/* === De*b — design tokens (osnt-records style) === */
:root {
  --color-bg:               #1a1a1a;
  --color-surface:          #2d2d2d;
  --color-text-primary:     #e0e0e0;
  --color-text-secondary:   #999;
  --color-node-stroke:      #5a5a5a;
  --color-node-fill-branch: #3a3a3a;
  --color-node-fill-leaf:   #1a1a1a;
  --color-accent:           #4a9eda;
  --color-accent2:          #9a7eda;
  --color-border:           #444;
  --color-header:           #e0e0e0;
  --color-danger:           #c84040;
  --color-ok:               #2d9e2d;

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.5);
  --radius-sm:  3px;
  --radius-md:  6px;
  --space-1: 4px;  --space-2: 8px;  --space-3: 12px;
  --space-4: 16px; --space-5: 24px; --space-6: 32px;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
                 'Helvetica Neue', Arial, sans-serif;
  --font-mono: ui-monospace, 'Cascadia Mono', Consolas, monospace;
  --font-size-sm:   11px;
  --font-size-base: 14px;
  --font-size-lg:   16px;
  --font-size-xl:   40px;
}

body.light-mode {
  --color-bg:               #ffffff;
  --color-surface:          #f5f5f5;
  --color-text-primary:     #000000;
  --color-text-secondary:   #767676;
  --color-node-stroke:      steelblue;
  --color-node-fill-branch: lightsteelblue;
  --color-node-fill-leaf:   #ffffff;
  --color-header:           #000000;
  --color-border:           #ddd;
  --shadow-sm:              0 1px 3px rgba(0,0,0,0.12);
  --shadow-md:              0 4px 12px rgba(0,0,0,0.15);
}

body {
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  margin: 0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

noscript p {
  text-align: center;
  background-color: #2a1a00;
  color: #e0e0e0;
  margin: 80px auto 0;
  width: 80vw;
  padding: 25px 0;
  border-radius: 10px;
  border: 1px solid #7a4a00;
}

#body { display: flex; flex-direction: column; height: 100%; overflow: hidden; }

/* === header === */
#header {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  text-align: center;
  color: var(--color-header);
  padding: var(--space-2) var(--space-4);
}
#header-title-wrap { display: flex; flex-direction: column; align-items: center; gap: var(--space-1); }
#header-title { font-size: var(--font-size-xl); font-weight: bold; }
#header-subtitle {
  display: flex; align-items: center; gap: 8px;
  font-size: var(--font-size-sm); color: var(--color-text-secondary);
  font-weight: 400; letter-spacing: 0.05em;
}
#header-tool-count {
  font-size: var(--font-size-sm); color: var(--color-accent);
  font-weight: bold; letter-spacing: 0.08em; font-family: var(--font-mono);
  min-height: 13px;
}
#header-actions {
  position: absolute; right: var(--space-4); top: 50%;
  transform: translateY(-50%); display: flex; gap: var(--space-2); align-items: center;
}
#header-actions button {
  background: none; border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); color: var(--color-text-secondary);
  font-size: var(--font-size-sm); font-family: var(--font-family);
  padding: var(--space-1) var(--space-2); cursor: pointer; white-space: nowrap;
}
#header-actions button:hover { color: var(--color-text-primary); border-color: var(--color-text-secondary); }

/* === input row === */
#input-row {
  display: flex; gap: var(--space-3); padding: 0 var(--space-4) var(--space-2);
  align-items: stretch;
}
#dropzone {
  flex: 0 0 280px;
  border: 2px dashed var(--color-border); border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-secondary); font-size: var(--font-size-base);
  padding: var(--space-4); cursor: pointer; text-align: center;
  transition: border-color 150ms, color 150ms, background 150ms;
}
#dropzone:hover, #dropzone.dragover {
  border-color: var(--color-accent); color: var(--color-text-primary);
  background: rgba(74,158,218,0.07);
}
#paste-wrap { flex: 1; display: flex; gap: var(--space-2); }
#paste-input {
  flex: 1; resize: none; height: 64px;
  background: var(--color-surface); color: var(--color-text-primary);
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  padding: var(--space-2); font-family: var(--font-mono); font-size: var(--font-size-sm);
  outline: none;
}
#paste-input:focus { border-color: var(--color-accent); box-shadow: 0 0 0 2px rgba(74,158,218,0.25); }
#run-btn {
  padding: 0 var(--space-4); background: var(--color-accent); color: #fff;
  border: none; border-radius: var(--radius-sm); font-size: var(--font-size-base);
  font-family: var(--font-family); font-weight: bold; cursor: pointer; white-space: nowrap;
}
#run-btn:hover { opacity: 0.88; }
#run-btn:disabled { opacity: 0.45; cursor: default; }

/* === status line === */
#status-line {
  display: flex; align-items: center; gap: var(--space-3);
  padding: 0 var(--space-4) var(--space-2); min-height: 24px;
}
.badge-pill {
  display: inline-block; padding: 2px 10px; border-radius: 12px;
  font-size: var(--font-size-sm); font-weight: bold; color: #fff;
  text-transform: capitalize; white-space: nowrap;
}
.badge-unknown { background: #606060; }
.badge-luraph  { background: var(--color-accent); }
.badge-acph    { background: var(--color-accent2); }
.badge-plain   { background: #606060; }
.badge-err     { background: var(--color-danger); }
#detect-notes { font-size: var(--font-size-sm); color: var(--color-text-secondary); }

/* === main split === */
#main-split { flex: 1; display: flex; min-height: 0; border-top: 1px solid var(--color-border); }
#graph { flex: 1; min-width: 0; cursor: grab; }
#graph:active { cursor: grabbing; }
#side-panel {
  flex: 0 0 380px; display: flex; flex-direction: column; min-height: 0;
  border-left: 1px solid var(--color-border); background: var(--color-surface);
}
#panel-tabs {
  display: flex; gap: var(--space-1); padding: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}
.panel-tab {
  background: none; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  color: var(--color-text-secondary); padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-sm); cursor: pointer;
  transition: color 150ms, border-color 150ms, background 150ms;
}
.panel-tab:hover { color: var(--color-text-primary); border-color: var(--color-text-secondary); }
.panel-tab.active { color: var(--color-text-primary); border-color: var(--color-accent); background: var(--color-bg); }
.panel-page { flex: 1; overflow: auto; padding: var(--space-3); min-height: 0; }
.panel-page.hidden { display: none; }
.empty-note { color: var(--color-text-secondary); font-size: var(--font-size-sm); }

#stats-table { width: 100%; border-collapse: collapse; font-size: var(--font-size-sm); }
#stats-table td { padding: var(--space-1) var(--space-2); border-bottom: 1px solid var(--color-border); }
#stats-table td:first-child { color: var(--color-text-secondary); text-transform: uppercase; font-size: 10px; letter-spacing: 0.05em; }
#stats-table td:last-child { font-family: var(--font-mono); }

.layer-item {
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3); margin-bottom: var(--space-2);
  cursor: pointer; font-size: var(--font-size-sm);
}
.layer-item:hover { border-color: var(--color-accent); }
.layer-item .li-title { font-weight: bold; color: var(--color-accent); }
.layer-item .li-meta { color: var(--color-text-secondary); font-size: var(--font-size-sm); font-family: var(--font-mono); }

#strings-filter {
  width: 100%; box-sizing: border-box; margin-bottom: var(--space-2);
  padding: var(--space-2); background: var(--color-bg); color: var(--color-text-primary);
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  font-family: var(--font-family); font-size: var(--font-size-sm); outline: none;
}
#strings-filter:focus { border-color: var(--color-accent); }
.string-item {
  font-family: var(--font-mono); font-size: 11px; color: var(--color-text-secondary);
  padding: 2px var(--space-1); word-break: break-all; border-bottom: 1px solid var(--color-border);
}
.string-item.hl { color: var(--color-accent); }

#log-out {
  margin: 0; font-family: var(--font-mono); font-size: 11px; line-height: 1.6;
  color: var(--color-text-secondary); white-space: pre-wrap; word-break: break-all;
}

/* === graph === */
.node circle.node-circle {
  cursor: pointer; fill: #0a0a0a; stroke: #a8a8a8; stroke-width: 1.5px;
}
body.light-mode .node circle.node-circle { fill: #ffffff; stroke: #555; }
.node circle.node-circle.selected {
  fill: #0a0a0a; stroke: var(--color-accent); stroke-width: 3px;
  filter: drop-shadow(0 0 10px var(--color-accent));
}
.node text { font-size: 12px; fill: var(--color-text-primary); }
.node text.node-sub { font-size: 10px; fill: var(--color-text-secondary); }
path.link {
  fill: none; stroke: var(--color-accent); stroke-width: 2px; stroke-linecap: round;
  animation: pulseLink 1.4s infinite ease-in-out;
  filter: drop-shadow(0 0 2px rgba(74,158,218,0.6));
}
@keyframes pulseLink {
  0%,100% { stroke-opacity: 0.5; stroke-width: 1.5px; }
  50%     { stroke-opacity: 1;   stroke-width: 3px; }
}

/* === node card === */
#node-card {
  position: fixed; top: 0; left: 0;
  min-width: 300px; max-width: 480px; max-height: 70vh;
  overflow-y: auto;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-md), 0 0 20px rgba(0,0,0,0.6);
  padding: var(--space-4); z-index: 200;
  display: flex; flex-direction: column; gap: var(--space-3);
  font-size: var(--font-size-base); color: var(--color-text-primary);
}
#node-card.hidden { display: none; }
#node-card-close {
  position: absolute; top: var(--space-2); right: var(--space-2);
  background: none; border: none; color: var(--color-text-secondary);
  font-size: 18px; line-height: 1; cursor: pointer; padding: 2px var(--space-1);
  border-radius: var(--radius-sm);
}
#node-card-close:hover { color: var(--color-text-primary); }
#node-card-header { display: flex; flex-direction: column; gap: var(--space-1); padding-right: 20px; }
#node-card-title { font-size: var(--font-size-lg); font-weight: bold; color: #fff; word-break: break-word; }
body.light-mode #node-card-title { color: #000; }
#node-card-breadcrumb { font-size: var(--font-size-sm); color: var(--color-text-secondary); }
#node-card-badges { display: flex; flex-wrap: wrap; gap: var(--space-1); }
.badge { display: inline-block; font-size: 10px; font-weight: bold; padding: 1px 4px; border-radius: 3px; color: #fff; vertical-align: middle; }
.badge-I { background: #9a7eda; }
.badge-L { background: #4a9eda; }
.badge-S { background: #2d9e2d; }
.badge-V { background: #e8944a; }
#node-card-meta { font-size: var(--font-size-sm); color: var(--color-text-secondary); font-family: var(--font-mono); }
#node-card-preview-wrap {
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); max-height: 220px; overflow: auto;
}
#node-card-preview {
  margin: 0; padding: var(--space-2); font-family: var(--font-mono);
  font-size: 11px; color: var(--color-text-primary); white-space: pre-wrap; word-break: break-all;
}
#node-card-download {
  display: inline-block; padding: var(--space-2) var(--space-4);
  background: var(--color-accent); color: #fff; border: none;
  border-radius: var(--radius-md); font-size: var(--font-size-base);
  font-family: var(--font-family); font-weight: bold; cursor: pointer;
  text-align: center; text-decoration: none;
}
#node-card-download:hover { opacity: 0.88; }

/* === about overlay === */
#about-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.65);
  display: flex; align-items: center; justify-content: center; z-index: 40;
  padding: var(--space-3);
}
#about-overlay.hidden { display: none; }
#about-panel {
  position: relative; width: min(560px, 96vw); max-height: 86vh; overflow-y: auto;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-md);
  padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-3);
}
#about-close {
  position: absolute; top: var(--space-2); right: var(--space-2);
  background: none; border: none; color: var(--color-text-secondary);
  font-size: 14px; cursor: pointer; padding: var(--space-1);
}
#about-close:hover { color: var(--color-text-primary); }
#about-title { font-size: var(--font-size-lg); font-weight: bold; }
#about-body { font-size: var(--font-size-sm); color: var(--color-text-secondary); line-height: 1.6; }
#about-body code { font-family: var(--font-mono); color: var(--color-accent); }

/* === legend === */
.legend {
  background: var(--color-surface); border-top: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-4); font-size: var(--font-size-sm);
  color: var(--color-text-secondary); height: 30px; overflow-x: auto; white-space: nowrap;
}
.legend p { margin: 0; display: flex; gap: var(--space-3); justify-content: center; white-space: nowrap; }
.legend a { color: var(--color-accent); }

/* === mobile === */
@media (max-width: 860px) {
  #input-row { flex-direction: column; }
  #dropzone { flex: none; height: 60px; }
  #main-split { flex-direction: column; }
  #side-panel { flex: none; height: 260px; border-left: none; border-top: 1px solid var(--color-border); }
  #header-title { font-size: var(--font-size-lg); }
  .legend { display: none; }
}

.kind { font-size:10px; padding:1px 6px; border-radius:8px; text-transform:uppercase; letter-spacing:.5px; }
.kind-source { background:#123a22; color:#4ade80; border:1px solid #22c55e44; }
.kind-binary { background:#3a1a12; color:#fb923c; border:1px solid #f9731644; }