mirror of
https://github.com/smittix/intercept.git
synced 2026-07-06 00:28:12 -07:00
Add terrestrial HF SSTV mode with predefined frequencies and modulation support
Adds a general-purpose SSTV decoder alongside the existing ISS SSTV mode, supporting USB/LSB/FM modulation on common amateur radio HF/VHF/UHF frequencies (14.230 MHz USB, 3.845 MHz LSB, etc.) with auto-detection of modulation from preset frequency table. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Smittix
@@ -0,0 +1,477 @@
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/**
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* SSTV General Mode Styles
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* Terrestrial Slow-Scan Television decoder interface
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*/
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/* ============================================
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MODE VISIBILITY
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============================================ */
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#sstvGeneralMode.active {
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display: block !important;
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}
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/* ============================================
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VISUALS CONTAINER
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============================================ */
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.sstv-general-visuals-container {
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display: flex;
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flex-direction: column;
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gap: 12px;
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padding: 12px;
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min-height: 0;
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flex: 1;
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height: 100%;
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overflow: hidden;
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}
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/* ============================================
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STATS STRIP
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============================================ */
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.sstv-general-stats-strip {
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display: flex;
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align-items: center;
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gap: 12px;
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padding: 8px 14px;
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background: var(--bg-card);
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border: 1px solid var(--border-color);
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border-radius: 8px;
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flex-wrap: wrap;
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flex-shrink: 0;
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}
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.sstv-general-strip-group {
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display: flex;
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align-items: center;
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gap: 12px;
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}
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.sstv-general-strip-status {
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display: flex;
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align-items: center;
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gap: 6px;
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}
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.sstv-general-strip-dot {
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width: 8px;
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height: 8px;
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border-radius: 50%;
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flex-shrink: 0;
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}
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.sstv-general-strip-dot.idle {
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background: var(--text-dim);
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}
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.sstv-general-strip-dot.listening {
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background: var(--accent-yellow);
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animation: sstv-general-pulse 1s infinite;
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}
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.sstv-general-strip-dot.decoding {
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background: var(--accent-cyan);
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box-shadow: 0 0 6px var(--accent-cyan);
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animation: sstv-general-pulse 0.5s infinite;
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}
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.sstv-general-strip-status-text {
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font-family: var(--font-mono);
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font-size: 10px;
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color: var(--text-secondary);
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text-transform: uppercase;
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}
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.sstv-general-strip-btn {
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font-family: var(--font-mono);
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font-size: 10px;
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padding: 5px 12px;
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border: none;
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border-radius: 4px;
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cursor: pointer;
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text-transform: uppercase;
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font-weight: 600;
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transition: all 0.15s ease;
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}
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.sstv-general-strip-btn.start {
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background: var(--accent-cyan);
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color: var(--bg-primary);
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}
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.sstv-general-strip-btn.start:hover {
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background: var(--accent-cyan-bright, #00d4ff);
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}
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.sstv-general-strip-btn.stop {
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background: var(--accent-red, #ff3366);
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color: white;
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}
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.sstv-general-strip-btn.stop:hover {
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background: #ff1a53;
