:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --panel-2: #f7f8fa;
  --border: #e3e6ea;
  --text: #1c2128;
  --muted: #6b7280;
  --accent: #2c5cc5;
  --accent-soft: #e6edfb;
  --ok: #1f8a4c;
  --ok-soft: #e3f5ea;
  --warn: #b45309;
  --warn-soft: #fdf1e0;
  --danger: #c2372f;
  --danger-soft: #fbe6e4;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.1);
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101418;
    --panel: #181d23;
    --panel-2: #1f252c;
    --border: #2b323b;
    --text: #e6e9ee;
    --muted: #98a2b3;
    --accent: #6b9cff;
    --accent-soft: #1d2a45;
    --ok: #4cc27a;
    --ok-soft: #14301f;
    --warn: #f0a44c;
    --warn-soft: #3a2712;
    --danger: #f07268;
    --danger-soft: #3b1a17;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
}
h1, h2, h3 { margin: 0; font-weight: 650; }
h2 { font-size: 15px; letter-spacing: 0.01em; }
h3 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin: 18px 0 8px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.hidden { display: none !important; }
.inline { display: inline; }
.spacer { flex: 1; }

/* ---- top bar ---- */
.topbar {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 10px 18px; background: var(--panel); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 5;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { font-size: 16px; }
.brand-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.status { display: flex; gap: 8px; flex-wrap: wrap; flex: 1; }
.actions { display: flex; gap: 8px; align-items: center; }

.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: 999px; font-size: 12px;
  background: var(--panel-2); border: 1px solid var(--border); color: var(--muted);
}
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }
.pill.ok { color: var(--ok); background: var(--ok-soft); border-color: transparent; }
.pill.ok::before { background: var(--ok); }
.pill.warn { color: var(--warn); background: var(--warn-soft); border-color: transparent; }
.pill.warn::before { background: var(--warn); }
.pill.bad { color: var(--danger); background: var(--danger-soft); border-color: transparent; }
.pill.bad::before { background: var(--danger); }
.pill.link { cursor: pointer; }

/* ---- buttons / inputs ---- */
.btn {
  appearance: none; border: 1px solid var(--border); background: var(--panel);
  color: var(--text); padding: 6px 12px; border-radius: 8px; font: inherit; font-size: 13px;
  cursor: pointer; line-height: 1.2; white-space: nowrap;
}
.btn:hover { background: var(--panel-2); }
.btn:disabled { opacity: 0.6; cursor: default; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); background: var(--accent); }
.btn-ghost { border-color: transparent; background: transparent; color: var(--muted); }
.btn-danger { color: var(--danger); border-color: var(--danger-soft); background: var(--danger-soft); }
.btn-small { padding: 3px 8px; font-size: 12px; }
.btn-icon { padding: 2px 6px; font-size: 13px; border-color: transparent; background: transparent; color: var(--muted); }
.btn-icon:hover { background: var(--panel-2); color: var(--text); }

input[type="text"], input[type="password"], input[type="date"], input[type="datetime-local"], textarea, select {
  font: inherit; color: var(--text); background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 10px; width: 100%;
}
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 10px; }
label input, label textarea, label select { margin-top: 4px; }
label.check { display: flex; align-items: center; gap: 8px; }
label.check input { width: auto; margin: 0; }

.banner {
  margin: 12px 18px 0; padding: 10px 14px; border-radius: var(--radius);
  background: var(--warn-soft); color: var(--warn); border: 1px solid transparent;
}
.banner.bad { background: var(--danger-soft); color: var(--danger); }
.banner.ok { background: var(--ok-soft); color: var(--ok); }

/* ---- layout ---- */
.grid {
  display: grid; gap: 16px; padding: 16px 18px 40px;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr);
}
@media (max-width: 1100px) { .grid { grid-template-columns: 1fr 1fr; } .col-brief { grid-column: 1 / -1; } }
@media (max-width: 720px) { .grid { grid-template-columns: 1fr; } .col-brief { grid-column: auto; } }

.col { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px; min-width: 0; }
.col-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }

.add-row { display: flex; gap: 8px; margin-bottom: 12px; }

/* ---- tasks ---- */
.group-title { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin: 14px 0 6px; display: flex; align-items: center; gap: 8px; cursor: default; }
.group-title .count { background: var(--panel-2); border-radius: 999px; padding: 0 7px; font-size: 11px; }
.group-title.toggle { cursor: pointer; }

.task {
  display: grid; grid-template-columns: 22px 1fr auto; gap: 8px; align-items: start;
  padding: 8px 8px; border-radius: 8px; border: 1px solid transparent;
}
.task:hover { background: var(--panel-2); }
.task.done .title { text-decoration: line-through; color: var(--muted); }
.task .check { margin-top: 2px; width: 16px; height: 16px; cursor: pointer; }
.task .title { font-weight: 500; cursor: text; }
.task .title:hover { text-decoration: underline dotted var(--muted); }
.task .title-input { padding: 2px 6px; font-weight: 500; }
.task .details { color: var(--muted); font-size: 13px; margin-top: 2px; white-space: pre-wrap; }
.task .meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.task .tools { display: flex; gap: 2px; opacity: 0; transition: opacity 0.1s; }
.task:hover .tools, .task:focus-within .tools { opacity: 1; }

