:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-2: #f9fafb;
  --border: #dfe3e8;
  --border-strong: #c5cbd3;
  --text: #15181e;
  --muted: #5b6472;
  --accent: #2b55d9;
  --accent-hover: #2247bd;
  --accent-soft: #e9eefd;
  --on-accent: #ffffff;
  --danger: #b8322a;
  --ring: rgba(43, 85, 217, 0.32);
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.05);

  --neutral-bg: #eef0f3; --neutral-fg: #4b5361;
  --blue-bg: #e5ecfd;    --blue-fg: #2346b8;
  --green-bg: #e1f4e8;   --green-fg: #1b7240;
  --red-bg: #fbe7e5;     --red-fg: #a3302a;
  --amber-bg: #fcf0d9;   --amber-fg: #865708;
  --violet-bg: #efe8fc;  --violet-fg: #5b37b0;

  --radius: 12px;
  --radius-sm: 8px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --surface: #171a20;
    --surface-2: #1d2128;
    --border: #2a2f38;
    --border-strong: #3a414d;
    --text: #e8eaee;
    --muted: #9aa3b2;
    --accent: #7391ff;
    --accent-hover: #8ba4ff;
    --accent-soft: #1e2744;
    --on-accent: #0b0f1a;
    --danger: #f07a70;
    --ring: rgba(115, 145, 255, 0.4);
    --shadow: none;

    --neutral-bg: #252a33; --neutral-fg: #c3c9d4;
    --blue-bg: #1d2a4d;    --blue-fg: #a9bdff;
    --green-bg: #15321f;   --green-fg: #8fd8a8;
    --red-bg: #3a1a18;     --red-fg: #f4a59d;
    --amber-bg: #372a12;   --amber-fg: #f0c674;
    --violet-bg: #2a2042;  --violet-fg: #c7b3ff;
  }
}

* { box-sizing: border-box; }

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

/* ---------- Barra superior y pestañas ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 0;
  font-weight: 650;
}
.brand-mark {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: var(--on-accent);
  font-size: 14px;
  font-weight: 700;
}
.tabs {
  display: flex;
  gap: 4px;
  margin-left: auto;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs [role="tab"] {
  appearance: none;
  border: 0;
  border-bottom: 2px solid transparent;
  background: none;
  color: var(--muted);
  font: inherit;
  font-weight: 550;
  padding: 16px 12px 14px;
  white-space: nowrap;
  cursor: pointer;
  transition: color .15s, border-color .15s;
}
.tabs [role="tab"]:hover { color: var(--text); }
.tabs [role="tab"][aria-selected="true"] {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.tabs [role="tab"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -6px;
  border-radius: 8px;
}

/* ---------- Layout ---------- */
.container {
  max-width: 920px;
  margin: 0 auto;
  padding: 24px 16px 72px;
}
.panel { display: grid; gap: 20px; }
.panel[hidden] { display: none; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}
.card-head { margin-bottom: 20px; }
.card-head h1 {
  margin: 0 0 4px;
  font-size: 22px;
  line-height: 1.25;
  font-weight: 650;
  letter-spacing: -0.01em;
}
.card-head p { margin: 0; color: var(--muted); }

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px;
}
.full { grid-column: 1 / -1; }

/* ---------- Campos ---------- */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.field > label,
.field > legend {
  font-size: 13px;
  font-weight: 600;
}
.req { color: var(--danger); }

input:not([type="checkbox"]):not([type="radio"]),
select,
textarea {
  width: 100%;
  min-height: 40px;
  padding: 9px 12px;
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  transition: border-color .15s, box-shadow .15s;
}
textarea { resize: vertical; min-height: 84px; }
input::placeholder,
textarea::placeholder { color: var(--muted); opacity: .8; }
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--ring);
}
input:user-invalid,
select:user-invalid,
textarea:user-invalid { border-color: var(--danger); }

fieldset.field { border: 0; margin: 0; padding: 0; }
fieldset.field > legend { padding: 0; margin-bottom: 8px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-size: 14px;
  cursor: pointer;
  user-select: none;
  transition: background .15s, border-color .15s, color .15s;
}
.chip:hover { background: var(--surface-2); }
.chip:has(input:checked) {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}
.chip:has(input:focus-visible) { box-shadow: 0 0 0 3px var(--ring); }
.chip input { margin: 0; accent-color: var(--accent); }

/* ---------- Botones ---------- */
.actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.btn {
  min-height: 40px;
  padding: 9px 16px;
  font: inherit;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background .15s, border-color .15s, transform .1s;
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--ring); }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover { background: var(--surface-2); }

.notice {
  margin: 0 0 18px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--amber-bg);
  color: var(--amber-fg);
  font-size: 14px;
}
.link {
  appearance: none;
  border: 0;
  background: none;
  padding: 0;
  font: inherit;
  font-weight: 600;
  color: inherit;
  text-decoration: underline;
  cursor: pointer;
}

/* ---------- Listados ---------- */
.list-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 650;
}
.count {
  padding: 1px 8px;
  border-radius: 999px;
  background: var(--neutral-bg);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.list { display: flex; flex-direction: column; }
.row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
}
.row:first-child { border-top: 0; padding-top: 4px; }
.row-body { flex: 1; min-width: 0; }
.row-title {
  display: block;
  margin: 0;
  font-weight: 600;
  color: var(--text);
  overflow-wrap: anywhere;
}
a.row-title { text-decoration: none; }
a.row-title:hover { color: var(--accent); text-decoration: underline; }
.row-meta {
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--muted);
  overflow-wrap: anywhere;
}
.empty { margin: 0; padding: 8px 0; font-size: 14px; color: var(--muted); }

.badge {
  flex: none;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: var(--neutral-bg);
  color: var(--neutral-fg);
}
.badge-pendiente  { background: var(--amber-bg);  color: var(--amber-fg); }
.badge-programado { background: var(--blue-bg);   color: var(--blue-fg); }
.badge-en-vivo    { background: var(--green-bg);  color: var(--green-fg); }
.badge-finalizado { background: var(--violet-bg); color: var(--violet-fg); }
.badge-cancelado  { background: var(--red-bg);    color: var(--red-fg); }

.btn-delete {
  flex: none;
  padding: 6px 10px;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  background: none;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
  transition: color .15s, background .15s;
}
.btn-delete:hover { color: var(--red-fg); background: var(--red-bg); }
.btn-delete:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--ring); }

/* ---------- Aviso flotante ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  max-width: calc(100vw - 32px);
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--text);
  color: var(--bg);
  font-size: 14px;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity .2s, transform .2s;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
  .card { padding: 18px; }
}
@media (max-width: 520px) {
  .tab-prefix { display: none; }
  .brand { padding-bottom: 2px; }
  .tabs { margin-left: -12px; width: calc(100% + 12px); }
  .row { flex-wrap: wrap; }
  .row-body { flex-basis: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}