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}
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.sstv-general-strip-divider {
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width: 1px;
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height: 24px;
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background: var(--border-color);
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}
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.sstv-general-strip-stat {
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display: flex;
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flex-direction: column;
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align-items: center;
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gap: 2px;
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min-width: 50px;
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}
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.sstv-general-strip-value {
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font-family: var(--font-mono);
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font-size: 12px;
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font-weight: 600;
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color: var(--text-primary);
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}
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.sstv-general-strip-value.accent-cyan {
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color: var(--accent-cyan);
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}
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.sstv-general-strip-label {
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font-family: var(--font-mono);
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font-size: 8px;
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color: var(--text-dim);
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text-transform: uppercase;
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letter-spacing: 0.5px;
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}
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/* ============================================
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MAIN ROW (Live Decode + Gallery)
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============================================ */
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.sstv-general-main-row {
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display: flex;
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flex-direction: row;
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gap: 12px;
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flex: 1;
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min-height: 0;
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overflow: hidden;
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}
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/* ============================================
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LIVE DECODE SECTION
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============================================ */
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.sstv-general-live-section {
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background: var(--bg-card);
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border: 1px solid var(--border-color);
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border-radius: 8px;
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overflow: hidden;
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display: flex;
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flex-direction: column;
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flex: 1;
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min-width: 300px;
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}
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.sstv-general-live-header {
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display: flex;
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align-items: center;
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justify-content: space-between;
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padding: 10px 14px;
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background: rgba(0, 0, 0, 0.2);
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border-bottom: 1px solid var(--border-color);
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}
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.sstv-general-live-title {
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display: flex;
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align-items: center;
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gap: 8px;
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font-family: var(--font-mono);
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font-size: 12px;
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font-weight: 600;
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color: var(--text-primary);
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}
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.sstv-general-live-title svg {
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color: var(--accent-cyan);
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}
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.sstv-general-live-content {
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flex: 1;
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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padding: 16px;
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min-height: 0;
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}
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.sstv-general-canvas-container {
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position: relative;
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background: #000;
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border: 1px solid var(--border-color);
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border-radius: 4px;
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overflow: hidden;
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}
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.sstv-general-decode-info {
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width: 100%;
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margin-top: 12px;
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display: flex;
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flex-direction: column;
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gap: 8px;
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}
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.sstv-general-mode-label {
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font-family: var(--font-mono);
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font-size: 11px;
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color: var(--accent-cyan);
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text-align: center;
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}
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.sstv-general-progress-bar {
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width: 100%;
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height: 4px;
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background: var(--bg-secondary);
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border-radius: 2px;
