/* ============================================================
   NINOVA CBRN Knowledge Library — Custom Styles
   ============================================================ */

:root {
  --sidebar-width: 268px;
  --navbar-height: 60px;
  --primary-dark: #0d1f35;
  --primary: #0f2744;
  --primary-mid: #163354;
  --accent: #1a6fad;
  --accent-hover: #1557a0;
  --text-primary: #1a2332;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --border: #e2e8f0;
  --bg-main: #f0f4f8;
  --bg-card: #ffffff;
  --chem-color: #c0392b;
  --bio-color: #1e8449;
  --rad-color: #d68910;
  --nuc-color: #6c3483;
  --haz-color: #ca6f1e;
  --danger-1: #27ae60;
  --danger-2: #f1c40f;
  --danger-3: #e67e22;
  --danger-4: #e74c3c;
  --danger-5: #1a0a2e;
}

[data-theme="dark"] {
  --primary-dark: #060d17;
  --primary: #0a1929;
  --primary-mid: #0d2137;
  --text-primary: #e2e8f0;
  --text-secondary: #a0aec0;
  --text-muted: #718096;
  --border: #2d3748;
  --bg-main: #0f1923;
  --bg-card: #1a2535;
  --accent: #2d8fd4;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-main);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
}

/* ============================================================
   LOGIN — CBRN Ops-Center Theme
   ============================================================ */
#login-screen {
  position: fixed; inset: 0; z-index: 1000;
  background: #0b1628;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  padding: 24px;
}

/* ── Background layer 1: tech grid ── */
#login-screen::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(56,139,210,0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,139,210,0.13) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}
/* ── Background layer 2: vignette (daha hafif) ── */
#login-screen::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 90% 90% at 50% 50%, transparent 50%, #0b1628 100%);
  pointer-events: none;
  z-index: 0;
}

/* ─────── DECORATIVE BACKGROUND ELEMENTS ─────── */

.lbg { position: absolute; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }

/* Concentric radar rings */
.lbg-radar {
  position: absolute;
  left: -8vw; top: 50%; transform: translateY(-50%);
  width: 900px; height: 900px;
  margin-left: -450px; margin-top: -450px;
}
.lbg-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(56,139,210,0.28);
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  animation: ring-pulse 4s ease-in-out infinite;
}
.lbg-ring:nth-child(1){ width:160px;  height:160px;  animation-delay:0s;    border-color:rgba(56,139,210,0.55); border-width:2px; }
.lbg-ring:nth-child(2){ width:320px;  height:320px;  animation-delay:0.4s;  border-color:rgba(56,139,210,0.40); }
.lbg-ring:nth-child(3){ width:500px;  height:500px;  animation-delay:0.8s;  border-color:rgba(56,139,210,0.28); }
.lbg-ring:nth-child(4){ width:700px;  height:700px;  animation-delay:1.2s;  border-color:rgba(56,139,210,0.16); }
.lbg-ring:nth-child(5){ width:900px;  height:900px;  animation-delay:1.6s;  border-color:rgba(56,139,210,0.08); }

/* Radar sweep — geniş koni + parlak çizgi */
.lbg-sweep {
  position: absolute;
  top: 50%; left: 50%;
  width: 450px; height: 2px;
  transform-origin: 0 50%;
  animation: radar-sweep 3.5s linear infinite;
  background: linear-gradient(90deg, rgba(56,139,210,1) 0%, rgba(56,139,210,0.3) 50%, transparent 100%);
  filter: blur(0.5px);
  height: 2px;
}
/* koni glow */
.lbg-sweep::before {
  content: '';
  position: absolute;
  top: 50%; left: 0;
  width: 450px; height: 180px;
  transform-origin: 0 50%;
  transform: translateY(-50%);
  background: conic-gradient(from 0deg at 0% 50%, rgba(56,139,210,0.22) 0deg, transparent 30deg);
  pointer-events: none;
}
.lbg-sweep::after {
  content: '';
  position: absolute; inset: -3px;
  background: inherit;
  filter: blur(6px);
  opacity: 0.6;
}

