/* ═══════════════════════════════════════════════════════════
   AC MACHINE TROUBLESHOOTER — STYLE.CSS
   TATA MOTORS LUCKNOW | GOVIND KUMAR
   Dark Industrial Cyber Theme
═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=Share+Tech+Mono&family=Exo+2:wght@300;400;600;800&display=swap');

/* ── CSS VARIABLES ─────────────────────────────────────── */
:root {
  --bg:        #0a0c10;
  --bg2:       #0f1218;
  --bg3:       #151820;
  --surface:   #1a1f2e;
  --surface2:  #1e2435;
  --border:    #2a3040;
  --border2:   #333d52;
  --accent:    #00c8ff;
  --accent2:   #0099cc;
  --fault:     #ff4444;
  --fault-dim: rgba(255,68,68,0.15);
  --warn:      #ffaa00;
  --warn-dim:  rgba(255,170,0,0.15);
  --safe:      #00cc66;
  --safe-dim:  rgba(0,204,102,0.15);
  --text:      #e0e8f0;
  --text2:     #8a9ab0;
  --text3:     #5a6a80;
  --glow:      0 0 20px rgba(0,200,255,0.25);
  --glow-sm:   0 0 10px rgba(0,200,255,0.15);
  --radius:    6px;
  --radius-lg: 10px;
  --font-main: 'Rajdhani', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
  --font-exo:  'Exo 2', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-main);
  font-size: 15px;
  min-height: 100vh;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

/* ── SCROLLBAR ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent2); }

/* ── TOP STRIP ─────────────────────────────────────────── */
.topstrip {
  height: 3px;
  background: linear-gradient(90deg, var(--fault), var(--warn), var(--accent), var(--safe));
  background-size: 200% 100%;
  animation: stripMove 4s linear infinite;
  flex-shrink: 0;
}
@keyframes stripMove {
  0% { background-position: 0% 0; }
  100% { background-position: 200% 0; }
}

/* ── HEADER ────────────────────────────────────────────── */
header {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.hamburger-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 18px;
  width: 38px;
  height: 38px;
  border-radius: var(--radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}
.hamburger-btn:hover {
  background: var(--accent);
  color: var(--bg);
  box-shadow: var(--glow-sm);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.logo-box {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: var(--radius);
  letter-spacing: 1px;
  flex-shrink: 0;
  box-shadow: var(--glow-sm);
}

.header-title h1 {
  font-family: var(--font-exo);
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.5px;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-title p {
  font-size: 11px;
  color: var(--text2);
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.lang-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 5px 10px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 1px;
}
.lang-btn:hover {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

/* ── SIDE MENU ─────────────────────────────────────────── */
.side-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 199;
  backdrop-filter: blur(2px);
}
.side-menu-overlay.show { display: block; }

.side-menu {
  position: fixed;
  top: 0;
  left: -260px;
  width: 240px;
  height: 100vh;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  z-index: 200;
  transition: left 0.3s cubic-bezier(0.4,0,0.2,1);
  display: flex;
  flex-direction: column;
  box-shadow: 4px 0 30px rgba(0,0,0,0.5);
}
.side-menu.show { left: 0; }

.side-menu-header {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text2);
  letter-spacing: 2px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.side-menu-close {
  background: none;
  border: none;
  color: var(--text2);
  font-size: 16px;
  cursor: pointer;
  transition: color 0.2s;
  line-height: 1;
}
.side-menu-close:hover { color: var(--fault); }

.menu-item {
  background: none;
  border: none;
  border-left: 3px solid transparent;
  color: var(--text2);
  font-family: var(--font-exo);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 14px 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
  width: 100%;
  transition: all 0.2s;
}
.menu-item:hover {
  background: var(--surface);
  color: var(--text);
  border-left-color: var(--accent);
}
.menu-item.active {
  background: var(--surface2);
  color: var(--accent);
  border-left-color: var(--accent);
}

.tab-icon { font-size: 16px; }
.tab-text { flex: 1; }

/* ── MAIN ──────────────────────────────────────────────── */
main {
  flex: 1;
  padding: 16px;
  max-width: 960px;
  margin: 0 auto;
  width: 100%;
}