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overflow: hidden;
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}
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.sstv-general-progress-bar .progress {
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height: 100%;
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background: linear-gradient(90deg, var(--accent-cyan), var(--accent-green));
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border-radius: 2px;
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transition: width 0.3s ease;
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}
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.sstv-general-status-message {
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font-family: var(--font-mono);
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font-size: 10px;
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color: var(--text-dim);
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text-align: center;
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}
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/* Idle state */
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.sstv-general-idle-state {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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text-align: center;
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padding: 40px 20px;
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color: var(--text-dim);
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}
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.sstv-general-idle-state svg {
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width: 64px;
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height: 64px;
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opacity: 0.3;
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margin-bottom: 16px;
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}
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.sstv-general-idle-state h4 {
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font-size: 14px;
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color: var(--text-secondary);
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margin-bottom: 8px;
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}
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.sstv-general-idle-state p {
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font-size: 12px;
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max-width: 250px;
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}
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/* ============================================
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GALLERY SECTION
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============================================ */
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.sstv-general-gallery-section {
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background: var(--bg-card);
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border: 1px solid var(--border-color);
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border-radius: 8px;
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overflow: hidden;
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display: flex;
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flex-direction: column;
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flex: 1.5;
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min-width: 300px;
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}
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.sstv-general-gallery-header {
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display: flex;
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align-items: center;
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justify-content: space-between;
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padding: 10px 14px;
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background: rgba(0, 0, 0, 0.2);
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border-bottom: 1px solid var(--border-color);
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}
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.sstv-general-gallery-title {
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display: flex;
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align-items: center;
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gap: 8px;
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font-family: var(--font-mono);
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font-size: 12px;
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font-weight: 600;
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color: var(--text-primary);
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}
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.sstv-general-gallery-count {
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font-family: var(--font-mono);
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font-size: 10px;
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color: var(--accent-cyan);
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background: var(--bg-secondary);
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padding: 2px 8px;
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border-radius: 10px;
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}
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.sstv-general-gallery-grid {
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flex: 1;
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display: grid;
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grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
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gap: 12px;
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padding: 12px;
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overflow-y: auto;
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align-content: start;
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}
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.sstv-general-image-card {
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background: var(--bg-secondary);
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border: 1px solid var(--border-color);
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border-radius: 6px;
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overflow: hidden;
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transition: all 0.15s ease;
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cursor: pointer;
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}
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.sstv-general-image-card:hover {
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border-color: var(--accent-cyan);
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transform: translateY(-2px);
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box-shadow: 0 4px 12px rgba(0, 212, 255, 0.2);
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}
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.sstv-general-image-preview {
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width: 100%;
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aspect-ratio: 4/3;
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object-fit: cover;
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background: #000;
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display: block;
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}
