:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --line: #dfe4e8;
  --text: #1f2d3a;
  --muted: #6b7b8a;
  --green: #27ae60;
  --amber: #e67e22;
  --red: #c0392b;
  --blue: #2980b9;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

a { color: var(--blue); }

.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 24px;
  background: var(--text);
  color: #fff;
}
.topbar .brand { font-weight: 700; color: #fff; text-decoration: none; }
.topbar nav { display: flex; gap: 18px; }
.topbar nav a { color: #cfd8e0; text-decoration: none; }
.topbar nav a:hover { color: #fff; }
.topbar-user { margin-left: auto; font-size: 13px; color: #9fb0bf; display: flex; align-items: center; gap: 10px; }
.logout-form { display: inline; }
.logout-form button {
  background: none; border: none; color: #9fb0bf; font: inherit;
  text-decoration: underline; cursor: pointer; padding: 0;
}
.logout-form button:hover { color: #fff; }

.btn {
  display: inline-block; padding: 6px 14px; border-radius: 6px;
  border: 1px solid var(--line); background: #fff; color: var(--text);
  font-size: 14px; text-decoration: none; cursor: pointer;
}
.btn:hover { background: #f4f7f9; }
.btn-primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-primary:hover { background: #24709f; }
.btn-danger { background: var(--red); border-color: var(--red); color: #fff; }
.btn-small { padding: 3px 9px; font-size: 13px; }

.form-row { display: flex; gap: 16px; margin-bottom: 14px; align-items: flex-start; }
.form-row label { flex: 0 0 180px; padding-top: 6px; font-size: 14px; font-weight: 600; }
.form-field { flex: 1 1 auto; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; max-width: 460px; padding: 6px 8px; font: inherit; font-size: 14px;
  border: 1px solid var(--line); border-radius: 5px; background: #fff;
}
.form-field input[type="color"] { width: 60px; padding: 2px; }
.form-field input[type="checkbox"] { width: auto; }
.form-actions { display: flex; gap: 10px; margin-top: 20px; }
.form-errors { color: var(--red); font-size: 13px; margin-top: 4px; }
.form-errors ul { margin: 0; padding-left: 16px; }

main { max-width: 1180px; margin: 0 auto; padding: 24px; }

h1 { font-size: 24px; margin: 0 0 4px; }
h2 { font-size: 18px; margin: 28px 0 12px; }
h3 { font-size: 15px; margin: 18px 0 8px; }

.sub { color: var(--muted); margin: 0 0 20px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  margin-bottom: 16px;
}

.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.card-head h2 { margin: 0; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
}
.v-on_track { background: var(--green); }
.v-tight    { background: var(--amber); }
.v-late     { background: var(--red); }
.v-done     { background: var(--muted); }
.v-no_date  { background: var(--muted); }
.v-no_tasks { background: var(--muted); }

.dates { display: flex; flex-wrap: wrap; gap: 28px; margin: 14px 0; }
.dates div { min-width: 120px; }
.dates .label { display: block; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.dates .value { font-size: 17px; font-weight: 600; }
.dates .value.late { color: var(--red); }
.dates .value.ok { color: var(--green); }

.bar { height: 8px; background: #e7ecf0; border-radius: 4px; overflow: hidden; margin: 10px 0 4px; }
.bar span { display: block; height: 100%; background: var(--green); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; }
td.num, th.num { text-align: right; white-space: nowrap; }

.muted { color: var(--muted); }
.link-url { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12px; word-break: break-all; }
.small { font-size: 13px; }
.late { color: var(--red); font-weight: 600; }
.ok { color: var(--green); }

.chip {
  display: inline-block;
  padding: 1px 7px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 12px;
  color: var(--muted);
  background: #f8fafb;
}

.owner-dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 6px; }

.status-form { display: inline-flex; gap: 4px; align-items: center; }
.status-form select, .status-form button {
  font: inherit; font-size: 13px; padding: 2px 6px;
  border: 1px solid var(--line); border-radius: 4px; background: #fff;
}
.status-form button { cursor: pointer; }

.done td { opacity: .55; }
.done .task-title { text-decoration: line-through; }

.recovery { margin: 6px 0 0; padding-left: 18px; font-size: 14px; }
.recovery li { margin-bottom: 4px; }
.chain { margin: 6px 0 0; padding-left: 20px; font-size: 14px; }
.chain li { margin-bottom: 3px; }
.chip-critical { border-color: var(--red); color: var(--red); background: #fdf1ef; }
.chip-overdue, .chip-overrun { border-color: var(--red); color: var(--red); background: #fdf1ef; }
.chip-stale { border-color: var(--amber); color: #a35b12; background: #fdf4ea; }
.chip-oversized { border-color: var(--blue); color: #1f6390; background: #eef5fa; }

.people-switch { display: flex; gap: 8px; flex-wrap: wrap; }
.person-tab {
  display: inline-flex; align-items: center; padding: 6px 12px;
  border: 1px solid var(--line); border-radius: 6px;
  text-decoration: none; color: var(--text); font-size: 14px;
}
.person-tab.active { border-color: var(--blue); background: #eef5fa; font-weight: 600; }
tr.critical td { box-shadow: inset 3px 0 0 var(--red); }
.hist-axis { font-size: 10px; fill: var(--muted); }

.why { background: #f8fafb; border-left: 3px solid var(--blue); padding: 12px 16px; font-size: 14px; }
.why ul { margin: 6px 0 0; padding-left: 18px; }

.messages { list-style: none; margin: 0; padding: 10px 24px; background: #e8f6ee; }
.messages li.error { color: var(--red); }

/* Časová osa */
.gantt { display: flex; align-items: flex-start; gap: 0; padding: 0; overflow: hidden; }
.gantt-labels {
  flex: 0 0 168px;
  border-right: 1px solid var(--line);
  background: var(--card);
  padding-left: 14px;
}
.gantt-label { display: flex; align-items: center; font-size: 13px; font-weight: 600; }
.gantt-track { overflow-x: auto; flex: 1 1 auto; }
.gantt-track svg { display: block; }
.gantt-week { font-size: 10px; fill: var(--muted); }
.gantt-month { font-size: 11px; font-weight: 700; fill: var(--text); text-transform: capitalize; }
.gantt-mark { font-size: 11px; font-weight: 700; fill: var(--red); }
.gantt-today { font-size: 11px; font-weight: 700; fill: var(--blue); }
.gantt-bar-text { font-size: 11px; fill: #fff; }
.gantt-bar-text.outside { fill: var(--text); }