/* =========================================================
   NETPAL TÉCNICOS - BENTO GRID TELCO
   Cards coloridos por categoria, layout moderno
   ========================================================= */

:root {
  /* Surfaces */
  --bg-page: #FAFAF9;
  --bg-card: #FFFFFF;
  --bg-elev: #F4F4F5;
  --bg-hover: #F4F4F5;

  /* Border */
  --line: rgba(0, 0, 0, 0.07);
  --line-strong: rgba(0, 0, 0, 0.12);

  /* Ink */
  --ink-100: #18181B;
  --ink-200: #27272A;
  --ink-300: #52525B;
  --ink-400: #71717A;
  --ink-500: #A1A1AA;

  /* Accent */
  --accent: #10B981;
  --accent-soft: rgba(16, 185, 129, 0.1);

  /* Category hues (por categoria) */
  --cat-sky: #38BDF8;
  --cat-amber: #F59E0B;
  --cat-violet: #A78BFA;
  --cat-emerald: #34D399;
  --cat-pink: #F472B6;
  --cat-orange: #FB923C;
  --cat-yellow: #FACC15;
  --cat-cyan: #22D3EE;
  --cat-fuchsia: #E879F9;

  --cat-tint-sky: rgba(56, 189, 248, 0.10);
  --cat-tint-amber: rgba(245, 158, 11, 0.10);
  --cat-tint-violet: rgba(167, 139, 250, 0.10);
  --cat-tint-emerald: rgba(52, 211, 153, 0.10);
  --cat-tint-pink: rgba(244, 114, 182, 0.10);
  --cat-tint-orange: rgba(251, 146, 60, 0.10);
  --cat-tint-yellow: rgba(250, 204, 21, 0.10);
  --cat-tint-cyan: rgba(34, 211, 238, 0.10);
  --cat-tint-fuchsia: rgba(232, 121, 249, 0.10);

  /* Geometry */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;

  --shadow-sm: 0 1px 0 rgba(0, 0, 0, 0.02);
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.04), 0 0 0 1px var(--line);
  --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.06), 0 0 0 1px var(--line-strong);

  /* Type */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  font-feature-settings: 'cv02', 'cv03', 'cv04';
  font-variant-numeric: tabular-nums;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--ink-100);
  line-height: 1.5;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.011em;
  font-weight: 400;
}

/* -- Container ------------------------------------------ */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 64px 24px 48px;
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
  padding-left: max(24px, env(safe-area-inset-left));
  padding-right: max(24px, env(safe-area-inset-right));
}

/* -- Header --------------------------------------------- */
.header { margin-bottom: 40px; }

.brand-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.brand-logo {
  display: block;
  width: 64px;
  height: 64px;
  border-radius: var(--r-md);
  flex-shrink: 0;
  object-fit: contain;
}

.brand-text {
  flex: 1;
  min-width: 0;
}

.brand-eyebrow {
  font-size: 0.8125rem;
  color: var(--ink-400);
  font-weight: 450;
  margin-bottom: 2px;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.875rem;
  font-weight: 600;
  color: var(--ink-100);
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background-color: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink-200);
  font-family: var(--font-sans);
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.status-dot {
  width: 6px;
  height: 6px;
  background-color: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--accent-soft);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 3px var(--accent-soft); }
  50% { box-shadow: 0 0 0 6px var(--accent-soft); }
}

.brand-tag {
  color: var(--ink-300);
  font-size: 0.9375rem;
  max-width: 60ch;
}

/* -- Search section ------------------------------------- */
.search-section { margin-bottom: 32px; }

.search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 18px;
  color: var(--ink-500);
  pointer-events: none;
  transition: color 200ms var(--ease-out);
}

.search-input {
  width: 100%;
  padding: 16px 80px 16px 50px;
  font-size: 1rem;
  font-family: var(--font-sans);
  background-color: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  color: var(--ink-100);
  outline: none;
  transition: all 200ms var(--ease-out);
  font-weight: 450;
  box-shadow: var(--shadow-sm);
  touch-action: manipulation;
}

.search-input::placeholder { color: var(--ink-500); font-weight: 400; }
.search-input:hover { border-color: var(--line-strong); }
.search-input:focus {
  border-color: var(--ink-100);
  box-shadow: 0 0 0 4px rgba(24, 24, 27, 0.06);
}

