/* ============================================================
   Core Hash Mining Store · shared chrome + catalog styles
   ============================================================ */

:root {
  --ink: #0b2d4f;
  --ink-2: #1d3c5f;
  --muted: #6b7a8e;
  --line: #e5ebf2;
  --line-2: #eef2f7;
  --bg: #ffffff;
  --bg-alt: #f5f8fc;
  --primary: #1256E3;
  --primary-dk: #0e43b4;
  --primary-soft: #eaf2ff;
  --green: #1a8f62;
  --leaf: #6bd1a4;
  --gold: #f4b936;
  --warn: #c68017;
  --danger: #c4453d;
  --orange: #ea7a1f;
  --orange-soft: #fdebd6;
  --purple: #7c3aed;
  --purple-soft: #f1ebff;
  --btc: #f7931a;
  --sans: 'Inter Tight', system-ui, sans-serif;
  --serif: 'Instrument Serif', serif;
  --mono: 'JetBrains Mono', monospace;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg-alt);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
button { font-family: inherit; }

.app { display: grid; grid-template-columns: 244px 1fr; min-height: 100vh; }

/* ============ Sidebar ============ */
.side {
  background: var(--ink);
  color: rgba(255,255,255,.8);
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.side__logo { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; padding: 4px 8px; margin-bottom: 24px; }
.side__logo span { font-family: var(--sans); font-weight: 700; font-size: 18px; color: #fff; letter-spacing: -0.3px; }

.side__group { margin-bottom: 18px; }
.side__group-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255,255,255,.4);
  font-family: var(--mono);
  padding: 0 10px;
  margin-bottom: 6px;
}
.side__nav { display: flex; flex-direction: column; gap: 1px; }
.side__nav a, .side__nav button {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 10px;
  border-radius: 8px;
  color: rgba(255,255,255,.72);
  font-size: 13.5px;
  font-weight: 500;
  text-decoration: none;
  background: none;
  border: none;
  font-family: inherit;
  cursor: pointer;
  width: 100%;
  text-align: left;
}
.side__nav a:hover, .side__nav button:hover { color: #fff; background: rgba(255,255,255,.05); }
.side__nav a.is-active { background: rgba(18,86,227,.22); color: #fff; }
.side__nav a svg, .side__nav button svg { color: rgba(255,255,255,.5); flex: 0 0 auto; }
.side__nav a.is-active svg { color: var(--leaf); }

.side__sub { display: flex; flex-direction: column; gap: 1px; padding: 4px 0 4px 32px; }
.side__sub a {
  font-size: 13px;
  padding: 7px 10px;
  border-radius: 6px;
  color: rgba(255,255,255,.6);
  text-decoration: none;
}
.side__sub a:hover { color: #fff; }
.side__sub a.is-active { color: #fff; background: rgba(255,255,255,.06); }

.side__foot {
  margin-top: auto;
  padding: 14px 10px;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: 12px;
  color: rgba(255,255,255,.45);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.side__foot .ok { color: var(--leaf); }

/* ============ Topbar ============ */
.main { padding: 0; min-width: 0; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  padding: 12px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.crumb { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.crumb a { color: var(--muted); text-decoration: none; }
.crumb a:hover { color: var(--ink); }
.crumb strong { color: var(--ink); font-weight: 600; }

.ticker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}
.ticker__icon {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--btc);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
}
.ticker__label { color: var(--muted); font-weight: 500; }

.topbar__right { display: flex; align-items: center; gap: 10px; }
.icon-btn {
  width: 36px; height: 36px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--muted); cursor: pointer;
}
.icon-btn:hover { color: var(--ink); border-color: var(--ink); }
.user {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 4px 14px 4px 4px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
}
.avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--leaf));
  color: #fff;
  font-size: 11px; font-weight: 600;
  display: inline-flex; align-items: center; justify-content: center;
}
.user__name { font-size: 13px; font-weight: 500; color: var(--ink); }

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 9px;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
  font-family: var(--sans);
  transition: transform .15s, background .15s, border-color .15s, color .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn--primary:hover { background: var(--primary-dk); border-color: var(--primary-dk); }
.btn--ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--ink); }
.btn--full { width: 100%; }
.btn--lg { padding: 13px 18px; font-size: 14px; }
.btn--sm { padding: 6px 10px; font-size: 12px; border-radius: 7px; }

/* ============ Content ============ */
.content { padding: 24px 28px 56px; max-width: 1500px; }

