/* ============================================================
   SYNTRA — Design System CSS
   Versão: 1.0
   Fonte: Jost (Google Fonts)
   Descrição: CSS global de design para todos os projetos Syntra
   ============================================================ */

/* ------------------------------------------------------------
   1. IMPORTAÇÃO DA FONTE
   ------------------------------------------------------------ */
@import url('https://fonts.googleapis.com/css2?family=Jost:ital,wght@0,100..900;1,100..900&display=swap');


/* ------------------------------------------------------------
   2. VARIÁVEIS DE DESIGN (CSS CUSTOM PROPERTIES)
   ------------------------------------------------------------ */
:root {

  /* === CORES PRIMÁRIAS === */
  --syntra-black:           #000000;
  --syntra-white:           #FFFFFF;

  /* === ROXOS PRINCIPAIS (extraídos da identidade visual) === */
  --syntra-purple-900:      #14003C;   /* roxo mais escuro */
  --syntra-purple-800:      #1E0050;   /* roxo profundo */
  --syntra-purple-700:      #28146E;   /* roxo escuro */
  --syntra-purple-600:      #3C2878;   /* roxo médio escuro */
  --syntra-purple-500:      #502878;   /* roxo médio */
  --syntra-purple-400:      #643C8C;   /* roxo médio claro */
  --syntra-purple-300:      #8B5CF6;   /* roxo destaque */
  --syntra-purple-200:      #A78BFA;   /* lilás */
  --syntra-purple-100:      #DDD6FE;   /* lilás claro */
  --syntra-purple-50:       #F5F3FF;   /* lilás suave */

  /* === AZUL DE APOIO (gradiente do logo) === */
  --syntra-blue-800:        #1E3A8A;
  --syntra-blue-600:        #2563EB;
  --syntra-blue-400:        #60A5FA;
  --syntra-blue-200:        #BFDBFE;

  /* === NEUTROS === */
  --syntra-gray-950:        #09090B;
  --syntra-gray-900:        #111827;
  --syntra-gray-800:        #1F2937;
  --syntra-gray-700:        #374151;
  --syntra-gray-600:        #4B5563;
  --syntra-gray-500:        #6B7280;
  --syntra-gray-400:        #9CA3AF;
  --syntra-gray-300:        #D1D5DB;
  --syntra-gray-200:        #E5E7EB;
  --syntra-gray-100:        #F3F4F6;
  --syntra-gray-50:         #F9FAFB;

  /* === GRADIENTES === */
  --syntra-gradient-primary:   linear-gradient(135deg, #14003C 0%, #502878 50%, #8B5CF6 100%);
  --syntra-gradient-accent:    linear-gradient(135deg, #3C2878 0%, #643C8C 100%);
  --syntra-gradient-logo:      linear-gradient(135deg, #3B82F6 0%, #8B5CF6 50%, #14003C 100%);
  --syntra-gradient-purple:    linear-gradient(135deg, #502878 0%, #8B5CF6 100%);
  --syntra-gradient-light:     linear-gradient(135deg, #F5F3FF 0%, #EDE9FE 100%);
  --syntra-gradient-dark:      linear-gradient(180deg, #000000 0%, #14003C 100%);
  --syntra-gradient-card:      linear-gradient(135deg, rgba(80,40,120,0.15) 0%, rgba(139,92,246,0.08) 100%);

  /* === SEMÂNTICAS (uso em componentes) === */
  --color-bg:               var(--syntra-gray-50);
  --color-bg-dark:          var(--syntra-gray-950);
  --color-surface:          var(--syntra-white);
  --color-surface-dark:     var(--syntra-gray-900);
  --color-border:           var(--syntra-gray-200);
  --color-border-dark:      var(--syntra-gray-700);
  --color-text-primary:     var(--syntra-gray-900);
  --color-text-secondary:   var(--syntra-gray-500);
  --color-text-muted:       var(--syntra-gray-400);
  --color-text-on-dark:     var(--syntra-white);
  --color-primary:          var(--syntra-purple-500);
  --color-primary-hover:    var(--syntra-purple-600);
  --color-primary-light:    var(--syntra-purple-50);
  --color-accent:           var(--syntra-purple-300);
  --color-accent-soft:      var(--syntra-purple-100);

