/* =============================================================
   ORBITTA 11 — NEUTRAL THEME
   ChatGPT-inspired clean, minimal design
   ============================================================= */

/* =========================
   DESIGN TOKENS
   ========================= */
:root {
  /* Sidebar */
  --sidebar-width: 280px;
  --sidebar-collapsed-width: 0px;
  --sidebar-bg: #F8FAFC;
  --sidebar-border: #E2E8F0;
  --sidebar-text: #0F172A;
  --sidebar-text-muted: #64748B;
  --sidebar-hover: #F1F5F9;
  --sidebar-active: #E2E8F0;
  --sidebar-active-text: #0F172A;

  /* Topbar */
  --topbar-height: 64px;
  --topbar-bg: rgba(255, 255, 255, 0.85);

  /* Cards */
  --card-radius: 12px;
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
  --card-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --card-bg: #FFFFFF;

  /* Accent */
  --accent: #0F172A;
  --accent-light: rgba(15, 23, 42, 0.05);
  --selection-bg: rgba(15, 23, 42, 0.1);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.06);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Premium Link Hover Animation */
  --link-shine-color: rgba(255, 255, 255, 0.35);
}

/* Dark mode tokens */
.dark {
  --dark: #1a1a1a; /* Substitui a variável de fundo quando dark está ativo */
  --light: #fff; /* Substitui a variável da cor do texto no modo escuro */
  --sidebar-bg: rgba(9, 9, 11, 0.95);
  --sidebar-border: #27272A;
  --sidebar-text: #F4F4F5;
  --sidebar-text-muted: #94A3B8;
  --sidebar-hover: rgba(255, 255, 255, 0.04);
  --sidebar-active: rgba(255, 255, 255, 0.08);
  --sidebar-active-text: #FFFFFF;
  --topbar-bg: rgba(9, 9, 11, 0.85);
  --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
  --card-shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  --card-bg: #18181B;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.35);
  --accent: #F4F4F5;
  --accent-light: rgba(244, 244, 245, 0.08);
  --selection-bg: rgba(244, 244, 245, 0.15);

  /* Premium Link Hover Animation */
  --link-shine-color: rgba(255, 255, 255, 0.16);
}


/* =========================
   MAIN LAYOUT
   ========================= */

body {
  padding-left: 0;
  transition: background var(--transition-slow);
}

body:not(.dark) {
  background-image: url("data:image/svg+xml,%3Csvg width='64' height='64' viewBox='0 0 64 64' xmlns='http://www.w3.org/2000/svg'%3E%3C!-- Primary grid lines --%3E%3Cline x1='0' y1='32' x2='64' y2='32' stroke='%23E5E7EB' stroke-width='0.5' stroke-opacity='0.25' /%3E%3Cline x1='32' y1='0' x2='32' y2='64' stroke='%23E5E7EB' stroke-width='0.5' stroke-opacity='0.25' /%3E%3C!-- Secondary offset lines --%3E%3Cline x1='0' y1='16' x2='64' y2='16' stroke='%23E5E7EB' stroke-width='0.3' stroke-opacity='0.15' /%3E%3Cline x1='0' y1='48' x2='64' y2='48' stroke='%23E5E7EB' stroke-width='0.3' stroke-opacity='0.15' /%3E%3Cline x1='16' y1='0' x2='16' y2='64' stroke='%23E5E7EB' stroke-width='0.3' stroke-opacity='0.15' /%3E%3Cline x1='48' y1='0' x2='48' y2='64' stroke='%23E5E7EB' stroke-width='0.3' stroke-opacity='0.15' /%3E%3C/svg%3E");
  background-size: 64px 64px;
}

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

body.sidebar-collapsed .main-wrapper {
  margin-left: 0;
}


/* =========================
   SIDEBAR
   ========================= */

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  z-index: 100;

  display: flex;
  flex-direction: column;

  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);

  transition: transform var(--transition-slow), background var(--transition-slow);
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar::-webkit-scrollbar {
  width: 4px;
}
.sidebar::-webkit-scrollbar-track {
  background: transparent;
}
.sidebar::-webkit-scrollbar-thumb {
  background: var(--sidebar-border);
  border-radius: 4px;
}