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.sstv-general-image-info {
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padding: 8px 10px;
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border-top: 1px solid var(--border-color);
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}
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.sstv-general-image-mode {
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font-family: var(--font-mono);
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font-size: 10px;
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font-weight: 600;
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color: var(--accent-cyan);
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margin-bottom: 4px;
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}
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.sstv-general-image-timestamp {
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font-family: var(--font-mono);
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font-size: 9px;
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color: var(--text-dim);
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}
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/* Empty gallery state */
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.sstv-general-gallery-empty {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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padding: 60px 20px;
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text-align: center;
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color: var(--text-dim);
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grid-column: 1 / -1;
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}
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.sstv-general-gallery-empty svg {
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width: 48px;
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height: 48px;
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opacity: 0.3;
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margin-bottom: 12px;
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}
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/* ============================================
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IMAGE MODAL
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============================================ */
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.sstv-general-image-modal {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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background: rgba(0, 0, 0, 0.9);
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display: none;
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align-items: center;
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justify-content: center;
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z-index: 10000;
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padding: 40px;
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}
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.sstv-general-image-modal.show {
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display: flex;
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}
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.sstv-general-image-modal img {
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max-width: 100%;
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max-height: 100%;
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border: 1px solid var(--border-color);
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border-radius: 4px;
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}
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.sstv-general-modal-close {
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position: absolute;
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top: 20px;
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right: 20px;
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background: none;
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border: none;
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color: white;
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font-size: 32px;
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cursor: pointer;
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opacity: 0.7;
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transition: opacity 0.15s;
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}
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.sstv-general-modal-close:hover {
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opacity: 1;
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}
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/* ============================================
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RESPONSIVE
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============================================ */
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@media (max-width: 1024px) {
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.sstv-general-main-row {
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flex-direction: column;
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overflow-y: auto;
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}
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.sstv-general-live-section {
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max-width: none;
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min-height: 350px;
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}
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.sstv-general-gallery-section {
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min-height: 300px;
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}
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}
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@media (max-width: 768px) {
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.sstv-general-stats-strip {
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padding: 8px 12px;
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gap: 8px;
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flex-wrap: wrap;
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}
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.sstv-general-strip-divider {
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display: none;
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}
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.sstv-general-gallery-grid {
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grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
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gap: 8px;
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padding: 8px;
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||||
}
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}
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@keyframes sstv-general-pulse {
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0%, 100% { opacity: 1; }
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||||
50% { opacity: 0.4; }
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}
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@@ -0,0 +1,410 @@
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/**
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* SSTV General Mode
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* Terrestrial Slow-Scan Television decoder interface
