@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=JetBrains+Mono:wght@400;700&display=swap');

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

:root {
  --bg: #0a0c14;
  --card: rgba(16, 20, 36, 0.95);
  --border: rgba(255, 255, 255, 0.08);
  --red: #e8303a;
  --orange: #f5a623;
  --blue: #3a7de8;
  --green: #2ecc71;
  --dim: rgba(255, 255, 255, 0.15);
  --text: #e8eaf0;
  --label: rgba(255, 255, 255, 0.45);
}

html {
  background: var(--bg);
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  -webkit-tap-highlight-color: transparent;
}

body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ── Header ── */
#header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  max-width: 480px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  background: rgba(10, 12, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

#status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: background 0.3s;
}

#status-dot.connected    { background: #2ecc71; box-shadow: 0 0 8px #2ecc71; }
#status-dot.disconnected { background: #e8303a; box-shadow: 0 0 8px #e8303a; }

#status-txt.connected    { color: #2ecc71; }
#status-txt.disconnected { color: var(--label); }

/* ── Main ── */
main {
  width: 100%;
  max-width: 480px;
  padding: 16px 16px 120px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ── Card ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.section-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--label);
  text-transform: uppercase;
}

/* ── Value display ── */
.value-display {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 64px;
  line-height: 1;
  color: var(--text);
  text-align: center;
}

.label-display {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--label);
  text-align: center;
  letter-spacing: 0.1em;
}

/* ── Progress bar ── */
.progress-bar-track {
  width: 100%;
  height: 5px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 99px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--orange), #ff6b35);
  border-radius: 99px;
  transition: width 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ── Buttons ── */
.btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: none;
  border-radius: 10px;
  padding: 16px 12px;
  cursor: pointer;
  color: #fff;
  touch-action: manipulation;
  transition: transform 0.12s, opacity 0.12s;
  -webkit-user-select: none;
  user-select: none;
}

.btn:active { transform: scale(0.94); opacity: 0.85; }

.btn-red    { background: var(--red);    box-shadow: 0 2px 12px rgba(232,48,58,0.35); }
.btn-orange { background: var(--orange); box-shadow: 0 2px 12px rgba(245,166,35,0.35); color: #1a1200; }
.btn-blue   { background: var(--blue);   box-shadow: 0 2px 12px rgba(58,125,232,0.35); }
.btn-green  { background: var(--green);  box-shadow: 0 2px 12px rgba(46,204,113,0.35); }
.btn-dim    { background: var(--dim); }

/* ── Button rows ── */
.btn-row {
  display: flex;
  gap: 10px;
}

.btn-row .btn { flex: 1; }

/* ── Rage grid ── */
.rage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.rage-grid .span-4 {
  grid-column: 1 / -1;
}

/* ── Input row ── */
.input-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.ctrl-input {
  flex: 1;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 10px;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  outline: none;
  min-width: 0;
}

.ctrl-input::placeholder { color: var(--label); }
.ctrl-input:focus { border-color: rgba(245, 166, 35, 0.5); }

.input-row .btn { flex-shrink: 0; padding: 12px 18px; }

/* ── Widget toggles ── */
.toggle-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn-toggle {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 99px;
  padding: 8px 16px;
  cursor: pointer;
  background: var(--green);
  color: #fff;
  box-shadow: 0 2px 8px rgba(46, 204, 113, 0.3);
  transition: background 0.2s, box-shadow 0.2s, opacity 0.2s, transform 0.12s;
  -webkit-user-select: none;
  user-select: none;
  touch-action: manipulation;
}

.btn-toggle:active { transform: scale(0.94); }

.btn-toggle.off {
  background: rgba(255, 255, 255, 0.07);
  box-shadow: none;
  opacity: 0.6;
}

/* ── Toast ── */
#toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(30, 35, 55, 0.97);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 22px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.22s, transform 0.22s;
  white-space: nowrap;
  z-index: 999;
}

#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}