/* ============================================================
   1. VARIABLES Y TEMAS
   ============================================================ */
:root {
  --bg:#f2f3f7;
  --card:#ffffff;
  --text:#1c1d21;
  --text-secondary:#6e6e78;
  --accent:#4f6ef7;
  --accent-light:#e8ecff;
  --success:#34c759;
  --success-light:#e6f9ee;
  --warning:#ff9f0a;
  --warning-light:#fff5e6;
  --danger:#ff3b30;
  --danger-light:#ffeaea;
  --shadow:0 1px 3px rgba(0,0,0,0.06);
  --radius:14px;
  --radius-sm:10px;
  --transition:0.2s ease;
  --font:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --border-color:rgba(128,128,128,0.08);
  --input-border:#e8e8ed;
  --modal-handle-bg:#d1d1d9;
  --btn-cancel-bg:#f0f0f5;
  --btn-cancel-color:#1c1d21;
  --toast-bg:#1c1d21;
  --toast-color:#fff;
}
body.dark {
  --bg:#1a1a1e;
  --card:#2c2c30;
  --text:#f0f0f5;
  --text-secondary:#a0a0aa;
  --accent:#7b8cff;
  --accent-light:#2a2d45;
  --border-color:rgba(255,255,255,0.08);
  --input-border:#3a3a42;
  --modal-handle-bg:#4a4a52;
  --btn-cancel-bg:#3a3a42;
  --btn-cancel-color:#f0f0f5;
}

/* ============================================================
   2. RESET Y BASE
   ============================================================ */
* { margin:0; padding:0; box-sizing:border-box; }
body {
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
  display:flex;
  justify-content:center;
  -webkit-tap-highlight-color:transparent;
  user-select:none;
  padding-bottom:env(safe-area-inset-bottom,12px);
}
/* Permitir selección de texto en contenido real (accesibilidad + UX) */
p, span:not(.nav-label):not(.mini-ui-code):not(.mini-ui-qty),
a, input, textarea, select,
.contact-way, .landing-subtitle, .landing-title,
.showcase-item-desc, .showcase-note-text, .mini-faq-content p,
.sale-detail, .history-date, .product-row .name,
.email-text, [data-selectable] {
  user-select:text;
  -webkit-user-select:text;
}

/* ============================================================
   3. UTILIDADES
   ============================================================ */
.hidden { display:none !important; }
.ico { display:inline-block; vertical-align:middle; flex-shrink:0; }
.btn-icon-only { width:32px; height:32px; padding:0 !important; display:inline-flex; align-items:center; justify-content:center; border-radius:8px; }
.btn-icon-only.btn-xs { width:26px; height:26px; border-radius:7px; }
.btn-icon-only.btn-sm { width:30px; height:30px; }
.nav-item .nav-icon .ico { width:22px; height:22px; }
h3 .ico, h2 .ico { margin-right:2px; }
.show-on-mobile { display:block; }
.hide-on-mobile { display:none; }

/* ============================================================
   4. SKIP LINK (Accesibilidad)
   ============================================================ */
.skip-link {
  position:absolute;
  left:-9999px;
  top:0;
  z-index:10000;
  background:#000;
  color:#fff;
  padding:10px 16px;
  border-radius:0 0 8px 0;
  font-weight:700;
  font-size:0.9rem;
  text-decoration:none;
}
.skip-link:focus {
  left:0;
  outline:2px solid #fff;
  outline-offset:2px;
}

/* ============================================================
   5. LANDING PAGE
   ============================================================ */
.landing-page {
  position:fixed;
  inset:0;
  z-index:100;
  background:#05070f;
  color:#fff;
  overflow-y:auto;
  -webkit-overflow-scrolling:touch;
  display:flex;
  flex-direction:column;
  align-items:center;
  scroll-behavior:smooth;
}
.landing-page.hidden { display:none; }
html { scroll-behavior:smooth; }

/* ---------- 5.1 Aurora de fondo ---------- */
.landing-aurora { position:fixed; inset:0; pointer-events:none; z-index:0; overflow:hidden; }
.landing-aurora::before {
  content:'';
  position:absolute;
  top:-20%;
  left:-10%;
  width:60%;
  height:80%;
  background:radial-gradient(circle,rgba(79,110,247,0.35) 0%,transparent 60%);
  filter:blur(80px);
  animation:auroraFloat 18s ease-in-out infinite;
}
.landing-aurora::after {
  content:'';
  position:absolute;
  bottom:-20%;
  right:-10%;
  width:60%;
  height:80%;
  background:radial-gradient(circle,rgba(138,79,255,0.28) 0%,transparent 60%);
  filter:blur(80px);
  animation:auroraFloat 22s ease-in-out infinite reverse;
}
@keyframes auroraFloat {
  0%,100% { transform:translate(0,0) scale(1); }
  50% { transform:translate(6%,4%) scale(1.1); }
}

/* ---------- 5.2 Nav de la landing ---------- */
.landing-nav {
  position:relative;
  z-index:2;
  width:100%;
  max-width:1200px;
  padding:14px 24px 4px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.landing-brand {
  display:flex;
  align-items:center;
  gap:10px;
  font-size:1.35rem;
  font-weight:800;
  letter-spacing:-0.4px;
}
.landing-brand .landing-logo-icon {
  width:40px;
  height:40px;
  border-radius:12px;
  background:linear-gradient(135deg,#4f6ef7,#8a4fff);
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 22px rgba(79,110,247,0.55);
  color:#fff;
  overflow:hidden;
  flex-shrink:0;
}
.landing-logo-icon img { width:100%; height:100%; object-fit:contain; display:block; border-radius:12px; }
.landing-nav-links { display:flex; gap:26px; font-size:0.9rem; color:rgba(255,255,255,0.72); }
.landing-nav-links a {
  color:inherit;
  text-decoration:none;
  cursor:pointer;
  transition:color 0.2s ease;
}
.landing-nav-links a:hover,
.landing-nav-links a:focus-visible { color:#fff; outline:none; }
.landing-nav-links a:focus-visible { text-decoration:underline; text-underline-offset:4px; }

/* ---------- 5.3 Hero ---------- */
.landing-hero {
  position:relative;
  z-index:2;
  width:100%;
  max-width:1150px;
  padding:12px 24px 18px;
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
}
.landing-pill {
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(79,110,247,0.15);
  border:1px solid rgba(123,140,255,0.35);
  color:#a8b6ff;
  padding:7px 16px;
  border-radius:100px;
  font-size:0.78rem;
  font-weight:600;
  letter-spacing:0.3px;
  margin-bottom:22px;
}
.landing-pill .ico { color:#34c759; }
.landing-title {
  font-size:clamp(1.55rem,4.4vw,2.7rem);
  font-weight:900;
  letter-spacing:-1px;
  line-height:1.15;
  margin-bottom:22px;
  max-width:820px;
  background:linear-gradient(180deg,#fff 30%,#a8b6ff 100%);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.landing-title strong {
  background:linear-gradient(135deg,#4f6ef7,#8a4fff);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  font-weight:900;
}
.landing-slogan { display:none; }
.landing-subtitle {
  font-size:clamp(0.9rem,2.1vw,1.05rem);
  color:rgba(255,255,255,0.68);
  max-width:620px;
  margin-bottom:30px;
  line-height:1.55;
}
.landing-subtitle strong { color:#a8b6ff; }
.landing-cta { display:flex; flex-direction:column; gap:12px; width:100%; max-width:340px; margin-bottom:14px; }
.btn-landing {
  padding:15px 26px;
  border-radius:14px;
  border:none;
  font-weight:700;
  font-size:1rem;
  cursor:pointer;
  font-family:var(--font);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  transition:transform 0.18s ease,box-shadow 0.18s ease;
}
.btn-landing-primary {
  background:linear-gradient(135deg,#4f6ef7,#8a4fff);
  color:#fff;
  box-shadow:0 10px 30px rgba(79,110,247,0.45);
}
.btn-landing-primary:hover { box-shadow:0 14px 40px rgba(79,110,247,0.6); transform:translateY(-2px); }
.btn-landing-secondary {
  background:rgba(255,255,255,0.06);
  color:#fff;
  border:1px solid rgba(255,255,255,0.16);
  backdrop-filter:blur(10px);
}
.btn-landing-secondary:hover { background:rgba(255,255,255,0.12); transform:translateY(-2px); }
.landing-devices-info {
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(79,110,247,0.1);
  border:1px solid rgba(123,140,255,0.25);
  color:rgba(255,255,255,0.8);
  padding:8px 16px;
  border-radius:100px;
  font-size:0.78rem;
  margin-bottom:10px;
  max-width:92%;
  text-align:center;
  line-height:1.35;
  flex-wrap:wrap;
  justify-content:center;
}
.landing-devices-info strong { color:#a8b6ff; font-weight:700; }
.landing-devices-info svg { color:#34c759; flex-shrink:0; }
.landing-account-link {
  background:none;
  border:none;
  color:#a8b6ff;
  font-size:0.85rem;
  cursor:pointer;
  padding:6px 8px;
  margin-bottom:22px;
  font-family:var(--font);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-color:rgba(168,182,255,0.4);
}
.landing-account-link:hover { color:#fff; text-decoration-color:#fff; }