.chip {
  display: inline-flex; align-items: center; gap: 4px; font-size: 11px; padding: 1px 7px;
  border-radius: 999px; background: var(--panel-2); border: 1px solid var(--border); color: var(--muted);
}
.chip.p4 { color: var(--danger); background: var(--danger-soft); border-color: transparent; }
.chip.p3 { color: var(--warn); background: var(--warn-soft); border-color: transparent; }
.chip.overdue { color: var(--danger); background: var(--danger-soft); border-color: transparent; }
.chip.today { color: var(--warn); background: var(--warn-soft); border-color: transparent; }
.chip.who { color: var(--accent); background: var(--accent-soft); border-color: transparent; }
.chip.inprog { color: var(--ok); background: var(--ok-soft); border-color: transparent; }
.chip.proposed { color: var(--warn); background: var(--warn-soft); border-color: transparent; }
.chip.confirmed { color: var(--ok); background: var(--ok-soft); border-color: transparent; }
.chip.cancelled { color: var(--danger); background: var(--danger-soft); border-color: transparent; text-decoration: line-through; }
.chip a { color: inherit; }

.empty { color: var(--muted); padding: 18px 8px; text-align: center; font-size: 13px; }

/* ---- events ---- */
.event { display: grid; grid-template-columns: 52px 1fr; gap: 10px; padding: 10px 6px; border-top: 1px solid var(--border); }
.event:first-child { border-top: 0; }
.event.cancelled .ev-title { text-decoration: line-through; color: var(--muted); }
.ev-date { text-align: center; border-radius: 8px; background: var(--panel-2); padding: 4px 0; line-height: 1.1; }
.ev-date .d { font-size: 20px; font-weight: 700; }
.ev-date .m { font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.ev-date.past { opacity: 0.6; }
.ev-title { font-weight: 600; }
.ev-when { color: var(--muted); font-size: 13px; }
.ev-desc { color: var(--muted); font-size: 13px; margin-top: 2px; white-space: pre-wrap; }
.ev-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; align-items: center; }
.ev-actions .btn-cal { background: var(--accent); border-color: var(--accent); color: #fff; }
.ev-actions .btn-cal.on { background: var(--ok-soft); border-color: transparent; color: var(--ok); }

/* ---- briefing ---- */
.summary-card { padding: 10px 12px; border-radius: 8px; background: var(--panel-2); margin-bottom: 8px; }
.summary-card .ch { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); display: flex; justify-content: space-between; }
.summary-card .txt { margin-top: 4px; }
.note { display: flex; gap: 8px; align-items: flex-start; padding: 6px 0; border-top: 1px solid var(--border); font-size: 13px; }
.note:first-child { border-top: 0; }
.note .txt { flex: 1; }
.act { padding: 6px 0; border-top: 1px solid var(--border); font-size: 12.5px; }
.act:first-child { border-top: 0; }
.act .when { color: var(--muted); }
.act .err { color: var(--danger); }
.act .sum { margin-top: 2px; }

/* ---- drawer ---- */
.drawer {
  position: fixed; top: 0; right: 0; height: 100%; width: min(380px, 100%);
  background: var(--panel); border-left: 1px solid var(--border); box-shadow: -8px 0 24px rgba(0,0,0,0.15);
  padding: 16px; z-index: 20; overflow: auto;
}
.drawer-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.chan { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 8px 0; border-top: 1px solid var(--border); }
.chan:first-child { border-top: 0; }
.chan .name { font-weight: 500; }
.chan .sub { font-size: 12px; color: var(--muted); }
.switch { position: relative; width: 38px; height: 22px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch span { position: absolute; inset: 0; background: var(--border); border-radius: 999px; cursor: pointer; transition: 0.15s; }
.switch span::after { content: ""; position: absolute; width: 16px; height: 16px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: 0.15s; }
.switch input:checked + span { background: var(--ok); }
.switch input:checked + span::after { transform: translateX(16px); }

/* ---- modal ---- */
.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.35); z-index: 30; display: flex; align-items: center; justify-content: center; padding: 16px; }
.modal { background: var(--panel); border-radius: 12px; padding: 18px; width: min(520px, 100%); box-shadow: 0 20px 60px rgba(0,0,0,0.3); }
.modal h2 { margin-bottom: 12px; }
.modal-actions { display: flex; gap: 8px; margin-top: 8px; }
.modal .row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.modal .source { font-size: 12px; color: var(--muted); background: var(--panel-2); padding: 8px 10px; border-radius: 8px; margin-bottom: 10px; }

/* ---- login ---- */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 28px; width: min(360px, 92vw); box-shadow: var(--shadow); }
.login-card h1 { font-size: 20px; margin-bottom: 4px; }
.login-card p { margin: 0 0 16px; }
.login-card .btn { width: 100%; margin-top: 6px; padding: 9px; }
.error { color: var(--danger); background: var(--danger-soft); padding: 8px 10px; border-radius: 8px; margin-bottom: 12px; font-size: 13px; }