/* =====================================================
   Data Center Energy Usage — styles.css
   Fonts loaded via Google Fonts in index.html
   ===================================================== */

:root {
  --ink: #1c1b19;
  --paper: #f6f4ec;
  --card: #fffdf6;
  --grey: #d7d4c8;
  --grey2: #e9e6db;
  --green: #00b894;
  --green2: #069f80;
  --green-dk: #04795f;
  --buy: #bdeac9;
  --buy-ink: #0a5c2e;
  --sell: #f3c6cf;
  --sell-ink: #8a1f36;
  --note: #fff2b8;
  --shadow: 5px 5px 0 var(--ink);
  --shadow-sm: 3px 3px 0 var(--ink);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Rubik', system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
  background-image: radial-gradient(var(--grey) 1.2px, transparent 1.2px);
  background-size: 22px 22px;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
#site { max-width: 1180px; margin: 0 auto; padding: 0 18px 90px; }

/* ---------- Tab panel visibility ---------- */
.tab-panel { display: none; }
.tab-panel--active { display: block; }

/* ---------- Masthead ---------- */
.masthead { text-align: center; padding: 36px 10px 18px; }
.masthead-logo { display: block; margin: 0 auto 16px; width: 56px; height: 56px; }
.masthead .title {
  font-family: 'Bungee', cursive;
  font-size: clamp(26px, 5.2vw, 50px);
  margin: 0;
  letter-spacing: .5px;
  line-height: 1.05;
  text-wrap: balance;
}
.masthead .subhead {
  margin: 14px auto 0;
  max-width: 660px;
  font-size: clamp(14px, 1.8vw, 17px);
  font-weight: 500;
  opacity: .72;
  text-wrap: pretty;
}
.masthead .cattabs { margin-top: 24px; }

/* ---------- Tab section heading ---------- */
.tab-section-heading {
  font-family: 'Architects Daughter', cursive;
  font-size: 12px;
  text-align: center;
  opacity: 0.45;
  margin: 18px 0 -4px;
  letter-spacing: 0.2px;
  font-weight: 400;
}

/* ---------- Tabs ---------- */
.cattabs { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.cattab {
  font-family: 'Bungee', cursive;
  font-size: 12px;
  letter-spacing: .4px;
  background: var(--card);
  border: 3px solid var(--ink);
  border-radius: 11px;
  padding: 11px 16px;
  cursor: pointer;
  color: var(--ink);
  box-shadow: var(--shadow-sm);
  transition: transform .08s;
}
.cattab:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.cattab[aria-selected="true"] { background: var(--ink); color: var(--card); }

/* ---------- Sticky green status bar ---------- */
.balancebar {
  position: sticky;
  top: 10px;
  z-index: 40;
  margin-top: 22px;
  background: linear-gradient(135deg, var(--green) 0%, var(--green2) 60%, var(--green-dk) 100%);
  border: 3px solid var(--ink);
  border-radius: 16px;
  box-shadow: var(--shadow);
  color: #fff;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 14px 20px;
  flex-wrap: wrap;
  overflow: hidden;
}
.bb-left { display: flex; flex-direction: column; gap: 2px; flex: 1 1 220px; min-width: 0; }
.bb-label {
  font-family: 'Rubik';
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  font-size: 11.5px;
  opacity: .82;
}
.bb-num {
  font-family: 'Rubik';
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 4.4vw, 40px);
  line-height: 1;
  letter-spacing: -1px;
  text-shadow: 3px 3px 0 rgba(0,0,0,.2);
}
.bb-num.over { color: var(--note); }
.bb-mid { display: flex; gap: 10px; flex-wrap: wrap; }
.stat-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 2.5px solid var(--ink);
  border-radius: 11px;
  padding: 7px 12px;
  box-shadow: var(--shadow-sm);
}
.stat-pill span {
  font-family: 'Rubik';
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .6px;
  font-size: 10.5px;
  color: var(--ink);
  opacity: .55;
}
.stat-pill b {
  font-family: 'Rubik';
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  color: var(--green-dk);
}
.bb-right { display: flex; gap: 10px; margin-left: auto; }
.btn-reset, .btn-receipt {
  font-family: 'Bungee', cursive;
  font-size: 11px;
  letter-spacing: .3px;
  border: 2.5px solid var(--ink);
  border-radius: 10px;
  cursor: pointer;
  padding: 10px 14px;
  box-shadow: var(--shadow-sm);
  transition: transform .07s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-reset { background: var(--sell); color: var(--sell-ink); }
.btn-receipt { background: var(--ink); color: var(--card); }
.btn-reset:active, .btn-receipt:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }

/* ---------- Card grid ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(218px, 1fr)); gap: 18px; margin-top: 26px; }
.card {
  background: var(--card);
  border: 3px solid var(--ink);
  border-radius: 13px;
  box-shadow: var(--shadow);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.card.owned { outline: 3px solid var(--green); outline-offset: -3px; }
.ph {
  aspect-ratio: 4/3;
  border: 2.5px dashed var(--ink);
  border-radius: 9px;
  background: repeating-linear-gradient(45deg, var(--grey2) 0 11px, var(--grey) 11px 22px);
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}
.ph span {
  font-family: 'Rubik';
  font-weight: 700;
  font-size: 10.5px;
  letter-spacing: .6px;
  background: var(--card);
  border: 2px solid var(--ink);
  border-radius: 6px;
  padding: 4px 8px;
  max-width: 88%;
  text-align: center;
  line-height: 1.2;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}
.ph::before {
  content: "IMG";
  position: absolute;
  top: 6px;
  left: 8px;
  font-family: 'Architects Daughter', cursive;
  font-size: 11px;
  opacity: .55;
}
.ph img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 7px;
  z-index: 2;
}
.card-name { font-weight: 700; font-size: 15px; line-height: 1.15; }
.card-price {
  font-family: 'Rubik';
  font-weight: 800;
  font-size: 17px;
  color: var(--green-dk);
  font-variant-numeric: tabular-nums;
}
.card.unit-gal .card-price { color: var(--ink); }
.card-desc { margin: 0; font-size: 12px; line-height: 1.4; opacity: .62; text-wrap: pretty; }
.buysell { display: flex; align-items: stretch; gap: 7px; margin-top: auto; }
.buysell button {
  font-family: 'Bungee', cursive;
  font-size: 11px;
  letter-spacing: .3px;
  border: 2.5px solid var(--ink);
  border-radius: 8px;
  cursor: pointer;
  padding: 9px 0;
  flex: 1;
  box-shadow: var(--shadow-sm);
  transition: transform .07s;
}
.buysell button:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.buysell .buy { background: var(--buy); color: var(--buy-ink); }
.buysell .sell { background: var(--sell); color: var(--sell-ink); }
.buysell .qty {
  width: 58px;
  flex: 0 0 58px;
  text-align: center;
  font-family: 'Rubik';
  font-weight: 800;
  font-size: 16px;
  border: 2.5px solid var(--ink);
  border-radius: 8px;
  background: var(--paper);
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  -moz-appearance: textfield;
}
.buysell .qty::-webkit-outer-spin-button,
.buysell .qty::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* ---------- Receipt (inside modal) ---------- */
.receipt { background: var(--card); }
.receipt h3 {
  font-family: 'Bungee', cursive;
  font-size: 14px;
  letter-spacing: .4px;
  margin: 0 0 4px;
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.2;
}
.receipt .rsub { font-family: 'Architects Daughter', cursive; font-size: 13px; opacity: .6; margin: 0 0 14px; }
.rrows { display: flex; flex-direction: column; gap: 7px; min-height: 34px; }
.rrow { display: flex; justify-content: space-between; gap: 10px; font-size: 14px; align-items: center; }
.rrow-img { width: 36px; height: 36px; object-fit: cover; border-radius: 6px; border: 2px solid var(--ink); flex-shrink: 0; }
.rrow .rname { font-weight: 600; }
.rrow .rname small { font-weight: 500; opacity: .55; }
.rrow .ramt { font-weight: 800; font-variant-numeric: tabular-nums; color: var(--green-dk); white-space: nowrap; }
.receipt.unit-gal .ramt { color: var(--ink); }
.rempty { font-family: 'Architects Daughter', cursive; font-size: 14px; opacity: .55; }
.rtotal {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  border-top: 3px solid var(--ink);
  margin-top: 14px;
  padding-top: 12px;
  font-family: 'Bungee', cursive;
  font-size: 15px;
}
.rtotal .ramt { font-size: 18px; font-variant-numeric: tabular-nums; }
.prog { margin-top: 14px; }
.progbar { height: 18px; border: 2.5px solid var(--ink); border-radius: 20px; background: var(--paper); overflow: hidden; }
.progfill {
  height: 100%;
  width: 0;
  background: repeating-linear-gradient(45deg, var(--green) 0 9px, var(--green2) 9px 18px);
  transition: width .25s;
}
.proglabel { font-family: 'Architects Daughter', cursive; font-size: 13px; margin-top: 6px; opacity: .78; }

