/* Diseño cálido: crema y frambuesa, títulos con serifa */
:root {
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-head: "Fraunces", Georgia, serif;
  --head-weight: 700; --head-tracking: -0.01em; --em-style: italic;
  --bg: #fbf4ef; --surface: #ffffff; --topbar-bg: rgba(251, 244, 239, .85);
  --text: #2d1f24; --muted: #8a7479; --border: #f0e2dc; --divider: #f4ebe6;
  --input-bg: #fffaf7; --input-border: #ead9d2;
  --accent: #d6336c; --accent-ink: #ffffff; --accent-soft: rgba(214, 51, 108, .15); --link: #c2255c;
  --highlight-border: #f5c2d4;
  --tile-bg: #fde7ef; --tile-ink: #a61e4d; --tile-border: none;
  --avatar-sat: 70%; --avatar-light: 88%; --avatar-ink-light: 25%; --avatar-border: none;
  --avatar-radius: 999px; --logo-radius: 999px;
  --ok: #2b8a3e; --ok-bg: #e6f6ea; --err: #c92a2a; --err-bg: #fdeaea; --warn: #a15c07; --warn-bg: #fff3d6;
  --radius: 20px; --btn-radius: 999px; --line: 1px;
  --shadow: 0 1px 2px rgba(80, 30, 40, .04), 0 8px 24px rgba(80, 30, 40, .05);
  --btn-shadow: 0 4px 14px rgba(214, 51, 108, .3);
  --auth-bg: #fbf4ef; --blob-1: #ffc9dc; --blob-2: #ffdcb8;
  --auth-shadow: 0 20px 60px rgba(120, 40, 60, .12);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1214; --surface: #251a1e; --topbar-bg: rgba(26, 18, 20, .85);
    --text: #f6ecee; --muted: #b39ca2; --border: #3a2a2f; --divider: #302327;
    --input-bg: #1e1518; --input-border: #4a3540;
    --accent: #e64980; --accent-ink: #ffffff; --accent-soft: rgba(230, 73, 128, .25); --link: #f783ac;
    --highlight-border: #5c2a3d;
    --tile-bg: #3d1e2b; --tile-ink: #fcc2d7;
    --avatar-sat: 40%; --avatar-light: 28%; --avatar-ink-light: 85%;
    --ok: #69db7c; --ok-bg: #12301a; --err: #ff8787; --err-bg: #3a1414; --warn: #ffd43b; --warn-bg: #3a2f0b;
    --shadow: none; --btn-shadow: 0 4px 14px rgba(230, 73, 128, .25);
    --auth-bg: #1a1214; --blob-1: #5a2036; --blob-2: #4a3019;
    --auth-shadow: 0 20px 60px rgba(0, 0, 0, .4);
  }
}

* { box-sizing: border-box; }
body {
  margin: 0; font-family: var(--font-body); background: var(--bg); color: var(--text);
  line-height: 1.5; -webkit-font-smoothing: antialiased;
}
a { color: var(--link); text-decoration: none; font-weight: 500; }
a:hover { text-decoration: underline; }
h1, h2 { font-family: var(--font-head); font-weight: var(--head-weight); letter-spacing: var(--head-tracking); margin: 0; }
h1 { font-size: 1.9rem; line-height: 1.15; }
h2 { font-size: 1.15rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.center { text-align: center; }

/* Barra superior */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; justify-content: space-between; align-items: center;
  padding: .7rem 1rem; background: var(--topbar-bg); border-bottom: var(--line) solid var(--border);
  backdrop-filter: blur(10px);
}
.topbar-right { display: flex; gap: .8rem; align-items: center; }
.brand { font-family: var(--font-head); font-weight: 700; font-size: 1.1rem; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-mark { color: var(--accent); }

/* Contenedores */
.container { max-width: 960px; margin: 0 auto; padding: 1.5rem 1rem 3rem; }
.card {
  background: var(--surface); border: var(--line) solid var(--border); border-radius: var(--radius);
  padding: 1.25rem; margin-bottom: 1.25rem; box-shadow: var(--shadow);
}
.card.highlight { border-color: var(--highlight-border); }
.section-head { display: flex; align-items: center; gap: .5rem; margin-bottom: 1rem; }
.count {
  background: var(--accent); color: var(--accent-ink); font-size: .75rem; font-weight: 700;
  min-width: 1.4rem; height: 1.4rem; padding: 0 .4rem; border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center;
}
.hello { margin: .5rem 0 1.5rem; }
.hello p { margin: .35rem 0 0; }
.empty { color: var(--muted); margin: 0; padding: 1rem; text-align: center; background: var(--bg); border-radius: calc(var(--radius) * .6); }