  /* === STATUS === */
  --color-success:          #10B981;
  --color-success-bg:       #D1FAE5;
  --color-warning:          #F59E0B;
  --color-warning-bg:       #FEF3C7;
  --color-error:            #EF4444;
  --color-error-bg:         #FEE2E2;
  --color-info:             #3B82F6;
  --color-info-bg:          #DBEAFE;

  /* === TIPOGRAFIA === */
  --font-family:            'Jost', sans-serif;
  --font-size-xs:           0.75rem;    /* 12px */
  --font-size-sm:           0.875rem;   /* 14px */
  --font-size-base:         1rem;       /* 16px */
  --font-size-md:           1.125rem;   /* 18px */
  --font-size-lg:           1.25rem;    /* 20px */
  --font-size-xl:           1.5rem;     /* 24px */
  --font-size-2xl:          1.875rem;   /* 30px */
  --font-size-3xl:          2.25rem;    /* 36px */
  --font-size-4xl:          3rem;       /* 48px */

  --font-weight-light:      300;
  --font-weight-regular:    400;
  --font-weight-medium:     500;
  --font-weight-semibold:   600;
  --font-weight-bold:       700;
  --font-weight-extrabold:  800;

  --line-height-tight:      1.2;
  --line-height-snug:       1.375;
  --line-height-normal:     1.5;
  --line-height-relaxed:    1.625;

  --letter-spacing-tight:   -0.02em;
  --letter-spacing-normal:  0em;
  --letter-spacing-wide:    0.02em;
  --letter-spacing-wider:   0.05em;

  /* === ESPAÇAMENTO === */
  --space-1:  0.25rem;   /* 4px */
  --space-2:  0.5rem;    /* 8px */
  --space-3:  0.75rem;   /* 12px */
  --space-4:  1rem;      /* 16px */
  --space-5:  1.25rem;   /* 20px */
  --space-6:  1.5rem;    /* 24px */
  --space-8:  2rem;      /* 32px */
  --space-10: 2.5rem;    /* 40px */
  --space-12: 3rem;      /* 48px */
  --space-16: 4rem;      /* 64px */
  --space-20: 5rem;      /* 80px */
  --space-24: 6rem;      /* 96px */

  /* === BORDAS === */
  --radius-sm:    0.25rem;   /* 4px */
  --radius-md:    0.5rem;    /* 8px */
  --radius-lg:    0.75rem;   /* 12px */
  --radius-xl:    1rem;      /* 16px */
  --radius-2xl:   1.5rem;    /* 24px */
  --radius-full:  9999px;

  --border-width:   1px;
  --border-color:   var(--syntra-gray-200);

  /* === SOMBRAS === */
  --shadow-xs:   0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:   0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.05);
  --shadow-lg:   0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --shadow-xl:   0 20px 25px rgba(0,0,0,0.1), 0 10px 10px rgba(0,0,0,0.04);
  --shadow-2xl:  0 25px 50px rgba(0,0,0,0.15);
  --shadow-purple-sm:  0 2px 8px rgba(80,40,120,0.2);
  --shadow-purple-md:  0 4px 16px rgba(80,40,120,0.3);
  --shadow-purple-lg:  0 8px 32px rgba(80,40,120,0.4);

  /* === TRANSIÇÕES === */
  --transition-fast:    150ms ease;
  --transition-base:    200ms ease;
  --transition-slow:    300ms ease;
  --transition-slower:  500ms ease;

  /* === Z-INDEX === */
  --z-base:     0;
  --z-raised:   10;
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-overlay:  300;
  --z-modal:    400;
  --z-toast:    500;
  --z-tooltip:  600;
}


