/* ==========================================================================
   CANIVETE SUÍÇO OFFLINE — Estilos (canivete.css)
   Extensão do design system de guineves.com.br
   ========================================================================== */

/* App Header & Top Bar */
.canivete-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem clamp(1rem, 4vw, 3rem);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: hsl(225 30% 6% / 0.82);
  border-bottom: 1px solid var(--border);
}
[data-theme="light"] .canivete-header {
  background: hsl(220 20% 97% / 0.88);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.back-home {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  background: var(--bg2);
  border: 1px solid var(--border);
  transition: all 0.2s ease;
}
.back-home:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  transform: translateX(-2px);
}

/* Offline Badge */
.offline-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--green);
  background: hsl(150 80% 55% / 0.1);
  border: 1px solid hsl(150 80% 55% / 0.25);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  letter-spacing: 0.02em;
  user-select: none;
}
[data-theme="light"] .offline-badge {
  background: hsl(155 85% 32% / 0.12);
  border-color: hsl(155 85% 32% / 0.3);
  color: var(--green);
}
.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse-glow 2s ease-in-out infinite;
}
@keyframes pulse-glow {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.85); }
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mobile-nav-toggle {
  display: none;
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 0.4rem 0.7rem;
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 0.85rem;
  cursor: pointer;
}

/* App Layout: 2 Columns */
.app-container {
  display: grid;
  grid-template-columns: 320px 1fr;
  min-height: calc(100vh - 61px);
  max-width: 1700px;
  margin: 0 auto;
}

/* Sidebar */
.tools-sidebar {
  position: sticky;
  top: 61px;
  height: calc(100vh - 61px);
  overflow-y: auto;
  padding: 1.25rem 1rem 2rem 1.5rem;
  border-right: 1px solid var(--border);
  background: hsl(225 30% 7% / 0.6);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
[data-theme="light"] .tools-sidebar {
  background: hsl(220 20% 95% / 0.65);
}

.sidebar-search {
  position: relative;
}
.sidebar-search input {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 0.55rem 2.2rem 0.55rem 0.85rem;
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.sidebar-search input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px hsl(185 90% 60% / 0.15);
}
.sidebar-search .kbd-hint {
  position: absolute;
  right: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  background: var(--bg);
  color: var(--muted);
  border: 1px solid var(--border);
  pointer-events: none;
}

/* Category Filters */
.category-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.cat-pill {
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  background: var(--bg2);
  color: var(--muted);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.cat-pill:hover {
  color: var(--fg);
  border-color: var(--muted);
}
.cat-pill.active {
  background: hsl(185 90% 60% / 0.12);
  color: var(--cyan);
  border-color: var(--cyan);
  font-weight: 600;
}

/* Tools Nav List */
.sidebar-groups {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.category-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.category-title {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 0.25rem 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.category-count {
  font-size: 0.68rem;
  opacity: 0.7;
}

.tool-nav-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  font-size: 0.84rem;
  color: var(--fg);
  text-decoration: none;
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: left;
  width: 100%;
}
.tool-nav-item:hover {
  background: var(--bg2);
  border-color: var(--border);
  color: var(--cyan);
  transform: translateX(2px);
}
.tool-nav-item.active {
  background: hsl(150 80% 55% / 0.12);
  border-color: hsl(150 80% 55% / 0.3);
  color: var(--green);
  font-weight: 600;
}
[data-theme="light"] .tool-nav-item.active {
  background: hsl(155 85% 32% / 0.14);
  border-color: hsl(155 85% 32% / 0.35);
  color: var(--green);
}
.tool-nav-item .tool-icon {
  font-size: 1rem;
  width: 1.25rem;
  text-align: center;
  flex-shrink: 0;
}
.tool-nav-item .tool-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Main Content Area */
.tool-stage {
  padding: clamp(1.2rem, 3vw, 2.5rem);
  overflow-x: hidden;
  max-width: 1350px;
}

.tool-panel {
  display: none;
  animation: fadeIn 0.2s ease-out;
}
.tool-panel.active {
  display: block;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Tool Header */
.tool-header {
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}
.tool-breadcrumbs {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.tool-breadcrumbs .sep {
  opacity: 0.5;
}
.tool-breadcrumbs .cat {
  color: var(--cyan);
}
.tool-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.tool-header h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.tool-desc {
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: 0.4rem;
  max-width: 850px;
}

/* Common Components */
.card-box {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.4rem;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.card-title {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Forms & Inputs */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.form-group.full-width {
  grid-column: 1 / -1;
}
.form-label {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--fg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.form-hint {
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: normal;
}
.input-text, .input-select, .input-textarea {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--fg);
  font-family: var(--mono);
  font-size: 0.88rem;
  padding: 0.6rem 0.85rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}
.input-text:focus, .input-select:focus, .input-textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 2px hsl(150 80% 55% / 0.15);
}
.input-textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.5;
}
.input-textarea.tall {
  min-height: 220px;
}

/* Checkbox and Radios */
.checkbox-label, .radio-label {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  cursor: pointer;
  user-select: none;
}
.checkbox-label input, .radio-label input {
  accent-color: var(--green);
  width: 16px;
  height: 16px;
  cursor: pointer;
}
.checkbox-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.4rem;
}

/* Quick Chips / Presets */
.preset-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}
.preset-label {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--muted);
}
.chip-btn {
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--fg);
  cursor: pointer;
  transition: all 0.15s ease;
}
.chip-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: hsl(185 90% 60% / 0.08);
}
.chip-btn.active {
  background: hsl(150 80% 55% / 0.15);
  border-color: var(--green);
  color: var(--green);
}

/* Action Buttons */
button.btn, .btn {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.55rem 1.15rem;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: 1px solid transparent;
  transition: all 0.18s ease;
}
button.btn-primary, .btn-primary {
  background: var(--green);
  color: #050a0f !important;
  font-weight: 800;
  border-color: var(--green);
}
button.btn-primary:hover, .btn-primary:hover {
  background: hsl(150 85% 60%);
  color: #000000 !important;
  border-color: hsl(150 85% 60%);
  filter: brightness(1.05);
  transform: translateY(-1px);
}
[data-theme="light"] button.btn-primary,
[data-theme="light"] .btn-primary {
  background: var(--green);
  color: #ffffff !important;
  border-color: var(--green);
}
button.btn-secondary, .btn-secondary {
  background: var(--bg2);
  border-color: var(--border);
  color: var(--fg) !important;
}
button.btn-secondary:hover, .btn-secondary:hover {
  border-color: var(--cyan);
  color: var(--cyan) !important;
}
button.btn-danger, .btn-danger {
  background: hsl(0 75% 55% / 0.15);
  border-color: hsl(0 75% 55% / 0.4);
  color: hsl(0 75% 65%) !important;
}
button.btn-danger:hover, .btn-danger:hover {
  background: hsl(0 75% 55% / 0.25);
}

/* Output Box & Copy Button */
.output-box {
  background: hsl(225 35% 8% / 0.95);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin-top: 1rem;
}
[data-theme="light"] .output-box {
  background: hsl(220 25% 95% / 0.95);
}
.output-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.9rem;
  background: hsl(225 30% 10% / 0.8);
  border-bottom: 1px solid var(--border);
}
[data-theme="light"] .output-header {
  background: hsl(220 20% 90% / 0.85);
}
.output-title {
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.copy-btn {
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--fg);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.15s ease;
}
.copy-btn:hover {
  border-color: var(--green);
  color: var(--green);
}
.copy-btn.copied {
  background: hsl(150 80% 55% / 0.15);
  border-color: var(--green);
  color: var(--green);
}
.output-pre {
  margin: 0;
  padding: 1rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.55;
  overflow-x: auto;
  color: var(--fg);
  white-space: pre-wrap;
  word-break: break-all;
}

/* Tabs Inside Tools */
.tool-subtabs {
  display: flex;
  gap: 0.4rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.25rem;
  padding-bottom: 0.4rem;
  overflow-x: auto;
}
.subtab-btn {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.subtab-btn:hover {
  color: var(--fg);
  background: var(--bg2);
}
.subtab-btn.active {
  background: hsl(185 90% 60% / 0.12);
  color: var(--cyan);
  border-color: hsl(185 90% 60% / 0.3);
}