/* Formularios */
label { display: block; margin-bottom: 1rem; font-weight: 500; font-size: .92rem; }
input, textarea, button { font: inherit; }
input, textarea {
  display: block; width: 100%; margin-top: .35rem; padding: .7rem .85rem;
  border: var(--line) solid var(--input-border); border-radius: calc(var(--radius) * .6);
  background: var(--input-bg); color: var(--text); transition: border-color .15s, box-shadow .15s;
}
input:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
button {
  padding: .6rem 1.1rem; border-radius: var(--btn-radius); border: var(--line) solid var(--border);
  background: var(--surface); color: var(--text); cursor: pointer; font-weight: 600;
  transition: transform .15s, filter .15s, box-shadow .2s, background .2s, border-color .2s;
}
button:active { transform: translateY(1px); }
button.primary { background: var(--accent); border-color: var(--btn-border, var(--accent)); color: var(--accent-ink); box-shadow: var(--btn-shadow); }
button.primary:hover { filter: brightness(1.06); }
button.ghost { background: transparent; }
a.button {
  display: inline-flex; align-items: center; justify-content: center; padding: .6rem 1.1rem;
  border-radius: var(--btn-radius); border: var(--line) solid var(--border); color: var(--text); font-weight: 600;
}
a.button:hover { text-decoration: none; border-color: var(--accent); }
a.button.soft { background: var(--tile-bg); border-color: transparent; color: var(--link); font-size: .88rem; padding: .45rem .95rem; }
a.button.soft:hover { background: var(--accent); color: var(--accent-ink); }
.add-btn { margin-left: auto; }
button.link { background: none; border: none; padding: 0; color: var(--muted); font-weight: 500; box-shadow: none; }
.icon-btn { background: none; border: none; color: var(--muted); padding: .3rem .5rem; border-radius: 8px; box-shadow: none; }
.icon-btn:hover { background: var(--err-bg); color: var(--err); }
form > button.primary { width: 100%; padding: .8rem; }
.actions form > button.primary { width: auto; padding: .6rem 1.1rem; }

/* Avatares */
.avatar {
  flex-shrink: 0; width: 2.3rem; height: 2.3rem; border-radius: var(--avatar-radius);
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .95rem; font-family: var(--font-head);
  background: hsl(var(--h) var(--avatar-sat) var(--avatar-light)); color: hsl(var(--h) 60% var(--avatar-ink-light));
  border: var(--avatar-border);
}
.avatar.big { width: 4rem; height: 4rem; font-size: 1.6rem; }

/* Propuestas */
.proposals, .people { list-style: none; margin: 0; padding: 0; }
.proposals li { display: flex; gap: .85rem; align-items: flex-start; padding: 1rem 0; border-top: 1px solid var(--divider); }
.proposals li:first-child { border-top: none; padding-top: 0; }
.proposals li:last-child { padding-bottom: 0; }
.proposals li.rechazada { opacity: .55; }
.item-body { flex: 1; min-width: 0; }
.meta { font-size: .82rem; color: var(--muted); }
.plan { font-weight: 600; font-size: 1.05rem; margin: .15rem 0; }
.place, .when { color: var(--muted); font-size: .92rem; }
.when { color: var(--text); font-weight: 500; }
.in-agenda { font-size: .85rem; font-weight: 600; color: var(--ok); align-self: center; }
.actions { display: flex; gap: .5rem; margin-top: .75rem; }
.badge { font-size: .75rem; font-weight: 600; padding: .25rem .65rem; border-radius: 999px; white-space: nowrap; }
.badge.pendiente { background: var(--warn-bg); color: var(--warn); }
.badge.aceptada { background: var(--ok-bg); color: var(--ok); }
.badge.rechazada { background: var(--err-bg); color: var(--err); }

.row { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }

/* Calendario */
#agenda, #nueva, #proponer { scroll-margin-top: 4.5rem; }
.cal-bar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: .75rem; margin-bottom: 1rem; }
.cal-nav, .cal-tools { display: flex; align-items: center; gap: .4rem; }
.cal-title { font-family: var(--font-head); font-size: 1.1rem; margin: 0 0 0 .35rem; white-space: nowrap; }
.cal-btn {
  display: inline-flex; align-items: center; justify-content: center; min-width: 2.2rem; height: 2.2rem; padding: 0 .65rem;
  border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--text);
  font-size: 1.15rem; font-weight: 600; line-height: 1;
}
.cal-btn.text { font-size: .85rem; }
.cal-btn:hover { text-decoration: none; border-color: var(--accent); color: var(--accent); }
.seg { display: inline-flex; padding: 3px; border: 1px solid var(--border); border-radius: 999px; background: var(--bg); }
.seg a { padding: .32rem .9rem; border-radius: 999px; font-size: .85rem; color: var(--muted); }
.seg a:hover { text-decoration: none; color: var(--text); }
.seg a.on { background: var(--accent); color: var(--accent-ink); }

