:root {
  --bg: #0a0a0a;
  --fg: #f0f0f0;
  --green: #39ff14;
  --pink: #ff10f0;
  --yellow: #ffdd00;
  --cyan: #00ffff;
  --panel: #141414;
  --border: #2a2a2a;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: 'VT323', 'Courier New', monospace;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  padding-top: max(1rem, env(safe-area-inset-top));
  padding-bottom: max(1rem, env(safe-area-inset-bottom));
  padding-left: max(1rem, env(safe-area-inset-left));
  padding-right: max(1rem, env(safe-area-inset-right));
  position: relative;
  overflow-x: hidden;
}

button, input { font-family: inherit; }
button { touch-action: manipulation; -webkit-tap-highlight-color: transparent; }

.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0) 0,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.28) 3px,
    rgba(0, 0, 0, 0.28) 4px
  );
  z-index: 100;
}

.cabinet {
  width: 100%;
  max-width: 480px;
  background: var(--panel);
  border: 4px solid var(--green);
  box-shadow:
    0 0 0 4px var(--bg),
    0 0 0 8px var(--pink),
    0 0 30px rgba(57, 255, 20, 0.4);
  padding: 1.5rem;
}

.screen-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.led-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  animation: blink 1.5s infinite;
}
.led-indicator.green { background: var(--green); box-shadow: 0 0 8px var(--green); }
.led-indicator.pink  { background: var(--pink);  box-shadow: 0 0 8px var(--pink); animation-delay: 0.75s; }

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.3; }
}

h1 {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.95rem;
  margin: 0;
  color: var(--green);
  text-shadow: 2px 2px 0 var(--pink);
  letter-spacing: 2px;
  text-align: center;
  flex: 1;
}

.subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: var(--yellow);
  letter-spacing: 3px;
  margin: 0.5rem 0 1.5rem;
}

.progress-section {
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
}

.progress-ring-wrap {
  position: relative;
  width: 200px;
  height: 200px;
}

.progress-ring-wrap svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.ring-bg {
  fill: none;
  stroke: #1a1a1a;
  stroke-width: 8;
}

.ring-fg {
  fill: none;
  stroke: var(--green);
  stroke-width: 8;
  stroke-linecap: butt;
  stroke-dasharray: 314.159;
  stroke-dashoffset: 314.159;
  transition: stroke-dashoffset 0.4s steps(20);
  filter: drop-shadow(0 0 4px var(--green));
}

.progress-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: 'Press Start 2P', monospace;
  gap: 0.6rem;
}

#progress-percent {
  font-size: 1.4rem;
  color: var(--cyan);
  text-shadow: 0 0 6px var(--cyan);
}

#progress-remaining {
  font-size: 0.5rem;
  color: var(--yellow);
  letter-spacing: 2px;
  text-shadow: 0 0 4px rgba(255, 221, 0, 0.65);
}

.count {
  text-align: center;
  font-size: 1.6rem;
  color: var(--green);
  letter-spacing: 3px;
  margin: 0.75rem 0;
  text-shadow: 0 0 6px rgba(57, 255, 20, 0.7);
}

.goal-message {
  text-align: center;
  font-family: 'Press Start 2P', monospace;
  font-size: 0.65rem;
  color: var(--yellow);
  letter-spacing: 2px;
  margin: 0.5rem 0;
  animation: blink 1s steps(2) infinite;
}

.hidden { display: none !important; }

.action-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin: 1.5rem 0 1rem;
}

.action-btn {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.85rem;
  padding: 1rem 0.25rem;
  background: var(--panel);
  border: 3px solid currentColor;
  cursor: pointer;
  transition: transform 0.05s, box-shadow 0.05s;
  letter-spacing: 1px;
}

.action-btn.green  { color: var(--green); box-shadow: 4px 4px 0 var(--green); }
.action-btn.pink   { color: var(--pink);  box-shadow: 4px 4px 0 var(--pink); }
.action-btn.yellow { color: var(--yellow); box-shadow: 4px 4px 0 var(--yellow); }

.action-btn:hover:not(:disabled) {
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 currentColor;
}

.action-btn:active:not(:disabled) {
  transform: translate(4px, 4px);
  box-shadow: 0 0 0 currentColor;
}

.action-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.custom-section {
  border: 2px dashed var(--border);
  padding: 1rem;
  margin-top: 1rem;
}

.custom-label {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.6rem;
  color: var(--cyan);
  margin: 0 0 0.75rem;
  letter-spacing: 2px;
}

.custom-input-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
}

#custom-amount-input {
  background: var(--bg);
  border: 2px solid var(--green);
  color: var(--green);
  font-family: 'VT323', monospace;
  font-size: 1.4rem;
  padding: 0.5rem;
  outline: none;
}

#custom-amount-input::placeholder { color: rgba(57, 255, 20, 0.4); }

#custom-amount-input:focus {
  border-color: var(--cyan);
  color: var(--cyan);
}

