@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Barlow:wght@300;400;500&display=swap');

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

:root {
  --sidebar-w: 300px;
  --accent: #00e5ff;
  --accent2: #ff6b35;
  --dim: rgba(0,229,255,0.08);
  --border: rgba(0,229,255,0.18);
  --text: #c8e6ea;
  --text-dim: rgba(200,230,234,0.45);
  --mono: 'Share Tech Mono', monospace;
  --sans: 'Barlow', sans-serif;
}

html, body {
  width: 100%; height: 100%;
  background: #000;
  color: var(--text);
  font-family: var(--sans);
  overflow: hidden;
}

/* Layout */

#app {
  display: flex;
  width: 100vw; height: 100vh;
}

/* Sidebar */

#sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  height: 100%;
  background: rgba(0,10,14,0.92);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 10;
}

#sidebar-header {
  padding: 20px 20px 14px;
  border-bottom: 1px solid var(--border);
}

.mission-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.mission-name {
  font-family: var(--mono);
  font-size: 24px;
  color: #fff;
  letter-spacing: 0.05em;
}

#clock-block {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

#clock-display {
  /* font-family: var(--mono); */
  font-size: 20px;
  /* color: var(--accent); */
  letter-spacing: 0.06em;
  /* line-height: 1; */
}  

/* Mission Elapsed Time / Countdown */

#countdown-block {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--dim);
}

.section-label {
  font-family: var(--mono);
  font-size: 16px;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 8px;
}

#countdown-display {
  font-family: var(--mono);
  font-size: 28px;
  color: var(--accent);
  letter-spacing: 0.06em;
  line-height: 1;
}

#countdown-display.prev { color: var(--accent2); }
#countdown-display.past { color: var(--accent); }

#countdown-sub {
  font-family: var(--mono);
  font-size: 17px;
  /* color: var(--text-dim); */
  margin-top: 10px;
  letter-spacing: 0.08em;
}

/* Telemetry */

#telemetry-block {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}

.telem-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 4px 0;
}

.telem-key {
  font-family: var(--mono);
  font-size: 16px;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}

.telem-val {
  font-family: var(--mono);
  font-size: 16px;
  color: var(--text);
}

/* Events */

#next-event-block {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

#events-section {
flex: 1;
display: flex;
flex-direction: column;
overflow: hidden;
}

#events-block {
  flex: 1;
  overflow-y: auto;
  padding: 8px 20px 14px;  /* remove top padding, label handles it */
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

#events-block::-webkit-scrollbar { width: 4px; }
#events-block::-webkit-scrollbar-track { background: transparent; }
#events-block::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.event-item {
  display: flex;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(0,229,255,0.07);
  position: relative;
}

.event-item:last-child { border-bottom: none; }

.event-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #007380;
  margin-top: 5px;
  flex-shrink: 0;
  transition: background 0.4s, box-shadow 0.4s;
}

.event-item.past .event-dot {
  /* background: var(--accent2); */
  background: rgb(7, 49, 0);
}

.event-item.active .event-dot {
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
  animation: pulse 1.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 4px var(--accent); }
  50%       { box-shadow: 0 0 10px var(--accent); }
}

.event-body { flex: 1; min-width: 0; }

.event-name {
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.event-item.past .event-name { color: var(--text-dim); }
.event-item.active .event-name { color: var(--accent); font-weight: 500; }

/* In the full list, .next just gets cyan text/dot — no box */
#events-list .event-item.next {
  background: none;
  border-bottom: 1px solid rgba(0,229,255,0.07);
  border-radius: 0;
  margin: 0;
  padding: 8px 0;
}

.event-time {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--text-dim);
  margin-top: 2px;
  letter-spacing: 0.05em;
  display: flex;
  justify-content: space-between;
}

/*  Next event pin  */
.event-item.next {
  background: rgba(0,229,255,0.06);
  border-radius: 6px;
  padding: 8px 8px;
  margin: 0 -8px 6px;
  border-bottom: 1px solid rgba(0,229,255,0.18);
}

.event-item.next .event-dot {
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
}

.event-item.next .event-name {
  color: var(--accent);
  font-weight: 500;
}

.event-item.next .event-time { color: rgba(0,229,255,0.5); }

.next-pin-label {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.18em;
  color: rgba(0,229,255,0.4);
  text-transform: uppercase;
  margin-bottom: 6px;
}

#notes-block {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
}

#frame-block {
  display: none; /* hidden on desktop; shown on mobile via media query */
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

#frame-block .ctrl-btn {
  width: 100%;
  margin-top: 4px;
  padding: 6px 8px;
  text-align: left;
}

/*  Main area: plot + controls  */
#main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