/* Semana: filas en el móvil, siete columnas en pantallas anchas */
.week { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.day {
  display: grid; grid-template-columns: 2.8rem 1fr auto; gap: .75rem; align-items: center;
  padding: .55rem .6rem; border: 1px solid var(--divider); border-radius: calc(var(--radius) * .6); background: var(--surface);
}
.day.pasado { opacity: .5; }
.day.sel { background: var(--tile-bg); border-color: var(--highlight-border); }
.day-head { display: flex; flex-direction: column; align-items: center; line-height: 1.1; }
.day-head .dow { font-size: .66rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.day-head .num {
  font-family: var(--font-head); font-size: 1.25rem; font-weight: 700;
  width: 2.2rem; height: 2.2rem; display: flex; align-items: center; justify-content: center; border-radius: 999px;
}
.day.hoy .dow { color: var(--accent); }
.day.hoy .num { background: var(--accent); color: var(--accent-ink); font-size: 1.05rem; }
.day-items { list-style: none; margin: 0; padding: 0; display: grid; gap: .35rem; min-width: 0; }
.entry {
  position: relative; padding: .4rem 1.7rem .4rem .65rem; border-radius: 10px;
  background: var(--tile-bg); border-left: 3px solid var(--accent); font-size: .88rem; line-height: 1.3; overflow-wrap: anywhere;
}
.day.sel .entry { background: var(--surface); }
.entry .time { display: block; font-size: .72rem; font-weight: 700; color: var(--accent); }
.entry-meta { display: block; margin-top: .15rem; font-size: .75rem; color: var(--muted); }
.entry-meta .con { display: block; color: var(--link); font-weight: 600; }
.entry form { position: absolute; top: .2rem; right: .2rem; }
.entry-del {
  padding: .1rem .35rem; border: none; border-radius: 6px; background: none; box-shadow: none;
  font-size: .72rem; color: var(--muted); opacity: .7;
}
.entry-del:hover { opacity: 1; color: var(--err); background: var(--err-bg); }
.none { font-size: .85rem; color: var(--muted); }
.day-add {
  display: inline-flex; align-items: center; justify-content: center; width: 2rem; height: 2rem;
  border: 1px dashed var(--input-border); border-radius: 999px; color: var(--link); font-weight: 700;
}
.day-add.text { width: auto; padding: 0 .75rem; font-size: .8rem; border-style: solid; }
.day-add:hover { text-decoration: none; background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

/* Mes */
.month { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: .3rem; }
.month-dow { text-align: center; font-size: .7rem; font-weight: 600; text-transform: uppercase; color: var(--muted); padding-bottom: .2rem; }
.mday {
  min-height: 3.2rem; display: flex; flex-direction: column; align-items: center; gap: .15rem; padding: .3rem .15rem;
  border: 1px solid transparent; border-radius: 12px; color: var(--text); font-weight: 400;
}
.mday:hover { text-decoration: none; border-color: var(--accent); }
.mday .num {
  width: 1.8rem; height: 1.8rem; display: flex; align-items: center; justify-content: center;
  border-radius: 999px; font-size: .9rem; font-weight: 600;
}
.mday.tiene { background: var(--tile-bg); }
.mday.pasado .num { color: var(--muted); }
.mday.hoy .num { background: var(--accent); color: var(--accent-ink); }
.mday.fuera { opacity: .35; }
.dots { display: flex; gap: 3px; }
.dots i { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.mini { display: none; }
.cal-hint { margin: .75rem 0 0; text-align: center; }

/* «Muy ocupado/a»: rayas rojas en la entrada y en el día del mes */
.entry.ocupado, .day.sel .entry.ocupado, .mday.ocupado {
  background: repeating-linear-gradient(135deg, var(--err-bg) 0 7px, color-mix(in srgb, var(--err-bg) 45%, var(--surface)) 7px 14px);
}
.entry.ocupado { border-left-color: var(--err); }
.entry.ocupado .time, .entry .busy { color: var(--err); }
.entry .busy { display: block; font-weight: 700; }
.dots i.o { background: var(--err); }

