/* ============================================================
   FLOWPARK — flowpark-base.css
   Fuente única de verdad: tokens · reset · app shell completo
   BEM | CSS Grid + Flexbox | Mobile-first
   ============================================================

   REGLA DE ORO — este archivo va PRIMERO en todas las vistas.
   Nunca redefinir aquí: sidebar · topbar · canvas · mobile-nav
   · modales · botones · toasts en archivos de vista individuales.

   Orden de carga obligatorio por vista:
     flowpark-base.css → [vista].css → flowpark-global.css
   ============================================================ */


/* ============================================================
   DESIGN TOKENS — :root
   ============================================================ */
:root {
  /* ── Fondos / Superficies ──────────────────────────────── */
  --color-bg:               #0d0d1c;   /* fondo global */
  --color-surface-low:      #121222;   /* cards y secciones */
  --color-surface:          #18182a;   /* contenedores (alias: surface-container) */
  --color-surface-container:#18182a;   /* alias semántico de surface */
  --color-surface-high:     #1e1e32;   /* elementos elevados */
  --color-surface-dim:      #0a0a17;   /* fondos muy oscuros */

  /* ── Acento principal ──────────────────────────────────── */
  --color-primary:          #cafd00;
  --color-primary-muted:    rgba(202,253,0,.07);
  --color-primary-border:   rgba(202,253,0,.22);

  /* ── Estados ────────────────────────────────────────────── */
  --color-error:            #ff7351;
  --color-error-muted:      rgba(255,115,81,.1);
  --color-error-border:     rgba(255,115,81,.28);

  --color-secondary:        #a19ff9;
  --color-secondary-muted:  rgba(161,159,249,.1);

  --color-tertiary:         #c180ff;
  --color-tertiary-muted:   rgba(193,128,255,.1);

  --color-warning:          #ffb830;
  --color-warning-muted:    rgba(255,184,48,.1);

  /* ── Tipografía ─────────────────────────────────────────── */
  --color-text:             #e6e3f9;   /* alias: on-surface */
  --color-on-surface:       #e6e3f9;
  --color-muted:            #aba9be;   /* alias: on-surface-variant */
  --color-on-surface-variant:#aba9be;

  /* ── Bordes ─────────────────────────────────────────────── */
  --color-outline:          rgba(71,70,88,.18);
  --color-outline-strong:   rgba(71,70,88,.35);

  /* ── Bordes radius ──────────────────────────────────────── */
  --r-sm:   .375rem;
  --r-md:   .625rem;
  --r-lg:   1rem;
  --r-xl:   1.5rem;
  --r-full: 9999px;

  /* ── Layout (vistas con sidebar) ────────────────────────── */
  --sidebar-w:      256px;
  --sidebar-width:  256px;   /* alias por compatibilidad */
  --topbar-h:       64px;
  --topbar-height:  64px;    /* alias por compatibilidad */
  --mobile-nav:     66px;
  --mobile-nav-h:   68px;    /* alias por compatibilidad */

  /* ── Misc ────────────────────────────────────────────────── */
  --font: 'Manrope', sans-serif;
  --ease: .2s ease;
}


/* ============================================================
   RESET
   ============================================================ */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a      { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; color: inherit; }
input, select, textarea { font-family: inherit; }
img    { display: block; max-width: 100%; }

.hidden, [hidden] { display: none !important; }

/* Scrollbar global */
::-webkit-scrollbar       { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { background: var(--color-surface-high); border-radius: 99px; }

/* Material Symbols base */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0,'wght' 400,'GRAD' 0,'opsz' 24;
  line-height: 1;
  vertical-align: middle;
  user-select: none;
}


/* ============================================================
   APP SHELL — .app
   ============================================================ */
.app { display: flex; min-height: 100vh; }


/* ============================================================
   SIDEBAR OVERLAY  (drawer backdrop en móvil)
   ============================================================ */
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.65);
  z-index: 49;
  backdrop-filter: blur(3px);
}
.sidebar-overlay--visible { display: block; }


/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
  position: fixed; top: 0; left: 0;
  width: var(--sidebar-w); height: 100vh;
  background: var(--color-bg);
  border-right: 1px solid var(--color-outline);
  display: flex; flex-direction: column;
  padding: 1.5rem 0;
  z-index: 50;
  transition: transform var(--ease);
  overflow: hidden;
}

/* Brand */
.sidebar__brand   { padding: 0 2rem; margin-bottom: 2.5rem; }
.sidebar__logo    { font-size: 1.25rem; font-weight: 900; color: var(--color-primary); letter-spacing: .06em; text-transform: uppercase; }
.sidebar__tagline { font-size: .6rem; color: var(--color-muted); letter-spacing: .12em; text-transform: uppercase; margin-top: .2rem; }

/* Nav */
.sidebar__nav { flex: 1; display: flex; flex-direction: column; gap: .35rem; padding: 0 1rem; }

.sidebar__nav-item {
  display: flex; align-items: center; gap: .875rem;
  padding: .7rem 1rem; border-radius: var(--r-md);
  color: var(--color-muted);
  font-size: .78rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  transition: background var(--ease), color var(--ease), transform var(--ease);
}
.sidebar__nav-item:hover  { background: var(--color-surface); color: var(--color-primary); }
.sidebar__nav-item:active { transform: translateX(3px); }
.sidebar__nav-item--active {
  background: var(--color-surface-container);
  color: var(--color-primary);
  font-weight: 700;
  border-right: 3px solid var(--color-primary);
}
.sidebar__nav-item[aria-current="page"] {
  background: var(--color-surface-container);
  color: var(--color-primary);
  font-weight: 700;
  border-right: 3px solid var(--color-primary);
}

/* User block */
.sidebar__user {
  margin: 0 1rem;
  padding: .7rem 1rem;
  background: var(--color-surface-low);
  border-radius: var(--r-md);
  display: flex; align-items: center; gap: .75rem;
}
.sidebar__user-avatar { width: 2.25rem; height: 2.25rem; border-radius: var(--r-full); object-fit: cover; }
.sidebar__user-info   { flex: 1; min-width: 0; }
.sidebar__user-name   { font-size: .75rem; font-weight: 700; color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar__user-role   { font-size: .58rem; color: var(--color-muted); }


/* ============================================================
   MAIN
   ============================================================ */
.main {
  margin-left: var(--sidebar-w);
  flex: 1; min-width: 0; min-height: 100vh;
  display: flex; flex-direction: column;
  background-image: radial-gradient(circle at 2px 2px, rgba(71,70,88,.13) 1px, transparent 0);
  background-size: 30px 30px;
}


/* ============================================================
   TOPBAR
   ============================================================ */
.topbar {
  position: sticky; top: 0; z-index: 40;
  height: var(--topbar-h);
  background: var(--color-bg);
  box-shadow: 0 1px 0 var(--color-outline);
  padding: 0 1.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  flex-shrink: 0;
}

.topbar__left    { display: flex; align-items: center; gap: .75rem; flex: 1; min-width: 0; }
.topbar__actions { display: flex; align-items: center; gap: 1.25rem; flex-shrink: 0; }

/* Hamburger */
.topbar__menu-btn {
  display: none;
  align-items: center; justify-content: center;
  width: 2.25rem; height: 2.25rem;
  border-radius: var(--r-sm);
  color: var(--color-muted); flex-shrink: 0;
  transition: background var(--ease), color var(--ease);
}
.topbar__menu-btn:hover { background: var(--color-surface-container); color: #fff; }

/* Breadcrumb */
.topbar__breadcrumb         { display: flex; align-items: center; gap: .25rem; }
.topbar__breadcrumb-parent  { font-size: .8rem; color: var(--color-muted); font-weight: 600; }
.topbar__breadcrumb-sep     { font-size: 1rem; color: var(--color-muted); opacity: .5; }
.topbar__breadcrumb-current { font-size: .85rem; font-weight: 800; color: var(--color-primary); letter-spacing: .02em; }

/* Search (exclusivo dashboard — se puede usar en otras vistas) */
.topbar__search      { position: relative; display: flex; align-items: center; flex: 1; max-width: 22rem; }
.topbar__search-icon { position: absolute; left: .75rem; color: var(--color-on-surface-variant); font-size: 1rem; pointer-events: none; }
.topbar__search-input {
  width: 100%; background: var(--color-surface-low);
  border: none; border-radius: var(--r-full);
  padding: .4rem 1rem .4rem 2.4rem;
  font-size: .85rem; font-family: var(--font);
  color: var(--color-on-surface); outline: none;
  transition: box-shadow var(--ease);
}
.topbar__search-input:focus       { box-shadow: 0 0 0 1.5px var(--color-primary); }
.topbar__search-input::placeholder { color: var(--color-on-surface-variant); }

/* Notification bell */
.topbar__notification-btn {
  position: relative; display: flex; align-items: center;
  color: var(--color-on-surface-variant);
  transition: color var(--ease), transform var(--ease);
}
.topbar__notification-btn:hover  { color: #fff; }
.topbar__notification-btn:active { transform: scale(.92); }

.topbar__notification-dot {
  position: absolute; top: -3px; right: -3px;
  width: 7px; height: 7px;
  background: var(--color-primary); border-radius: var(--r-full);
}

/* Divider */
.topbar__divider { width: 1px; height: 1.75rem; background: var(--color-on-surface-variant); opacity: .18; }

/* Node indicator */
.topbar__node       { display: flex; align-items: center; gap: .45rem; }
.topbar__node-label { font-size: .72rem; font-weight: 700; letter-spacing: .05em; color: var(--color-primary); }
.topbar__node-pulse {
  width: 7px; height: 7px;
  background: var(--color-primary); border-radius: var(--r-full);
  animation: fpNodePulse 1.6s ease-in-out infinite;
}

@keyframes fpNodePulse { 0%,100%{opacity:1} 50%{opacity:.25} }


/* ============================================================
   BOTONES GLOBALES
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .5rem 1rem; border-radius: var(--r-md);
  font-size: .78rem; font-weight: 700; letter-spacing: .03em;
  transition: background var(--ease), color var(--ease), transform var(--ease), box-shadow var(--ease);
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }

.btn--primary { background: var(--color-primary); color: #0d0d1c; }
.btn--primary:hover { background: #d4ff10; box-shadow: 0 0 18px rgba(202,253,0,.3); }

.btn--ghost { background: transparent; color: var(--color-muted); border: 1px solid var(--color-outline-strong); }
.btn--ghost:hover { background: var(--color-surface); color: var(--color-text); }

.btn--sm { padding: .35rem .7rem; font-size: .72rem; }

.btn--danger { background: var(--color-error-muted); color: var(--color-error); border: 1px solid var(--color-error-border); }
.btn--danger:hover { background: rgba(255,115,81,.18); }

.icon-btn {
  display: flex; align-items: center; justify-content: center;
  width: 2rem; height: 2rem;
  border-radius: var(--r-sm);
  color: var(--color-muted);
  transition: background var(--ease), color var(--ease);
}
.icon-btn:hover { background: var(--color-surface-high); color: #fff; }


/* ============================================================
   CANVAS
   ============================================================ */
.canvas {
  padding: 1.5rem;
  display: flex; flex-direction: column; gap: 1.5rem;
  flex: 1; min-width: 0;
}


/* ============================================================
   TOAST
   ============================================================ */
.toast-container {
  position: fixed;
  bottom: calc(var(--mobile-nav-h) + 1rem);
  right: 1.25rem;
  z-index: 300;
  display: flex; flex-direction: column; gap: .5rem;
  pointer-events: none;
}

.toast {
  display: flex; align-items: center; gap: .6rem;
  padding: .65rem 1rem;
  background: var(--color-surface-high);
  border-radius: var(--r-md);
  border: 1px solid var(--color-outline);
  box-shadow: 0 4px 24px rgba(0,0,0,.4);
  font-size: .75rem; font-weight: 600;
  min-width: 220px; max-width: 320px;
  pointer-events: all;
  opacity: 0; transform: translateY(8px) scale(.96);
  transition: opacity .25s ease, transform .25s ease;
}
.toast--visible { opacity: 1; transform: none; }

.toast__icon  { font-size: 1rem; flex-shrink: 0; }
.toast__msg   { flex: 1; min-width: 0; color: var(--color-on-surface); }
.toast__close { color: var(--color-on-surface-variant); flex-shrink: 0; transition: color var(--ease); }
.toast__close .material-symbols-outlined { font-size: .85rem; }
.toast__close:hover { color: #fff; }

.toast--success { border-color: var(--color-primary-border); }
.toast--error   { border-color: var(--color-error-border); }
.toast--warning { border-color: rgba(255,184,48,.3); }
.toast--info    { border-color: rgba(161,159,249,.25); }

.toast--success .toast__icon { color: var(--color-primary); }
.toast--error   .toast__icon { color: var(--color-error); }
.toast--warning .toast__icon { color: var(--color-warning); }
.toast--info    .toast__icon { color: var(--color-secondary); }


/* ============================================================
   MODALES BASE
   ============================================================ */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.7);
  z-index: 100;
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
  backdrop-filter: blur(4px);
  animation: fpFadeIn .18s ease;
}
@keyframes fpFadeIn { from { opacity: 0 } to { opacity: 1 } }

.modal {
  background: var(--color-surface-low);
  border: 1px solid var(--color-outline-strong);
  border-radius: var(--r-xl);
  width: 100%; max-width: 540px;
  max-height: 90vh; overflow-y: auto;
  animation: fpSlideUp .2s ease;
}
.modal--wide { max-width: 640px; }
@keyframes fpSlideUp { from { transform: translateY(16px); opacity: 0 } to { transform: translateY(0); opacity: 1 } }

.modal__header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--color-outline);
}
.modal__title {
  display: flex; align-items: center; gap: .5rem;
  font-size: 1rem; font-weight: 800; color: #fff;
}
.modal__title .material-symbols-outlined { color: var(--color-primary); font-size: 1.1rem; }
.modal__body   { padding: 1.5rem; }
.modal__footer {
  display: flex; justify-content: flex-end; gap: .75rem;
  padding: 1rem 1.5rem; border-top: 1px solid var(--color-outline);
}

/* Confirm modal */
.confirm-modal { max-width: 380px; }
.confirm-modal .modal__body { text-align: center; padding: 1.75rem 1.5rem; }
.confirm-icon {
  width: 3.5rem; height: 3.5rem; border-radius: var(--r-full);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto .875rem;
}
.confirm-icon--danger  { background: var(--color-error-muted); }
.confirm-icon--danger .material-symbols-outlined  { color: var(--color-error);   font-size: 1.5rem; }
.confirm-icon--warning { background: var(--color-warning-muted); }
.confirm-icon--warning .material-symbols-outlined { color: var(--color-warning); font-size: 1.5rem; }
.confirm-title { font-size: .95rem; font-weight: 800; color: #fff; margin-bottom: .4rem; }
.confirm-msg   { font-size: .78rem; color: var(--color-muted); line-height: 1.5; }


/* ============================================================
   FORMULARIOS BASE
   ============================================================ */
.form-grid  { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-field { display: flex; flex-direction: column; gap: .4rem; }
.form-field--full { grid-column: 1 / -1; }

.form-field__label { font-size: .65rem; font-weight: 700; color: var(--color-muted); text-transform: uppercase; letter-spacing: .07em; }
.form-field__label--required::after { content: ' *'; color: var(--color-error); }

.form-field__input {
  background: var(--color-surface);
  border: 1px solid var(--color-outline-strong); border-radius: var(--r-md);
  padding: .5rem .75rem; font-size: .82rem; color: var(--color-text);
  outline: none; width: 100%;
  transition: border-color var(--ease), box-shadow var(--ease);
}
.form-field__input:focus       { border-color: var(--color-primary); box-shadow: 0 0 0 2px rgba(202,253,0,.1); }
.form-field__input::placeholder { color: var(--color-muted); }
.form-field__textarea { resize: vertical; min-height: 72px; }
.form-field__hint     { font-size: .62rem; color: var(--color-muted); }

.form-divider {
  grid-column: 1 / -1;
  display: flex; align-items: center; gap: .75rem;
  font-size: .6rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--color-muted);
  margin: .25rem 0;
}
.form-divider::before, .form-divider::after { content: ''; flex: 1; height: 1px; background: var(--color-outline); }


/* ============================================================
   MOBILE NAV
   ============================================================ */
.mobile-nav {
  display: none;
  position: fixed; bottom: 0; left: 0; width: 100%;
  background: var(--color-surface-container);
  justify-content: space-around; align-items: center;
  padding: .75rem 1rem;
  height: var(--mobile-nav);
  z-index: 45;
  border-top: 1px solid var(--color-outline);
}
.mobile-nav__item {
  display: flex; flex-direction: column; align-items: center; gap: .2rem;
  color: var(--color-on-surface-variant);
  padding: .25rem .75rem; border-radius: var(--r-md); flex: 1;
  transition: color var(--ease), background var(--ease);
}
.mobile-nav__item:hover   { color: var(--color-primary); background: rgba(202,253,0,.06); }
.mobile-nav__item--active { color: var(--color-primary); }
.mobile-nav__item[aria-current="page"] { color: var(--color-primary); }
.mobile-nav__label { font-size: .6rem; font-weight: 700; }


/* ============================================================
   RESPONSIVE — BREAKPOINTS DEL SHELL
   ============================================================ */

/* ── < 1100px  (tablet landscape) ─────────────────────────── */
@media (max-width: 1099px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar--open { transform: translateX(0); }
  .main { margin-left: 0; }
  .topbar__menu-btn { display: flex; }
}

/* ── < 860px  (tablet portrait) ───────────────────────────── */
@media (max-width: 859px) {
  .mobile-nav { display: flex; }
  .canvas { padding-bottom: calc(var(--mobile-nav) + 1.5rem); }
  .toast-container { bottom: calc(var(--mobile-nav) + .75rem); right: .75rem; }
}

/* ── < 600px  (móvil) ──────────────────────────────────────── */
@media (max-width: 599px) {
  .canvas   { padding: 1rem; padding-bottom: calc(var(--mobile-nav) + 1rem); gap: 1rem; }
  .topbar   { padding: 0 1rem; }
  .topbar__divider           { display: none; }
  .topbar__notification-btn  { display: none; }
  .topbar__node              { display: none; }
  .topbar__breadcrumb-parent { display: none; }
  .topbar__breadcrumb-sep    { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  .modal { max-width: 100%; margin: .5rem; border-radius: var(--r-lg); }
}

/* ── < 400px  (móvil pequeño) ──────────────────────────────── */
@media (max-width: 399px) {
  .topbar__breadcrumb-current { font-size: .78rem; }
  .topbar__node-label         { display: none; }
}