/* Developer Tools - style.css */
/* Dark theme by default, CSS custom properties for theming */

:root {
  /* Dark theme (default) */
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --bg-hover: #30363d;
  --fg-primary: #e6edf3;
  --fg-secondary: #8b949e;
  --fg-muted: #6e7681;
  --accent: #58a6ff;
  --accent-hover: #79b8ff;
  --accent-bg: rgba(88, 166, 255, 0.15);
  --border: #30363d;
  --border-hover: #484f58;
  --success: #3fb950;
  --error: #f85149;
  --warning: #d29922;
  --code-bg: #161b22;
  --scrollbar-thumb: #484f58;
  --scrollbar-track: #161b22;
  --focus-ring: rgba(88, 166, 255, 0.4);
  --shadow: rgba(0, 0, 0, 0.3);
  --modal-overlay: rgba(0, 0, 0, 0.7);
}

/* Light theme */
[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f6f8fa;
  --bg-tertiary: #f3f4f6;
  --bg-hover: #eaeef2;
  --fg-primary: #1f2328;
  --fg-secondary: #656d76;
  --fg-muted: #8b949e;
  --accent: #0969da;
  --accent-hover: #0860ca;
  --accent-bg: rgba(9, 105, 218, 0.1);
  --border: #d0d7de;
  --border-hover: #8c959f;
  --success: #1a7f37;
  --error: #cf222e;
  --warning: #9a6700;
  --code-bg: #f6f8fa;
  --scrollbar-thumb: #8c959f;
  --scrollbar-track: #f6f8fa;
  --focus-ring: rgba(9, 105, 218, 0.3);
  --shadow: rgba(0, 0, 0, 0.1);
  --modal-overlay: rgba(0, 0, 0, 0.5);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--fg-primary);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 16px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  flex-wrap: wrap;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--fg-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
}

.logo svg {
  color: var(--accent);
}

/* Tabs */
.tabs {
  display: flex;
  gap: 2px;
  background: var(--bg-tertiary);
  border-radius: 6px;
  padding: 2px;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

.tabs::-webkit-scrollbar {
  height: 6px;
}

.tabs::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

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

.tabs button {
  padding: 8px 14px;
  border: none;
  background: transparent;
  color: var(--fg-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.tabs button:hover {
  color: var(--fg-primary);
  background: var(--bg-hover);
}

.tabs button[aria-selected="true"] {
  color: var(--fg-primary);
  background: var(--bg-primary);
  box-shadow: 0 1px 2px var(--shadow);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 6px;
  background: var(--bg-tertiary);
  color: var(--fg-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}

.icon-btn:hover {
  background: var(--bg-hover);
  color: var(--fg-primary);
}

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

#theme-toggle .icon-sun {
  display: none;
}

[data-theme="light"] #theme-toggle .icon-sun {
  display: block;
}

[data-theme="light"] #theme-toggle .icon-moon {
  display: none;
}

/* Main */
.main {
  flex: 1;
  padding: 16px;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

.panel {
  display: none;
  flex-direction: column;
  gap: 12px;
}

.panel.active {
  display: flex;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.panel-header h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg-primary);
}

.panel-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

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

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

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

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

.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--border-hover);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.hash-algos, .uuid-versions {
  display: flex;
  gap: 6px;
}

.hash-algo, .uuid-version {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.hash-algo.active, .uuid-version.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

/* Editor */
.editor-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  flex: 1;
  min-height: 400px;
}

.editor-pane {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.editor {
  flex: 1;
  min-height: 300px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-tertiary);
  color: var(--fg-primary);
  font-family: 'SF Mono', 'Fira Code', 'Monaco', 'Consolas', monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  resize: vertical;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.editor:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.editor::placeholder {
  color: var(--fg-muted);
}

.editor.output {
  background: var(--code-bg);
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.editor.output[contenteditable="true"] {
  cursor: text;
}

textarea.editor {
  min-height: 300px;
}

#regex-pattern, #regex-flags {
  min-height: auto;
  font-family: 'SF Mono', 'Fira Code', 'Monaco', 'Consolas', monospace;
}

.editor-status {
  font-size: 0.75rem;
  color: var(--fg-secondary);
  min-height: 20px;
}

.editor-status.error {
  color: var(--error);
}

.editor-status.success {
  color: var(--success);
}

/* JSON Syntax Highlighting */
.json-output {
  counter-reset: line;
}

.json-output .line::before {
  counter-increment: line;
  content: counter(line);
  display: inline-block;
  width: 2.5rem;
  padding-right: 1rem;
  text-align: right;
  color: var(--fg-muted);
  user-select: none;
  border-right: 1px solid var(--border);
  margin-right: 1rem;
}

.json-key { color: #79c0ff; }
.json-string { color: #a5d6ff; }
.json-number { color: #ffa657; }
.json-boolean { color: #d2a8ff; }
.json-null { color: #ff7b72; }
.json-punctuation { color: var(--fg-secondary); }

.json-tree {
  font-family: 'SF Mono', 'Fira Code', 'Monaco', 'Consolas', monospace;
  font-size: 0.85rem;
  line-height: 1.8;
}

.json-tree .tree-node { cursor: pointer; }
.json-tree .tree-node.collapsed > .tree-children { display: none; }
.json-tree .tree-key { color: #79c0ff; }
.json-tree .tree-string { color: #a5d6ff; }
.json-tree .tree-number { color: #ffa657; }
.json-tree .tree-boolean { color: #d2a8ff; }
.json-tree .tree-null { color: #ff7b72; }
.json-tree .tree-toggle { 
  display: inline-block;
  width: 1em;
  text-align: center;
  user-select: none;
  color: var(--fg-muted);
}

