/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0f0f1a;
  --bg2:      #1a1a2e;
  --bg3:      #242440;
  --surface:  #2a2a4a;
  --border:   #3a3a5a;
  --accent:   #4f46e5;
  --accent2:  #818cf8;
  --green:    #22c55e;
  --amber:    #f59e0b;
  --red:      #ef4444;
  --text:     #e2e8f0;
  --text-dim: #94a3b8;
  --radius:   8px;
  --shadow:   0 2px 12px rgba(0,0,0,.4);
}

html, body { height: 100%; font-family: system-ui, sans-serif; background: var(--bg); color: var(--text); font-size: 16px; }

/* ── Topbar ── */
.topbar {
  display: flex; align-items: center; gap: 1rem;
  padding: 0 1rem; height: 48px;
  background: var(--bg2); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}
.logo { font-weight: 700; font-size: 1.1rem; color: var(--accent2); white-space: nowrap; }
.tab-nav { display: flex; gap: .25rem; margin-left: auto; }
.tab-btn {
  background: none; border: 1px solid transparent; color: var(--text-dim);
  padding: .3rem .9rem; border-radius: var(--radius); cursor: pointer;
  font-size: .9rem; transition: all .15s;
}
.tab-btn:hover { color: var(--text); background: var(--bg3); }
.tab-btn.active { color: var(--accent2); border-color: var(--accent); background: var(--bg3); }
.topbar-right { display: flex; align-items: center; gap: .5rem; }
.sync-indicator { font-size: 1.1rem; color: var(--text-dim); transition: color .3s; }
.sync-indicator.syncing { color: var(--amber); animation: pulse 1s infinite; }
.sync-indicator.ok     { color: var(--green); }
.sync-indicator.error  { color: var(--red); }
.online-badge { font-size: .7rem; padding: .15rem .4rem; border-radius: 99px; background: var(--green); color: #000; font-weight: 600; }
.online-badge.offline  { background: var(--red); color: #fff; }

/* ── Layout ── */
.layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  grid-template-rows: 1fr;
  height: calc(100vh - 48px);
  overflow: hidden;
}
.pane {
  display: flex; flex-direction: column;
  overflow: hidden;
  border-right: 1px solid var(--border);
}
.pane-settings { grid-column: 1 / -1; overflow-y: auto; padding: 1rem; display: none; }
.pane-settings.active-tab { display: block; }
/* Tasks + calendar always visible together in main view */
.pane-tasks   { display: flex; }
.pane-calendar { display: flex; }
.pane-tasks.hidden-pane, .pane-calendar.hidden-pane { display: none; }

/* Mobile: stack, show tasks by default */
@media (max-width: 700px) {
  .layout { grid-template-columns: 1fr; }
  .pane-calendar { display: none; }
  .pane-tasks { display: flex; }
}

/* ── Pane header ── */
.pane-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: .5rem .75rem; border-bottom: 1px solid var(--border);
  background: var(--bg2); flex-shrink: 0;
}
.pane-header h2 { font-size: .9rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--text-dim); }
.cal-nav { display: flex; align-items: center; gap: .4rem; }
#calTitle { font-size: .85rem; min-width: 6rem; text-align: center; color: var(--text-dim); }

/* ── Buttons ── */
.btn {
  padding: .5rem 1.1rem; border-radius: var(--radius); border: none;
  cursor: pointer; font-size: 1rem; font-weight: 500; transition: opacity .15s;
}
.btn:hover { opacity: .85; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-ghost   { background: var(--bg3); color: var(--text); border: 1px solid var(--border); }
.btn-sm      { padding: .3rem .75rem; font-size: .9rem; }
.btn-icon    { background: none; border: none; cursor: pointer; color: var(--accent2); font-size: 1.2rem; line-height: 1; padding: .1rem .3rem; border-radius: 4px; }
.btn-icon:hover { background: var(--bg3); }
.btn-danger  { background: var(--red); color: #fff; }

/* ── Cards & forms ── */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: .75rem; }
.form-card { margin: .4rem; }
.form-card h3 { font-size: .9rem; margin-bottom: .75rem; color: var(--accent2); }
label { display: flex; flex-direction: column; gap: .3rem; font-size: .95rem; color: var(--text-dim); margin-bottom: .75rem; }
input[type=text], input[type=url], input[type=password], input[type=number], input[type=datetime-local], select {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 6px;
  color: var(--text); padding: .5rem .75rem; font-size: 1rem; width: 100%;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.form-actions { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.hint { font-size: .75rem; color: var(--text-dim); margin-bottom: .5rem; }
.hidden { display: none !important; }

/* ── Task list ── */
.task-list { padding: .4rem; display: flex; flex-direction: column; gap: .3rem; flex: 1; overflow-y: auto; }
.task-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: .5rem .65rem;
  border-left: 3px solid transparent;
}
.task-card.status-active    { border-left-color: var(--green); }
.task-card.status-paused    { border-left-color: var(--amber); }
.task-card.status-scheduled { border-left-color: var(--accent2); }
.task-card.status-done      { border-left-color: var(--text-dim); opacity: .55; }
.task-name  { font-weight: 600; font-size: .9rem; margin-bottom: .15rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.task-meta  { font-size: .75rem; color: var(--text-dim); margin-bottom: .35rem; }
.task-actions { display: flex; gap: .3rem; flex-wrap: wrap; align-items: center; }
.task-timer { font-size: .75rem; color: var(--green); font-variant-numeric: tabular-nums; margin-left: auto; }
.task-timer.paused { color: var(--amber); }