/* ---------- 5.4 Features ---------- */
.landing-features {
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
  max-width:820px;
  width:100%;
  margin-bottom:20px;
}
.landing-feature {
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:18px;
  padding:20px 18px;
  text-align:left;
  cursor:pointer;
  transition:transform 0.25s ease,border-color 0.25s ease,background 0.25s ease;
}
.landing-feature:hover {
  transform:translateY(-4px);
  border-color:rgba(123,140,255,0.35);
  background:rgba(79,110,247,0.08);
}
.landing-feature .lf-icon {
  width:44px;
  height:44px;
  border-radius:12px;
  background:linear-gradient(135deg,rgba(79,110,247,0.18),rgba(138,79,255,0.18));
  border:1px solid rgba(123,140,255,0.25);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#a8b6ff;
  margin-bottom:12px;
}
.landing-feature .lf-title { font-size:0.98rem; font-weight:700; margin-bottom:4px; color:#fff; }
.landing-feature .lf-desc { font-size:0.78rem; color:rgba(255,255,255,0.62); line-height:1.4; }

/* ---------- 5.5 Trust ---------- */
.landing-trust {
  display:flex;
  flex-wrap:wrap;
  gap:20px;
  justify-content:center;
  margin-bottom:8px;
  font-size:0.78rem;
  color:rgba(255,255,255,0.62);
}
.landing-trust span { display:inline-flex; align-items:center; gap:6px; }

/* ============================================================
   6. SHOWCASE
   ============================================================ */
.showcase {
  position:relative;
  z-index:2;
  width:100%;
  max-width:1100px;
  padding:14px 24px 48px;
  display:flex;
  flex-direction:column;
  gap:64px;
}
.showcase-item {
  display:flex;
  align-items:center;
  gap:36px;
  opacity:0;
  will-change:transform,opacity;
}
.showcase-item.dir-reverse { flex-direction:row-reverse; }
.showcase-item.anim-1 { transform:translateY(60px); transition:opacity 0.9s ease,transform 1.1s cubic-bezier(0.34,1.56,0.64,1); }
.showcase-item.anim-2 { transform:translateX(-80px); transition:opacity 0.9s ease,transform 1.2s cubic-bezier(0.22,1,0.36,1); }
.showcase-item.anim-3 { transform:translateX(80px); transition:opacity 0.9s ease,transform 1.2s cubic-bezier(0.22,1,0.36,1); }
.showcase-item.visible { opacity:1; transform:translate(0) scale(1); }
.showcase-item-text { flex:1; min-width:0; max-width:420px; }
.showcase-item-title {
  font-size:1.25rem;
  font-weight:800;
  color:#fff;
  letter-spacing:-0.3px;
  line-height:1.2;
  margin-bottom:12px;
  background:linear-gradient(180deg,#fff,rgba(200,210,255,0.85));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.showcase-item-desc { font-size:0.88rem; color:rgba(255,255,255,0.62); line-height:1.65; }
.showcase-item-desc strong { color:#a8b6ff; font-weight:700; }

/* ---------- 6.1 Mini UI ---------- */
.mini-ui {
  flex:0 0 auto;
  background:linear-gradient(180deg,rgba(255,255,255,0.05),rgba(255,255,255,0.025));
  border:1px solid rgba(255,255,255,0.09);
  border-radius:18px;
  overflow:hidden;
  position:relative;
  display:flex;
  flex-direction:column;
  box-shadow:0 14px 38px rgba(0,0,0,0.28),inset 0 1px 0 rgba(255,255,255,0.05);
  transition:transform 0.35s cubic-bezier(0.34,1.56,0.64,1),border-color 0.3s ease,box-shadow 0.3s ease;
  width:340px;
}
.mini-ui::before {
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(123,140,255,0.55),transparent);
  opacity:0;
  transition:opacity 0.3s ease;
}
.mini-ui:hover {
  transform:translateY(-5px) rotate(-0.6deg);
  border-color:rgba(123,140,255,0.32);
  box-shadow:0 20px 50px rgba(79,110,247,0.28),inset 0 1px 0 rgba(255,255,255,0.08);
}
.mini-ui:hover::before { opacity:1; }
.mini-ui-head {
  display:flex;
  align-items:center;
  gap:9px;
  padding:14px 16px;
  border-bottom:1px solid rgba(255,255,255,0.06);
  background:linear-gradient(180deg,rgba(255,255,255,0.03),rgba(255,255,255,0));
  flex-shrink:0;
}
.mini-ui-head-icon {
  width:28px;
  height:28px;
  border-radius:8px;
  background:linear-gradient(135deg,rgba(79,110,247,0.35),rgba(138,79,255,0.3));
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#a8b6ff;
  flex-shrink:0;
  box-shadow:0 2px 10px rgba(79,110,247,0.28);
}
.mini-ui-head-icon svg { width:14px; height:14px; }
.mini-ui-head-title {
  font-size:0.88rem;
  font-weight:700;
  color:#fff;
  letter-spacing:-0.2px;
  flex:1;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.mini-ui-head-sub {
  font-size:0.64rem;
  color:rgba(255,255,255,0.6);
  font-weight:600;
  flex-shrink:0;
  padding:3px 10px;
  background:rgba(255,255,255,0.05);
  border-radius:10px;
  border:1px solid rgba(255,255,255,0.07);
}
.mini-ui-body { padding:16px 18px; display:flex; flex-direction:column; gap:8px; flex:1; min-height:0; }
.mini-ui-row {
  display:flex;
  align-items:center;
  gap:10px;
  font-size:0.82rem;
  color:rgba(255,255,255,0.72);
  padding:7px 0;
  border-bottom:1px solid rgba(255,255,255,0.04);
}
.mini-ui-row:last-child { border-bottom:none; }
.mini-ui-row .mini-ui-code { color:#a8b6ff; font-weight:700; font-size:0.74rem; min-width:30px; letter-spacing:0.3px; }
.mini-ui-row .mini-ui-name { flex:1; color:#fff; font-weight:600; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; font-size:0.84rem; }
.mini-ui-row .mini-ui-qty { color:rgba(255,255,255,0.55); font-size:0.72rem; }
.mini-ui-row .mini-ui-price { color:#34c759; font-weight:700; font-size:0.84rem; white-space:nowrap; }
.mini-ui-row .mini-ui-stock { color:#fff; font-weight:800; font-size:0.86rem; min-width:22px; text-align:right; }
.mini-ui-total {
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-top:12px;
  margin-top:5px;
  border-top:1px solid rgba(255,255,255,0.09);
  font-size:0.82rem;
  color:rgba(255,255,255,0.68);
  font-weight:600;
}
.mini-ui-total strong { color:#34c759; font-weight:800; font-size:1.2rem; letter-spacing:-0.3px; }
.mini-ui-summary-grid { display:grid; grid-template-columns:1fr 1fr; gap:8px; }
.mini-ui-summary-item {
  background:rgba(255,255,255,0.045);
  border-radius:11px;
  padding:12px 8px;
  text-align:center;
  border:1px solid rgba(255,255,255,0.055);
}
.mini-ui-summary-value { font-size:1.05rem; font-weight:800; line-height:1; color:#fff; letter-spacing:-0.3px; }
.mini-ui-summary-value.success { color:#34c759; }
.mini-ui-summary-value.accent { color:#a8b6ff; }
.mini-ui-summary-value.warning { color:#ff9f0a; }
.mini-ui-summary-value.danger { color:#ff3b30; }
.mini-ui-summary-label {
  font-size:0.58rem;
  color:rgba(255,255,255,0.55);
  margin-top:5px;
  font-weight:700;
  letter-spacing:0.4px;
  text-transform:uppercase;
}
.mini-ui-balance {
  background:linear-gradient(135deg,#4f6ef7,#8a4fff);
  border-radius:13px;
  padding:16px 17px;
  color:#fff;
  box-shadow:0 10px 26px rgba(79,110,247,0.4),inset 0 1px 0 rgba(255,255,255,0.2);
  position:relative;
  overflow:hidden;
}
.mini-ui-balance::before {
  content:'';
  position:absolute;
  top:-40%;
  right:-15%;
  width:120px;
  height:120px;
  background:radial-gradient(circle,rgba(255,255,255,0.2),transparent 70%);
  border-radius:50%;
}
.mini-ui-balance-label { font-size:0.64rem; opacity:0.9; font-weight:600; letter-spacing:0.3px; }
.mini-ui-balance-value { font-size:1.5rem; font-weight:800; letter-spacing:-0.4px; margin-top:4px; position:relative; }
.mini-ui-mov {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:8px;
  padding:8px 0;
  border-bottom:1px solid rgba(255,255,255,0.04);
}
.mini-ui-mov:last-child { border-bottom:none; }
.mini-ui-mov-left { min-width:0; flex:1; }
.mini-ui-mov-title { font-size:0.76rem; font-weight:700; color:#fff; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.mini-ui-mov-date { font-size:0.6rem; color:rgba(255,255,255,0.5); margin-top:2px; }
.mini-ui-mov-amount { font-size:0.82rem; font-weight:800; white-space:nowrap; }
.mini-ui-mov-amount.pos { color:#34c759; }
.mini-ui-mov-amount.neg { color:#ff3b30; }

/* ---------- 6.2 Nota del showcase ---------- */
.showcase-note { position:relative; z-index:2; width:100%; max-width:1100px; padding:0 24px; margin:0 0 48px 0; }
.showcase-note-inner {
  display:flex;
  align-items:flex-start;
  gap:18px;
  background:linear-gradient(135deg,rgba(79,110,247,0.1),rgba(138,79,255,0.06));
  border:1px solid rgba(123,140,255,0.18);
  border-radius:22px;
  padding:22px 26px;
  backdrop-filter:blur(14px);
  position:relative;
  overflow:hidden;
}
.showcase-note-inner::before {
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(123,140,255,0.45),transparent);
}
.showcase-note-inner::after {
  content:'';
  position:absolute;
  top:-30%;
  right:-8%;
  width:180px;
  height:180px;
  background:radial-gradient(circle,rgba(123,140,255,0.14),transparent 70%);
  border-radius:50%;
  pointer-events:none;
}
.showcase-note-icon {
  width:40px;
  height:40px;
  border-radius:12px;
  background:linear-gradient(135deg,rgba(79,110,247,0.28),rgba(138,79,255,0.22));
  border:1px solid rgba(123,140,255,0.35);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#a8b6ff;
  flex-shrink:0;
  box-shadow:0 4px 14px rgba(79,110,247,0.25);
}
.showcase-note-icon svg { width:18px; height:18px; }
.showcase-note-text { font-size:0.85rem; color:rgba(255,255,255,0.72); line-height:1.65; margin:0; position:relative; }
.showcase-note-text strong { color:#a8b6ff; font-weight:700; }

/* ============================================================
   7. MINI-FAQ (landing) — usa <details>/<summary>
   ============================================================ */
.mini-faq-section { position:relative; z-index:2; width:100%; max-width:1100px; padding:0 24px; margin:0 0 32px 0; }
.mini-faq-title {
  font-size:clamp(1.4rem,3.4vw,2rem);
  font-weight:800;
  color:#fff;
  letter-spacing:-0.6px;
  text-align:center;
  margin-bottom:22px;
  background:linear-gradient(180deg,#fff,rgba(200,210,255,0.85));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.mini-faq-grid { display:grid; grid-template-columns:1fr; gap:14px; align-items:start; }
.mini-faq-item {
  background:linear-gradient(135deg,rgba(79,110,247,0.08),rgba(138,79,255,0.05));
  border:1px solid rgba(123,140,255,0.18);
  border-radius:18px;
  padding:20px 22px;
  backdrop-filter:blur(14px);
}
.mini-faq-item summary {
  font-size:0.95rem;
  font-weight:800;
  color:#a8b6ff;
  letter-spacing:-0.2px;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  list-style:none;
  outline:none;
}
.mini-faq-item summary::-webkit-details-marker { display:none; }
.mini-faq-item summary::after {
  content:'▼';
  font-size:0.75rem;
  color:#a8b6ff;
  transition:transform 0.2s ease;
  flex-shrink:0;
}
.mini-faq-item[open] summary::after { transform:rotate(180deg); }
.mini-faq-item summary:focus-visible { outline:2px solid #a8b6ff; outline-offset:4px; border-radius:6px; }
.mini-faq-item .mini-faq-content { padding-top:10px; }
.mini-faq-item .mini-faq-content p { font-size:0.82rem; line-height:1.6; color:rgba(255,255,255,0.72); margin:0; }

/* ============================================================
   8. CONTACTO
   ============================================================ */
.contact-section { position:relative; z-index:2; width:100%; max-width:1150px; padding:0 24px 60px; margin-top:0; }
.contact-grid {
  display:grid;
  grid-template-columns:1fr;
  gap:30px;
  background:linear-gradient(135deg,rgba(79,110,247,0.12),rgba(138,79,255,0.08));
  border:1px solid rgba(123,140,255,0.2);
  border-radius:28px;
  padding:36px 28px;
  backdrop-filter:blur(20px);
}
@media(min-width:800px) {
  .contact-grid { grid-template-columns:1fr 1.2fr; padding:48px 44px; gap:48px; align-items:center; }
}
.contact-info .showcase-eyebrow {
  color:#a8b6ff;
  margin-bottom:10px;
  font-size:0.62rem;
  font-weight:800;
  letter-spacing:2px;
  text-transform:uppercase;
}
.contact-title { font-size:clamp(1.6rem,4vw,2.4rem); font-weight:800; letter-spacing:-0.8px; line-height:1.1; margin-bottom:14px; }
.contact-desc { font-size:0.95rem; color:rgba(255,255,255,0.68); line-height:1.6; margin-bottom:20px; }
.contact-ways { display:flex; flex-direction:column; gap:10px; font-size:0.85rem; }
.contact-way { display:inline-flex; align-items:center; gap:10px; color:rgba(255,255,255,0.78); }
.contact-way-icon {
  width:34px;
  height:34px;
  border-radius:10px;
  background:rgba(79,110,247,0.2);
  border:1px solid rgba(123,140,255,0.3);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#a8b6ff;
}
.contact-form { display:flex; flex-direction:column; gap:14px; }
.contact-field label { display:block; font-size:0.78rem; font-weight:700; color:rgba(255,255,255,0.78); margin-bottom:6px; letter-spacing:0.3px; }
.contact-field input,
.contact-field textarea {
  width:100%;
  padding:14px 16px;
  border:1.5px solid rgba(255,255,255,0.12);
  border-radius:14px;
  background:rgba(255,255,255,0.04);
  color:#fff;
  font-family:var(--font);
  font-size:0.95rem;
  transition:border-color 0.2s ease,background 0.2s ease;
  user-select:text;
}
.contact-field input:focus,
.contact-field textarea:focus {
  outline:none;
  border-color:rgba(123,140,255,0.55);
  background:rgba(255,255,255,0.07);
}
.contact-field input::placeholder,
.contact-field textarea::placeholder { color:rgba(255,255,255,0.35); }
.contact-field textarea { min-height:130px; resize:vertical; }
.contact-submit {
  padding:15px 26px;
  border-radius:14px;
  border:none;
  background:linear-gradient(135deg,#4f6ef7,#8a4fff);
  color:#fff;
  font-weight:800;
  font-size:1rem;
  cursor:pointer;
  font-family:var(--font);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  transition:transform 0.18s ease,box-shadow 0.18s ease;
  box-shadow:0 10px 30px rgba(79,110,247,0.4);
}
.contact-submit:hover { transform:translateY(-2px); box-shadow:0 14px 40px rgba(79,110,247,0.6); }

/* ============================================================
   9. FOOTER
   ============================================================ */
.landing-footer {
  position:relative;
  z-index:2;
  width:100%;
  text-align:center;
  padding:22px 20px 30px;
  font-size:0.72rem;
  color:rgba(255,255,255,0.55);
  border-top:1px solid rgba(255,255,255,0.06);
}

/* ============================================================
   10. APP PRINCIPAL
   ============================================================ */

/* ---------- 10.1 Contenedor ---------- */
.app-container {
  width:100%;
  max-width:560px;
  display:flex;
  flex-direction:column;
  min-height:100vh;
  position:relative;
}
.app-container.hidden { display:none; }

/* ---------- 10.2 Header y navegación ---------- */
.header {
  padding:12px 16px 6px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  position:sticky;
  top:0;
  z-index:100;
  background:var(--bg);
  backdrop-filter:blur(10px);
  flex-wrap:wrap;
}
.header-title {
  font-size:1.5rem;
  font-weight:800;
  letter-spacing:-0.5px;
  background:linear-gradient(135deg,var(--text),var(--accent));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  line-height:1.2;
}
.header-actions { display:flex; align-items:center; gap:6px; }
.icon-btn {
  background:none;
  border:none;
  font-size:1.2rem;
  cursor:pointer;
  padding:5px;
  border-radius:50%;
  color:var(--text);
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.hamburger-btn {
  display:none;
  background:none;
  border:none;
  font-size:1.5rem;
  cursor:pointer;
  padding:5px 8px;
  border-radius:8px;
  color:var(--text);
}
.top-nav { display:none; gap:6px; align-items:center; flex-wrap:wrap; }
.top-nav .nav-item {
  flex:0 0 auto;
  padding:6px 14px;
  border-radius:20px;
  font-size:0.85rem;
  background:var(--card);
  box-shadow:var(--shadow);
  flex-direction:row;
  gap:6px;
}
.top-nav .nav-item.active { background:var(--accent-light); color:var(--accent); }

.bottom-nav {
  position:fixed;
  bottom:0;
  left:50%;
  transform:translateX(-50%);
  width:100%;
  max-width:560px;
  background:var(--card);
  display:flex;
  justify-content:space-around;
  padding:6px 12px 10px;
  box-shadow:0 -2px 10px rgba(0,0,0,0.06);
  z-index:200;
  border-radius:20px 20px 0 0;
}
.nav-item {
  flex:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:3px;
  background:none;
  border:none;
  cursor:pointer;
  padding:6px 4px;
  font-family:var(--font);
  color:var(--text-secondary);
  position:relative;
}
.nav-item.active { color:var(--accent); }
.nav-item .nav-icon { display:inline-flex; align-items:center; justify-content:center; }
.nav-item .nav-label { font-size:0.7rem; font-weight:600; }
.nav-item.active::after {
  content:'';
  position:absolute;
  bottom:-2px;
  width:20px;
  height:3px;
  background:var(--accent);
  border-radius:2px;
}

/* ---------- 10.3 Contenido principal ---------- */
.main-content { flex:1; padding:10px 14px 12px; overflow-y:auto; margin-bottom:70px; }
.tab-panel { display:none !important; }
.tab-panel.active { display:block !important; }

/* ---------- 10.4 Cards y componentes base ---------- */
.card { background:var(--card); border-radius:var(--radius); padding:14px 16px; margin-bottom:10px; box-shadow:var(--shadow); }
.badge { font-size:0.7rem; padding:3px 8px; border-radius:12px; font-weight:600; display:inline-flex; align-items:center; gap:4px; }
.badge-success { background:var(--success-light); color:var(--success); }
.badge-warning { background:var(--warning-light); color:#b87000; }
.badge-danger { background:var(--danger-light); color:var(--danger); }

.form-group { margin-bottom:10px; }
.form-group label { display:block; font-weight:600; font-size:0.8rem; margin-bottom:3px; color:var(--text-secondary); }
.form-group input {
  width:100%;
  padding:10px 12px;
  border:2px solid var(--input-border);
  border-radius:8px;
  font-size:0.9rem;
  font-family:var(--font);
  background:var(--card);
  color:var(--text);
  user-select:text;
}

.btn {
  padding:10px 14px;
  border-radius:20px;
  border:none;
  font-weight:600;
  font-size:0.85rem;
  cursor:pointer;
  font-family:var(--font);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  line-height:1.2;
}
.btn-primary { background:var(--accent); color:#fff; width:100%; }
.btn-success { background:var(--success); color:#fff; width:100%; }
.btn-outline { background:transparent; border:2px solid var(--accent); color:var(--accent); width:100%; }
.btn-danger { background:var(--danger); color:#fff; width:100%; }
.btn-warning { background:var(--warning); color:#fff; width:100%; }
.btn-sm { padding:5px 10px; font-size:0.75rem; gap:4px; }
.btn-xs { padding:3px 8px; font-size:0.7rem; border-radius:12px; gap:3px; }
.btn-cancel { background:var(--btn-cancel-bg); color:var(--btn-cancel-color); border:none; }

/* ---------- 10.5 Inventario ---------- */
.inventory-summary-row { display:flex; flex-direction:column; }
.summary-grid { display:grid; grid-template-columns:1fr 1fr; gap:8px; margin-bottom:10px; }
.summary-card { background:var(--card); border-radius:var(--radius-sm); padding:14px; box-shadow:var(--shadow); text-align:center; }
.summary-card .value { font-size:1.4rem; font-weight:800; }
.summary-card .label { font-size:0.75rem; color:var(--text-secondary); margin-top:2px; }
.summary-card .value.success { color:var(--success); }
.summary-card .value.accent { color:var(--accent); }
.summary-card .value.warning { color:var(--warning); }
.summary-card .value.danger { color:var(--danger); }

.product-row {
  display:flex;
  align-items:center;
  gap:6px;
  padding:8px 0;
  border-bottom:1px solid rgba(128,128,128,0.08);
  font-size:0.82rem;
  cursor:pointer;
}
.product-row .code { font-weight:700; min-width:42px; color:var(--accent); }
.product-row .name { flex:1; font-weight:600; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.product-row .stock { min-width:32px; text-align:center; font-weight:600; }
.product-row .purchase-col { width:52px; text-align:right; font-size:0.7rem; color:var(--text-secondary); }
.product-row .wholesale-col { width:52px; text-align:right; font-size:0.7rem; color:var(--accent); }
.product-row .price-col { width:52px; text-align:right; font-weight:600; color:var(--success); }
.product-row .actions { display:flex; gap:2px; }

.batch-item {
  display:flex;
  align-items:center;
  gap:4px;
  padding:8px 4px;
  margin:4px 0;
  border-radius:8px;
  background:var(--bg);
  font-size:0.82rem;
  cursor:pointer;
  border:2px solid transparent;
  transition:var(--transition);
  flex-wrap:wrap;
}
.batch-item.selected { border-color:var(--accent); background:var(--accent-light); }
.batch-item .batch-date { width:50px; font-size:0.68rem; }
.batch-item .batch-stock { width:32px; text-align:center; font-weight:600; font-size:0.8rem; }
.batch-item .batch-purchase { width:52px; text-align:right; font-size:0.7rem; color:var(--text-secondary); }
.batch-item .batch-wholesale { width:52px; text-align:right; font-size:0.7rem; color:var(--accent); }
.batch-item .batch-sale { width:52px; text-align:right; font-weight:600; color:var(--success); }
.batch-item .batch-actions { display:flex; gap:2px; flex-shrink:0; }

.inventory-filters { display:flex; flex-wrap:wrap; gap:6px; margin-bottom:10px; }
.inventory-filters input,
.inventory-filters select {
  flex:1 1 calc(50% - 3px);
  min-width:0;
  padding:8px 10px;
  border:2px solid var(--input-border);
  border-radius:8px;
  font-size:0.85rem;
  background:var(--card);
  color:var(--text);
}
.inventory-filters button.clear-btn { flex:1 1 100%; padding:8px 10px; font-size:0.8rem; }
.inventory-action-btns { display:flex; gap:6px; margin-bottom:10px; }
.inventory-action-btns .btn { flex:1; }
.product-header {
  display:none;
  align-items:center;
  gap:6px;
  padding:8px 0;
  font-size:0.7rem;
  color:var(--text-secondary);
  font-weight:600;
  border-bottom:1px solid var(--border-color);
  margin-bottom:4px;
}
.batch-header { display:none; }

/* ---------- 10.6 Vender / Carrito ---------- */
.cart-tabs { display:flex; gap:4px; overflow-x:auto; padding:4px 0; margin-bottom:8px; scrollbar-width:thin; }
.cart-tab {
  padding:6px 12px;
  border-radius:20px;
  background:var(--bg);
  font-size:0.8rem;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  border:2px solid transparent;
}
.cart-tab.active { background:var(--accent-light); border-color:var(--accent); color:var(--accent); }
.cart-item {
  display:flex;
  align-items:center;
  gap:6px;
  padding:6px 10px;
  background:var(--card);
  border-radius:8px;
  margin-bottom:4px;
  box-shadow:var(--shadow);
  font-size:0.8rem;
}
.cart-item-header {
  display:flex;
  align-items:center;
  gap:6px;
  padding:6px 10px;
  font-size:0.7rem;
  color:var(--text-secondary);
  font-weight:600;
  border-bottom:1px solid var(--border-color);
  margin-bottom:4px;
}
.cart-item .cart-col-code { width:38px; font-weight:700; color:var(--accent); text-align:center; }
.cart-item .cart-col-name { flex:1; font-weight:600; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.cart-item .cart-col-qty { width:32px; text-align:center; }
.cart-item .cart-col-total { width:65px; text-align:right; font-weight:700; color:var(--success); }
.cart-item .cart-col-del { width:24px; text-align:center; }
.cart-item-header .cart-col-code { width:38px; text-align:center; }
.cart-item-header .cart-col-name { flex:1; }
.cart-item-header .cart-col-qty { width:32px; text-align:center; }
.cart-item-header .cart-col-total { width:65px; text-align:right; }
.cart-item-header .cart-col-del { width:24px; text-align:center; }

.price-selector { display:flex; gap:6px; margin-top:8px; flex-wrap:wrap; }
.price-btn {
  flex:1;
  min-width:60px;
  padding:8px;
  border:2px solid var(--input-border);
  border-radius:8px;
  background:var(--card);
  font-weight:600;
  font-size:0.8rem;
  cursor:pointer;
  font-family:var(--font);
  color:var(--text);
  text-align:center;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.price-btn.active { border-color:var(--accent) !important; background:var(--accent-light) !important; color:var(--accent) !important; }

/* ---------- 10.7 Historial ---------- */
.sale-item {
  background:var(--card);
  border-radius:var(--radius-sm);
  padding:10px 14px;
  margin-bottom:6px;
  box-shadow:var(--shadow);
  font-size:0.85rem;
  cursor:pointer;
}
.sale-item .sale-header { display:flex; justify-content:space-between; font-weight:600; }
.sale-item .sale-header span:first-child {
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  max-width:70%;
  display:inline-flex;
  align-items:center;
  gap:4px;
}
.sale-item .sale-detail { font-size:0.75rem; color:var(--text-secondary); margin-top:2px; }
.cancelled-badge { background:var(--danger-light); color:var(--danger); font-size:0.7rem; padding:2px 8px; border-radius:10px; margin-left:6px; display:inline-flex; align-items:center; gap:3px; }
.returned-badge { background:var(--warning-light); color:#b87000; font-size:0.7rem; padding:2px 8px; border-radius:10px; margin-left:6px; display:inline-flex; align-items:center; gap:3px; }
.merma-badge { background:var(--danger-light); color:var(--danger); font-size:0.7rem; padding:2px 8px; border-radius:10px; margin-left:6px; display:inline-flex; align-items:center; gap:3px; }
.filter-bar { display:flex; gap:6px; margin-bottom:10px; flex-wrap:wrap; align-items:center; }
.filter-bar input,
.filter-bar select {
  flex:1;
  min-width:70px;
  padding:8px 10px;
  border:2px solid var(--input-border);
  border-radius:8px;
  font-size:0.85rem;
  font-family:var(--font);
  background:var(--card);
  color:var(--text);
}

/* ---------- 10.8 Cartera ---------- */
.wallet-layout > div:first-child { margin-bottom:0; }
.wallet-filter-bar { display:flex; gap:6px; margin-bottom:10px; }
.wallet-filter-bar input,
.wallet-filter-bar button {
  flex:1 1 50%;
  min-width:0;
  padding:8px 10px;
  border:2px solid var(--input-border);
  border-radius:8px;
  font-size:0.85rem;
  font-family:var(--font);
  background:var(--card);
  color:var(--text);
}
.wallet-filter-bar button {
  background:transparent;
  border:2px solid var(--accent);
  color:var(--accent);
  font-weight:600;
  cursor:pointer;
}

/* ---------- 10.9 Estado vacío ---------- */
.empty-state { text-align:center; padding:30px 16px; color:var(--text-secondary); }
.empty-icon { font-size:2.5rem; display:block; margin-bottom:10px; opacity:0.55; display:inline-flex; align-items:center; justify-content:center; }

/* ============================================================
   11. MODALES Y OVERLAYS
   ============================================================ */
.modal-overlay {
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.45);
  z-index:300;
  display:flex;
  align-items:center;
  justify-content:center;
}
.modal-overlay.hidden { display:none; }
.modal-sheet {
  background:var(--card);
  border-radius:20px;
  width:90%;
  max-width:480px;
  padding:20px 18px 24px;
  max-height:80vh;
  overflow-y:auto;
  animation:modalPop 0.3s ease;
}
@keyframes modalPop { from { opacity:0; transform:scale(0.95); } to { opacity:1; transform:scale(1); } }
.modal-sheet.bottom-sheet {
  border-radius:20px 20px 0 0;
  width:100%;
  max-width:560px;
  position:fixed;
  bottom:0;
  left:50%;
  transform:translateX(-50%);
  animation:slideUp 0.3s ease;
  margin:0;
}
@keyframes slideUp { from { transform:translate(-50%,100%); } to { transform:translate(-50%,0); } }
.modal-handle { width:32px; height:4px; background:var(--modal-handle-bg); border-radius:2px; margin:0 auto 16px; }
.modal-sheet h3 { margin-bottom:24px; display:flex; align-items:center; gap:8px; }
.detail-total { font-size:1.5rem; font-weight:800; color:var(--success); text-align:right; margin:8px 0; }

/* ---------- 11.1 Gate (acceso / licencia) ---------- */
.gate-overlay {
  position:fixed;
  inset:0;
  background:var(--bg);
  z-index:9999;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  padding:20px;
  overflow-y:auto;
}
.gate-overlay.hidden { display:none; }
.gate-box {
  background:var(--card);
  border-radius:20px;
  padding:30px 24px;
  box-shadow:0 10px 40px rgba(0,0,0,0.15);
  text-align:center;
  width:100%;
  max-width:400px;
  margin:auto;
}
.gate-box .gate-icon { margin-bottom:12px; display:flex; align-items:center; justify-content:center; color:var(--accent); }
.gate-box h2 { font-size:1.4rem; font-weight:800; margin-bottom:6px; }
.gate-box p { font-size:0.85rem; color:var(--text-secondary); margin-bottom:20px; }
.gate-box input {
  width:100%;
  padding:12px 14px;
  border:2px solid var(--input-border);
  border-radius:10px;
  font-size:1rem;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  text-align:center;
  margin-bottom:12px;
  user-select:text;
}
.gate-box .gate-btn {
  width:100%;
  padding:12px;
  border-radius:25px;
  border:none;
  font-weight:700;
  font-size:0.95rem;
  cursor:pointer;
  margin-bottom:8px;
  font-family:var(--font);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
}
.gate-btn-primary { background:var(--accent); color:#fff; }
.gate-btn-trial { background:transparent; border:2px dashed var(--accent); color:var(--accent); }
.gate-btn-secondary { background:var(--btn-cancel-bg); color:var(--btn-cancel-color); }
.gate-code-display {
  background:var(--bg);
  border:2px solid var(--accent-light);
  border-radius:10px;
  padding:12px;
  font-family:'Courier New',monospace;
  font-size:0.75rem;
  word-break:break-all;
  margin:12px 0;
  color:var(--text);
  user-select:text;
}
.gate-buttons-row { display:flex; gap:8px; margin:8px 0; }
.gate-buttons-row .gate-btn { flex:1; margin-bottom:0; }
.gate-warning {
  background:rgba(255,159,10,0.1);
  border:1px solid rgba(255,159,10,0.3);
  border-radius:10px;
  padding:12px 14px;
  margin-top:12px;
  display:flex;
  gap:10px;
  align-items:flex-start;
  text-align:left;
}
.gate-warning svg { color:#ff9f0a; flex-shrink:0; margin-top:2px; }
.gate-warning p { font-size:0.74rem; color:var(--text); line-height:1.5; margin:0; }
.gate-warning strong { color:#ff9f0a; font-weight:700; }

/* ============================================================
   12. TOAST
   ============================================================ */
.toast {
  position:fixed;
  top:20px;
  left:50%;
  transform:translateX(-50%);
  background:var(--toast-bg);
  color:var(--toast-color);
  padding:8px 16px;
  border-radius:20px;
  font-weight:600;
  font-size:0.8rem;
  z-index:500;
  animation:toastIn 0.3s ease,toastOut 0.3s ease 2s forwards;
  pointer-events:none;
  user-select:none;
}
@keyframes toastIn { from { opacity:0; transform:translateX(-50%) translateY(-20px); } to { opacity:1; transform:translateX(-50%) translateY(0); } }
@keyframes toastOut { from { opacity:1; } to { opacity:0; transform:translateX(-50%) translateY(-20px); } }

/* ============================================================
   13. AJUSTES Y COMPONENTES INTERNOS
   ============================================================ */
.settings-collapse-header {
  display:flex;
  align-items:center;
  justify-content:space-between;
  background:var(--bg);
  border:none;
  width:100%;
  padding:12px 14px;
  border-radius:var(--radius-sm);
  font-weight:700;
  font-size:0.95rem;
  cursor:pointer;
  color:var(--text);
  font-family:var(--font);
  margin-bottom:6px;
}
.settings-collapse-body { padding:8px 6px 12px; display:none; }
.settings-collapse-body.open { display:block; }

.toggle-switch { position:relative; display:inline-block; width:48px; height:26px; }
.toggle-switch input { opacity:0; width:0; height:0; }
.toggle-slider {
  position:absolute;
  cursor:pointer;
  top:0;
  left:0;
  right:0;
  bottom:0;
  background-color:#ccc;
  transition:0.3s;
  border-radius:26px;
}
.toggle-slider:before {
  position:absolute;
  content:"";
  height:20px;
  width:20px;
  left:3px;
  bottom:3px;
  background-color:white;
  transition:0.3s;
  border-radius:50%;
}
input:checked + .toggle-slider { background-color:var(--accent); }
input:checked + .toggle-slider:before { transform:translateX(22px); }

.group-code-item {
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:8px 10px;
  background:var(--bg);
  border-radius:8px;
  margin-bottom:6px;
  font-size:0.82rem;
  border:1px solid var(--border-color);
}
.group-code-item .gc-code { font-family:'Courier New',monospace; font-weight:700; color:var(--accent); letter-spacing:0.5px; }
.group-code-item .gc-badge { font-size:0.65rem; padding:3px 8px; border-radius:10px; background:var(--accent-light); color:var(--accent); font-weight:700; }
.sync-info-box {
  background:rgba(79,110,247,0.08);
  border:1px solid rgba(79,110,247,0.25);
  border-radius:10px;
  padding:12px 14px;
  font-size:0.75rem;
  color:var(--text);
  line-height:1.55;
  margin-top:10px;
}
.sync-info-box strong { color:var(--accent); }
.backup-info-line { font-size:0.72rem; color:var(--text-secondary); margin-top:8px; text-align:center; line-height:1.5; }

.faq-item { margin-bottom:14px; padding:12px 14px; background:var(--bg); border-radius:10px; border:1px solid var(--border-color); }
.faq-item h4 {
  font-size:0.9rem;
  font-weight:700;
  color:var(--accent);
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin:0;
}
.faq-item .faq-chev { font-size:0.75rem; color:var(--accent); transition:transform 0.2s ease; flex-shrink:0; }
.faq-item.open .faq-chev { transform:rotate(180deg); }
.faq-item .faq-content { display:none; padding-top:8px; }
.faq-item.open .faq-content { display:block; }
.faq-item p { font-size:0.78rem; line-height:1.55; color:var(--text-secondary); margin-bottom:6px; }
.faq-item p:last-child { margin-bottom:0; }
.faq-item strong { color:var(--text); font-weight:700; }
.faq-item .faq-example {
  background:var(--card);
  border-left:3px solid var(--accent);
  padding:8px 10px;
  border-radius:6px;
  font-size:0.74rem;
  color:var(--text);
  margin-top:8px;
  font-style:italic;
  line-height:1.5;
}
.faq-intro { font-size:0.8rem; color:var(--text-secondary); margin-bottom:12px; line-height:1.55; text-align:center; font-style:italic; }

/* ============================================================
   14. MEDIA QUERIES
   ============================================================ */

/* ---------- 14.1 Móvil grande (>601px) ---------- */
@media(min-width:601px) {
  .landing-cta { flex-direction:row; max-width:520px; }
  .btn-landing { flex:1; }
  .landing-features { grid-template-columns:repeat(4,1fr); max-width:1000px; gap:16px; }
  .mini-faq-grid { grid-template-columns:repeat(3,1fr); gap:18px; align-items:start; }
}

/* ---------- 14.2 Tablet (601px - 950px) ---------- */
@media (min-width:601px) and (max-width:950px) {
  .app-container { max-width:100%; margin:0; }
  .header { padding:14px 20px; position:relative; justify-content:space-between; }
  .header-title { margin-right:auto; }
  .hamburger-btn { display:block; position:absolute; top:14px; right:20px; z-index:101; }
  .top-nav {
    display:none;
    position:absolute;
    top:100%;
    right:0;
    width:auto;
    min-width:200px;
    background:var(--card);
    flex-direction:column;
    padding:8px;
    border-radius:0 0 16px 16px;
    box-shadow:0 8px 20px rgba(0,0,0,0.1);
    z-index:99;
  }
  .top-nav.open { display:flex; }
  .header-actions { margin-right:40px; }
  .bottom-nav { display:none; }
  .main-content { margin:10px; padding:16px 20px; margin-bottom:0; }
  .hide-on-mobile { display:block; }
  .show-on-mobile { display:none; }
  .hide-on-med { display:flex !important; }

  .sell-layout { display:flex; gap:16px; align-items:flex-start; }
  .sell-layout > .card { flex:1; margin-bottom:0; min-width:0; }
  #cartSection { flex:1; display:block !important; margin-bottom:0; min-width:0; }
  #cartSection.hidden { display:block !important; }

  .wallet-layout { display:flex; gap:16px; align-items:flex-start; }
  .wallet-layout > div:first-child { flex:1; }
  .wallet-layout > div:last-child { flex:1; display:flex; flex-direction:column; gap:16px; }

  .summary-card { padding:4px 6px; }
  .summary-card .value { font-size:0.85rem; }
  .summary-card .label { font-size:0.6rem; }
  .summary-grid { gap:6px; margin-bottom:8px; }
  .card { padding:16px 18px; border-radius:16px; }
  .btn { padding:10px 18px; font-size:0.85rem; }
  .btn-sm { padding:4px 6px; font-size:0.65rem; }
  .cart-item { padding:8px 12px; gap:4px; }
  .cart-item .cart-col-del { width:20px; }
  .cart-item .btn-xs { padding:2px 4px; font-size:0.6rem; }
  .nav-item.active::after { display:none; }
  #settingsBtn { display:none !important; }
  #settingsBtnHamburger { display:flex !important; }
  .inventory-action-btns { display:none; }
  .inventory-btn-group { display:flex; flex-direction:row; gap:8px; }
  .inventory-btn-group .btn { flex:1; width:auto; }
  .product-header { display:none !important; }
  .batch-header { display:none !important; }
  .product-row { padding:10px 10px; font-size:0.85rem; gap:8px; display:flex; align-items:center; }
  .product-row .code { flex:0 0 50px; }
  .product-row .name { flex:2; }
  .product-row .stock { flex:1; text-align:center; min-width:40px; }
  .product-row .purchase-col { flex:1; text-align:right; font-size:0.75rem; }
  .product-row .wholesale-col { flex:1; text-align:right; font-size:0.75rem; }
  .product-row .price-col { flex:1; text-align:right; margin-right:12px; font-size:0.85rem; }
  .product-row .actions { flex:0 0 90px; gap:4px; justify-content:flex-end; }
  .batch-item { padding:8px 6px; font-size:0.85rem; gap:10px; display:flex; align-items:center; flex-wrap:nowrap; width:100%; }
  .batch-item .batch-date,
  .batch-item .batch-stock,
  .batch-item .batch-purchase,
  .batch-item .batch-wholesale,
  .batch-item .batch-sale { flex:1; min-width:0; }
  .batch-item .batch-sale { margin-right:18px; }
  .batch-item .batch-actions { flex:0 0 auto; gap:6px; justify-content:flex-end; }
  .batch-item .btn-xs { font-size:0.6rem; padding:2px 4px; }
  .price-selector { flex-wrap:nowrap; gap:4px; }
  .price-btn { font-size:0.68rem; padding:4px 2px; min-width:0; flex:1; }
}

/* ---------- 14.3 Desktop (>951px) ---------- */
@media (min-width:951px) {
  body { background:linear-gradient(135deg,#f0f2f8 0%,#e2e6f0 50%,#f0f2f8 100%); background-attachment:fixed; }
  body.dark { background:linear-gradient(135deg,#1a1a2e 0%,#16213e 50%,#1a1a2e 100%); background-attachment:fixed; }
  .app-container { max-width:1200px; display:flex; flex-direction:column; min-height:100vh; }
  .header {
    padding:16px 24px;
    background:rgba(255,255,255,0.9);
    backdrop-filter:blur(20px);
    border-bottom:1px solid var(--border-color);
    display:flex;
    align-items:center;
    gap:12px;
    margin:16px 16px 0 16px;
    border-radius:24px;
    box-shadow:0 4px 20px rgba(0,0,0,0.04);
    justify-content:center;
  }
  body.dark .header { background:rgba(44,44,48,0.9); }
  .header-title { font-size:1.7rem; order:0; margin-right:0; }
  .top-nav { display:flex; gap:8px; order:1; justify-content:center; flex:1; }
  .top-nav .nav-item {
    flex-direction:row;
    gap:6px;
    padding:8px 18px;
    border-radius:25px;
    font-size:0.9rem;
    font-weight:600;
    background:var(--bg);
    box-shadow:none;
    border:1px solid transparent;
  }
  .top-nav .nav-item.active { background:var(--accent-light); color:var(--accent); border-color:var(--accent); }
  .header-actions { order:2; margin-left:0; }
  .hamburger-btn { display:none; }
  .bottom-nav { display:none; }
  .main-content {
    margin:20px;
    padding:24px 28px;
    background:var(--card);
    border-radius:24px;
    box-shadow:0 10px 40px rgba(0,0,0,0.08);
    margin-bottom:20px;
    flex:1;
  }

  .sell-layout { display:flex; gap:24px; align-items:flex-start; }
  .sell-layout > .card { flex:1; margin-bottom:0; min-width:0; }
  #cartSection { flex:1; display:block !important; margin-bottom:0; min-width:0; }
  #cartSection.hidden { display:block !important; }

  .summary-grid { grid-template-columns:repeat(4,1fr); gap:16px; margin-bottom:20px; }
  .summary-card { padding:22px 18px; border-radius:18px; }
  .summary-card .value { font-size:1.9rem; }
  .summary-card .label { font-size:0.8rem; margin-top:4px; }
  .card { padding:22px 26px; border-radius:18px; margin-bottom:16px; }
  .product-row {
    padding:14px 18px;
    font-size:0.92rem;
    border-radius:12px;
    margin:3px 0;
    border-bottom:none;
    background:var(--card);
    box-shadow:0 1px 2px rgba(0,0,0,0.03);
    display:flex;
    align-items:center;
    gap:12px;
  }
  .product-row .code { flex:1; min-width:60px; font-weight:700; color:var(--accent); }
  .product-row .name { flex:1.8; font-weight:600; }
  .product-row .stock { flex:0.8; text-align:center; font-weight:600; min-width:50px; }
  .product-row .purchase-col { flex:0.8; text-align:right; font-size:0.85rem; color:var(--text-secondary); }
  .product-row .wholesale-col { flex:0.8; text-align:right; font-size:0.85rem; color:var(--accent); }
  .product-row .price-col { flex:1.2; text-align:right; font-weight:600; color:var(--success); font-size:0.9rem; margin-right:50px; }
  .product-row .actions { flex:0 0 100px; display:flex; gap:4px; justify-content:flex-end; }
  .filter-bar { gap:14px; margin-bottom:18px; }
  .filter-bar input,
  .filter-bar select { padding:12px 18px; font-size:0.9rem; border-radius:12px; }
  .btn { padding:12px 22px; font-size:0.9rem; border-radius:25px; }
  .btn-sm { padding:8px 16px; font-size:0.82rem; }
  .btn-xs { padding:5px 12px; font-size:0.75rem; }
  .modal-sheet { border-radius:24px; padding:20px 22px; max-width:680px; }
  .cart-item { padding:10px 14px; font-size:0.85rem; border-radius:10px; }
  .sale-item { padding:16px 20px; border-radius:14px; margin-bottom:8px; }
  .form-group input { padding:14px 18px; font-size:0.95rem; border-radius:12px; }
  .batch-item {
    padding:14px 18px;
    font-size:0.9rem;
    border-radius:10px;
    display:flex;
    align-items:center;
    gap:12px;
    flex-wrap:nowrap;
    width:100%;
  }
  .batch-item .batch-date,
  .batch-item .batch-stock,
  .batch-item .batch-purchase,
  .batch-item .batch-wholesale,
  .batch-item .batch-sale { flex:1; min-width:0; }
  .batch-item .batch-sale { margin-right:40px; }
  .batch-item .batch-actions { flex:0 0 auto; display:flex; gap:4px; justify-content:flex-end; }
  .settings-collapse-header { padding:14px 18px; font-size:1rem; border-radius:14px; }
  .nav-item.active::after { display:none; }

  .wallet-layout { display:flex; gap:24px; align-items:flex-start; }
  .wallet-layout > div:first-child { flex:1; display:flex; flex-direction:column; gap:16px; }
  .wallet-layout > div:last-child { flex:1; display:flex; flex-direction:column; gap:16px; }

  .hide-on-mobile { display:block; }
  .show-on-mobile { display:none; }
  .hide-on-small { display:flex !important; }
  #settingsBtn { display:flex !important; }
  #settingsBtnHamburger { display:none !important; }

  .history-filters { display:flex; gap:10px; align-items:center; flex-wrap:nowrap; }
  .history-filters > * { flex:1 1 25%; min-width:0; }

  .inventory-filters { flex-wrap:nowrap; gap:8px; margin-bottom:8px; width:100%; }
  .inventory-filters input,
  .inventory-filters select { flex:1; min-width:0; padding:10px 12px; font-size:0.85rem; }
  .inventory-filters button.clear-btn { flex:1; padding:10px 12px; font-size:0.85rem; }

  .inventory-summary-row { display:flex; flex-direction:row; align-items:stretch; gap:24px; margin-bottom:16px; }
  .inventory-summary-row .summary-grid { flex:0 0 40%; grid-template-columns:1fr 1fr; gap:12px; margin-bottom:0; }
  .inventory-actions-col { flex:0 0 60%; display:flex; flex-direction:column; gap:8px; }
  .inventory-btn-group { display:flex; flex-direction:row; gap:8px; }
  .inventory-btn-group .btn { flex:1; font-size:0.85rem; padding:12px 16px; }
  .product-header { display:none !important; }
  .batch-header { display:none !important; }
  .inventory-action-btns { display:none; }
}

/* ---------- 14.4 Móvil pequeño (max 700px) ---------- */
@media (max-width:700px) {
  .showcase-item { gap:14px; align-items:stretch; }
  .showcase-item.dir-reverse { flex-direction:row-reverse; }
  .showcase-item .mini-ui { width:160px !important; box-shadow:0 8px 22px rgba(0,0,0,0.25); align-self:center; }
  .mini-ui-head { padding:10px 12px; gap:6px; }
  .mini-ui-head-icon { width:22px; height:22px; border-radius:6px; }
  .mini-ui-head-icon svg { width:11px; height:11px; }
  .mini-ui-head-title { font-size:0.72rem; }
  .mini-ui-head-sub { font-size:0.54rem; padding:2px 7px; border-radius:7px; }
  .mini-ui-body { padding:10px 12px; gap:5px; }
  .mini-ui-row { font-size:0.64rem; gap:5px; padding:4px 0; }
  .mini-ui-row .mini-ui-code { font-size:0.58rem; min-width:22px; }
  .mini-ui-row .mini-ui-name { font-size:0.66rem; }
  .mini-ui-row .mini-ui-qty { font-size:0.58rem; }
  .mini-ui-row .mini-ui-price { font-size:0.66rem; }
  .mini-ui-row .mini-ui-stock { font-size:0.68rem; min-width:16px; }
  .mini-ui-total { font-size:0.66rem; padding-top:8px; margin-top:3px; }
  .mini-ui-total strong { font-size:0.94rem; }
  .mini-ui-summary-grid { gap:5px; }
  .mini-ui-summary-item { padding:7px 5px; border-radius:8px; }
  .mini-ui-summary-value { font-size:0.76rem; }
  .mini-ui-summary-label { font-size:0.52rem; margin-top:3px; }
  .mini-ui-balance { padding:11px 12px; border-radius:10px; }
  .mini-ui-balance-label { font-size:0.6rem; }
  .mini-ui-balance-value { font-size:1rem; }
  .mini-ui-mov { padding:5px 0; gap:5px; }
  .mini-ui-mov-title { font-size:0.62rem; }
  .mini-ui-mov-date { font-size:0.54rem; }
  .mini-ui-mov-amount { font-size:0.68rem; }
  .showcase-item-text { flex:1 1 auto; min-width:0; max-width:none; }
  .showcase-item-title { font-size:1rem; margin-bottom:8px; }
  .showcase-item-desc { font-size:0.74rem; line-height:1.55; }
  .landing-title { font-size:1.35rem; letter-spacing:-0.6px; margin-bottom:18px; }
}

/* ---------- 14.5 Móvil pequeño (max 600px) ---------- */
@media (max-width:600px) {
  .hide-on-small { display:none !important; }
  .inventory-filters input,
  .inventory-filters select { flex:1 1 calc(50% - 3px); }
  .inventory-filters button.clear-btn { flex:1 1 100%; }
  .inventory-action-btns { display:flex; }
  .inventory-action-btns .btn { flex:1; }
  .wallet-filter-bar input,
  .wallet-filter-bar button { flex:1 1 50%; padding:8px 10px; font-size:0.8rem; }
  .product-header { display:none; }
  .batch-header { display:none; }
  .batch-item { flex-wrap:nowrap; gap:4px; padding:8px 4px; font-size:0.7rem; width:100%; box-sizing:border-box; }
  .batch-item .batch-date { width:42px; font-size:0.65rem; }
  .batch-item .batch-stock { width:28px; font-size:0.7rem; }
  .batch-item .batch-purchase { width:42px; font-size:0.65rem; }
  .batch-item .batch-wholesale { width:42px; font-size:0.65rem; }
  .batch-item .batch-sale { width:42px; font-size:0.65rem; margin-right:8px; }
  .batch-item .btn-xs { padding:2px 5px; font-size:0.6rem; }
  .cart-tab { padding:7px 14px; font-size:0.8rem; border-radius:22px; background:var(--card); box-shadow:0 1px 3px rgba(0,0,0,0.05); border:1px solid transparent; }
  .cart-tab.active { background:var(--accent-light); border-color:var(--accent); color:var(--accent); box-shadow:0 2px 8px rgba(0,0,0,0.1); }
  .showcase { padding:14px 18px 32px; gap:40px; }
  .showcase-note { padding:0 18px; margin:0 0 32px 0; }
  .showcase-note-inner { padding:16px 18px; gap:12px; border-radius:18px; }
  .showcase-note-icon { width:32px; height:32px; border-radius:9px; }
  .showcase-note-icon svg { width:15px; height:15px; }
  .showcase-note-text { font-size:0.75rem; line-height:1.55; }
  .mini-faq-section { padding:0 18px; margin:0 0 24px 0; }
  .mini-faq-title { font-size:1.15rem; margin-bottom:16px; }
  .mini-faq-item { padding:14px 16px; border-radius:14px; }
  .mini-faq-item summary { font-size:0.85rem; }
  .mini-faq-item .mini-faq-content p { font-size:0.74rem; line-height:1.55; }
  .contact-section { padding:0 18px 40px; margin-top:0; }
  .contact-grid { padding:26px 20px; border-radius:22px; }
  .landing-title { font-size:1.25rem; letter-spacing:-0.5px; margin-bottom:16px; }
  .wallet-layout > div:first-child { margin-bottom:22px; }
}

/* ---------- 14.6 Desktop grande (>951px) landing ---------- */
@media(min-width:951px) {
  .landing-hero { padding:20px 24px 18px; }
  .landing-features { gap:20px; }
  .landing-feature { padding:24px 20px; }
}

/* ============================================================
   15. SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { display:none; }
html, body { scrollbar-width:none; -ms-overflow-style:none; }