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}
.page-head h1 {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -.7px;
  margin: 0 0 4px;
}
.page-head h1 em { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--primary); }
.page-head p { font-size: 14px; color: var(--muted); margin: 0; max-width: 580px; line-height: 1.5; }
.page-head__cta { display: flex; gap: 8px; }

/* ============ Catalog · filters ============ */
.filters {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--sans);
}
.chip.is-active { background: var(--ink); color: #fff; border-color: var(--ink); }
.chip:hover:not(.is-active) { border-color: var(--ink); }

.sort {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}
.sort select {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink);
  cursor: pointer;
}

.result-count { font-size: 13px; color: var(--muted); }

/* ============ Catalog grid ============ */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* ============ Product card ============ */
.pcard {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.pcard:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -16px rgba(11,45,79,.25);
}
.pcard--featured {
  border-color: var(--primary);
  box-shadow: 0 16px 40px -20px rgba(18,86,227,.4);
}

.pcard__hero {
  position: relative;
  background: linear-gradient(135deg, var(--primary-soft) 0%, #d8e7ff 100%);
  padding: 24px 20px;
  border-bottom: 1px solid var(--line);
}
.pcard__hero--orange { background: linear-gradient(135deg, var(--orange-soft) 0%, #fbd4a3 100%); }
.pcard__hero--purple { background: linear-gradient(135deg, var(--purple-soft) 0%, #e0d0ff 100%); }
.pcard__hero--green  { background: linear-gradient(135deg, #e0f5ec 0%, #c0ebd6 100%); }
.pcard__hero--gold   { background: linear-gradient(135deg, #fef3d3 0%, #fce5a3 100%); }

.pcard__badge {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .8px;
  text-transform: uppercase;
  background: var(--primary);
  color: #fff;
  padding: 4px 10px;
  border-radius: 999px;
}
.pcard__badge--gold { background: var(--gold); color: #5a4400; }
.pcard__badge--soft { background: rgba(255,255,255,.85); color: var(--primary); }

.pcard__icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: rgba(255,255,255,.7);
  color: var(--primary);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}

.pcard__art {
  margin-bottom: 12px;
  display: flex; justify-content: center;
}
.pcard__name {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 4px;
  letter-spacing: -.3px;
}
.pcard__brand {
  font-size: 11px;
  color: var(--muted);
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.pcard__hero-tagline {
  font-size: 13px;
  color: var(--ink);
  opacity: .8;
  margin: 8px 0 0;
}

.pcard__body {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.pcard__specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 14px;
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px dashed var(--line);
}
.pcard__spec-l {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 2px;
}
.pcard__spec-v {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}
.pcard__spec-v--ok { color: var(--green); }
.pcard__spec-v--warn { color: var(--warn); }
.pcard__spec-v--off { color: var(--danger); }

.pcard__price-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 14px;
}
.pcard__price-l { font-size: 11px; color: var(--muted); }
.pcard__price-v {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -.5px;
  margin-top: 2px;
}
.pcard__price-v small {
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
  margin-left: 4px;
}
.pcard__price-strike {
  font-size: 13px;
  color: var(--muted);
  text-decoration: line-through;
  margin-left: 6px;
  font-weight: 500;
}

.pcard__actions {
  display: flex;
  gap: 8px;
  margin-top: auto;
}
.pcard__actions .btn { flex: 1; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--mono);
  letter-spacing: .3px;
}
.pill--ok { color: var(--green); background: rgba(26,143,98,.1); }
.pill--warn { color: var(--warn); background: rgba(198,128,23,.12); }
.pill--off { color: var(--danger); background: rgba(196,69,61,.1); }
.pill--info { color: var(--primary); background: var(--primary-soft); }
.pill::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }

/* ============ Promo banner ============ */
.promo-banner {
  position: relative;
  background: linear-gradient(115deg, #0b2d4f 0%, #1256E3 100%);
  border-radius: 18px;
  padding: 36px 40px;
  color: #fff;
  margin-bottom: 24px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
  align-items: center;
}
.promo-banner::before, .promo-banner::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.promo-banner::before { width: 360px; height: 360px; right: -100px; top: -120px; background: rgba(255,255,255,.06); }
.promo-banner::after  { width: 220px; height: 220px; right: 180px; bottom: -120px; background: rgba(107,209,164,.15); }