/* Sidebar header — logo + brand */
.sidebar-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--sidebar-border);
}

.sidebar-logo {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}

.sidebar-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.sidebar-brand {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.25rem;
  letter-spacing: 1.2px;
  color: var(--sidebar-text);
  white-space: nowrap;
}

.sidebar-brand-accent {
  color: var(--accent);
}

/* Sidebar navigation */
.sidebar-nav {
  flex: 1;
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.nav-group-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--sidebar-text-muted);
  padding: 16px 10px 6px;
  opacity: 0.5;
}

/* =========================
   ACCORDION CATEGORIES
   ========================= */

.nav-category {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-sm);
  transition: background var(--transition-base);
}


.nav-category.active {
  background: transparent;
}

.nav-category-header {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 10px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--sidebar-text);
  font-size: 0.85rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  text-align: left;
}

.nav-category-header:hover {
  background: var(--sidebar-hover);
}

.nav-category.active > .nav-category-header {
  color: var(--sidebar-active-text);
  font-weight: 500;
}

.nav-category.active > .nav-category-header i:first-child {
  color: var(--sidebar-active-text);
}

.nav-category-header i:first-child {
  width: 18px;
  text-align: center;
  font-size: 0.9rem;
  color: var(--sidebar-text-muted);
  transition: color var(--transition-base);
  flex-shrink: 0;
}

.nav-category-header:hover i:first-child {
  color: var(--sidebar-text);
}

.nav-arrow {
  margin-left: auto;
  font-size: 0.7rem;
  color: var(--sidebar-text-muted);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  opacity: 0.4;
}

.nav-category.expanded .nav-arrow {
  transform: rotate(180deg);
}

.nav-category.active > .nav-category-header::before {
  content: '';
  position: absolute;
  left: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 18px;
  border-radius: 0 2px 2px 0;
  background: var(--accent);
}

.nav-submenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease;
  opacity: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding-left: 6px;
}

.nav-category.expanded .nav-submenu {
  max-height: 600px;
  opacity: 1;
}

.nav-subitem {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px 7px 38px;
  border-radius: 6px;
  color: var(--sidebar-text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 450;
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
}

.nav-subitem.ext-link {
  cursor: pointer;
}

.nav-subitem.ext-link::after {
  content: '\f08e';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 0.55rem;
  margin-left: auto;
  opacity: 0.25;
  transition: opacity var(--transition-base);
}

.nav-subitem.ext-link:hover::after {
  opacity: 0.6;
}

.nav-subitem:hover {
  background: var(--sidebar-hover);
  color: var(--sidebar-text);
}

.nav-subitem.active {
  color: var(--sidebar-text);
  background: #E8EEF5; /* Cinza ultra suave no modo claro */
  font-weight: 500;
}

.dark .nav-subitem.active {
  background: rgba(255, 255, 255, 0.04); /* Cinza ultra suave no modo escuro */
}

.nav-subitem.active::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
}

/* Sidebar footer — theme toggle */
.sidebar-footer {
  padding: 12px 16px 20px;
  border-top: 1px solid var(--sidebar-border);
}

.sidebar-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 4px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-base);
}

.sidebar-toggle:hover {
  background: var(--sidebar-hover);
}

.sidebar-toggle .toggle-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--sidebar-text-muted);
}

.sidebar .slider {
  width: 48px;
  height: 24px;
  padding: 0 3px;
  background: var(--sidebar-border);
  border: none;
  box-shadow: none;
  border-radius: 12px;
}

.dark .slider {
  background: rgba(255, 255, 255, 0.15);
}

.sidebar .slider::before {
  width: 18px;
  height: 18px;
  left: 3px;
  top: 3px;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
  backdrop-filter: none;
}

.sidebar input:checked + .slider {
  background: var(--dark);
}

.dark .sidebar input:checked + .slider {
  background: var(--dark);
}

.sidebar input:checked + .slider::before {
  transform: translateX(24px);
}

.sidebar .icon svg {
  width: 12px;
  height: 12px;
}

.sidebar .sun {
  left: 5px;
}

.sidebar .icon.sun svg {
  color: #9CA3AF;
}

.sidebar .moon {
  right: 4px;
}

.sidebar .icon.moon svg {
  color: #6B7280;
}


/* =========================
   SIDEBAR OVERLAY (mobile)
   ========================= */

.sidebar-overlay {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.sidebar-overlay.active {
  opacity: 1;
  pointer-events: auto;
}


/* =========================
   TOPBAR
   ========================= */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;

  display: flex;
  align-items: center;
  gap: 16px;
  height: var(--topbar-height);
  padding: 0 32px;
  
  background: var(--topbar-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--sidebar-border);

  transition: background var(--transition-slow);
}

.topbar {
  position: sticky;
  top: 0;
  border-bottom: none;
}

.topbar::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -9px; /* aumenta ou diminui aqui */
  height: 1px;
  background: var(--sidebar-border);
}

.dark .topbar {
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 8px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  transition: background var(--transition-fast);
  flex-shrink: 0;
}

.hamburger:hover {
  background: var(--sidebar-hover);
}

.hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--sidebar-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.topbar .typing {
  flex: 1;
  display: flex;
  align-items: center;
  min-width: 0;
  font-weight: 500;
  font-size: 1rem;
  font-family: 'Bebas Neue', sans-serif;
  letter-spacing: 0.4px;
  color: var(--light);
  text-align: center;
  justify-content: center;
}

.topbar #typing-text {
  word-break: break-word;
}

#typing-text::after {
  content: "|";
  margin-left: 3px;
  animation: blink 0.9s infinite;
  color: var(--light);
  opacity: 0.5;
}

#typing-text.no-cursor::after {
  content: "";
  animation: none;
}

@keyframes blink {
  0%, 50%, 100% { opacity: 1; }
  25%, 75% { opacity: 0; }
}


/* =========================
   MAIN CONTENT
   ========================= */

main {
  flex: 1;
  padding: 40px;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

/* =========================
   TOOL PANEL
   ========================= */

.tool-panel {
  display: none;
  animation: toolPanelIn 0.25s ease;
}

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

.tool-panel-header {
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--sidebar-border);
}

.tool-panel-header h2 {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--sidebar-text);
  margin: 0;
  letter-spacing: -0.3px;
}

.tool-panel-links {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 10px;
}

.tool-link,
.links a {
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
              box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
              border-color 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
              background-color 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              color 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
  color: var(--sidebar-text);
}

body:not(.dark) .tool-link,
body:not(.dark) .links a {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--sidebar-border);
  box-shadow: var(--card-shadow);
}

.tool-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
}

.tool-link:hover,
.links a:hover {
  transform: translate(4px, -4px);
  border-color: var(--accent);
}

body:not(.dark) .tool-link:hover,
body:not(.dark) .links a:hover {
  background: #FFFFFF;
  box-shadow: var(--card-shadow-hover), 0 4px 12px rgba(15, 23, 42, 0.04);
}

.tool-link:active,
.links a:active {
  transform: translate(2px, -2px) scale(0.985);
  box-shadow: var(--card-shadow);
  transition-duration: 0.05s;
}

.tool-link img {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  flex-shrink: 0;
  background: var(--card-bg);
  border: 1px solid var(--sidebar-border);
  padding: 2px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
  transition: transform var(--transition-base);
}

.tool-link:hover img {
  transform: scale(1.06);
}

.tool-link span {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tool-link-ext {
  font-size: 0.6rem;
  color: var(--light);
  opacity: 0.25;
  transition: opacity var(--transition-base);
  flex-shrink: 0;
}

.tool-link:hover .tool-link-ext {
  opacity: 0.6;
  color: var(--accent);
}

.dark .tool-link,
.dark .links a {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.dark .tool-link:hover,
.dark .links a:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: var(--card-shadow-hover), 0 0 15px rgba(255, 255, 255, 0.08);
}

/* Shine / Light Sweep Effect */
.tool-link::after,
.links a::after {
  content: '';
  position: absolute;
  top: 0;
  left: -150%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    var(--link-shine-color) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  transform: skewX(-20deg);
  pointer-events: none;
  z-index: 1;
}

