/* ═══════════════════════════════════════════════════
   KITCHAIN — Design System CSS
   Fuente única de verdad visual para todo el MVP.
   Importar en index.html ANTES de cualquier otro CSS.
   ═══════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

/* ─── TOKENS DE COLOR ─── */
:root {
  /* Gradiente de marca */
  --kit-violet:         #6A62EE;
  --kit-violet-mid:     #5D78F0;
  --kit-blue-mid:       #4E88F0;
  --kit-cyan-mid:       #2FAAEB;
  --kit-cyan:           #1BBDE8;
  --kit-gradient:       linear-gradient(90deg, #6A62EE, #1BBDE8);

  /* Fondos modo oscuro (lienzo primario) */
  --kit-deep-navy:      #050810;
  --kit-navy:           #080C1E;
  --kit-navy-surface:   #0D1230;
  --kit-navy-card:      #141840;
  --kit-navy-elevated:  #1C2055;

  /* Fondos modo claro */
  --kit-off-white:      #F4F5FA;
  --kit-surface:        #ECEEF6;
  --kit-card:           #E2E5F2;
  --kit-border:         #D4D8EE;
  --kit-border-strong:  #B8BFE0;
  --kit-ink:            #12132A;

  /* Estados funcionales */
  --kit-success:        #22C55E;
  --kit-success-bg:     #DCFCE7;
  --kit-warning:        #F59E0B;
  --kit-warning-bg:     #FEF9EE;
  --kit-error:          #EF4444;
  --kit-error-bg:       #FEE2E2;
  --kit-ghost-violet:   #E4E2FF;
  --kit-ghost-cyan:     #D6E4FF;

  /* Texto — modo oscuro */
  --kit-text-dark-1:    rgba(255, 255, 255, 1);
  --kit-text-dark-2:    rgba(255, 255, 255, 0.42);
  --kit-text-dark-3:    rgba(255, 255, 255, 0.22);

  /* Texto — modo claro */
  --kit-text-light-1:   rgba(18, 19, 42, 1);
  --kit-text-light-2:   rgba(18, 19, 42, 0.46);
  --kit-text-light-3:   rgba(18, 19, 42, 0.24);

  /* ─── TIPOGRAFÍA ─── */
  --kit-font:           'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  --kit-fw-display:     700;
  --kit-fw-heading:     600;
  --kit-fw-body:        400;
  --kit-fw-light:       300;

  --kit-fs-hero:        32px;
  --kit-fs-h1:          24px;
  --kit-fs-h2:          20px;
  --kit-fs-h3:          16px;
  --kit-fs-body:        14px;
  --kit-fs-small:       12px;
  --kit-fs-caption:     10px;
  --kit-fs-eyebrow:     9px;

  --kit-lh-tight:       1.2;
  --kit-lh-normal:      1.5;
  --kit-lh-relaxed:     1.7;

  --kit-ls-wordmark:    -0.03em;
  --kit-ls-eyebrow:     0.2em;
  --kit-ls-tagline:     0.18em;

  /* ─── ESPACIADO ─── */
  --kit-space-xs:       4px;
  --kit-space-sm:       8px;
  --kit-space-md:       12px;
  --kit-space-lg:       16px;
  --kit-space-xl:       24px;
  --kit-space-2xl:      32px;
  --kit-space-3xl:      48px;
  --kit-space-section:  48px;

  /* ─── RADIOS ─── */
  --kit-radius-card:    12px;
  --kit-radius-button:  8px;
  --kit-radius-chip:    20px;
  --kit-radius-input:   8px;
  --kit-radius-modal:   16px;

  /* ─── SOMBRAS (sutiles, no decorativas) ─── */
  --kit-shadow-sm:      0 1px 2px rgba(8, 12, 30, 0.06);
  --kit-shadow-md:      0 2px 8px rgba(8, 12, 30, 0.08);
  --kit-shadow-lg:      0 4px 16px rgba(8, 12, 30, 0.10);

  /* ─── TRANSICIONES ─── */
  --kit-transition:     150ms ease;
  --kit-transition-slow: 300ms ease;