#custom-amount-input:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

#add-custom-btn {
  font-family: 'Press Start 2P', monospace;
  font-size: 0.7rem;
  background: var(--green);
  color: var(--bg);
  border: 3px solid var(--green);
  padding: 0 1rem;
  cursor: pointer;
  letter-spacing: 1px;
}

#add-custom-btn:hover:not(:disabled) {
  background: var(--cyan);
  border-color: var(--cyan);
}

#add-custom-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.feedback {
  font-size: 1.1rem;
  margin: 0.75rem 0 0;
  letter-spacing: 1px;
  min-height: 1.3em;
}

.feedback[data-state="default"] { color: #888; }
.feedback[data-state="success"] { color: var(--green); text-shadow: 0 0 4px var(--green); }
.feedback[data-state="error"]   { color: var(--pink);  text-shadow: 0 0 4px var(--pink); }
.feedback[data-state="info"]    { color: var(--yellow); }

/* ---------- Responsive: tablet / phones ---------- */
@media (max-width: 600px) {
  body { padding: 0.5rem; }

  .cabinet {
    padding: 1rem;
    border-width: 3px;
    box-shadow:
      0 0 0 3px var(--bg),
      0 0 0 6px var(--pink),
      0 0 24px rgba(57, 255, 20, 0.35);
  }

  h1 { font-size: 0.8rem; letter-spacing: 1px; }
  .subtitle { font-size: 1rem; letter-spacing: 2px; margin: 0.4rem 0 1rem; }

  .progress-ring-wrap { width: 170px; height: 170px; }
  #progress-percent { font-size: 1.1rem; }
  #progress-remaining { font-size: 0.45rem; letter-spacing: 1.5px; }

  .count { font-size: 1.3rem; letter-spacing: 2px; }
  .goal-message { font-size: 0.55rem; letter-spacing: 1.5px; }

  .action-row { gap: 0.5rem; margin: 1rem 0 0.75rem; }
  .action-btn {
    font-size: 0.7rem;
    padding: 0.9rem 0.2rem;
    border-width: 2px;
    box-shadow: 3px 3px 0 currentColor !important;
  }
  .action-btn.green  { box-shadow: 3px 3px 0 var(--green) !important; }
  .action-btn.pink   { box-shadow: 3px 3px 0 var(--pink) !important; }
  .action-btn.yellow { box-shadow: 3px 3px 0 var(--yellow) !important; }
  .action-btn:active:not(:disabled) {
    transform: translate(3px, 3px);
    box-shadow: 0 0 0 currentColor !important;
  }

  .custom-section { padding: 0.75rem; }
  .custom-label { font-size: 0.55rem; letter-spacing: 1.5px; }
  #custom-amount-input { font-size: 1.2rem; padding: 0.55rem 0.5rem; min-height: 44px; }
  #add-custom-btn { font-size: 0.6rem; padding: 0 0.85rem; min-height: 44px; }
  .feedback { font-size: 0.95rem; }
}

/* ---------- Very small phones (e.g. iPhone SE 1st gen, 320px) ---------- */
@media (max-width: 360px) {
  .cabinet { padding: 0.75rem; }
  h1 { font-size: 0.7rem; }
  .subtitle { font-size: 0.9rem; }
  .progress-ring-wrap { width: 150px; height: 150px; }
  #progress-percent { font-size: 1rem; }
  .count { font-size: 1.15rem; letter-spacing: 1.5px; }
  .action-btn { font-size: 0.6rem; padding: 0.8rem 0.15rem; }
  .custom-input-row { gap: 0.4rem; }
  #custom-amount-input { font-size: 1.1rem; }
  #add-custom-btn { font-size: 0.55rem; padding: 0 0.65rem; }
}

/* ---------- Landscape on phones (short height) ---------- */
@media (max-height: 520px) and (orientation: landscape) {
  body { align-items: flex-start; padding-top: 0.5rem; padding-bottom: 0.5rem; }
  .cabinet { max-width: 640px; padding: 1rem 1.25rem; }
  .progress-ring-wrap { width: 130px; height: 130px; }
  #progress-percent { font-size: 0.95rem; }
  .subtitle { margin: 0.3rem 0 0.6rem; }
  .action-row { margin: 0.75rem 0 0.5rem; }
  .count { margin: 0.4rem 0; }
}

/* ---------- Disable hover lift on touch devices ---------- */
@media (hover: none) {
  .action-btn:hover:not(:disabled) {
    transform: none;
    box-shadow: 4px 4px 0 currentColor;
  }
  #add-custom-btn:hover:not(:disabled) {
    background: var(--green);
    border-color: var(--green);
  }
}

/* ---------- Respect reduced-motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .led-indicator, .goal-message { animation: none; }
  .ring-fg { transition: none; }
}