/* ==========================================================================
   SHOOTING STARS - NIGHT VISION DESIGN SYSTEM (CSS)
   Night Vision Dark Mode: Pure Black Base (#000) & Deep Crimson/Amber Accents
   ========================================================================== */

:root {
  --bg-color: #000000;
  --panel-bg: rgba(20, 0, 0, 0.85);
  --primary-red: #ff2a2a;
  --primary-red-glow: rgba(255, 42, 42, 0.4);
  --amber-orange: #ff7700;
  --amber-orange-glow: rgba(255, 119, 0, 0.3);
  --dim-text: #883333;
  --bright-text: #ffcccc;
  --success-green: #00ff66;
  --success-glow: rgba(0, 255, 102, 0.6);
  --border-color: #441111;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-color);
  color: var(--primary-red);
  font-family: var(--font-family);
  font-size: 14px;
}

/* Subtle background stars texture */
.stars-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100svh;
  background:
    radial-gradient(1px 1px at 20px 30px, var(--dim-text), rgba(0, 0, 0, 0)),
    radial-gradient(1px 1px at 100px 150px, var(--primary-red), rgba(0, 0, 0, 0)),
    radial-gradient(1.5px 1.5px at 220px 70px, var(--amber-orange), rgba(0, 0, 0, 0)),
    radial-gradient(1px 1px at 310px 290px, var(--dim-text), rgba(0, 0, 0, 0));
  background-size: 350px 350px;
  opacity: 0.3;
  pointer-events: none;
  z-index: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* HEADER & ASTRO DATA CARD */
.app-header {
  position: relative;
  z-index: 10;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: linear-gradient(180deg, rgba(15, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0) 100%);
}

.shower-selector-container {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.shower-select {
  flex: 1 1 180px;
  min-width: 0;
  background-color: #120000;
  color: var(--bright-text);
  border: 1px solid var(--primary-red);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 0.9rem;
  font-weight: bold;
  outline: none;
  box-shadow: 0 0 10px var(--primary-red-glow);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lang-switch-container {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.lang-toggle-btn {
  background: #1a0000;
  color: var(--amber-orange);
  border: 1px solid var(--amber-orange);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 0.75rem;
  font-weight: 800;
  cursor: pointer;
  letter-spacing: 0.5px;
  box-shadow: 0 0 8px var(--amber-orange-glow);
  white-space: nowrap;
}

/* AUDIO & VIBE QUICK CONTROLS BAR (Single Row in Header) */
.quick-controls-bar {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  width: 100%;
}

.toggle-pill-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px 12px;
  background: #120000;
  border: 1px solid var(--amber-orange);
  border-radius: 6px;
  color: var(--amber-orange);
  cursor: pointer;
  box-shadow: 0 0 8px var(--amber-orange-glow);
}

.toggle-pill-btn .btn-icon {
  font-size: 0.95rem;
  line-height: 1;
}

.toggle-pill-btn .btn-text {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--amber-orange);
  white-space: nowrap;
}

.toggle-pill-btn.muted {
  opacity: 0.55;
  border-color: var(--border-color);
  background: #0a0000;
  box-shadow: none;
}

.toggle-pill-btn.muted .btn-text {
  color: var(--dim-text);
}

.badge-active {
  font-size: 0.65rem;
  font-weight: 800;
  padding: 4px 8px;
  border-radius: 4px;
  background-color: var(--primary-red);
  color: #000;
  letter-spacing: 0.5px;
  white-space: nowrap;
  flex-shrink: 0;
}

.info-card {
  display: flex;
  justify-content: space-around;
  background-color: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px;
}

.info-column {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.info-label {
  font-size: 0.65rem;
  color: var(--dim-text);
  letter-spacing: 1px;
  font-weight: 700;
}

.info-value {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--bright-text);
}

.status-tag {
  font-size: 0.85rem;
  color: var(--amber-orange);
}

/* MAIN COMPASS VIEWPORT & HUD */
.compass-viewport {
  position: relative;
  flex: 1;
  height: calc(100svh - 170px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Pitch / Elevation Meter (Left Axis) */
.pitch-container {
  position: absolute;
  left: 12px;
  top: 15%;
  bottom: 25%;
  width: 24px;
  background: rgba(30, 0, 0, 0.4);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  z-index: 5;
}

.pitch-scale {
  position: absolute;
  inset: 0;
}

.pitch-mark {
  position: absolute;
  left: 28px;
  font-size: 0.65rem;
  color: var(--dim-text);
  transform: translateY(50%);
}

.pitch-target-bar {
  position: absolute;
  left: 2px;
  right: 2px;
  height: 4px;
  background-color: var(--amber-orange);
  box-shadow: 0 0 8px var(--amber-orange);
  border-radius: 2px;
  transition: bottom 0.2s ease-out;
}

.pitch-current-bar {
  position: absolute;
  left: 0;
  right: 0;
  height: 6px;
  background-color: var(--primary-red);
  box-shadow: 0 0 10px var(--primary-red-glow);
  border-radius: 3px;
  transition: bottom 0.1s linear;
}