@media (min-width: 760px) {
  .week { grid-template-columns: repeat(7, minmax(0, 1fr)); gap: .4rem; }
  .day { grid-template-columns: 1fr; grid-template-rows: auto 1fr auto; align-items: start; min-height: 12rem; padding: .5rem .4rem .6rem; gap: .5rem; }
  .entry { font-size: .78rem; padding: .35rem 1.3rem .35rem .45rem; }
  .entry form { top: .1rem; right: .05rem; }
  .none { display: none; }
  .day-add { justify-self: center; }
  .day-add.text { padding: 0 .55rem; font-size: .75rem; }
  .mday { min-height: 5.6rem; align-items: stretch; padding: .3rem; }
  .mday .num { align-self: flex-start; }
  .dots { display: none; }
  .mini {
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
    font-size: .72rem; line-height: 1.3; padding: 0 .15rem;
  }
  .mini b { color: var(--accent); }
}

/* Ventana para añadir a la agenda */
.sheet {
  width: min(520px, calc(100% - 2rem)); max-height: calc(100vh - 2rem); padding: 0; border: none;
  border-radius: calc(var(--radius) * 1.2); background: var(--surface); color: var(--text); box-shadow: var(--auth-shadow);
}
.sheet::backdrop { background: rgba(45, 20, 30, .45); backdrop-filter: blur(3px); }
.sheet[open] { animation: aparecer .2s ease-out; }
.sheet form { padding: 1.4rem 1.4rem 1.25rem; }
.sheet-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; margin-bottom: 1.1rem; }
.sheet-head p { margin: .25rem 0 0; }
.sheet-head .icon-btn { font-size: 1rem; line-height: 1; padding: .45rem .55rem; }
.sheet-actions { display: flex; justify-content: flex-end; gap: .6rem; margin-top: 1.25rem; }
.sheet-actions button.primary { padding: .7rem 1.8rem; }
@keyframes aparecer { from { opacity: 0; transform: translateY(12px) scale(.98); } }
@keyframes subir { from { transform: translateY(40%); } }
@media (max-width: 560px) {
  .sheet { width: 100%; max-width: 100%; max-height: 92vh; margin: auto 0 0; border-radius: 24px 24px 0 0; }
  .sheet[open] { animation: subir .25s cubic-bezier(.2, .8, .3, 1); }
  .sheet form { padding-bottom: calc(1.25rem + env(safe-area-inset-bottom)); }
  .sheet-actions > * { flex: 1; }
}

/* Selector de duración */
.dur { border: none; padding: 0; margin: 0; min-width: 0; }
.dur legend { padding: 0; margin-bottom: .45rem; font-weight: 500; font-size: .92rem; }
.chips { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem; }
label.chip { position: relative; margin: 0; font-weight: 500; }
.chip input { position: absolute; opacity: 0; width: 1px; height: 1px; margin: 0; pointer-events: none; }
.chip span {
  display: inline-block; padding: .4rem .8rem; border: 1px solid var(--input-border); border-radius: 999px;
  background: var(--input-bg); font-size: .85rem; cursor: pointer; transition: background .15s, color .15s;
}
.chip span:hover { border-color: var(--accent); }
.chip input:checked + span { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.chip input:focus-visible + span { box-shadow: 0 0 0 3px var(--accent-soft); }
.dur-otra { display: none; align-items: center; gap: .35rem; font-size: .85rem; color: var(--muted); }
.chips:has(input[value=otra]:checked) .dur-otra { display: inline-flex; }
.dur-otra input { display: inline-block; width: 4.2rem; margin: 0; padding: .4rem .5rem; }
.preview { margin: .75rem 0 0; font-size: .9rem; font-weight: 600; color: var(--accent); }
.preview::before { content: "🕒 "; }
form[data-horario] > .preview { margin-bottom: 1rem; }
.dur { margin-bottom: 1rem; }
.sheet .dur { margin-bottom: 0; }
.busy-row { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem .75rem; margin-bottom: 1rem; }
.chip-busy input:checked + span { background: var(--err); border-color: var(--err); color: var(--surface); }
.chip-busy input:focus-visible + span { box-shadow: 0 0 0 3px var(--err-bg); }
.si-ocupado { display: none; }
form:has([data-ocupado]:checked) .si-ocupado { display: inline; }

/* Personas */
.people { display: grid; gap: .5rem; }
.people a {
  display: flex; align-items: center; gap: .75rem; padding: .6rem .75rem; color: var(--text);
  border: var(--line) solid var(--divider); border-radius: calc(var(--radius) * .6);
}
.people a:hover { text-decoration: none; border-color: var(--accent); }
.people .go { margin-left: auto; font-size: .85rem; color: var(--link); }