#plot {
  flex: 1;
  min-height: 0;
}

/*  Controls bar  */
#controls {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: rgba(0,10,14,0.9);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.ctrl-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  padding: 4px 12px;
  font-family: var(--mono);
  font-size: 16px;
  cursor: pointer;
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.ctrl-btn:hover { background: var(--dim); }
.ctrl-btn.active { border-color: var(--accent); color: var(--accent); background: rgba(0,229,255,0.06); }

#scrubber {
  flex: 1;
  min-width: 80px;
  accent-color: var(--accent);
  cursor: pointer;
}

#speed-label {
  font-family: var(--mono);
  font-size: 16px;
  /* color: var(--text-dim); */
  min-width: 50px;
  text-align: right;
  letter-spacing: 0.05em;
}

select.ctrl-btn { padding: 4px 6px; }

/* Scanline overlay (atmosphere) */
#scanlines {
  pointer-events: none;
  position: fixed; inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px, transparent 3px,
    rgba(0,0,0,0.06) 3px, rgba(0,0,0,0.06) 4px
  );
  z-index: 999;
  opacity: 0.4;
}

/* Toggle switch styling */

#time-toggle-control {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-top: 10px;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 30px;
  height: 15px;
}

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

.square .slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  /* background-color: #ccc; */
  background-color: rgba(0,229,255,0.18);
  transition: 0.4s;
  border-radius: 4px;
}


.square .slider:before {
  position: absolute;
  content: "";
  height: 10px;
  width: 10px;
  left: 2px;
  bottom: 2px;
  background-color: #00e5ff;
  transition: 0.4s;
  border-radius: 0;
}

/* .square input:checked+.slider {
  background-color: #4caf50;
} */

.square input:checked+.slider:before {
  transform: translateX(15px);
}

#notes-div {
  font-size: 14px;
}

/*  Loading message  */
#loading-overlay {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(0,10,14,0.92);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 16px;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

#loading-overlay.done {
  opacity: 0;
}

#loading-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  animation: spin 0.9s linear infinite;
}

#loading-msg {
  font-family: var(--mono);
  font-size: 18px;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}


#sidebar-toggle {
  display: none;
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  background: rgba(0,10,14,0.92);
  border: 1px solid var(--border);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 18px;
  width: 38px;
  height: 38px;
  border-radius: 4px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/*  Tablet (≤900px): narrow sidebar  */
@media (max-width: 900px) {
  :root {
    --sidebar-w: 240px;
  }

  .section-label {
    font-size: 13px;
  }

  .telem-key,
  .telem-val {
    font-size: 14px;
  }

  .event-name {
    font-size: 14px;
  }

  #countdown-display {
    font-size: 22px;
  }

  .mission-name {
    font-size: 20px;
  }

  .ctrl-btn {
    font-size: 13px;
    padding: 4px 8px;
  }

  #speed-label {
    font-size: 13px;
  }
}

/*  Mobile (≤600px): overlay sidebar, full-screen plot  */
@media (max-width: 600px) {

  html, body {
    overflow: hidden;
  }

  #app {
    flex-direction: column;
  }

  /* Show hamburger toggle */
  #sidebar-toggle {
    display: flex;
  }

  /* Sidebar becomes a fixed overlay panel */
  #sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: min(320px, 90vw);
    height: 100%;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    overflow-y: auto;
    overflow-x: hidden;
  }

  #sidebar.open {
    transform: translateX(0);
  }

  /* Dim overlay behind open sidebar */
  #sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 99;
  }

  #sidebar-backdrop.open {
    display: block;
  }

  /* Main takes full screen */
  #main {
    width: 100%;
    height: 100vh;
  }

  #plot {
    flex: 1;
    min-height: 0;
  }

  /* Controls: wrap on small screens */
  #controls {
    flex-wrap: wrap;
    gap: 6px;
    padding: 6px 10px;
  }

  #frame-label,
  #speed-label {
    font-size: 12px;
    min-width: unset;
  }

  .ctrl-btn {
    font-size: 12px;
    padding: 4px 8px;
  }

  /* Scrubber spans full width */
  #scrubber {
    width: 100%;
    flex: unset;
    order: 10;
  }

  /* Show frame selector in sidebar on mobile */
  #frame-block {
    display: block;
  }

  /* Hide frame select from controls bar on mobile */
  #frame-label,
  #frame-select {
    display: none;
  }

  /* Sidebar header needs space for toggle button */
  #sidebar-header {
    padding-top: 14px;
    padding-left: 56px;
  }

  .mission-name {
    font-size: 20px;
  }

  .section-label {
    font-size: 13px;
  }

  #countdown-display {
    font-size: 22px;
  }

  .telem-key,
  .telem-val {
    font-size: 14px;
  }

  .event-name {
    font-size: 14px;
  }

  .event-time {
    font-size: 12px;
  }
}