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||||
*/
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||||
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const SSTVGeneral = (function() {
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// State
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let isRunning = false;
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let eventSource = null;
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let images = [];
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let currentMode = null;
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let progress = 0;
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/**
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* Initialize the SSTV General mode
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*/
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function init() {
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checkStatus();
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loadImages();
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}
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/**
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* Select a preset frequency from the dropdown
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*/
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function selectPreset(value) {
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if (!value) return;
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const parts = value.split('|');
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const freq = parseFloat(parts[0]);
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const mod = parts[1];
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const freqInput = document.getElementById('sstvGeneralFrequency');
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const modSelect = document.getElementById('sstvGeneralModulation');
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if (freqInput) freqInput.value = freq;
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if (modSelect) modSelect.value = mod;
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// Update strip display
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const stripFreq = document.getElementById('sstvGeneralStripFreq');
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const stripMod = document.getElementById('sstvGeneralStripMod');
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if (stripFreq) stripFreq.textContent = freq.toFixed(3);
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if (stripMod) stripMod.textContent = mod.toUpperCase();
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}
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/**
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* Check current decoder status
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||||
*/
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async function checkStatus() {
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try {
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const response = await fetch('/sstv-general/status');
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||||
const data = await response.json();
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||||
|
||||
if (!data.available) {
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updateStatusUI('unavailable', 'Decoder not installed');
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showStatusMessage('SSTV decoder not available. Install slowrx: apt install slowrx', 'warning');
|
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return;
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||||
}
|
||||
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if (data.running) {
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||||
isRunning = true;
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updateStatusUI('listening', 'Listening...');
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||||
startStream();
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||||
} else {
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||||
updateStatusUI('idle', 'Idle');
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||||
}
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||||
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||||
updateImageCount(data.image_count || 0);
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||||
} catch (err) {
|
||||
console.error('Failed to check SSTV General status:', err);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Start SSTV decoder
|
||||
*/
|
||||
async function start() {
|
||||
const freqInput = document.getElementById('sstvGeneralFrequency');
|
||||
const modSelect = document.getElementById('sstvGeneralModulation');
|
||||
const deviceSelect = document.getElementById('deviceSelect');
|
||||
|
||||
const frequency = parseFloat(freqInput?.value || '14.230');
|
||||
const modulation = modSelect?.value || 'usb';
|
||||
const device = parseInt(deviceSelect?.value || '0', 10);
|
||||
|
||||
updateStatusUI('connecting', 'Starting...');
|
||||
|
||||
try {
|
||||
const response = await fetch('/sstv-general/start', {
|
||||
method: 'POST',
|
||||
headers: { 'Content-Type': 'application/json' },
|
||||
body: JSON.stringify({ frequency, modulation, device })
|
||||
});
|
||||
|
||||
const data = await response.json();
|
||||
|
||||
if (data.status === 'started' || data.status === 'already_running') {
|
||||
isRunning = true;
|
||||
updateStatusUI('listening', `${frequency} MHz ${modulation.toUpperCase()}`);
|
||||
startStream();
|
||||
showNotification('SSTV', `Listening on ${frequency} MHz ${modulation.toUpperCase()}`);
|
||||
|
||||
// Update strip
|
||||
const stripFreq = document.getElementById('sstvGeneralStripFreq');
|
||||
const stripMod = document.getElementById('sstvGeneralStripMod');
|
||||
if (stripFreq) stripFreq.textContent = frequency.toFixed(3);
|
||||
if (stripMod) stripMod.textContent = modulation.toUpperCase();
|
||||
} else {
|
||||
updateStatusUI('idle', 'Start failed');
|
||||
showStatusMessage(data.message || 'Failed to start decoder', 'error');
|
||||
}
|
||||
} catch (err) {
|
||||
console.error('Failed to start SSTV General:', err);
|
||||
updateStatusUI('idle', 'Error');
|
||||
showStatusMessage('Connection error: ' + err.message, 'error');
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Stop SSTV decoder
|
||||
*/
|
||||
async function stop() {
|
||||
try {
|
||||
await fetch('/sstv-general/stop', { method: 'POST' });
|
||||
isRunning = false;
|
||||
stopStream();
|
||||
updateStatusUI('idle', 'Stopped');
|
||||
showNotification('SSTV', 'Decoder stopped');
|
||||
} catch (err) {
|
||||
console.error('Failed to stop SSTV General:', err);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Update status UI elements
|
||||
*/
|
||||
function updateStatusUI(status, text) {
|
||||
const dot = document.getElementById('sstvGeneralStripDot');
|
||||
const statusText = document.getElementById('sstvGeneralStripStatus');
|
||||
const startBtn = document.getElementById('sstvGeneralStartBtn');
|
||||
const stopBtn = document.getElementById('sstvGeneralStopBtn');
|
||||
|
||||
if (dot) {
|
||||
dot.className = 'sstv-general-strip-dot';
|
||||
if (status === 'listening' || status === 'detecting') {
|
||||
dot.classList.add('listening');
|
||||
} else if (status === 'decoding') {
|
||||
dot.classList.add('decoding');
|
||||
} else {
|
||||
dot.classList.add('idle');
|
||||
}
|
||||
}
|
||||
|
||||
if (statusText) {
|
||||
statusText.textContent = text || status;