/* Perfil */
.back { display: inline-block; margin-bottom: 1rem; color: var(--muted); }
.profile-head { display: flex; gap: 1rem; align-items: center; margin-bottom: 1.5rem; }
.profile-head p { margin: .2rem 0 0; }

/* Login / registro */
.auth { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1.5rem 1rem; background: var(--auth-bg); }
.auth-card {
  width: 100%; max-width: 400px; background: var(--surface); border: var(--line) solid var(--border);
  border-radius: calc(var(--radius) * 1.3); padding: 2rem 1.6rem; box-shadow: var(--auth-shadow);
}
.auth-card h1 { margin-bottom: .5rem; }
.auth-card h1 em { color: var(--accent); font-style: var(--em-style); }
.auth-card > p.muted { margin: 0 0 1.5rem; }
.auth-card > p.center { margin: 1.25rem 0 0; }
.logo {
  width: 3rem; height: 3rem; border-radius: var(--logo-radius); background: var(--accent); color: var(--accent-ink);
  display: flex; align-items: center; justify-content: center; font-size: 1.4rem; margin-bottom: 1.25rem;
  border: var(--avatar-border); box-shadow: var(--btn-shadow);
}

/* Avisos */
.flash { padding: .75rem 1rem; border-radius: calc(var(--radius) * .6); margin-bottom: 1rem; font-weight: 500; }
.flash.ok { background: var(--ok-bg); color: var(--ok); }
.flash.error { background: var(--err-bg); color: var(--err); }

@media (max-width: 480px) {
  h1 { font-size: 1.6rem; }
  .people .go { display: none; }
}

/* ==========================================================================
   Animaciones
   ========================================================================== */

/* --- Transiciones entre páginas (View Transitions) ------------------------ */
@view-transition { navigation: auto; }
.topbar { view-transition-name: topbar; }
/* Los nombres solo se activan en el tipo de navegación que les toca; si no, el calendario
   o los avatares «volarían» entre páginas que no tienen nada que ver. */
html:active-view-transition-type(adelante, atras, acercar, alejar) .cal-body { view-transition-name: cal-cuerpo; }
html:active-view-transition-type(adelante, atras, acercar, alejar) .cal-title { view-transition-name: cal-titulo; }
html:active-view-transition-type(adelante, atras, acercar, alejar) .seg a.on { view-transition-name: seg-activo; }
html:active-view-transition-type(navegar) .avatar.vt { view-transition-name: var(--vt); }

::view-transition-group(*) { animation-duration: .4s; animation-timing-function: cubic-bezier(.2, .8, .2, 1); }
::view-transition-old(root) { animation: .2s ease-in both vt-fuera; }
::view-transition-new(root) { animation: .38s cubic-bezier(.2, .8, .2, 1) both vt-dentro; }
/* Dentro del panel (calendario, guardar, borrar) solo se mueve lo que cambia. */
html:active-view-transition-type(adelante, atras, acercar, alejar, quieto)::view-transition-old(root),
html:active-view-transition-type(adelante, atras, acercar, alejar, quieto)::view-transition-new(root) { animation: none; }

html:active-view-transition-type(adelante)::view-transition-old(cal-cuerpo) { animation: .25s ease-in both vt-a-izquierda; }
html:active-view-transition-type(adelante)::view-transition-new(cal-cuerpo) { animation: .42s cubic-bezier(.2, .8, .2, 1) both vt-desde-derecha; }
html:active-view-transition-type(atras)::view-transition-old(cal-cuerpo) { animation: .25s ease-in both vt-a-derecha; }
html:active-view-transition-type(atras)::view-transition-new(cal-cuerpo) { animation: .42s cubic-bezier(.2, .8, .2, 1) both vt-desde-izquierda; }
html:active-view-transition-type(alejar)::view-transition-old(cal-cuerpo) { animation: .25s ease-in both vt-encoger; }
html:active-view-transition-type(alejar)::view-transition-new(cal-cuerpo) { animation: .45s cubic-bezier(.2, .8, .2, 1) both vt-desde-grande; }
html:active-view-transition-type(acercar)::view-transition-old(cal-cuerpo) { animation: .25s ease-in both vt-agrandar; }
html:active-view-transition-type(acercar)::view-transition-new(cal-cuerpo) { animation: .45s cubic-bezier(.2, .8, .2, 1) both vt-desde-pequeno; }
html:active-view-transition-type(adelante)::view-transition-old(cal-titulo) { animation: .2s ease-in both vt-sube-fuera; }
html:active-view-transition-type(adelante)::view-transition-new(cal-titulo) { animation: .35s cubic-bezier(.2, .8, .2, 1) both vt-sube-dentro; }
html:active-view-transition-type(atras)::view-transition-old(cal-titulo) { animation: .2s ease-in both vt-baja-fuera; }
html:active-view-transition-type(atras)::view-transition-new(cal-titulo) { animation: .35s cubic-bezier(.2, .8, .2, 1) both vt-baja-dentro; }

