:root {
  --blue: #0052cc;
  --blue-dark: #0747a6;
  --link: #0052cc;
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #172b4d;
  --muted: #6b778c;
  --border: #dfe1e6;
  --border-strong: #c1c7d0;
  --danger: #de350b;
  --input-bg: #fafbfc;
  --input-bg-focus: #ffffff;
  --hover: #f4f5f7;
  --code-bg: #f4f5f7;
  --ref-bg: #deebff;
  --ref-bg-hover: #b3d4ff;
  --ref-text: #0747a6;
  --alert-bg: #ffebe6;
  --alert-border: #ffbdad;
  --alert-text: #bf2600;
  --radius: 6px;
  --shadow: 0 1px 2px rgba(9, 30, 66, 0.12), 0 0 1px rgba(9, 30, 66, 0.16);
  --maxw: 1160px;
  color-scheme: light;
}

/* ---------- Dark theme ----------
   Applied either explicitly (user chose it via the toggle -> data-theme="dark")
   or automatically from the OS setting when the user hasn't chosen light. */
:root[data-theme="dark"] {
  --blue: #2b7fff;
  --blue-dark: #1c6fe8;
  --link: #6ca8ff;
  --bg: #12161d;
  --card: #1c2330;
  --text: #dfe3ea;
  --muted: #9aa4b2;
  --border: #2b3441;
  --border-strong: #3a4553;
  --danger: #ff6b52;
  --input-bg: #161b24;
  --input-bg-focus: #1c2330;
  --hover: #262f3d;
  --code-bg: #0e131b;
  --ref-bg: #14365e;
  --ref-bg-hover: #1c4a7e;
  --ref-text: #9ecbff;
  --alert-bg: #3a1613;
  --alert-border: #5c241d;
  --alert-text: #ff9e8f;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.5), 0 0 1px rgba(0, 0, 0, 0.6);
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --blue: #2b7fff;
    --blue-dark: #1c6fe8;
    --link: #6ca8ff;
    --bg: #12161d;
    --card: #1c2330;
    --text: #dfe3ea;
    --muted: #9aa4b2;
    --border: #2b3441;
    --border-strong: #3a4553;
    --danger: #ff6b52;
    --input-bg: #161b24;
    --input-bg-focus: #1c2330;
    --hover: #262f3d;
    --code-bg: #0e131b;
    --ref-bg: #14365e;
    --ref-bg-hover: #1c4a7e;
    --ref-text: #9ecbff;
    --alert-bg: #3a1613;
    --alert-border: #5c241d;
    --alert-text: #ff9e8f;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.5), 0 0 1px rgba(0, 0, 0, 0.6);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.5;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 0 0 .6rem; }
h3 { font-size: .95rem; margin: 0 0 .5rem; }

/* ---------- Top bar ---------- */
.topbar {
  display: flex; align-items: center; gap: .75rem;
  background: var(--card); border-bottom: 1px solid var(--border);
  padding: .5rem .9rem; position: sticky; top: 0; z-index: 50;
  flex-wrap: wrap;
}
.brand { font-weight: 700; color: var(--text); display: flex; align-items: center; gap: .35rem; font-size: 1.05rem; }
.brand:hover { text-decoration: none; }
.brand-mark { color: var(--link); }
.search { position: relative; flex: 1 1 240px; min-width: 160px; }
.search input {
  width: 100%; padding: .5rem .7rem; border: 1px solid var(--border-strong);
  border-radius: var(--radius); background: var(--input-bg); color: var(--text); font-size: .95rem;
}
.search input:focus { background: var(--input-bg-focus); outline: 2px solid var(--blue); border-color: var(--blue); }
.suggest {
  position: absolute; top: calc(100% + 4px); left: 0; right: 0; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow);
  overflow: hidden; z-index: 60;
}
.suggest a { display: flex; gap: .5rem; align-items: center; padding: .5rem .7rem; color: var(--text); }
.suggest a:hover, .suggest a.active { background: var(--hover); text-decoration: none; }
.suggest .s-key { font-weight: 600; color: var(--link); font-size: .8rem; }
.suggest .s-title { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.nav { display: flex; align-items: center; gap: .25rem; }
.nav a { padding: .4rem .6rem; color: var(--text); border-radius: var(--radius); }
.nav a:hover { background: var(--hover); text-decoration: none; }

.theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border: 1px solid var(--border-strong);
  background: var(--card); color: var(--text); border-radius: var(--radius);
  cursor: pointer; font-size: 1rem; line-height: 1; padding: 0;
}
.theme-toggle:hover { background: var(--hover); }
.theme-toggle .icon-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: inline; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: none; }
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: inline; }
}

.usermenu { position: relative; }
.usermenu summary { list-style: none; cursor: pointer; }
.usermenu summary::-webkit-details-marker { display: none; }
.avatar {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 50%; background: var(--blue); color: #fff;
  font-weight: 600; font-size: .85rem;
}
.avatar.sm { width: 26px; height: 26px; font-size: .75rem; }
.usermenu .menu {
  position: absolute; right: 0; top: calc(100% + 6px); background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: .6rem .8rem; min-width: 160px; z-index: 60;
}
.menu-name { font-weight: 600; }
.menu-role { color: var(--muted); font-size: .8rem; text-transform: capitalize; margin-bottom: .4rem; }

/* ---------- Layout ---------- */
.container { max-width: var(--maxw); margin: 0 auto; padding: 1.1rem .9rem 3rem; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1rem; margin-bottom: 1rem; }
.card.narrow { max-width: 420px; margin: 3rem auto; }
.center { text-align: center; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.muted { color: var(--muted); }
.muted-block { color: var(--muted); margin: 0 0 .8rem; }
.empty { color: var(--muted); padding: .5rem 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .35rem;
  padding: .45rem .8rem; border: 1px solid var(--border-strong); background: var(--card); color: var(--text);
  border-radius: var(--radius); cursor: pointer; font-size: .9rem; font-weight: 500; text-decoration: none;
}
.btn:hover { background: var(--hover); text-decoration: none; }
.btn-primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover { filter: brightness(.95); }
.btn-sm { padding: .3rem .55rem; font-size: .82rem; }
.btn-block { width: 100%; }
.linklike { background: none; border: none; color: var(--link); cursor: pointer; padding: 0; font: inherit; }
.linklike.danger { color: var(--danger); }
.inline { display: inline; }

/* ---------- Forms ---------- */
.stack { display: flex; flex-direction: column; gap: .7rem; }
.stack > label { display: flex; flex-direction: column; gap: .25rem; font-weight: 600; font-size: .85rem; }
input, select, textarea {
  font: inherit; padding: .45rem .55rem; border: 1px solid var(--border-strong);
  border-radius: var(--radius); background: var(--input-bg); color: var(--text); width: 100%;
}
input:focus, select:focus, textarea:focus { background: var(--input-bg-focus); outline: 2px solid var(--blue); border-color: var(--blue); }
textarea { resize: vertical; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
.form-wide { max-width: 760px; }
.form-actions { display: flex; gap: .5rem; }
.filters { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-bottom: .8rem; }
.filters select, .filters .btn { width: auto; }
.chk { display: inline-flex; align-items: center; gap: .35rem; font-size: .9rem; }
.chk input { width: auto; }

/* ---------- Custom dropdown (JS-enhanced <select>) ---------- */
select.cs-native { display: none; }              /* hidden once enhanced; still submits */
.cs { position: relative; }
.filters .cs { width: auto; min-width: 175px; }
.cs-btn {
  display: flex; align-items: center; gap: .5rem; width: 100%;
  padding: .4rem .55rem; border: 1px solid var(--border-strong);
  border-radius: var(--radius); background: var(--input-bg); color: var(--text);
  font: inherit; cursor: pointer; text-align: left;
}
.cs-btn:hover { background: var(--input-bg-focus); }
.cs-btn:focus-visible { outline: 2px solid var(--blue); border-color: var(--blue); }
.cs-value { display: flex; align-items: center; gap: .5rem; flex: 1; min-width: 0; }
.cs-caret { color: var(--muted); font-size: .7rem; flex: none; }
.cs-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cs-menu {
  position: absolute; z-index: 70; top: calc(100% + 4px); left: 0; right: 0;
  margin: 0; padding: .25rem; list-style: none;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  max-height: 264px; overflow-y: auto;
}
.cs-opt {
  display: flex; align-items: center; gap: .5rem; padding: .4rem .5rem;
  border-radius: var(--radius); cursor: pointer;
}
.cs-opt:hover, .cs-opt.active { background: var(--hover); }
.cs-opt .cs-check { margin-left: auto; color: var(--blue); opacity: 0; flex: none; font-size: .85rem; }
.cs-opt.sel .cs-check { opacity: 1; }
.cs-ico { display: inline-flex; align-items: center; justify-content: center; flex: none; }
.cs-uicon { color: var(--muted); }
.cs-value .avatar.sm, .cs-opt .avatar.sm { flex: none; }
.alert { background: var(--alert-bg); border: 1px solid var(--alert-border); color: var(--alert-text); padding: .6rem .8rem; border-radius: var(--radius); margin-bottom: 1rem; }

