added timeline with satellite tracking
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Vasilisk9812
parent
60fe848b0c
commit
eb7066ac6b
3 changed files with 491 additions and 28 deletions
393
src/lib/components/TimeLine.svelte
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393
src/lib/components/TimeLine.svelte
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<script lang="ts">
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import { createEventDispatcher } from "svelte";
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import type { Prediction } from "$lib/types";
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let { prediction }: { prediction: Prediction | null } = $props();
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const dispatch = createEventDispatcher<{
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timeUpdate: { index: number; lat: number; lng: number; alt: number; datetime: Date };
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}>();
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let isPlaying = $state(false);
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let currentIndex = $state(0);
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let playbackSpeed = $state(1);
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let animationFrame: number | null = null;
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let lastUpdateTime = 0;
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$effect(() => {
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if (prediction && currentIndex >= flightPathLength) {
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currentIndex = 0;
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}
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});
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const flightPathLength = $derived(prediction?.flight_path?.length || 0);
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const progress = $derived(flightPathLength > 0 ? (currentIndex / flightPathLength) * 100 : 0);
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const currentPosition = $derived.by(() => {
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if (!prediction || !prediction.flight_path[currentIndex]) return null;
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const point = prediction.flight_path[currentIndex];
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let lat: number, lng: number, alt: number;
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if (Array.isArray(point)) {
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lat = point[0];
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lng = point[1];
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alt = point[2] || 0;
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} else {
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lat = point.lat;
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lng = point.lng;
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alt = point.alt || 0;
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}
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const totalTime = prediction.flight_time;
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const timeProgress = (currentIndex / flightPathLength) * totalTime;
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const launchTime = prediction.launch.datetime instanceof Date
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? prediction.launch.datetime.getTime()
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: new Date(prediction.launch.datetime).getTime();
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const datetime = new Date(launchTime + timeProgress * 1000);
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return { lat, lng, alt, datetime };
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});
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const timeElapsed = $derived.by(() => {
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if (!prediction || !currentPosition) return "00:00:00";
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const launchTime = prediction.launch.datetime instanceof Date
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? prediction.launch.datetime.getTime()
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: new Date(prediction.launch.datetime).getTime();
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const totalSeconds = Math.floor(
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(currentPosition.datetime.getTime() - launchTime) / 1000,
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);
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const hours = Math.floor(totalSeconds / 3600);
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const minutes = Math.floor((totalSeconds % 3600) / 60);
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const seconds = totalSeconds % 60;
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return `${hours.toString().padStart(2, "0")}:${minutes.toString().padStart(2, "0")}:${seconds.toString().padStart(2, "0")}`;
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});
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function animate(timestamp: number) {
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if (!isPlaying) return;
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if (!lastUpdateTime) lastUpdateTime = timestamp;
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const deltaTime = timestamp - lastUpdateTime;
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if (deltaTime >= 50 / playbackSpeed) {
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if (currentIndex < flightPathLength - 1) {
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currentIndex++;
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if (currentPosition) {
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dispatch("timeUpdate", { ...currentPosition, index: currentIndex });
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}
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} else {
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stop();
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}
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lastUpdateTime = timestamp;
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}
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animationFrame = requestAnimationFrame(animate);
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}
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function play() {
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if (!prediction) return;
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if (currentIndex >= flightPathLength - 1) {
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currentIndex = 0;
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}
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isPlaying = true;
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lastUpdateTime = 0;
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animationFrame = requestAnimationFrame(animate);
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}
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function pause() {
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isPlaying = false;
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if (animationFrame !== null) {
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cancelAnimationFrame(animationFrame);
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animationFrame = null;
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}
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}
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function stop() {
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pause();
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currentIndex = 0;
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if (currentPosition) {
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dispatch("timeUpdate", { ...currentPosition, index: currentIndex });
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}
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}
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function handleSliderChange(event: Event) {
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const target = event.target as HTMLInputElement;
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currentIndex = parseInt(target.value);
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if (currentPosition) {
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dispatch("timeUpdate", { ...currentPosition, index: currentIndex });
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}
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}
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function changeSpeed() {
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const speeds = [1, 2, 5, 10];
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const currentSpeedIndex = speeds.indexOf(playbackSpeed);
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playbackSpeed = speeds[(currentSpeedIndex + 1) % speeds.length];
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}
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$effect(() => {
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return () => {
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if (animationFrame !== null) {
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cancelAnimationFrame(animationFrame);
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}
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};
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});
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</script>
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<div class="timeline-container">
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<div class="timeline-info">
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<div class="info-section">
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<span class="label">Time:</span>
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<span class="value">{timeElapsed}</span>
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</div>
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{#if currentPosition}
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<div class="info-section">
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<span class="label">Altitude:</span>
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<span class="value">{Math.round(currentPosition.alt)} m</span>
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</div>
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<div class="info-section">
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<span class="label">Position:</span>
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<span class="value"
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>{currentPosition.lat.toFixed(4)}, {currentPosition.lng.toFixed(4)}</span
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>
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</div>
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{/if}
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</div>
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<div class="timeline-controls">
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<div class="control-buttons">
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<button
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class="control-btn"
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on:click={stop}
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disabled={!prediction || currentIndex === 0}
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title="Start"
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>
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<i class="bi bi-skip-start-fill"></i>
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</button>
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{#if !isPlaying}
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<button class="control-btn play-btn" on:click={play} disabled={!prediction} title="Play">
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<i class="bi bi-play-fill"></i>
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</button>
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{:else}
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<button class="control-btn" on:click={pause} title="Pause">
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<i class="bi bi-pause-fill"></i>
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</button>
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{/if}
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<button
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class="control-btn speed-btn"