/* ── VISIBILITY MODES ──────────────────────────────────── */
.dash-only   { display: block; }
.mana-only   { display: none !important; }
.ai-only     { display: none; }
.about-only  { display: none; }

/* Management mode — restore correct display per element type */
body.mode-management .mana-only          { display: inline-flex !important; }
body.mode-management .card-actions.mana-only { display: flex !important; }
body.mode-management .dash-only { display: block; }
body.mode-management .ai-only   { display: none; }
body.mode-management .about-only{ display: none; }

body.mode-ai .ai-only     { display: flex; }
body.mode-ai .dash-only   { display: none; }
body.mode-ai .about-only  { display: none; }

body.mode-about .about-only { display: block; }
body.mode-about .dash-only  { display: none; }
body.mode-about .ai-only    { display: none; }

/* ── STATS BAR ─────────────────────────────────────────── */
.stats-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
}

.stat-card {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.2s;
}
.stat-card:hover { border-color: var(--border2); transform: translateY(-1px); }
.stat-all  { border-top: 2px solid var(--accent); }
.stat-fault{ border-top: 2px solid var(--fault); }
.stat-warn { border-top: 2px solid var(--warn); }

.stat-icon { font-size: 20px; }

.stat-info { display: flex; flex-direction: column; }
.stat-info label {
  font-size: 10px;
  color: var(--text2);
  letter-spacing: 1px;
  font-family: var(--font-mono);
  text-transform: uppercase;
}
.stat-info strong {
  font-size: 22px;
  font-weight: 700;
  font-family: var(--font-exo);
  line-height: 1;
}
.stat-all  strong { color: var(--accent); }
.stat-fault strong { color: var(--fault); }
.stat-warn strong  { color: var(--warn); }

/* ── TOOLBAR ───────────────────────────────────────────── */
.toolbar {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.search-wrap {
  flex: 1;
  min-width: 180px;
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 10px;
  font-size: 14px;
  pointer-events: none;
}

#searchInput {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-main);
  font-size: 14px;
  padding: 8px 12px 8px 32px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
#searchInput:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(0,200,255,0.1);
}
#searchInput::placeholder { color: var(--text3); }

.filter-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text2);
  font-family: var(--font-exo);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 7px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn:hover { border-color: var(--border2); color: var(--text); }
.filter-btn.active { background: var(--accent); color: var(--bg); border-color: var(--accent); }
.filter-btn.fault-active { background: var(--fault); color: #fff; border-color: var(--fault); }
.filter-btn.warn-active  { background: var(--warn); color: var(--bg); border-color: var(--warn); }

.export-btn, .add-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-exo);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 7px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.export-btn:hover { background: var(--warn-dim); border-color: var(--warn); color: var(--warn); }
.add-btn { border-color: var(--accent); color: var(--accent); }
.add-btn:hover { background: var(--accent); color: var(--bg); box-shadow: var(--glow-sm); }

/* ── ENTRY CARDS ───────────────────────────────────────── */
.entries-list { display: flex; flex-direction: column; gap: 8px; }

.entry-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.2s;
}
.entry-card:hover { border-color: var(--border2); }
.entry-card.type-FAULT  { border-left: 3px solid var(--fault); }
.entry-card.type-WARNING{ border-left: 3px solid var(--warn); }

.entry-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s;
}
.entry-head:hover { background: var(--surface2); }

.type-pill {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1px;
  padding: 3px 7px;
  border-radius: 3px;
  font-weight: 700;
  flex-shrink: 0;
}
.type-FAULT  .type-pill { background: var(--fault-dim); color: var(--fault); border: 1px solid var(--fault); }
.type-WARNING .type-pill{ background: var(--warn-dim);  color: var(--warn);  border: 1px solid var(--warn); }

.entry-code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  flex-shrink: 0;
  min-width: 50px;
}

.entry-title {
  flex: 1;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.3px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.entry-toggle {
  color: var(--text3);
  font-size: 11px;
  transition: transform 0.3s;
  flex-shrink: 0;
}
.entry-card.open .entry-toggle { transform: rotate(180deg); }

