:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #14141f;
  --bg-tertiary: #1e1e2e;
  --text-primary: #ffffff;
  --text-secondary: #a0a0b0;
  --text-muted: #606070;
  --accent: #00d4ff;
  --accent-secondary: #00ff88;
  --danger: #ff4466;
  --focus-ring: #00d4ff;
  --focus-glow: rgba(0, 212, 255, 0.4);
  --radius-md: 12px;

  --expected: #ffb020;
  --optional: #00d4ff;
  --rare: #8a8a9a;
  --avoid: #ff4466;
}

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

html, body {
  width: 600px; height: 600px; overflow: hidden;
  background: #000;
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 18px;
  line-height: 1.4;
}

#app { width: 100%; height: 100%; position: relative; }

.screen {
  width: 100%; height: 100%; position: absolute; top: 0; left: 0;
  display: flex; flex-direction: column;
}
.screen.hidden { display: none; }
.hidden { display: none !important; }

.focusable {
  transition: all 0.15s ease;
  border: 2px solid transparent;
  cursor: pointer;
  outline: none;
}
.focusable:focus {
  border-color: var(--focus-ring);
  box-shadow: 0 0 20px var(--focus-glow);
}

/* ---------- HOME ---------- */
.hero {
  padding: 36px 28px 18px;
  text-align: center;
}
.hero-icon { font-size: 52px; line-height: 1; }
.hero h1 {
  font-size: 34px;
  font-weight: 700;
  margin-top: 8px;
  letter-spacing: 0.5px;
}
.hero-sub { color: var(--text-secondary); font-size: 17px; margin-top: 4px; }

.menu {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 8px 22px;
  overflow-y: auto;
}
.menu-item {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  min-height: 88px;
  padding: 14px 18px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  text-align: left;
}
.menu-emoji { font-size: 30px; flex-shrink: 0; width: 40px; text-align: center; }
.menu-text { display: flex; flex-direction: column; flex: 1; }
.menu-title { font-size: 21px; font-weight: 600; }
.menu-desc { font-size: 15px; color: var(--text-secondary); }
.menu-chev { font-size: 30px; color: var(--text-muted); flex-shrink: 0; }

.hint {
  padding: 12px;
  text-align: center;
  font-size: 14px;
  color: var(--text-muted);
}

/* ---------- TOP BAR ---------- */
.bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--bg-primary);
  border-bottom: 1px solid #23233a;
  flex-shrink: 0;
}
.bar h2 { font-size: 23px; font-weight: 600; flex: 1; }
.bar-count { color: var(--text-muted); font-size: 15px; }
.iconbtn {
  width: 52px; height: 52px;
  flex-shrink: 0;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-radius: 12px;
  font-size: 30px;
  line-height: 1;
  display: flex; align-items: center; justify-content: center;
}

/* ---------- LISTS ---------- */
.list {
  flex: 1;
  overflow-y: auto;
  padding: 14px 18px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.country-item {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  min-height: 64px;
  padding: 10px 16px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  text-align: left;
}
.country-flag { font-size: 30px; flex-shrink: 0; width: 40px; text-align: center; }
.country-name { flex: 1; font-size: 19px; font-weight: 600; }

.badge {
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  padding: 5px 11px;
  border-radius: 999px;
  color: #0a0a0f;
}
.status-expected { background: var(--expected); }
.status-optional { background: var(--optional); }
.status-rare     { background: var(--rare); }
.status-avoid    { background: var(--avoid); color: #fff; }

/* ---------- DETAIL ---------- */
.detail-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 18px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.detail-head {
  display: flex;
  align-items: center;
  gap: 14px;
}
.detail-flag { font-size: 46px; line-height: 1; }
.detail-head-text { flex: 1; }
.detail-region { color: var(--text-secondary); font-size: 15px; }
.detail-statusrow { margin-top: 4px; }

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.stat {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}
.stat-key { display: flex; align-items: center; gap: 8px; color: var(--text-secondary); font-size: 15px; }
.stat-key .ico { font-size: 18px; }
.stat-val { font-size: 18px; font-weight: 600; margin-top: 4px; }

.detail-term {
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 16px;
}
.detail-term b { color: var(--accent); }
.detail-notes {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 14px;
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.5;
}
.detail-notes strong { color: var(--text-primary); }

.detail-cta {
  display: flex;
  gap: 10px;
  margin-top: 2px;
}

/* ---------- CALCULATOR ---------- */
.calc-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.result {
  background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
  border-radius: 16px;
  padding: 18px 20px;
}
.result-tip {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}
.result-label { font-size: 18px; color: var(--text-secondary); }
.result-tipval { font-size: 42px; font-weight: 700; color: var(--accent-secondary); }
.result-rows { margin-top: 12px; display: flex; flex-direction: column; gap: 6px; }
.result-row {
  display: flex; justify-content: space-between;
  font-size: 18px; color: var(--text-secondary);
}
.result-row span:last-child { color: var(--text-primary); font-weight: 600; }

.steppers { display: flex; flex-direction: column; gap: 10px; }
.stepper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 8px 14px;
}
.stepper-label { font-size: 18px; color: var(--text-secondary); }
.stepper-ctrls { display: flex; align-items: center; gap: 12px; }
.step {
  width: 56px; height: 56px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-radius: 12px;
  font-size: 30px;
  line-height: 1;
  display: flex; align-items: center; justify-content: center;
}
.stepper-val {
  min-width: 88px;
  text-align: center;
  font-size: 24px;
  font-weight: 700;
}

.quick { display: flex; gap: 10px; }
.chip {
  flex: 1;
  min-height: 56px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  font-size: 18px;
  font-weight: 600;
  display: flex; align-items: center; justify-content: center;
}
.chip.wide { flex: 2; }
.chip .sym, .chip span { pointer-events: none; }

/* ---------- ETIQUETTE ---------- */
.tip-item {
  display: flex;
  gap: 14px;
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  text-align: left;
  align-items: flex-start;
}
.tip-emoji { font-size: 28px; flex-shrink: 0; width: 38px; text-align: center; }
.tip-text { flex: 1; }
.tip-title { font-size: 18px; font-weight: 600; }
.tip-desc { font-size: 15px; color: var(--text-secondary); margin-top: 2px; line-height: 1.45; }

/* ---------- ABOUT ---------- */
.about-body {
  flex: 1;
  overflow-y: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-size: 17px;
  color: var(--text-secondary);
}
.about-body strong { color: var(--text-primary); }
.about-body h3 { color: var(--text-primary); font-size: 18px; margin-bottom: 8px; }
.legend, .about-controls {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 16px;
}
.legend-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  font-size: 15px;
}
.legend-row:last-child { margin-bottom: 0; }
.legend-row .badge { width: 96px; text-align: center; }
.disclaimer { font-size: 14px; color: var(--text-muted); font-style: italic; }
.about-body .chip { flex: none; padding: 0 20px; align-self: flex-start; }

/* Scrollbars (subtle) */
.list::-webkit-scrollbar, .calc-body::-webkit-scrollbar,
.detail-body::-webkit-scrollbar, .about-body::-webkit-scrollbar,
.menu::-webkit-scrollbar { width: 6px; }
.list::-webkit-scrollbar-thumb, .calc-body::-webkit-scrollbar-thumb,
.detail-body::-webkit-scrollbar-thumb, .about-body::-webkit-scrollbar-thumb,
.menu::-webkit-scrollbar-thumb { background: #2a2a3e; border-radius: 3px; }