/* ------------------------------------------------------------
   3. RESET E BASE GLOBAL
   ------------------------------------------------------------ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--syntra-purple-300);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--syntra-purple-400);
}

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

ul, ol {
  list-style: none;
}


/* ------------------------------------------------------------
   4. TIPOGRAFIA
   ------------------------------------------------------------ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-text-primary);
}

h1 { font-size: var(--font-size-3xl); font-weight: var(--font-weight-bold); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-md); }
h6 { font-size: var(--font-size-base); }

p {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
}

.text-xs     { font-size: var(--font-size-xs); }
.text-sm     { font-size: var(--font-size-sm); }
.text-base   { font-size: var(--font-size-base); }
.text-md     { font-size: var(--font-size-md); }
.text-lg     { font-size: var(--font-size-lg); }
.text-xl     { font-size: var(--font-size-xl); }
.text-2xl    { font-size: var(--font-size-2xl); }
.text-3xl    { font-size: var(--font-size-3xl); }

.font-light      { font-weight: var(--font-weight-light); }
.font-regular    { font-weight: var(--font-weight-regular); }
.font-medium     { font-weight: var(--font-weight-medium); }
.font-semibold   { font-weight: var(--font-weight-semibold); }
.font-bold       { font-weight: var(--font-weight-bold); }

.text-primary    { color: var(--color-text-primary); }
.text-secondary  { color: var(--color-text-secondary); }
.text-muted      { color: var(--color-text-muted); }
.text-purple     { color: var(--syntra-purple-300); }
.text-white      { color: var(--syntra-white); }


/* ------------------------------------------------------------
   5. LAYOUT
   ------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-sm  { max-width: 768px; }
.container-md  { max-width: 1024px; }
.container-lg  { max-width: 1280px; }
.container-xl  { max-width: 1536px; }

.syntra-layout {
  display: flex;
  min-height: 100vh;
  background-color: var(--color-bg);
}

.syntra-sidebar {
  width: 260px;
  min-height: 100vh;
  background-color: var(--syntra-white);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--z-sticky);
  box-shadow: var(--shadow-sm);
}

.syntra-main {
  flex: 1;
  margin-left: 260px;
  min-height: 100vh;
  background-color: var(--color-bg);
}

.syntra-topbar {
  height: 64px;
  background-color: var(--syntra-white);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 var(--space-8);
  position: sticky;
  top: 0;
  z-index: var(--z-raised);
}

.syntra-content {
  padding: var(--space-8);
}

.syntra-page-header {
  margin-bottom: var(--space-8);
}

.syntra-page-header h1 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.syntra-page-header p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}


/* ------------------------------------------------------------
   6. CARDS
   ------------------------------------------------------------ */
.card {
  background-color: var(--syntra-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

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

.card-purple {
  background: var(--syntra-gradient-card);
  border: 1px solid rgba(139,92,246,0.25);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  backdrop-filter: blur(12px);
}

.card-dark {
  background-color: var(--syntra-gray-900);
  border: 1px solid var(--syntra-gray-700);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.card-gradient {
  background: var(--syntra-gradient-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  color: var(--syntra-white);
}

.card-glass {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
}

.metric-card {
  background: var(--syntra-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.metric-card:hover {
  box-shadow: var(--shadow-purple-sm);
  transform: translateY(-2px);
}

.metric-card__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
}

.metric-card__value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: 1;
}

.metric-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  background: var(--syntra-gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--syntra-purple-300);
}


/* ------------------------------------------------------------
   7. BOTÕES
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary */
.btn-primary {
  background: var(--syntra-gradient-purple);
  color: var(--syntra-white);
  border-color: transparent;
  box-shadow: var(--shadow-purple-sm);
}
.btn-primary:hover {
  background: var(--syntra-gradient-accent);
  box-shadow: var(--shadow-purple-md);
  transform: translateY(-1px);
}