.promo-banner__kicker {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-family: var(--mono);
  color: var(--leaf);
  margin-bottom: 10px;
}
.promo-banner h2 {
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -1.2px;
  margin: 0 0 10px;
  line-height: 1.1;
  position: relative;
}
.promo-banner h2 em { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--leaf); }
.promo-banner p {
  font-size: 15px;
  line-height: 1.5;
  color: rgba(255,255,255,.78);
  margin: 0 0 22px;
  max-width: 460px;
  position: relative;
}
.promo-banner__cta { display: flex; gap: 10px; position: relative; }
.promo-banner__cta .btn--primary { background: #fff; color: var(--primary); border-color: #fff; }
.promo-banner__cta .btn--primary:hover { background: rgba(255,255,255,.9); }
.promo-banner__cta .btn--ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.3); }
.promo-banner__cta .btn--ghost:hover { background: rgba(255,255,255,.08); }

.countdown {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  position: relative;
}
.cd-cell {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 12px;
  padding: 16px 6px;
  text-align: center;
}
.cd-cell__num {
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -1px;
  font-family: var(--mono);
}
.cd-cell__l {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: rgba(255,255,255,.6);
  margin-top: 4px;
}

/* Promo cards */
.promo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.promo-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  display: flex;
  flex-direction: column;
}
.promo-card__icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.promo-card__icon--blue { background: var(--primary-soft); color: var(--primary); }
.promo-card__icon--green { background: rgba(26,143,98,.1); color: var(--green); }
.promo-card__icon--gold { background: rgba(244,185,54,.16); color: #b8860b; }
.promo-card__icon--orange { background: var(--orange-soft); color: var(--orange); }
.promo-card__icon--purple { background: var(--purple-soft); color: var(--purple); }
.promo-card__title { font-size: 17px; font-weight: 600; margin: 0 0 6px; letter-spacing: -.2px; }
.promo-card__body { font-size: 13.5px; color: var(--muted); line-height: 1.5; margin: 0 0 14px; flex: 1; }
.promo-card__meta {
  display: flex;
  gap: 12px;
  font-size: 11px;
  color: var(--muted);
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 14px;
}
.promo-card__meta span { display: inline-flex; align-items: center; gap: 4px; }

/* ============ Comparison table ============ */
.compare {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  margin-top: 20px;
}
.compare__head {
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}
.compare__head h3 { margin: 0; font-size: 16px; font-weight: 600; }
.compare__head p { margin: 4px 0 0; font-size: 12px; color: var(--muted); }
.compare table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 13px; }
.compare th, .compare td { text-align: left; padding: 14px 22px; border-bottom: 1px solid var(--line-2); }
.compare th {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .8px;
  font-family: var(--mono);
  background: var(--bg-alt);
  border-bottom: 1px solid var(--line);
}
.compare tr:last-child td { border-bottom: none; }
.compare td:first-child { font-weight: 600; color: var(--ink); }

/* ============ Calculator (rent page) ============ */
.calc {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  margin-bottom: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 16px;
  align-items: end;
}
.calc__field { display: flex; flex-direction: column; gap: 6px; }
.calc__label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--muted);
  font-family: var(--mono);
}
.calc__input, .calc__select {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink);
  outline: none;
}
.calc__input:focus, .calc__select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(18,86,227,.12); }
.calc__total {
  background: var(--primary-soft);
  border-radius: 10px;
  padding: 14px 16px;
}
.calc__total-l { font-size: 11px; color: var(--muted); font-family: var(--mono); text-transform: uppercase; letter-spacing: .5px; }
.calc__total-v { font-size: 26px; font-weight: 600; color: var(--primary); letter-spacing: -.6px; margin-top: 2px; }

/* ============ Cart toast ============ */
.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  background: var(--ink);
  color: #fff;
  padding: 14px 18px;
  border-radius: 12px;
  font-size: 13px;
  box-shadow: 0 16px 40px -16px rgba(11,45,79,.5);
  display: none;
  align-items: center;
  gap: 10px;
  z-index: 100;
}
.toast.is-show { display: inline-flex; animation: slideUp .3s; }
.toast .ok { color: var(--leaf); }
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* ============ Empty / Loading ============ */
.gate {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
}
.gate__msg { font-family: var(--sans); color: var(--muted); font-size: 14px; }

@media (max-width: 1100px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .promo-grid { grid-template-columns: repeat(2, 1fr); }
  .promo-banner { grid-template-columns: 1fr; padding: 28px; }
  .promo-banner h2 { font-size: 28px; }
  .calc { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .app { grid-template-columns: 1fr; }
  .side { position: static; height: auto; }
  .topbar { padding: 10px 14px; flex-wrap: wrap; }
  .ticker { display: none; }
  .content { padding: 16px; }
  .grid-4, .grid-3, .promo-grid { grid-template-columns: 1fr; }
  .calc { grid-template-columns: 1fr; }
  .countdown { grid-template-columns: repeat(4, 1fr); }
}