/* Color Variables */
:root {
  --primary-color: #2563eb;
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
}

/* Disable text selection and callouts globally, but keep inputs editable */
* {
  -webkit-touch-callout: none; /* Disables iOS/Android callout menu on long-press */
  -webkit-user-select: none;   /* Disables text selection highlighting */
  user-select: none;
}

input,
textarea {
  -webkit-touch-callout: default;
  -webkit-user-select: text;
  user-select: text;
}

/* Base Body Styles */
body { 
  font-family: system-ui, -apple-system, sans-serif; 
  padding: 20px 20px 80px 20px; 
  max-width: 600px; 
  margin: 0 auto; 
  text-align: center; 
  overscroll-behavior-y: contain;
  background-color: var(--bg-color);
}

/* Update banner (moved from inline styles) */
.update-banner {
  background: #28a745;
  color: white;
  padding: 12px;
  text-align: center;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.update-banner[hidden] {
  display: none;
}

.update-btn {
  margin-left: 15px;
  padding: 6px 12px;
  background: white;
  color: #28a745;
  border: none;
  border-radius: 4px;
  font-weight: bold;
  cursor: pointer;
}

/* Card Layout Container */
.tracker-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 20px;
}

/* Status & Accuracy Badge */
.status-badge {
  background-color: #f1f5f9;
  border-radius: 8px;
  padding: 1rem;
  text-align: center;
}

#status { 
  margin: 0; 
  font-size: 1.1em; 
  font-weight: 600; 
  color: var(--text-main); 
}

#accuracy { 
  font-size: 0.875rem; 
  color: var(--text-muted); 
  margin-top: 0.25rem;
  margin-bottom: 0;
}

/* Layout Containers */
#lockGpsBtn {
  width: 100%;
}

.controls, .presets {
  display: flex;
  gap: 0.5rem;
  width: 100%;
  margin-bottom: 15px;
}

.controls button, .presets button {
  flex: 1;
}

/* Global Button System */
button { 
  font-size: 0.875rem; 
  padding: 0.625rem 1rem; 
  font-weight: 500;
  margin: 0; 
  cursor: pointer; 
  border: none;
  border-radius: 6px;
  transition: background-color 0.2s ease;
}

button:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Button Color Variants */
.btn-secondary, #lockGpsBtn, .presets button {
  background-color: #e2e8f0;
  color: var(--text-main);
}

.btn-secondary:not(:disabled):hover, 
#lockGpsBtn:not(:disabled):hover, 
.presets button:not(:disabled):hover {
  background-color: #cbd5e1;
}

.btn-primary, #startBtn {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:not(:disabled):hover, 
#startBtn:not(:disabled):hover {
  background-color: #1d4ed8;
}

.btn-warning, #pauseBtn {
  background-color: #f59e0b;
  color: white;
}

.btn-danger, #stopBtn {
  background-color: #ef4444;
  color: white;
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  filter: grayscale(80%);
}

/* Fixed Lock Screen button (moved from inline styles) */
.lock-screen-btn {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 400px;
  padding: 15px;
  border: none;
  border-radius: 8px;
  font-weight: bold;
  font-size: 16px;
  cursor: pointer;
  background-color: #ff9800;
  color: white;
  z-index: 1000;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

/* Settings Card */
.settings-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  margin-bottom: 20px;
  text-align: left;
}

.settings-header {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  user-select: none;
}

.settings-header::-webkit-details-marker {
  display: none;
}

.settings-header .chevron {
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.settings-card[open] .chevron {
  transform: rotate(180deg);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem 1rem;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-color);
}

.setting-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.setting-item label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: help;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.setting-item input {
  width: 100%;
  padding: 0.4rem 0.6rem;
  font-size: 0.875rem;
  color: var(--text-main);
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  box-sizing: border-box;
  outline: none;
  transition: border-color 0.2s ease;
}

.setting-item input:focus {
  border-color: var(--primary-color);
}

/* Touch Lock Overlay */
.touch-lock-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: #000000;
  z-index: 9999;
  display: none;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  color: white;
  touch-action: none;
  padding-top: 60px;
}

.unlock-label {
  font-size: 12px;
  color: #ccc;
  order: 2;
}

.unlock-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 80%;
  max-width: 300px;
  height: 40px;
  background: #333;
  border-radius: 20px;
  outline: none;
  margin: 10px 0;
}

.unlock-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #007bff;
  cursor: pointer;
  border: none;
}

.unlock-slider::-moz-range-track {
  width: 100%;
  height: 40px;
  background: #333;
  border-radius: 20px;
  border: none;
}

.unlock-slider::-moz-range-thumb {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #007bff;
  cursor: pointer;
  border: none;
}

/* Responsive Adjustments */
@media (max-width: 380px) {
  .settings-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
  }
}