/* Secondary */
.btn-secondary {
  background: var(--syntra-white);
  color: var(--syntra-purple-500);
  border-color: var(--syntra-purple-200);
}
.btn-secondary:hover {
  background: var(--syntra-purple-50);
  border-color: var(--syntra-purple-300);
}

/* Ghost */
.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}
.btn-ghost:hover {
  background: var(--syntra-gray-100);
  color: var(--color-text-primary);
}

/* Danger */
.btn-danger {
  background: var(--color-error);
  color: var(--syntra-white);
  border-color: transparent;
}
.btn-danger:hover {
  background: #DC2626;
  box-shadow: 0 4px 12px rgba(239,68,68,0.3);
}

/* Dark */
.btn-dark {
  background: var(--syntra-gray-900);
  color: var(--syntra-white);
  border-color: var(--syntra-gray-700);
}
.btn-dark:hover {
  background: var(--syntra-gray-800);
}

/* Tamanhos */
.btn-xs  { font-size: var(--font-size-xs);  padding: var(--space-1) var(--space-3); }
.btn-sm  { font-size: var(--font-size-sm);  padding: var(--space-2) var(--space-4); }
.btn-lg  { font-size: var(--font-size-md);  padding: var(--space-4) var(--space-8); border-radius: var(--radius-xl); }
.btn-xl  { font-size: var(--font-size-lg);  padding: var(--space-5) var(--space-10); border-radius: var(--radius-xl); }
.btn-icon { padding: var(--space-3); }


/* ------------------------------------------------------------
   8. BADGES / STATUS
   ------------------------------------------------------------ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-family);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

.badge-purple  { background: var(--syntra-purple-100); color: var(--syntra-purple-700); }
.badge-success { background: var(--color-success-bg); color: var(--color-success); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-error   { background: var(--color-error-bg); color: var(--color-error); }
.badge-info    { background: var(--color-info-bg); color: var(--color-info); }
.badge-gray    { background: var(--syntra-gray-100); color: var(--syntra-gray-600); }
.badge-dark    { background: var(--syntra-gray-900); color: var(--syntra-white); }

.badge--dot::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: currentColor;
  flex-shrink: 0;
}

.badge--pulse::before {
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}


/* ------------------------------------------------------------
   9. INPUTS E FORMULÁRIOS
   ------------------------------------------------------------ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.form-input {
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  background-color: var(--syntra-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  width: 100%;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

.form-input:focus {
  border-color: var(--syntra-purple-300);
  box-shadow: 0 0 0 3px rgba(139,92,246,0.15);
}

.form-input:disabled {
  background: var(--syntra-gray-100);
  cursor: not-allowed;
  opacity: 0.7;
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-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='%236B7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-error);
}


/* ------------------------------------------------------------
   10. TABELAS
   ------------------------------------------------------------ */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--syntra-white);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
}

.table thead {
  background: var(--syntra-gray-50);
  border-bottom: 1px solid var(--color-border);
}

.table th {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  padding: var(--space-4) var(--space-5);
  text-align: left;
  white-space: nowrap;
}

.table td {
  padding: var(--space-4) var(--space-5);
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--syntra-gray-100);
  vertical-align: middle;
}

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

.table tbody tr {
  transition: background var(--transition-fast);
}

.table tbody tr:hover {
  background: var(--syntra-gray-50);
}


/* ------------------------------------------------------------
   11. SIDEBAR NAVIGATION
   ------------------------------------------------------------ */
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.sidebar-logo__text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  letter-spacing: var(--letter-spacing-tight);
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  border: 1px solid transparent;
}

.nav-item:hover {
  background: var(--syntra-purple-50);
  color: var(--syntra-purple-500);
}

.nav-item.active {
  background: var(--syntra-gradient-card);
  color: var(--syntra-purple-600);
  border-color: rgba(139,92,246,0.2);
  font-weight: var(--font-weight-semibold);
}

.nav-item__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: var(--space-4) var(--space-3);
  border-top: 1px solid var(--color-border);
}


/* ------------------------------------------------------------
   12. MODAIS E DRAWERS
   ------------------------------------------------------------ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: var(--z-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.modal {
  background: var(--syntra-white);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow-2xl);
  z-index: var(--z-modal);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.modal-header h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

.modal-footer {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: 420px;
  background: var(--syntra-white);
  box-shadow: var(--shadow-2xl);
  z-index: var(--z-modal);
  display: flex;
  flex-direction: column;
  padding: var(--space-8);
  overflow-y: auto;
}


/* ------------------------------------------------------------
   13. TOAST / NOTIFICAÇÕES
   ------------------------------------------------------------ */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  z-index: var(--z-toast);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-xl);
  background: var(--syntra-white);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xl);
  min-width: 280px;
  max-width: 420px;
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  animation: slideInRight var(--transition-slow) ease;
}

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

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}


/* ------------------------------------------------------------
   14. SKELETON LOADING
   ------------------------------------------------------------ */
.skeleton {
  background: linear-gradient(90deg, var(--syntra-gray-200) 25%, var(--syntra-gray-100) 50%, var(--syntra-gray-200) 75%);
  background-size: 200% 100%;
  border-radius: var(--radius-md);
  animation: shimmer 1.5s infinite;
}

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

.skeleton-text  { height: 14px; width: 100%; }
.skeleton-title { height: 24px; width: 60%; }
.skeleton-card  { height: 120px; width: 100%; border-radius: var(--radius-xl); }
.skeleton-avatar { width: 40px; height: 40px; border-radius: var(--radius-full); }


/* ------------------------------------------------------------
   15. EMPTY STATE
   ------------------------------------------------------------ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-16) var(--space-8);
  text-align: center;
}

.empty-state__icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-2xl);
  background: var(--syntra-gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--syntra-purple-300);
}

.empty-state__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.empty-state__description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  max-width: 360px;
}


/* ------------------------------------------------------------
   16. DIVIDERS E SEPARADORES
   ------------------------------------------------------------ */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--space-6) 0;
}

.divider-purple {
  border-top-color: rgba(139,92,246,0.2);
}


/* ------------------------------------------------------------
   17. UTILITÁRIOS
   ------------------------------------------------------------ */
.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; }
.justify-end     { justify-content: flex-end; }
.gap-1         { gap: var(--space-1); }
.gap-2         { gap: var(--space-2); }
.gap-3         { gap: var(--space-3); }
.gap-4         { gap: var(--space-4); }
.gap-6         { gap: var(--space-6); }
.gap-8         { gap: var(--space-8); }
.grid          { display: grid; }
.grid-cols-2   { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3   { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4   { grid-template-columns: repeat(4, 1fr); }
.w-full        { width: 100%; }
.h-full        { height: 100%; }
.min-h-screen  { min-height: 100vh; }
.overflow-hidden { overflow: hidden; }
.rounded-full  { border-radius: var(--radius-full); }
.sr-only       { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }


/* ------------------------------------------------------------
   18. RESPONSIVIDADE
   ------------------------------------------------------------ */
@media (max-width: 1280px) {
  .container { padding: 0 var(--space-5); }
  .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .syntra-sidebar { width: 220px; }
  .syntra-main   { margin-left: 220px; }
  .grid-cols-3   { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .syntra-sidebar { transform: translateX(-100%); transition: transform var(--transition-slow); }
  .syntra-sidebar.open { transform: translateX(0); }
  .syntra-main   { margin-left: 0; }
  .drawer        { width: 100%; }
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4   { grid-template-columns: 1fr; }
  .syntra-content { padding: var(--space-4); }
}

@media (max-width: 480px) {
  h1 { font-size: var(--font-size-2xl); }
  h2 { font-size: var(--font-size-xl); }
  .modal { padding: var(--space-6); }
}