:root {
  color-scheme: light;
  --bg: #f4f5f7;
  --panel: #ffffff;
  --panel-alt: #fafbfc;
  --input-bg: #ffffff;
  --border: #dfe1e6;
  --text: #172b4d;
  --muted: #6b778c;
  --accent: #0052cc;
  --accent-soft: #deebff;
  --chip-border: #b3d4ff;
  --chip-hover: #cfe1ff;
  --today: #fff7d6;
  --danger: #de350b;
  --danger-btn: #de350b;
  --overlay: rgba(9, 30, 66, 0.54);
  --shadow: 0 8px 24px rgba(9, 30, 66, 0.25);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #1d2125;
  --panel: #22272b;
  --panel-alt: #282e33;
  --input-bg: #1d2125;
  --border: #38414a;
  --text: #b6c2cf;
  --muted: #8c9bab;
  --accent: #579dff;
  --accent-soft: #1c2b41;
  --chip-border: #2c4f7c;
  --chip-hover: #24405f;
  --today: #372f18;
  --danger: #f87462;
  --danger-btn: #ae2e24;
  --overlay: rgba(0, 0, 0, 0.64);
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.topbar h1 { font-size: 18px; margin: 0; }
.topbar-actions { display: flex; align-items: center; gap: 8px; }

.theme-toggle {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 4px;
  width: 34px;
  height: 34px;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }

.settings {
  display: none;
  gap: 30px 16px;
  flex-wrap: wrap;
  align-items: flex-end;
  padding: 16px 20px 32px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.settings.open { display: flex; }

.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-size: 12px; color: var(--muted); }
.field input {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--input-bg);
  color: var(--text);
  min-width: 240px;
  font-size: 14px;
}
.field small { font-size: 11px; }
.field small a { color: var(--accent); }

/* Підказку виводимо з потоку, щоб усі поля мали однакову висоту
   і інпути та кнопка стояли в один ряд. */
.settings .field { position: relative; }
.settings .field > small {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  white-space: nowrap;
}
.settings .btn { flex: none; }

.controls {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 20px;
  flex-wrap: wrap;
}
.controls input[type="date"] {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--input-bg);
  color: var(--text);
  font-size: 14px;
}
.week-label { color: var(--muted); margin-left: 6px; }

.btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 14px;
}
.btn:hover { filter: brightness(1.05); }
.btn.ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border);
}

.status {
  padding: 0 20px;
  min-height: 20px;
  color: var(--muted);
}
.status.error { color: var(--danger); }

.table-wrap { padding: 0 20px 40px; overflow-x: auto; }

table {
  border-collapse: collapse;
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
th, td {
  border: 1px solid var(--border);
  padding: 8px 10px;
  text-align: center;
  white-space: nowrap;
}
thead th {
  background: var(--panel-alt);
  color: var(--muted);
  font-weight: 600;
  font-size: 12px;
}
th.today, td.today { background: var(--today); }

.task-cell {
  text-align: left;
  min-width: 320px;
  max-width: 480px;
  white-space: normal;
}
.task-cell a { color: var(--accent); text-decoration: none; font-weight: 600; }
.task-cell a:hover { text-decoration: underline; }
.task-cell .summary { display: block; color: var(--text); }
.task-cell .status {
  display: inline-block;
  margin-top: 4px;
  font-size: 11px;
  color: var(--muted);
  background: var(--accent-soft);
  padding: 1px 6px;
  border-radius: 3px;
}

td.day { vertical-align: top; min-width: 96px; padding: 6px; }
td.day.today { background: var(--today); }
td.total, th.total { background: var(--panel-alt); font-weight: 600; }

.entries { display: flex; flex-direction: column; gap: 4px; }
.chip {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  background: var(--accent-soft);
  border: 1px solid var(--chip-border);
  border-radius: 4px;
  padding: 3px 6px;
  cursor: pointer;
  text-align: left;
  white-space: normal;
}
.chip:hover { background: var(--chip-hover); }
.chip .chip-time { font-weight: 600; color: var(--accent); }
.chip .chip-comment {
  font-size: 11px;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 120px;
  white-space: nowrap;
}
.add-entry {
  border: 1px dashed var(--border);
  background: transparent;
  color: var(--muted);
  border-radius: 4px;
  padding: 2px 6px;
  cursor: pointer;
  font-size: 12px;
  width: 100%;
}
.add-entry:hover { color: var(--accent); border-color: var(--accent); }
td.day .add-entry { margin-top: 4px; }

/* modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--overlay);
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--panel);
  border-radius: 8px;
  padding: 20px;
  width: 380px;
  max-width: 92vw;
  box-shadow: var(--shadow);
}
.modal h2 { margin: 0 0 14px; font-size: 16px; }
.modal .field { margin-bottom: 12px; }
.modal .field input,
.modal .field textarea {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--input-bg);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  width: 100%;
}
.modal-actions { display: flex; align-items: center; gap: 8px; }
.modal-actions .spacer { flex: 1; }
.btn.danger { background: var(--danger-btn); color: #fff; }
.btn.danger:hover { filter: brightness(1.05); }

tfoot td,
.totals-row td { background: var(--panel-alt); font-weight: 600; }
.totals-row td.today { background: var(--today); }
thead .totals-row td { border-bottom: 2px solid var(--border); }

.empty { padding: 30px; text-align: center; color: var(--muted); }