/* OguzChain dizaýn ulgamy (v22) – admin paneli, barlaýjy we gapjyk üçin umumy.
   Reňkler OguzChain logosyndan: doýgun ýaşyl (esasy), açyk ýaşyl (halka),
   açyk gök (tassyk belgisi, uniwersitetiň lentasy). «Güýçde» netijesi hem ýaşyl.
   Daşky şrift ýa-da surat ýok: hemme zat programmanyň içinde. */
:root {
  --green-900: #064e3b;   /* iň goýy: ýazgy, baş bölegiň başy */
  --green-700: #047857;   /* logodaky doýgun ýaşyl – esasy */
  --green-600: #059669;   /* logodaky ikinji ýaşyl */
  --green-300: #6ee7b7;   /* halka */
  --sky: #0ea5e9;         /* tassyk belgisi */

  --bg: #f3f8f6;
  --card: #ffffff;
  --text: #10231d;
  --muted: #56695f;
  --line: #d7e7df;
  --soft: #ecfdf5;        /* açyk ýaşyl fon */
  --accent: var(--green-700);
  --accent-hover: var(--green-900);
  --accent-text: #ffffff;
  --ok: var(--green-700); --ok-bg: #e3f6ec;
  --warn: #9a5b00;  --warn-bg: #fff4e0;
  --bad: #c0261d;   --bad-bg: #fdecea;
  --header-a: var(--green-900); --header-b: var(--green-600);
  --shadow: 0 1px 2px rgba(6, 78, 59, .06), 0 4px 16px rgba(6, 78, 59, .07);
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #08130f; --card: #0f1f19; --text: #e4f3ec; --muted: #93ab9f; --line: #1e3a2f; --soft: #12291f;
    --accent: #10b981; --accent-hover: #34d399; --accent-text: #04241a;
    --ok: #34d399; --ok-bg: #0d2c21; --warn: #f0b052; --warn-bg: #33270f; --bad: #ff8a80; --bad-bg: #3a1618;
    --header-a: #032a1f; --header-b: #065f46;
    --shadow: 0 1px 2px rgba(0, 0, 0, .35);
  }
}
:root[data-theme="dark"] {
    --bg: #08130f; --card: #0f1f19; --text: #e4f3ec; --muted: #93ab9f; --line: #1e3a2f; --soft: #12291f;
    --accent: #10b981; --accent-hover: #34d399; --accent-text: #04241a;
    --ok: #34d399; --ok-bg: #0d2c21; --warn: #f0b052; --warn-bg: #33270f; --bad: #ff8a80; --bad-bg: #3a1618;
    --header-a: #032a1f; --header-b: #065f46;
    --shadow: 0 1px 2px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; font: 15px/1.55 system-ui, "Segoe UI", Roboto, "Noto Sans", sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); }

/* --- baş bölek: nyşan + ady --- */
header {
  display: flex; flex-wrap: wrap; gap: 10px 24px; align-items: center; padding: 10px 20px;
  background: linear-gradient(100deg, var(--header-a), var(--header-b)); color: #fff;
  box-shadow: 0 2px 10px rgba(6, 78, 59, .25);
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 18px; color: #fff; text-decoration: none; }
.brand img { width: 44px; height: 44px; border-radius: 50%; background: #fff; padding: 3px; flex: none; }
.brand .names { display: flex; flex-direction: column; line-height: 1.2; }
.brand span { font-weight: 400; font-size: 13px; color: rgba(255, 255, 255, .8); }
nav { display: flex; flex-wrap: wrap; gap: 2px; }
nav a { padding: 6px 11px; border-radius: 8px; color: rgba(255, 255, 255, .88); text-decoration: none; font-size: 14px; }
nav a:hover { background: rgba(255, 255, 255, .12); color: #fff; }
nav a.active { background: rgba(255, 255, 255, .2); color: #fff; font-weight: 600; }
nav b { background: #ffb020; color: #1d1300; border-radius: 10px; padding: 0 6px; font-size: 12px; margin-left: 2px; }
nav b:empty { display: none; }
#me, #bar { margin-left: auto; color: rgba(255, 255, 255, .85); font-size: 14px; }
header button.secondary { color: #fff; border-color: rgba(255, 255, 255, .5); }
header button.secondary:hover { background: rgba(255, 255, 255, .12); }

main { max-width: 1100px; margin: 20px auto; padding: 0 16px; }
footer { max-width: 1100px; margin: 28px auto; padding: 16px 16px 0; color: var(--muted); font-size: 13px; border-top: 1px solid var(--line); }
h2 { margin: 8px 0 16px; font-size: 21px; color: var(--text); }
h3 { margin: 20px 0 8px; font-size: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; box-shadow: var(--shadow); }

/* --- giriş sahypasy (bina suraty bar bolsa) --- */
.hero { position: relative; border-radius: var(--radius); overflow: hidden; margin-bottom: 16px; min-height: 140px;
  background: linear-gradient(120deg, var(--green-900), var(--green-600) 65%, var(--sky)); color: #fff; box-shadow: var(--shadow); }
.hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6, 78, 59, .9), rgba(5, 150, 105, .35)); }
.hero .txt { position: relative; z-index: 1; padding: 22px 24px; max-width: 560px; }
.hero h1 { margin: 0 0 6px; font-size: 24px; }
.hero p { margin: 0; color: rgba(255, 255, 255, .9); }

/* --- tablisalar we formalar --- */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px 9px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 13px; background: var(--soft); }
tr:hover td { background: color-mix(in srgb, var(--soft) 50%, transparent); }
.tablewrap { overflow-x: auto; }
label { display: block; margin: 10px 0 4px; font-weight: 600; font-size: 14px; }
input, select, textarea { width: 100%; padding: 9px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--text); font: inherit; }
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent); border-color: var(--accent); }
textarea { min-height: 70px; font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
.checks label { display: inline-flex; gap: 6px; align-items: center; font-weight: 400; margin-right: 16px; }
.checks input { width: auto; }

button { padding: 8px 16px; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-text); border-radius: 8px; font: inherit; font-weight: 600; cursor: pointer; transition: background .15s, border-color .15s; }
button:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
button.secondary { background: transparent; color: var(--accent); border-color: var(--line); font-weight: 500; }
button.secondary:hover { background: var(--soft); border-color: var(--accent); }
button.danger { background: transparent; color: var(--bad); border-color: var(--bad); }
button.danger:hover { background: var(--bad-bg); }
button:disabled { opacity: .5; cursor: default; }
button:focus-visible, a:focus-visible { outline: 3px solid var(--sky); outline-offset: 2px; }

.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 12px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0 16px; }
.mono { font-family: ui-monospace, Consolas, monospace; font-size: 12px; word-break: break-all; }
.muted { color: var(--muted); }
.tag { display: inline-block; padding: 0 8px; border-radius: 10px; background: var(--soft); color: var(--muted); font-size: 12px; margin: 1px 2px; }

/* --- ýagdaýlar --- */
.st-active { color: var(--ok); } .st-suspended { color: var(--warn); } .st-revoked { color: var(--bad); }
.card.st-active { background: var(--ok-bg); border-color: color-mix(in srgb, var(--ok) 40%, transparent); }
.card.st-revoked { background: var(--bad-bg); border-color: color-mix(in srgb, var(--bad) 40%, transparent); }
.tag.st-revoked { background: var(--bad-bg); color: var(--bad); }

#msg { max-width: 1100px; margin: 12px auto 0; padding: 0 16px; }
#msg div { padding: 10px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); box-shadow: var(--shadow); }
#msg .bad { border-color: var(--bad); color: var(--bad); background: var(--bad-bg); }
#msg .ok { border-color: var(--ok); color: var(--ok); background: var(--ok-bg); }
.tree { list-style: none; padding-left: 18px; margin: 4px 0; border-left: 2px solid var(--soft); }
.tree > li { margin: 5px 0; }
.inline-form { margin-top: 10px; padding: 12px; border: 1px dashed var(--line); border-radius: 10px; background: var(--soft); }

@media (max-width: 640px) {
  header { padding: 10px 12px; }
  .brand span { display: none; }
  #me, #bar { margin-left: 0; width: 100%; }
  main { margin-top: 14px; }
  .card { padding: 14px; }
  button { padding: 10px 16px; }
}

/* v21: ýagty / garaňky görnüş düwmesi */
.theme-btn { padding: 6px 10px; border-radius: 8px; border: 1px solid rgba(255, 255, 255, .45); background: transparent; color: #fff; font-weight: 500; font-size: 13px; }
.theme-btn:hover { background: rgba(255, 255, 255, .14); border-color: #fff; }

/* v22: resminamany berýän edara (uniwersitetiň nyşany bilen) */
.issuer { display: flex; align-items: center; gap: 10px; margin: 0 0 14px; color: var(--muted); font-size: 14px; }
.issuer img { width: 36px; height: 36px; border-radius: 50%; background: #fff; padding: 2px; border: 1px solid var(--line); flex: none; }
.issuer.on-dark { color: rgba(255, 255, 255, .92); margin-bottom: 10px; }
.issuer.on-dark img { border-color: transparent; }

/* v24: dil saýlawy (TM / RU / EN) */
.lang-sel { width: auto; padding: 5px 8px; border-radius: 8px; border: 1px solid rgba(255, 255, 255, .45); background: transparent; color: #fff; font-size: 13px; font-weight: 600; cursor: pointer; }
.lang-sel:hover { background: rgba(255, 255, 255, .14); border-color: #fff; }
.lang-sel option { color: #10231d; background: #fff; }
header > .lang-sel:first-of-type { margin-left: auto; }
#me ~ .lang-sel, #bar ~ .lang-sel { margin-left: 0; }