:root {
  --bg: #0b1114;
  --bg2: #0e171b;
  --card: #111a1e;
  --card2: #152126;
  --line: #1f2d33;
  --line2: #2b3e45;
  --text: #e5e7eb;
  --muted: #8b98a0;
  --em: #10b981;
  --em2: #34d399;
  --gold: #e8b84a;
  --on-em: #04120c;
  --danger: #f87171;
  --glow: rgba(16, 185, 129, 0.16);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --radius: 14px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f3f7f5;
    --bg2: #e8efec;
    --card: #ffffff;
    --card2: #f6faf8;
    --line: #d9e3de;
    --line2: #bccbc4;
    --text: #14201b;
    --muted: #55645d;
    --em: #0f8f6b;
    --em2: #0a7a5b;
    --gold: #9a6d08;
    --on-em: #ffffff;
    --danger: #b42318;
    --glow: rgba(15, 143, 107, 0.12);
    --shadow: 0 10px 30px rgba(20, 40, 30, 0.12);
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #f3f7f5;
  --bg2: #e8efec;
  --card: #ffffff;
  --card2: #f6faf8;
  --line: #d9e3de;
  --line2: #bccbc4;
  --text: #14201b;
  --muted: #55645d;
  --em: #0f8f6b;
  --em2: #0a7a5b;
  --gold: #9a6d08;
  --on-em: #ffffff;
  --danger: #b42318;
  --glow: rgba(15, 143, 107, 0.12);
  --shadow: 0 10px 30px rgba(20, 40, 30, 0.12);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--em2); }
a:hover { text-decoration-thickness: 2px; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5em; }
.wrap { width: 100%; max-width: 980px; margin: 0 auto; padding: 0 16px; }
.sr, .skip:not(:focus) {
  position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}
.skip:focus { position: fixed; top: 8px; inset-inline-start: 8px; z-index: 50; background: var(--em); color: var(--on-em); padding: 8px 14px; border-radius: 8px; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

/* header */
.top { background: var(--bg2); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.top-in { display: flex; align-items: center; gap: 14px; min-height: 60px; flex-wrap: wrap; padding-block: 8px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--em2); text-decoration: none; }
.logo { color: var(--em); flex: none; }
.logo-gem { fill: var(--gold); }
.brand-name { font-weight: 800; letter-spacing: .22em; font-size: 15px; }
.brand-sub { color: var(--muted); font-size: 13px; padding-inline-start: 10px; border-inline-start: 1px solid var(--line2); }
.nav { display: flex; gap: 4px; margin-inline-start: auto; flex-wrap: wrap; }
.nav a { color: var(--text); text-decoration: none; padding: 7px 12px; border-radius: 9px; font-size: 14.5px; }
.nav a:hover { background: var(--card2); }
.nav a[aria-current="page"] { background: var(--glow); color: var(--em2); font-weight: 600; }
.tools { display: flex; align-items: center; gap: 8px; }
select, input, textarea, button { font: inherit; color: inherit; }
select {
  background: var(--card); border: 1px solid var(--line2); border-radius: 9px; padding: 6px 8px; max-width: 150px;
}
.icon-btn {
  width: 36px; height: 36px; display: grid; place-items: center; background: var(--card);
  border: 1px solid var(--line2); border-radius: 9px; cursor: pointer; color: var(--text);
}
.icon-btn:hover { border-color: var(--em); }

/* hero */
/* main.wrap: a bare "main" would lose to .wrap's padding shorthand, leaving the first card against the sticky header. */
main.wrap { flex: 1; margin-inline: auto; width: 100%; padding-block: 28px 48px; outline: none; }
html { scroll-padding-top: 84px; }
.hero {
  position: relative; text-align: center; padding: 40px 18px 34px; border-radius: 20px; border: 1px solid var(--line);
  background:
    radial-gradient(700px 240px at 50% -20%, var(--glow), transparent 70%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='48'%3E%3Cpath d='M14 2 28 10v16L14 34 0 26V10zM42 26l14 8v16L42 58 28 50V34z' fill='none' stroke='%2310b981' stroke-opacity='.07'/%3E%3C/svg%3E"),
    var(--card);
}
.hero h1 { font-size: clamp(1.5rem, 4vw, 2.2rem); }
.search { position: relative; max-width: 560px; margin: 18px auto 0; }
.search svg { position: absolute; inset-inline-start: 14px; top: 50%; transform: translateY(-50%); color: var(--muted); pointer-events: none; }
.search input {
  width: 100%; padding: 13px 16px; padding-inline-start: 44px; border-radius: 12px; font-size: 16px;
  background: var(--bg); border: 1px solid var(--line2);
}
.search input:focus { border-color: var(--em); outline: none; box-shadow: 0 0 0 3px var(--glow); }