.entry-body {
  display: none;
  padding: 0 14px 14px;
  border-top: 1px solid var(--border);
}
.entry-card.open .entry-body { display: block; }

.body-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 12px;
}

.body-section h4 {
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--text2);
  text-transform: uppercase;
  font-family: var(--font-mono);
  margin-bottom: 8px;
}

.reasons-list, .steps-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.reasons-list li, .steps-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 10px;
  background: var(--bg3);
  transition: border-color 0.2s;
}
.reasons-list li:hover, .steps-list li:hover { border-color: var(--border2); }

.step-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  flex-shrink: 0;
  min-width: 16px;
  font-weight: 700;
}
.step-num.fault-color { color: var(--fault); }

.inline-text { flex: 1; line-height: 1.4; }

/* inline add row */
.inline-add-row { background: transparent !important; border: none !important; padding: 4px 0 !important; }
.inline-add-inp {
  flex: 1;
  background: transparent;
  border: none;
  border-bottom: 1px dashed var(--border2);
  color: var(--text);
  font-family: var(--font-main);
  font-size: 12px;
  outline: none;
  padding: 2px 0;
  width: 100%;
}
.inline-add-inp::placeholder { color: var(--text3); font-style: italic; }
.inline-add-inp:focus { border-bottom-color: var(--accent); }

.note-box {
  margin-top: 10px;
  background: var(--warn-dim);
  border: 1px solid var(--warn);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-size: 12px;
  color: var(--warn);
  font-family: var(--font-mono);
}

.card-actions {
  margin-top: 10px;
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.btn-sm {
  font-family: var(--font-exo);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 5px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s;
}
.btn-edit { background: var(--surface2); border-color: var(--border2); color: var(--text); }
.btn-edit:hover { border-color: var(--accent); color: var(--accent); }
.btn-del  { background: var(--fault-dim); border-color: var(--fault); color: var(--fault); }
.btn-del:hover  { background: var(--fault); color: #fff; }

/* ── EMPTY STATE ───────────────────────────────────────── */
.empty-state {
  display: none;
  text-align: center;
  padding: 60px 20px;
  color: var(--text3);
  font-family: var(--font-mono);
  letter-spacing: 1px;
}
.empty-state .big { font-size: 48px; margin-bottom: 12px; opacity: 0.4; }

/* ── AI ASSISTANT ──────────────────────────────────────── */
.ai-container {
  flex-direction: column;
  height: calc(100vh - 160px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.ai-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.ai-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
}

.ai-logo {
  font-size: 22px;
  background: var(--surface2);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
}

.ai-header h2 {
  font-family: var(--font-exo);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--accent);
  line-height: 1.2;
}
.ai-header p {
  font-size: 11px;
  color: var(--text2);
  font-family: var(--font-mono);
}

.ai-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text2);
  letter-spacing: 1px;
}

.ai-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: dotPulse 2s ease-in-out infinite;
}
@keyframes dotPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.ai-load-btn {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--bg);
  font-family: var(--font-exo);
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.5px;
}
.ai-load-btn:hover { filter: brightness(1.15); transform: translateY(-1px); }

/* ── AI CHAT AREA ──────────────────────────────────────── */
.ai-chat-area {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.ai-welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  text-align: center;
  padding: 30px;
  gap: 10px;
}

.ai-welcome-icon { font-size: 48px; opacity: 0.6; }

.ai-welcome-title {
  font-family: var(--font-exo);
  font-size: 20px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 2px;
}

.ai-welcome-sub {
  color: var(--text2);
  font-size: 13px;
  max-width: 300px;
  line-height: 1.5;
}

.ai-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 10px;
}

.ai-suggest-btn {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-main);
  font-size: 12px;
  padding: 7px 14px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
}
.ai-suggest-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0,200,255,0.08);
}

/* ── AI MESSAGES ───────────────────────────────────────── */
.ai-msg {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  animation: msgIn 0.3s ease-out;
}
@keyframes msgIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.ai-msg-user { flex-direction: row-reverse; }

