/* ═══════════════════════════════════════════════════════════
   AULA 360 — styles.css
   Estética: Diseño gráfico suizo + editorial contemporáneo
   FADU·UBA 2025
═══════════════════════════════════════════════════════════ */

/* ── TOKENS ─────────────────────────────────────────────── */
:root {
  --c-bg:        #F5F4F0;
  --c-surface:   #FFFFFF;
  --c-ink:       #141414;
  --c-ink-2:     #5A5A5A;
  --c-ink-3:     #9A9A9A;
  --c-rule:      #E0DED8;
  --c-accent:    #D4510C;   /* único acento — naranja ladrillo */
  --c-accent-lt: #F3E0D6;
  --c-green:     #2D7A4F;
  --c-green-lt:  #D6EDE1;
  --c-yellow:    #C8960A;
  --c-yellow-lt: #FDF3D0;
  --c-red:       #B52B2B;
  --c-red-lt:    #F7DADA;

  --f-display: 'DM Serif Display', Georgia, serif;
  --f-body:    'DM Sans', system-ui, sans-serif;
  --f-mono:    'Roboto Mono', 'Courier New', monospace;

  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  32px;
  --space-xl:  64px;
  --space-2xl: 112px;

  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 16px;

  --shadow-sm: 0 1px 4px rgba(0,0,0,.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,.09);
  --shadow-lg: 0 8px 40px rgba(0,0,0,.12);

  --nav-h: 64px;
  --max-w: 1200px;
  --trans: .25s cubic-bezier(.4,0,.2,1);
}

/* ── RESET ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--f-body);
  background: var(--c-bg);
  color: var(--c-ink);
  line-height: 1.6;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: var(--f-body); border: none; background: none; }
input, select, textarea { font-family: var(--f-body); }

/* ── TYPOGRAPHY ─────────────────────────────────────────── */
h1 { font-family: var(--f-display); font-size: clamp(3.5rem, 10vw, 8rem); line-height: .95; letter-spacing: -.02em; }
h2 { font-family: var(--f-display); font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1; letter-spacing: -.015em; }
h3 { font-family: var(--f-body); font-size: 1.125rem; font-weight: 500; letter-spacing: -.01em; }
p  { font-weight: 300; }

/* ── UTILITY ─────────────────────────────────────────────── */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ── BUTTONS ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 28px; border-radius: var(--r-sm);
  font-size: .875rem; font-weight: 500; letter-spacing: .04em;
  text-transform: uppercase; transition: all var(--trans);
  white-space: nowrap;
}
.btn--primary {
  background: var(--c-ink); color: #fff;
}
.btn--primary:hover { background: var(--c-accent); }
.btn--outline {
  border: 1.5px solid var(--c-ink); color: var(--c-ink);
}
.btn--outline:hover { background: var(--c-ink); color: #fff; }
.btn--ghost {
  border: 1.5px solid var(--c-rule); color: var(--c-ink-2);
}
.btn--ghost:hover { border-color: var(--c-ink); color: var(--c-ink); }
.btn--sm { padding: 7px 16px; font-size: .75rem; }
.btn--full { width: 100%; }

/* ── REVEAL ANIMATION ────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .65s cubic-bezier(.4,0,.2,1), transform .65s cubic-bezier(.4,0,.2,1);
  transition-delay: var(--delay, 0s);
}
.reveal.visible {
  opacity: 1; transform: translateY(0);
}
.reveal--delay { --delay: .15s; }

/* ── NAV ─────────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(245,244,240,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-rule);
  transition: box-shadow var(--trans);
}
.nav.scrolled { box-shadow: var(--shadow-sm); }
.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  height: var(--nav-h);
  display: flex; align-items: center; gap: var(--space-lg);
}
.nav__brand {
  display: flex; flex-direction: column; gap: 0;
  flex-shrink: 0;
}
.nav__brand-mark {
  font-family: var(--f-mono); font-size: .875rem; font-weight: 400;
  letter-spacing: .08em; color: var(--c-ink);
  transition: color var(--trans);
}
.nav__brand-mark:hover { color: var(--c-accent); }
.nav__brand-sub {
  font-family: var(--f-mono); font-size: .65rem; color: var(--c-ink-3);
  letter-spacing: .1em;
}
.nav__links {
  display: flex; align-items: center; gap: 4px;
  margin-left: auto;
}
.nav__link {
  font-size: .75rem; font-weight: 500; letter-spacing: .06em;
  text-transform: uppercase; color: var(--c-ink-2);
  padding: 6px 10px; border-radius: var(--r-sm);
  transition: all var(--trans);
}
.nav__link:hover, .nav__link.active { color: var(--c-ink); background: var(--c-rule); }

.nav__toggle {
  display: none; flex-direction: column; gap: 5px;
  padding: 8px; border-radius: var(--r-sm);
}
.nav__toggle span {
  display: block; width: 22px; height: 1.5px; background: var(--c-ink);
  transition: all var(--trans); transform-origin: center;
}
.nav__toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav__mobile {
  display: none; flex-direction: column;
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--c-rule);
  background: var(--c-bg);
}
.nav__mobile.open { display: flex; }
.nav__mobile-link {
  font-size: .875rem; font-weight: 500; color: var(--c-ink);
  padding: 12px 0; border-bottom: 1px solid var(--c-rule);
  transition: color var(--trans);
}
.nav__mobile-link:hover { color: var(--c-accent); }
.nav__mobile-link:last-child { border-bottom: none; }

/* ── SECTION SHARED ──────────────────────────────────────── */
.section {
  padding: var(--space-2xl) 0;
}
.section:nth-child(even) { background: var(--c-surface); }
.section__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}
.section__head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--c-rule);
}
.section__label {
  font-family: var(--f-mono); font-size: .7rem; color: var(--c-ink-3);
  letter-spacing: .12em; text-transform: uppercase;
  white-space: nowrap;
}
.section__title { color: var(--c-ink); }

/* ── HERO ────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  padding-top: calc(var(--nav-h) + var(--space-xl));
  padding-bottom: 0;
  background: var(--c-bg);
  display: flex; flex-direction: column;
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: -40%; right: -20%;
  width: 70vw; height: 70vw; max-width: 900px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212,81,12,.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero__grid {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  flex: 1;
}
.hero__eyebrow {
  font-family: var(--f-mono); font-size: .7rem; letter-spacing: .15em;
  text-transform: uppercase; color: var(--c-accent);
  margin-bottom: var(--space-md);
}
.hero__title {
  margin-bottom: var(--space-md);
}
.hero__title em {
  font-style: italic; color: var(--c-accent);
}
.hero__subtitle {
  font-family: var(--f-body); font-size: 1rem; font-weight: 300;
  color: var(--c-ink-2); margin-bottom: var(--space-lg);
  letter-spacing: .02em; line-height: 1.4;
  text-transform: uppercase;
}
.hero__desc {
  font-size: .9rem; font-weight: 300; color: var(--c-ink-2);
  max-width: 48ch; margin-bottom: var(--space-md); line-height: 1.75;
}
.hero__actions {
  display: flex; gap: var(--space-md); flex-wrap: wrap;
  margin-top: var(--space-lg);
}

/* viz dashboard */
.viz {
  background: var(--c-ink);
  border-radius: var(--r-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
}
.viz__header {
  display: flex; align-items: center; gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}
.viz__dot {
  width: 10px; height: 10px; border-radius: 50%;
}
.viz__dot--green { background: #3DD68C; }
.viz__dot--yellow { background: #F5C518; }
.viz__dot--red { background: #F25F5C; }
.viz__label {
  font-family: var(--f-mono); font-size: .65rem; color: rgba(255,255,255,.4);
  letter-spacing: .1em; margin-left: auto; text-transform: uppercase;
}
.viz__grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 5px;
  margin-bottom: var(--space-md);
}
.viz__cell {
  aspect-ratio: 1;
  border-radius: 3px;
  transition: transform .2s, opacity .2s;
  cursor: pointer;
}
.viz__cell:hover { transform: scale(1.15); opacity: .9; }
.viz__cell--avail { background: #2D7A4F; }
.viz__cell--reserv { background: var(--c-accent); }
.viz__cell--no    { background: #5A5A5A; }
.viz__legend {
  display: flex; gap: var(--space-md); flex-wrap: wrap;
}
.viz__leg-item {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--f-mono); font-size: .65rem; color: rgba(255,255,255,.5);
  letter-spacing: .06em;
}
.viz__leg-color {
  width: 8px; height: 8px; border-radius: 2px;
}

/* ticker */
.hero__ticker {
  background: var(--c-ink); color: rgba(255,255,255,.7);
  padding: 10px 0; overflow: hidden;
  font-family: var(--f-mono); font-size: .7rem; letter-spacing: .08em;
  text-transform: uppercase; margin-top: var(--space-xl);
}
.ticker__inner {
  display: inline-block;
  white-space: nowrap;
  animation: ticker 30s linear infinite;
}
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── DASHBOARD ───────────────────────────────────────────── */
.dashboard__cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}
.kpi-card {
  background: var(--c-surface);
  border: 1px solid var(--c-rule);
  border-radius: var(--r-md);
  padding: var(--space-lg);
  transition: box-shadow var(--trans), transform var(--trans);
}
.kpi-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.kpi-card__num {
  font-family: var(--f-display); font-size: 3.5rem; line-height: 1;
  color: var(--c-ink); letter-spacing: -.03em;
  margin-bottom: 4px;
}
.kpi-card__num--alert { color: var(--c-accent); }
.kpi-card__label {
  font-size: .8rem; font-weight: 500; text-transform: uppercase;
  letter-spacing: .06em; color: var(--c-ink-2); margin-bottom: var(--space-md);
}
.kpi-card__bar {
  height: 3px; background: var(--c-rule); border-radius: 99px;
  overflow: hidden; margin-bottom: var(--space-sm);
}
.kpi-card__fill {
  height: 100%; width: var(--pct); background: var(--c-ink);
  border-radius: 99px; transition: width 1.2s cubic-bezier(.4,0,.2,1);
}
.kpi-card__bar--alert .kpi-card__fill { background: var(--c-accent); }
.kpi-card__meta {
  font-family: var(--f-mono); font-size: .65rem; color: var(--c-ink-3);
  letter-spacing: .08em;
}

/* activity feed */
.dashboard__activity { background: var(--c-surface); border: 1px solid var(--c-rule); border-radius: var(--r-md); padding: var(--space-lg); }
.dashboard__activity-title { font-size: .8rem; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--c-ink-2); margin-bottom: var(--space-md); }
.activity-feed { display: flex; flex-direction: column; gap: 0; }
.activity-item {
  display: flex; align-items: center; gap: var(--space-md);
  padding: 12px 0; border-bottom: 1px solid var(--c-rule);
}
.activity-item:last-child { border-bottom: none; }
.activity-item__dot {
  width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0;
}
.activity-item__dot--green  { background: var(--c-green); }
.activity-item__dot--yellow { background: var(--c-yellow); }
.activity-item__dot--red    { background: var(--c-red); }
.activity-item__text { font-size: .85rem; flex: 1; color: var(--c-ink); }
.activity-item__time { font-family: var(--f-mono); font-size: .65rem; color: var(--c-ink-3); white-space: nowrap; }

/* ── BUSCADOR ────────────────────────────────────────────── */
.buscador__filters {
  background: var(--c-surface); border: 1px solid var(--c-rule);
  border-radius: var(--r-md); padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}
.filter-row {
  display: flex; gap: var(--space-md); flex-wrap: wrap;
  margin-bottom: var(--space-md);
}
.filter-row:last-child { margin-bottom: 0; }
.filter-row--chips { align-items: center; }
.filter-chip-label {
  font-size: .75rem; font-weight: 500; letter-spacing: .06em;
  text-transform: uppercase; color: var(--c-ink-2);
  white-space: nowrap;
}
.filter-group {
  display: flex; flex-direction: column; gap: 4px; flex: 1; min-width: 180px;
}
.filter-label {
  font-size: .72rem; font-weight: 500; text-transform: uppercase;
  letter-spacing: .07em; color: var(--c-ink-2);
}
.filter-select {
  border: 1px solid var(--c-rule); background: var(--c-bg);
  padding: 9px 12px; border-radius: var(--r-sm);
  font-size: .85rem; color: var(--c-ink);
  transition: border-color var(--trans);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235A5A5A' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
  padding-right: 36px;
}
.filter-select:focus { outline: none; border-color: var(--c-ink); }

/* chips */
.chip { display: inline-flex; align-items: center; cursor: pointer; }
.chip__input { position: absolute; opacity: 0; width: 0; height: 0; }
.chip__text {
  font-size: .75rem; font-weight: 500; letter-spacing: .04em;
  text-transform: uppercase; padding: 6px 12px;
  border: 1.5px solid var(--c-rule); border-radius: 99px;
  color: var(--c-ink-2); transition: all var(--trans);
  user-select: none;
}
.chip__input:checked + .chip__text {
  background: var(--c-ink); border-color: var(--c-ink); color: #fff;
}
.chip__text:hover { border-color: var(--c-ink); color: var(--c-ink); }

.buscador__count {
  font-family: var(--f-mono); font-size: .75rem; color: var(--c-ink-3);
  letter-spacing: .06em; margin-bottom: var(--space-md);
}
.buscador__count strong { color: var(--c-ink); }

.aulas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-md);
}
.aula-card {
  background: var(--c-surface); border: 1px solid var(--c-rule);
  border-radius: var(--r-md); overflow: hidden;
  transition: box-shadow var(--trans), transform var(--trans);
  cursor: default;
}
.aula-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.aula-card__header {
  padding: var(--space-md) var(--space-md) var(--space-sm);
  display: flex; align-items: flex-start; justify-content: space-between;
  border-bottom: 1px solid var(--c-rule);
}
.aula-card__name {
  font-family: var(--f-display); font-size: 1.4rem; line-height: 1;
  color: var(--c-ink);
}
.aula-card__estado {
  font-family: var(--f-mono); font-size: .62rem; letter-spacing: .1em;
  text-transform: uppercase; padding: 3px 8px; border-radius: 99px;
}
.estado--disponible { background: var(--c-green-lt); color: var(--c-green); }
.estado--mantenimiento { background: var(--c-yellow-lt); color: var(--c-yellow); }
.estado--no-disponible { background: var(--c-red-lt); color: var(--c-red); }
.aula-card__body { padding: var(--space-md); }
.aula-card__meta {
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px;
  margin-bottom: var(--space-sm);
}
.aula-card__meta-item {
  font-size: .78rem; color: var(--c-ink-2);
}
.aula-card__meta-item strong {
  display: block; font-size: .7rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: .06em; color: var(--c-ink-3);
}
.aula-card__tags {
  display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: var(--space-sm);
}
.tag {
  font-family: var(--f-mono); font-size: .62rem; letter-spacing: .06em;
  text-transform: uppercase; padding: 2px 7px;
  border-radius: 2px;
  background: var(--c-bg); border: 1px solid var(--c-rule);
  color: var(--c-ink-2);
}
.aula-card__rating {
  display: flex; align-items: center; gap: 6px;
  font-size: .78rem; color: var(--c-ink-2);
}
.rating-stars { color: var(--c-accent); font-size: .85rem; }

/* ── CALENDARIO ──────────────────────────────────────────── */
.cal__layout {
  display: grid; grid-template-columns: 1fr 360px; gap: var(--space-xl);
  align-items: start;
}
.cal__panel {
  background: var(--c-surface); border: 1px solid var(--c-rule);
  border-radius: var(--r-md); padding: var(--space-lg);
}
.cal__controls {
  display: flex; align-items: center; gap: var(--space-sm);
  margin-bottom: var(--space-md); flex-wrap: wrap;
}
.cal__nav {
  width: 36px; height: 36px; border-radius: var(--r-sm);
  border: 1px solid var(--c-rule); color: var(--c-ink);
  font-size: 1rem; transition: all var(--trans);
  display: flex; align-items: center; justify-content: center;
}
.cal__nav:hover { background: var(--c-ink); color: #fff; }
.cal__month-label {
  flex: 1; text-align: center; font-family: var(--f-display);
  font-size: 1.25rem; color: var(--c-ink);
}
.cal__view-toggle {
  display: flex; border: 1px solid var(--c-rule); border-radius: var(--r-sm); overflow: hidden;
}
.cal__view-btn {
  padding: 6px 14px; font-size: .72rem; font-weight: 500;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--c-ink-2); transition: all var(--trans);
}
.cal__view-btn.active { background: var(--c-ink); color: #fff; }
.cal__days-header {
  display: grid; grid-template-columns: repeat(7,1fr);
  margin-bottom: var(--space-sm);
}
.cal__days-header span {
  text-align: center; font-size: .7rem; font-weight: 500;
  letter-spacing: .08em; text-transform: uppercase; color: var(--c-ink-3);
  padding: 4px 0;
}
.cal__grid {
  display: grid; grid-template-columns: repeat(7,1fr);
  gap: 3px;
}
.cal__day {
  aspect-ratio: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center; border-radius: var(--r-sm);
  font-size: .82rem; cursor: pointer; transition: all var(--trans);
  position: relative; user-select: none;
}
.cal__day--empty { cursor: default; }
.cal__day--avail:hover { background: var(--c-green-lt); }
.cal__day--reserv { background: var(--c-accent-lt); }
.cal__day--event { background: var(--c-yellow-lt); }
.cal__day--today {
  background: var(--c-ink); color: #fff;
}
.cal__day--selected {
  outline: 2px solid var(--c-accent); outline-offset: 1px;
}
.cal__day__dot {
  position: absolute; bottom: 4px; width: 4px; height: 4px;
  border-radius: 50%; background: var(--c-ink-3);
}
.cal__legend {
  display: flex; gap: var(--space-md); margin-top: var(--space-md); flex-wrap: wrap;
}
.cal__leg {
  display: flex; align-items: center; gap: 6px;
  font-size: .72rem; color: var(--c-ink-2); letter-spacing: .04em;
}
.cal__leg-dot {
  width: 10px; height: 10px; border-radius: 50%;
}
.cal__leg-dot--avail  { background: var(--c-green); }
.cal__leg-dot--reserv { background: var(--c-accent); }
.cal__leg-dot--event  { background: var(--c-yellow); }

/* Form shared */
.cal__form-panel, .eq__form {
  background: var(--c-surface); border: 1px solid var(--c-rule);
  border-radius: var(--r-md); padding: var(--space-lg);
}
.cal__form-title, .eq__form-title {
  font-family: var(--f-display); font-size: 1.4rem;
  color: var(--c-ink); margin-bottom: var(--space-lg);
}
.form-field { margin-bottom: var(--space-md); }
.form-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md);
}
.form-label {
  display: block; font-size: .72rem; font-weight: 500;
  letter-spacing: .07em; text-transform: uppercase; color: var(--c-ink-2);
  margin-bottom: 5px;
}
.form-input {
  width: 100%; border: 1px solid var(--c-rule); background: var(--c-bg);
  padding: 10px 12px; border-radius: var(--r-sm);
  font-size: .9rem; color: var(--c-ink);
  transition: border-color var(--trans);
  appearance: none;
}
.form-input:focus { outline: none; border-color: var(--c-ink); }
.form-input.error { border-color: var(--c-red); }
.form-textarea { resize: vertical; min-height: 100px; }
select.form-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235A5A5A' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
  padding-right: 36px;
}

/* reserva list */
.cal__reservas { margin-top: var(--space-xl); }
.cal__reservas-title {
  font-size: .8rem; font-weight: 500; text-transform: uppercase;
  letter-spacing: .08em; color: var(--c-ink-2); margin-bottom: var(--space-md);
}
.res-list { display: flex; flex-direction: column; gap: var(--space-sm); }
.res-item {
  display: flex; align-items: center; gap: var(--space-md);
  background: var(--c-surface); border: 1px solid var(--c-rule);
  border-radius: var(--r-sm); padding: var(--space-sm) var(--space-md);
  animation: slideIn .3s ease;
}
@keyframes slideIn {
  from { opacity: 0; transform: translateX(-10px); }
  to   { opacity: 1; transform: translateX(0); }
}
.res-item__color {
  width: 4px; align-self: stretch; border-radius: 2px; flex-shrink: 0;
  background: var(--c-accent);
}
.res-item__info { flex: 1; }
.res-item__title { font-size: .9rem; font-weight: 500; color: var(--c-ink); }
.res-item__meta { font-family: var(--f-mono); font-size: .65rem; color: var(--c-ink-3); }
.res-item__badge {
  font-family: var(--f-mono); font-size: .62rem; letter-spacing: .08em;
  text-transform: uppercase; padding: 3px 8px; border-radius: 99px;
  background: var(--c-accent-lt); color: var(--c-accent);
}
.res-item__delete {
  width: 28px; height: 28px; border-radius: var(--r-sm);
  border: 1px solid var(--c-rule); color: var(--c-ink-3);
  font-size: .9rem; transition: all var(--trans);
  display: flex; align-items: center; justify-content: center;
}
.res-item__delete:hover { background: var(--c-red-lt); border-color: var(--c-red); color: var(--c-red); }

/* ── EQUIPAMIENTO ────────────────────────────────────────── */
.eq__layout {
  display: grid; grid-template-columns: 1fr 360px; gap: var(--space-xl);
  align-items: start;
}
.eq-cards {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md);
}
.eq-card {
  background: var(--c-surface); border: 1px solid var(--c-rule);
  border-radius: var(--r-md); padding: var(--space-lg);
  transition: box-shadow var(--trans);
}
.eq-card:hover { box-shadow: var(--shadow-md); }
.eq-card__icon {
  font-size: 2rem; margin-bottom: var(--space-md);
  line-height: 1;
}
.eq-card__name {
  font-weight: 500; font-size: 1rem; margin-bottom: 4px;
}
.eq-card__count {
  font-family: var(--f-display); font-size: 2.5rem; line-height: 1;
  color: var(--c-accent); margin-bottom: 4px;
}
.eq-card__label {
  font-family: var(--f-mono); font-size: .65rem; color: var(--c-ink-3);
  letter-spacing: .08em; text-transform: uppercase;
}
.eq-card__bar {
  height: 3px; background: var(--c-rule); border-radius: 99px;
  overflow: hidden; margin-top: var(--space-sm);
}
.eq-card__fill {
  height: 100%; background: var(--c-green); border-radius: 99px;
  transition: width 1.2s cubic-bezier(.4,0,.2,1);
}

/* ── ESTADO ──────────────────────────────────────────────── */
.estado__tabs {
  display: flex; gap: var(--space-sm); margin-bottom: var(--space-lg); flex-wrap: wrap;
}
.estado__tab {
  font-size: .75rem; font-weight: 500; letter-spacing: .06em;
  text-transform: uppercase; padding: 8px 18px;
  border: 1.5px solid var(--c-rule); border-radius: 99px;
  color: var(--c-ink-2); transition: all var(--trans);
}
.estado__tab.active { background: var(--c-ink); border-color: var(--c-ink); color: #fff; }
.estado__tab:hover:not(.active) { border-color: var(--c-ink); color: var(--c-ink); }

.estado__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-sm);
}
.estado-cell {
  border: 1px solid var(--c-rule); border-radius: var(--r-sm);
  padding: var(--space-md);
  display: flex; flex-direction: column; gap: 6px;
  transition: box-shadow var(--trans), transform var(--trans);
}
.estado-cell:hover { box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.estado-cell--disponible  { border-left: 4px solid var(--c-green); }
.estado-cell--advertencia { border-left: 4px solid var(--c-yellow); }
.estado-cell--no-disponible { border-left: 4px solid var(--c-red); }
.estado-cell__name {
  font-weight: 500; font-size: .9rem;
}
.estado-cell__status {
  font-family: var(--f-mono); font-size: .65rem; letter-spacing: .1em;
  text-transform: uppercase;
}
.estado-cell--disponible   .estado-cell__status { color: var(--c-green); }
.estado-cell--advertencia  .estado-cell__status { color: var(--c-yellow); }
.estado-cell--no-disponible .estado-cell__status { color: var(--c-red); }
.estado-cell__detail {
  font-size: .78rem; color: var(--c-ink-2);
}

/* ── AVISOS ──────────────────────────────────────────────── */
.avisos__feed {
  display: flex; flex-direction: column; gap: var(--space-sm);
}
.aviso-item {
  display: flex; gap: var(--space-md);
  background: var(--c-surface); border: 1px solid var(--c-rule);
  border-radius: var(--r-sm); padding: var(--space-md) var(--space-lg);
  transition: box-shadow var(--trans);
}
.aviso-item:hover { box-shadow: var(--shadow-sm); }
.aviso-item--alta   { border-left: 4px solid var(--c-red); }
.aviso-item--media  { border-left: 4px solid var(--c-yellow); }
.aviso-item--baja   { border-left: 4px solid var(--c-green); }
.aviso-item__icon {
  font-size: 1.3rem; flex-shrink: 0; margin-top: 2px;
}
.aviso-item__body { flex: 1; }
.aviso-item__title {
  font-weight: 500; font-size: .95rem; color: var(--c-ink); margin-bottom: 3px;
}
.aviso-item__desc {
  font-size: .82rem; color: var(--c-ink-2); margin-bottom: var(--space-sm);
}
.aviso-item__footer {
  display: flex; gap: var(--space-md); align-items: center; flex-wrap: wrap;
}
.aviso-item__date {
  font-family: var(--f-mono); font-size: .65rem; color: var(--c-ink-3);
  letter-spacing: .06em;
}
.aviso-item__priority {
  font-family: var(--f-mono); font-size: .62rem; letter-spacing: .1em;
  text-transform: uppercase; padding: 2px 8px; border-radius: 99px;
}
.priority--alta  { background: var(--c-red-lt);    color: var(--c-red); }
.priority--media { background: var(--c-yellow-lt);  color: var(--c-yellow); }
.priority--baja  { background: var(--c-green-lt);   color: var(--c-green); }

/* ── RESEÑAS ─────────────────────────────────────────────── */
.resenas__layout {
  display: grid; grid-template-columns: 1fr 360px; gap: var(--space-xl);
  align-items: start;
}
.resenas__list {
  display: flex; flex-direction: column; gap: var(--space-md);
}
.resena-card {
  background: var(--c-surface); border: 1px solid var(--c-rule);
  border-radius: var(--r-md); padding: var(--space-lg);
  transition: box-shadow var(--trans);
  animation: slideIn .3s ease;
}
.resena-card:hover { box-shadow: var(--shadow-sm); }
.resena-card__header {
  display: flex; align-items: center; gap: var(--space-md);
  margin-bottom: var(--space-sm);
}
.resena-card__aula {
  font-family: var(--f-display); font-size: 1.2rem; color: var(--c-ink);
}
.resena-card__stars {
  font-size: 1rem; color: var(--c-accent); letter-spacing: 2px;
}
.resena-card__date {
  font-family: var(--f-mono); font-size: .65rem; color: var(--c-ink-3);
  margin-left: auto; letter-spacing: .06em;
}
.resena-card__text {
  font-size: .88rem; color: var(--c-ink); line-height: 1.6;
  margin-bottom: var(--space-sm);
}
.resena-card__author {
  font-family: var(--f-mono); font-size: .7rem; color: var(--c-ink-3);
  letter-spacing: .06em; text-transform: uppercase;
}
.resenas__form-title {
  font-family: var(--f-display); font-size: 1.4rem; margin-bottom: var(--space-lg);
}

/* star rating */
.star-rating { display: flex; gap: 4px; margin-bottom: 4px; }
.star {
  font-size: 1.5rem; color: var(--c-rule);
  transition: color var(--trans), transform var(--trans);
}
.star:hover, .star.active { color: var(--c-accent); transform: scale(1.1); }

/* ── ESTADÍSTICAS ────────────────────────────────────────── */
.estadisticas { background: var(--c-ink); }
.estadisticas .section__label { color: rgba(255,255,255,.3); }
.estadisticas .section__title { color: #fff; }
.estadisticas .section__head { border-bottom-color: rgba(255,255,255,.1); }

.stats__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-md);
}
.stats__card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--r-md);
  padding: var(--space-lg);
}
.stats__card--wide {
  grid-column: span 1;
}
.stats__card-title {
  font-size: .78rem; font-weight: 500; text-transform: uppercase;
  letter-spacing: .08em; color: rgba(255,255,255,.5);
  margin-bottom: var(--space-lg);
}

/* Bar chart */
.bar-chart {
  display: flex; flex-direction: column; gap: 10px;
}
.bar-row {
  display: flex; align-items: center; gap: var(--space-sm);
}
.bar-row__label {
  font-family: var(--f-mono); font-size: .68rem; color: rgba(255,255,255,.5);
  width: 72px; flex-shrink: 0; letter-spacing: .04em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.bar-row__track {
  flex: 1; height: 6px; background: rgba(255,255,255,.08);
  border-radius: 99px; overflow: hidden;
}
.bar-row__fill {
  height: 100%; background: var(--c-accent); border-radius: 99px;
  transition: width 1.4s cubic-bezier(.4,0,.2,1);
}
.bar-row__val {
  font-family: var(--f-mono); font-size: .68rem; color: rgba(255,255,255,.4);
  width: 28px; text-align: right; flex-shrink: 0;
}

/* Donut chart */
.donut-wrap {
  display: flex; align-items: center; gap: var(--space-xl); flex-wrap: wrap;
}
.donut-svg { flex-shrink: 0; }
.donut-legend {
  display: flex; flex-direction: column; gap: var(--space-sm);
}
.donut-legend-item {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--f-mono); font-size: .72rem; color: rgba(255,255,255,.6);
}
.donut-legend-dot {
  width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
}

/* ── FOOTER ──────────────────────────────────────────────── */
.footer {
  background: var(--c-ink); color: rgba(255,255,255,.6);
  padding: var(--space-xl) 0 var(--space-lg);
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer__inner {
  max-width: var(--max-w); margin: 0 auto;
  padding: 0 var(--space-lg);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-xl);
  align-items: start;
}
.footer__name {
  font-family: var(--f-display); font-size: 1.8rem; color: #fff;
  margin-bottom: 4px;
}
.footer__sub {
  font-size: .8rem; margin-bottom: 4px;
}
.footer__org {
  font-family: var(--f-mono); font-size: .65rem; letter-spacing: .08em;
  text-transform: uppercase; color: rgba(255,255,255,.3);
}
.footer__nav {
  display: flex; flex-wrap: wrap; gap: var(--space-sm); max-width: 400px;
}
.footer__nav a {
  font-size: .75rem; font-weight: 500; letter-spacing: .05em;
  text-transform: uppercase; color: rgba(255,255,255,.4);
  transition: color var(--trans);
}
.footer__nav a:hover { color: #fff; }
.footer__copy {
  grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,.08);
  padding-top: var(--space-md); font-family: var(--f-mono); font-size: .65rem;
  letter-spacing: .08em; color: rgba(255,255,255,.25); text-transform: uppercase;
}

/* ── TOAST ───────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: var(--space-lg); right: var(--space-lg);
  background: var(--c-ink); color: #fff;
  padding: 12px 20px; border-radius: var(--r-sm);
  font-size: .85rem; max-width: 320px;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px); opacity: 0;
  transition: all .3s cubic-bezier(.4,0,.2,1);
  pointer-events: none; z-index: 200;
}
.toast.show { transform: translateY(0); opacity: 1; pointer-events: auto; }
.toast--success { border-left: 4px solid var(--c-green); }
.toast--error   { border-left: 4px solid var(--c-red); }
.toast--info    { border-left: 4px solid var(--c-accent); }

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { max-width: 500px; }
  .cal__layout { grid-template-columns: 1fr; }
  .eq__layout  { grid-template-columns: 1fr; }
  .resenas__layout { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: 1fr 1fr; }
  .stats__card--wide { grid-column: 1 / -1; }
  .dashboard__cards { grid-template-columns: repeat(2,1fr); }
  .footer__inner { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  :root { --space-xl: 48px; --space-2xl: 72px; }
  .nav__links { display: none; }
  .nav__toggle { display: flex; }
  .hero__content { text-align: center; }
  .hero__desc { max-width: 100%; }
  .hero__actions { justify-content: center; }
  .eq-cards { grid-template-columns: 1fr 1fr; }
  .stats__grid { grid-template-columns: 1fr; }
  .dashboard__cards { grid-template-columns: 1fr 1fr; }
  .section__head { grid-template-columns: 1fr; gap: 4px; }
}
@media (max-width: 480px) {
  :root { --space-lg: 20px; --space-xl: 36px; }
  .dashboard__cards { grid-template-columns: 1fr; }
  .eq-cards { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
}

/* ── FOCUS STYLES ────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

/* ── SCROLLBAR ───────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--c-bg); }
::-webkit-scrollbar-thumb { background: var(--c-rule); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--c-ink-3); }

/* ── PRINT ───────────────────────────────────────────────── */
@media print {
  .nav, .hero__ticker, .toast { display: none; }
  .section { break-inside: avoid; }
}