@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@600;700;900&family=Plus+Jakarta+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@500;700&display=swap');

:root {
  --color-space: #0A0806;
  --color-glass-surface: rgba(20, 16, 11, 0.88);
  --color-glass-border: rgba(255, 170, 0, 0.28);
  --color-solar-gold: #FFAA00;
  --color-gold-bright: #FFD700;
  --color-cyan-laser: #00F2FE;
  --color-danger-coral: #FF4757;
  --color-white-pure: #FFFFFF;
  --color-text-muted: #9E968A;

  --font-title: 'Cinzel', serif;
  --font-mono: 'Space Grotesk', monospace;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--color-space);
  color: var(--color-white-pure);
  font-family: var(--font-body);
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
}

#app-container {
  width: 100%;
  max-width: 480px;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at 50% 15%, rgba(255, 170, 0, 0.12) 0%, rgba(10, 8, 6, 1) 80%);
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 50px rgba(0, 0, 0, 0.9);
}

/* Header */
.app-header {
  padding-top: calc(38px + env(safe-area-inset-top, 0px));
  padding-bottom: 16px;
  padding-left: 20px;
  padding-right: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-glass-surface);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--color-glass-border);
  z-index: 10;
}

.brand-section {
  display: flex;
  flex-direction: column;
}

.app-title {
  font-family: var(--font-title);
  font-size: 17px;
  letter-spacing: 1.5px;
  color: var(--color-gold-bright);
  text-transform: uppercase;
  text-shadow: 0 0 12px rgba(255, 215, 0, 0.4);
}

.brand-subtitle {
  font-size: 9.5px;
  letter-spacing: 2px;
  color: var(--color-cyan-laser);
  text-transform: uppercase;
  font-family: var(--font-mono);
  font-weight: 700;
}

.telemetry-bar {
  display: flex;
  align-items: center;
  gap: 12px;
}

.stat-chip {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.stat-label {
  font-size: 8.5px;
  letter-spacing: 1px;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.stat-digit {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-solar-gold);
  text-shadow: 0 0 10px rgba(255, 170, 0, 0.4);
}

.control-badge {
  background: rgba(255, 170, 0, 0.14);
  border: 1px solid var(--color-glass-border);
  color: var(--color-gold-bright);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 6px 11px;
  border-radius: 6px;
  cursor: pointer;
  letter-spacing: 1px;
  font-weight: 700;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.control-badge:active {
  transform: scale(0.92);
  background: rgba(255, 170, 0, 0.3);
}

.control-badge.muted {
  color: var(--color-danger-coral);
  border-color: rgba(255, 71, 87, 0.35);
  background: rgba(255, 71, 87, 0.12);
}

/* Content Area */
.app-main {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.tab-panel {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
  flex-direction: column;
  z-index: 1;
}

.tab-panel.active {
  display: flex;
}

/* Bottom Navigation */
.app-nav-dock {
  padding: 10px 16px calc(14px + env(safe-area-inset-bottom, 0px)) 16px;
  background: var(--color-glass-surface);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-top: 1px solid var(--color-glass-border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 10;
}

.nav-bar-btn {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-family: var(--font-title);
  font-size: 11px;
  letter-spacing: 1.2px;
  font-weight: 700;
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
}

.nav-bar-btn.active {
  color: var(--color-solar-gold);
  text-shadow: 0 0 10px rgba(255, 170, 0, 0.5);
}

.nav-bar-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 2px;
  background-color: var(--color-cyan-laser);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--color-cyan-laser);
}