.tool-link:hover::after,
.links a:hover::after {
  animation: shine-sweep 0.75s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes shine-sweep {
  0% {
    left: -150%;
  }
  100% {
    left: 150%;
  }
}


/* =========================
   FOOTER
   ========================= */

.main-wrapper footer {
  background: transparent;
  border-top: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 32px 32px;
  margin-top: 48px;
  gap: 24px;
}

.main-wrapper footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  max-width: 600px;
}

.main-wrapper footer #footer-logo {
  height: 56px;
  opacity: 0.5;
  transition: opacity var(--transition-base);
}

.main-wrapper footer #footer-logo:hover {
  opacity: 0.8;
}

.main-wrapper footer .descricao p {
  font-size: 0.78rem;
  color: var(--sidebar-text-muted);
  line-height: 1.7;
  margin: 0;
}

.main-wrapper footer hr {
  width: 60px;
  border: none;
  border-top: 1px solid var(--sidebar-border);
  margin: 4px 0;
}

.main-wrapper footer .text-center {
  font-size: 0.72rem;
  color: var(--sidebar-text-muted);
  text-align: center;
}



@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}


/* =========================
   RESPONSIVE
   ========================= */

@media (max-width: 1024px) {
  main {
    padding: 28px;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

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

  .main-wrapper {
    margin-left: 0;
  }

  .hamburger {
    display: flex;
  }

  .topbar {
    padding: 0 16px;
    height: 56px;
  }

  .topbar .typing {
    font-size: 0.78rem;
  }

  main {
    padding: 20px;
  }

  .main-wrapper footer {
    padding: 24px 16px 24px;
  }

  .sidebar-header {
    padding: 18px 16px 14px;
  }

  .sidebar-close {
    display: flex;
    position: absolute;
    right: 14px;
    top: 18px;
    width: 32px;
    height: 32px;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 50%;
    color: var(--sidebar-text-muted);
    font-size: 1.3rem;
    cursor: pointer;
    transition: background var(--transition-fast);
  }

  .sidebar-close:hover {
    background: var(--sidebar-hover);
    color: var(--sidebar-text);
  }
}

@media (max-width: 480px) {
  .sidebar {
    width: 70%; /* Ocupa 70% da largura da tela */
    max-width: 300px; /* Garante um limite visual agradável */
  }

  main {
    padding: 16px;
  }

  .topbar {
    padding: 0 12px;
  }
}

.sidebar-close {
  display: none;
}


/* =========================
   ACCESSIBILITY
   ========================= */

a:focus-visible,
button:focus-visible,
.toggle-container input:focus-visible + .slider {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

html {
  scroll-behavior: smooth;
}

::selection {
  background: var(--selection-bg);
  color: inherit;
}


/* =========================
   SKELETON
   ========================= */

.skeleton-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: var(--card-bg);
  border: 1px solid var(--sidebar-border);
  box-shadow: var(--card-shadow);
  pointer-events: none;
}

.skeleton-icon {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: var(--sidebar-border);
  flex-shrink: 0;
}

.skeleton-text {
  flex: 1;
  height: 14px;
  border-radius: 4px;
  background: var(--sidebar-border);
  max-width: 60%;
}

.skeleton-ext {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: var(--sidebar-border);
  margin-left: auto;
  flex-shrink: 0;
}

.skeleton-shimmer {
  background: linear-gradient(
    90deg,
    rgba(226, 232, 240, 0.4) 25%,
    rgba(226, 232, 240, 0.8) 37%,
    rgba(226, 232, 240, 0.4) 63%
  );
  background-size: 400% 100%;
  animation: skeleton-pulse 1.4s ease infinite;
}

.dark .skeleton-shimmer {
  background: linear-gradient(
    90deg,
    rgba(39, 39, 42, 0.5) 25%,
    rgba(63, 63, 70, 0.7) 37%,
    rgba(39, 39, 42, 0.5) 63%
  );
  background-size: 400% 100%;
}

@keyframes skeleton-pulse {
  0% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}


/* =========================
   SCROLLBAR
   ========================= */

::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--sidebar-border);
  border-radius: 3px;
}