/* HUD Center & Compass Ring */
.hud-center {
  position: relative;
  width: 280px;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.compass-ring {
  position: absolute;
  inset: 0;
  border: 2px stroke var(--border-color);
  border-radius: 50%;
  border: 2px dashed rgba(255, 42, 42, 0.3);
  transition: transform 0.1s linear;
}

.cardinal {
  position: absolute;
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--primary-red);
}

.cardinal.n {
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  color: #ffffff;
  text-shadow: 0 0 6px var(--primary-red);
}

.cardinal.e {
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
}

.cardinal.s {
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
}

.cardinal.w {
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
}

/* Target Pointer & Radiant Marker */
.target-pointer-container {
  position: absolute;
  inset: 0;
  pointer-events: none;
  transition: transform 0.1s linear;
}

.target-pointer-line {
  position: absolute;
  top: 10px;
  left: 50%;
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, var(--amber-orange), transparent);
  transform: translateX(-50%);
}

.target-radiant-marker {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  filter: drop-shadow(0 0 8px var(--amber-orange));
}

.radiant-icon {
  font-size: 1.6rem;
  animation: pulse-radiant 1.5s infinite alternate;
}

.radiant-name {
  font-size: 0.65rem;
  font-weight: 800;
  background: var(--amber-orange);
  color: #000;
  padding: 2px 4px;
  border-radius: 3px;
}

@keyframes pulse-radiant {
  0% {
    transform: scale(0.9);
  }

  100% {
    transform: scale(1.15);
  }
}

/* Central Reticle Crosshair */
.reticle {
  position: relative;
  width: 90px;
  height: 90px;
  border: 1px solid rgba(255, 42, 42, 0.4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.crosshair {
  position: absolute;
  background-color: var(--primary-red);
  opacity: 0.6;
}

.crosshair.horizontal {
  width: 100%;
  height: 1px;
}

.crosshair.vertical {
  width: 1px;
  height: 100%;
}

.lock-box {
  width: 45px;
  height: 45px;
  border: 2px stroke var(--amber-orange);
  border: 2px dashed var(--amber-orange);
  transition: all 0.2s ease;
}

/* TARGET LOCK ON ACTIVE STATE (±5 DEGREE ACCURACY) */
body.target-locked .reticle {
  border-color: var(--success-green);
  box-shadow: 0 0 25px var(--success-glow), inset 0 0 15px var(--success-glow);
  transform: scale(1.15);
}

body.target-locked .crosshair {
  background-color: var(--success-green);
  opacity: 1;
}

body.target-locked .lock-box {
  border-color: var(--success-green);
  border-style: solid;
  animation: lock-spin 3s linear infinite;
}

@keyframes lock-spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

/* GUIDANCE OVERLAY TEXT */
.guidance-overlay {
  position: absolute;
  bottom: 25px;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 5;
}

.guidance-text {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--bright-text);
  letter-spacing: 1px;
  text-shadow: 0 0 10px var(--primary-red-glow);
  text-align: center;
  padding: 0 10px;
}

.angle-offset-text {
  font-size: 0.85rem;
  color: var(--amber-orange);
  margin-top: 4px;
}

body.target-locked .guidance-text {
  color: var(--success-green);
  text-shadow: 0 0 15px var(--success-glow);
}

/* FOOTER & SENSOR STATUS BAR */
.app-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 10px 16px;
  background-color: rgba(10, 0, 0, 0.95);
  border-top: 1px solid var(--border-color);
  z-index: 10;
}

.sensor-stats {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--dim-text);
}

.sensor-stats strong {
  color: var(--bright-text);
}

.shower-details {
  margin-top: 4px;
  font-size: 0.7rem;
  color: var(--amber-orange);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* MODAL OVERLAY FOR SENSOR PERMISSIONS & START */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
  transition: opacity 0.3s ease, visibility 0.3s;
}

.modal-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.modal-content {
  background-color: #120202;
  border: 2px solid var(--primary-red);
  border-radius: 16px;
  padding: 24px;
  max-width: 360px;
  width: 100%;
  text-align: center;
  box-shadow: 0 0 30px var(--primary-red-glow);
}

.modal-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.modal-content h2 {
  color: var(--bright-text);
  margin-bottom: 10px;
  font-size: 1.4rem;
}

.modal-desc {
  font-size: 0.9rem;
  color: var(--dim-text);
  line-height: 1.4;
  margin-bottom: 16px;
}

.permission-notes {
  text-align: left;
  background-color: rgba(40, 0, 0, 0.6);
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 20px;
  border: 1px stroke var(--border-color);
  font-size: 0.8rem;
}

.permission-notes p {
  color: var(--amber-orange);
  font-weight: bold;
  margin-bottom: 6px;
}

.permission-notes ul {
  padding-left: 18px;
  color: var(--bright-text);
}

.permission-notes li {
  margin-bottom: 4px;
}

.btn-primary {
  width: 100%;
  background: linear-gradient(135deg, var(--primary-red) 0%, #aa0000 100%);
  color: #ffffff;
  border: none;
  padding: 14px;
  font-size: 1rem;
  font-weight: 900;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 0 15px var(--primary-red-glow);
  letter-spacing: 0.5px;
  transition: transform 0.1s ease, box-shadow 0.2s ease;
}

.btn-primary:active {
  transform: scale(0.97);
  box-shadow: 0 0 5px var(--primary-red-glow);
}