:root{
  --bg: #0b0f14;
  --panel: rgba(255,255,255,.035);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.65);
  --border: rgba(255,255,255,.08);
  --shadow: 0 8px 20px rgba(0,0,0,.25);
  --radius: 10px;
  --gap: 8px;
  --maxw: 1400px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light){
  :root{
    --bg: #f6f7fb;
    --panel: rgba(255,255,255,.85);
    --text: rgba(0,0,0,.88);
    --muted: rgba(0,0,0,.55);
    --border: rgba(0,0,0,.08);
    --shadow: 0 8px 20px rgba(0,0,0,.10);
    color-scheme: light;
  }
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: var(--bg);
  color: var(--text);
  line-height:1.35;
}

a{color:inherit;text-decoration:none}

.container{
  width: min(var(--maxw), calc(100% - 16px));
  margin:0 auto;
}

/* === TOPBAR === */
.topbar{
  position:sticky;
  top:0;
  z-index:20;
  backdrop-filter: blur(8px);
  background: rgba(0,0,0,.25);
  border-bottom:1px solid var(--border);
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:6px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:8px;
  font-weight:600;
}
.brand small{
  display:block;
  font-weight:500;
  color:var(--muted);
  font-size:11px;
}
.actions{
  display:flex;
  align-items:center;
  gap:6px;
}

/* === BUTTONS === */
.btn{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 8px;
  font-size:13px;
  border-radius:8px;
  border:1px solid var(--border);
  background: transparent;
}
.btn:hover{background:rgba(255,255,255,.06)}
.btn-muted{color:var(--muted)}
.btn-sm{
  padding:4px 7px;
  font-size:12px;
}

/* === SEGMENT (admin sloupce) === */
.seg{
  display:flex;
  gap:4px;
  padding:4px;
  border-radius:9px;
  border:1px solid var(--border);
}
.seg-btn{
  padding:4px 7px;
  font-size:12px;
  border-radius:7px;
  color:var(--muted);
}
.seg-btn.is-active{
  color:var(--text);
  border:1px solid var(--border);
}

/* === GRID / COLUMNS === */
.columns{
  display:grid;
  grid-template-columns: repeat(6,1fr);
  gap:var(--gap);
  padding:8px 0;
}
@media(max-width:1100px){.columns{grid-template-columns:repeat(3,1fr)}}
@media(max-width:700px){.columns{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.columns{grid-template-columns:1fr}}

.col{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.col-head{
  padding:6px 8px;
  border-bottom:1px solid var(--border);
}
.col-title{
  margin:0;
  font-size:11px;
  font-weight:600;
  color:var(--muted);
  text-transform:uppercase;
}

/* === LINKS === */
.links{
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:2px;
}
.link{
  display:flex;
  gap:2px;
  padding:6px 4px;
  border-radius:8px;
  border:1px solid var(--border);
  background:transparent;
}
.link:hover{background:rgba(255,255,255,.05)}

.link .label{
  font-size:12px;
  font-weight:500;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.link .chev{
  font-size:12px;
  color:var(--muted);
}

/* === ADMIN LINK === */
.link-admin{
  align-items:flex-start;
}
.link-admin .meta{
  flex:1;
  min-width:0;
}
.link-admin .url{
  font-size:11px;
  color:var(--muted);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  margin-top:2px;
}
.link-admin .stats{
  font-size:11px;
  color:var(--muted);
  margin-top:3px;
}
.link-admin .actions{
  display:flex;
  gap:5px;
}

/* === FORMS === */
.card{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:10px;
  box-shadow:var(--shadow);
}
.card-title{
  margin:0 0 6px;
  font-size:14px;
  font-weight:600;
}
.field{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.field label{
  font-size:11px;
  color:var(--muted);
}
.input{
  padding:6px 8px;
  font-size:13px;
  border-radius:8px;
  border:1px solid var(--border);
  background:transparent;
  color:var(--text);
}
.input:focus{
  outline:none;
  border-color:rgba(120,120,255,.45);
}

/* === ALERT === */
.alert{
  padding:6px 8px;
  font-size:12px;
  border-radius:8px;
  border:1px solid var(--border);
}
.alert.error{border-color:rgba(255,120,120,.4)}
.alert.success{border-color:rgba(120,255,160,.4)}

/* === FOOTER === */
.footer{
  padding:12px 0;
  font-size:11px;
  color:var(--muted);
  border-top:1px solid var(--border);
}
.col[data-col="1"] .col-head{ background: linear-gradient(135deg, rgba(122,162,255,.25), transparent); }
.col[data-col="2"] .col-head{ background: linear-gradient(135deg, rgba(111,227,177,.25), transparent); }
.col[data-col="3"] .col-head{ background: linear-gradient(135deg, rgba(255,212,121,.25), transparent); }
.col[data-col="4"] .col-head{ background: linear-gradient(135deg, rgba(255,155,155,.25), transparent); }
.col[data-col="5"] .col-head{ background: linear-gradient(135deg, rgba(199,155,255,.25), transparent); }
.col[data-col="6"] .col-head{ background: linear-gradient(135deg, rgba(155,231,255,.25), transparent); }
/* === COLUMN COLOR WASH (sjednocený sloupec) === */

