/*
 * Copyright (c) 2026 Terry Packer.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 */

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

/* ─── Base ───────────────────────────────────────────────────────────────── */
body {
  font-family: monospace;
  background: #0f172a;
  color: #e5e7eb;
  height: 100vh;
}

/* ─── Page layouts ───────────────────────────────────────────────────────── */
/* index.html */
body.app-debugger {
  display: flex;
}

/* home landing page */
body.app-home {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  min-height: 100vh;
}

body.app-home h1 {
  font-size: 20px;
  color: #93c5fd;
  font-weight: normal;
  letter-spacing: 0.05em;
}

.app-summary {
  width: 500px
}
.card-grid {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.sim-card {
  display: block;
  text-decoration: none;
  background: #111827;
  border: 1px solid #334155;
  border-radius: 8px;
  padding: 24px 28px;
  width: 280px;
  transition: border-color 0.15s, background 0.15s;
}

.sim-card:hover {
  background: #1e293b;
  border-color: #3b82f6;
}

.sim-card h2 {
  font-size: 14px;
  color: #93c5fd;
  font-weight: normal;
  margin-bottom: 10px;
}

.sim-card p {
  font-size: 12px;
  color: #94a3b8;
  line-height: 1.6;
}

.sim-card .card-tag {
  display: inline-block;
  margin-top: 14px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #3b82f6;
  border: 1px solid #1d4ed8;
  border-radius: 3px;
  padding: 2px 7px;
}

/* financial-sim.html */
body.app-financial {
  display: flex;
  flex-direction: column;
}

/* ─── Graph debugger layout (index.html) ─────────────────────────────────── */
#graph {
  flex: 2;
  position: relative;
  background: #0f172a;
  overflow: auto;
}

.node {
  position: absolute;
  padding: 6px 10px;
  border-radius: 6px;
  background: #1e293b;
  color: #93c5fd;
  cursor: pointer;
  border: 1px solid #334155;
  font-size: 12px;
}

.node:hover { background: #334155; }

.edge {
  position: absolute;
  background: #475569;
  height: 2px;
  transform-origin: left center;
}

pre {
  white-space: pre-wrap;
  font-size: 12px;
}

/* ─── Top bar (financial-sim.html) ───────────────────────────────────────── */
#topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #111827;
  border-bottom: 1px solid #1e293b;
  padding: 6px 12px;
  flex-shrink: 0;
}

#topbar h1 {
  font-size: 15px;
  color: #93c5fd;
  font-weight: normal;
}

.tab-btn, .sidebar-tab-btn {
  background: #1e293b;
  border: 1px solid #334155;
  color: #94a3b8;
  padding: 5px 14px;
  cursor: pointer;
  font-family: monospace;
  font-size: 12px;
  border-radius: 4px;
  margin-left: 6px;
}

.tab-btn.active, .sidebar-tab-btn.active {
  background: #1d4ed8;
  border-color: #3b82f6;
  color: #fff;
}

/* ─── Main layout (financial-sim.html) ───────────────────────────────────── */
#main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ─── Side panel (financial-sim.html) ────────────────────────────────────── */
body.app-financial #panel {
  width: 270px;
  min-width: 270px;
  background: #111827;
  border-right: 1px solid #1e293b;
  overflow-y: auto;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.section-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748b;
  border-bottom: 1px solid #1e293b;
  padding-bottom: 4px;
  margin-bottom: 6px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 7px;
}

.field label {
  font-size: 11px;
  color: #94a3b8;
}

.field input {
  background: #1e293b;
  border: 1px solid #334155;
  color: #e5e7eb;
  padding: 4px 6px;
  font-family: monospace;
  font-size: 10px;
  border-radius: 3px;
  width: 100%;
}

.field input:focus { outline: none; border-color: #3b82f6; }

button.action-btn {
  background: #1d4ed8;
  border: none;
  color: #fff;
  padding: 6px 10px;
  font-family: monospace;
  font-size: 12px;
  border-radius: 4px;
  cursor: pointer;
  width: 100%;
  margin-top: 4px;
}

button.action-btn:hover { background: #2563eb; }

button.secondary-btn {
  background: #1e293b;
  border: 1px solid #334155;
  color: #94a3b8;
  padding: 5px 8px;
  font-family: monospace;
  font-size: 11px;
  border-radius: 3px;
  cursor: pointer;
}

button.secondary-btn:hover { background: #334155; }

/* ─── Events list ────────────────────────────────────────────────────────── */
.event-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  padding: 4px 2px;
  border-bottom: 1px solid #1e293b;
}

.event-row label { display: flex; align-items: center; gap: 6px; cursor: pointer; color: #cbd5e1; }
.event-row.custom-event span { color: #86efac; font-size: 10px; }

.remove-event, .remove-custom {
  background: none;
  border: none;
  color: #64748b;
  cursor: pointer;
  font-size: 11px;
  padding: 0 4px;
  flex-shrink: 0;
}

.remove-event:hover, .remove-custom:hover { color: #f87171; }

#addEventForm {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 4px;
  padding: 8px;
  margin-top: 6px;
}

#addEventForm .field { margin-bottom: 5px; }

.form-row { display: flex; gap: 6px; margin-top: 6px; }
.form-row button { flex: 1; }

/* ─── State / metrics ────────────────────────────────────────────────────── */
.stat-row {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  padding: 3px 0;
  border-bottom: 1px dotted #1e293b;
}

.stat-row .stat-label { color: #94a3b8; }
.stat-row .stat-value { color: #e5e7eb; }
.stat-row .stat-value.pos { color: #34d399; }
.stat-row .stat-value.neg { color: #f87171; }

/* ─── Content area (tabs) ────────────────────────────────────────────────── */
#content {
  flex: 1;
  position: relative;
  overflow: hidden;
}

.tab-panel { position: absolute; inset: 0; }
.sidebar-tab-panel { inset: 0; }
.tab-panel.hidden, .sidebar-tab-panel.hidden { display: none; }

canvas { display: block; }

/* ─── Node detail overlay ────────────────────────────────────────────────── */
#nodeDetailPanel {
  position: absolute;
  top: 8px;
  right: 8px;
  max-height: calc(100% - 16px);
  overflow-y: auto;
  background: rgba(17, 24, 39, 0.92);
  border: 1px solid #334155;
  border-radius: 6px;
  padding: 8px;
  font-size: 11px;
}

#nodeDetailPanel.hidden { display: none; }
#nodeDetailPanel h4 { color: #93c5fd; font-size: 11px; margin: 0; }
#nodeDetail { white-space: pre-wrap; font-size: 10px; color: #94a3b8; }

/* ─── Node detail tabs ───────────────────────────────────────────────────── */
.nd-tab-bar {
  display: flex;
  gap: 4px;
  margin-bottom: 8px;
}

.nd-tab-btn {
  background: #1e293b;
  border: 1px solid #334155;
  color: #64748b;
  padding: 3px 10px;
  font-family: monospace;
  font-size: 11px;
  border-radius: 3px;
  cursor: pointer;
}

.nd-tab-btn.active {
  background: #1d4ed8;
  border-color: #3b82f6;
  color: #fff;
}

.nd-tab-panel { display: block; margin-top: 6px; }

/* ─── Controls bar ───────────────────────────────────────────────────────── */
#controls {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #111827;
  border-top: 1px solid #1e293b;
  padding: 8px 12px;
  flex-shrink: 0;
}

#controls button {
  background: #1e293b;
  border: 1px solid #334155;
  color: #e5e7eb;
  padding: 5px 10px;
  font-size: 14px;
  border-radius: 4px;
  cursor: pointer;
  font-family: monospace;
}

#controls button:hover { background: #334155; }

#timeSlider {
  flex: 1;
  accent-color: #3b82f6;
  cursor: pointer;
}

#timeLabel {
  font-size: 11px;
  color: #64748b;
  min-width: 100px;
  text-align: right;
}

/* ─── Timeline ───────────────────────────────────────────────────────────── */
#timelineTab {
  overflow-y: auto;
  padding: 10px 14px;
  font-size: 12px;
}

.tl-filter-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  position: sticky;
  top: 0;
  z-index: 10;
  background: #0f172a;
  padding: 6px 0 8px;
  border-bottom: 1px solid #1e293b;
  margin-bottom: 6px;
}

.tl-filter-group {
  flex: 1;
  min-width: 0;
}

.tl-filter-input {
  width: 100%;
  box-sizing: border-box;
  background: #1e293b;
  border: 1px solid #334155;
  color: #cbd5e1;
  font-size: 11px;
  font-family: monospace;
  padding: 3px 7px;
  border-radius: 4px;
  outline: none;
}

.tl-filter-input::placeholder { color: #475569; }

.tl-filter-input:focus {
  border-color: #3b82f6;
  color: #e2e8f0;
}

.tl-filter-clear {
  background: none;
  border: 1px solid #334155;
  color: #475569;
  font-size: 11px;
  padding: 3px 7px;
  border-radius: 4px;
  cursor: pointer;
  flex-shrink: 0;
  white-space: nowrap;
}

.tl-filter-clear:hover { color: #f87171; border-color: #f87171; }

.tl-list { /* scrollable content lives here */ }

.tl-empty {
  color: #64748b;
  text-align: center;
  margin-top: 40px;
  font-size: 13px;
}

.tl-date-group { margin-bottom: 4px; }

.tl-date-hdr {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 8px;
  background: #1e293b;
  border-radius: 4px;
  cursor: pointer;
  user-select: none;
  border-left: 3px solid #3b82f6;
}

.tl-date-hdr:hover { background: #273549; }

.tl-date-str { color: #93c5fd; font-weight: bold; }

.tl-chev { color: #64748b; font-size: 10px; width: 10px; flex-shrink: 0; }

.tl-badge {
  margin-left: auto;
  font-size: 10px;
  color: #64748b;
  background: #0f172a;
  padding: 1px 6px;
  border-radius: 10px;
}

.tl-evts { padding-left: 14px; padding-top: 2px; }

.tl-ev-row {
  display: flex;
  align-items: flex-start;
  gap: 4px;
  padding: 2px 0;
}

.tl-pipe { color: #334155; flex-shrink: 0; padding-top: 5px; }

.tl-ev-inner { flex: 1; min-width: 0; }

.tl-ev-hdr {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 6px;
  border-radius: 3px;
  cursor: pointer;
  user-select: none;
}

.tl-ev-hdr:hover { background: #1e293b; }

.tl-ev-type { color: #fbbf24; font-size: 11px; }

.tl-acts { padding-left: 12px; padding-top: 2px; }

.tl-act {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 2px 4px;
  border-radius: 3px;
  font-size: 11px;
}

.tl-act:hover { background: #1a2535; }

.tl-act-type { color: #a5b4fc; min-width: 180px; flex-shrink: 0; }

.tl-act-val { color: #34d399; flex-shrink: 0; }

.tl-act-reducer {
  color: #475569;
  font-size: 10px;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tl-det {
  background: #1e293b;
  border: 1px solid #334155;
  color: #64748b;
  padding: 1px 6px;
  font-family: monospace;
  font-size: 10px;
  border-radius: 3px;
  cursor: pointer;
  flex-shrink: 0;
  white-space: nowrap;
}

.tl-det:hover { color: #93c5fd; border-color: #3b82f6; }

.tl-rewind {
  background: #1e293b;
  border: 1px solid #334155;
  color: #64748b;
  padding: 1px 5px;
  font-size: 10px;
  border-radius: 3px;
  cursor: pointer;
  flex-shrink: 0;
  margin-left: auto;
}

.tl-rewind:hover { color: #fbbf24; border-color: #f59e0b; }

/* ─── Modal ──────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-box {
  background: #111827;
  border: 1px solid #334155;
  border-radius: 8px;
  width: 560px;
  max-width: 95vw;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-hdr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: #1e293b;
  border-bottom: 1px solid #334155;
  font-size: 13px;
  color: #a5b4fc;
  font-weight: bold;
  flex-shrink: 0;
}

.modal-close {
  background: none;
  border: none;
  color: #64748b;
  cursor: pointer;
  font-size: 14px;
  padding: 2px 6px;
}

.modal-close:hover { color: #f87171; }

.modal-body {
  overflow-y: auto;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modal-meta {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}

.modal-meta td { padding: 3px 6px; }
.modal-meta td:first-child { color: #64748b; width: 110px; }
.modal-meta td:last-child  { color: #e5e7eb; }

.modal-section-title {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748b;
  border-bottom: 1px solid #1e293b;
  padding-bottom: 4px;
}

.modal-code, .field-code {
  background: #0f172a;
  border: 1px solid #1e293b;
  border-radius: 4px;
  padding: 8px;
  font-size: 10px;
  color: #94a3b8;
  white-space: pre-wrap;
  overflow-x: auto;
  max-height: 120px;
}

.diff-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}

.diff-table th {
  text-align: left;
  padding: 4px 6px;
  color: #64748b;
  border-bottom: 1px solid #1e293b;
  font-weight: normal;
}

.diff-table td { padding: 3px 6px; border-bottom: 1px dotted #1e293b; }
.diff-field  { color: #94a3b8; font-size: 10px; }
.diff-before { color: #64748b; }
.diff-after  { color: #e5e7eb; }
.diff-pos    { color: #34d399; margin-left: 6px; }
.diff-neg    { color: #f87171; margin-left: 6px; }

/* ── CODE EDITOR (gene function) ── */
.code-editor {
  width: 100%;
  background: #060910;
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  color: #abb2c0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  padding: 10px 12px;
  resize: vertical;
  outline: none;
  tab-size: 2;
  min-height: 160px;
}
.code-editor:focus { border-color: var(--amber-dim); }
.code-error {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--red);
  margin-top: 4px;
  min-height: 14px;
  line-height: 1.4;
}

/* ─── Utility ────────────────────────────────────────────────────────────── */
.hidden { display: none !important; }