/* ============================================================
   Microwave Games — Platform Shell Styles
   Amber LCD aesthetic (classic microwave display)
   ============================================================ */

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

:root {
  --bg:            #0a0a0a;
  --surface:       #141414;
  --border:        #2a2a2a;
  --display-bg:    #0c1a00;
  --accent:        #ffab00;   /* amber LCD */
  --accent-dim:    #7a5200;
  --accent-bright: #ffd54f;
  --danger:        #ff3300;
  --danger-dim:    #8b1a00;
  --text:          #c8c8c8;
  --text-dim:      #555;
  --font:          'Courier New', Courier, monospace;
  --hud-h:         52px;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

/* ── Screens ────────────────────────────────────────────────── */

.screen {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  /* Keep content above the home indicator in PWA / standalone mode */
  padding-bottom: max(1.25rem, env(safe-area-inset-bottom, 0px));
  background: var(--bg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.screen.active {
  opacity: 1;
  pointer-events: all;
}

/* ── LCD Display Panel ──────────────────────────────────────── */

.display-panel {
  background: var(--display-bg);
  border: 2px solid var(--accent-dim);
  border-radius: 10px;
  padding: 1.5rem 2rem 1.25rem;
  text-align: center;
  width: 100%;
  max-width: 400px;
  margin-bottom: 1.5rem;
  box-shadow:
    inset 0 0 40px rgba(0, 0, 0, 0.7),
    0 0 24px rgba(255, 171, 0, 0.08);
}

.brand {
  font-size: 2.4rem;
  font-weight: bold;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-shadow: 0 0 12px var(--accent);
  line-height: 1.1;
}

.brand-sub {
  font-size: 0.75rem;
  letter-spacing: 0.45em;
  color: var(--accent-dim);
  margin-top: 0.3rem;
}

.tagline {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: #3a2800;
  margin-top: 0.6rem;
  text-transform: uppercase;
}

.display-time {
  font-size: 3rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-shadow: 0 0 18px var(--accent);
  margin-top: 0.5rem;
  font-variant-numeric: tabular-nums;
  min-height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Controls ───────────────────────────────────────────────── */

.controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  width: 100%;
  max-width: 400px;
}

.prompt {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--text-dim);
}

.time-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  width: 100%;
}

/* ── Buttons ────────────────────────────────────────────────── */

.time-btn {
  background: var(--surface);
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  border-radius: 7px;
  padding: 1rem 0.5rem;
  font-family: var(--font);
  font-size: 1.05rem;
  font-weight: bold;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-color 0.12s, box-shadow 0.12s, transform 0.08s;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.time-btn:hover {
  background: var(--accent-dim);
  color: var(--accent-bright);
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(255, 171, 0, 0.25);
}

.time-btn:active {
  transform: scale(0.95);
  background: var(--accent);
  color: #000;
}

/* ── Custom Time Input ──────────────────────────────────────── */

.custom-input {
  display: flex;
  align-items: flex-end;
  gap: 0.6rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 0.75rem 1rem;
  width: 100%;
  transition: opacity 0.2s;
}

.custom-input.hidden {
  display: none;
}

.custom-input label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
}

.custom-input label span {
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  color: var(--text-dim);
}

.custom-input input[type="number"] {
  background: var(--display-bg);
  border: 1px solid var(--accent-dim);
  color: var(--accent);
  font-family: var(--font);
  font-size: 1.6rem;
  text-align: center;
  width: 100%;
  padding: 0.35rem 0.25rem;
  border-radius: 5px;
  -moz-appearance: textfield;
}

.custom-input input[type="number"]:focus {
  outline: none;
  border-color: var(--accent);
}

.custom-input input[type="number"]::-webkit-inner-spin-button,
.custom-input input[type="number"]::-webkit-outer-spin-button {
  opacity: 0.5;
}

.custom-input .colon {
  font-size: 1.6rem;
  color: var(--accent);
  flex-shrink: 0;
  padding-bottom: 0.35rem;
}

