/* SMAC Energy Modeller on goldmarktech.com: the server pages (sign-in, registration, account, admin). Same type and colours as the modeller. */
:root {
  --paper: #ECF0F2; --surface: #FFFFFF; --sunk: #F4F7F8; --ink: #102029; --muted: #52626C; --faint: #84939D;
  --rule: #D3DBE0; --rule-strong: #B4C1C8; --smac: #0A5CA8; --smac-ink: #FFFFFF; --smac-tint: #E0ECF8; --smac-hover: #084B8A;
  --good: #1B7A4A; --good-tint: #E0F1E7; --warn: #9C620C; --warn-tint: #FBEFD9; --bad: #B63F28; --bad-tint: #F8E4DE;
  --plate: #FFFFFF; --plate-rule: #DCE3E8; --sheet: #FBFCFD;
  --f-display: 'Archivo', 'Arial Narrow', Arial, sans-serif;
  --f-body: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --f-data: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --r: 6px; color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0C1318; --surface: #131D24; --sunk: #0F181E; --ink: #E1E8EC; --muted: #9AAAB3; --faint: #6C7D88;
    --rule: #23313A; --rule-strong: #34454F; --smac: #5CA8EE; --smac-ink: #05121C; --smac-tint: #12293D; --smac-hover: #7DBBF2;
    --good: #4CC48A; --good-tint: #10301E; --warn: #E4A94B; --warn-tint: #32250E; --bad: #EF7A60; --bad-tint: #381A13;
    --plate: #EEF2F4; --plate-rule: #C9D3DA; --sheet: #EEF2F4; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0C1318; --surface: #131D24; --sunk: #0F181E; --ink: #E1E8EC; --muted: #9AAAB3; --faint: #6C7D88;
  --rule: #23313A; --rule-strong: #34454F; --smac: #5CA8EE; --smac-ink: #05121C; --smac-tint: #12293D; --smac-hover: #7DBBF2;
  --good: #4CC48A; --good-tint: #10301E; --warn: #E4A94B; --warn-tint: #32250E; --bad: #EF7A60; --bad-tint: #381A13;
  --plate: #EEF2F4; --plate-rule: #C9D3DA; --sheet: #EEF2F4; color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; background: var(--paper); color: var(--ink); font-family: var(--f-body); font-size: 15px; line-height: 1.5; }
a { color: var(--smac); text-underline-offset: 2px; }
a:hover { color: var(--smac-hover); }
img { max-width: 100%; height: auto; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--smac); outline-offset: 2px; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--surface); padding: 6px 10px; border-radius: var(--r); z-index: 5; }
.skip:focus { left: 12px; }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.small { font-size: 12.5px; } .muted { color: var(--muted); } .nowrap { white-space: nowrap; } .sel { user-select: all; overflow-wrap: anywhere; }
h1, h2, h3 { font-family: var(--f-display); font-stretch: 92%; line-height: 1.15; text-wrap: balance; margin: 0 0 10px; }
h1 { font-size: clamp(22px, 2.6vw, 30px); font-weight: 700; }
h2 { font-size: 19px; font-weight: 650; margin-top: 6px; }
h3 { font-size: 15.5px; font-weight: 650; }
p { margin: 0 0 12px; }
.eyebrow { font-family: var(--f-data); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 0 0 8px; }
.lede { color: var(--muted); font-size: 15.5px; max-width: 62ch; }
code { font-family: var(--f-data); font-size: .92em; background: var(--sunk); padding: 1px 5px; border-radius: 4px; }

/* ---------- the bar at the top */
.sbar { background: var(--surface); border-bottom: 1px solid var(--rule); display: flex; align-items: center; justify-content: space-between; gap: 10px 18px; flex-wrap: wrap;
  padding-block: max(10px, env(safe-area-inset-top, 0px)) 10px; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.brand img { height: 30px; width: auto; display: block; background: var(--plate); border-radius: 5px; padding: 2px 6px; box-sizing: content-box; }
.brand span { font-family: var(--f-display); font-stretch: 88%; font-weight: 600; font-size: 16px; border-left: 1px solid var(--rule-strong); padding-left: 10px; }
.snav { display: flex; align-items: center; gap: 4px 6px; flex-wrap: wrap; }
.snav a, .snav button { font: inherit; font-size: 13.5px; font-weight: 500; color: var(--ink); text-decoration: none; background: transparent; border: 1px solid transparent; border-radius: var(--r); padding: 5px 10px; cursor: pointer; }
.snav a:hover, .snav button:hover { background: var(--sunk); border-color: var(--rule); color: var(--ink); }
.snav a[aria-current="page"] { background: var(--smac-tint); color: var(--smac); }
.snav form { margin: 0; }

/* ---------- page bodies */
main { flex: 1; width: 100%; margin: 0 auto; padding-block: 26px 34px; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.wrap { max-width: 1180px; }
.narrow { max-width: 560px; }
.narrow.wide-ish { max-width: 820px; }
main > .card + .card, main > section + section.card { margin-top: 16px; }
.card { background: var(--surface); border: 1px solid var(--rule); border-radius: 10px; padding: 22px 24px; min-width: 0; }
@media (max-width: 560px) { .card { padding: 18px 16px; } main { padding-block: 16px 26px; } }