/* CSV Table */
.csv-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  overflow: auto;
}

.csv-table th,
.csv-table td {
  padding: 6px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.csv-table th {
  position: sticky;
  top: 0;
  background: var(--bg-tertiary);
  font-weight: 600;
  color: var(--fg-secondary);
  z-index: 1;
}

.csv-table tr:hover td {
  background: var(--bg-hover);
}

.csv-table .csv-error {
  color: var(--error);
  background: rgba(248, 81, 73, 0.1);
}

/* JWT Output */
.jwt-section {
  margin-bottom: 16px;
}

.jwt-section h4 {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--fg-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.jwt-section pre {
  background: var(--code-bg);
  padding: 12px;
  border-radius: 6px;
  overflow: auto;
  font-size: 0.8rem;
  line-height: 1.6;
}

.jwt-signature.valid { color: var(--success); }
.jwt-signature.invalid { color: var(--error); }
.jwt-signature.unknown { color: var(--warning); }

/* UUID Output */
.uuid-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.uuid-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--code-bg);
  border-radius: 4px;
  font-family: 'SF Mono', 'Fira Code', 'Monaco', 'Consolas', monospace;
  font-size: 0.85rem;
}

.uuid-item .uuid-type {
  font-size: 0.7rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 3px;
}

.uuid-item .uuid-value {
  flex: 1;
  word-break: break-all;
}

.uuid-parsed {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.uuid-field {
  background: var(--code-bg);
  padding: 8px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
}

.uuid-field .field-name {
  color: var(--fg-muted);
  margin-bottom: 2px;
}

.uuid-field .field-value {
  font-family: 'SF Mono', 'Fira Code', 'Monaco', 'Consolas', monospace;
}

/* Regex Output */
.regex-match {
  background: rgba(63, 185, 80, 0.15);
  padding: 2px 4px;
  border-radius: 2px;
}

.regex-explanation {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.regex-explanation-item {
  display: flex;
  gap: 12px;
  padding: 8px 10px;
  background: var(--code-bg);
  border-radius: 4px;
  font-size: 0.8rem;
}

.regex-explanation-item .pattern {
  font-family: 'SF Mono', 'Fira Code', 'Monaco', 'Consolas', monospace;
  color: var(--accent);
  min-width: 120px;
}

.regex-explanation-item .meaning {
  color: var(--fg-secondary);
}

/* URL Output */
.url-parsed {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
}

.url-field {
  background: var(--code-bg);
  padding: 10px;
  border-radius: 4px;
}

.url-field .field-name {
  font-size: 0.7rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.url-field .field-value {
  font-family: 'SF Mono', 'Fira Code', 'Monaco', 'Consolas', monospace;
  font-size: 0.85rem;
  word-break: break-all;
}

/* Footer */
.footer {
  padding: 16px;
  text-align: center;
  color: var(--fg-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

.footer a {
  color: var(--accent);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

.footer p {
  margin: 4px 0;
}

/* Modals */
.modal {
  border: none;
  border-radius: 12px;
  background: var(--bg-secondary);
  color: var(--fg-primary);
  max-width: 480px;
  width: 90%;
  box-shadow: 0 16px 48px var(--shadow);
}

.modal::backdrop {
  background: var(--modal-overlay);
}

.modal-content {
  padding: 0;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 6px;
  background: var(--bg-tertiary);
  color: var(--fg-secondary);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  transition: all 0.15s ease;
}

.modal-close:hover {
  background: var(--bg-hover);
  color: var(--fg-primary);
}

.modal-body {
  padding: 20px;
}

.shortcuts-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.shortcuts-table th,
.shortcuts-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.shortcuts-table th {
  color: var(--fg-secondary);
  font-weight: 600;
}

.shortcuts-table kbd {
  display: inline-block;
  padding: 2px 6px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: 'SF Mono', 'Fira Code', 'Monaco', 'Consolas', monospace;
  font-size: 0.75rem;
  margin-right: 4px;
}

.share-url-container {
  display: flex;
  gap: 8px;
  margin: 12px 0;
}

.share-url-container input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-tertiary);
  color: var(--fg-primary);
  font-family: 'SF Mono', 'Fira Code', 'Monaco', 'Consolas', monospace;
  font-size: 0.8rem;
}

.share-url-container input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.share-note {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* Drag and Drop */
.editor-pane.drag-over .editor {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

/* Scrollbar */
*::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

*::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}

*::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}

*::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}

/* Responsive */
@media (max-width: 768px) {
  .header {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .header-left {
    justify-content: space-between;
  }

  .tabs {
    order: 3;
    width: 100%;
  }

  .editor-split {
    grid-template-columns: 1fr;
  }

  .panel-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .panel-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .uuid-parsed, .url-parsed {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .main {
    padding: 12px;
  }

  .btn {
    padding: 6px 10px;
    font-size: 0.8rem;
  }

  .tabs button {
    padding: 6px 10px;
    font-size: 0.8rem;
  }

  .editor {
    min-height: 250px;
    font-size: 0.8rem;
    padding: 10px;
  }
}

/* Print */
@media print {
  .header, .panel-actions, .footer, .modal {
    display: none !important;
  }

  .main {
    padding: 0;
  }

  .editor-split {
    grid-template-columns: 1fr;
  }

  body {
    background: white;
    color: black;
  }
}

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