@keyframes vt-fuera { to { opacity: 0; transform: translateY(-6px); } }
@keyframes vt-dentro { from { opacity: 0; transform: translateY(14px); } }
@keyframes vt-a-izquierda { to { opacity: 0; transform: translateX(-70px); } }
@keyframes vt-a-derecha { to { opacity: 0; transform: translateX(70px); } }
@keyframes vt-desde-derecha { from { opacity: 0; transform: translateX(70px); } }
@keyframes vt-desde-izquierda { from { opacity: 0; transform: translateX(-70px); } }
@keyframes vt-encoger { to { opacity: 0; transform: scale(.9); } }
@keyframes vt-agrandar { to { opacity: 0; transform: scale(1.1); } }
@keyframes vt-desde-grande { from { opacity: 0; transform: scale(1.1); } }
@keyframes vt-desde-pequeno { from { opacity: 0; transform: scale(.9); } }
@keyframes vt-sube-fuera { to { opacity: 0; transform: translateY(-12px); } }
@keyframes vt-sube-dentro { from { opacity: 0; transform: translateY(12px); } }
@keyframes vt-baja-fuera { to { opacity: 0; transform: translateY(12px); } }
@keyframes vt-baja-dentro { from { opacity: 0; transform: translateY(-12px); } }

/* Navegadores sin View Transitions: el calendario entra igualmente deslizándose. */
@supports not (view-transition-name: none) {
  html[data-vt=adelante] .cal-body { animation: vt-desde-derecha .4s cubic-bezier(.2, .8, .2, 1) both; }
  html[data-vt=atras] .cal-body { animation: vt-desde-izquierda .4s cubic-bezier(.2, .8, .2, 1) both; }
  html[data-vt=alejar] .cal-body { animation: vt-desde-grande .4s cubic-bezier(.2, .8, .2, 1) both; }
  html[data-vt=acercar] .cal-body { animation: vt-desde-pequeno .4s cubic-bezier(.2, .8, .2, 1) both; }
}

/* --- Entrada de la página ------------------------------------------------- */
html.entrada :is(.hello, .back, .profile-head, .card, .auth-card) {
  transition: opacity .55s ease var(--d, 0ms), transform .75s cubic-bezier(.2, .8, .2, 1) var(--d, 0ms);
}
html.entrada :is(.hello, .back, .profile-head, .card, .auth-card):not(.visible) { opacity: 0; transform: translateY(24px) scale(.985); }

/* Días de la semana y del mes que caen en cascada. */
html:is(.entrada, [data-vt=acercar], [data-vt=alejar]) .day {
  animation: dia-entra .5s cubic-bezier(.2, .8, .2, 1) both; animation-delay: calc(var(--i) * 45ms + 100ms);
}
html:is(.entrada, [data-vt=acercar], [data-vt=alejar]) .mday {
  animation: celda-entra .4s cubic-bezier(.3, 1.4, .5, 1) both; animation-delay: calc(var(--i) * 12ms + 80ms);
}
@keyframes dia-entra { from { opacity: 0; transform: translateY(14px); } }
@keyframes celda-entra { from { opacity: 0; transform: scale(.6); } }

/* --- Calendario ----------------------------------------------------------- */
.day { transition: border-color .2s, box-shadow .25s, transform .25s cubic-bezier(.2, .8, .2, 1); }
.day:not(.pasado):hover { border-color: var(--highlight-border); box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 10%, transparent); }
@media (min-width: 760px) { .day:not(.pasado):hover { transform: translateY(-3px); } }
.day.hoy .num, .mday.hoy .num { animation: anillo 2.8s ease-out infinite; }
@keyframes anillo {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 45%, transparent); }
  70%, 100% { box-shadow: 0 0 0 10px color-mix(in srgb, var(--accent) 0%, transparent); }
}
.day.sel { animation: resaltar 1.4s ease-out .3s; }
@keyframes resaltar { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 40%, transparent); } 100% { box-shadow: 0 0 0 14px transparent; } }