  /* ─── STROKES (ícono) ─── */
  --kit-stroke-outer:   1.8px;
  --kit-stroke-mid:     0.8px;
  --kit-stroke-inner:   0.7px;
}

/* ═══════════════════════════════════════════════════
   BASE RESET Y DEFAULTS
   ═══════════════════════════════════════════════════ */

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

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--kit-font);
  font-weight: var(--kit-fw-body);
  color: var(--kit-text-light-1);
  background: var(--kit-off-white);
  line-height: var(--kit-lh-normal);
}

/* ═══════════════════════════════════════════════════
   TIPOGRAFÍA
   ═══════════════════════════════════════════════════ */

h1, .kit-h1 {
  font-size: var(--kit-fs-h1);
  font-weight: var(--kit-fw-display);
  line-height: var(--kit-lh-tight);
  color: var(--kit-text-light-1);
  letter-spacing: -0.01em;
}

h2, .kit-h2 {
  font-size: var(--kit-fs-h2);
  font-weight: var(--kit-fw-heading);
  line-height: var(--kit-lh-tight);
  color: var(--kit-text-light-1);
}

h3, .kit-h3 {
  font-size: var(--kit-fs-h3);
  font-weight: var(--kit-fw-heading);
  line-height: var(--kit-lh-tight);
  color: var(--kit-text-light-1);
}

p, .kit-body {
  font-size: var(--kit-fs-body);
  font-weight: var(--kit-fw-body);
  line-height: var(--kit-lh-relaxed);
  color: var(--kit-text-light-2);
}

.kit-small {
  font-size: var(--kit-fs-small);
  color: var(--kit-text-light-2);
}

.kit-caption {
  font-size: var(--kit-fs-caption);
  color: var(--kit-text-light-3);
}

.kit-eyebrow {
  font-size: var(--kit-fs-eyebrow);
  font-weight: var(--kit-fw-heading);
  letter-spacing: var(--kit-ls-eyebrow);
  text-transform: uppercase;
  color: var(--kit-text-light-3);
}

.kit-gradient-text {
  background: var(--kit-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ═══════════════════════════════════════════════════
   COMPONENTES BASE — BOTONES
   ═══════════════════════════════════════════════════ */

.kit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--kit-space-sm);
  padding: 10px 20px;
  font-family: var(--kit-font);
  font-size: var(--kit-fs-body);
  font-weight: var(--kit-fw-heading);
  border: none;
  border-radius: var(--kit-radius-button);
  cursor: pointer;
  transition: all var(--kit-transition);
  text-decoration: none;
  line-height: 1;
}

.kit-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Primario — gradiente de marca */
.kit-btn-primary {
  background: var(--kit-gradient);
  color: #fff;
}
.kit-btn-primary:hover:not(:disabled) {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* Secundario — borde violet */
.kit-btn-secondary {
  background: transparent;
  color: var(--kit-violet);
  border: 1.5px solid var(--kit-violet);
}
.kit-btn-secondary:hover:not(:disabled) {
  background: var(--kit-ghost-violet);
}

/* Ghost — sin borde */
.kit-btn-ghost {
  background: transparent;
  color: var(--kit-text-light-2);
}
.kit-btn-ghost:hover:not(:disabled) {
  background: var(--kit-surface);
  color: var(--kit-text-light-1);
}

/* Danger */
.kit-btn-danger {
  background: var(--kit-error);
  color: #fff;
}
.kit-btn-danger:hover:not(:disabled) {
  background: #DC2626;
}

/* Success */
.kit-btn-success {
  background: var(--kit-success);
  color: #fff;
}
.kit-btn-success:hover:not(:disabled) {
  background: #16A34A;
}

/* Tamaños */
.kit-btn-sm {
  padding: 6px 12px;
  font-size: var(--kit-fs-small);
}

.kit-btn-lg {
  padding: 14px 28px;
  font-size: var(--kit-fs-h3);
}

/* ═══════════════════════════════════════════════════
   COMPONENTES BASE — CARDS
   ═══════════════════════════════════════════════════ */

