/* ============================================================
   POOL BALANCE — DESIGN SYSTEM
   Variables, tipografía, animaciones base y utilidades globales
   ============================================================ */

/* ── Variables CSS ── */
:root {
  /* Colores del sistema */
  --color-bruma:          #EEF1F5;
  --color-bruma-dark:     #E2E7EE;
  --color-marino:         #0E4569;
  --color-marino-dark:    #0a3350;
  --color-marino-light:   #1a5a82;
  --color-marino-xlight:  #e8f0f6;
  --color-arcilla:        #E8664A;
  --color-arcilla-dark:   #d44f33;
  --color-arcilla-light:  #fde8e3;
  --color-cristal:        #6FB8C6;
  --color-cristal-dark:   #5aa3b1;
  --color-cristal-light:  #d8eff3;

  /* Semánticos */
  --color-success:        #2D9E6B;
  --color-success-bg:     #e6f7f0;
  --color-warning:        #E8A838;
  --color-warning-bg:     #fdf3e0;
  --color-danger:         #D95C5C;
  --color-danger-bg:      #faeaea;

  /* Texto */
  --text-primary:         #0E4569;
  --text-secondary:       #4a6d84;
  --text-muted:           #8da9b8;
  --text-on-dark:         #ffffff;

  /* Layout */
  --sidebar-width:        260px;
  --bottom-nav-height:    80px;
  --content-max-width:    1100px;

  /* Bordes */
  --radius-sm:            8px;
  --radius-md:            12px;
  --radius-lg:            16px;
  --radius-xl:            20px;
  --radius-2xl:           28px;

  /* Sombras */
  --shadow-card:          0 2px 20px rgba(14,69,105,0.07);
  --shadow-card-hover:    0 8px 40px rgba(14,69,105,0.13);
  --shadow-nav:           0 -1px 0 rgba(14,69,105,0.08), 0 -4px 24px rgba(14,69,105,0.06);
  --shadow-sidebar:       2px 0 24px rgba(14,69,105,0.08);
  --shadow-btn:           0 4px 14px rgba(232,102,74,0.3);
  --shadow-hero:          0 20px 60px rgba(14,69,105,0.18);

  /* Transiciones */
  --transition-fast:      150ms ease;
  --transition-base:      250ms ease;
  --transition-slow:      400ms ease;
  --transition-spring:    350ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-index */
  --z-base:       1;
  --z-nav:        100;
  --z-sidebar:    200;
  --z-modal:      300;
  --z-toast:      400;
  --z-loader:     500;
}

/* ── Reset Base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: 'Bricolage Grotesque', system-ui, -apple-system, sans-serif;
  background-color: var(--color-bruma);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overscroll-behavior: none;
}

/* ── Tipografía Semántica ── */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Bricolage Grotesque', sans-serif;
  color: var(--text-primary);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(1.75rem, 5vw, 3rem); }
h2 { font-size: clamp(1.4rem, 3.5vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p { color: var(--text-secondary); line-height: 1.72; font-size: 1rem; }

/* ── Scrollbar personalizado ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(14,69,105,0.2);
  border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(14,69,105,0.35); }

/* ── Selección ── */
::selection {
  background: var(--color-cristal-light);
  color: var(--color-marino);
}

/* ── Focus accesible ── */
:focus-visible {
  outline: 2px solid var(--color-cristal);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ═══════════════════════════════════════════
   ANIMACIONES GLOBALES
═══════════════════════════════════════════ */

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInScale {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes pulse-soft {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.6; }
}

@keyframes loader-bar {
  0%   { width: 0%; }
  80%  { width: 90%; }
  100% { width: 100%; }
}

@keyframes wave {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ── Clases de animación aplicables ── */
.anim-fade-in       { animation: fadeIn 0.4s var(--transition-base) both; }
.anim-fade-in-up    { animation: fadeInUp 0.5s ease both; }
.anim-scale-in      { animation: fadeInScale 0.35s ease both; }
.anim-slide-left    { animation: slideInLeft 0.4s ease both; }

/* Delays para animaciones escalonadas */
.anim-delay-1 { animation-delay: 0.05s; }
.anim-delay-2 { animation-delay: 0.10s; }
.anim-delay-3 { animation-delay: 0.15s; }
.anim-delay-4 { animation-delay: 0.20s; }
.anim-delay-5 { animation-delay: 0.25s; }
.anim-delay-6 { animation-delay: 0.30s; }

/* ─────────────────────────────────────────
   SPLASH LOADER — con logo real y ondas
───────────────────────────────────────── */

.loader-waves {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.loader-wave {
  position: absolute;
  bottom: -10px;
  left: -50%;
  width: 200%;
  border-radius: 40%;
  background: rgba(111, 184, 198, 0.12);
  animation: wave-loader 6s infinite linear;
}
.loader-wave-1 {
  height: 160px;
  animation-duration: 7s;
  opacity: 0.6;
}
.loader-wave-2 {
  height: 120px;
  background: rgba(111, 184, 198, 0.08);
  animation-duration: 9s;
  animation-direction: reverse;
  bottom: -20px;
}
.loader-wave-3 {
  height: 90px;
  background: rgba(14, 69, 105, 0.25);
  animation-duration: 5s;
  bottom: 0;
}

@keyframes wave-loader {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loader-logo-wrap {
  position: relative;
  z-index: 1;
  animation: loader-logo-in 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  margin-bottom: 20px;
  filter: drop-shadow(0 8px 32px rgba(111,184,198,0.35));
}

@keyframes loader-logo-in {
  from { opacity: 0; transform: scale(0.7) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.loader-logo-img {
  width: 112px;
  height: 112px;
  object-fit: contain;
  border-radius: 28px;
  display: block;
}

.loader-brand {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  margin-bottom: 28px;
  animation: fadeIn 0.5s ease 0.4s both;
}

.loader-brand-name {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.01em;
}

.loader-brand-sub {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  color: rgba(111, 184, 198, 0.85);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.loader-bar-track {
  position: relative;
  z-index: 1;
  width: 80px;
  height: 3px;
  background: rgba(255,255,255,0.12);
  border-radius: 99px;
  overflow: hidden;
  animation: fadeIn 0.4s ease 0.5s both;
}

.loader-bar-fill {
  height: 100%;
  background: var(--color-cristal);
  border-radius: 99px;
  animation: loader-bar 1.6s ease-in-out forwards;
}

.loader-bar {
  animation: loader-bar 1.8s ease-in-out forwards;
}

/* ─────────────────────────────────────────
   SKELETON LOADER (para carga de datos)
───────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, #e2e8ee 25%, #eff2f5 50%, #e2e8ee 75%);
  background-size: 200% 100%;
  animation: wave 1.4s infinite;
  border-radius: var(--radius-md);
}

/* ─────────────────────────────────────────
   BADGE / CHIP
───────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.badge-marino   { background: var(--color-marino-xlight); color: var(--color-marino); }
.badge-arcilla  { background: var(--color-arcilla-light); color: var(--color-arcilla-dark); }
.badge-cristal  { background: var(--color-cristal-light); color: var(--color-cristal-dark); }
.badge-success  { background: var(--color-success-bg);   color: var(--color-success); }
.badge-warning  { background: var(--color-warning-bg);   color: #a0720a; }
.badge-danger   { background: var(--color-danger-bg);    color: var(--color-danger); }

/* ─────────────────────────────────────────
   BOTONES
───────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-lg);
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--color-arcilla);
  color: #fff;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
  background: var(--color-arcilla-dark);
  box-shadow: 0 6px 20px rgba(201,122,79,0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-marino);
  border: 1.5px solid rgba(14,69,105,0.2);
}
.btn-secondary:hover {
  background: var(--color-marino-xlight);
  border-color: var(--color-marino);
}

.btn-ghost {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.25);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.2);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.84rem;
  border-radius: var(--radius-md);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1rem;
  border-radius: var(--radius-xl);
}

.btn-full { width: 100%; }

.btn-whatsapp {
  background: #25D366;
  color: #fff;
  box-shadow: 0 4px 14px rgba(37,211,102,0.3);
}
.btn-whatsapp:hover {
  background: #1ebe5d;
  box-shadow: 0 6px 20px rgba(37,211,102,0.4);
}

/* ─────────────────────────────────────────
   CARDS
───────────────────────────────────────── */
.card {
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  overflow: hidden;
}
.card-hover:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}
.card-body { padding: 24px; }
.card-body-sm { padding: 16px; }
.card-body-lg { padding: 32px; }

/* ─────────────────────────────────────────
   INPUTS / FORMULARIOS
───────────────────────────────────────── */
.input-field {
  width: 100%;
  padding: 14px 16px;
  background: var(--color-bruma);
  border: 1.5px solid var(--color-bruma-dark);
  border-radius: var(--radius-md);
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 0.9375rem;
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}
.input-field:focus {
  border-color: var(--color-cristal);
  box-shadow: 0 0 0 3px rgba(111,184,198,0.2);
}
.input-field::placeholder { color: var(--text-muted); }

.input-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.input-wrapper { position: relative; }
.input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9375rem;
  pointer-events: none;
}
.input-field.with-icon { padding-left: 42px; }

/* ─────────────────────────────────────────
   DIVISOR
───────────────────────────────────────── */
.divider {
  border: none;
  height: 1px;
  background: rgba(14,69,105,0.08);
  margin: 0;
}

/* ─────────────────────────────────────────
   STAT CHIP
───────────────────────────────────────── */
.stat-chip {
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-lg);
  padding: 12px 16px;
  text-align: center;
}
.stat-chip-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}
.stat-chip-label {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.7);
  font-weight: 500;
  margin-top: 3px;
  line-height: 1.3;
}

/* ─────────────────────────────────────────
   SECTION HEADER
───────────────────────────────────────── */
.section-header {
  margin-bottom: 32px;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-arcilla);
  margin-bottom: 10px;
}
.section-eyebrow::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-arcilla);
  border-radius: 2px;
}
.section-title {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 12px;
}
.section-subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 600px;
  line-height: 1.7;
}

/* ─────────────────────────────────────────
   TOAST
───────────────────────────────────────── */
.toast {
  background: var(--color-marino);
  color: #fff;
  padding: 12px 16px;
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: 0 8px 32px rgba(14,69,105,0.25);
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: auto;
  animation: fadeInUp 0.3s ease both;
  border-left: 3px solid var(--color-cristal);
}
.toast-success { border-left-color: var(--color-success); }
.toast-warning { border-left-color: var(--color-warning); }
.toast-error   { border-left-color: var(--color-danger); }

/* ─────────────────────────────────────────
   PARAMETER BADGE (para bitácoras)
───────────────────────────────────────── */
.param-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--color-bruma);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  min-width: 70px;
}
.param-chip-value {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-marino);
  line-height: 1;
}
.param-chip-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 3px;
  text-align: center;
}
.param-chip.optimal { background: var(--color-success-bg); }
.param-chip.optimal .param-chip-value { color: var(--color-success); }
.param-chip.warning { background: var(--color-warning-bg); }
.param-chip.warning .param-chip-value { color: var(--color-warning); }
.param-chip.danger  { background: var(--color-danger-bg); }
.param-chip.danger  .param-chip-value { color: var(--color-danger); }