.entry { transition: transform .2s cubic-bezier(.2, .8, .2, 1), box-shadow .2s; }
.entry:hover { transform: translateX(2px); box-shadow: 0 4px 12px color-mix(in srgb, var(--accent) 12%, transparent); }
.entry.recien { animation: entrada-nueva .7s cubic-bezier(.3, 1.6, .5, 1) .35s both, brillo 1.4s ease-out 1s; }
@keyframes entrada-nueva { from { opacity: 0; transform: scale(.6) translateY(10px); } }
@keyframes brillo { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 55%, transparent); } 100% { box-shadow: 0 0 0 12px transparent; } }
.entry.borrando { animation: encoger .26s ease-in forwards; pointer-events: none; }
@keyframes encoger { to { opacity: 0; transform: scale(.7) rotate(-3deg); filter: blur(2px); } }

.day-add { transition: transform .3s cubic-bezier(.3, 1.6, .5, 1), background .2s, color .2s, border-color .2s; }
.day-add:not(.text):hover { transform: rotate(90deg) scale(1.12); }
.day-add.text:hover { transform: translateY(-2px); }
.mday { transition: transform .25s cubic-bezier(.3, 1.6, .5, 1), border-color .2s, background .2s; }
.mday:hover { transform: scale(1.07); z-index: 1; }
.cal-btn { transition: transform .2s cubic-bezier(.3, 1.6, .5, 1), border-color .2s, color .2s; }
.cal-btn:hover { transform: translateY(-2px); }
.cal-btn:active { transform: scale(.92); }
.seg a { transition: color .2s, background .2s; }

/* --- Botones ---------------------------------------------------------------- */
button.primary { position: relative; overflow: hidden; }
button.primary::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, .4) 50%, transparent 70%);
  transform: translateX(-120%);
}
button.primary:hover { transform: translateY(-2px); box-shadow: 0 8px 22px color-mix(in srgb, var(--accent) 38%, transparent); }
button.primary:hover::after { transform: translateX(120%); transition: transform .75s ease; }
button:active, a.button:active { transform: scale(.96); }
a.button { transition: transform .2s cubic-bezier(.3, 1.6, .5, 1), background .2s, color .2s, border-color .2s; }
a.button:hover { transform: translateY(-2px); }
.enviando { animation: latido .5s ease-in-out; }

.con-onda { position: relative; overflow: hidden; }
.onda {
  position: absolute; border-radius: 50%; pointer-events: none;
  background: currentColor; opacity: .25; transform: scale(0); animation: onda .6s ease-out forwards;
}
@keyframes onda { to { transform: scale(1); opacity: 0; } }

/* Corazones al celebrar */
.chispa {
  position: fixed; z-index: 100; pointer-events: none; line-height: 1;
  color: hsl(var(--tono) 80% 58%); translate: -50% -50%;
  animation: estallar .9s cubic-bezier(.15, .7, .3, 1) both;
}
@keyframes estallar {
  0% { opacity: 0; transform: translate(0, 0) scale(.3) rotate(0); }
  15% { opacity: 1; }
  100% { opacity: 0; transform: translate(var(--dx), calc(var(--dy) + 30px)) scale(1.1) rotate(var(--giro)); }
}
@keyframes latido {
  0%, 100% { transform: scale(1); }
  15% { transform: scale(1.14); }
  30% { transform: scale(1); }
  45% { transform: scale(1.08); }
  60% { transform: scale(1); }
}

/* --- Propuestas, personas, avisos ------------------------------------------ */
.count { animation: rebote .7s cubic-bezier(.3, 1.8, .5, 1) .8s both; }
@keyframes rebote { from { transform: scale(0); } }
.proposals li.rechazando { animation: fuera-izquierda .32s ease-in forwards; }
@keyframes fuera-izquierda { to { opacity: 0; transform: translateX(-50px); } }
.people a { transition: transform .25s cubic-bezier(.2, .8, .2, 1), border-color .2s, box-shadow .25s; }
.people a:hover { transform: translateX(4px); box-shadow: 0 6px 16px color-mix(in srgb, var(--accent) 10%, transparent); }
.people a .go { transition: transform .25s; }
.people a:hover .go { transform: translateX(4px); }
.people a:hover .avatar { animation: latido .8s; }
.brand-mark { display: inline-block; }
.brand:hover .brand-mark { animation: latido .9s; }

.toasts {
  position: fixed; top: 4.4rem; left: 50%; transform: translateX(-50%); z-index: 60;
  display: grid; gap: .5rem; width: min(420px, calc(100% - 2rem)); pointer-events: none;
}
.auth .toasts { top: 1rem; }
.toasts .flash {
  margin: 0; pointer-events: auto; cursor: pointer;
  box-shadow: 0 12px 32px rgba(60, 20, 30, .16); animation: aviso-entra .5s cubic-bezier(.3, 1.5, .5, 1) both;
}
.toasts .flash.saliendo { animation: aviso-sale .3s ease-in forwards; }
@keyframes aviso-entra { from { opacity: 0; transform: translateY(-24px) scale(.95); } }
@keyframes aviso-sale { to { opacity: 0; transform: translateY(-16px) scale(.96); } }

/* --- Formularios ------------------------------------------------------------- */
.chip span { transition: background .2s, color .2s, border-color .2s, transform .2s; }
.chip span:hover { transform: translateY(-1px); }
.chip input:checked + span { animation: pop .35s cubic-bezier(.3, 1.8, .5, 1); }
@keyframes pop { 40% { transform: scale(1.12); } }
.chips:has(input[value=otra]:checked) .dur-otra { animation: desde-lado .3s cubic-bezier(.2, .8, .2, 1); }
@keyframes desde-lado { from { opacity: 0; transform: translateX(-8px); } }
.preview.cambio { animation: cambio .3s cubic-bezier(.2, .8, .2, 1); }
@keyframes cambio { from { opacity: .2; transform: translateY(4px); } }
input:focus, textarea:focus { transition: border-color .15s, box-shadow .25s; }

/* Ventana: fondo que se funde, campos en cascada y salida animada. */
.sheet[open]::backdrop { animation: fundido .3s ease-out; }
.sheet[open] form > * { animation: campo .45s cubic-bezier(.2, .8, .2, 1) both; }
.sheet[open] form > :nth-child(4) { animation-delay: .04s; }
.sheet[open] form > :nth-child(5) { animation-delay: .08s; }
.sheet[open] form > :nth-child(6) { animation-delay: .12s; }
.sheet[open] form > :nth-child(7) { animation-delay: .16s; }
.sheet[open] form > :nth-child(8) { animation-delay: .2s; }
.sheet[open] form > :nth-child(9) { animation-delay: .24s; }
.sheet.cerrando { animation: ventana-sale .2s ease-in forwards; }
.sheet.cerrando::backdrop { animation: fundido-fuera .2s ease-in forwards; }
@keyframes campo { from { opacity: 0; transform: translateY(10px); } }
@keyframes fundido { from { opacity: 0; } }
@keyframes fundido-fuera { to { opacity: 0; } }
@keyframes ventana-sale { to { opacity: 0; transform: translateY(14px) scale(.97); } }
@media (max-width: 560px) {
  .sheet.cerrando { animation-name: hoja-baja; }
  @keyframes hoja-baja { to { transform: translateY(100%); } }
}

/* --- Pantalla de entrada ----------------------------------------------------- */
.auth { position: relative; overflow: hidden; isolation: isolate; }
.auth::before, .auth::after {
  content: ""; position: absolute; z-index: -1; width: 60vmax; height: 60vmax; border-radius: 50%;
  filter: blur(40px); opacity: .85;
}
.auth::before {
  top: -22vmax; left: -18vmax; background: radial-gradient(circle, var(--blob-1), transparent 65%);
  animation: flotar-a 17s ease-in-out infinite alternate;
}
.auth::after {
  bottom: -25vmax; right: -20vmax; background: radial-gradient(circle, var(--blob-2), transparent 65%);
  animation: flotar-b 21s ease-in-out infinite alternate;
}
@keyframes flotar-a { to { transform: translate(18vmax, 14vmax) scale(1.15); } }
@keyframes flotar-b { to { transform: translate(-16vmax, -12vmax) scale(1.2); } }
.hearts { position: absolute; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.hearts span {
  position: absolute; bottom: -2.5rem; left: var(--x); font-size: var(--s); color: var(--accent);
  opacity: 0; animation: subir-corazon var(--t) linear var(--d) infinite;
}
@keyframes subir-corazon {
  0% { opacity: 0; transform: translate(0, 0) rotate(0); }
  12% { opacity: .35; }
  85% { opacity: .2; }
  100% { opacity: 0; transform: translate(var(--w), -110vh) rotate(var(--r)); }
}
.logo { animation: latido 2s ease-in-out infinite; }
.auth-card h1 em { display: inline-block; }
html.entrada .auth-card.visible h1 em { animation: brillo-texto 1.2s ease .5s both; }
@keyframes brillo-texto { from { opacity: 0; transform: translateY(8px); letter-spacing: .08em; } }

/* --- Sin animaciones para quien lo pida en su sistema ------------------------ */
@media (prefers-reduced-motion: reduce) {
  @view-transition { navigation: none; }
  *, *::before, *::after {
    animation-duration: .01ms !important; animation-iteration-count: 1 !important;
    animation-delay: 0s !important; transition-duration: .01ms !important; transition-delay: 0s !important;
  }
  .hearts, .auth::before, .auth::after { display: none; }
}