/* ============================================================
   BËZIER FLOW — base.css
   Variables globales · Reset · Tipografía
   v2.0 · Mayo 2026
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');

/* ── TOKENS DE COLOR ─────────────────────────────────────── */
:root {
  /* Marca — Verde lima (logo "flow", mascota) */
  --color-primary:        #60EB2E;
  --color-primary-hover:  #50CC22;
  --color-primary-light:  #E8FFF0;
  --color-secondary:      #6EC1E4;

  /* Teal — item activo sidebar, "Plan actual", links destacados */
  --color-teal:           #09D4BA;
  --color-teal-hover:     #07BDA6;
  --color-teal-light:     #E0FAF7;

  /* Acción / CTAs principales (botones de submit, pantallas de auth) */
  --color-action:         #3D01AD;
  --color-action-hover:   #2E0182;
  --color-action-light:   #EEF2FF;

  /* Grises */
  --color-sidebar:        #242424;
  --color-text-main:      #54595F;
  --color-text-secondary: #7A7A7A;
  --color-border:         #7A7A7A;
  --color-border-light:   #E5E7EB;
  --color-bg-page:        #F7F8FA;
  --color-bg-card:        #FFFFFF;
  --color-bg-input:       #FFFFFF;
  --color-bg-kpi:         #F5F5F5;

  /* Estados de requerimiento */
  --color-pendiente:      #8B5CF6;
  --color-pendiente-bg:   #EDE9FE;
  --color-proceso:        #F59E0B;
  --color-proceso-bg:     #FEF3C7;
  --color-revision:       #3B82F6;
  --color-revision-bg:    #DBEAFE;
  --color-ajustes:        #EF4444;
  --color-ajustes-bg:     #FEE2E2;
  --color-finalizado:     #22C55E;
  --color-finalizado-bg:  #DCFCE7;

  /* Semánticos */
  --color-error:          #EF4444;
  --color-error-bg:       #FEE2E2;
  --color-success:        #09D4BA;
  --color-success-bg:     #E0FAF7;
  --color-warning:        #F59E0B;

  /* Tipografía */
  --font-family:          'Roboto', sans-serif;
  --font-size-h1:         28px;
  --font-size-h2:         22px;
  --font-size-h3:         16px;
  --font-size-body:       14px;
  --font-size-label:      12px;

  /* Espaciado */
  --spacing-xs:           4px;
  --spacing-sm:           8px;
  --spacing-md:           16px;
  --spacing-lg:           24px;
  --spacing-xl:           32px;
  --spacing-2xl:          48px;

  /* Bordes */
  --radius-sm:            6px;
  --radius-md:            8px;
  --radius-lg:            12px;
  --radius-pill:          20px;
  --radius-full:          9999px;

  /* Sombras */
  --shadow-sm:            0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:            0 4px 12px rgba(0,0,0,0.10);
  --shadow-lg:            0 8px 24px rgba(0,0,0,0.12);

  /* Layout */
  --sidebar-width:        240px;
  --topbar-height:        64px;
  --content-max-width:    1200px;

  /* Transiciones */
  --transition-fast:      150ms ease;
  --transition-base:      250ms ease;
  --transition-slow:      400ms ease;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  color: var(--color-text-main);
  background-color: var(--color-bg-page);
  line-height: 1.6;
  min-height: 100vh;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-hover);
}

ul, ol {
  list-style: none;
}

input, textarea, select, button {
  font-family: var(--font-family);
  font-size: var(--font-size-body);
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ── TIPOGRAFÍA ─────────────────────────────────────────── */
h1, .h1 {
  font-size: var(--font-size-h1);
  font-weight: 700;
  color: var(--color-text-main);
  line-height: 1.2;
}

h2, .h2 {
  font-size: var(--font-size-h2);
  font-weight: 600;
  color: var(--color-text-main);
  line-height: 1.3;
}

h3, .h3 {
  font-size: var(--font-size-h3);
  font-weight: 600;
  color: var(--color-text-main);
  line-height: 1.4;
}

p {
  font-size: var(--font-size-body);
  color: var(--color-text-main);
  line-height: 1.6;
}

.text-secondary {
  color: var(--color-text-secondary);
}

.text-small {
  font-size: var(--font-size-label);
}

.text-label {
  font-size: var(--font-size-label);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.text-primary {
  color: var(--color-primary);
}

.text-error {
  color: var(--color-error);
}

/* ── LAYOUT BASE (con sidebar) ──────────────────────────── */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.app-main {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-content {
  padding: var(--spacing-xl);
  max-width: var(--content-max-width);
  width: 100%;
  flex: 1;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
  gap: var(--spacing-md);
}

.page-title {
  font-size: var(--font-size-h2);
  font-weight: 700;
  color: var(--color-text-main);
}

.page-subtitle {
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-xs);
}

/* ── LAYOUT CENTRADO (login/register) ───────────────────── */
.auth-layout {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-page);
  padding: var(--spacing-lg);
}

/* ── UTILIDADES ─────────────────────────────────────────── */
.flex         { display: flex; }
.flex-col     { flex-direction: column; }
.items-center { align-items: center; }
.items-start  { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center  { justify-content: center; }
.gap-xs       { gap: var(--spacing-xs); }
.gap-sm       { gap: var(--spacing-sm); }
.gap-md       { gap: var(--spacing-md); }
.gap-lg       { gap: var(--spacing-lg); }
.w-full       { width: 100%; }
.mt-sm        { margin-top: var(--spacing-sm); }
.mt-md        { margin-top: var(--spacing-md); }
.mt-lg        { margin-top: var(--spacing-lg); }
.mb-md        { margin-bottom: var(--spacing-md); }
.mb-lg        { margin-bottom: var(--spacing-lg); }
.hidden       { display: none !important; }
.sr-only      {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ── SCROLLBAR PERSONALIZADO ────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg-page);
}
::-webkit-scrollbar-thumb {
  background: var(--color-border-light);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-secondary);
}

/* ── TOASTS / NOTIFICACIONES ────────────────────────────── */
.toast-container {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  pointer-events: none;
}

.toast {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: var(--spacing-md) var(--spacing-lg);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--color-primary);
  font-size: var(--font-size-body);
  color: var(--color-text-main);
  pointer-events: all;
  animation: toastIn var(--transition-base) ease;
  max-width: 360px;
}

.toast.toast-error {
  border-left-color: var(--color-error);
}

.toast.toast-success {
  border-left-color: var(--color-primary);
}

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

/* ── DIVISOR ─────────────────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--color-border-light);
  margin: var(--spacing-lg) 0;
}

/* ── SPINNER DE CARGA ────────────────────────────────────── */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-border-light);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto;
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 4px;
}

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

/* ── EMPTY STATE ─────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-xl);
  gap: var(--spacing-md);
  color: var(--color-text-secondary);
}

.empty-state-icon {
  font-size: 48px;
  opacity: 0.4;
  margin-bottom: var(--spacing-sm);
}

.empty-state h3 {
  color: var(--color-text-main);
  font-size: var(--font-size-h3);
}

.empty-state p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-body);
  max-width: 380px;
}

/* ── LOADING PAGE ────────────────────────────────────────── */
.page-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
}
/* ── RESPONSIVE GLOBAL — v2.1 ───────────────────────────── */
/* Tipografías adaptadas con clamp() para evitar texto desbordado */
@media (max-width: 480px) {
  :root {
    --font-size-h1:   clamp(20px, 5vw, 28px);
    --font-size-h2:   clamp(17px, 4vw, 22px);
    --font-size-h3:   clamp(14px, 3.5vw, 16px);
    --spacing-xl:     20px;
    --spacing-2xl:    32px;
  }
}

/* page-content padding reducido en móvil pequeño */
@media (max-width: 480px) {
  .page-content { padding: 12px !important; }
}

/* Toast no desborde en pantallas pequeñas */
@media (max-width: 480px) {
  .toast-container { right: 12px; left: 12px; }
  .toast { max-width: 100%; }
}