/* Watermark icons — daha görünür */
.lbg-icon {
  position: absolute;
  font-size: 320px;
  line-height: 1;
  pointer-events: none;
  user-select: none;
}
.lbg-icon-bio  { top: -40px;  right: 4%;   color: rgba(39,174,96,0.10);   animation: icon-drift 18s ease-in-out infinite alternate; }
.lbg-icon-rad  { bottom: -60px; right: 26%; color: rgba(243,156,18,0.09);  animation: icon-drift 22s ease-in-out infinite alternate-reverse; }
.lbg-icon-nuc  { top: 28%;   left: 1%;    color: rgba(142,68,173,0.09);  animation: icon-drift 26s ease-in-out infinite alternate; font-size:220px; }

/* CBRN kategori etiketleri */
.lbg-labels {
  position: absolute;
  top: 28px; right: 32px;
  display: flex; flex-direction: column; align-items: flex-end; gap: 7px;
}
.lbg-label {
  font-size: 9px; font-weight: 700; letter-spacing: 3.5px;
  text-transform: uppercase; opacity: 0.5;
  display: flex; align-items: center; gap: 7px;
}
.lbg-label::after {
  content: ''; width: 22px; height: 1px;
  background: currentColor; display: block; opacity: 0.7;
}

/* HUD köşe braketleri — daha belirgin */
.lbg-corner {
  position: absolute;
  width: 28px; height: 28px;
  opacity: 0.55;
}
.lbg-corner::before, .lbg-corner::after {
  content: ''; position: absolute;
  background: #388bd2;
}
.lbg-corner::before { width: 100%; height: 2px; top:0; left:0; }
.lbg-corner::after  { width: 2px; height: 100%; top:0; left:0; }
.lbg-corner.tr { top:18px; right:18px; transform: rotate(90deg); }
.lbg-corner.bl { bottom:18px; left:18px; transform: rotate(270deg); }
.lbg-corner.br { bottom:18px; right:18px; transform: rotate(180deg); }
.lbg-corner.tl { top:18px; left:18px; }

/* Alt durum çubuğu */
.lbg-statusbar {
  position: absolute;
  bottom: 22px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 24px;
  font-size: 9px; font-weight: 700; letter-spacing: 2px;
  color: rgba(56,139,210,0.55); text-transform: uppercase;
  white-space: nowrap;
}
.lbg-statusbar span { display: flex; align-items: center; gap: 5px; }
.lbg-statusbar span::before { content:''; width:5px; height:5px; border-radius:50%; background:currentColor; display:block; }
.lbg-statusbar .active { color: rgba(39,174,96,0.7); }
.lbg-statusbar .active::before { background:#27ae60; animation: blink 2s ease-in-out infinite; }

/* Renk orbs — daha parlak */
.lbg-orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: orb-drift 14s ease-in-out infinite alternate;
}
.lbg-orb-1 { width:560px; height:560px; background:radial-gradient(circle,#1a4a9a,transparent 70%); top:-160px; left:-100px; opacity:0.38; }
.lbg-orb-2 { width:460px; height:460px; background:radial-gradient(circle,#4a1a6a,transparent 70%); bottom:-90px; right:-70px; opacity:0.30; animation-delay:-7s; }
.lbg-orb-3 { width:340px; height:340px; background:radial-gradient(circle,#1a5a38,transparent 70%); bottom:8%; left:28%; opacity:0.22; animation-delay:-3.5s; }

/* ── Keyframes ── */
@keyframes ring-pulse {
  0%,100% { opacity:1; }
  50%      { opacity:0.35; }
}
@keyframes radar-sweep {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes icon-drift {
  from { transform: translate(0,0) rotate(0deg); }
  to   { transform: translate(18px,24px) rotate(8deg); }
}
@keyframes blink {
  0%,100% { opacity:1; } 50% { opacity:0.3; }
}
@keyframes orb-drift {
  from { transform: translate(0,0) scale(1); }
  to   { transform: translate(36px,28px) scale(1.1); }
}

/* Split layout */
.login-shell {
  display: flex;
  width: 100%;
  max-width: 1060px;
  margin: auto;
  position: relative;
  z-index: 1;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 40px 120px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.05);
}

