/* ============================================================
   BTC://TERMINAL — style.css
   Estetica: terminale CRT, fosfori verdi + accento Bitcoin orange
   ============================================================ */

/* ---------- Variabili ---------- */
:root {
  --bg:         #050705;
  --panel:      #0a0f0b;
  --green:      #3dff88;
  --green-mid:  #1f9c52;
  --green-dim:  #0f3d22;
  --amber:      #f7931a;
  --amber-dim:  #7a4a0d;
  --text:       #b6f7cd;
  --muted:      #4d7d5f;
  --red:        #ff5c5c;

  --font-mono: "JetBrains Mono", "Fira Code", "SFMono-Regular", Menlo,
               Consolas, "Liberation Mono", "Courier New", monospace;

  --radius: 10px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--text);
  background:
    radial-gradient(1100px 700px at 50% -15%, #0c1a11 0%, #050705 55%, #000 100%);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
}

/* ---------- Overlay CRT (scanlines + vignettatura) ---------- */
.crt {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0)    0px,
      rgba(0, 0, 0, 0)    2px,
      rgba(0, 0, 0, 0.20) 3px,
      rgba(0, 0, 0, 0.20) 4px
    );
  mix-blend-mode: multiply;
  opacity: .55;
}

.crt::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,.75) 100%);
}

/* ---------- Finestra del terminale ---------- */
.terminal {
  position: relative;
  width: min(980px, 100%);
  height: min(780px, calc(100dvh - 48px));
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, rgba(10, 20, 13, .97), rgba(4, 9, 6, .99));
  border: 1px solid var(--green-dim);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(61, 255, 136, .05),
    0 0 70px rgba(61, 255, 136, .07),
    0 30px 90px rgba(0, 0, 0, .85);
  animation: flicker 6s infinite steps(1);
}

@keyframes flicker {
  0%, 96%, 100% { opacity: 1; }
  97%           { opacity: .93; }
  98%           { opacity: .98; }
}

/* ---------- Barra del titolo ---------- */
.term-bar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 14px;
  font-size: 12px;
  color: var(--muted);
  background: linear-gradient(180deg, #132015, #0a120c);
  border-bottom: 1px solid var(--green-dim);
  user-select: none;
}

.dots { display: flex; gap: 6px; }
.dots span {
  display: block;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: #26382c;
}
.dots span:nth-child(1) { background: #ff5f57; }
.dots span:nth-child(2) { background: #febc2e; }
.dots span:nth-child(3) { background: #28c840; }

.term-title {
  flex: 1 1 auto;
  text-align: center;
  letter-spacing: .04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.term-clock {
  display: flex;
  align-items: center;
  gap: 7px;
  font-variant-numeric: tabular-nums;
  color: var(--green-mid);
}

.led {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1;   transform: scale(1); }
  50%      { opacity: .35; transform: scale(.85); }
}

/* ---------- Pannello countdown ---------- */
.hero {
  flex: 0 0 auto;
  padding: 18px 20px 16px;
  border-bottom: 1px dashed rgba(61, 255, 136, .13);
}

.cmdline {
  margin: 0 0 14px;
  font-size: 13px;
  color: var(--muted);
}
.cmdline .sym  { color: var(--amber); margin-right: 8px; }
.cmdline .cmd  { color: var(--green); }

.countdown {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.unit {
  position: relative;
  padding: 14px 6px 11px;
  text-align: center;
  border: 1px solid rgba(61, 255, 136, .16);
  border-radius: 8px;
  background: rgba(61, 255, 136, .035);
  overflow: hidden;
}

.unit::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(61,255,136,.09), transparent 65%);
  pointer-events: none;
}

.unit .value {
  display: block;
  font-size: clamp(24px, 5.6vw, 44px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .03em;
  font-variant-numeric: tabular-nums;
  color: var(--green);
  text-shadow: 0 0 16px rgba(61, 255, 136, .55), 0 0 3px rgba(61,255,136,.9);
}

.unit .label {
  display: block;
  margin-top: 9px;
  font-size: 9.5px;
  letter-spacing: .3em;
  color: var(--muted);
}

/* ---------- Riga di metadati ---------- */
.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--muted);
  margin-bottom: 10px;
}

.meta b {
  color: var(--text);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.meta i { font-style: normal; color: var(--amber); }

.meta.small { margin: 10px 0 0; font-size: 11px; }

/* ---------- Barra di progresso ---------- */
.bar {
  height: 10px;
  border: 1px solid rgba(247, 147, 26, .3);
  border-radius: 999px;
  background: rgba(247, 147, 26, .07);
  overflow: hidden;
}

.fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--amber-dim), var(--amber));
  box-shadow: 0 0 14px rgba(247, 147, 26, .7);
  transition: width .8s cubic-bezier(.4, 0, .2, 1);
}

/* ---------- Stato rete ---------- */
.status {
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 10px;
  letter-spacing: .12em;
  border: 1px solid currentColor;
}
.status.offline  { color: var(--muted); }
.status.syncing  { color: var(--amber); animation: pulse 1s infinite; }
.status.online   { color: var(--green); }
.status.manual   { color: #66b3ff; }

/* ---------- Log ---------- */
.log {
  flex: 1 1 auto;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 14px 20px 18px;
  font-size: 13.5px;
  line-height: 1.65;
  scrollbar-width: thin;
  scrollbar-color: rgba(61,255,136,.22) transparent;
}

.log::-webkit-scrollbar        { width: 8px; }
.log::-webkit-scrollbar-track  { background: transparent; }
.log::-webkit-scrollbar-thumb  {
  background: rgba(61, 255, 136, .16);
  border-radius: 4px;
}
.log::-webkit-scrollbar-thumb:hover { background: rgba(61, 255, 136, .3); }

.line {
  white-space: pre-wrap;
  word-break: break-word;
  animation: fadein .18s ease-out;
}

@keyframes fadein {
  from { opacity: 0; transform: translateY(3px); }
  to   { opacity: 1; transform: none; }
}

.line .dim    { color: var(--muted); }
.line .ok     { color: var(--green); }
.line .warn   { color: var(--amber); }
.line .err    { color: var(--red); }
.line .accent { color: var(--amber); font-weight: 700; }
.line .hl     { color: var(--green); font-weight: 700; }
.line .echo   { color: var(--green); }
.line .echo .sym { color: var(--amber); margin-right: 8px; }
.line .head   { color: var(--muted); letter-spacing: .1em; }

/* ---------- Input ---------- */
.input-line {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 12px 20px;
  border-top: 1px solid rgba(61, 255, 136, .16);
  background: rgba(0, 0, 0, .35);
}

.prompt {
  color: var(--green);
  font-size: 13.5px;
  white-space: nowrap;
  text-shadow: 0 0 8px rgba(61, 255, 136, .4);
  cursor: text;
}

#cmd {
  flex: 1 1 auto;
  min-width: 0;
  padding: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--green);
  font: inherit;
  font-size: 16px;   /* evita lo zoom automatico su iOS */
  caret-color: var(--green);
  text-shadow: 0 0 8px rgba(61, 255, 136, .35);
}

@media (min-width: 640px) {
  #cmd { font-size: 13.5px; }
}

#cmd::placeholder {
  color: rgba(77, 125, 95, .65);
  text-shadow: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 620px) {
  body { padding: 10px 8px; }

  .terminal {
    height: calc(100dvh - 20px);
    border-radius: 8px;
  }

  .hero { padding: 14px 14px 12px; }

  .countdown {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .unit { padding: 11px 4px 9px; }

  .meta { font-size: 10.5px; gap: 4px 14px; }

  .log { padding: 12px 14px 16px; font-size: 12.5px; }

  .input-line { padding: 11px 14px; }

  .term-title { display: none; }
  .term-bar   { justify-content: space-between; }
}

/* ---------- Accessibilità: riduzione del movimento ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .crt { display: none; }
}

/* ---------- Selezione ---------- */
::selection {
  background: rgba(61, 255, 136, .28);
  color: #fff;
}