.search-wrapper:focus-within .search-icon { color: var(--ink-300); }

.search-kbd {
  position: absolute;
  right: 16px;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink-400);
  background-color: var(--bg-elev);
  border: 1px solid var(--line);
  padding: 3px 8px;
  border-radius: var(--r-sm);
  pointer-events: none;
  line-height: 1.5;
}

.search-wrapper[data-search-state="active"] .search-kbd { display: none; }

.clear-btn {
  position: absolute;
  right: 12px;
  background: transparent;
  border: none;
  color: var(--ink-400);
  cursor: pointer;
  padding: 8px;
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 150ms var(--ease-out);
}

.clear-btn:hover {
  color: var(--ink-100);
  background-color: var(--bg-hover);
}

.search-stats {
  margin-top: 12px;
  padding: 0 4px;
  font-size: 0.8125rem;
  color: var(--ink-400);
  font-weight: 450;
}

/* -- Bento grid ----------------------------------------- */
.bento {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
  width: 100%;
}

/* -- Category card -------------------------------------- */
.cat-card {
  position: relative;
  background-color: var(--bg-card);
  border-radius: var(--r-lg);
  padding: 22px;
  display: flex;
  flex-direction: column;
  transition: transform 200ms var(--ease-out), box-shadow 200ms var(--ease-out);
  box-shadow: var(--shadow-card);
  border-top: 3px solid var(--cat-color, var(--cat-violet));
  overflow: hidden;
  min-height: 180px;
  min-width: 0;
  width: 100%;
}

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

.cat-card.collapsed {
  /* Sutil indicação visual de card fechado */
}

.cat-card.collapsed .cat-arrow {
  transform: rotate(-90deg);
  color: var(--cat-color);
}

.cat-card.span-2 { grid-column: span 2; }

/* Cabeçalho do card */
.cat-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
  cursor: pointer;
  user-select: none;
}

.cat-title-wrap {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-width: 0;
  flex: 1;
}

.cat-icon {
  flex-shrink: 0;
}

.cat-icon {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  font-size: 0.9375rem;
  background-color: var(--cat-tint, rgba(0, 0, 0, 0.05));
  color: var(--cat-color, var(--ink-100));
  border-radius: var(--r-sm);
}

.cat-name {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--ink-100);
  letter-spacing: -0.01em;
  line-height: 1.25;
  white-space: normal;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: normal;
  overflow-wrap: break-word;
  hyphens: none;
}

.cat-count {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink-400);
  background-color: var(--bg-elev);
  padding: 4px 10px;
  border-radius: 100px;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
  margin-top: 2px;
}

.cat-arrow {
  color: var(--ink-400);
  transition: transform 250ms var(--ease-out);
  flex-shrink: 0;
}

.cat-card.collapsed .cat-arrow { transform: rotate(-90deg); }

/* Lista de links */
.cat-links {
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
  transition: max-height 350ms var(--ease-out), opacity 200ms;
  max-height: none; /* aberto por padrão; JS controla o estado */
}

.cat-card.collapsed .cat-links {
  max-height: 0 !important;
  opacity: 0;
  margin-top: 0;
  pointer-events: none;
}

.cat-links.is-open {
  /* sem max-height quando aberto — usa altura natural */
  max-height: none !important;
}

/* Quando expandido: lista vertical simples */
.cat-links.list-view {
  flex-direction: column;
  gap: 0;
}

/* Quando Apps: grid interno */
.cat-links.grid-view {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

/* -- Link item (lista) --------------------------------- */
.link-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 10px;
  text-decoration: none;
  color: var(--ink-100);
  border-radius: var(--r-sm);
  transition: background-color 150ms var(--ease-out);
  border: 1px solid transparent;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.link-item:hover {
  background-color: var(--bg-elev);
}

@media (hover: none) {
  .link-item:active {
    background-color: var(--bg-active);
    transform: scale(0.99);
  }
  .cat-card:active {
    transform: scale(0.99);
  }
  .chip:active {
    transform: scale(0.96);
  }
}

.link-item:focus-visible {
  outline: none;
  background-color: var(--bg-elev);
  border-color: var(--line-strong);
}

.link-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
  flex: 1 1 0;
  overflow: hidden;
}

.link-title {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  white-space: normal;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: normal;
  overflow-wrap: break-word;
  hyphens: none;
}

.link-description {
  font-size: 0.75rem;
  color: var(--ink-400);
  white-space: normal;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 400;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: normal;
  overflow-wrap: break-word;
  hyphens: none;
}

.link-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  align-self: flex-start;
  margin-top: 2px;
  color: var(--ink-500);
}

.link-btn {
  background: transparent;
  border: none;
  color: inherit;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 150ms var(--ease-out);
}

.link-btn:hover {
  color: var(--ink-100);
  background-color: var(--bg-active);
}

.link-btn.copied { color: var(--accent); }

.link-external {
  color: var(--ink-400);
  transition: color 150ms var(--ease-out);
}

.link-item:hover .link-external { color: var(--ink-300); }

/* -- Sample link (DNS Master/Slave) — não-clicável ---- */
.link-item--sample {
  cursor: default;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  text-decoration: none;
  color: var(--ink-100);
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.link-item--sample:hover {
  background-color: var(--bg-elev);
}

.link-item--sample .link-title {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  white-space: normal;
  overflow: hidden;
  word-break: normal;
  overflow-wrap: break-word;
}

.link-item--sample .link-value {
  font-family: ui-monospace, 'SF Mono', 'JetBrains Mono', monospace;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink-200);
  background-color: var(--bg-page);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 4px 10px;
  margin-top: 4px;
  display: inline-block;
  align-self: flex-start;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.link-item--sample .link-description {
  display: block;
  font-size: 0.6875rem;
  color: var(--ink-400);
  margin-top: 6px;
}

.link-badge {
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-500);
  background-color: var(--bg-elev);
  padding: 3px 7px;
  border-radius: 4px;
  font-family: var(--font-sans);
  white-space: nowrap;
}

/* -- Multi-platform (apps) ----------------------------- */
.app-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 12px;
  background-color: var(--bg-page);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: all 200ms var(--ease-out);
  min-width: 0;
  overflow: hidden;
}

.app-card:hover {
  border-color: var(--line-strong);
  background-color: var(--bg-card);
  transform: translateY(-1px);
}

.app-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink-100);
  letter-spacing: -0.005em;
  white-space: normal;
  overflow: hidden;
  word-break: normal;
  overflow-wrap: break-word;
}

.app-description {
  font-size: 0.75rem;
  color: var(--ink-400);
  white-space: normal;
  overflow: hidden;
  word-break: normal;
  overflow-wrap: break-word;
}

.chips {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-top: 2px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px 3px 7px;
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--ink-200);
  background-color: var(--bg-elev);
  border: 1px solid transparent;
  border-radius: 100px;
  text-decoration: none;
  transition: all 150ms var(--ease-out);
  letter-spacing: 0.01em;
  white-space: nowrap;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.chip:hover {
  background-color: var(--ink-100);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.chip:focus-visible {
  outline: none;
  background-color: var(--ink-100);
  color: #FFFFFF;
}

.chip svg { flex-shrink: 0; }

/* -- Empty state ---------------------------------------- */
.empty-state {
  text-align: center;
  padding: 80px 24px;
  color: var(--ink-400);
}

.empty-state svg { color: var(--ink-500); margin-bottom: 16px; }
.empty-state h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink-100);
  margin-bottom: 6px;
}
.empty-state p { font-size: 0.875rem; color: var(--ink-400); }

/* -- Load error (catálogo inteiro falhou) ---------------- */
.load-error {
  grid-column: span 2;
  text-align: center;
  padding: 64px 24px;
  background-color: var(--bg-card);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  color: var(--ink-300);
}

.load-error svg { color: #FB7185; margin-bottom: 16px; }
.load-error h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--ink-100);
  margin-bottom: 8px;
}
.load-error p {
  font-size: 0.875rem;
  color: var(--ink-500);
  margin-bottom: 20px;
  font-family: ui-monospace, 'SF Mono', 'JetBrains Mono', monospace;
}

.retry-btn {
  background-color: var(--ink-100);
  color: #FFFFFF;
  border: none;
  padding: 10px 20px;
  border-radius: var(--r-md);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: background-color 150ms var(--ease-out);
}

.retry-btn:hover {
  background-color: var(--ink-200);
}

.retry-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.app-card--error {
  border-color: rgba(244, 63, 94, 0.3);
  background-color: rgba(244, 63, 94, 0.04);
}

/* -- Footer --------------------------------------------- */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 40px 0 8px;
  margin-top: auto;
  font-size: 0.8125rem;
  color: var(--ink-400);
  font-weight: 450;
}

.footer-year {
  color: var(--ink-500);
  font-size: 0.75rem;
}

/* -- Toast ---------------------------------------------- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  background-color: var(--ink-100);
  color: #FFFFFF;
  padding: 11px 18px;
  border-radius: var(--r-md);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05);
  opacity: 0;
  visibility: hidden;
  transition: all 350ms var(--ease-out);
  z-index: 100;
}

.toast.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  visibility: visible;
}

/* -- Responsive ---------------------------------------- */
@media (max-width: 768px) {
  .container { padding: 32px 16px 24px; }

  .header { margin-bottom: 28px; }

  .brand-row {
    flex-wrap: wrap;
    gap: 12px;
  }
  .brand-logo { width: 48px; height: 48px; }
  .brand-title { font-size: 1.5rem; }
  .status-pill {
    order: 3;
    align-self: flex-start;
  }
  .brand-tag { font-size: 0.875rem; }

  .search-section { margin-bottom: 24px; }
  .search-input {
    padding: 18px 56px;
    font-size: 1rem;
    border-radius: 14px;
    -webkit-tap-highlight-color: transparent;
  }
  .search-input { font-size: 16px; } /* prevent iOS zoom */
  .search-icon { left: 18px; width: 22px; height: 22px; }
  .search-kbd { display: none; }
  .clear-btn { right: 10px; padding: 10px; }
  .clear-btn svg { width: 18px; height: 18px; }

  .bento {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .cat-card[data-category="apps"] { grid-column: span 1; }

  .cat-card {
    padding: 18px;
    min-height: 0;
    border-top-width: 4px;
  }

  .cat-head {
    margin-bottom: 12px;
    padding: 4px 0; /* larger tap target */
    min-height: 44px;
    align-items: center;
  }

  .cat-icon { width: 36px; height: 36px; font-size: 1.0625rem; }
  .cat-name { font-size: 1rem; }
  .cat-count { padding: 4px 10px; font-size: 0.75rem; }

  .cat-links.grid-view { grid-template-columns: 1fr; }
  .cat-links.grid-view .app-card {
    padding: 14px;
    min-height: 0;
  }

  .link-item {
    padding: 14px 12px;
    min-height: 44px;
    -webkit-tap-highlight-color: transparent;
  }

  .link-title { font-size: 0.9375rem; }
  .link-description { display: none; }

  .link-btn {
    min-width: 36px;
    min-height: 36px;
    padding: 8px;
  }

  .app-card {
    padding: 14px;
    min-height: 72px;
    -webkit-tap-highlight-color: transparent;
  }
  .app-title { font-size: 0.9375rem; }
  .app-description { display: block; }
  .chip {
    padding: 6px 12px 6px 10px;
    font-size: 0.75rem;
    min-height: 30px;
  }

  .empty-state { padding: 64px 20px; }

  .toast {
    left: 16px;
    right: 16px;
    text-align: center;
    transform: translateX(0) translateY(120%);
    font-size: 0.9375rem;
  }
  .toast.visible { transform: translateX(0) translateY(0); }

  .footer {
    flex-direction: column;
    gap: 4px;
    align-items: flex-start;
    padding: 32px 0 8px;
  }
}

/* Very small phones (≤ 400px) */
@media (max-width: 400px) {
  .container { padding: 28px 14px 20px; }
  .brand-title { font-size: 1.375rem; }
  .brand-eyebrow { font-size: 0.75rem; }
  .cat-card { padding: 16px; }
}

/* Tablet (769-1023px) */
@media (min-width: 769px) and (max-width: 1023px) {
  .container { max-width: 760px; }
  .bento { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}

/* On narrow bento columns (cards have less horizontal space)
   allow link titles more vertical room */
@media (min-width: 769px) {
  .cat-card { min-height: 0; }
  .link-title { line-height: 1.35; }
  /* Categoria Apps ocupa 2 colunas em desktop */
  .cat-card[data-category="apps"] { grid-column: 1 / -1; }
}

/* Larger desktops */
@media (min-width: 1280px) {
  .container { max-width: 1180px; }
}

/* -- Reduced motion ------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* -- Focus rings ---------------------------------------- */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--ink-100);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

/* -- Scrollbar ------------------------------------------ */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.12);
  border-radius: 999px;
  border: 2px solid var(--bg-page);
}
::-webkit-scrollbar-thumb:hover { background: rgba(0, 0, 0, 0.2); }