:root {
  --bg: #f5f6f8; --card: #fff; --text: #1d2330; --muted: #6b7384; --line: #e3e6ec;
  --primary: #2f5bea; --primary-ink: #fff; --primary-soft: #eaf0ff;
  --danger: #d93838; --warn: #d9822b; --good: #1f9d55;
  --radius: 10px; --shadow: 0 1px 2px rgba(20,30,50,.06), 0 1px 3px rgba(20,30,50,.05);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b; --card: #1b1f27; --text: #e6e9ef; --muted: #9aa3b4; --line: #2b313c;
    --primary: #5b7fff; --primary-soft: #232c47; --shadow: none; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: 0 0 .5rem; }
h2 { font-size: 1rem; margin: 0 0 .75rem; }
h3 { font-size: .95rem; margin: 1rem 0 .5rem; }
.mt { margin-top: 1.25rem; }
.muted { color: var(--muted); }
.small { font-size: .82rem; }
.nowrap { white-space: nowrap; }
.inline { display: inline; }
.empty { padding: .5rem 0; }

/* Üst menü */
.topbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 1.25rem; padding: .6rem 1.25rem; background: var(--card); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: .5rem; font-weight: 700; color: var(--text); }
.brand:hover { text-decoration: none; }
.logo { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: var(--primary); color: #fff; font-weight: 800; }
.logo.lg { width: 48px; height: 48px; font-size: 1.5rem; border-radius: 12px; }
.mainnav { display: flex; gap: .25rem; flex: 1; }
.mainnav a { padding: .4rem .75rem; border-radius: 8px; color: var(--muted); font-weight: 500; }
.mainnav a:hover { background: var(--bg); text-decoration: none; color: var(--text); }
.mainnav a.active { background: var(--primary-soft); color: var(--primary); }
.userbox { display: flex; align-items: center; gap: .75rem; }
.avatar { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); font-weight: 700; font-size: .8rem; flex: none; }
.avatar:hover { text-decoration: none; }
.avatar.sm { width: 28px; height: 28px; font-size: .72rem; }
.avatar.xs { width: 22px; height: 22px; font-size: .62rem; vertical-align: middle; }

.container { max-width: 1200px; margin: 0 auto; padding: 1.25rem; }
.pagehead { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap; }
.pagehead h1 { margin: 0; }
.crumbs { margin-bottom: .5rem; font-size: .9rem; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; box-shadow: var(--shadow); margin-bottom: 1rem; }
.card.narrow { max-width: 640px; }
.grid2 > * { min-width: 0; }
.grid2 { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 1rem; }
.grid2 > .card { margin-bottom: 0; }
.grid2 + .card, .grid2 { margin-bottom: 1rem; }
.grid2.wide-left { grid-template-columns: minmax(0,2fr) minmax(0,1fr); align-items: start; }

/* Butonlar */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .35rem; padding: .5rem .9rem; border: 1px solid var(--line); background: var(--card); color: var(--text); border-radius: 8px; font: inherit; font-weight: 500; cursor: pointer; }
.btn:hover { text-decoration: none; border-color: var(--muted); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.btn.primary:hover { filter: brightness(1.07); }
.btn.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, var(--line)); }
.btn.sm { padding: .3rem .65rem; font-size: .85rem; }
.btn.block { width: 100%; }
.linkbtn { background: none; border: 0; color: var(--primary); cursor: pointer; font: inherit; padding: 0; }
.linkbtn:hover { text-decoration: underline; }
.actions { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.btnrow { display: flex; gap: .35rem; flex-wrap: wrap; margin-top: .35rem; }

/* Formlar */
.form { display: flex; flex-direction: column; gap: .8rem; }
.form label { display: flex; flex-direction: column; gap: .3rem; font-weight: 500; font-size: .9rem; }
input, select, textarea { font: inherit; color: var(--text); background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: .5rem .65rem; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--primary) 35%, transparent); border-color: var(--primary); }
input[type=file] { padding: .35rem; }
input[type=checkbox] { width: auto; }
textarea { resize: vertical; }
.row { display: flex; gap: .8rem; }
.row > * { flex: 1; }
.row.between { justify-content: space-between; align-items: center; }
.row.between > * { flex: none; }
.row.between input[type=file] { flex: 1 1 auto; width: auto; min-width: 0; }