/* categories */
.cats { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 12px; margin: 22px 0; padding: 0; list-style: none; }
.cat {
  width: 100%; display: flex; align-items: center; gap: 12px; text-align: start; cursor: pointer;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 13px 14px;
}
.cat:hover { border-color: var(--em); transform: translateY(-1px); }
.cat[aria-pressed="true"] { border-color: var(--em); background: var(--glow); }
.cat .ico { color: var(--gold); flex: none; display: grid; }
.cat b { display: block; font-size: 15px; }
.cat small { color: var(--muted); }

/* articles */
.bar { display: flex; justify-content: space-between; align-items: center; gap: 10px; color: var(--muted); font-size: 14px; margin: 0 0 12px; }
.bar-title { color: var(--text); font-size: 17px; }
.faq { display: grid; gap: 10px; }
.art { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.art[open] { border-color: var(--line2); box-shadow: var(--shadow); }
.art > summary {
  cursor: pointer; list-style: none; padding: 14px 16px; font-weight: 600; display: flex; gap: 12px; align-items: center;
}
.art > summary::-webkit-details-marker { display: none; }
.art > summary::after {
  content: ""; width: 9px; height: 9px; margin-inline-start: auto; flex: none;
  border-inline-end: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: rotate(45deg); transition: transform .15s;
}
.art[open] > summary::after { transform: rotate(-135deg); }
.art-tag { font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--gold); flex: none; }
.body { padding: 0 16px 16px; }
.body p { margin: 0 0 .8em; }
.body ul, .body ol { margin: 0 0 .9em; padding-inline-start: 1.3em; }
.body li { margin-bottom: .3em; }
.body mark { background: var(--glow); color: inherit; border-radius: 3px; }
.art-foot { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; border-top: 1px solid var(--line); padding-top: 12px; font-size: 14px; }
.note, .notice {
  background: var(--card2); border: 1px solid var(--line2); border-inline-start: 3px solid var(--gold);
  border-radius: 10px; padding: 10px 14px; font-size: 14px; margin: 0 0 14px; color: var(--muted);
}
.empty { text-align: center; padding: 28px 12px; color: var(--muted); }
.cta { margin-top: 28px; text-align: center; padding: 24px 16px; background: var(--card); border: 1px solid var(--line); border-radius: 18px; }

/* buttons, forms */
.btn {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer; text-decoration: none;
  background: var(--em); color: var(--on-em); border: 0; border-radius: 10px; padding: 11px 20px; font-weight: 700;
}
.btn:hover { filter: brightness(1.08); }
.btn[disabled] { opacity: .6; cursor: wait; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line2); }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 22px; max-width: 680px; margin: 0 auto; }
.panel h1 { font-size: 1.6rem; }
.lead { color: var(--muted); margin-top: 0; }
.field { margin: 0 0 16px; }
.field > label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 5px; }
.field .opt { color: var(--muted); font-weight: 400; }
.field input, .field select, .field textarea {
  width: 100%; max-width: none; background: var(--bg); border: 1px solid var(--line2); border-radius: 10px; padding: 10px 12px;
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--em); outline: none; box-shadow: 0 0 0 3px var(--glow); }
.field input[readonly] { opacity: .8; }
.field.bad input, .field.bad select, .field.bad textarea { border-color: var(--danger); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .row2 { grid-template-columns: 1fr; } .brand-sub { display: none; } .nav { margin-inline-start: 0; width: 100%; order: 3; } }
.hp { position: absolute; inset-inline-start: -9999px; width: 1px; height: 1px; overflow: hidden; }
.err { color: var(--danger); font-size: 14px; margin: 0 0 12px; }
.fine { color: var(--muted); font-size: 13px; }
.who { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; background: var(--card2); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; margin-bottom: 16px; font-size: 14px; }
.who button { margin-inline-start: auto; }
.ok-ico { color: var(--em); }

