:root{--bg:#07000d;--panel:rgba(18,0,32,.88);--purple:#9d35ff;--pink:#ff4de3;--green:#39ff88;--red:#ff4545;--muted:#bca8dd}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;color:white;font-family:Menlo,Monaco,Consolas,monospace;background:radial-gradient(circle at top left,rgba(157,53,255,.25),transparent 35%),radial-gradient(circle at top right,rgba(255,77,227,.16),transparent 30%),var(--bg)}
.shell{padding:38px}
header{display:flex;justify-content:space-between;gap:24px;align-items:start;border-bottom:1px solid rgba(157,53,255,.6);padding-bottom:22px}
h1{margin:0;color:var(--pink);font-size:44px;text-shadow:0 0 18px var(--pink)}
h1 span{color:var(--muted);font-size:18px}
#status,.note{color:var(--muted)}
.market{border:1px solid var(--green);color:var(--green);padding:12px 16px;border-radius:10px;box-shadow:0 0 14px rgba(57,255,136,.35)}
.ticker{margin:22px 0;padding:14px;border:1px solid rgba(157,53,255,.55);border-radius:12px;background:rgba(0,0,0,.25);white-space:nowrap;overflow:hidden}
.ticker span{display:inline-block;margin-right:34px}
.grid,.metrics,.editor{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.card,.panel,.edit-card,.metrics div{border:1px solid var(--purple);border-radius:14px;background:var(--panel);box-shadow:0 0 18px rgba(157,53,255,.55)}
.card,.panel,.edit-card,.metrics div{padding:22px}
.card-top{display:flex;justify-content:space-between}
.card h2,.edit-card h3{margin-top:0}
.symbol,.small,.edit-card label,.metrics span{color:var(--muted)}
.price{font-size:40px;margin:22px 0}
.up{color:var(--green);text-shadow:0 0 10px rgba(57,255,136,.5)}
.down{color:var(--red);text-shadow:0 0 10px rgba(255,69,69,.5)}
.panel{margin-top:22px}
.panel h2{margin-top:0;color:var(--pink)}
.metrics span{display:block;margin-bottom:8px}
.metrics b{font-size:24px}
.edit-card label{display:block;font-size:13px;margin:12px 0 6px}
.edit-card input{width:100%;background:#090011;color:white;border:1px solid var(--purple);border-radius:8px;padding:10px;font-family:inherit}
.edit-card input:focus{outline:none;border-color:var(--pink);box-shadow:0 0 12px rgba(255,77,227,.65)}

/* v0.3 polish */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 100% 4px;
  mix-blend-mode: overlay;
}

.card, .panel, .edit-card, .metrics div {
  backdrop-filter: blur(8px);
}

.card:hover, .edit-card:hover, .metrics div:hover {
  transform: translateY(-2px);
  transition: .18s ease;
  box-shadow: 0 0 26px rgba(255,77,227,.45);
}

.market::before {
  content: "● ";
}

#status::before {
  content: "● ";
  color: var(--green);
  text-shadow: 0 0 10px var(--green);
}

.price {
  letter-spacing: 1px;
}

.ticker {
  box-shadow: inset 0 0 18px rgba(157,53,255,.25);
}

.ticker span {
  text-shadow: 0 0 8px currentColor;
}

.card {
  position: relative;
  overflow: hidden;
}

.card::after {
  content: "";
  position: absolute;
  inset: -80px;
  background: radial-gradient(circle at top right, rgba(255,77,227,.12), transparent 35%);
  pointer-events: none;
}

.change {
  font-weight: bold;
}

button, input {
  transition: .15s ease;
}

input:hover {
  border-color: var(--pink);
}

@media (max-width: 800px) {
  .shell {
    padding: 22px;
  }

  header {
    flex-direction: column;
  }

  h1 {
    font-size: 34px;
  }

  .price {
    font-size: 32px;
  }
}

.spark {
  display: block;
  width: 100%;
  height: 76px;
  margin: 18px 0 10px;
  filter: drop-shadow(0 0 8px currentColor);
  opacity: .95;
}

.empty-spark {
  height: 76px;
  display: flex;
  align-items: center;
  color: var(--muted);
  border-top: 1px solid rgba(157,53,255,.18);
  border-bottom: 1px solid rgba(157,53,255,.18);
  opacity: .7;
}

.card {
  min-height: 280px;
}

.spark {
  display: block;
  width: 100%;
  height: 76px;
  margin: 18px 0 10px;
  filter: drop-shadow(0 0 8px currentColor);
  opacity: .95;
}

.empty-spark {
  height: 76px;
  display: flex;
  align-items: center;
  color: var(--muted);
  border-top: 1px solid rgba(157,53,255,.18);
  border-bottom: 1px solid rgba(157,53,255,.18);
  opacity: .7;
}