/* Mesajlar */
.flash { padding: .65rem .9rem; border-radius: 8px; margin-bottom: .75rem; background: color-mix(in srgb, var(--good) 12%, var(--card)); border: 1px solid color-mix(in srgb, var(--good) 35%, var(--line)); }
.flash.err { background: color-mix(in srgb, var(--danger) 10%, var(--card)); border-color: color-mix(in srgb, var(--danger) 35%, var(--line)); }

/* Giriş */
.auth-wrap { min-height: 80vh; display: grid; place-items: center; }
.auth { width: 100%; max-width: 400px; padding: 2rem; }
.auth h1 { text-align: center; margin-bottom: .2rem; }
.auth > .muted { text-align: center; margin-top: 0; }
.auth-logo { display: flex; justify-content: center; margin-bottom: .75rem; }
.checks { list-style: none; padding: 0; margin: 0 0 1rem; font-size: .88rem; }
.checks .ok { color: var(--good); } .checks .bad { color: var(--danger); }

/* Rozetler */
.badge { display: inline-block; padding: .1rem .5rem; border-radius: 999px; font-size: .75rem; font-weight: 600; background: var(--bg); color: var(--muted); border: 1px solid var(--line); white-space: nowrap; }
.st-yapilacak { background: #eef1f6; color: #4a5568; border-color: #dde2ea; }
.st-devam { background: #e7efff; color: #2f5bea; border-color: #cddbff; }
.st-beklemede { background: #fff4e5; color: #b8650f; border-color: #fbdcb3; }
.st-tamamlandi { background: #e6f6ec; color: #1f8a4c; border-color: #bfe6cc; }
.pr-dusuk { background: transparent; }
.pr-orta { background: #f1f3f7; color: #4a5568; }
.pr-yuksek { background: #fff0e6; color: #c05621; border-color: #fbd3b5; }
.pr-acil { background: #fdecec; color: #c53030; border-color: #f6c4c4; }
@media (prefers-color-scheme: dark) {
  .st-yapilacak, .pr-orta { background: #262c37; color: #b8c0cf; border-color: #333a47; }
  .st-devam { background: #1f2a4a; color: #8ea8ff; border-color: #2d3c68; }
  .st-beklemede { background: #3a2a14; color: #f0b46b; border-color: #54391a; }
  .st-tamamlandi { background: #143322; color: #6fd39a; border-color: #1f4a31; }
  .pr-yuksek { background: #3a2414; color: #f5a46b; border-color: #54331a; }
  .pr-acil { background: #3d1a1a; color: #ff8a8a; border-color: #5a2525; }
}
.tag { display: inline-block; font-size: .72rem; color: var(--muted); background: var(--bg); border-radius: 4px; padding: 0 .4rem; }
.due { font-size: .8rem; color: var(--muted); white-space: nowrap; }
.due.late, .late { color: var(--danger); font-weight: 600; }

/* Pano istatistikleri */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1rem; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; display: flex; flex-direction: column; color: var(--text); box-shadow: var(--shadow); }
.stat:hover { text-decoration: none; border-color: var(--primary); }
.stat .num { font-size: 1.9rem; font-weight: 700; line-height: 1.1; }
.stat .lbl { color: var(--muted); font-size: .85rem; }
.stat.warn .num { color: var(--danger); }
.stat.good .num { color: var(--good); }
.tlist { list-style: none; margin: 0; padding: 0; }
.tlist li { display: flex; justify-content: space-between; gap: .75rem; padding: .5rem 0; border-top: 1px solid var(--line); align-items: center; }
.tlist li:first-child { border-top: 0; }
.tlist .meta { display: flex; gap: .4rem; align-items: center; flex: none; }
.bars { display: flex; flex-direction: column; gap: .45rem; }
.bar { display: grid; grid-template-columns: 130px 1fr 28px; gap: .5rem; align-items: center; font-size: .88rem; }
.bname { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.btrack { height: 10px; background: var(--bg); border-radius: 5px; overflow: hidden; }
.bfill { display: block; height: 100%; background: var(--primary); border-radius: 5px; }
.bval { text-align: right; font-weight: 600; }
.statusline { display: flex; flex-wrap: wrap; gap: .75rem; }
.statusline a { color: var(--text); }
.activity { list-style: none; padding: 0; margin: 0; }
.activity li { display: flex; gap: .7rem; padding: .55rem 0; border-top: 1px solid var(--line); align-items: flex-start; }
.activity li:first-child { border-top: 0; }
.activity li > div { flex: 1; min-width: 0; }
.clamp { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Filtreler */
.filters { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; padding: .7rem; }
.filters input[type=search] { flex: 1 1 200px; width: auto; }
.filters select { width: auto; flex: 0 1 auto; }
.chk { display: flex; gap: .35rem; align-items: center; font-size: .9rem; white-space: nowrap; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--card); }
.seg a { padding: .35rem .85rem; color: var(--muted); font-weight: 500; }
.seg a.on { background: var(--primary-soft); color: var(--primary); }
.seg a:hover { text-decoration: none; }