/* ---------- Ticket list ---------- */
.ticket-list { list-style: none; margin: 0; padding: 0; }
.ticket-row {
  display: grid; align-items: center; gap: .6rem;
  grid-template-columns: 84px minmax(0,1fr) 110px 76px 130px 104px;
  padding: .55rem .3rem; border-bottom: 1px solid var(--border);
}
.ticket-row:last-child { border-bottom: none; }
.tr-key { font-weight: 600; font-size: .82rem; color: var(--link); }
.tr-title { color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tr-assignee, .tr-due { font-size: .82rem; color: var(--muted); }
.tr-due.overdue { color: var(--danger); font-weight: 600; }

/* ---------- Badges ---------- */
.badge { display: inline-block; padding: .12rem .5rem; border-radius: 3px; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .02em; }
.status-open { background: #dfe1e6; color: #42526e; }
.status-in_progress { background: #deebff; color: #0747a6; }
.status-in_review { background: #eae6ff; color: #5243aa; }
.status-blocked { background: #ffebe6; color: #bf2600; }
.status-done { background: #e3fcef; color: #006644; }
.role-admin { background: #eae6ff; color: #5243aa; }
.role-user { background: #dfe1e6; color: #42526e; }
.prio { font-size: .78rem; font-weight: 600; }
.prio-low { color: #6b778c; }
.prio-medium { color: #0747a6; }
.prio-high { color: #ff8b00; }
.prio-urgent { color: var(--danger); }

/* ---------- Ticket detail ---------- */
.ticket-detail { display: grid; grid-template-columns: minmax(0,1fr) 300px; gap: 1rem; align-items: start; }
.detail-main .block { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1rem; margin-bottom: 1rem; }
.crumbs { color: var(--muted); font-size: .85rem; margin-bottom: .2rem; }
.crumbs .sep { margin: 0 .3rem; }
.crumbs .tkey { font-weight: 600; color: var(--text); }
.ticket-title { margin-bottom: .8rem; }
.edit-block { margin-bottom: 1rem; }
.edit-block summary { display: inline-block; margin-bottom: .6rem; }
.edit-block[open] summary { margin-bottom: .8rem; }

.side-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: .9rem; margin-bottom: 1rem; }
.field { margin-bottom: .8rem; }
.field label { display: block; font-size: .75rem; font-weight: 700; text-transform: uppercase; color: var(--muted); margin-bottom: .25rem; }
.field .btn { margin-top: .4rem; }
.meta { display: grid; grid-template-columns: auto 1fr; gap: .25rem .6rem; margin: .4rem 0 0; font-size: .85rem; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; }

/* ---------- Rich text ---------- */
.richtext { word-wrap: break-word; overflow-wrap: anywhere; }
.richtext p { margin: 0 0 .6rem; }
.richtext pre { background: var(--code-bg); padding: .6rem .8rem; border-radius: var(--radius); overflow-x: auto; }
.richtext code { background: var(--code-bg); padding: .1rem .3rem; border-radius: 3px; font-size: .88em; }
.richtext pre code { background: none; padding: 0; }
.richtext blockquote { border-left: 3px solid var(--border-strong); margin: .5rem 0; padding: .1rem .8rem; color: var(--muted); }
.richtext img { max-width: 100%; height: auto; }
.ticket-ref { font-weight: 600; color: var(--ref-text); background: var(--ref-bg); padding: 0 .25rem; border-radius: 3px; }
.ticket-ref:hover { text-decoration: none; background: var(--ref-bg-hover); }