/* Sloupec 1 – modrá */
.col[data-col="1"]{
  background: linear-gradient(
    180deg,
    rgba(122,162,255,.14),
    rgba(122,162,255,.04)
  );
}
.col[data-col="1"] .col-head{
  background: rgba(122,162,255,.22);
}

/* Sloupec 2 – zelená */
.col[data-col="2"]{
  background: linear-gradient(
    180deg,
    rgba(111,227,177,.14),
    rgba(111,227,177,.04)
  );
}
.col[data-col="2"] .col-head{
  background: rgba(111,227,177,.22);
}

/* Sloupec 3 – žlutá */
.col[data-col="3"]{
  background: linear-gradient(
    180deg,
    rgba(255,212,121,.16),
    rgba(255,212,121,.05)
  );
}
.col[data-col="3"] .col-head{
  background: rgba(255,212,121,.24);
}

/* Sloupec 4 – červená */
.col[data-col="4"]{
  background: linear-gradient(
    180deg,
    rgba(255,155,155,.16),
    rgba(255,155,155,.05)
  );
}
.col[data-col="4"] .col-head{
  background: rgba(255,155,155,.24);
}

/* Sloupec 5 – fialová */
.col[data-col="5"]{
  background: linear-gradient(
    180deg,
    rgba(199,155,255,.16),
    rgba(199,155,255,.05)
  );
}
.col[data-col="5"] .col-head{
  background: rgba(199,155,255,.24);
}

/* Sloupec 6 – tyrkysová */
.col[data-col="6"]{
  background: linear-gradient(
    180deg,
    rgba(155,231,255,.16),
    rgba(155,231,255,.05)
  );
}
.col[data-col="6"] .col-head{
  background: rgba(155,231,255,.24);
}
/* === AUTH PAGES: komfortnější spacing (login/registrace) === */
.page-auth .container{
  width: min(1100px, calc(100% - 32px));
}

.page-auth .topbar-inner{
  padding: 12px 0;
}

.page-auth .auth-wrap{
  min-height: calc(100vh - 76px);
  padding: 26px 0 40px;
}

.page-auth .card{
  width: min(460px, 100%);
  padding: 18px;
  border-radius: 16px;
}

.page-auth .card h1{
  font-size: 20px;
  margin: 0 0 6px;
}

.page-auth .card p{
  margin: 0 0 14px;
  color: var(--muted);
}

.page-auth .field{
  gap: 6px;
  margin-bottom: 12px;
}

.page-auth .field label{
  font-size: 13px;
}

.page-auth .input{
  padding: 11px 12px;
  border-radius: 12px;
  font-size: 14px;
}

.page-auth .btn{
  padding: 9px 12px;
  border-radius: 12px;
  font-size: 14px;
}

.page-auth .btn-primary{
  width: 100%;
  justify-content: center;
  font-weight: 700;
}

.page-auth .small-links{
  margin-top: 12px;
  font-size: 13px;
}
/* === AUTH PAGE FIX: skutečné centrování loginu === */

.page-auth .container{
  width: 100%;
  max-width: none;
}

.page-auth .auth-wrap{
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 64px);
}
/* === ADMIN: ZÚŽENÝ PANEL === */
.admin-narrow{
  width: min(600px, calc(100% - 16px));
  margin: 0 auto;
}

/* === ADMIN: LIŠTA PŘEPÍNÁNÍ SLOUPCŮ === */
.colbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin:8px 0;
  padding:6px 8px;
  border:1px solid var(--border);
  border-radius:10px;
  background:var(--panel);
}
.colbar-title{
  font-size:12px;
  color:var(--muted);
}

.coltabs{
  display:flex;
  gap:6px;
}
.coltab{
  width:32px;
  height:26px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:8px;
  border:1px solid var(--border);
  font-size:12px;
  color:var(--muted);
}
.coltab.is-active{
  color:var(--text);
  font-weight:650;
}

/* === BARVY PODLE SLOUPCŮ === */
.coltab[data-col="1"].is-active{ background:rgba(122,162,255,.22); border-color:rgba(122,162,255,.4); }
.coltab[data-col="2"].is-active{ background:rgba(111,227,177,.22); border-color:rgba(111,227,177,.4); }
.coltab[data-col="3"].is-active{ background:rgba(255,212,121,.24); border-color:rgba(255,212,121,.4); }
.coltab[data-col="4"].is-active{ background:rgba(255,155,155,.24); border-color:rgba(255,155,155,.4); }
.coltab[data-col="5"].is-active{ background:rgba(199,155,255,.24); border-color:rgba(199,155,255,.4); }
.coltab[data-col="6"].is-active{ background:rgba(155,231,255,.24); border-color:rgba(155,231,255,.4); }