.ai-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--surface2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.ai-bubble {
  max-width: 75%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.6;
}

.ai-msg-user .ai-bubble {
  background: var(--accent2);
  color: #fff;
  border-radius: 12px 12px 2px 12px;
}

.ai-msg-ai .ai-bubble {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 12px 12px 12px 2px;
}

.ai-bubble ul { padding-left: 16px; margin: 6px 0; }
.ai-bubble li { margin-bottom: 4px; }
.ai-bubble strong { color: var(--accent); }

/* thinking dots */
.ai-thinking {
  display: flex;
  gap: 5px;
  align-items: center;
  padding: 2px 0;
}
.ai-thinking span {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: think 1.4s ease-in-out infinite;
}
.ai-thinking span:nth-child(2) { animation-delay: 0.2s; }
.ai-thinking span:nth-child(3) { animation-delay: 0.4s; }
@keyframes think {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* ── SEARCH RESULTS ─────────────────────────────────────── */
.result-entries-section {
  margin-bottom: 16px;
}

.result-section-header {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
  letter-spacing: 1px;
}

.result-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  margin-bottom: 10px;
}

.result-card.type-FAULT { border-left: 3px solid var(--fault); }
.result-card.type-WARNING { border-left: 3px solid var(--warn); }

.result-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.result-type {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
  letter-spacing: 1px;
}

.type-FAULT .result-type { background: var(--fault-dim); color: var(--fault); }
.type-WARNING .result-type { background: var(--warn-dim); color: var(--warn); }

.result-code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
}

.result-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  flex: 1;
}

.result-section {
  font-size: 12px;
  line-height: 1.5;
  margin: 8px 0;
  padding: 6px 0;
  border-top: 1px solid var(--border);
}

.result-section strong {
  color: var(--accent2);
  font-size: 11px;
  display: block;
  margin-bottom: 4px;
}

.result-section li {
  margin: 3px 0;
  padding-left: 8px;
}

.result-note {
  font-size: 11px;
  color: var(--warn);
  background: var(--warn-dim);
  padding: 6px 8px;
  border-radius: 4px;
  margin-top: 8px;
}

.result-pdf-section {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border2);
}

.result-pdf-header {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--warn);
  margin-bottom: 10px;
  letter-spacing: 1px;
}

.result-pdf-page {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px;
  margin-bottom: 8px;
}

.result-pdf-label {
  font-size: 10px;
  color: var(--text3);
  margin-bottom: 4px;
  letter-spacing: 1px;
}

.result-pdf-text {
  font-size: 12px;
  line-height: 1.6;
  color: var(--text2);
  white-space: pre-wrap;
}

.result-pdf-text .pdf-cause {
  color: var(--fault);
  font-weight: 600;
}

.result-pdf-text .pdf-remedy {
  color: var(--safe);
  font-weight: 600;
}

.result-pdf-more {
  font-size: 10px;
  color: var(--text3);
  text-align: center;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--border);
}

.result-pdf-text strong {
  color: var(--accent);
}

.pdf-row {
  display: flex;
  gap: 16px;
  margin: 4px 0;
  padding: 4px 0;
  border-bottom: 1px dashed var(--border);
}

.pdf-left {
  flex: 1;
  color: var(--fault);
}

.pdf-right {
  flex: 1;
  color: var(--safe);
}

.pdf-row:hover {
  background: var(--bg3);
}

/* PDF Faults Display */
.pdf-faults-container {
  padding: 10px 0;
}

.pdf-faults-header {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 2px solid var(--border);
  letter-spacing: 1px;
}

.pdf-faults-empty {
  text-align: center;
  color: var(--text3);
  padding: 20px;
}

.pdf-fault-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
}

.pdf-fault-card.type-fault {
  border-left: 3px solid var(--fault);
}

.pdf-fault-card.type-warn {
  border-left: 3px solid var(--warn);
}

.pdf-fault-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  background: var(--surface);
  flex-wrap: wrap;
}

.pdf-fault-code {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
}

.pdf-fault-type {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
  letter-spacing: 1px;
}

