/* VEX CODE - Linear.app Design System */

/* ===== CORES LINEARES DARK THEME ===== */
:root {
  /* Background colors - Dark theme como Linear.app */
  --linear-bg-primary: #08090a;
  --linear-bg-secondary: #0f1012;
  --linear-bg-tertiary: #161718;
  --linear-bg-quaternary: #1d1e20;
  --linear-bg-overlay: rgba(8, 9, 10, 0.95);

  /* Text colors */
  --linear-text-primary: #ffffff;
  --linear-text-secondary: rgba(255, 255, 255, 0.8);
  --linear-text-tertiary: rgba(255, 255, 255, 0.6);
  --linear-text-quaternary: rgba(255, 255, 255, 0.4);
  --linear-text-disabled: rgba(255, 255, 255, 0.3);

  /* Accent colors */
  --linear-accent-primary: #5e6ad2;
  --linear-accent-secondary: #8b91d9;
  --linear-accent-success: #00d4aa;
  --linear-accent-warning: #f59e0b;
  --linear-accent-error: #ef4444;
  --linear-accent-info: #06b6d4;

  /* Border colors */
  --linear-border-primary: rgba(255, 255, 255, 0.1);
  --linear-border-secondary: rgba(255, 255, 255, 0.08);
  --linear-border-focus: var(--linear-accent-primary);

  /* Shadow system */
  --linear-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.2);
  --linear-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --linear-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
  --linear-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);

  /* Typography - Inter Variable como Linear.app */
  --linear-font-family: 'Inter Variable', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --linear-font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  /* Font sizes responsivas */
  --linear-text-xs: 0.75rem;
  --linear-text-sm: 0.875rem;
  --linear-text-base: 1rem;
  --linear-text-lg: 1.125rem;
  --linear-text-xl: 1.25rem;
  --linear-text-2xl: 1.5rem;
  --linear-text-3xl: 1.875rem;
  --linear-text-4xl: 2.25rem;

  /* Line heights */
  --linear-leading-tight: 1.25;
  --linear-leading-normal: 1.5;
  --linear-leading-relaxed: 1.625;

  /* Letter spacing preciso */
  --linear-tracking-tight: -0.025em;
  --linear-tracking-normal: 0em;
  --linear-tracking-wide: 0.025em;

  /* Border radius moderno */
  --linear-rounded-sm: 0.375rem;
  --linear-rounded-md: 0.5rem;
  --linear-rounded-lg: 0.75rem;
  --linear-rounded-xl: 1rem;
  --linear-rounded-full: 9999px;

  /* Spacing system */
  --linear-space-1: 0.25rem;
  --linear-space-2: 0.5rem;
  --linear-space-3: 0.75rem;
  --linear-space-4: 1rem;
  --linear-space-5: 1.25rem;
  --linear-space-6: 1.5rem;
  --linear-space-8: 2rem;
  --linear-space-10: 2.5rem;
  --linear-space-12: 3rem;
  --linear-space-16: 4rem;
  --linear-space-20: 5rem;

  /* Transitions suaves */
  --linear-transition-fast: 150ms ease-out;
  --linear-transition-normal: 200ms ease-out;
  --linear-transition-slow: 300ms ease-out;
}

/* ===== RESET & BASE STYLES ===== */
.linear-theme {
  font-family: var(--linear-font-family);
  background: var(--linear-bg-primary);
  color: var(--linear-text-primary);
  min-height: 100vh;
}

/* ===== COMPONENTES BASE LINEAR ===== */

/* Buttons modernos estilo Linear */
.linear-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--linear-space-2);
  padding: var(--linear-space-2) var(--linear-space-4);
  border-radius: var(--linear-rounded-md);
  font-size: var(--linear-text-sm);
  font-weight: 500;
  letter-spacing: var(--linear-tracking-tight);
  line-height: var(--linear-leading-tight);
  transition: all var(--linear-transition-fast);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.linear-btn:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--linear-border-focus);
}

.linear-btn-primary {
  background: var(--linear-accent-primary);
  color: white;
  border-color: var(--linear-accent-primary);
}

.linear-btn-primary:hover {
  background: var(--linear-accent-secondary);
  border-color: var(--linear-accent-secondary);
  transform: translateY(-1px);
  box-shadow: var(--linear-shadow-md);
}

.linear-btn-secondary {
  background: var(--linear-bg-tertiary);
  color: var(--linear-text-primary);
  border-color: var(--linear-border-primary);
}

.linear-btn-secondary:hover {
  background: var(--linear-bg-quaternary);
  border-color: var(--linear-border-secondary);
  transform: translateY(-1px);
}

.linear-btn-ghost {
  background: transparent;
  color: var(--linear-text-secondary);
  border-color: transparent;
}

.linear-btn-ghost:hover {
  background: var(--linear-bg-tertiary);
  color: var(--linear-text-primary);
}

/* Cards minimalistas */
.linear-card {
  background: var(--linear-bg-secondary);
  border: 1px solid var(--linear-border-primary);
  border-radius: var(--linear-rounded-lg);
  padding: var(--linear-space-6);
  box-shadow: var(--linear-shadow-sm);
  transition: all var(--linear-transition-normal);
}

.linear-card:hover {
  border-color: var(--linear-border-secondary);
  box-shadow: var(--linear-shadow-md);
  transform: translateY(-2px);
}

.linear-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--linear-space-4);
  padding-bottom: var(--linear-space-4);
  border-bottom: 1px solid var(--linear-border-primary);
}

.linear-card-title {
  font-size: var(--linear-text-lg);
  font-weight: 600;
  color: var(--linear-text-primary);
  letter-spacing: var(--linear-tracking-tight);
}

.linear-card-subtitle {
  font-size: var(--linear-text-sm);
  color: var(--linear-text-tertiary);
  margin-top: var(--linear-space-1);
}

/* Inputs modernos */
.linear-input {
  width: 100%;
  padding: var(--linear-space-3) var(--linear-space-4);
  background: var(--linear-bg-tertiary);
  border: 1px solid var(--linear-border-primary);
  border-radius: var(--linear-rounded-md);
  color: var(--linear-text-primary);
  font-size: var(--linear-text-sm);
  font-family: var(--linear-font-family);
  transition: all var(--linear-transition-fast);
}

.linear-input::placeholder {
  color: var(--linear-text-quaternary);
}

.linear-input:focus {
  outline: none;
  border-color: var(--linear-accent-primary);
  box-shadow: 0 0 0 3px rgba(94, 106, 210, 0.1);
  background: var(--linear-bg-quaternary);
}

.linear-input:hover:not(:focus) {
  border-color: var(--linear-border-secondary);
}

/* Labels e textos */
.linear-label {
  display: block;
  font-size: var(--linear-text-sm);
  font-weight: 500;
  color: var(--linear-text-secondary);
  margin-bottom: var(--linear-space-2);
  letter-spacing: var(--linear-tracking-tight);
}

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

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

.linear-text-tertiary {
  color: var(--linear-text-tertiary);
}

/* Ícones circulares estilo Linear */
.linear-icon-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--linear-rounded-full);
  transition: all var(--linear-transition-fast);
}

.linear-icon-sm {
  width: 2rem;
  height: 2rem;
}

.linear-icon-md {
  width: 2.5rem;
  height: 2.5rem;
}

.linear-icon-lg {
  width: 3rem;
  height: 3rem;
}

.linear-icon-primary {
  background: rgba(94, 106, 210, 0.1);
  color: var(--linear-accent-primary);
}

.linear-icon-success {
  background: rgba(0, 212, 170, 0.1);
  color: var(--linear-accent-success);
}

.linear-icon-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--linear-accent-warning);
}

.linear-icon-error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--linear-accent-error);
}

/* Stats cards estilo Linear */
.linear-stat-card {
  background: var(--linear-bg-secondary);
  border: 1px solid var(--linear-border-primary);
  border-radius: var(--linear-rounded-lg);
  padding: var(--linear-space-6);
  transition: all var(--linear-transition-normal);
  position: relative;
  overflow: hidden;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.linear-stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--linear-accent-primary), var(--linear-accent-secondary));
  opacity: 0;
  transition: opacity var(--linear-transition-fast);
}

.linear-stat-card:hover::before {
  opacity: 1;
}

.linear-stat-card:hover {
  border-color: var(--linear-border-secondary);
  transform: translateY(-2px);
  box-shadow: var(--linear-shadow-lg);
}

.linear-stat-value {
  font-size: var(--linear-text-2xl);
  font-weight: 700;
  color: var(--linear-text-primary);
  letter-spacing: var(--linear-tracking-tight);
  margin-bottom: var(--linear-space-1);
}

.linear-stat-label {
  font-size: var(--linear-text-sm);
  color: var(--linear-text-tertiary);
  letter-spacing: var(--linear-tracking-normal);
}

.linear-stat-change {
  font-size: var(--linear-text-xs);
  font-weight: 500;
  margin-top: var(--linear-space-2);
  padding: var(--linear-space-1) var(--linear-space-2);
  border-radius: var(--linear-rounded-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--linear-space-1);
}