.custom-input .time-btn.start {
  flex-shrink: 0;
  padding: 0.7rem 1rem;
  font-size: 0.8rem;
  align-self: flex-end;
}

/* ── Error / info message ───────────────────────────────────── */

.error {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--danger);
  text-align: center;
  min-height: 1rem;
}

.error.hidden {
  visibility: hidden;
}

/* ── Loading Screen ─────────────────────────────────────────── */

.loading-text {
  font-size: 1.3rem;
  letter-spacing: 0.3em;
  color: var(--accent);
  text-shadow: 0 0 12px var(--accent);
  animation: blink 0.7s step-end infinite;
  min-height: 2rem;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.15; }
}

.loading-bar {
  width: 100%;
  max-width: 400px;
  height: 5px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 1.5rem;
}

.loading-fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.loading-fill.run {
  animation: fillBar 1.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes fillBar {
  0%   { width: 0%; }
  60%  { width: 75%; }
  100% { width: 100%; }
}

/* ── Game Screen ─────────────────────────────────────────────── */

#game-screen {
  padding: 0;
  justify-content: flex-start;
  /* Override .screen's align-items:center so HUD and iframe stretch full-width
     on narrow viewports without needing width:100% to "win" */
  align-items: stretch;
}

.game-hud {
  /* Extend into the status-bar / notch area on phones */
  height: calc(var(--hud-h) + env(safe-area-inset-top, 0px));
  padding-top: env(safe-area-inset-top, 0px);
  padding-left: max(0.75rem, env(safe-area-inset-left, 0px));
  padding-right: max(0.75rem, env(safe-area-inset-right, 0px));
  flex-shrink: 0;
  width: 100%;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.hud-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--font);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  padding: 0.4rem 0.65rem;
  border-radius: 5px;
  cursor: pointer;
  flex-shrink: 0;
  transition: color 0.15s, border-color 0.15s;
  -webkit-tap-highlight-color: transparent;
}

.hud-btn:hover {
  color: var(--danger);
  border-color: var(--danger-dim);
}

.hud-title {
  flex: 1;
  text-align: center;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  text-transform: uppercase;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hud-timer {
  font-size: 1.4rem;
  letter-spacing: 0.04em;
  color: var(--accent);
  text-shadow: 0 0 8px var(--accent);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
  min-width: 3.5ch;
  text-align: right;
  transition: color 0.3s, text-shadow 0.3s;
}

.hud-timer.urgent {
  color: var(--danger);
  text-shadow: 0 0 14px var(--danger);
  animation: urgentPulse 0.5s step-end infinite;
}

@keyframes urgentPulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.25; }
}

#game-frame {
  flex: 1;
  /* min-height:0 is required: without it flex items default to
     min-height:auto which lets an iframe overflow its container
     instead of being constrained by the flex algorithm */
  min-height: 0;
  width: 100%;
  border: none;
  display: block;
  background: #000;
}

/* ── Game Over Screen ────────────────────────────────────────── */

#gameover-screen .brand {
  font-size: 1.8rem;
  letter-spacing: 0.12em;
}

#gameover-screen .brand-sub {
  margin-top: 0.5rem;
  font-size: 0.7rem;
}

#final-score {
  font-size: 2.8rem;
  margin-top: 0.4rem;
  color: var(--accent-bright);
  text-shadow: 0 0 20px var(--accent);
}

#gameover-screen .controls {
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
}

#gameover-screen .time-buttons {
  max-width: 320px;
}

/* ── Responsive ──────────────────────────────────────────────── */

@media (min-width: 600px) {
  .time-buttons { grid-template-columns: repeat(4, 1fr); }
  .brand        { font-size: 3rem; }
}

@media (max-height: 500px) {
  .display-panel { padding: 0.75rem 1rem; margin-bottom: 0.75rem; }
  .brand         { font-size: 1.6rem; }
  .brand-sub     { display: none; }
  .tagline       { display: none; }
  .time-btn      { padding: 0.7rem 0.4rem; }
}