.type-fault .pdf-fault-type {
  background: var(--fault-dim);
  color: var(--fault);
}

.type-warn .pdf-fault-type {
  background: var(--warn-dim);
  color: var(--warn);
}

.pdf-fault-msg {
  font-size: 12px;
  color: var(--text2);
  flex: 1;
}

.pdf-fault-body {
  padding: 10px;
  font-size: 12px;
  line-height: 1.5;
}

.pdf-fault-causes {
  color: var(--fault);
  margin-bottom: 8px;
}

.pdf-fault-causes strong {
  color: var(--fault);
}

.pdf-fault-remedies {
  color: var(--safe);
}

.pdf-fault-remedies strong {
  color: var(--safe);
}

.pdf-raw-container {
  padding: 10px 0;
}

.pdf-raw-text {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.4;
  max-height: 400px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text2);
  margin-top: 8px;
}

.search-no-results {
  text-align: center;
  padding: 30px 20px;
}

.no-results-icon {
  font-size: 40px;
  margin-bottom: 12px;
  opacity: 0.5;
}

.no-results-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.no-results-sub {
  font-size: 12px;
  color: var(--text3);
}

.no-results-help {
  margin-top: 16px;
  padding: 12px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 11px;
  color: var(--text2);
  line-height: 1.6;
  text-align: left;
}

.no-results-help strong {
  color: var(--accent);
}

.no-results-dev {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text3);
  text-align: center;
  line-height: 1.6;
}

.no-results-dev strong {
  color: var(--accent2);
}

/* ── AI INPUT ──────────────────────────────────────────── */
.ai-input-area {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg2);
  flex-shrink: 0;
}

.ai-input-wrap {
  display: flex;
  gap: 8px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 4px 6px 4px 16px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.ai-input-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(0,200,255,0.1);
}

#aiQuestion {
  flex: 1;
  background: none;
  border: none;
  color: var(--text);
  font-family: var(--font-main);
  font-size: 14px;
  outline: none;
}
#aiQuestion::placeholder { color: var(--text3); }

.ai-send-btn {
  background: var(--accent);
  border: none;
  color: var(--bg);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}
.ai-send-btn:hover { background: var(--accent2); transform: scale(1.05); }
.ai-send-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ── ABOUT ─────────────────────────────────────────────── */
.about-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  animation: fadeIn 0.4s ease;
}

.about-container h2 {
  font-family: var(--font-exo);
  font-size: 20px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.about-container > p {
  color: var(--text2);
  font-size: 13px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 24px;
}

.value-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 10px;
  text-align: center;
  transition: all 0.2s;
}
.value-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0,200,255,0.1);
}

.v-icon { font-size: 24px; margin-bottom: 8px; }
.v-text {
  font-family: var(--font-exo);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--accent);
}

.about-flex {
  display: flex;
  gap: 24px;
}

.about-col { flex: 1; }

.about-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--text3);
  text-transform: uppercase;
  margin-bottom: 8px !important;
}

.about-col p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text);
}

.infra-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.infra-list li {
  font-size: 13px;
  color: var(--text);
  display: flex;
  gap: 8px;
  align-items: flex-start;
  line-height: 1.5;
}
.check { color: var(--safe); font-weight: 700; flex-shrink: 0; }

/* ── FOOTER ────────────────────────────────────────────── */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 8px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text3);
  letter-spacing: 1px;
  flex-shrink: 0;
}

.footer-brand {
  color: var(--accent);
  font-weight: 700;
}

/* ── MODAL ─────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal-overlay.show { display: flex; }

.modal {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  width: min(560px, 100%);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
  animation: modalIn 0.25s ease-out;
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(-10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.modal-header h2 {
  font-family: var(--font-exo);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--accent);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text2);
  font-size: 18px;
  cursor: pointer;
  transition: color 0.2s;
  line-height: 1;
}
.modal-close:hover { color: var(--fault); }