.linear-stat-change.positive {
  background: rgba(0, 212, 170, 0.1);
  color: var(--linear-accent-success);
}

.linear-stat-change.negative {
  background: rgba(239, 68, 68, 0.1);
  color: var(--linear-accent-error);
}

/* Modais estilo Linear */
.linear-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 9, 10, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--linear-space-4);
  z-index: 50;
}

.linear-modal {
  background: var(--linear-bg-secondary);
  border: 1px solid var(--linear-border-primary);
  border-radius: var(--linear-rounded-xl);
  box-shadow: var(--linear-shadow-xl);
  max-width: 32rem;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  animation: modal-enter 200ms ease-out;
}

@keyframes modal-enter {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(-10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.linear-modal-header {
  padding: var(--linear-space-6) var(--linear-space-6) var(--linear-space-4);
  border-bottom: 1px solid var(--linear-border-primary);
}

.linear-modal-title {
  font-size: var(--linear-text-lg);
  font-weight: 600;
  color: var(--linear-text-primary);
  letter-spacing: var(--linear-tracking-tight);
}

.linear-modal-body {
  padding: var(--linear-space-6);
}

.linear-modal-footer {
  padding: var(--linear-space-4) var(--linear-space-6) var(--linear-space-6);
  border-top: 1px solid var(--linear-border-primary);
  display: flex;
  justify-content: flex-end;
  gap: var(--linear-space-3);
}

/* Sidebar estilo Linear */
.linear-sidebar {
  background: var(--linear-bg-secondary);
  border-right: 1px solid var(--linear-border-primary);
  width: 15rem;
  height: 100vh;
  flex-shrink: 0;
  z-index: 40;
  display: flex;
  flex-direction: column;
}

.linear-sidebar-header {
  padding: var(--linear-space-6);
  border-bottom: 1px solid var(--linear-border-primary);
  display: flex;
  align-items: center;
  gap: var(--linear-space-3);
}

.linear-sidebar-logo {
  width: 2rem;
  height: 2rem;
  background: var(--linear-accent-primary);
  border-radius: var(--linear-rounded-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.linear-sidebar-title {
  font-size: var(--linear-text-lg);
  font-weight: 600;
  color: var(--linear-text-primary);
  letter-spacing: var(--linear-tracking-tight);
}

.linear-sidebar-nav {
  flex: 1;
  padding: var(--linear-space-3);
  overflow-y: auto;
}

.linear-sidebar-item {
  display: flex;
  align-items: center;
  padding: var(--linear-space-3) var(--linear-space-4);
  color: var(--linear-text-secondary);
  font-size: var(--linear-text-sm);
  font-weight: 500;
  border-radius: var(--linear-rounded-md);
  transition: all var(--linear-transition-fast);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  text-decoration: none;
}

.linear-sidebar-item:hover {
  background: var(--linear-bg-tertiary);
  color: var(--linear-text-primary);
  transform: translateX(2px);
}

.linear-sidebar-item-active {
  background: var(--linear-bg-tertiary);
  color: var(--linear-text-primary);
  border-left: 3px solid var(--linear-accent-primary);
  padding-left: calc(var(--linear-space-4) - 3px);
}

.linear-sidebar-item-active:hover {
  transform: none;
}

.linear-sidebar-logout:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--linear-accent-error);
}

.linear-sidebar-divider {
  height: 1px;
  background: var(--linear-border-primary);
  margin: var(--linear-space-4) var(--linear-space-3);
}

.linear-sidebar-section {
  font-size: var(--linear-text-xs);
  font-weight: 600;
  color: var(--linear-text-tertiary);
  letter-spacing: var(--linear-tracking-wide);
  margin: var(--linear-space-3) var(--linear-space-4) var(--linear-space-2);
}

.linear-nav-item {
  display: flex;
  align-items: center;
  gap: var(--linear-space-3);
  padding: var(--linear-space-3) var(--linear-space-4);
  border-radius: var(--linear-rounded-md);
  color: var(--linear-text-secondary);
  text-decoration: none;
  font-size: var(--linear-text-sm);
  font-weight: 500;
  letter-spacing: var(--linear-tracking-tight);
  transition: all var(--linear-transition-fast);
  margin-bottom: var(--linear-space-1);
}

.linear-nav-item:hover {
  background: var(--linear-bg-tertiary);
  color: var(--linear-text-primary);
}

.linear-nav-item.active {
  background: rgba(94, 106, 210, 0.1);
  color: var(--linear-accent-primary);
  border-left: 2px solid var(--linear-accent-primary);
}

.linear-nav-icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

/* Content area com sidebar */
.linear-content {
  min-height: 100vh;
  background: var(--linear-bg-primary);
  flex: 1;
}

.linear-content-header {
  padding: var(--linear-space-6);
  border-bottom: 1px solid var(--linear-border-primary);
  background: var(--linear-bg-secondary);
}

.linear-content-title {
  font-size: var(--linear-text-2xl);
  font-weight: 700;
  color: var(--linear-text-primary);
  letter-spacing: var(--linear-tracking-tight);
  margin-bottom: var(--linear-space-2);
}

.linear-content-subtitle {
  font-size: var(--linear-text-base);
  color: var(--linear-text-secondary);
  letter-spacing: var(--linear-tracking-normal);
}

.linear-content-body {
  padding: var(--linear-space-6);
}

/* Tables estilo Linear */
.linear-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--linear-bg-secondary);
  border: 1px solid var(--linear-border-primary);
  border-radius: var(--linear-rounded-lg);
  overflow: hidden;
}

.linear-table th {
  background: var(--linear-bg-tertiary);
  padding: var(--linear-space-4);
  text-align: left;
  font-size: var(--linear-text-sm);
  font-weight: 600;
  color: var(--linear-text-secondary);
  letter-spacing: var(--linear-tracking-tight);
  border-bottom: 1px solid var(--linear-border-primary);
}

.linear-table td {
  padding: var(--linear-space-4);
  border-bottom: 1px solid var(--linear-border-primary);
  font-size: var(--linear-text-sm);
  color: var(--linear-text-primary);
}

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

.linear-table tr:hover {
  background: var(--linear-bg-tertiary);
}

/* Status badges */
.linear-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--linear-space-1);
  padding: var(--linear-space-1) var(--linear-space-2);
  border-radius: var(--linear-rounded-sm);
  font-size: var(--linear-text-xs);
  font-weight: 500;
  letter-spacing: var(--linear-tracking-tight);
}

.linear-badge-success {
  background: rgba(0, 212, 170, 0.1);
  color: var(--linear-accent-success);
}

.linear-badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--linear-accent-warning);
}

.linear-badge-error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--linear-accent-error);
}

.linear-badge-info {
  background: rgba(6, 182, 212, 0.1);
  color: var(--linear-accent-info);
}

.linear-badge-neutral {
  background: var(--linear-bg-quaternary);
  color: var(--linear-text-tertiary);
}

/* Loading states */
.linear-skeleton {
  background: linear-gradient(90deg, var(--linear-bg-tertiary) 25%, var(--linear-bg-quaternary) 50%, var(--linear-bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--linear-rounded-md);
}

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

/* Responsivo */
@media (max-width: 1024px) {
  .linear-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform var(--linear-transition-normal);
  }

  .linear-sidebar.open {
    transform: translateX(0);
  }

  .linear-content {
    width: 100%;
  }
}

/* Utilitários */
.linear-flex { display: flex; }
.linear-flex-col { flex-direction: column; }
.linear-items-center { align-items: center; }
.linear-justify-between { justify-content: space-between; }
.linear-gap-2 { gap: var(--linear-space-2); }
.linear-gap-3 { gap: var(--linear-space-3); }
.linear-gap-4 { gap: var(--linear-space-4); }
.linear-gap-6 { gap: var(--linear-space-6); }

.linear-grid { display: grid; }
.linear-grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.linear-grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.linear-grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.linear-grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* Responsive Grid */
@media (min-width: 640px) {
  .sm\:linear-grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
  .sm\:linear-grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\:linear-grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sm\:linear-grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
  .md\:linear-grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
  .md\:linear-grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:linear-grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:linear-grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .lg\:linear-grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
  .lg\:linear-grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lg\:linear-grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:linear-grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.linear-mb-4 { margin-bottom: var(--linear-space-4); }
.linear-mb-6 { margin-bottom: var(--linear-space-6); }
.linear-mb-8 { margin-bottom: var(--linear-space-8); }

.linear-p-4 { padding: var(--linear-space-4); }
.linear-p-6 { padding: var(--linear-space-6); }
.linear-p-8 { padding: var(--linear-space-8); }

.linear-rounded-md { border-radius: var(--linear-rounded-md); }
.linear-rounded-lg { border-radius: var(--linear-rounded-lg); }
.linear-rounded-xl { border-radius: var(--linear-rounded-xl); }