.card {
  min-height: 280px;
}

.spark {
  display: block;
  width: 100%;
  height: 72px;
  margin: 18px 0 10px;
  opacity: .95;
  filter: drop-shadow(0 0 8px currentColor);
}

.spark-placeholder {
  height: 72px;
  margin: 18px 0 10px;
  display: flex;
  align-items: center;
  color: var(--muted);
  border-top: 1px solid rgba(157,53,255,.20);
  border-bottom: 1px solid rgba(157,53,255,.20);
}

.card {
  min-height: 300px;
}

.spark {
  display: block;
  width: 100%;
  height: 72px;
  margin: 18px 0 10px;
  opacity: .95;
}

.spark-placeholder {
  height: 72px;
  margin: 18px 0 10px;
  display: flex;
  align-items: center;
  color: var(--muted);
  border-top: 1px solid rgba(157,53,255,.20);
  border-bottom: 1px solid rgba(157,53,255,.20);
}

.card {
  min-height: 300px;
}

.site-link {
  color: var(--muted);
  text-decoration: none;
  align-self: center;
  font-size: 16px;
  text-shadow: 0 0 10px rgba(188,168,221,.55);
}

.site-link:hover {
  color: var(--pink);
  text-shadow: 0 0 14px var(--pink);
}

.market {
  text-decoration: none;
}

.breakdown {
  overflow-x: auto;
}

.breakdown table {
  width: 100%;
  border-collapse: collapse;
  min-width: 820px;
}

.breakdown th,
.breakdown td {
  text-align: left;
  padding: 12px;
  border-bottom: 1px solid rgba(157,53,255,.22);
}

.breakdown th {
  color: var(--muted);
  font-weight: normal;
}

.mini {
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 0;
}

.deal {
  display: grid;
  grid-template-columns: minmax(260px, 420px) 1fr;
  gap: 18px;
}

.deal-form,
.deal-results {
  border: 1px solid rgba(157,53,255,.45);
  border-radius: 14px;
  padding: 18px;
  background: rgba(0,0,0,.25);
}

.deal-form label {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin: 12px 0 6px;
}

.deal-form input,
.deal-form select {
  width: 100%;
  background: #090011;
  color: white;
  border: 1px solid var(--purple);
  border-radius: 8px;
  padding: 10px;
  font-family: inherit;
}

.deal-results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
}

.deal-results div {
  border: 1px solid rgba(157,53,255,.22);
  border-radius: 10px;
  padding: 14px;
}

.deal-results span {
  display: block;
  color: var(--muted);
  margin-bottom: 8px;
}

.deal-results b {
  font-size: 22px;
}

.verdict.excellent { color: var(--green); }
.verdict.fair { color: #ffd166; }
.verdict.high { color: #ff9f1c; }
.verdict.expensive { color: var(--red); }

@media (max-width: 900px) {
  .deal {
    grid-template-columns: 1fr;
  }
}

.chart-meta {
  font-size: 12px;
  margin: -4px 0 10px;
  opacity: .9;
}

/* ---------- v0.6 Smooth Chart Upgrade ---------- */

.spark-wrap {
  position: relative;
  margin: 18px 0 8px;
}

.spark {
  display: block;
  width: 100%;
  height: 104px;
  opacity: .96;
  filter: drop-shadow(0 0 9px rgba(57,255,136,.28));
}

.range-badge {
  position: absolute;
  right: 0;
  bottom: 0;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 2px;
  opacity: .75;
}

.chart-meta {
  display: none;
}

.spark-placeholder {
  height: 104px;
}

/* ---------- v0.7 Expandable Chart Modal ---------- */

.chart-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(3, 0, 10, .88);
  backdrop-filter: blur(10px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 28px;
}

.chart-modal.open {
  display: flex;
}

.chart-box {
  width: min(1100px, 96vw);
  border: 1px solid rgba(157,53,255,.65);
  border-radius: 22px;
  background: rgba(10,0,20,.96);
  box-shadow: 0 0 40px rgba(157,53,255,.45);
  padding: 28px;
}

.chart-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 22px;
}

.chart-title h2 {
  margin: 0;
  font-size: 32px;
}

.chart-title p {
  color: var(--muted);
  margin: 6px 0 0;
}

.close-chart {
  background: transparent;
  color: var(--muted);
  border: 1px solid rgba(157,53,255,.5);
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
}

.close-chart:hover {
  color: white;
  border-color: var(--pink);
}

.big-chart {
  width: 100%;
  height: 360px;
}

.card {
  cursor: pointer;
}

.card:hover {
  border-color: rgba(255,77,227,.75);
}

/* ---------- v0.8 APMEX Market Details ---------- */

.market-details {
  margin: 16px 0 8px;
  padding: 12px 14px;
  border: 1px solid rgba(157,53,255,.28);
  border-radius: 12px;
  background: rgba(255,255,255,.025);
}