.kit-card {
  background: #fff;
  border: 1px solid var(--kit-border);
  border-radius: var(--kit-radius-card);
  padding: var(--kit-space-xl);
  transition: box-shadow var(--kit-transition);
}

.kit-card:hover {
  box-shadow: var(--kit-shadow-md);
}

/* Card con acento superior */
.kit-card-accent { border-top: 3px solid var(--kit-violet); }
.kit-card-accent-cyan { border-top: 3px solid var(--kit-cyan); }
.kit-card-accent-success { border-top: 3px solid var(--kit-success); }
.kit-card-accent-warning { border-top: 3px solid var(--kit-warning); }
.kit-card-accent-error { border-top: 3px solid var(--kit-error); }

/* Card navy (modo oscuro) */
.kit-card-dark {
  background: var(--kit-navy);
  border: 1px solid var(--kit-navy-card);
  color: var(--kit-text-dark-1);
}
.kit-card-dark p,
.kit-card-dark .kit-body { color: var(--kit-text-dark-2); }
.kit-card-dark .kit-small,
.kit-card-dark .kit-caption { color: var(--kit-text-dark-3); }

/* Card surface */
.kit-card-surface {
  background: var(--kit-surface);
  border: 1px solid var(--kit-border);
}

/* KPI card */
.kit-kpi {
  display: flex;
  flex-direction: column;
  gap: var(--kit-space-xs);
}
.kit-kpi-label {
  font-size: var(--kit-fs-eyebrow);
  font-weight: var(--kit-fw-heading);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--kit-text-light-3);
}
.kit-kpi-value {
  font-size: 28px;
  font-weight: var(--kit-fw-display);
  color: var(--kit-text-light-1);
  line-height: 1;
}
.kit-kpi-desc {
  font-size: var(--kit-fs-caption);
  color: var(--kit-text-light-3);
}

/* ═══════════════════════════════════════════════════
   COMPONENTES BASE — INPUTS
   ═══════════════════════════════════════════════════ */

.kit-input {
  width: 100%;
  padding: 10px 14px;
  font-family: var(--kit-font);
  font-size: var(--kit-fs-body);
  font-weight: var(--kit-fw-body);
  color: var(--kit-text-light-1);
  background: #fff;
  border: 1.5px solid var(--kit-border);
  border-radius: var(--kit-radius-input);
  outline: none;
  transition: border-color var(--kit-transition);
}

.kit-input:focus {
  border-color: var(--kit-violet);
  box-shadow: 0 0 0 3px rgba(106, 98, 238, 0.12);
}

.kit-input::placeholder {
  color: var(--kit-text-light-3);
  font-weight: var(--kit-fw-light);
}

.kit-input:disabled {
  background: var(--kit-surface);
  color: var(--kit-text-light-3);
  cursor: not-allowed;
}

.kit-input-error {
  border-color: var(--kit-error);
}
.kit-input-error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

/* Select */
.kit-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B7394' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* Label */
.kit-label {
  display: block;
  font-size: var(--kit-fs-small);
  font-weight: var(--kit-fw-heading);
  color: var(--kit-text-light-1);
  margin-bottom: var(--kit-space-xs);
}

/* ═══════════════════════════════════════════════════
   COMPONENTES BASE — BADGES / CHIPS
   ═══════════════════════════════════════════════════ */

.kit-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: var(--kit-fw-heading);
  border-radius: var(--kit-radius-chip);
  line-height: 1.3;
}

.kit-badge-success { background: var(--kit-success-bg); color: #166534; }
.kit-badge-warning { background: var(--kit-warning-bg); color: #92400E; }
.kit-badge-error   { background: var(--kit-error-bg);   color: #991B1B; }
.kit-badge-violet  { background: var(--kit-ghost-violet); color: var(--kit-violet); }
.kit-badge-cyan    { background: var(--kit-ghost-cyan);   color: #1E40AF; }
.kit-badge-neutral { background: var(--kit-surface);      color: var(--kit-text-light-2); }

/* ═══════════════════════════════════════════════════
   COMPONENTES BASE — TABLAS
   ═══════════════════════════════════════════════════ */

.kit-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--kit-fs-small);
}

.kit-table th {
  font-size: var(--kit-fs-eyebrow);
  font-weight: var(--kit-fw-heading);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--kit-text-dark-2);
  text-align: left;
  padding: 10px 12px;
  background: var(--kit-navy);
}

.kit-table th:first-child { border-radius: var(--kit-radius-button) 0 0 0; }
.kit-table th:last-child  { border-radius: 0 var(--kit-radius-button) 0 0; }

.kit-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--kit-surface);
  color: var(--kit-text-light-1);
}

.kit-table tr:hover td {
  background: var(--kit-ghost-cyan);
}

.kit-table tr:last-child td {
  border-bottom: none;
}

/* ═══════════════════════════════════════════════════
   COMPONENTES BASE — TOPBAR
   ═══════════════════════════════════════════════════ */

.kit-topbar {
  height: 56px;
  background: var(--kit-navy);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--kit-space-xl);
  flex-shrink: 0;
  border-bottom: 2px solid transparent;
  border-image: var(--kit-gradient) 1;
}

.kit-topbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.kit-topbar-logo {
  font-size: 18px;
  font-weight: var(--kit-fw-display);
  color: #fff;
  letter-spacing: var(--kit-ls-wordmark);
}

.kit-topbar-logo span {
  background: var(--kit-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ═══════════════════════════════════════════════════
   COMPONENTES BASE — SIDEBAR / NAV
   ═══════════════════════════════════════════════════ */

.kit-sidebar {
  position: fixed;
  top: 56px;
  left: 0;
  width: 220px;
  bottom: 0;
  background: var(--kit-navy);
  padding: var(--kit-space-lg) 0;
  overflow-y: auto;
  z-index: 90;
}

.kit-sidebar-label {
  font-size: var(--kit-fs-eyebrow);
  font-weight: var(--kit-fw-heading);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--kit-text-dark-3);
  padding: var(--kit-space-sm) var(--kit-space-lg);
}

.kit-sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--kit-space-sm);
  padding: var(--kit-space-sm) var(--kit-space-lg);
  cursor: pointer;
  transition: background var(--kit-transition);
  font-size: var(--kit-fs-small);
  color: var(--kit-text-dark-2);
  text-decoration: none;
}

.kit-sidebar-item:hover {
  background: var(--kit-navy-surface);
}

.kit-sidebar-item.active {
  background: var(--kit-navy-surface);
  color: var(--kit-text-dark-1);
}

.kit-sidebar-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.kit-dot-violet  { background: var(--kit-violet); }
.kit-dot-cyan    { background: var(--kit-cyan); }
.kit-dot-success { background: var(--kit-success); }
.kit-dot-warning { background: var(--kit-warning); }
.kit-dot-error   { background: var(--kit-error); }
.kit-dot-blue    { background: var(--kit-blue-mid); }

/* ═══════════════════════════════════════════════════
   COMPONENTES — TOAST / NOTIFICACIONES
   ═══════════════════════════════════════════════════ */

.kit-toast {
  position: fixed;
  top: 72px;
  right: 24px;
  padding: 14px 20px;
  border-radius: var(--kit-radius-card);
  font-size: var(--kit-fs-small);
  font-weight: var(--kit-fw-heading);
  z-index: 200;
  animation: kit-toast-in 0.3s ease;
  max-width: 380px;
  box-shadow: var(--kit-shadow-lg);
}

.kit-toast-success { background: var(--kit-navy); color: var(--kit-success); border-left: 4px solid var(--kit-success); }
.kit-toast-warning { background: var(--kit-navy); color: var(--kit-warning); border-left: 4px solid var(--kit-warning); }
.kit-toast-error   { background: var(--kit-navy); color: var(--kit-error);   border-left: 4px solid var(--kit-error); }
.kit-toast-info    { background: var(--kit-navy); color: var(--kit-cyan);    border-left: 4px solid var(--kit-cyan); }

@keyframes kit-toast-in {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

/* ═══════════════════════════════════════════════════
   COMPONENTES — MODAL
   ═══════════════════════════════════════════════════ */

.kit-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 12, 30, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 150;
}

.kit-modal {
  background: #fff;
  border-radius: var(--kit-radius-modal);
  padding: var(--kit-space-2xl);
  max-width: 520px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--kit-shadow-lg);
}

.kit-modal-title {
  font-size: var(--kit-fs-h2);
  font-weight: var(--kit-fw-display);
  margin-bottom: var(--kit-space-lg);
}

/* ═══════════════════════════════════════════════════
   COMPONENTES — INSIGHT / ALERT BLOCK
   ═══════════════════════════════════════════════════ */

.kit-insight {
  border-left: 3px solid var(--kit-cyan);
  background: var(--kit-surface);
  border-radius: 0 var(--kit-radius-card) var(--kit-radius-card) 0;
  padding: var(--kit-space-lg) var(--kit-space-xl);
  margin: var(--kit-space-lg) 0;
}

.kit-insight-violet  { border-left-color: var(--kit-violet); }
.kit-insight-success { border-left-color: var(--kit-success); }
.kit-insight-warning { border-left-color: var(--kit-warning); }
.kit-insight-error   { border-left-color: var(--kit-error); }

.kit-insight-tag {
  font-size: var(--kit-fs-eyebrow);
  font-weight: var(--kit-fw-heading);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--kit-cyan);
  margin-bottom: var(--kit-space-xs);
}

.kit-insight-title {
  font-size: var(--kit-fs-body);
  font-weight: var(--kit-fw-heading);
  color: var(--kit-text-light-1);
  margin-bottom: var(--kit-space-xs);
}

.kit-insight-body {
  font-size: var(--kit-fs-small);
  color: var(--kit-text-light-2);
  line-height: var(--kit-lh-relaxed);
}

/* ═══════════════════════════════════════════════════
   COMPONENTES — HERO BLOCK (modo oscuro)
   ═══════════════════════════════════════════════════ */

.kit-hero {
  background: var(--kit-navy);
  border-radius: var(--kit-radius-modal);
  padding: var(--kit-space-3xl) var(--kit-space-2xl);
  position: relative;
  overflow: hidden;
}

.kit-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--kit-gradient);
}

.kit-hero-eyebrow {
  font-size: var(--kit-fs-eyebrow);
  font-weight: var(--kit-fw-light);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--kit-text-dark-3);
  margin-bottom: var(--kit-space-sm);
}

.kit-hero-title {
  font-size: var(--kit-fs-hero);
  font-weight: var(--kit-fw-display);
  color: var(--kit-text-dark-1);
  line-height: var(--kit-lh-tight);
}

.kit-hero-sub {
  font-size: var(--kit-fs-body);
  font-weight: var(--kit-fw-light);
  color: var(--kit-text-dark-2);
  margin-top: var(--kit-space-sm);
}

/* ═══════════════════════════════════════════════════
   LAYOUTS UTILITARIOS
   ═══════════════════════════════════════════════════ */

.kit-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--kit-space-md); }
.kit-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--kit-space-md); }
.kit-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--kit-space-md); }

.kit-flex     { display: flex; }
.kit-flex-col { display: flex; flex-direction: column; }
.kit-flex-center { display: flex; align-items: center; justify-content: center; }
.kit-flex-between { display: flex; align-items: center; justify-content: space-between; }
.kit-gap-sm  { gap: var(--kit-space-sm); }
.kit-gap-md  { gap: var(--kit-space-md); }
.kit-gap-lg  { gap: var(--kit-space-lg); }
.kit-gap-xl  { gap: var(--kit-space-xl); }

/* Spacing utilities */
.kit-mt-sm  { margin-top: var(--kit-space-sm); }
.kit-mt-md  { margin-top: var(--kit-space-md); }
.kit-mt-lg  { margin-top: var(--kit-space-lg); }
.kit-mt-xl  { margin-top: var(--kit-space-xl); }
.kit-mt-section { margin-top: var(--kit-space-section); }
.kit-mb-sm  { margin-bottom: var(--kit-space-sm); }
.kit-mb-md  { margin-bottom: var(--kit-space-md); }
.kit-mb-lg  { margin-bottom: var(--kit-space-lg); }
.kit-mb-xl  { margin-bottom: var(--kit-space-xl); }
.kit-p-md   { padding: var(--kit-space-md); }
.kit-p-lg   { padding: var(--kit-space-lg); }
.kit-p-xl   { padding: var(--kit-space-xl); }

/* Text colors */
.kit-text-success { color: var(--kit-success); }
.kit-text-warning { color: var(--kit-warning); }
.kit-text-error   { color: var(--kit-error); }
.kit-text-violet  { color: var(--kit-violet); }
.kit-text-cyan    { color: var(--kit-cyan); }
.kit-text-muted   { color: var(--kit-text-light-2); }
.kit-text-meta    { color: var(--kit-text-light-3); }

/* ═══════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════ */

@media (max-width: 768px) {
  :root {
    --kit-fs-hero:  24px;
    --kit-fs-h1:    20px;
    --kit-fs-h2:    18px;
    --kit-fs-h3:    15px;
    --kit-space-section: 32px;
  }

  .kit-sidebar { display: none; }

  .kit-grid-2,
  .kit-grid-3,
  .kit-grid-4 {
    grid-template-columns: 1fr;
  }

  .kit-modal {
    width: 95%;
    padding: var(--kit-space-lg);
  }
}

@media (max-width: 480px) {
  .kit-btn { width: 100%; }
  .kit-topbar { padding: 0 var(--kit-space-lg); }
}

/* ── MESH GRADIENT BACKGROUND ── */
#screen-app .app-body {
  background-color: #050810;
  background-image:
    radial-gradient(circle at 18% 28%, rgba(106, 98, 238, 0.35), transparent 55%),
    radial-gradient(circle at 82% 12%, rgba(27, 189, 232, 0.28), transparent 50%),
    radial-gradient(circle at 55% 88%, rgba(78, 136, 240, 0.30), transparent 60%);
  background-repeat: no-repeat;
  background-size: 140% 140%, 130% 130%, 150% 150%;
  background-position: 0% 0%, 100% 0%, 50% 100%;
  animation: kit-mesh-breathe 20s ease-in-out infinite;
}

@keyframes kit-mesh-breathe {
  0%   { background-position: 0% 0%,  100% 0%,  50% 100%; }
  50%  { background-position: 8% 12%, 91% 9%,   43% 87%; }
  100% { background-position: 0% 0%,  100% 0%,  50% 100%; }
}

/* ── NOISE GRAIN OVERLAY ── */
#screen-app .app-body::before {
  content: '';
  position: fixed;
  inset: -5%;
  background-image: url("data:image/svg+xml;utf8,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%3E%3Cfilter%20id%3D'n'%3E%3CfeTurbulence%20type%3D'fractalNoise'%20baseFrequency%3D'0.85'%20numOctaves%3D'4'%20stitchTiles%3D'stitch'%2F%3E%3C%2Ffilter%3E%3Crect%20width%3D'100%25'%20height%3D'100%25'%20filter%3D'url(%23n)'%2F%3E%3C%2Fsvg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.04;
  animation: kit-grain-shift 8s steps(1) infinite;
}

@keyframes kit-grain-shift {
  0%   { transform: translate(0%, 0%); }
  10%  { transform: translate(-2%, 3%); }
  20%  { transform: translate(3%, -1%); }
  30%  { transform: translate(-3%, -2%); }
  40%  { transform: translate(1%, 4%); }
  50%  { transform: translate(-1%, -3%); }
  60%  { transform: translate(4%, 1%); }
  70%  { transform: translate(-2%, -1%); }
  80%  { transform: translate(2%, 3%); }
  90%  { transform: translate(-3%, 2%); }
}