/* ==========================================================================
   Azure Resource Graph KQL Validator — Stylesheet
   Microsoft Fluent-inspired design system
   ========================================================================== */

/* --------------------------------------------------------------------------
   Custom properties
   -------------------------------------------------------------------------- */
:root {
  --azure-blue:        #0078d4;
  --azure-blue-dark:   #005a9e;
  --azure-blue-light:  #deecf9;
  --azure-blue-xlight: #eff6fc;

  --surface:           #f3f2f1;
  --surface-card:      #ffffff;
  --surface-sidebar:   #faf9f8;
  --border:            #edebe9;
  --border-dark:       #d2d0ce;

  --text-primary:      #201f1e;
  --text-secondary:    #605e5c;
  --text-disabled:     #a19f9d;
  --text-link:         #0078d4;

  --error-red:         #a4262c;
  --error-bg:          #fde7e9;
  --error-border:      #f1707b;
  --warning-yellow:    #835b00;
  --warning-bg:        #fff4ce;
  --warning-border:    #ffb900;
  --success-green:     #107c10;
  --success-bg:        #dff6dd;
  --success-border:    #57a300;

  --header-height:     52px;
  --sidebar-width:     280px;
  --toolbar-height:    44px;
  --results-height:    220px;

  --radius-sm:         2px;
  --radius:            4px;
  --radius-lg:         6px;

  --shadow-sm:         0 1px 2px rgba(0,0,0,.08);
  --shadow:            0 2px 6px rgba(0,0,0,.12);
  --shadow-lg:         0 4px 16px rgba(0,0,0,.14);

  --font:              'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:              'Cascadia Code', 'Consolas', 'Courier New', monospace;

  --transition:        150ms ease;
}

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

html, body {
  height: 100%;
  font-family: var(--font);
  font-size: 14px;
  color: var(--text-primary);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--text-link); }
a:hover { text-decoration: underline; }

/* --------------------------------------------------------------------------
   App layout — full-height grid
   -------------------------------------------------------------------------- */
.app {
  display: grid;
  grid-template-rows: var(--header-height) 1fr auto;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-areas:
    "header  header"
    "sidebar main"
    "footer  footer";
  height: 100vh;
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.header {
  grid-area: header;
  background: var(--azure-blue);
  color: #fff;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  box-shadow: var(--shadow);
  z-index: 10;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.header-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.header-title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.header-subtitle {
  font-size: 12px;
  opacity: 0.8;
  white-space: nowrap;
}

.header-spacer { flex: 1; }

.header-link {
  color: rgba(255,255,255,0.9);
  font-size: 12px;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: var(--radius);
  padding: 4px 10px;
  transition: background var(--transition), border-color var(--transition);
}

.header-link:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.7);
  text-decoration: none;
}

.sidebar-toggle {
  display: none;
  background: transparent;
  border: none;
  color: white;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  padding: 4px 6px;
  border-radius: var(--radius);
}

/* --------------------------------------------------------------------------
   Sidebar
   -------------------------------------------------------------------------- */
.sidebar {
  grid-area: sidebar;
  background: var(--surface-sidebar);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-section {
  padding: 14px 14px 10px;
  border-bottom: 1px solid var(--border);
}

.sidebar-section:last-child { border-bottom: none; }

.sidebar-heading {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

/* Table chips */
.table-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.table-chip {
  font-family: var(--mono);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 20px;
  border: 1px solid var(--azure-blue);
  background: var(--azure-blue-xlight);
  color: var(--azure-blue-dark);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

.table-chip:hover {
  background: var(--azure-blue);
  color: #fff;
}

/* Sample list */
.samples-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sample-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.sample-item:hover {
  background: var(--azure-blue-xlight);
  border-color: var(--azure-blue-light);
}

.sample-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.sample-desc {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   Main panel
   -------------------------------------------------------------------------- */
.main {
  grid-area: main;
  display: grid;
  grid-template-rows: var(--toolbar-height) 1fr var(--results-height);
  overflow: hidden;
  background: var(--surface-card);
}

/* --------------------------------------------------------------------------
   Toolbar
   -------------------------------------------------------------------------- */
.toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-card);
  flex-shrink: 0;
}

.toolbar-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-right: auto;
}

kbd {
  font-family: var(--mono);
  font-size: 10px;
  padding: 1px 5px;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text-secondary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--azure-blue);
  color: #fff;
}

.btn--primary:hover {
  background: var(--azure-blue-dark);
}

.btn--secondary {
  background: var(--surface-card);
  color: var(--text-primary);
  border-color: var(--border-dark);
}

.btn--secondary:hover {
  background: var(--surface);
}

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

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

.btn--copied {
  background: var(--success-green) !important;
  color: #fff !important;
  border-color: transparent !important;
}

/* --------------------------------------------------------------------------
   Editor area
   -------------------------------------------------------------------------- */
.editor-area {
  overflow: hidden;
  position: relative;
}

.editor-area .CodeMirror {
  height: 100%;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.6;
  border: none;
}

/* --------------------------------------------------------------------------
   Results panel
   -------------------------------------------------------------------------- */
.results-panel {
  border-top: 2px solid var(--border);
  background: var(--surface-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition);
}

.results--valid   { border-top-color: var(--success-border); }
.results--error   { border-top-color: var(--error-red); }
.results--warning { border-top-color: var(--warning-border); }

.results-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.results-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-secondary);
}

.badge {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  border: 1px solid transparent;
}

.badge--success {
  background: var(--success-bg);
  color: var(--success-green);
  border-color: var(--success-border);
}

.badge--error {
  background: var(--error-bg);
  color: var(--error-red);
  border-color: var(--error-border);
}

.badge--warning {
  background: var(--warning-bg);
  color: var(--warning-yellow);
  border-color: var(--warning-border);
}

.error-list {
  overflow-y: auto;
  padding: 8px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.results-empty {
  color: var(--text-secondary);
  font-size: 13px;
  padding: 4px 0;
}

/* Issue cards */
.issue-card {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 8px 12px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 13px;
}

.issue-card--error {
  background: var(--error-bg);
  border-color: var(--error-border);
  color: var(--error-red);
}

.issue-card--warning {
  background: var(--warning-bg);
  border-color: var(--warning-border);
  color: var(--warning-yellow);
}

.issue-icon {
  font-size: 12px;
  font-weight: 700;
  line-height: 20px;
  flex-shrink: 0;
}

.issue-body {
  display: flex;
  gap: 8px;
  align-items: baseline;
  flex-wrap: wrap;
}

.issue-line {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: 20px;
  border: 1px solid currentColor;
  background: transparent;
  cursor: pointer;
  color: inherit;
  white-space: nowrap;
  transition: background var(--transition);
}

.issue-line:hover {
  background: rgba(0,0,0,.08);
}

.issue-message {
  color: var(--text-primary);
  line-height: 1.45;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  grid-area: footer;
  background: var(--surface-sidebar);
  border-top: 1px solid var(--border);
  padding: 6px 16px;
  font-size: 11px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer a { color: var(--text-secondary); }
.footer a:hover { color: var(--azure-blue); }

/* --------------------------------------------------------------------------
   CodeMirror ARG Dark Theme
   -------------------------------------------------------------------------- */
.cm-s-arg-dark {
  background: #1e1e2e;
  color: #cdd6f4;
}

.cm-s-arg-dark .CodeMirror-gutters {
  background: #181825;
  border-right: 1px solid #313244;
  color: #585b70;
}

.cm-s-arg-dark .CodeMirror-linenumber { color: #585b70; }

.cm-s-arg-dark .CodeMirror-cursor { border-left-color: #cdd6f4; }

.cm-s-arg-dark .CodeMirror-selected,
.cm-s-arg-dark .CodeMirror-focused .CodeMirror-selected {
  background: #313244;
}

.cm-s-arg-dark .CodeMirror-matchingbracket {
  color: #a6e3a1 !important;
  font-weight: bold;
  background: rgba(166,227,161,.15);
  border-radius: 2px;
}

/* Tokens */
.cm-s-arg-dark .cm-keyword   { color: #cba6f7; font-weight: 600; }  /* purple — operators */
.cm-s-arg-dark .cm-builtin   { color: #89dceb; }                    /* cyan — functions */
.cm-s-arg-dark .cm-tag       { color: #89b4fa; font-weight: 700; }  /* blue — ARG tables */
.cm-s-arg-dark .cm-string    { color: #a6e3a1; }                    /* green — strings */
.cm-s-arg-dark .cm-comment   { color: #6c7086; font-style: italic; }
.cm-s-arg-dark .cm-number    { color: #fab387; }                    /* peach — numbers */
.cm-s-arg-dark .cm-operator  { color: #f38ba8; }                    /* red — operators */
.cm-s-arg-dark .cm-atom      { color: #f5c2e7; }                    /* pink — atoms */
.cm-s-arg-dark .cm-variable  { color: #cdd6f4; }
.cm-s-arg-dark .cm-variable-2 { color: #89dceb; }
.cm-s-arg-dark .cm-meta     { color: #cba6f7; font-weight: 700; font-size: 15px; } /* pipe */
.cm-s-arg-dark .cm-punctuation { color: #bac2de; }

/* Lint markers */
.cm-s-arg-dark .CodeMirror-lint-mark-error {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='6' height='3'%3E%3Cpath d='M0 3 L1 0 L2 3 L3 0 L4 3 L5 0 L6 3' fill='none' stroke='%23f38ba8' stroke-width='1'/%3E%3C/svg%3E");
}
.cm-s-arg-dark .CodeMirror-lint-mark-warning {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='6' height='3'%3E%3Cpath d='M0 3 L1 0 L2 3 L3 0 L4 3 L5 0 L6 3' fill='none' stroke='%23ffb900' stroke-width='1'/%3E%3C/svg%3E");
}

/* Lint gutter icons */
.CodeMirror-lint-marker-error,
.CodeMirror-lint-marker-warning {
  font-size: 12px;
  line-height: 1;
  padding: 0 2px;
}

/* --------------------------------------------------------------------------
   Scrollbars (Webkit)
   -------------------------------------------------------------------------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-dark); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-disabled); }

/* --------------------------------------------------------------------------
   Responsive — mobile/tablet
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-rows: var(--header-height) 1fr auto auto;
    grid-template-areas:
      "header"
      "main"
      "sidebar"
      "footer";
  }

  .sidebar {
    display: none;
    border-right: none;
    border-top: 1px solid var(--border);
    max-height: 40vh;
  }

  .sidebar--open { display: block; }

  .sidebar-toggle { display: flex; }

  .main {
    grid-template-rows: var(--toolbar-height) 1fr 180px;
  }

  .header-subtitle { display: none; }
}

@media (max-width: 480px) {
  .toolbar-label { display: none; }

  .main {
    grid-template-rows: var(--toolbar-height) 1fr 160px;
  }
}