.market-details > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 5px 0;
  font-size: 13px;
}

.market-details > div + div {
  border-top: 1px solid rgba(255,255,255,.055);
}

.market-details span {
  color: var(--muted);
  letter-spacing: .03em;
}

.market-details b {
  color: #f5f2ff;
  font-weight: 600;
  text-align: right;
}

.market-details > div:last-child b {
  color: var(--pink);
}


/* ---------- v1.0 Interactive chart crosshair ---------- */

#bigChart {
  position: relative;
}

.interactive-chart-shell {
  position: relative;
  width: 100%;
  overflow: hidden;
  border: 1px solid rgba(157, 53, 255, .28);
  border-radius: 16px;
  background:
    radial-gradient(circle at 50% 0%, rgba(157, 53, 255, .10), transparent 48%),
    rgba(4, 0, 12, .78);
}

.big-chart {
  display: block;
  width: 100%;
  height: 400px;
  touch-action: none;
  cursor: crosshair;
}

.chart-grid-line {
  stroke: rgba(255, 255, 255, .075);
  stroke-width: 1;
  stroke-dasharray: 5 9;
  vector-effect: non-scaling-stroke;
}

.chart-crosshair {
  pointer-events: none;
  transition: opacity .08s ease;
}

.chart-crosshair-line {
  stroke: rgba(255, 255, 255, .62);
  stroke-width: 1;
  stroke-dasharray: 5 5;
}

.chart-hit-area {
  pointer-events: all;
  cursor: crosshair;
}

.chart-hover-tooltip {
  position: absolute;
  z-index: 5;
  min-width: 165px;
  padding: 11px 13px;
  border: 1px solid rgba(255, 77, 227, .58);
  border-radius: 11px;
  background: rgba(8, 0, 18, .94);
  box-shadow:
    0 12px 34px rgba(0, 0, 0, .45),
    0 0 20px rgba(157, 53, 255, .22);
  backdrop-filter: blur(12px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(5px);
  transition:
    opacity .10s ease,
    transform .10s ease,
    visibility .10s ease;
}

.chart-hover-tooltip.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.chart-tooltip-date {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .04em;
}

.chart-tooltip-price {
  color: #fff;
  font-size: 23px;
  font-weight: 750;
  line-height: 1.1;
}

.chart-tooltip-metal {
  margin-top: 6px;
  color: var(--pink);
  font-size: 11px;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.chart-axis-label {
  position: absolute;
  bottom: 8px;
  color: rgba(255, 255, 255, .42);
  font-size: 10px;
  letter-spacing: .04em;
  pointer-events: none;
}

.chart-axis-start {
  left: 35px;
}

.chart-axis-end {
  right: 22px;
}

@media (max-width: 700px) {
  .chart-box {
    padding: 18px;
  }

  .big-chart {
    height: 320px;
  }

  .chart-title h2 {
    font-size: 25px;
  }
}


/* ---------- v1.1 Trading-style chart axes ---------- */

.chart-horizontal-line {
  stroke: rgba(255, 255, 255, .34);
  stroke-dasharray: 3 6;
}

.chart-price-badge,
.chart-time-badge {
  position: absolute;
  z-index: 6;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity .08s ease,
    visibility .08s ease;
}

.chart-price-badge.visible,
.chart-time-badge.visible {
  opacity: 1;
  visibility: visible;
}

.chart-price-badge {
  right: 5px;
  min-width: 82px;
  padding: 6px 9px;
  border: 1px solid rgba(255, 77, 227, .72);
  border-radius: 7px;
  background: rgba(22, 2, 35, .96);
  box-shadow:
    0 0 18px rgba(157, 53, 255, .24),
    0 7px 22px rgba(0, 0, 0, .35);
  color: #fff;
  font-size: 12px;
  font-weight: 750;
  text-align: center;
  transform: translateY(-1px);
}

.chart-time-badge {
  bottom: 4px;
  min-width: 132px;
  padding: 5px 8px;
  border: 1px solid rgba(157, 53, 255, .55);
  border-radius: 7px;
  background: rgba(16, 1, 29, .97);
  box-shadow: 0 7px 20px rgba(0, 0, 0, .35);
  color: rgba(255, 255, 255, .88);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: .025em;
  text-align: center;
}

.chart-axis-label {
  max-width: 145px;
  line-height: 1.2;
}

.chart-axis-start {
  text-align: left;
}

.chart-axis-end {
  text-align: right;
}

@media (max-width: 700px) {
  .chart-axis-label {
    max-width: 112px;
    font-size: 9px;
  }

  .chart-price-badge {
    min-width: 72px;
    padding: 5px 7px;
    font-size: 11px;
  }

  .chart-time-badge {
    min-width: 115px;
    font-size: 9px;
  }
}