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on:click={changeSpeed}
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disabled={!prediction}
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title="Speed"
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>
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{playbackSpeed}x
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</button>
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</div>
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<div class="progress-container">
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<input
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type="range"
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min="0"
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max={flightPathLength - 1}
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value={currentIndex}
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on:input={handleSliderChange}
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disabled={!prediction}
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class="timeline-slider"
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/>
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<div class="progress-bar" style="width: {progress}%"></div>
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</div>
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</div>
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</div>
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<style>
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.timeline-container {
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position: absolute;
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bottom: 20px;
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left: 50%;
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transform: translateX(-50%);
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background: rgba(255, 255, 255, 0.95);
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border-radius: 12px;
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padding: 16px 20px;
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box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
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min-width: 600px;
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max-width: 800px;
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z-index: 1000;
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backdrop-filter: blur(10px);
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}
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.timeline-info {
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display: flex;
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justify-content: space-around;
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margin-bottom: 12px;
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gap: 16px;
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}
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.info-section {
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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: 4px;
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}
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.label {
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font-size: 11px;
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color: #666;
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text-transform: uppercase;
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font-weight: 600;
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letter-spacing: 0.5px;
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}
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.value {
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font-size: 14px;
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color: #000;
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font-weight: 600;
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font-family: monospace;
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}
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.timeline-controls {
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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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.control-buttons {
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display: flex;
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gap: 8px;
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align-items: center;
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}
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.control-btn {
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width: 40px;
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height: 40px;
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border: none;
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border-radius: 50%;
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background: #007bff;
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color: white;
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cursor: pointer;
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display: flex;
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align-items: center;
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justify-content: center;
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font-size: 18px;
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transition: all 0.2s ease;
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}
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.control-btn:hover:not(:disabled) {
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background: #0056b3;
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transform: scale(1.1);
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}
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.control-btn:disabled {
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background: #ccc;
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cursor: not-allowed;
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opacity: 0.5;
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}
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.play-btn {
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width: 48px;
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height: 48px;
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font-size: 22px;
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background: #28a745;
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}
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.play-btn:hover:not(:disabled) {
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background: #218838;
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}
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.speed-btn {
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border-radius: 8px;
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width: 50px;
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font-size: 12px;
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font-weight: 700;
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}
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.progress-container {
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flex: 1;
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position: relative;
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height: 40px;
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display: flex;
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align-items: center;
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}
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.timeline-slider {
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width: 100%;
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height: 6px;
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border-radius: 3px;
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outline: none;
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background: #e0e0e0;
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-webkit-appearance: none;
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appearance: none;
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cursor: pointer;
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position: relative;
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z-index: 2;
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}
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.timeline-slider::-webkit-slider-thumb {
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-webkit-appearance: none;
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appearance: none;
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width: 18px;
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height: 18px;
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border-radius: 50%;
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background: #007bff;
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cursor: pointer;
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box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
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}
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.timeline-slider::-moz-range-thumb {
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width: 18px;
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height: 18px;
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border-radius: 50%;
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background: #007bff;
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cursor: pointer;
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border: none;
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box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
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}
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.timeline-slider:disabled {
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cursor: not-allowed;
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opacity: 0.5;
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}
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.progress-bar {
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position: absolute;
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left: 0;
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top: 50%;
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transform: translateY(-50%);
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height: 6px;
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background: linear-gradient(90deg, #007bff 0%, #0056b3 100%);
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border-radius: 3px;
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transition: width 0.05s linear;
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pointer-events: none;
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z-index: 1;
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}
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@media (max-width: 768px) {
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.timeline-container {
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min-width: 90%;
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max-width: 90%;
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padding: 12px 16px;
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}
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.timeline-info {
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flex-direction: column;
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gap: 8px;
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margin-bottom: 8px;
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}
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.info-section {
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flex-direction: row;
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justify-content: space-between;
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}
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.control-btn {
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width: 36px;
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height: 36px;
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font-size: 16px;
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}
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.play-btn {
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width: 42px;
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height: 42px;
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font-size: 20px;
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}
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}
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</style>
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