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(28,27,25,.55);
  display: none;
  place-items: center;
  padding: 20px;
}
.modal-overlay.open { display: grid; }
.modal {
  position: relative;
  background: var(--card);
  border: 3px solid var(--ink);
  border-radius: 18px;
  box-shadow: 7px 7px 0 var(--ink);
  width: min(460px, 100%);
  max-height: 86vh;
  overflow: auto;
  padding: 26px 22px 22px;
}
.modal-close {
  position: absolute;
  top: 12px;
  right: 13px;
  width: 34px;
  height: 34px;
  border: 2.5px solid var(--ink);
  border-radius: 9px;
  background: var(--paper);
  font-size: 20px;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}
.modal-close:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.share { margin-top: 20px; border-top: 3px dashed var(--ink); padding-top: 16px; }
.share-label { font-family: 'Architects Daughter', cursive; font-size: 14px; opacity: .7; display: block; margin-bottom: 10px; }
.share-btns { display: flex; gap: 10px; flex-wrap: wrap; }
.share-btn {
  flex: 1 1 calc(50% - 5px);
  font-family: 'Bungee', cursive;
  font-size: 11px;
  letter-spacing: .3px;
  border: 2.5px solid var(--ink);
  border-radius: 10px;
  cursor: pointer;
  padding: 11px 12px;
  box-shadow: var(--shadow-sm);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform .07s;
}
.share-btn.x      { background: var(--ink); }
.share-btn.fb     { background: #3556a4; }
.share-btn.reddit { background: #FF4500; }
.share-btn.dl     { background: var(--green-dk); }
.share-btn:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }

/* ---------- Sources ---------- */
.sources { max-width: 760px; margin: 18px auto 0; }
.sources .src-head { font-family: 'Bungee', cursive; font-size: clamp(18px, 3vw, 26px); margin: 0 0 6px; }
.sources .src-lead { font-size: 15px; opacity: .72; font-weight: 500; margin: 0 0 22px; text-wrap: pretty; }
.srcitem {
  background: var(--card);
  border: 3px solid var(--ink);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  padding: 15px 17px;
  margin-bottom: 14px;
}
.srcitem .stat { font-family: 'Bungee', cursive; font-size: 15px; color: var(--green-dk); margin: 0 0 5px; }
.srcitem p { margin: 0; font-size: 14px; line-height: 1.5; }
.srcitem a { color: var(--green-dk); font-weight: 700; word-break: break-word; }
.srcitem .note { font-style: italic; opacity: .7; font-size: 13px; margin-top: 6px; }
.calc {
  background: var(--ink);
  color: var(--paper);
  border-radius: 12px;
  padding: 16px 18px;
  margin-bottom: 14px;
  font-variant-numeric: tabular-nums;
}
.calc h4 { font-family: 'Bungee', cursive; font-size: 13px; margin: 0 0 10px; color: var(--green); letter-spacing: .4px; }
.calc .crow {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  font-size: 13.5px;
  padding: 5px 0;
  border-bottom: 1px dashed rgba(246,244,236,.25);
}
.calc .crow:last-child { border-bottom: 0; }
.calc .crow b { color: #fff; }
.bignote {
  background: var(--note);
  border: 3px dashed var(--ink);
  border-radius: 12px;
  padding: 15px 17px;
  font-size: 14px;
  line-height: 1.5;
  font-weight: 600;
}
.footnote { font-family: 'Architects Daughter', cursive; text-align: center; opacity: .5; font-size: 13px; margin: 50px 0 0; }

/* ---------- Cards disclaimer ---------- */
.cards-disclaimer {
  font-family: 'Architects Daughter', cursive;
  font-size: 12px;
  text-align: center;
  opacity: 0.45;
  margin: 14px 0 0;
  line-height: 1.5;
}

/* ---------- Footer ---------- */
.site-footer {
  max-width: 1180px;
  margin: 48px auto 0;
  padding: 22px 18px 48px;
  border-top: 3px dashed var(--grey);
  text-align: center;
}
.site-footer p { font-size: 13px; margin: 6px 0; opacity: 0.6; line-height: 1.5; }
.site-footer .footer-desc {
  font-family: 'Architects Daughter', cursive;
  font-size: 13px;
  max-width: 620px;
  margin: 10px auto 0;
  line-height: 1.6;
}
.site-footer a { color: var(--green-dk); font-weight: 700; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.footer-email-section { max-width: 620px; margin: 0 auto 24px; }
.footer-ck-wrap { width: 100%; }
.footer-bmac { text-align: center; margin: 0 auto 20px; }
.footer-bmac img { display: inline-block; }

/* ---------- Mobile responsive ---------- */
@media (max-width: 640px) {
  #site { padding: 0 12px 60px; }

  .balancebar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    top: 6px;
  }
  .bb-left { flex: 0 0 auto; }
  .bb-right { margin-left: 0; width: 100%; }
  .bb-right .btn-reset, .bb-right .btn-receipt { flex: 1; justify-content: center; }

  .bb-mid { width: 100%; }
  .stat-pill { flex: 1; justify-content: center; }

  .grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }

  .share-btns { flex-direction: column; }
  .share-btn { flex: none; }

  .calc .crow { flex-direction: column; gap: 2px; }
  .calc .crow b { font-size: 12px; }
}

@media (max-width: 400px) {
  .grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .buysell .qty { width: 44px; flex: 0 0 44px; font-size: 16px; }
}