/* requests */
.page { max-width: 760px; margin: 0 auto; }
.page h1 { margin-bottom: 14px; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 0 0 14px; }
.tab { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; background: var(--card); border: 1px solid var(--line2); border-radius: 999px; padding: 6px 14px; font-size: 14px; }
.tab:hover { border-color: var(--em); }
.tab[aria-selected="true"] { background: var(--glow); border-color: var(--em); color: var(--em2); font-weight: 600; }
.tab-n { color: var(--muted); font-size: 12px; }
.tickets { display: grid; gap: 10px; }
.ticket { background: var(--card); border: 1px solid var(--line); border-radius: 14px; min-width: 0; }
.ticket[open] { border-color: var(--line2); box-shadow: var(--shadow); }
.ticket > summary { list-style: none; cursor: pointer; display: flex; gap: 12px; align-items: center; justify-content: space-between; padding: 13px 16px; }
.ticket > summary::-webkit-details-marker { display: none; }
.t-main { min-width: 0; flex: 1; }
.t-subject { display: flex; align-items: center; gap: 8px; font-weight: 600; overflow-wrap: anywhere; word-break: break-word; }
.unread { width: 9px; height: 9px; border-radius: 50%; background: var(--em); flex: none; box-shadow: 0 0 0 3px var(--glow); }
.t-body { padding: 0 16px 16px; border-top: 1px solid var(--line); }
.meta { display: flex; gap: 4px 12px; flex-wrap: wrap; color: var(--muted); font-size: 13px; align-items: center; margin-top: 2px; }
.chip { border-radius: 999px; padding: 1px 10px; font-size: 12px; font-weight: 700; border: 1px solid var(--line2); white-space: nowrap; flex: none; }
.chip.open { color: var(--gold); border-color: var(--gold); }
.chip.waiting { color: var(--em2); border-color: var(--em); }
.chip.closed { color: var(--muted); }
.thread { display: grid; gap: 8px; margin: 14px 0; }
.msg { min-width: 0; max-width: 92%; padding: 9px 13px; border-radius: 12px; background: var(--card2); border: 1px solid var(--line); white-space: pre-wrap; overflow-wrap: anywhere; word-break: break-word; }
.msg.team { background: var(--glow); border-color: var(--em); justify-self: start; }
.msg.you { justify-self: end; }
.msg small { display: block; color: var(--muted); margin-bottom: 2px; }
.reply { display: flex; gap: 8px; align-items: flex-end; }
.reply textarea { flex: 1; min-width: 0; min-height: 44px; background: var(--bg); border: 1px solid var(--line2); border-radius: 10px; padding: 9px 12px; resize: vertical; }
.closed-note { display: flex; gap: 12px 16px; align-items: center; justify-content: space-between; flex-wrap: wrap; background: var(--card2); border: 1px solid var(--line2); border-inline-start: 3px solid var(--muted); border-radius: 10px; padding: 10px 14px; }
.closed-note p { margin: 0; color: var(--muted); font-size: 14px; }
.new-req { margin-top: 18px; }
@media (max-width: 560px) {
  .ticket > summary { padding: 12px; }
  .t-body { padding: 0 12px 12px; }
  .reply { flex-direction: column; align-items: stretch; }
  .msg { max-width: 100%; }
  main.wrap { padding-block: 18px 36px; }
}

.foot { border-top: 1px solid var(--line); background: var(--bg2); color: var(--muted); font-size: 13px; padding-block: 16px; }
.foot-in { display: flex; justify-content: space-between; gap: 10px 24px; flex-wrap: wrap; }
.foot-links { display: flex; gap: 16px; flex-wrap: wrap; }
.foot a { color: var(--muted); }
[dir="rtl"] .search input { text-align: right; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }