/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--nk-canvas);
  color: var(--nk-text);
  font-family: var(--nk-font);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--nk-green); text-underline-offset: 3px; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: none; box-shadow: var(--nk-focus); border-radius: var(--nk-radius-sm); }
h1, h2, h3, h4 { color: var(--nk-text-strong); margin: 0; line-height: 1.2; }
h1 { font-size: clamp(1.75rem, 3vw, 2.25rem); font-weight: 700; letter-spacing: -0.025em; }
h2 { font-size: 1.25rem; font-weight: 650; letter-spacing: -0.012em; }
h3 { font-size: 1rem; font-weight: 650; letter-spacing: -0.005em; }
p { margin: 0; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--nk-text-muted); }
.small { font-size: 13px; }
.eyebrow {
  font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--nk-text-muted);
}
.eyebrow.clinical { color: var(--nk-clinical-text); }
.eyebrow.training { color: var(--nk-green); }
.icon {
  font-family: "Material Symbols Outlined";
  font-weight: normal; font-style: normal; font-size: 20px; line-height: 1;
  display: inline-block; white-space: nowrap; direction: ltr;
  font-feature-settings: "liga"; -webkit-font-feature-settings: "liga";
  font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
  flex: none; user-select: none; text-transform: none; letter-spacing: normal;
}
.icon.fill { font-variation-settings: "FILL" 1, "wght" 400, "GRAD" 0, "opsz" 24; }
.stack { display: flex; flex-direction: column; gap: 1rem; }
.stack-sm { display: flex; flex-direction: column; gap: 0.5rem; }
.row { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.grow { flex: 1; min-width: 0; }
.grid { display: grid; gap: var(--nk-gutter); }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); }
.grid.main-side { grid-template-columns: minmax(0, 1fr) minmax(280px, 360px); align-items: start; }
@media (max-width: 1023px) { .grid.main-side { grid-template-columns: 1fr; } }

/* ---------- Shell ---------- */
.shell { min-height: 100dvh; display: grid; grid-template-columns: var(--nk-rail) minmax(0, 1fr); }
.rail {
  position: sticky; top: 0; height: 100dvh; overflow-y: auto;
  background: var(--nk-shell); color: var(--nk-text-inverse);
  display: flex; flex-direction: column; padding: 1.5rem 1rem 1rem;
}
.rail-brand { padding: 0 0.5rem 1.25rem; border-bottom: 1px solid var(--nk-shell-line); margin-bottom: 1rem; }
.rail-brand img { width: 168px; height: auto; }
.powered {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 10px;
  font-size: 10.5px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--nk-text-inverse-muted);
}
.powered b { color: var(--nk-bronze); font-weight: 700; letter-spacing: 0.16em; }
.powered.on-light { color: var(--nk-text-muted); }
.powered.on-light b { color: var(--nk-bronze-strong); }
.nav-section { margin: 1rem 0 0.25rem; padding: 0 0.75rem; font-size: 10.5px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--nk-text-inverse-muted); }
.nav-link {
  display: flex; align-items: center; gap: 0.75rem; min-height: 44px;
  padding: 0.5rem 0.75rem; border-radius: var(--nk-radius);
  color: var(--nk-text-inverse); text-decoration: none; font-size: 14px; font-weight: 500;
  transition: background 0.15s var(--nk-ease);
}
.nav-link .icon { color: var(--nk-text-inverse-muted); }
.nav-link:hover { background: var(--nk-shell-2); }
.nav-link[aria-current="page"] { background: var(--nk-green); }
.nav-link[aria-current="page"] .icon { color: var(--nk-ivory); }
.nav-badge { margin-left: auto; min-width: 20px; height: 20px; padding: 0 6px; border-radius: 999px; background: var(--nk-bronze); color: var(--nk-black); font-size: 11px; font-weight: 700; display: grid; place-items: center; }
.rail-user { margin-top: auto; padding: 0.75rem; border-radius: var(--nk-radius-md); background: var(--nk-shell-2); display: flex; align-items: center; gap: 0.75rem; }
.rail-user .name { font-size: 13px; font-weight: 600; line-height: 1.3; }
.rail-user .role { font-size: 11px; color: var(--nk-bronze); font-weight: 600; letter-spacing: 0.04em; }
.avatar {
  width: 36px; height: 36px; border-radius: 50%; flex: none; display: grid; place-items: center;
  background: var(--nk-green-tint); color: var(--nk-green); font-weight: 700; font-size: 13px;
}
.rail .avatar { background: rgba(176, 134, 91, 0.18); color: var(--nk-bronze); }
.icon-btn {
  width: 40px; height: 40px; border-radius: var(--nk-radius); border: 0; background: transparent;
  display: grid; place-items: center; cursor: pointer; color: inherit;
}
.icon-btn:hover { background: rgba(5, 5, 5, 0.06); }
.rail .icon-btn:hover { background: var(--nk-shell); }

.scrim { display: none; }
.main { min-width: 0; display: flex; flex-direction: column; }
.topbar {
  position: sticky; top: 0; z-index: 20; height: 60px;
  display: flex; align-items: center; gap: 0.75rem; padding: 0 var(--nk-margin);
  background: rgba(243, 240, 233, 0.86); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--nk-border);
}
.crumbs { font-size: 13px; color: var(--nk-text-muted); display: flex; gap: 6px; align-items: center; min-width: 0; }
.crumbs strong { color: var(--nk-text-strong); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar .mobile-brand, .topbar .menu-btn { display: none; }
.bell { position: relative; }
.bell .dot { position: absolute; top: 8px; right: 9px; width: 8px; height: 8px; border-radius: 50%; background: var(--nk-bronze); border: 2px solid var(--nk-canvas); }
.content { padding: 2rem var(--nk-margin) 4rem; width: 100%; max-width: 1360px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.75rem; }
.page-head .lead { margin-top: 6px; color: var(--nk-text-muted); }

.bottom-nav { display: none; }
@media (max-width: 1023px) {
  .shell { grid-template-columns: 1fr; }
  .rail {
    position: fixed; inset: 0 auto 0 0; width: min(86vw, 300px); z-index: 60;
    transform: translateX(-100%); transition: transform 0.28s var(--nk-ease);
  }
  .shell.nav-open .rail { transform: none; box-shadow: var(--nk-shadow-modal); }
  .scrim { display: block; position: fixed; inset: 0; background: rgba(5, 5, 5, 0.4); z-index: 55; opacity: 0; pointer-events: none; transition: opacity 0.2s; }
  .shell.nav-open .scrim { opacity: 1; pointer-events: auto; }
  .topbar { padding: 0 var(--nk-margin); }
  .topbar .menu-btn { display: grid; }
  .topbar .mobile-brand { display: block; height: 22px; width: auto; }
  .topbar .crumbs { display: none; }
  .content { padding: 1.25rem var(--nk-margin) 6rem; }
  .shell.member .bottom-nav {
    display: grid; grid-auto-flow: column; grid-auto-columns: 1fr;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
    background: var(--nk-surface); border-top: 1px solid var(--nk-border);
    padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
  }
  .shell.member .topbar .menu-btn { display: none; }
}
.bottom-nav a {
  display: flex; flex-direction: column; align-items: center; gap: 2px; min-height: 52px; justify-content: center;
  color: var(--nk-text-muted); text-decoration: none; font-size: 11px; font-weight: 600; border-radius: var(--nk-radius);
}
.bottom-nav a[aria-current="page"] { color: var(--nk-green); }
.bottom-nav a[aria-current="page"] .icon { font-variation-settings: "FILL" 1, "wght" 500, "GRAD" 0, "opsz" 24; }

/* ---------- Superficies ---------- */
.card { background: var(--nk-surface); border: 1px solid var(--nk-border); border-radius: var(--nk-radius-lg); padding: 1.5rem; }
.card.tight { padding: 1rem 1.25rem; }
.card.flush { padding: 0; overflow: hidden; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; margin-bottom: 1rem; }
.card-head h2, .card-head h3 { display: flex; align-items: center; gap: 0.5rem; }
.card.clinical { border-left: 3px solid var(--nk-clinical); box-shadow: inset 0 0 0 9999px rgba(176, 134, 91, 0.035); }
.card.dark { background: var(--nk-shell); color: var(--nk-text-inverse); border-color: var(--nk-shell); }
.card.dark h1, .card.dark h2, .card.dark h3 { color: var(--nk-ivory); }
.divider { height: 1px; background: var(--nk-divider); border: 0; margin: 1rem 0; }
.section-gap { margin-top: 2.5rem; }

.stat { background: var(--nk-surface); border: 1px solid var(--nk-border); border-radius: var(--nk-radius-lg); padding: 1.1rem 1.25rem; display: flex; flex-direction: column; gap: 6px; min-height: 112px; }
.stat .value { font-size: 2rem; font-weight: 700; letter-spacing: -0.03em; color: var(--nk-text-strong); line-height: 1.05; font-variant-numeric: tabular-nums; }
.stat .hint { font-size: 12.5px; color: var(--nk-text-muted); }
.stat.attention { border-color: var(--nk-warning); box-shadow: inset 3px 0 0 var(--nk-warning); }
.stat.clinical { box-shadow: inset 3px 0 0 var(--nk-clinical); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  min-height: 44px; padding: 0 1.25rem; border-radius: var(--nk-radius); border: 1px solid transparent;
  font-size: 14px; font-weight: 650; letter-spacing: -0.005em; text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background 0.15s var(--nk-ease), border-color 0.15s, transform 0.08s;
}
.btn:active:not(:disabled) { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.primary { background: var(--nk-green); color: #fff; }
.btn.primary:hover:not(:disabled) { background: var(--nk-green-strong); }
.btn.clinical { background: var(--nk-bronze); color: var(--nk-black); }
.btn.clinical:hover:not(:disabled) { background: var(--nk-bronze-hover); color: #fff; }
.btn.secondary { background: transparent; border-color: var(--nk-border-strong); color: var(--nk-text-strong); }
.btn.secondary:hover:not(:disabled) { background: var(--nk-surface); border-color: var(--nk-text-strong); }
.btn.ghost { background: transparent; color: var(--nk-text-strong); padding: 0 0.75rem; }
.btn.ghost:hover:not(:disabled) { background: rgba(5, 5, 5, 0.05); }
.btn.danger { background: var(--nk-danger); color: #fff; }
.btn.small { min-height: 36px; padding: 0 0.85rem; font-size: 13px; }
.btn.block { width: 100%; }
.btn.lg { min-height: 56px; font-size: 16px; border-radius: var(--nk-radius-md); }
@media (max-width: 767px) { .btn { min-height: var(--nk-touch); } .btn.small { min-height: 40px; } }
.btn .spinner { width: 16px; height: 16px; border-width: 2px; }

/* ---------- Badges y chips ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 4px; height: 24px; padding: 0 10px; border-radius: 999px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; white-space: nowrap;
  border: 1px solid var(--nk-border); background: var(--nk-surface-2); color: var(--nk-text-muted);
}
.badge .icon { font-size: 14px; }
.badge.training { background: var(--nk-green-tint); border-color: var(--nk-green-line); color: var(--nk-green); }
.badge.clinical { background: var(--nk-clinical-tint); border-color: var(--nk-clinical-line); color: var(--nk-clinical-text); }
.badge.success { background: var(--nk-success-tint); border-color: transparent; color: var(--nk-success); }
.badge.warning { background: var(--nk-warning-tint); border-color: transparent; color: var(--nk-warning-text); }
.badge.danger { background: var(--nk-danger-tint); border-color: rgba(168, 50, 50, 0.2); color: var(--nk-danger); }
.badge.dark { background: var(--nk-text-strong); border-color: var(--nk-text-strong); color: var(--nk-ivory); }
.chips { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.chip {
  height: 36px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--nk-border); background: var(--nk-surface);
  color: var(--nk-text-muted); font-size: 13px; font-weight: 600; cursor: pointer; display: inline-flex; align-items: center; gap: 6px;
}
.chip[aria-pressed="true"] { background: var(--nk-text-strong); border-color: var(--nk-text-strong); color: var(--nk-ivory); }

/* ---------- Formularios ---------- */
.field { display: flex; flex-direction: column; gap: 6px; }
.field > span, .field > label { font-size: 12px; font-weight: 650; letter-spacing: 0.04em; text-transform: uppercase; color: var(--nk-text-strong); }
.field .help { font-size: 12.5px; color: var(--nk-text-muted); text-transform: none; letter-spacing: 0; font-weight: 400; }
.input, select.input, textarea.input {
  width: 100%; min-height: 44px; padding: 0.6rem 0.85rem; border-radius: var(--nk-radius);
  border: 1px solid var(--nk-border); background: var(--nk-surface); color: var(--nk-text-strong); font-size: 15px;
  transition: border-color 0.15s;
}
textarea.input { min-height: 92px; resize: vertical; line-height: 1.5; }
.input::placeholder { color: var(--nk-text-muted); }
.input:focus { outline: none; border-color: var(--nk-green); box-shadow: 0 0 0 1px var(--nk-green); }
.input[aria-invalid="true"] { border-color: var(--nk-danger); }
.input-wrap { position: relative; }
.input-wrap .icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--nk-text-muted); pointer-events: none; }
.input-wrap .input { padding-left: 2.6rem; }
.input-wrap .reveal { position: absolute; right: 4px; top: 50%; transform: translateY(-50%); }
.form-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }
.check { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 14px; cursor: pointer; }
.check input { width: 20px; height: 20px; margin: 1px 0 0; accent-color: var(--nk-green); flex: none; }
.check.clinical input { accent-color: var(--nk-bronze); }
.form-error { color: var(--nk-danger); font-size: 13.5px; font-weight: 500; display: flex; gap: 6px; align-items: flex-start; }
.days { display: flex; gap: 6px; flex-wrap: wrap; }
.day-toggle {
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--nk-border); background: var(--nk-surface);
  font-weight: 700; font-size: 13px; cursor: pointer; color: var(--nk-text-muted);
}
.day-toggle[aria-pressed="true"] { background: var(--nk-green); border-color: var(--nk-green); color: #fff; }

/* ---------- Listas y tablas ---------- */
.list { display: flex; flex-direction: column; }
.list-item { display: flex; align-items: center; gap: 0.9rem; padding: 0.9rem 1.25rem; border-top: 1px solid var(--nk-divider); text-decoration: none; color: inherit; min-height: 64px; }
.list-item:first-child { border-top: 0; }
a.list-item:hover, button.list-item:hover { background: var(--nk-surface-2); }
button.list-item { width: 100%; text-align: left; background: none; border-left: 0; border-right: 0; border-bottom: 0; cursor: pointer; }
.list-item .title { font-weight: 600; color: var(--nk-text-strong); }
.list-item .meta { font-size: 13px; color: var(--nk-text-muted); }
.table-wrap { overflow-x: auto; }
table.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { text-align: left; font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--nk-text-muted); padding: 0.75rem 1rem; border-bottom: 1px solid var(--nk-border); white-space: nowrap; }
.table td { padding: 0.8rem 1rem; border-bottom: 1px solid var(--nk-divider); vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }

/* ---------- Avisos ---------- */
.notice { display: flex; gap: 0.75rem; padding: 0.9rem 1rem; border-radius: var(--nk-radius-md); border: 1px solid var(--nk-border); background: var(--nk-surface); font-size: 14px; }
.notice .icon { margin-top: 1px; }
.notice.clinical { border-color: var(--nk-clinical-line); background: var(--nk-clinical-tint); border-left: 3px solid var(--nk-clinical); }
.notice.clinical .icon { color: var(--nk-clinical-text); }
.notice.warning { border-color: transparent; background: var(--nk-warning-tint); border-left: 3px solid var(--nk-warning); }
.notice.warning .icon { color: var(--nk-warning-text); }
.notice.danger { border-color: transparent; background: var(--nk-danger-tint); border-left: 3px solid var(--nk-danger); }
.notice.danger .icon { color: var(--nk-danger); }
.notice.info { background: var(--nk-info-tint); border-color: transparent; }
.empty { text-align: center; padding: 2.5rem 1rem; color: var(--nk-text-muted); display: flex; flex-direction: column; align-items: center; gap: 0.75rem; }
.empty .icon { font-size: 36px; color: var(--nk-border-strong); }

/* ---------- Progreso ---------- */
.progress { height: 8px; border-radius: 999px; background: var(--nk-surface-3); overflow: hidden; }
.progress > span { display: block; height: 100%; background: var(--nk-green); border-radius: inherit; transition: width 0.4s var(--nk-ease); }
.week { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.week .d { display: flex; flex-direction: column; align-items: center; gap: 6px; font-size: 11px; font-weight: 700; color: var(--nk-text-muted); letter-spacing: 0.04em; }
.week .bar { width: 100%; max-width: 40px; height: 56px; border-radius: 8px; background: var(--nk-surface-3); position: relative; }
.week .bar.completed { background: var(--nk-green); }
.week .bar.incomplete { background: repeating-linear-gradient(135deg, var(--nk-green) 0 6px, #3f7a5f 6px 12px); opacity: 0.7; }
.week .bar.in_progress { background: var(--nk-bronze); }
.week .bar.overdue { background: var(--nk-surface-3); box-shadow: inset 0 0 0 2px var(--nk-warning); }
.week .bar.blocked { background: var(--nk-clinical-tint); box-shadow: inset 0 0 0 2px var(--nk-clinical-line); }
.week .bar.scheduled { background: var(--nk-surface); box-shadow: inset 0 0 0 1px var(--nk-border-strong); }
.week .d.today { color: var(--nk-text-strong); }
.legend { display: flex; gap: 1rem; flex-wrap: wrap; font-size: 12px; color: var(--nk-text-muted); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }

/* ---------- Ejercicios ---------- */
.ex-row { display: flex; gap: 1rem; align-items: center; padding: 1rem 1.25rem; border-top: 1px solid var(--nk-divider); }
.ex-row:first-child { border-top: 0; }
.ex-num { width: 44px; height: 44px; border-radius: var(--nk-radius-md); background: var(--nk-green-tint); color: var(--nk-green); font-weight: 700; display: grid; place-items: center; flex: none; font-variant-numeric: tabular-nums; }
.ex-num.done { background: var(--nk-green); color: #fff; }
.ex-num.skipped { background: var(--nk-surface-3); color: var(--nk-text-muted); }
.ex-num.partial { background: var(--nk-warning-tint); color: var(--nk-warning-text); }
.ex-thumb { width: 56px; height: 56px; border-radius: var(--nk-radius); object-fit: cover; background: var(--nk-surface-3); flex: none; }
.metrics { display: flex; flex-wrap: wrap; gap: 0.25rem 1rem; font-size: 13px; color: var(--nk-text-muted); }
.metrics b { color: var(--nk-text-strong); font-weight: 650; }

/* ---------- Ejecución de sesión (móvil primero) ---------- */
.runner { max-width: 720px; margin: 0 auto; }
.runner-top { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; }
.runner-media { aspect-ratio: 16 / 10; border-radius: var(--nk-radius-lg); overflow: hidden; background: var(--nk-shell); display: grid; place-items: center; color: var(--nk-text-inverse-muted); }
.runner-media img, .runner-media iframe, .runner-media video { width: 100%; height: 100%; object-fit: cover; border: 0; }
.big-metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(96px, 1fr)); gap: 0.5rem; }
.big-metrics div { background: var(--nk-surface-2); border-radius: var(--nk-radius-md); padding: 0.75rem; text-align: center; }
.big-metrics b { display: block; font-size: 1.5rem; letter-spacing: -0.02em; color: var(--nk-text-strong); font-variant-numeric: tabular-nums; }
.big-metrics span { font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--nk-text-muted); }
.set-row { display: grid; grid-template-columns: 44px 1fr 1fr; gap: 0.5rem; align-items: center; }
.set-row .n { font-weight: 700; color: var(--nk-text-muted); text-align: center; }
.status-pick { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.5rem; }
.status-pick button { min-height: 52px; border-radius: var(--nk-radius-md); border: 1px solid var(--nk-border); background: var(--nk-surface); font-weight: 650; font-size: 13.5px; cursor: pointer; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; }
.status-pick button[aria-pressed="true"][data-value="done"] { background: var(--nk-green); border-color: var(--nk-green); color: #fff; }
.status-pick button[aria-pressed="true"][data-value="partial"] { background: var(--nk-warning-tint); border-color: var(--nk-warning); color: var(--nk-warning-text); }
.status-pick button[aria-pressed="true"][data-value="skipped"] { background: var(--nk-surface-3); border-color: var(--nk-text-muted); }
.sticky-actions { position: sticky; bottom: 0; padding: 0.75rem 0 calc(0.75rem + env(safe-area-inset-bottom)); background: linear-gradient(transparent, var(--nk-canvas) 30%); display: flex; gap: 0.5rem; }
@media (max-width: 1023px) { .shell.member .sticky-actions { bottom: 64px; } }
.rest-timer { font-size: 2.5rem; font-weight: 700; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; color: var(--nk-text-strong); }

/* ---------- Constructor de rutinas ---------- */
.builder-item { border: 1px solid var(--nk-border); border-radius: var(--nk-radius-md); background: var(--nk-surface); }
.builder-item header { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 0.9rem; border-bottom: 1px solid var(--nk-divider); }
.builder-item .body { padding: 0.9rem; display: grid; gap: 0.75rem; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); }
.builder-item .body .wide { grid-column: 1 / -1; }
.builder-item .input { min-height: 40px; font-size: 14px; }
.picker { max-height: 52vh; overflow-y: auto; border: 1px solid var(--nk-border); border-radius: var(--nk-radius-md); }

/* ---------- Modal y avisos flotantes ---------- */
.modal-backdrop { position: fixed; inset: 0; z-index: 80; background: rgba(5, 5, 5, 0.4); display: grid; place-items: center; padding: 1rem; animation: fade 0.18s var(--nk-ease); }
.modal { width: min(560px, 100%); max-height: calc(100dvh - 2rem); overflow-y: auto; background: var(--nk-surface); border-radius: var(--nk-radius-xl); box-shadow: var(--nk-shadow-modal); padding: 1.5rem; animation: rise 0.24s var(--nk-ease); }
.modal.wide { width: min(820px, 100%); }
.modal h2 { margin-bottom: 0.5rem; }
.modal-actions { display: flex; justify-content: flex-end; gap: 0.5rem; margin-top: 1.5rem; flex-wrap: wrap; }
@media (max-width: 767px) {
  .modal-backdrop { place-items: end stretch; padding: 0; }
  .modal { width: 100%; border-radius: var(--nk-radius-xl) var(--nk-radius-xl) 0 0; padding-bottom: calc(1.5rem + env(safe-area-inset-bottom)); }
  .modal-actions .btn { flex: 1; }
}
.toasts { position: fixed; right: 1rem; bottom: 1rem; z-index: 90; display: flex; flex-direction: column; gap: 0.5rem; max-width: min(420px, calc(100vw - 2rem)); }
@media (max-width: 1023px) { .toasts { left: 1rem; bottom: 5.5rem; } }
.toast { background: var(--nk-shell); color: var(--nk-ivory); padding: 0.85rem 1rem; border-radius: var(--nk-radius-md); box-shadow: var(--nk-shadow-modal); display: flex; gap: 0.6rem; align-items: flex-start; font-size: 14px; animation: rise 0.24s var(--nk-ease); }
.toast.error { background: var(--nk-danger); }
.toast .icon { color: var(--nk-bronze); }
.toast.error .icon { color: #fff; }
.secret-box { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 13px; background: var(--nk-surface-2); border: 1px dashed var(--nk-border-strong); border-radius: var(--nk-radius); padding: 0.75rem; word-break: break-all; user-select: all; }

/* ---------- Carga ---------- */
.spinner { width: 28px; height: 28px; border-radius: 50%; border: 3px solid var(--nk-border); border-top-color: var(--nk-green); animation: spin 0.8s linear infinite; }
.loading { display: grid; place-items: center; padding: 4rem 1rem; gap: 0.75rem; color: var(--nk-text-muted); }
.skeleton { background: linear-gradient(90deg, var(--nk-surface-3), var(--nk-surface-2), var(--nk-surface-3)); background-size: 200% 100%; animation: shimmer 1.4s infinite; border-radius: var(--nk-radius); }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes shimmer { to { background-position: -200% 0; } }
@keyframes fade { from { opacity: 0; } }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } }

/* ---------- Acceso ---------- */
.auth { min-height: 100dvh; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
.auth-brand {
  position: relative; overflow: hidden; background: var(--nk-black); color: var(--nk-ivory);
  padding: clamp(2rem, 5vw, 4rem); display: flex; flex-direction: column; justify-content: space-between; gap: 2rem;
}
.auth-brand .rings { position: absolute; right: -18%; top: 50%; width: 92%; transform: translateY(-50%); opacity: 0.16; pointer-events: none; }
.auth-brand .logo { width: min(340px, 70%); height: auto; position: relative; }
.auth-brand h1 { color: var(--nk-ivory); font-size: clamp(1.9rem, 3.4vw, 2.9rem); max-width: 15ch; position: relative; }
.auth-brand .lead { color: var(--nk-text-inverse-muted); max-width: 46ch; margin-top: 1rem; font-size: 16px; position: relative; }
.auth-values { display: flex; gap: 1.5rem; flex-wrap: wrap; position: relative; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--nk-text-inverse-muted); }
.auth-values span::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--nk-bronze); margin-right: 8px; vertical-align: 2px; }
.auth-panel { display: flex; flex-direction: column; justify-content: center; padding: clamp(1.5rem, 5vw, 4rem); background: var(--nk-canvas); }
.auth-form { width: min(420px, 100%); margin: 0 auto; display: flex; flex-direction: column; gap: 1.1rem; }
.auth-form h2 { font-size: 1.75rem; letter-spacing: -0.025em; }
.auth-foot { width: min(420px, 100%); margin: 2rem auto 0; font-size: 12.5px; color: var(--nk-text-muted); display: flex; gap: 0.5rem; }
@media (max-width: 899px) {
  .auth { grid-template-columns: 1fr; }
  .auth-brand { padding: 1.75rem var(--nk-margin) 2rem; min-height: auto; }
  .auth-brand h1, .auth-brand .lead, .auth-values { display: none; }
  .auth-brand .logo { width: 200px; }
  .auth-brand .rings { width: 70%; right: -22%; }
}

/* ---------- Animación de inicio ---------- */
.splash {
  position: fixed; inset: 0; z-index: 100; background: var(--nk-black); color: var(--nk-ivory);
  display: grid; place-items: center; overflow: hidden;
}
.splash-inner { position: relative; display: flex; flex-direction: column; align-items: center; gap: 1.5rem; padding: 1.5rem; text-align: center; }
.splash .rings { position: absolute; width: min(120vmin, 980px); left: 50%; top: 50%; transform: translate(-50%, -50%); pointer-events: none; }
.splash .rings ellipse, .splash .rings path { fill: none; stroke: var(--nk-ivory); stroke-width: 1; opacity: 0.14; }
.splash .rings .orbit-dot { fill: var(--nk-bronze); stroke: none; opacity: 0; }
.splash-logo { position: relative; width: min(460px, 78vw); }
.splash-logo img { width: 100%; height: auto; }
.splash-logo .sheen {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(105deg, transparent 35%, rgba(176, 134, 91, 0.55) 50%, transparent 65%);
  background-size: 260% 100%; background-position: 130% 0;
  -webkit-mask: url("/img/nikoi-logo-marfil.png") center / 100% 100% no-repeat; mask: url("/img/nikoi-logo-marfil.png") center / 100% 100% no-repeat;
  opacity: 0;
}
.splash-title { font-size: clamp(12px, 1.6vw, 14px); font-weight: 700; letter-spacing: 0.32em; text-transform: uppercase; color: var(--nk-ivory); }
.splash-title b { color: var(--nk-bronze); font-weight: 700; }
.splash-sub { font-size: 13px; color: var(--nk-text-inverse-muted); letter-spacing: 0.04em; }

/* Secuencia completa (~2,6 s) */
.splash.play { animation: splash-bg 0.5s ease-out both; }
.splash.play .rings ellipse, .splash.play .rings path { stroke-dasharray: 3200; stroke-dashoffset: 3200; animation: draw 1.6s var(--nk-ease) 0.1s forwards; }
.splash.play .rings ellipse:nth-of-type(2) { animation-delay: 0.18s; }
.splash.play .rings ellipse:nth-of-type(3) { animation-delay: 0.26s; }
.splash.play .rings ellipse:nth-of-type(4) { animation-delay: 0.34s; }
.splash.play .rings .orbit-dot { animation: dot-in 0.5s var(--nk-ease) 1.1s forwards; }
.splash.play .splash-logo { animation: logo-in 0.9s var(--nk-ease) 0.25s both; }
.splash.play .splash-logo .sheen { animation: sheen 1s ease-in-out 1s both; }
.splash.play .splash-title { animation: text-in 0.6s var(--nk-ease) 1.15s both; }
.splash.play .splash-sub { animation: text-in 0.6s var(--nk-ease) 1.4s both; }
.splash.out { animation: splash-out 0.55s var(--nk-ease) forwards; }
/* Versión breve: usuario con sesión, movimiento reducido o equipo de bajo rendimiento */
.splash.brief .rings { display: none; }
.splash.brief .splash-logo { animation: fade 0.35s ease-out both; }
.splash.brief .splash-title, .splash.brief .splash-sub { animation: fade 0.35s ease-out 0.1s both; }
@keyframes splash-bg { from { opacity: 0; } }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes dot-in { to { opacity: 1; } }
@keyframes logo-in { from { opacity: 0; transform: scale(0.94); filter: blur(6px); } to { opacity: 1; transform: none; filter: none; } }
@keyframes sheen { 0% { opacity: 0; background-position: 130% 0; } 20% { opacity: 1; } 100% { opacity: 0; background-position: -30% 0; } }
@keyframes text-in { from { opacity: 0; transform: translateY(6px); letter-spacing: 0.4em; } }
@keyframes splash-out { to { opacity: 0; transform: scale(1.02); visibility: hidden; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-delay: 0ms !important; transition-duration: 0.01ms !important; }
  .splash.out { animation: fade-out-quick 0.2s linear forwards !important; animation-duration: 0.2s !important; }
  @keyframes fade-out-quick { to { opacity: 0; visibility: hidden; } }
}
/* Salvaguarda: si el script no carga, la presentación se retira sola. */
.splash:not(.play):not(.brief):not(.out) { animation: splash-out 0.4s ease 3.5s forwards; }