/* ---------- sign-in page */
.auth { max-width: 1180px; display: grid; gap: 22px 40px; grid-template-columns: minmax(0, 1fr) minmax(300px, 400px); grid-template-areas: "a login" "b login"; align-items: start; }
.intro-a { grid-area: a; min-width: 0; }
.intro-b { grid-area: b; min-width: 0; }
.login { grid-area: login; position: sticky; top: 20px; }
@media (max-width: 900px) { .auth { grid-template-columns: minmax(0, 1fr); grid-template-areas: "a" "login" "b"; } .login { position: static; } }
.intro-a .eyebrow { margin-top: 16px; }
.intro-a h1 { font-size: clamp(24px, 3vw, 36px); margin-top: 6px; max-width: 22ch; }
.plate { display: inline-flex; align-items: center; background: var(--plate); border: 1px solid var(--plate-rule); border-radius: 10px; padding: 10px 6px; max-width: 100%; }
.plate img { display: block; width: auto; padding: 0 16px; min-width: 0; }
.plate img + img { border-left: 1px solid var(--plate-rule); }
.plate .lg-smac { height: 40px; } .plate .lg-gmt { height: 21px; }
@media (max-width: 560px) { .plate { padding: 8px 2px; } .plate img { padding: 0 10px; } .plate .lg-smac { height: 30px; } .plate .lg-gmt { height: 15px; } }
.hero { margin: 18px 0 0; }
.hero img { display: block; width: 100%; background: var(--sheet); border: 1px solid var(--rule); border-radius: 10px; }
.hero figcaption { font-size: 12.5px; color: var(--muted); margin-top: 8px; }
.login h2 { font-size: 22px; }
.login .alt { margin: 12px 0 0; font-size: 14px; }
.join { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--rule); }
.join h3 { margin-bottom: 6px; }
.join p { font-size: 14px; color: var(--muted); }

/* ---------- forms */
form { margin: 0; }
.field { display: grid; gap: 5px; margin-bottom: 14px; min-width: 0; }
.field label, legend { font-weight: 600; font-size: 13.5px; }
.opt { font-weight: 400; color: var(--muted); }
input[type=text], input[type=email], input[type=password], input[type=tel], input[type=url], input[type=search], textarea {
  font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--rule-strong); border-radius: var(--r); padding: 9px 11px; width: 100%; min-width: 0; }
textarea { resize: vertical; }
input:focus, textarea:focus { border-color: var(--smac); outline: 2px solid color-mix(in srgb, var(--smac) 30%, transparent); outline-offset: 0; }
input[aria-invalid="true"] { border-color: var(--bad); }
.hint { margin: 0; font-size: 12.5px; color: var(--muted); }
.err { margin: 0; font-size: 12.5px; color: var(--bad); font-weight: 500; }
.chk { display: flex; gap: 9px; align-items: flex-start; font-size: 14px; margin: 4px 0 14px; cursor: pointer; }
.chk input { margin-top: 3px; width: 16px; height: 16px; flex: none; accent-color: var(--smac); }
.chk.small { font-size: 12.5px; margin: 6px 0 0; }
.field label.chk { font-weight: 400; font-size: 14px; }
fieldset { border: 0; padding: 0; margin: 0 0 8px; min-width: 0; }
legend { padding: 0; margin-bottom: 8px; }
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 18px; align-items: start; }
.grid4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 14px; align-items: start; }
.span2 { grid-column: 1 / -1; } .span4 { grid-column: 1 / -1; }
@media (max-width: 860px) { .grid4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .grid2, .grid4 { grid-template-columns: minmax(0, 1fr); } }
.actions { display: flex; align-items: center; gap: 10px 18px; flex-wrap: wrap; margin-top: 4px; }

/* ---------- buttons and notes */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: inherit; font-size: 14px; font-weight: 500; color: var(--ink); background: var(--surface); border: 1px solid var(--rule-strong); border-radius: var(--r); padding: 8px 15px; text-decoration: none; cursor: pointer; line-height: 1.25; }
.btn:hover { background: var(--sunk); color: var(--ink); }
.btn.primary { background: var(--smac); border-color: var(--smac); color: var(--smac-ink); font-weight: 600; }
.btn.primary:hover { background: var(--smac-hover); border-color: var(--smac-hover); color: var(--smac-ink); }
.btn.wide { width: 100%; padding: 10px 15px; }
.btn.small { font-size: 12.5px; padding: 4px 9px; }
.btn.ghost { border-color: transparent; background: transparent; color: var(--muted); }
.btn.ghost:hover { border-color: var(--rule); color: var(--ink); }
.btn.danger { background: var(--bad); border-color: var(--bad); color: #fff; }
.note { border: 1px solid var(--rule); border-left: 4px solid var(--smac); background: var(--smac-tint); border-radius: var(--r); padding: 10px 12px; margin: 0 0 16px; font-size: 14px; }
.note.ok { border-left-color: var(--good); background: var(--good-tint); }
.note.warn { border-left-color: var(--warn); background: var(--warn-tint); }
.note.bad { border-left-color: var(--bad); background: var(--bad-tint); }