|
||||
}
|
||||
|
||||
if (startBtn && stopBtn) {
|
||||
if (status === 'listening' || status === 'decoding') {
|
||||
startBtn.style.display = 'none';
|
||||
stopBtn.style.display = 'inline-block';
|
||||
} else {
|
||||
startBtn.style.display = 'inline-block';
|
||||
stopBtn.style.display = 'none';
|
||||
}
|
||||
}
|
||||
|
||||
// Update live content area
|
||||
const liveContent = document.getElementById('sstvGeneralLiveContent');
|
||||
if (liveContent) {
|
||||
if (status === 'idle' || status === 'unavailable') {
|
||||
liveContent.innerHTML = renderIdleState();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Render idle state HTML
|
||||
*/
|
||||
function renderIdleState() {
|
||||
return `
|
||||
<div class="sstv-general-idle-state">
|
||||
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5">
|
||||
<rect x="3" y="3" width="18" height="18" rx="2"/>
|
||||
<circle cx="12" cy="12" r="3"/>
|
||||
<path d="M3 9h2M19 9h2M3 15h2M19 15h2"/>
|
||||
</svg>
|
||||
<h4>SSTV Decoder</h4>
|
||||
<p>Select a frequency and click Start to listen for SSTV transmissions</p>
|
||||
</div>
|
||||
`;
|
||||
}
|
||||
|
||||
/**
|
||||
* Start SSE stream
|
||||
*/
|
||||
function startStream() {
|
||||
if (eventSource) {
|
||||
eventSource.close();
|
||||
}
|
||||
|
||||
eventSource = new EventSource('/sstv-general/stream');
|
||||
|
||||
eventSource.onmessage = (e) => {
|
||||
try {
|
||||
const data = JSON.parse(e.data);
|
||||
if (data.type === 'sstv_progress') {
|
||||
handleProgress(data);
|
||||
}
|
||||
} catch (err) {
|
||||
console.error('Failed to parse SSE message:', err);
|
||||
}
|
||||
};
|
||||
|
||||
eventSource.onerror = () => {
|
||||
console.warn('SSTV General SSE error, will reconnect...');
|
||||
setTimeout(() => {
|
||||
if (isRunning) startStream();
|
||||
}, 3000);
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Stop SSE stream
|
||||
*/
|
||||
function stopStream() {
|
||||
if (eventSource) {
|
||||
eventSource.close();
|
||||
eventSource = null;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Handle progress update
|
||||
*/
|
||||
function handleProgress(data) {
|
||||
currentMode = data.mode || currentMode;
|
||||
progress = data.progress || 0;
|
||||
|
||||
if (data.status === 'decoding') {
|
||||
updateStatusUI('decoding', `Decoding ${currentMode || 'image'}...`);
|
||||
renderDecodeProgress(data);
|
||||
} else if (data.status === 'complete' && data.image) {
|
||||
images.unshift(data.image);
|
||||
updateImageCount(images.length);
|
||||
renderGallery();
|
||||
showNotification('SSTV', 'New image decoded!');
|
||||
updateStatusUI('listening', 'Listening...');
|
||||
} else if (data.status === 'detecting') {
|
||||
updateStatusUI('listening', data.message || 'Listening...');
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Render decode progress in live area
|
||||
*/
|
||||
function renderDecodeProgress(data) {
|
||||
const liveContent = document.getElementById('sstvGeneralLiveContent');
|
||||
if (!liveContent) return;
|
||||
|
||||
liveContent.innerHTML = `
|
||||
<div class="sstv-general-canvas-container">
|
||||
<canvas id="sstvGeneralCanvas" width="320" height="256"></canvas>
|
||||
</div>
|
||||
<div class="sstv-general-decode-info">
|
||||
<div class="sstv-general-mode-label">${data.mode || 'Detecting mode...'}</div>
|
||||
<div class="sstv-general-progress-bar">
|
||||
<div class="progress" style="width: ${data.progress || 0}%"></div>
|
||||
</div>
|
||||
<div class="sstv-general-status-message">${data.message || 'Decoding...'}</div>
|
||||
</div>
|
||||
`;
|
||||
}
|
||||
|
||||
/**
|
||||
* Load decoded images
|
||||
*/
|
||||
async function loadImages() {
|
||||
try {
|
||||
const response = await fetch('/sstv-general/images');
|
||||
const data = await response.json();
|
||||
|
||||
if (data.status === 'ok') {
|
||||
images = data.images || [];
|
||||
updateImageCount(images.length);
|
||||
renderGallery();
|
||||
}
|
||||
} catch (err) {
|
||||
console.error('Failed to load SSTV General images:', err);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Update image count display
|
||||
*/
|
||||
function updateImageCount(count) {
|
||||
const countEl = document.getElementById('sstvGeneralImageCount');
|
||||
const stripCount = document.getElementById('sstvGeneralStripImageCount');
|
||||
|
||||
if (countEl) countEl.textContent = count;
|
||||
if (stripCount) stripCount.textContent = count;
|
||||
}
|
||||
|
||||
/**
|
||||
* Render image gallery
|
||||
*/
|
||||
function renderGallery() {
|
||||
const gallery = document.getElementById('sstvGeneralGallery');
|
||||
if (!gallery) return;
|
||||
|
||||
if (images.length === 0) {
|
||||
gallery.innerHTML = `
|
||||
<div class="sstv-general-gallery-empty">
|
||||
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
|
||||
<rect x="3" y="3" width="18" height="18" rx="2"/>
|
||||
<circle cx="8.5" cy="8.5" r="1.5"/>
|
||||
<polyline points="21 15 16 10 5 21"/>
|
||||
</svg>
|
||||
<p>No images decoded yet</p>
|
||||
</div>
|
||||
`;
|
||||
return;
|
||||
}
|
||||
|
||||
gallery.innerHTML = images.map(img => `
|
||||
<div class="sstv-general-image-card" onclick="SSTVGeneral.showImage('${escapeHtml(img.url)}')">
|
||||
<img src="${escapeHtml(img.url)}" alt="SSTV Image" class="sstv-general-image-preview" loading="lazy">
|
||||
<div class="sstv-general-image-info">
|
||||
<div class="sstv-general-image-mode">${escapeHtml(img.mode || 'Unknown')}</div>
|
||||
<div class="sstv-general-image-timestamp">${formatTimestamp(img.timestamp)}</div>
|
||||
</div>
|
||||
</div>
|
||||
`).join('');
|
||||
}
|
||||
|
||||
/**
|
||||
* Show full-size image in modal
|
||||
*/
|
||||
function showImage(url) {
|
||||
let modal = document.getElementById('sstvGeneralImageModal');
|
||||
if (!modal) {
|
||||
modal = document.createElement('div');
|
||||
modal.id = 'sstvGeneralImageModal';
|
||||
modal.className = 'sstv-general-image-modal';
|
||||
modal.innerHTML = `
|
||||
<button class="sstv-general-modal-close" onclick="SSTVGeneral.closeImage()">×</button>
|
||||
<img src="" alt="SSTV Image">
|
||||
`;
|
||||
modal.addEventListener('click', (e) => {
|
||||
if (e.target === modal) closeImage();
|
||||
});
|
||||
document.body.appendChild(modal);
|
||||
}
|
||||
|
||||
modal.querySelector('img').src = url;
|
||||
modal.classList.add('show');
|
||||
}
|
||||
|
||||
/**
|
||||
* Close image modal
|
||||
*/
|
||||
function closeImage() {
|
||||
const modal = document.getElementById('sstvGeneralImageModal');
|
||||
if (modal) modal.classList.remove('show');
|
||||
}
|
||||
|
||||
/**
|
||||
* Format timestamp for display
|
||||
*/
|
||||
function formatTimestamp(isoString) {
|
||||
if (!isoString) return '--';
|
||||
try {
|
||||
const date = new Date(isoString);
|
||||
return date.toLocaleString();
|
||||
} catch {
|
||||
return isoString;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Escape HTML for safe display
|
||||
*/
|
||||
function escapeHtml(text) {
|
||||
if (!text) return '';
|
||||
const div = document.createElement('div');
|
||||
div.textContent = text;
|
||||
return div.innerHTML;
|
||||
}
|
||||
|
||||
/**
|
||||
* Show status message
|
||||
*/
|
||||
function showStatusMessage(message, type) {
|
||||
if (typeof showNotification === 'function') {
|
||||
showNotification('SSTV', message);
|
||||
} else {
|
||||
console.log(`[SSTV General ${type}] ${message}`);
|
||||
}
|
||||
}
|
||||
|
||||
// Public API
|
||||
return {
|
||||
init,
|
||||
start,
|
||||
stop,
|
||||
loadImages,
|
||||
showImage,
|
||||
closeImage,
|
||||
selectPreset
|
||||
};
|
||||
})();
|
||||
Reference in New Issue
Block a user