/* Key-Value Info Table / Grid */
.info-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 0.82rem;
  margin-top: 0.5rem;
}
.info-table tr {
  border-bottom: 1px solid var(--border);
}
.info-table tr:last-child {
  border-bottom: none;
}
.info-table td {
  padding: 0.6rem 0.75rem;
  vertical-align: middle;
}
.info-table td.key {
  color: var(--muted);
  width: 32%;
  font-weight: 600;
}
.info-table td.val {
  color: var(--fg);
  word-break: break-all;
}
.info-table td.val code {
  color: var(--green);
  font-weight: 600;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
}
.badge-green {
  background: hsl(150 80% 55% / 0.15);
  color: var(--green);
  border: 1px solid hsl(150 80% 55% / 0.3);
}
.badge-cyan {
  background: hsl(185 90% 60% / 0.15);
  color: var(--cyan);
  border: 1px solid hsl(185 90% 60% / 0.3);
}
.badge-amber {
  background: hsl(40 95% 62% / 0.15);
  color: var(--amber);
  border: 1px solid hsl(40 95% 62% / 0.3);
}
.badge-red {
  background: hsl(0 75% 55% / 0.15);
  color: hsl(0 80% 65%);
  border: 1px solid hsl(0 75% 55% / 0.3);
}

/* Chmod Grid Visualizer */
.chmod-matrix {
  display: grid;
  grid-template-columns: 140px repeat(3, 1fr);
  gap: 0.5rem;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.82rem;
  margin-top: 1rem;
}
.chmod-header {
  font-weight: 700;
  color: var(--cyan);
  text-align: center;
  padding: 0.3rem;
}
.chmod-row-label {
  font-weight: 600;
  color: var(--muted);
}
.chmod-cell {
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 0.6rem;
  border-radius: 6px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  cursor: pointer;
  transition: all 0.15s ease;
}
.chmod-cell:hover {
  border-color: var(--green);
}
.chmod-cell.checked {
  background: hsl(150 80% 55% / 0.12);
  border-color: var(--green);
}

/* Diff Checker Specific */
.diff-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}
.diff-view {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.8rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.5;
  overflow-x: auto;
  max-height: 500px;
  overflow-y: auto;
}
.diff-line {
  display: flex;
  gap: 0.8rem;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  white-space: pre-wrap;
  word-break: break-all;
}
.diff-line.added {
  background: hsl(150 80% 55% / 0.18);
  color: var(--green);
}
.diff-line.removed {
  background: hsl(0 75% 55% / 0.18);
  color: hsl(0 80% 65%);
}
.diff-line .line-num {
  color: var(--muted);
  user-select: none;
  min-width: 2.2rem;
  text-align: right;
  opacity: 0.6;
}

/* Regex Visualizer */
.regex-highlight-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.8rem;
  font-family: var(--mono);
  font-size: 0.88rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 80px;
}
.regex-match-mark {
  background: hsl(40 95% 62% / 0.25);
  border-bottom: 2px solid var(--amber);
  color: var(--fg);
  border-radius: 2px;
  padding: 0 2px;
}
.regex-match-mark:nth-child(even) {
  background: hsl(185 90% 60% / 0.25);
  border-bottom-color: var(--cyan);
}

/* Toast Notification */
.toast-notice {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: hsl(225 35% 10% / 0.95);
  color: var(--fg);
  border: 1px solid var(--green);
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  padding: 0.75rem 1.25rem;
  border-radius: 10px;
  font-family: var(--mono);
  font-size: 0.85rem;
  transform: translateY(120px);
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}
[data-theme="light"] .toast-notice {
  background: hsl(0 0% 100% / 0.95);
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}
.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}

/* Responsive */
@media (max-width: 960px) {
  .app-container {
    grid-template-columns: 1fr;
  }
  .tools-sidebar {
    position: fixed;
    top: 61px;
    left: 0;
    bottom: 0;
    width: 290px;
    z-index: 40;
    background: var(--bg);
    transform: translateX(-100%);
    transition: transform 0.25s ease-in-out;
    box-shadow: 10px 0 30px rgba(0,0,0,0.5);
  }
  .tools-sidebar.open {
    transform: translateX(0);
  }
  .mobile-nav-toggle {
    display: inline-block;
  }
  .diff-container {
    grid-template-columns: 1fr;
  }
}