/* ── Countdown bar ── */
.countdown-bar {
  display: flex; align-items: center; gap: .75rem;
  padding: .6rem 1rem; background: var(--bg3);
  border-bottom: 1px solid var(--border); flex-shrink: 0;
  font-size: 1rem;
}
#countdownLabel { color: var(--text-dim); }
#countdownTimer { font-weight: 700; color: var(--accent2); font-variant-numeric: tabular-nums; }

/* ── Calendar view ── */
.calendar-view { flex: 1; overflow: auto; position: relative; }
.cal-grid {
  display: grid;
  min-width: 600px;
}
.cal-day-headers {
  display: grid;
  grid-template-columns: 48px repeat(var(--days), 1fr);
  position: sticky; top: 0; z-index: 10;
  background: var(--bg2); border-bottom: 1px solid var(--border);
}
.cal-day-header {
  padding: .4rem .5rem; text-align: center; font-size: .8rem;
  border-left: 1px solid var(--border);
}
.cal-day-header.today { color: var(--accent2); font-weight: 700; }
.cal-time-col { width: 48px; }
.cal-body {
  display: grid;
  grid-template-columns: 48px repeat(var(--days), 1fr);
  position: relative;
}
.cal-time-label {
  grid-column: 1; font-size: .85rem; color: var(--text-dim);
  text-align: right; padding-right: 6px; height: 48px;
  display: flex; align-items: flex-start; padding-top: 2px;
}
.cal-cell {
  border-left: 1px solid var(--border);
  border-top: 1px solid rgba(255,255,255,.04);
  height: 48px;
}
.cal-cell.half-hour { border-top: 1px dashed rgba(255,255,255,.06); }
.cal-events-layer {
  position: absolute; top: 0; left: 48px; right: 0; bottom: 0;
  pointer-events: none;
}
.cal-event {
  position: absolute;
  border-radius: 5px; padding: 4px 8px;
  font-size: .85rem; line-height: 1.3;
  overflow: hidden; cursor: pointer;
  pointer-events: all;
  border-left: 3px solid transparent;
  box-shadow: var(--shadow);
}
.cal-event.type-working { background: rgba(79,70,229,.45); border-color: var(--accent); color: #c7d2fe; }
.cal-event.type-goto    { background: rgba(245,158,11,.3); border-color: var(--amber); color: #fde68a; }
.cal-event.type-other   { background: rgba(100,116,139,.35); border-color: var(--text-dim); color: var(--text); }
.cal-now-line {
  position: absolute; left: 0; right: 0; height: 2px;
  background: var(--red); z-index: 5;
}
.cal-now-line::before {
  content: ''; position: absolute; left: -4px; top: -4px;
  width: 10px; height: 10px; border-radius: 50%; background: var(--red);
}

/* ── Settings ── */
.settings-section { max-width: 640px; margin-bottom: 2rem; }
.settings-section h3 { font-size: 1.1rem; font-weight: 600; color: var(--accent2); margin-bottom: .75rem; padding-bottom: .4rem; border-bottom: 1px solid var(--border); }
#caldavStatus { font-size: .8rem; color: var(--text-dim); }
#caldavStatus.ok    { color: var(--green); }
#caldavStatus.error { color: var(--red); }

/* ── Location list ── */
.location-list { display: flex; flex-direction: column; gap: .4rem; margin-bottom: .75rem; }
.location-item {
  display: flex; align-items: center; gap: .5rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: .5rem .75rem; font-size: .85rem;
}
.location-item .loc-name { font-weight: 600; flex: 1; }
.location-item .loc-coords { font-size: .75rem; color: var(--text-dim); }

/* ── Travel matrix ── */
.travel-matrix table { width: 100%; border-collapse: collapse; font-size: .82rem; }
.travel-matrix th, .travel-matrix td { padding: .4rem .6rem; border: 1px solid var(--border); text-align: center; }
.travel-matrix th { background: var(--bg3); color: var(--text-dim); }
.travel-matrix input[type=number] { width: 60px; padding: .2rem .3rem; text-align: center; }

/* ── Modal ── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.6);
  display: flex; align-items: center; justify-content: center; z-index: 500;
}
.modal {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem; min-width: 300px; max-width: 95vw;
  box-shadow: var(--shadow);
}
.modal h3 { margin-bottom: .4rem; }
.modal-subtitle { color: var(--text-dim); font-size: .85rem; margin-bottom: 1rem; }

/* ── Auth overlay ── */
.auth-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
}
.auth-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  width: 100%; max-width: 380px;
  box-shadow: var(--shadow);
}
.auth-logo { font-size: 1.4rem; font-weight: 700; color: var(--accent2); text-align: center; margin-bottom: 1.25rem; }
.auth-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 1rem; }
.auth-error { color: var(--red); font-size: .85rem; min-height: 1.2em; margin-bottom: .5rem; }
.auth-switch { font-size: .85rem; color: var(--text-dim); margin-top: .75rem; text-align: center; }
.auth-switch a { color: var(--accent2); text-decoration: none; }
.auth-switch a:hover { text-decoration: underline; }
.btn-full { width: 100%; justify-content: center; }
.hint-inline { font-size: .78rem; color: var(--text-dim); font-weight: 400; }

/* ── Animations ── */
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }