/* ============================================================
   Industrial Error Decoder — Frontend CSS
   Aesthetic: Industrial / Utilitarian
   Dark slate backgrounds, amber accents, monospace code elements
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@300;400;500;600;700&display=swap');

/* ─── CUSTOM PROPERTIES ──────────────────────────── */
:root {
  --ied-bg:           #0f1117;
  --ied-bg-2:         #161b27;
  --ied-bg-3:         #1e2536;
  --ied-border:       #2a3347;
  --ied-border-light: #3d4f6e;
  --ied-text:         #e2e8f0;
  --ied-text-muted:   #7a8ba8;
  --ied-amber:        #f59e0b;
  --ied-amber-dim:    #92610a;
  --ied-amber-glow:   rgba(245,158,11,.12);
  --ied-red:          #ef4444;
  --ied-red-dim:      rgba(239,68,68,.15);
  --ied-purple:       #8b5cf6;
  --ied-purple-dim:   rgba(139,92,246,.15);
  --ied-green:        #10b981;
  --ied-font:         'IBM Plex Sans', system-ui, sans-serif;
  --ied-mono:         'IBM Plex Mono', 'Courier New', monospace;
  --ied-radius:       6px;
  --ied-radius-lg:    12px;
  --ied-shadow:       0 4px 24px rgba(0,0,0,.4);
  --ied-transition:   0.18s ease;
}

/* ─── APP WRAPPER ───────────────────────────────── */
.ied-app {
  font-family: var(--ied-font);
  color: var(--ied-text);
  max-width: 1100px;
  margin: 0 auto;
  padding: 0;
}

/* ─── SEARCH PANEL ──────────────────────────────── */
.ied-search-panel {
  background: var(--ied-bg-2);
  border: 1px solid var(--ied-border);
  border-radius: var(--ied-radius-lg);
  padding: 2rem 2rem 1.5rem;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
}

/* Decorative corner mark */
.ied-search-panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: linear-gradient(to bottom, var(--ied-amber), transparent 60%);
}

.ied-search-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.ied-icon-circuit {
  width: 42px; height: 42px;
  flex-shrink: 0;
  color: var(--ied-amber);
  opacity: .85;
}

.ied-search-title h2 {
  font-family: var(--ied-mono);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ied-amber);
  letter-spacing: .04em;
  margin: 0 0 .2rem;
  text-transform: uppercase;
}
.ied-search-title p {
  margin: 0;
  font-size: .85rem;
  color: var(--ied-text-muted);
}

/* ─── SEARCH BAR ────────────────────────────────── */
.ied-search-bar {
  display: flex;
  gap: .75rem;
  margin-bottom: 1.25rem;
}

.ied-search-input {
  flex: 1;
  background: var(--ied-bg);
  border: 1px solid var(--ied-border);
  border-radius: var(--ied-radius);
  color: var(--ied-text);
  font-family: var(--ied-mono);
  font-size: .95rem;
  padding: .75rem 1rem;
  outline: none;
  transition: border-color var(--ied-transition), box-shadow var(--ied-transition);
}
.ied-search-input::placeholder { color: var(--ied-text-muted); }
.ied-search-input:focus {
  border-color: var(--ied-amber);
  box-shadow: 0 0 0 3px var(--ied-amber-glow);
}

.ied-search-btn {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: var(--ied-amber);
  color: #0f1117;
  border: none;
  border-radius: var(--ied-radius);
  font-family: var(--ied-font);
  font-weight: 600;
  font-size: .9rem;
  padding: .75rem 1.5rem;
  cursor: pointer;
  transition: background var(--ied-transition), transform var(--ied-transition);
  white-space: nowrap;
}
.ied-search-btn svg { width: 18px; height: 18px; }
.ied-search-btn:hover { background: #fbbf24; transform: translateY(-1px); }
.ied-search-btn:active { transform: translateY(0); }
.ied-search-btn.is-loading { opacity: .7; pointer-events: none; }

/* ─── FILTERS ───────────────────────────────────── */
.ied-filters {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: flex-end;
  padding-top: 1rem;
  border-top: 1px solid var(--ied-border);
}

.ied-filter-group {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  flex: 1;
  min-width: 160px;
}

.ied-filter-group label {
  display: flex;
  align-items: center;
  gap: .35rem;
  font-size: .75rem;
  font-weight: 600;
  color: var(--ied-text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.ied-filter-group label svg {
  width: 13px; height: 13px;
  flex-shrink: 0;
}

.ied-filter-select {
  background: var(--ied-bg);
  border: 1px solid var(--ied-border);
  border-radius: var(--ied-radius);
  color: var(--ied-text);
  font-family: var(--ied-font);
  font-size: .875rem;
  padding: .55rem .75rem;
  outline: none;
  cursor: pointer;
  transition: border-color var(--ied-transition);
}
.ied-filter-select:focus { border-color: var(--ied-amber); }

.ied-clear-btn {
  background: transparent;
  border: 1px dashed var(--ied-border-light);
  border-radius: var(--ied-radius);
  color: var(--ied-text-muted);
  font-size: .8rem;
  padding: .55rem .9rem;
  cursor: pointer;
  transition: color var(--ied-transition), border-color var(--ied-transition);
  align-self: flex-end;
}
.ied-clear-btn:hover { color: var(--ied-amber); border-color: var(--ied-amber); }

/* ─── RESULTS AREA ──────────────────────────────── */
.ied-results { min-height: 200px; }

.ied-results-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  color: var(--ied-text-muted);
  text-align: center;
}
.ied-results-placeholder svg {
  width: 56px; height: 56px;
  margin-bottom: 1rem;
  opacity: .3;
}
.ied-results-placeholder p { font-size: .9rem; margin: 0; }

.ied-results-loading {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 2rem;
  color: var(--ied-text-muted);
  font-family: var(--ied-mono);
  font-size: .875rem;
}
.ied-spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--ied-border);
  border-top-color: var(--ied-amber);
  border-radius: 50%;
  animation: ied-spin .7s linear infinite;
}
@keyframes ied-spin { to { transform: rotate(360deg); } }

.ied-results-meta {
  font-size: .8rem;
  color: var(--ied-text-muted);
  font-family: var(--ied-mono);
  padding: .5rem 0 1rem;
}

.ied-no-results {
  padding: 3rem;
  text-align: center;
  color: var(--ied-text-muted);
  font-size: .9rem;
}

/* ─── CARDS GRID ────────────────────────────────── */
.ied-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

/* ─── SINGLE CARD ───────────────────────────────── */
.ied-card {
  background: var(--ied-bg-2);
  border: 1px solid var(--ied-border);
  border-radius: var(--ied-radius-lg);
  padding: 1.25rem;
  cursor: pointer;
  transition: border-color var(--ied-transition), transform var(--ied-transition), box-shadow var(--ied-transition);
  display: flex;
  flex-direction: column;
  gap: .75rem;
  position: relative;
  overflow: hidden;
}

/* Severity left-bar */
.ied-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0;
  width: 3px; height: 100%;
}
.ied-card.ied-sev-warning::before  { background: var(--ied-amber); }
.ied-card.ied-sev-error::before    { background: var(--ied-red); }
.ied-card.ied-sev-critical::before { background: var(--ied-purple); }

.ied-card:hover {
  border-color: var(--ied-border-light);
  transform: translateY(-2px);
  box-shadow: var(--ied-shadow);
}
.ied-card:focus-visible {
  outline: 2px solid var(--ied-amber);
  outline-offset: 2px;
}

.ied-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
}

.ied-card-code {
  font-family: var(--ied-mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ied-amber);
  letter-spacing: .02em;
}

.ied-card-body { flex: 1; }
.ied-card-title {
  font-size: .95rem;
  font-weight: 600;
  color: var(--ied-text);
  margin: 0 0 .4rem;
  line-height: 1.3;
}
.ied-card-desc {
  font-size: .82rem;
  color: var(--ied-text-muted);
  line-height: 1.5;
  margin: 0;
}

.ied-card-footer {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding-top: .75rem;
  border-top: 1px solid var(--ied-border);
  font-size: .75rem;
  color: var(--ied-text-muted);
  flex-wrap: wrap;
}
.ied-card-meta {
  display: flex;
  align-items: center;
  gap: .3rem;
}
.ied-card-meta svg { width: 12px; height: 12px; flex-shrink: 0; }
.ied-card-cta {
  margin-left: auto;
  color: var(--ied-amber);
  font-weight: 600;
  font-size: .78rem;
  letter-spacing: .03em;
}

