/* Radar — hoja de estilos única. Sin frameworks, sin build. */

:root {
  --bg:        #f6f7f9;
  --surface:   #ffffff;
  --surface-2: #f1f3f6;
  --border:    #e2e6ec;
  --text:      #111827;
  --muted:     #6b7280;
  --faint:     #9ca3af;
  --accent:    #2563eb;
  --accent-dk: #1d4ed8;
  --danger:    #dc2626;
  --danger-solid: #dc2626;
  --danger-bg: #fef2f2;
  --warn:      #b45309;
  --ok:        #059669;
  --shadow:    0 1px 2px rgba(16,24,40,.06), 0 8px 24px rgba(16,24,40,.06);
  --radius:    12px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #0f1115;
    --surface:   #171a21;
    --surface-2: #1f232c;
    --border:    #2a2f3a;
    --text:      #e8eaed;
    --muted:     #98a1b0;
    --faint:     #6b7480;
    --accent:    #4f86f7;
    --accent-dk: #3b73e8;
    --danger:    #f87171;
    --danger-solid: #b91c1c;
    --danger-bg: #2a1a1c;
    --warn:      #fbbf24;
    --ok:        #34d399;
    --shadow:    0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

button, input, select, textarea { font: inherit; color: inherit; }
[hidden] { display: none !important; }

/* ───────────────────────────────────────────────── Acceso ───────── */

.gate {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px 16px;
}
.gate-card {
  width: 100%;
  max-width: 340px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 32px 26px 26px;
  text-align: center;
}
.gate-logo { font-size: 36px; line-height: 1; }
.gate-card h1 { margin: 10px 0 2px; font-size: 26px; letter-spacing: -.02em; }
.gate-sub { margin: 0 0 20px; color: var(--muted); font-size: 14px; }
.gate-card input {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-2);
  text-align: center;
  letter-spacing: .06em;
  margin-bottom: 12px;
}
.gate-card input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.gate-error {
  margin: 14px 0 0;
  color: var(--danger);
  font-size: 13px;
}

/* ───────────────────────────────────────────────── Cabecera ─────── */

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.area-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: 0;
  padding: 6px 8px;
  margin-left: -8px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 650;
  font-size: 16px;
  letter-spacing: -.01em;
}
.area-switch:hover { background: var(--surface-2); }
.area-switch .caret { color: var(--faint); font-size: 11px; }
.dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
}
.topbar-actions { margin-left: auto; }

.tabs {
  order: 3;
  width: 100%;
  display: flex;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tabs button {
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 7px 10px;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
  font-size: 14px;
}
.tabs button:hover { color: var(--text); }
.tabs button.active {
  color: var(--text);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

@media (min-width: 700px) {
  .tabs { order: 0; width: auto; margin-left: 10px; }
}

/* ───────────────────────────────────────────────── Vistas ───────── */

.view {
  max-width: 880px;
  margin: 0 auto;
  padding: 18px 16px 96px;
}

.group-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 26px 2px 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: default;
}
.group-head:first-child { margin-top: 4px; }
.group-head .count { color: var(--faint); font-weight: 600; letter-spacing: 0; }
.group-head.overdue { color: var(--danger); }
.group-head.collapsible { cursor: pointer; }

.card-list {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

/* ─── Fila de tarea ─── */

.task {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background .12s;
}
.task:last-child { border-bottom: 0; }
.task:hover { background: var(--surface-2); }
.task.is-overdue { background: linear-gradient(90deg, var(--danger-bg), transparent 55%); }
.task.is-done .task-title { color: var(--faint); text-decoration: line-through; }
.task.leaving { opacity: 0; transform: translateX(14px); transition: .18s ease; }

.check {
  flex: none;
  width: 19px; height: 19px;
  margin-top: 1px;
  border: 1.8px solid var(--faint);
  border-radius: 50%;
  background: none;
  cursor: pointer;
  display: grid;
  place-items: center;
  padding: 0;
  color: transparent;
  font-size: 11px;
  transition: .12s;
}
.check:hover { border-color: var(--ok); }
.task.is-done .check {
  background: var(--ok);
  border-color: var(--ok);
  color: #fff;
}

.task-body { flex: 1; min-width: 0; }
.task-title {
  display: block;
  word-break: break-word;
}
.task-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin-top: 3px;
  font-size: 12.5px;
  color: var(--muted);
}
.task-meta .who { color: var(--text); font-weight: 550; }
.task-meta .due.overdue { color: var(--danger); font-weight: 600; }
.task-meta .due.soon { color: var(--warn); font-weight: 600; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--muted);
}
.chip .dot { width: 7px; height: 7px; }

.star {
  flex: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0 2px;
  font-size: 14px;
  color: var(--border);
  line-height: 1.4;
}
.star.on { color: #f59e0b; }
.star:hover { color: #f59e0b; }

/* ─── Proyectos ─── */

.projects-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
  cursor: pointer;
  border-top: 3px solid var(--accent);
  transition: transform .12s, box-shadow .12s;
}
.project-card:hover { transform: translateY(-1px); }
.project-card h3 { margin: 0 0 4px; font-size: 15.5px; letter-spacing: -.01em; }
.project-card .sub { color: var(--muted); font-size: 12.5px; }
.bar {
  height: 6px;
  background: var(--surface-2);
  border-radius: 99px;
  overflow: hidden;
  margin: 12px 0 6px;
}
.bar > span { display: block; height: 100%; background: var(--accent); border-radius: 99px; }

/* ─── Personas ─── */

.person-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}
.person-row:last-child { border-bottom: 0; }
.avatar {
  flex: none;
  width: 34px; height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--surface-2);
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}
.person-row .grow { flex: 1; min-width: 0; }
.person-row .name { font-weight: 600; }
.person-row .sub { color: var(--muted); font-size: 12.5px; }
.pill {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 99px;
  background: var(--surface-2);
  color: var(--muted);
  white-space: nowrap;
}
.pill.alert { background: var(--danger-bg); color: var(--danger); font-weight: 600; }

/* ─── Bloques de ajustes ─── */

.block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  margin-bottom: 14px;
}
.block.danger { border-color: color-mix(in srgb, var(--danger) 40%, var(--border)); }
.block.danger h2 { color: var(--danger); }
.block h2 { margin: 0 0 4px; font-size: 15px; }
.block p { margin: 0 0 12px; color: var(--muted); font-size: 13px; }
.code-box {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  display: inline-block;
  letter-spacing: .05em;
}

.empty {
  text-align: center;
  padding: 48px 20px;
  color: var(--muted);
}
.empty .big { font-size: 34px; }
.empty h3 { margin: 10px 0 4px; color: var(--text); font-size: 16px; }
.empty p { margin: 0; font-size: 13.5px; }

/* ───────────────────────────────────────────────── Controles ────── */

.btn {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 9px;
  padding: 7px 13px;
  cursor: pointer;
  font-size: 14px;
  white-space: nowrap;
  transition: .12s;
}
.btn:hover { background: var(--surface-2); }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
.btn-primary:hover { background: var(--accent-dk); }
.btn-danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, var(--border)); }
.btn-danger:hover { background: var(--danger-bg); border-color: var(--danger); }

/* Solo para el paso final de una acción destructiva, nunca para abrirla. */
.btn-danger-solid {
  background: var(--danger-solid);
  border-color: var(--danger-solid);
  color: #fff;
  font-weight: 600;
}
.btn-danger-solid:hover { background: var(--danger-solid); filter: brightness(1.08); }
.btn-danger-solid:disabled { opacity: .4; cursor: not-allowed; filter: none; }
.btn-ghost { border-color: transparent; background: none; color: var(--muted); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-block { width: 100%; padding: 10px; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }

.toolbar {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 4px;
}
.toolbar .spacer { flex: 1; }

.seg {
  display: inline-flex;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 2px;
}
.seg button {
  border: 0;
  background: none;
  padding: 5px 11px;
  border-radius: 7px;
  cursor: pointer;
  font-size: 13px;
  color: var(--muted);
}
.seg button.active {
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(0,0,0,.08);
}

/* ─── Campos de formulario ─── */

.field { margin-bottom: 12px; }
.field label {
  display: block;
  font-size: 12px;
  font-weight: 650;
  color: var(--muted);
  margin-bottom: 5px;
}
.field input, .field select {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface-2);
}
.field input:focus, .field select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.field-row { display: flex; gap: 10px; }
.field-row .field { flex: 1; }

.quick-dates { display: flex; gap: 6px; margin-top: 7px; flex-wrap: wrap; }
.quick-dates button {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 99px;
  padding: 3px 10px;
  font-size: 12px;
  cursor: pointer;
  color: var(--muted);
}
.quick-dates button:hover { border-color: var(--accent); color: var(--accent); }

/* ───────────────────────────────────────────────── Diálogo ──────── */

.overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(15,23,42,.42);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
  animation: fade .15s ease;
}
@media (min-width: 640px) {
  .overlay { align-items: center; padding: 24px; }
}
.sheet {
  width: 100%;
  max-width: 440px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px 16px 0 0;
  box-shadow: var(--shadow);
  padding: 20px;
  max-height: 92vh;
  overflow-y: auto;
  animation: rise .18s ease;
}
@media (min-width: 640px) { .sheet { border-radius: 16px; } }
.sheet h2 { margin: 0 0 16px; font-size: 17px; letter-spacing: -.01em; }
.sheet-foot {
  display: flex;
  gap: 8px;
  margin-top: 18px;
}
.sheet-foot .spacer { flex: 1; }
.sheet-foot.separated { border-top: 1px solid var(--border); padding-top: 14px; }

@keyframes fade { from { opacity: 0 } }
@keyframes rise { from { transform: translateY(14px); opacity: .4 } }

/* ─── Menú desplegable ─── */

.menu {
  position: fixed;
  z-index: 70;
  min-width: 210px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 11px;
  box-shadow: var(--shadow);
  padding: 5px;
  animation: fade .12s ease;
}
.menu button {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  text-align: left;
  border: 0;
  background: none;
  padding: 8px 10px;
  border-radius: 7px;
  cursor: pointer;
  font-size: 14px;
}
.menu button:hover { background: var(--surface-2); }
.menu .sep { height: 1px; background: var(--border); margin: 5px 2px; }
.menu .label {
  padding: 6px 10px 3px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--faint);
}

/* ─── Botón flotante y aviso ─── */

.fab-wrap { position: fixed; right: 18px; bottom: 18px; z-index: 30; }
.fab {
  width: 54px; height: 54px;
  border-radius: 50%;
  border: 0;
  background: var(--accent);
  color: #fff;
  font-size: 27px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(37,99,235,.38);
}
.fab:hover { background: var(--accent-dk); }
@media (min-width: 700px) { .fab-wrap { display: none; } }
@media (max-width: 699px) { .topbar-actions { display: none; } }

.toast {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  z-index: 90;
  background: #111827;
  color: #fff;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 13.5px;
  box-shadow: var(--shadow);
  animation: rise .18s ease;
  max-width: calc(100vw - 32px);
}
.toast.err { background: var(--danger); }