal-card-footer {
    margin-top: 8px;
    padding-top: 8px;
}

/* ============================================
   SEARCH INPUT
   ============================================ */
.signal-search-container {
    flex: 1;
    min-width: 150px;
    max-width: 250px;
}

.signal-search-input {
    width: 100%;
    padding: 6px 10px;
    font-family: 'Inter', sans-serif;
    font-size: 11px;
    color: var(--text-primary);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    outline: none;
    transition: all 0.15s;
}

.signal-search-input::placeholder {
    color: var(--text-dim);
}

.signal-search-input:focus {
    border-color: var(--accent-cyan);
    background: var(--bg-elevated);
}

/* ============================================
   SEEN COUNT BADGE
   ============================================ */
.signal-seen-count {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--text-dim);
    background: var(--bg-secondary);
    padding: 2px 5px;
    border-radius: 3px;
}

/* ============================================
   SENSOR DATA DISPLAY
   ============================================ */
.signal-sensor-data {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px;
    background: var(--bg-secondary);
    border-radius: 4px;
    border-left: 2px solid var(--accent-cyan);
}

.signal-sensor-reading {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 70px;
}

.signal-sensor-reading .sensor-label {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-dim);
}

.signal-sensor-reading .sensor-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.signal-sensor-reading .sensor-value.low-battery {
    color: var(--accent-red);
}

/* Sensor protocol badge */
.signal-proto-badge.sensor {
    background: var(--accent-green-dim);
    color: var(--accent-green);
    border-color: rgba(34, 197, 94, 0.25);
}

/* ============================================
   METER DATA DISPLAY
   ============================================ */
.signal-meter-data {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 4px;
    border-left: 2px solid var(--accent-yellow);
}

.signal-meter-reading {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.signal-meter-reading .meter-label {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-dim);
}

.signal-meter-reading .meter-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Meter protocol badges */
.signal-proto-badge.meter {
    background: rgba(234, 179, 8, 0.15);
    color: #eab308;
    border-color: rgba(234, 179, 8, 0.25);
}

.signal-proto-badge.meter.electric {
    background: rgba(234, 179, 8, 0.15);
    color: #eab308;
    border-color: rgba(234, 179, 8, 0.25);
}

.signal-proto-badge.meter.gas {
    background: rgba(249, 115, 22, 0.15);
    color: #f97316;
    border-color: rgba(249, 115, 22, 0.25);
}

.signal-proto-badge.meter.water {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
    border-color: rgba(59, 130, 246, 0.25);
}

/* ============================================
   APRS SYMBOL
   ============================================ */
.signal-aprs-symbol {
    font-size: 12px;
    padding: 2px 4px;
    background: var(--bg-secondary);
    border-radius: 3px;
}

/* ============================================
   DISTANCE DISPLAY
   ============================================ */
.signal-distance {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    color: var(--accent-green);
    font-weight: 500;
}

/* ============================================
   COMPACT CARD VARIANT
   For constrained layouts like APRS station list
   ============================================ */
.signal-card-compact {
    padding: 10px 12px;
}

.signal-card-compact .signal-card-header {
    margin-bottom: 6px;
}

.signal-card-compact .signal-proto-badge {
    font-size: 9px;
    padding: 2px 5px;
}

.signal-card-compact .signal-freq-badge {
    font-size: 10px;
    padding: 2px 6px;
}

.signal-card-compact .signal-status-pill {
    font-size: 9px;
    padding: 2px 6px;
}

.signal-card-compact .signal-message {
    font-size: 11px;
    padding: 6px 8px;
    max-height: 40px;
}

.signal-card-compact .signal-meta-row {
    font-size: 9px;
}

.signal-card-compact .signal-mini-map {
    padding: 6px 8px;
    font-size: 10px;
}

.signal-card-compact .signal-card-footer {
    margin-top: 6px;
    padding-top: 6px;
}

.signal-card-compact .signal-advanced-toggle {
    font-size: 9px;
    padding: 3px 6px;
}

/* Compact filter bar for APRS */
.signal-filter-bar-compact {
    padding: 6px 8px;
    margin-bottom: 8px;
    gap: 4px;
}

.signal-filter-bar-compact .signal-filter-btn {
    padding: 3px 6px;
    font-size: 9px;
}

.signal-filter-bar-compact .signal-filter-count {
    font-size: 8px;
    padding: 1px 3px;
    min-width: 14px;
}

.signal-filter-bar-compact .signal-search-input {
    padding: 4px 8px;
    font-size: 10px;
}

.signal-filter-bar-compact .signal-filter-divider {
    margin: 0 4px;
}

/* ============================================
   TONE ONLY MESSAGE STYLING
   ============================================ */
.signal-message.tone-only {
    color: var(--text-dim);
    font-style: italic;
    border-left-color: var(--border-color);
}

/* ============================================
   FILTER BAR RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .signal-filter-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .signal-filter-bar > .signal-filter-label {
        margin-top: 8px;
    }

    .signal-filter-bar > .signal-filter-label:first-child {
        margin-top: 0;
    }

    .signal-filter-divider {
        display: none;
    }

    .signal-search-container {
        max-width: none;
    }

    .signal-filter-bar .signal-filter-btn {
        flex: 1;
    }
}

/* ============================================
   SIGNAL STRENGTH INDICATOR
   Classification-based signal display
   ============================================ */
.signal-strength-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.signal-strength-indicator.compact {
    padding: 2px 4px;
    gap: 0;
    background: transparent;
    border: none;
}

.signal-strength-indicator.no-data {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    color: var(--text-dim);
    opacity: 0.5;
}

.signal-strength-bars {
    display: inline-block;
    vertical-align: middle;
}

.signal-strength-bars rect {
    transition: fill 0.2s ease;
}

.signal-strength-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* Confidence-based styling */
.signal-confidence-low {
    opacity: 0.7;
}

.signal-confidence-medium {
    opacity: 0.85;
}

.signal-confidence-high {
    opacity: 1;
}

.signal-advanced-value.signal-confidence-low {
    color: var(--text-dim);
}

.signal-advanced-value.signal-confidence-medium {
    color: var(--accent-amber);
}

.signal-advanced-value.signal-confidence-high {
    color: var(--accent-green);
}

/* ============================================
   SIGNAL ASSESSMENT PANEL
   Detailed signal analysis in advanced panel
   ============================================ */
.signal-assessment {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 10px;
    margin-bottom: 12px;
}

.signal-assessment-summary {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.signal-assessment-text {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
    flex: 1;
}

.signal-assessment-caveat {
    font-size: 10px;
    color: var(--text-dim);
    font-style: italic;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px dashed var(--border-color);
    line-height: 1.4;
}

/* Signal assessment confidence badges */
.signal-assessment .signal-advanced-grid {
    margin-top: 8px;
}

/* Range estimate styling */
.signal-range-estimate {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
}

.signal-range-estimate .range-value {
    color: var(--accent-cyan);
    font-weight: 500;
}

.signal-range-estimate .range-disclaimer {
    font-size: 9px;
    color: var(--text-dim);
    font-style: italic;
}

/* ============================================
   Clickable Station Badge (APRS)
   ============================================ */

.signal-station-clickable {
    cursor: pointer;
    transition: all 0.15s ease;
    position: relative;
}

.signal-station-clickable:hover {
    background: var(--accent-purple);
    color: #000;
    transform: scale(1.05);
    box-shadow: 0 0 8px rgba(138, 43, 226, 0.4);
}

.signal-station-clickable:active {
    transform: scale(0.98);
}

.signal-station-clickable::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent-purple);
    transition: width 0.2s ease;
}

.signal-station-clickable:hover::after {
    width: 80%;
}

/* ============================================
   Station Raw Data Modal
   ============================================ */

.station-raw-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.station-raw-modal.show {
    opacity: 1;
    visibility: visible;
}

.station-raw-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.station-raw-modal-content {
    position: relative;
    background: var(--panel-bg, #1a1a2e);
    border: 1px solid var(--border-color, #333);
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    transform: scale(0.95);
    transition: transform 0.2s ease;
}

.station-raw-modal.show .station-raw-modal-content {
    transform: scale(1);
}

.station-raw-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color, #333);
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px 8px 0 0;
}

.station-raw-modal-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-cyan, #00d4ff);
}

.station-raw-modal-close {
    background: none;
    border: none;
    color: var(--text-muted, #888);
    font-size: 24px;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
    transition: color 0.15s ease;
}

.station-raw-modal-close:hover {
    color: var(--accent-red, #ff4444);
}

.station-raw-modal-body {
    padding: 16px;
    overflow-y: auto;
    flex: 1;
}

.station-raw-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted, #888);
    margin-bottom: 8px;
}

.station-raw-data-display {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    line-height: 1.6;
    color: var(--accent-green, #00ff88);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color, #333);
    border-radius: 4px;
    padding: 12px;
    word-break: break-all;
    white-space: pre-wrap;
    margin: 0;
    max-height: 300px;
    overflow-y: auto;
}

.station-raw-modal-footer {
    display: flex;
    justify-content: flex-end;
    padding: 12px 16px;
    border-top: 1px solid var(--border-color, #333);
    background: rgba(0, 0, 0, 0.2);
    border-radius: 0 0 8px 8px;
}

.station-raw-copy-btn {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    padding: 8px 16px;
    background: var(--accent-purple, #8a2be2);
    border: none;
    border-radius: 4px;
    color: #fff;
    cursor: pointer;
    transition: all 0.15s ease;
}

.station-raw-copy-btn:hover {
    background: var(--accent-cyan, #00d4ff);
    color: #000;
}

/* ============================================
   SIGNAL GUESS INTEGRATION
   ============================================ */

/* Signal guess badge in card header */
.signal-card-badges .signal-guess-badge {
    margin-left: 4px;
}

/* Signal guess section in advanced panel */
.signal-guess-section {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
    margin-bottom: 12px;
}

.signal-guess-section .signal-guess-container {
    margin-top: 8px;
}

/* Adjust guess label colors for dark theme */
.signal-guess-section .signal-guess-label {
    color: var(--text-primary, #e0e0e0);
}

.signal-guess-section .signal-guess-tag {
    background: var(--bg-tertiary, #2a2a2a);
    color: var(--text-secondary, #888);
}

.signal-guess-section .signal-guess-alt-item {
    color: var(--text-secondary, #999);
}

.signal-guess-section .signal-guess-popup-explanation {
    color: var(--text-secondary, #aaa);
}

/* ============================================
   CLICKABLE CARDS
   ============================================ */
.signal-card.signal-card-clickable {
    cursor: pointer;
    transition: all 0.15s ease;
}

.signal-card.signal-card-clickable:hover {
    border-color: var(--accent-cyan, #00d4ff);
    box-shadow: 0 0 0 1px rgba(0, 212, 255, 0.2);
}

.signal-card.signal-card-clickable:active {
    transform: scale(0.995);
}

/* Floating action buttons for clickable cards */
.signal-card-actions-float {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    gap: 6px;
    opacity: 0;
    transition: opacity 0.15s ease;
    z-index: 2;
}

.signal-card.signal-card-clickable:hover .signal-card-actions-float {
    opacity: 1;
}

.signal-card-actions-float .signal-action-btn {
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-dim);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s;
}

.signal-card-actions-float .signal-action-btn:hover {
    color: var(--text-secondary);
    border-color: var(--border-light);
    background: var(--bg-tertiary);
}

/* ============================================
   SIGNAL DETAILS MODAL
   ============================================ */
.signal-details-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.signal-details-modal.show {
    opacity: 1;
    visibility: visible;
}

.signal-details-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.signal-details-modal-content {
    position: relative;
    background: var(--panel-bg, #1a1a2e);
    border: 1px solid var(--border-color, #333);
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    transform: scale(0.95);
    transition: transform 0.2s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.signal-details-modal.show .signal-details-modal-content {
    transform: scale(1);
}

.signal-details-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color, #333);
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px 12px 0 0;
}

.signal-details-modal-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 15px;
    font-weight: 600;
    color: var(--accent-cyan, #00d4ff);
}

.signal-details-modal-close {
    background: none;
    border: none;
    color: var(--text-muted, #888);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color 0.15s ease;
}

.signal-details-modal-close:hover {
    color: var(--accent-red, #ff4444);
}

.signal-details-modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

.signal-details-modal-footer {
    display: flex;
    justify-content: flex-end;
    padding: 12px 20px;
    border-top: 1px solid var(--border-color, #333);
    background: rgba(0, 0, 0, 0.2);
    border-radius: 0 0 12px 12px;
}

.signal-details-copy-btn {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    padding: 8px 16px;
    background: var(--accent-purple, #8a2be2);
    border: none;
    border-radius: 4px;
    color: #fff;
    cursor: pointer;
    transition: all 0.15s ease;
}

.signal-details-copy-btn:hover {
    background: var(--accent-cyan, #00d4ff);
    color: #000;
}

/* Signal Details Content Sections */
.signal-details-section {
    margin-bottom: 20px;
}

.signal-details-section:last-child {
    margin-bottom: 0;
}

.signal-details-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim, #666);
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-color, #333);
}

.signal-details-message {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    color: var(--text-primary, #e0e0e0);
    background: var(--bg-secondary, #252525);
    padding: 12px 14px;
    border-radius: 6px;
    word-break: break-word;
    line-height: 1.5;
}

.signal-details-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.signal-details-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.signal-details-label {
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-dim, #666);
}

.signal-details-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--text-primary, #e0e0e0);
}

/* Raw data in modal */
.signal-details-modal .signal-raw-data {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-secondary, #aaa);
    background: var(--bg-tertiary, #1a1a1a);
    padding: 12px;
    border-radius: 6px;
    border: 1px solid var(--border-color, #333);
    white-space: pre-wrap;
    word-break: break-all;
    margin: 0;
    max-height: 200px;
    overflow-y: auto;
}

/* Signal assessment panel in modal */
.signal-details-modal .signal-assessment {
    background: var(--bg-secondary, #252525);
    padding: 14px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.signal-details-modal .signal-assessment-summary {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.signal-details-modal .signal-assessment-text {
    font-size: 13px;
    color: var(--text-secondary, #aaa);
    line-height: 1.4;
}

.signal-details-modal .signal-assessment-caveat {
    font-size: 10px;
    color: var(--text-dim, #666);
    font-style: italic;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color, #333);
}

/* Signal guess section in modal */
.signal-details-modal .signal-guess-section {
    background: var(--bg-secondary, #252525);
    padding: 14px;
    border-radius: 8px;
    margin-bottom: 16px;
    border: none;
}

.signal-details-modal .signal-guess-content {
    margin-top: 8px;
}

/* Responsive adjustments */
@media (max-width: 500px) {
    .signal-details-modal-content {
        width: 95%;
        max-height: 90vh;
    }

    .signal-details-grid {
        grid-template-columns: 1fr;
    }
}