/* ─── BADGES ────────────────────────────────────── */
.ied-card-badge, .ied-modal-badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .7rem;
  font-weight: 700;
  font-family: var(--ied-mono);
  letter-spacing: .06em;
  padding: .2rem .6rem;
  border-radius: 4px;
  text-transform: uppercase;
  white-space: nowrap;
}
.ied-badge-warning  { background: rgba(245,158,11,.15); color: var(--ied-amber); border: 1px solid rgba(245,158,11,.3); }
.ied-badge-error    { background: var(--ied-red-dim);   color: var(--ied-red);    border: 1px solid rgba(239,68,68,.3); }
.ied-badge-critical { background: var(--ied-purple-dim);color: var(--ied-purple); border: 1px solid rgba(139,92,246,.3); }

/* ─── PAGINATION ────────────────────────────────── */
.ied-pagination {
  display: flex;
  gap: .5rem;
  justify-content: center;
  margin-top: 2rem;
  flex-wrap: wrap;
}
.ied-page-btn {
  background: var(--ied-bg-2);
  border: 1px solid var(--ied-border);
  border-radius: var(--ied-radius);
  color: var(--ied-text-muted);
  font-family: var(--ied-mono);
  font-size: .85rem;
  width: 36px; height: 36px;
  cursor: pointer;
  transition: all var(--ied-transition);
}
.ied-page-btn:hover, .ied-page-btn.is-active {
  background: var(--ied-amber);
  border-color: var(--ied-amber);
  color: #0f1117;
  font-weight: 700;
}

/* ─── MODAL OVERLAY ─────────────────────────────── */
.ied-modal-overlay{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.75);
  backdrop-filter: blur(4px);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  /* Responsive padding (also covers safe-areas on iOS) */
  padding: max(12px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  animation: ied-overlay-in .15s ease;
}
.ied-modal-overlay[hidden]{ display:none; }
@keyframes ied-overlay-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.ied-modal{
  background: var(--ied-bg-2);
  border: 1px solid var(--ied-border-light);
  border-radius: var(--ied-radius-lg);
  width: 100%;
  /* Wider on desktop, still fluid */
  max-width: 920px;
  /* Use dynamic viewport where available */
  max-height: min(92vh, 92dvh);
  overflow: hidden;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,.6);
  animation: ied-modal-in .2s ease;
  display: flex;
  flex-direction: column;
}

@keyframes ied-modal-in{
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

/* Scrollbar styling */
.ied-modal::-webkit-scrollbar { width: 6px; }
.ied-modal::-webkit-scrollbar-track { background: var(--ied-bg); }
.ied-modal::-webkit-scrollbar-thumb { background: var(--ied-border-light); border-radius: 3px; }

.ied-modal-close{
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--ied-bg-3);
  border: 1px solid var(--ied-border);
  border-radius: 50%;
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  color: var(--ied-text-muted);
  transition: color var(--ied-transition), border-color var(--ied-transition), transform var(--ied-transition);
  z-index: 20;
}
.ied-modal-close svg{ width: 16px; height: 16px; }
.ied-modal-close:hover{ color: var(--ied-text); border-color: var(--ied-text-muted); transform: scale(1.03); }
/* ─── MODAL CONTENT ─────────────────────────────── */
.ied-modal-content { padding: 3.25rem clamp(1rem, 3vw, 2rem) clamp(1rem, 3vw, 2rem); overflow: auto; -webkit-overflow-scrolling: auto; overscroll-behavior: contain; }

.ied-modal-header { padding-bottom: 1.5rem; margin-bottom: 1.5rem; border-bottom: 1px solid var(--ied-border); }

.ied-modal-code-wrap {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: .75rem;
  padding-top: .25rem;
}

.ied-modal-code {
  font-family: var(--ied-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ied-amber);
  letter-spacing: .04em;
}

.ied-modal-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ied-text);
  margin: 0 0 .75rem;
  line-height: 1.3;
}

.ied-modal-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.ied-meta-chip {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  background: var(--ied-bg-3);
  border: 1px solid var(--ied-border);
  border-radius: 4px;
  font-size: .78rem;
  color: var(--ied-text-muted);
  padding: .25rem .6rem;
  font-family: var(--ied-mono);
}
.ied-meta-chip svg { width: 12px; height: 12px; flex-shrink: 0; }

/* ─── MODAL SECTIONS ────────────────────────────── */
.ied-modal-sections { display: flex; flex-direction: column; gap: 1.75rem; }

.ied-modal-section {}

.ied-section-heading {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  font-weight: 700;
  color: var(--ied-text-muted);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin: 0 0 .9rem;
  font-family: var(--ied-mono);
}
.ied-section-heading svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--ied-amber); }

.ied-description-text {
  font-size: .92rem;
  line-height: 1.7;
  color: var(--ied-text);
  margin: 0;
  background: var(--ied-bg-3);
  border: 1px solid var(--ied-border);
  border-radius: var(--ied-radius);
  padding: 1rem 1.25rem;
}

/* ─── STEPS LIST ────────────────────────────────── */
.ied-steps-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  counter-reset: ied-step;
}

.ied-step-item {
  display: flex;
  align-items: flex-start;
  gap: .9rem;
  font-size: .9rem;
  line-height: 1.55;
  color: var(--ied-text);
  padding: .7rem 1rem;
  background: var(--ied-bg-3);
  border: 1px solid var(--ied-border);
  border-radius: var(--ied-radius);
  counter-increment: ied-step;
}

.ied-step-check {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border: 1.5px solid var(--ied-border-light);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--ied-mono);
  font-size: .7rem;
  font-weight: 700;
  color: var(--ied-amber);
}
.ied-step-check::before {
  content: counter(ied-step);
}

/* ─── COMPONENTS LIST ───────────────────────────── */
.ied-components-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: .5rem;
}

.ied-component-item {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .88rem;
  color: var(--ied-text);
  background: var(--ied-bg-3);
  border: 1px solid var(--ied-border);
  border-radius: var(--ied-radius);
  padding: .55rem .85rem;
}
.ied-component-item svg {
  width: 14px; height: 14px;
  flex-shrink: 0;
  color: var(--ied-green);
}

/* ─── RESPONSIVE ────────────────────────────────── */
@media (max-width: 640px) {
  .ied-search-panel { padding: 1.25rem 1.25rem 1rem; }
  .ied-search-bar { flex-direction: column; }
  .ied-search-btn { width: 100%; justify-content: center; }
  .ied-filters { flex-direction: column; }
  .ied-filter-group { min-width: 100%; }
  .ied-cards-grid { grid-template-columns: 1fr; }
  .ied-modal-content { padding: 0 1.25rem 1.5rem; }
  .ied-modal-code { font-size: 1.2rem; }
  .ied-modal-title { font-size: 1.1rem; }
  .ied-components-list { grid-template-columns: 1fr; }
  /* Modal: full-screen on small devices */
  .ied-modal-overlay { padding: 0; align-items: stretch; }
  .ied-modal{
    max-width: 100%;
    width: 100%;
    height: 100dvh;
    max-height: 100dvh;
    border-radius: 0;
    border-left: 0;
    border-right: 0;
  }
  .ied-modal-close{ top: 10px; right: 10px; }
  .ied-modal-content{ padding: 3.1rem 1rem 1.25rem; }
  .ied-tabs{ padding: .9rem 1rem .6rem; gap: .4rem; }
  .ied-tab-btn{ font-size: .74rem; padding: .38rem .7rem; }

}


/* ============================================================
   AI EXTENSIONS — tabs, chat, diagnose, simplify
   ============================================================ */

/* ─── TABS ──────────────────────────────────────────── */
.ied-tabs {
  display: flex;
  gap: .35rem;
  padding: 1.25rem 2rem .75rem;
  border-bottom: 1px solid var(--ied-border);
  flex-wrap: wrap;
}
.ied-tab-btn {
  background: transparent;
  border: 1px solid var(--ied-border);
  border-radius: var(--ied-radius);
  color: var(--ied-text-muted);
  font-family: var(--ied-mono);
  font-size: .78rem;
  font-weight: 600;
  padding: .4rem .9rem;
  cursor: pointer;
  letter-spacing: .04em;
  transition: all var(--ied-transition);
}
.ied-tab-btn:hover { border-color: var(--ied-border-light); color: var(--ied-text); }
.ied-tab-btn.is-active { background: var(--ied-amber); border-color: var(--ied-amber); color: #0f1117; }

/* ─── AI PANE ────────────────────────────────────── */
.ied-ai-pane { padding: 1.5rem 0; display: flex; flex-direction: column; gap: 1rem; }

.ied-ai-pane-intro {
  display: flex; align-items: flex-start; gap: .75rem;
  background: var(--ied-bg-3); border: 1px solid var(--ied-border); border-radius: var(--ied-radius);
  padding: .9rem 1.1rem; font-size: .87rem; color: var(--ied-text-muted); line-height: 1.5;
}
.ied-ai-pane-intro svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 1px; color: var(--ied-amber); }
.ied-ai-pane-intro p { margin: 0; }

.ied-ai-action-btn {
  display: inline-flex; align-items: center; gap: .6rem;
  background: linear-gradient(135deg, #1e3a5f, #162a45);
  border: 1px solid var(--ied-border-light); border-radius: var(--ied-radius);
  color: var(--ied-text); font-family: var(--ied-font); font-size: .9rem; font-weight: 600;
  padding: .75rem 1.4rem; cursor: pointer; transition: all var(--ied-transition); align-self: flex-start;
}
.ied-ai-action-btn:hover:not(:disabled) { border-color: var(--ied-amber); color: var(--ied-amber); }
.ied-ai-action-btn:disabled { opacity: .6; cursor: not-allowed; }
.ied-btn-ico { font-size: 1rem; }
.ied-ai-result { margin-top: .5rem; }
.ied-ai-error { color: var(--ied-red); font-size: .87rem; margin: 0; }

.ied-simplified-box { background: var(--ied-bg-3); border: 1px solid var(--ied-border-light); border-left: 3px solid var(--ied-amber); border-radius: var(--ied-radius); overflow: hidden; }
.ied-simplified-header { background: var(--ied-amber-glow); border-bottom: 1px solid var(--ied-border); color: var(--ied-amber); font-family: var(--ied-mono); font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: .5rem 1rem; }
.ied-simplified-box p { margin: 0; padding: 1rem; font-size: .92rem; line-height: 1.7; color: var(--ied-text); }

/* ─── DIAGNOSE ───────────────────────────────────── */
.ied-diagnose-input {
  width: 100%;
  background: var(--ied-bg, #0f1117);
  border: 1px solid var(--ied-border, #2a3347);
  border-radius: var(--ied-radius, 6px);
  color: var(--ied-text, #e2e8f0);
  -webkit-text-fill-color: currentColor;
  font-family: var(--ied-font, system-ui, sans-serif);
  font-size: .9rem;
  line-height: 1.55;
  padding: .75rem 1rem;
  resize: vertical;
  outline: none;
  transition: border-color var(--ied-transition, .18s ease);
  box-sizing: border-box;
  position: relative;
  z-index: 1;
  pointer-events: auto;
}
.ied-diagnose-input::placeholder { color: var(--ied-text-muted); }
.ied-diagnose-input:focus { border-color: var(--ied-amber); }

.ied-diagnose-analysis { background: var(--ied-bg-3); border: 1px solid var(--ied-border); border-radius: var(--ied-radius); padding: .85rem 1rem; font-size: .88rem; color: var(--ied-text); line-height: 1.5; margin-bottom: 1rem; }
.ied-diagnose-suggestions { display: flex; flex-direction: column; gap: .75rem; }
.ied-diagnose-card { background: var(--ied-bg-3); border: 1px solid var(--ied-border); border-radius: var(--ied-radius); padding: 1rem 1.1rem; }
.ied-diagnose-card-header { display: flex; align-items: center; gap: .75rem; margin-bottom: .5rem; flex-wrap: wrap; }
.ied-diagnose-num { background: var(--ied-amber); color: #0f1117; font-family: var(--ied-mono); font-size: .75rem; font-weight: 700; width: 20px; height: 20px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.ied-diagnose-prob { font-size: .8rem; font-weight: 700; font-family: var(--ied-mono); }
.ied-diagnose-codes { font-size: .78rem; color: var(--ied-text-muted); }
.ied-diagnose-codes code { background: var(--ied-bg); border: 1px solid var(--ied-border); border-radius: 3px; padding: 0 .35rem; font-family: var(--ied-mono); color: var(--ied-amber); }
.ied-diagnose-card strong { font-size: .92rem; color: var(--ied-text); display: block; margin-bottom: .3rem; }
.ied-diagnose-card p { margin: 0; font-size: .83rem; color: var(--ied-text-muted); line-height: 1.5; }

/* ─── CHAT ───────────────────────────────────────── */
.ied-chat-wrap { display: flex; flex-direction: column; height: 440px; }
.ied-chat-messages { flex: 1; overflow-y: auto; padding: 1rem 0; display: flex; flex-direction: column; gap: .85rem; scrollbar-width: thin; scrollbar-color: var(--ied-border-light) transparent; }
.ied-chat-bubble { display: flex; align-items: flex-start; gap: .6rem; max-width: 88%; }
.ied-chat-user { align-self: flex-end; flex-direction: row-reverse; }
.ied-chat-ai   { align-self: flex-start; }
.ied-chat-avatar { flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: .7rem; font-weight: 700; font-family: var(--ied-mono); }
.ied-chat-ai   .ied-chat-avatar { background: var(--ied-amber); color: #0f1117; }
.ied-chat-user .ied-chat-avatar { background: var(--ied-bg-3); color: var(--ied-text-muted); font-size: 1rem; }
.ied-chat-text { background: var(--ied-bg-3); border: 1px solid var(--ied-border); border-radius: var(--ied-radius); color: var(--ied-text); font-size: .88rem; line-height: 1.6; padding: .65rem .9rem; }
.ied-chat-user .ied-chat-text { background: #1e3a5f; border-color: #2a4f80; }
.ied-thinking { display: flex; gap: 4px; align-items: center; padding: .75rem .9rem; }
.ied-thinking span { width: 7px; height: 7px; background: var(--ied-text-muted); border-radius: 50%; animation: ied-bounce .9s ease-in-out infinite; }
.ied-thinking span:nth-child(2) { animation-delay: .15s; }
.ied-thinking span:nth-child(3) { animation-delay: .3s; }
@keyframes ied-bounce { 0%,60%,100% { transform:translateY(0); } 30% { transform:translateY(-6px); } }
.ied-chat-input-wrap { display: flex; gap: .5rem; align-items: flex-end; padding-top: .75rem; border-top: 1px solid var(--ied-border); margin-top: .5rem; }
.ied-chat-input { flex: 1; background: var(--ied-bg); border: 1px solid var(--ied-border); border-radius: var(--ied-radius); color: var(--ied-text); font-family: var(--ied-font); font-size: .88rem; line-height: 1.5; padding: .6rem .85rem; resize: none; outline: none; transition: border-color var(--ied-transition); }

.ied-chat-input {
  background: var(--ied-bg, #0f1117);
  border-color: var(--ied-border, #2a3347);
  color: var(--ied-text, #e2e8f0);
  -webkit-text-fill-color: currentColor;
  position: relative;
  z-index: 1;
}
.ied-chat-input::placeholder { color: var(--ied-text-muted); }
.ied-chat-input:focus { border-color: var(--ied-amber); }
.ied-chat-send-btn { background: var(--ied-amber); border: none; border-radius: var(--ied-radius); color: #0f1117; width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; cursor: pointer; flex-shrink: 0; transition: background var(--ied-transition); }
.ied-chat-send-btn svg { width: 16px; height: 16px; }
.ied-chat-send-btn:hover:not(:disabled) { background: #fbbf24; }
.ied-chat-send-btn:disabled { opacity: .5; cursor: not-allowed; }

/* ============================================================
   AI EXTENSIONS — tabs, chat, diagnose, simplify
   ============================================================ */

/* ─── TABS ──────────────────────────────────────────── */
.ied-tabs {
  display: flex;
  gap: .35rem;
  padding: 1.25rem 2rem .75rem;
  border-bottom: 1px solid var(--ied-border);
  flex-wrap: wrap;
}
.ied-tab-btn {
  background: transparent;
  border: 1px solid var(--ied-border);
  border-radius: var(--ied-radius);
  color: var(--ied-text-muted);
  font-family: var(--ied-mono);
  font-size: .78rem;
  font-weight: 600;
  padding: .4rem .9rem;
  cursor: pointer;
  letter-spacing: .04em;
  transition: all var(--ied-transition);
}
.ied-tab-btn:hover { border-color: var(--ied-border-light); color: var(--ied-text); }
.ied-tab-btn.is-active {
  background: var(--ied-amber);
  border-color: var(--ied-amber);
  color: #0f1117;
}

/* ─── AI PANE (simplify + diagnose) ────────────────── */
.ied-ai-pane {
  padding: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.ied-ai-pane-intro {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  background: var(--ied-bg-3);
  border: 1px solid var(--ied-border);
  border-radius: var(--ied-radius);
  padding: .9rem 1.1rem;
  font-size: .87rem;
  color: var(--ied-text-muted);
  line-height: 1.5;
}
.ied-ai-pane-intro svg {
  width: 20px; height: 20px;
  flex-shrink: 0;
  margin-top: 1px;
  color: var(--ied-amber);
}
.ied-ai-pane-intro p { margin: 0; }

.ied-ai-action-btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  background: linear-gradient(135deg, #1e3a5f, #162a45);
  border: 1px solid var(--ied-border-light);
  border-radius: var(--ied-radius);
  color: var(--ied-text);
  font-family: var(--ied-font);
  font-size: .9rem;
  font-weight: 600;
  padding: .75rem 1.4rem;
  cursor: pointer;
  transition: all var(--ied-transition);
  align-self: flex-start;
}
.ied-ai-action-btn:hover:not(:disabled) {
  background: linear-gradient(135deg, #1e4080, #162a6a);
  border-color: var(--ied-amber);
  color: var(--ied-amber);
}
.ied-ai-action-btn:disabled { opacity: .6; cursor: not-allowed; }
.ied-btn-ico { font-size: 1rem; }

.ied-ai-result { margin-top: .5rem; }
.ied-ai-error { color: var(--ied-red); font-size: .87rem; margin: 0; }

/* Simplified box */
.ied-simplified-box {
  background: var(--ied-bg-3);
  border: 1px solid var(--ied-border-light);
  border-left: 3px solid var(--ied-amber);
  border-radius: var(--ied-radius);
  overflow: hidden;
}
.ied-simplified-header {
  background: var(--ied-amber-glow);
  border-bottom: 1px solid var(--ied-border);
  color: var(--ied-amber);
  font-family: var(--ied-mono);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .5rem 1rem;
}
.ied-simplified-box p {
  margin: 0;
  padding: 1rem;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--ied-text);
}

/* ─── DIAGNOSE INPUT ─────────────────────────────── */
.ied-diagnose-input {
  width: 100%;
  background: var(--ied-bg, #0f1117);
  border: 1px solid var(--ied-border, #2a3347);
  border-radius: var(--ied-radius, 6px);
  color: var(--ied-text, #e2e8f0);
  -webkit-text-fill-color: currentColor;
  font-family: var(--ied-font, system-ui, sans-serif);
  font-size: .9rem;
  line-height: 1.55;
  padding: .75rem 1rem;
  resize: vertical;
  outline: none;
  transition: border-color var(--ied-transition, .18s ease);
  box-sizing: border-box;
  position: relative;
  z-index: 1;
  pointer-events: auto;
}
.ied-diagnose-input::placeholder { color: var(--ied-text-muted); }
.ied-diagnose-input:focus { border-color: var(--ied-amber); }

/* ─── DIAGNOSE RESULT ────────────────────────────── */
.ied-diagnose-result {}

.ied-diagnose-analysis {
  background: var(--ied-bg-3);
  border: 1px solid var(--ied-border);
  border-radius: var(--ied-radius);
  padding: .85rem 1rem;
  font-size: .88rem;
  color: var(--ied-text);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.ied-diagnose-suggestions { display: flex; flex-direction: column; gap: .75rem; }

.ied-diagnose-card {
  background: var(--ied-bg-3);
  border: 1px solid var(--ied-border);
  border-radius: var(--ied-radius);
  padding: 1rem 1.1rem;
}
.ied-diagnose-card-header {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: .5rem;
  flex-wrap: wrap;
}
.ied-diagnose-num {
  background: var(--ied-amber);
  color: #0f1117;
  font-family: var(--ied-mono);
  font-size: .75rem;
  font-weight: 700;
  width: 20px; height: 20px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.ied-diagnose-prob { font-size: .8rem; font-weight: 700; font-family: var(--ied-mono); }
.ied-diagnose-codes { font-size: .78rem; color: var(--ied-text-muted); }
.ied-diagnose-codes code {
  background: var(--ied-bg);
  border: 1px solid var(--ied-border);
  border-radius: 3px;
  padding: 0 .35rem;
  font-family: var(--ied-mono);
  color: var(--ied-amber);
}
.ied-diagnose-card strong { font-size: .92rem; color: var(--ied-text); display: block; margin-bottom: .3rem; }
.ied-diagnose-card p { margin: 0; font-size: .83rem; color: var(--ied-text-muted); line-height: 1.5; }

/* ─── CHAT ───────────────────────────────────────── */
.ied-chat-wrap {
  display: flex;
  flex-direction: column;
  height: 440px;
  gap: 0;
}

.ied-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 0;
  display: flex;
  flex-direction: column;
  gap: .85rem;
  scrollbar-width: thin;
  scrollbar-color: var(--ied-border-light) transparent;
}

.ied-chat-bubble {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  max-width: 88%;
}
.ied-chat-user { align-self: flex-end; flex-direction: row-reverse; }
.ied-chat-ai   { align-self: flex-start; }

.ied-chat-avatar {
  flex-shrink: 0;
  width: 30px; height: 30px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .7rem;
  font-weight: 700;
  font-family: var(--ied-mono);
}
.ied-chat-ai   .ied-chat-avatar { background: var(--ied-amber); color: #0f1117; }
.ied-chat-user .ied-chat-avatar { background: var(--ied-bg-3); color: var(--ied-text-muted); font-size: 1rem; }

.ied-chat-text {
  background: var(--ied-bg-3);
  border: 1px solid var(--ied-border);
  border-radius: var(--ied-radius);
  color: var(--ied-text);
  font-size: .88rem;
  line-height: 1.6;
  padding: .65rem .9rem;
}
.ied-chat-user .ied-chat-text {
  background: #1e3a5f;
  border-color: #2a4f80;
}

/* Thinking animation */
.ied-thinking { display: flex; gap: 4px; align-items: center; padding: .75rem .9rem; }
.ied-thinking span {
  width: 7px; height: 7px;
  background: var(--ied-text-muted);
  border-radius: 50%;
  animation: ied-bounce .9s ease-in-out infinite;
}
.ied-thinking span:nth-child(2) { animation-delay: .15s; }
.ied-thinking span:nth-child(3) { animation-delay: .3s; }
@keyframes ied-bounce { 0%,60%,100% { transform:translateY(0); } 30% { transform:translateY(-6px); } }

.ied-chat-input-wrap {
  display: flex;
  gap: .5rem;
  align-items: flex-end;
  padding-top: .75rem;
  border-top: 1px solid var(--ied-border);
  margin-top: .5rem;
}

.ied-chat-input {
  flex: 1;
  background: var(--ied-bg);
  border: 1px solid var(--ied-border);
  border-radius: var(--ied-radius);
  color: var(--ied-text);
  font-family: var(--ied-font);
  font-size: .88rem;
  line-height: 1.5;
  padding: .6rem .85rem;
  resize: none;
  outline: none;
  transition: border-color var(--ied-transition);
}
.ied-chat-input::placeholder { color: var(--ied-text-muted); }
.ied-chat-input:focus { border-color: var(--ied-amber); }

.ied-chat-send-btn {
  background: var(--ied-amber);
  border: none;
  border-radius: var(--ied-radius);
  color: #0f1117;
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--ied-transition);
}
.ied-chat-send-btn svg { width: 16px; height: 16px; }
.ied-chat-send-btn:hover:not(:disabled) { background: #fbbf24; }
.ied-chat-send-btn:disabled { opacity: .5; cursor: not-allowed; }


/* ─── SHORT HEIGHT SCREENS ───────────────────────────── */
@media (max-height: 720px){
  .ied-modal{ max-height: min(96vh, 96dvh); }
  .ied-modal-content{ padding-top: 3.1rem; }
}


/* ied-input-hardening: ensure modal inputs are editable across browsers (iOS overflow quirks, theme key handlers) */
.ied-modal textarea, .ied-modal input {
  touch-action: manipulation;
}

/* Pagination (condensed with ellipsis) */
.ied-pagination{
  display:flex;
  gap:.5rem;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  margin-top:1rem;
}
.ied-page-ellipsis{
  color: var(--ied-text-muted);
  padding: .25rem .35rem;
  user-select:none;
}
.ied-page-prev, .ied-page-next{ font-weight: 600; }
.ied-search-form{ position: relative; z-index: 1; }