/* ---------- Attachments ---------- */
.att-grid { display: flex; flex-wrap: wrap; gap: .6rem; margin: .6rem 0; }
.att { border: 1px solid var(--border); border-radius: var(--radius); padding: .4rem; width: 140px; }
.thumb { width: 100%; height: 90px; object-fit: cover; border-radius: 3px; display: block; }
.chip { display: block; font-size: .82rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.att-meta { display: flex; justify-content: space-between; align-items: center; font-size: .72rem; color: var(--muted); margin-top: .3rem; }
.upload-form { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; margin-top: .6rem; }
.upload-form input[type=file] { width: auto; flex: 1 1 200px; }

/* ---------- Comments ---------- */
.comment { border-top: 1px solid var(--border); padding: .8rem 0; }
.comment:first-of-type { border-top: none; }
.c-head { display: flex; align-items: center; gap: .5rem; margin-bottom: .4rem; font-size: .85rem; }
.c-head time { color: var(--muted); }
.c-del { margin-left: auto; }
.comment-form { margin-top: 1rem; }
.comment-actions { display: flex; justify-content: space-between; align-items: center; gap: .5rem; flex-wrap: wrap; }
.comment-actions input[type=file] { width: auto; }

/* ---------- Links list ---------- */
.link-list { list-style: none; margin: 0 0 .6rem; padding: 0; }
.link-list li { display: flex; align-items: center; gap: .35rem; flex-wrap: wrap; padding: .3rem 0; font-size: .85rem; }
.link-label { color: var(--muted); font-size: .75rem; text-transform: uppercase; }
.link-title { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; min-width: 0; }
.link-form { margin-top: .5rem; }

/* ---------- Projects / tables ---------- */
.project-list, .data-table { width: 100%; }
.project-list { list-style: none; margin: 0; padding: 0; }
.project-list li { display: grid; grid-template-columns: 80px 1fr 2fr auto; gap: .6rem; align-items: center; padding: .55rem .2rem; border-bottom: 1px solid var(--border); }
.project-list li:last-child { border-bottom: none; }
.p-key { font-weight: 700; color: var(--link); }
.p-count { color: var(--muted); font-size: .82rem; }
.data-table { border-collapse: collapse; }
.data-table th, .data-table td { text-align: left; padding: .5rem .5rem; border-bottom: 1px solid var(--border); font-size: .88rem; }
.data-table th { color: var(--muted); font-weight: 600; }

.stats .stat { display: flex; flex-direction: column; align-items: center; gap: .2rem; }
.stat-n { font-size: 1.8rem; font-weight: 700; }
.stat-l { color: var(--muted); font-size: .82rem; }

.pager { display: flex; align-items: center; gap: 1rem; justify-content: center; }

/* ---------- Login ---------- */
.login-wrap { min-height: 70vh; display: flex; align-items: center; justify-content: center; }
.login-card { width: 100%; }
.login-brand { font-size: 1.4rem; font-weight: 700; margin-bottom: .3rem; }
.dev-login { text-align: left; margin-top: 1rem; }

.footer { max-width: var(--maxw); margin: 2rem auto 0; padding: 1rem .9rem; color: var(--muted); font-size: .8rem; text-align: center; }

/* overdue date input */
input.overdue { border-color: var(--danger); color: var(--danger); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .ticket-detail { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .search { order: 3; flex-basis: 100%; }
  .nav .btn { margin-left: auto; }
  .grid-3 { grid-template-columns: 1fr; }
  .row-2 { grid-template-columns: 1fr; }
  .ticket-row {
    grid-template-columns: auto 1fr;
    grid-template-areas: "key title" "meta meta";
    row-gap: .3rem;
  }
  .tr-key { grid-area: key; }
  .tr-title { grid-area: title; white-space: normal; }
  .badge, .prio, .tr-assignee, .tr-due { grid-row: 2; }
  .project-list li { grid-template-columns: 60px 1fr; }
  .p-desc, .p-count { display: none; }
  .data-table thead { display: none; }
  .data-table tr { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--border); padding: .4rem 0; }
  .data-table td { border: none; padding: .2rem .3rem; }
}