.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-note {
  background: rgba(0,200,255,0.06);
  border: 1px solid rgba(0,200,255,0.2);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-size: 12px;
  color: var(--text2);
  line-height: 1.5;
}
.form-note strong { color: var(--accent); }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-row label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--text2);
  text-transform: uppercase;
}
.form-row input[type="text"],
.form-row input[type="password"],
.form-row select {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-main);
  font-size: 14px;
  padding: 8px 10px;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}
.form-row input:focus, .form-row select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(0,200,255,0.1);
}
.form-row select option { background: var(--bg2); }

.dynamic-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.dynamic-row {
  display: flex;
  gap: 6px;
  align-items: center;
}
.dynamic-row input {
  flex: 1;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-main);
  font-size: 13px;
  padding: 7px 10px;
  outline: none;
  transition: border-color 0.2s;
}
.dynamic-row input:focus { border-color: var(--accent); }
.dynamic-row input::placeholder { color: var(--text3); font-size: 12px; }

.del-row-btn {
  background: var(--fault-dim);
  border: 1px solid var(--fault);
  color: var(--fault);
  border-radius: var(--radius);
  width: 28px;
  height: 28px;
  cursor: pointer;
  font-size: 12px;
  flex-shrink: 0;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.del-row-btn:hover { background: var(--fault); color: #fff; }

.add-row-btn {
  background: none;
  border: 1px dashed var(--border2);
  color: var(--text3);
  font-size: 12px;
  font-family: var(--font-exo);
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 6px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  margin-top: 4px;
  transition: all 0.2s;
  align-self: flex-start;
}
.add-row-btn:hover { border-color: var(--accent); color: var(--accent); }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 12px 18px;
  border-top: 1px solid var(--border);
}

.btn-cancel {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text2);
  font-family: var(--font-exo);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 8px 18px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
}
.btn-cancel:hover { border-color: var(--border2); color: var(--text); }

.btn-save {
  background: var(--accent);
  border: 1px solid var(--accent);
  color: var(--bg);
  font-family: var(--font-exo);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 8px 20px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
}
.btn-save:hover { background: var(--accent2); box-shadow: var(--glow-sm); }

/* ── LOADING OVERLAY ───────────────────────────────────── */
.loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: radial-gradient(circle at center, rgba(15,18,26,0.97), rgba(10,12,16,0.98));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  backdrop-filter: blur(6px);
}
.loading-overlay.hidden { display: none; }

.loading-box {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  text-align: center;
  min-width: 280px;
  box-shadow: 0 0 40px rgba(0,200,255,0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.spinner {
  width: 44px;
  height: 44px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-title {
  font-family: var(--font-exo);
  font-size: 18px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 2px;
}

.loading-sub {
  font-size: 12px;
  color: var(--text2);
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

.loading-bar-wrap {
  width: 100%;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin: 8px 0;
}

.loading-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  border-radius: 2px;
  width: 0%;
  transition: width 0.5s ease;
  box-shadow: 0 0 8px var(--accent);
}

.loading-tip {
  font-size: 11px;
  color: var(--text3);
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

/* ── TOAST ─────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--safe);
  color: #000;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 10px 22px;
  border-radius: 24px;
  z-index: 9999;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.34,1.56,0.64,1);
  white-space: nowrap;
  pointer-events: none;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── ANIMATIONS ────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── RESPONSIVE ────────────────────────────────────────── */
@media (max-width: 640px) {
  main { padding: 10px; }

  .header-title h1 { font-size: 13px; }
  .header-title p  { display: none; }

  .stats-bar { gap: 8px; }
  .stat-card { padding: 8px 10px; }
  .stat-info strong { font-size: 18px; }

  .toolbar { gap: 6px; }
  .filter-btn { font-size: 11px; padding: 6px 10px; }

  .body-grid { grid-template-columns: 1fr; }

  .values-grid { grid-template-columns: repeat(2, 1fr); }

  .about-flex { flex-direction: column; }

  .form-grid { grid-template-columns: 1fr; }

  .ai-container { height: calc(100vh - 140px); }

  .ai-bubble { max-width: 88%; }

  .modal { max-height: 95vh; }
}

@media (max-width: 400px) {
  .logo-box { display: none; }
  .stats-bar { flex-direction: column; }
}