/* ---------- admin console */
.ahead { display: flex; justify-content: space-between; align-items: flex-end; gap: 14px 24px; flex-wrap: wrap; margin-bottom: 16px; }
.ahead h1 { margin: 0; }
.stats { display: flex; gap: 10px; margin: 0; flex-wrap: wrap; }
.stats div { background: var(--surface); border: 1px solid var(--rule); border-radius: 8px; padding: 8px 14px; min-width: 120px; }
.stats dt { font-size: 11.5px; color: var(--muted); }
.stats dd { margin: 0; font-family: var(--f-data); font-size: 20px; font-weight: 500; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--rule-strong); margin-bottom: 16px; overflow-x: auto; }
.tabs a { padding: 9px 14px; color: var(--muted); text-decoration: none; font-weight: 500; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tabs a:hover { color: var(--ink); }
.tabs a[aria-current="page"] { color: var(--smac); border-bottom-color: var(--smac); }
.badge { display: inline-block; min-width: 20px; padding: 0 6px; border-radius: 10px; background: var(--bad); color: #fff; font-size: 11.5px; font-weight: 600; text-align: center; }
.tag { display: inline-block; font-size: 11.5px; font-weight: 500; padding: 1px 7px; border-radius: 10px; background: var(--sunk); border: 1px solid var(--rule); color: var(--muted); }
.tag.adm { background: var(--smac-tint); color: var(--smac); border-color: transparent; }
.tag.bad { background: var(--bad-tint); color: var(--bad); border-color: transparent; }
.cardhead { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.cardhead h2 { margin: 0; }
.search { display: flex; gap: 6px; }
.search input { width: 240px; padding: 6px 10px; font-size: 14px; }
@media (max-width: 560px) { .search, .search input { width: 100%; } }
.tablewrap { overflow-x: auto; margin: 0 -4px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 12px; font-weight: 600; color: var(--muted); border-bottom: 1px solid var(--rule-strong); padding: 6px 8px; white-space: nowrap; }
td { border-bottom: 1px solid var(--rule); padding: 9px 8px; vertical-align: top; }
td.num, th.num { text-align: right; } td.num { font-family: var(--f-data); font-size: 13px; }
tr.off td { color: var(--muted); }
td.acts { white-space: nowrap; text-align: right; }
td.acts .btn, td.acts form { margin: 2px 0 2px 4px; }
form.inl { display: inline; }
.req { display: flex; justify-content: space-between; gap: 14px 24px; padding: 16px 0; border-top: 1px solid var(--rule); flex-wrap: wrap; }
.req:first-of-type { border-top: 0; }
.req h3 { margin-bottom: 4px; } .req p { margin: 0 0 4px; }
.req .who { min-width: 0; flex: 1 1 360px; }
.req .acts { display: flex; gap: 10px; align-items: flex-start; flex-wrap: wrap; }
.req .acts form { display: grid; }
.req blockquote { margin: 8px 0; padding: 6px 12px; border-left: 3px solid var(--rule-strong); color: var(--muted); font-size: 14px; }
.confirm { border: 1px solid var(--bad); background: var(--bad-tint); border-radius: 8px; padding: 14px 16px; margin: 0 0 16px; }
.confirm h3 { margin-bottom: 4px; }
.confirm .row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.facts { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 6px 18px; margin: 0 0 18px; font-size: 14px; }
.facts dt { color: var(--muted); } .facts dd { margin: 0; }
@media (max-width: 480px) { .facts { grid-template-columns: minmax(0, 1fr); gap: 0; } .facts dd { margin-bottom: 8px; } }
pre.log { font-family: var(--f-data); font-size: 12px; background: var(--sunk); border: 1px solid var(--rule); border-radius: var(--r); padding: 10px; overflow-x: auto; white-space: pre; }
ul.checks { list-style: none; padding: 0; margin: 0 0 16px; display: grid; gap: 6px; font-size: 14px; }
ul.checks li { padding: 6px 10px; border-radius: var(--r); background: var(--good-tint); }
ul.checks li.bad { background: var(--bad-tint); }
ul.checks b { font-family: var(--f-data); font-size: 12px; margin-right: 6px; }

/* ---------- terms */
.prose p, .prose li { max-width: 72ch; font-size: 14.5px; }
.prose h2 { margin-top: 26px; padding-top: 6px; }
.toc { display: flex; gap: 6px 16px; flex-wrap: wrap; font-size: 14px; margin: 4px 0 6px; }
dl.credits { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 6px 18px; font-size: 14px; }
dl.credits dt { font-weight: 600; } dl.credits dd { margin: 0; color: var(--muted); }
@media (max-width: 560px) { dl.credits { grid-template-columns: minmax(0, 1fr); gap: 2px; } dl.credits dd { margin-bottom: 8px; } }

/* ---------- small print */
.sfoot { font-size: 12px; color: var(--muted); text-align: center; padding-block: 14px max(18px, env(safe-area-inset-bottom, 0px)); padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); border-top: 1px solid var(--rule); }
.sfoot p { margin: 2px 0; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }