/* ──────────────────────────────────────────────────
   PandaIA — Custom styles
   Tipografía: Montserrat (sans), JetBrains Mono (data)
   Paleta: Cream (#FAFAF7) + Navy (#0F1E3D) + Bull/Bear
   ────────────────────────────────────────────────── */

:root {
  --navy: #0F1E3D;
  --navy-deep: #050B1A;
  --cream: #FAFAF7;
  --bull: #10B981;
  --bear: #EF4444;
  --warning: #F59E0B;
}

html { scroll-behavior: smooth; }

body {
  font-feature-settings: "ss01", "cv11";
  letter-spacing: -0.01em;
}

/* ─── Animaciones ─────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(16, 185, 129, 0); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes bambooSway {
  0%, 100% { transform: rotate(-1deg); }
  50% { transform: rotate(1deg); }
}

/* ─── Gradient meshes para landing ────────────────── */
.mesh-bg {
  background-image:
    radial-gradient(at 20% 20%, rgba(15, 30, 61, 0.06) 0px, transparent 50%),
    radial-gradient(at 80% 70%, rgba(16, 185, 129, 0.08) 0px, transparent 50%),
    radial-gradient(at 70% 10%, rgba(15, 30, 61, 0.04) 0px, transparent 50%);
}

.dark .mesh-bg {
  background-image:
    radial-gradient(at 20% 20%, rgba(47, 73, 131, 0.25) 0px, transparent 50%),
    radial-gradient(at 80% 70%, rgba(16, 185, 129, 0.12) 0px, transparent 50%),
    radial-gradient(at 70% 10%, rgba(15, 30, 61, 0.5) 0px, transparent 50%);
}

/* ─── Grano sutil en fondos ───────────────────────── */
.grain::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' /%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
  opacity: 0.04;
  pointer-events: none;
  mix-blend-mode: multiply;
}

.dark .grain::after { mix-blend-mode: screen; opacity: 0.03; }

/* ─── Scrollbar custom ────────────────────────────── */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(15, 30, 61, 0.15); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: rgba(15, 30, 61, 0.3); }
.dark ::-webkit-scrollbar-thumb { background: rgba(250, 250, 247, 0.15); }
.dark ::-webkit-scrollbar-thumb:hover { background: rgba(250, 250, 247, 0.3); }

/* ─── Card con bordes elegantes ───────────────────── */
.panda-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(15, 30, 61, 0.08);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.panda-card:hover {
  border-color: rgba(15, 30, 61, 0.16);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px -8px rgba(15, 30, 61, 0.12);
}

.dark .panda-card {
  background: rgba(15, 30, 61, 0.4);
  border-color: rgba(250, 250, 247, 0.08);
}

.dark .panda-card:hover {
  border-color: rgba(250, 250, 247, 0.18);
  box-shadow: 0 12px 40px -8px rgba(0, 0, 0, 0.5);
}

/* ─── Botón principal con efecto glow ─────────────── */
.btn-primary {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  transition: all 0.2s ease;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.15),
    transparent
  );
  transition: left 0.5s;
}

.btn-primary:hover::before { left: 100%; }

/* ─── Tab indicator animado ───────────────────────── */
.tab-indicator {
  position: absolute;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--navy), var(--bull));
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Status pill con pulse ───────────────────────── */
.status-on {
  position: relative;
}
.status-on::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 9999px;
  background: rgba(16, 185, 129, 0.3);
  animation: pulseGlow 2s ease-in-out infinite;
  z-index: -1;
}

/* ─── Datos numéricos ─────────────────────────────── */
.tabular-nums {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

/* ─── Hover de filas ──────────────────────────────── */
.row-hover {
  transition: background 0.15s ease;
}
.row-hover:hover {
  background: rgba(15, 30, 61, 0.04);
}
.dark .row-hover:hover {
  background: rgba(250, 250, 247, 0.04);
}

/* ─── Fix splash hidden ───────────────────────────── */
#splash.hidden {
  opacity: 0;
  pointer-events: none;
}

/* ─── Inputs custom ───────────────────────────────── */
.panda-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(15, 30, 61, 0.12);
  border-radius: 0.5rem;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  color: var(--navy);
}

.panda-input:focus {
  outline: none;
  border-color: var(--navy);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 0 0 4px rgba(15, 30, 61, 0.08);
}

.dark .panda-input {
  background: rgba(5, 11, 26, 0.6);
  border-color: rgba(250, 250, 247, 0.15);
  color: var(--cream);
}

.dark .panda-input:focus {
  border-color: rgba(250, 250, 247, 0.4);
  background: rgba(15, 30, 61, 0.6);
  box-shadow: 0 0 0 4px rgba(250, 250, 247, 0.1);
}

/* ─── Decoración bambú (landing) ──────────────────── */
.bamboo-deco {
  animation: bambooSway 4s ease-in-out infinite;
  transform-origin: bottom center;
}

/* ─── Spinner ─────────────────────────────────────── */
.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid rgba(15, 30, 61, 0.1);
  border-top-color: var(--navy);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.dark .spinner {
  border-color: rgba(250, 250, 247, 0.1);
  border-top-color: var(--cream);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ─── Mobile-first responsive helpers ─────────────── */
@media (max-width: 640px) {
  .desktop-only { display: none !important; }
}
@media (min-width: 641px) {
  .mobile-only { display: none !important; }
}