:root {
  --bg-color: #0b0b0b;
  --panel-bg: #1a1a1a;
  --accent-color: #fcb819;
  --accent-text: #000000;
  --text-main: #ffffff;
  --text-muted: #a0a0a0;
  --border-color: #333333;
  --danger-color: #e53935;
  --warning-color: #fdd835;
  --info-color: #1e88e5;
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

@font-face {
  font-family: 'Russo One';
  src: url('fonts/russo-one.woff2') format('woff2');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  touch-action: manipulation;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.5;
  padding-bottom: 70px;
  -webkit-user-select: none;
  user-select: none;
}

h1, h2, h3, .brand-logo {
  font-family: 'Russo One', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

header {
  background: #000;
  border-bottom: 2px solid var(--accent-color);
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand-logo {
  color: var(--accent-color);
  font-size: 20px;
}

.tech-info {
  font-size: 14px;
  color: var(--text-muted);
}

.screen {
  display: none;
  padding: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.screen.active {
  display: block;
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 56px;
  padding: 14px 20px;
  font-size: 18px;
  font-weight: bold;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  margin-bottom: 12px;
  text-decoration: none;
  text-align: center;
}

.btn-primary {
  background-color: var(--accent-color);
  color: var(--accent-text);
}

.btn-secondary {
  background-color: var(--panel-bg);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-danger {
  background-color: var(--danger-color);
  color: #fff;
}

.search-box {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.search-box input {
  flex: 1;
  min-height: 56px;
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 0 16px;
  font-size: 18px;
  border-radius: 8px;
}

.card {
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

.peculiarity {
  padding: 14px;
  border-radius: 6px;
  margin-bottom: 12px;
  border-left: 6px solid #ccc;
}

.peculiarity.critical {
  background: rgba(229, 57, 53, 0.15);
  border-left-color: var(--danger-color);
}

.peculiarity.important {
  background: rgba(253, 216, 53, 0.15);
  border-left-color: var(--warning-color);
}

.peculiarity.note {
  background: rgba(30, 136, 229, 0.15);
  border-left-color: var(--info-color);
}

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: #000;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 100;
}

.bottom-nav button {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
}

.bottom-nav button.active {
  color: var(--accent-color);
}

.badge {
  display: inline-block;
  padding: 2px 6px;
  font-size: 12px;
  border-radius: 4px;
  background: var(--border-color);
  color: #fff;
  margin-left: 6px;
}

.hidden { display: none !important; }