/* Kanban */
.board { display: grid; grid-template-columns: repeat(4, minmax(230px, 1fr)); gap: .9rem; overflow-x: auto; padding-bottom: .5rem; }
.col { background: color-mix(in srgb, var(--line) 45%, var(--bg)); border-radius: var(--radius); padding: .6rem; min-height: 200px; transition: outline-color .1s; outline: 2px dashed transparent; }
.col.over { outline-color: var(--primary); }
.col header { display: flex; justify-content: space-between; align-items: center; margin-bottom: .6rem; padding: 0 .2rem; }
.cards { display: flex; flex-direction: column; gap: .55rem; min-height: 60px; }
.tcard { display: block; background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--line); border-radius: 8px; padding: .6rem .7rem; color: var(--text); box-shadow: var(--shadow); cursor: grab; }
.tcard:hover { text-decoration: none; border-color: var(--primary); }
.tcard.dragging { opacity: .5; }
.pr-edge-acil { border-left-color: #e05252; }
.pr-edge-yuksek { border-left-color: #ed8936; }
.pr-edge-orta { border-left-color: #a0aec0; }
.ttitle { font-weight: 600; margin-bottom: .3rem; word-break: break-word; }
.tmeta { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; margin-top: .3rem; }
.tcard .tmeta .avatar { margin-left: auto; }

/* Tablo */
.tablewrap { overflow-x: auto; padding: 0; }
.table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.table th, .table td { padding: .6rem .8rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table th { font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); font-weight: 600; background: color-mix(in srgb, var(--line) 30%, var(--card)); }
.table tr:last-child td { border-bottom: 0; }
.table tr.inactive td { opacity: .55; }

/* İş detayı */
.taskhead { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; margin-bottom: 1rem; flex-wrap: wrap; }
.taskhead h1 { margin-bottom: .35rem; word-break: break-word; }
.taskgrid { display: grid; grid-template-columns: minmax(0,1fr) 320px; gap: 1rem; align-items: start; }
.taskgrid > * { min-width: 0; }
.prose { white-space: normal; word-break: break-word; }
.info { display: grid; grid-template-columns: auto 1fr; gap: .4rem .9rem; margin: 0 0 1rem; font-size: .9rem; }
.info dt { color: var(--muted); }
.info dd { margin: 0; }
.quickstatus { border-top: 1px solid var(--line); padding-top: .75rem; }
.comments { list-style: none; padding: 0; margin: 0 0 1rem; }
.comments li { display: flex; gap: .7rem; padding: .6rem 0; border-top: 1px solid var(--line); }
.comments li:first-child { border-top: 0; }
.comments li.sys { padding: .35rem 0; }
.comments li.sys .avatar { opacity: .5; }
.cbody { flex: 1; min-width: 0; }
.chead { display: flex; gap: .5rem; align-items: baseline; flex-wrap: wrap; }
.files { list-style: none; padding: 0; margin: 0; }
.files li { padding: .45rem 0; border-top: 1px solid var(--line); display: flex; flex-direction: column; word-break: break-all; }
.files li:first-child { border-top: 0; }

/* Mobil */
@media (max-width: 900px) {
  .grid2, .grid2.wide-left, .taskgrid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .board { grid-template-columns: repeat(4, 80vw); scroll-snap-type: x mandatory; }
  .col { scroll-snap-align: start; }
}
@media (max-width: 640px) {
  .container { padding: 1rem; }
  .topbar { flex-wrap: wrap; gap: .5rem; padding: .5rem 1rem; }
  .brand span:last-child { display: none; }
  .mainnav { order: 3; flex-basis: 100%; overflow-x: auto; }
  .userbox { margin-left: auto; }
  .row { flex-direction: column; }
  .filters select, .filters input[type=search] { flex: 1 1 100%; }
  .tlist li { flex-direction: column; align-items: flex-start; }
}