/* Left panel — branding */
.login-panel-left {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 56px 52px;
  background: linear-gradient(160deg, rgba(45,63,107,0.14) 0%, rgba(10,16,28,0.68) 100%);
  border-right: 1px solid rgba(255,255,255,0.06);
  position: relative;
  overflow: hidden;
  min-height: 580px;
}
/* decorative dot grid */
.login-panel-left::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(45,63,107,0.5) 1px, transparent 1px);
  background-size: 26px 26px;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(135deg, transparent 10%, rgba(0,0,0,0.6) 50%, transparent 85%);
  mask-image:         linear-gradient(135deg, transparent 10%, rgba(0,0,0,0.6) 50%, transparent 85%);
}

/* ── NINOVA logo — beyaz yazı, arka plan yok ── */
.login-brand-logo {
  background: transparent;
  overflow: hidden;
  width: 100%;
  /* container 136px → text clip'i ~96px yüksekliğinde gösterir */
  height: 136px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  margin-bottom: 16px;
  position: relative;
}
.login-brand-logo img {
  /* canvas 3508×2480; text center %50 → 180px (360px img)
     container center 68px → margin-top = -(180-68) = -112px */
  height: 360px;
  width: auto;
  flex-shrink: 0;
  display: block;
  margin-top: -112px;
  position: relative; z-index: 1;
  /* lacivert metin → beyaz; beyaz zemin → siyah → screen ile görünmez */
  filter: grayscale(1) invert(1) brightness(2);
  mix-blend-mode: screen;
}

.login-brand-subtitle {
  font-size: 10px; font-weight: 700;
  color: rgba(255,255,255,0.32);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.login-brand-divider {
  width: 52px; height: 2px;
  background: linear-gradient(90deg, #2d6fad 0%, transparent 100%);
  border-radius: 1px;
  margin-bottom: 34px;
}
/* mobile — show mini logo on right panel */
.login-mobile-logo {
  display: none;
  background: transparent;
  overflow: hidden;
  height: 60px;
  width: 200px;
  align-items: flex-start;
  justify-content: center;
  margin-bottom: 24px;
}
.login-mobile-logo img {
  height: 170px;
  width: auto;
  margin-top: -55px;
  display: block;
  flex-shrink: 0;
  filter: grayscale(1) invert(1) brightness(2);
  mix-blend-mode: screen;
}
@media (max-width: 800px) {
  .login-mobile-logo { display: flex; }
}
.login-feature-list { display: flex; flex-direction: column; gap: 14px; }
.login-feature {
  display: flex; align-items: center; gap: 14px;
}
.login-feature-dot {
  width: 36px; height: 36px; flex-shrink: 0;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
}
.login-feature-text strong {
  display: block; font-size: 13px; color: rgba(255,255,255,0.85); font-weight: 600;
}
.login-feature-text span {
  font-size: 11px; color: rgba(255,255,255,0.4);
}
.login-version-badge {
  margin-top: 48px;
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 11px; color: rgba(255,255,255,0.35);
}
.login-version-badge span { width: 6px; height: 6px; border-radius: 50%; background: #27ae60; display: inline-block; }

/* Right panel — form */
.login-panel-right {
  width: 420px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 56px 48px;
  background: rgba(255,255,255,0.025);
  border-left: 1px solid rgba(255,255,255,0.06);
}
.login-form-title {
  font-size: 26px; font-weight: 800;
  color: #fff; letter-spacing: -0.5px;
  margin-bottom: 28px;
  position: relative; padding-bottom: 16px;
}
.login-form-title::after {
  content: '';
  position: absolute; bottom: 0; left: 0;
  width: 36px; height: 2px;
  background: linear-gradient(90deg, #388bd2, transparent);
  border-radius: 1px;
}

/* Input group */
.login-input-group { margin-bottom: 16px; }
.login-input-label {
  font-size: 10px; font-weight: 700;
  color: rgba(255,255,255,0.4);
  letter-spacing: 2px;
  margin-bottom: 7px;
  display: block;
  text-transform: uppercase;
}

/* Icon + input wrapper */
.login-input-wrap {
  position: relative;
  display: flex; align-items: center;
}
.login-input-icon {
  position: absolute; left: 14px;
  color: rgba(56,139,210,0.55);
  font-size: 13px;
  pointer-events: none;
  z-index: 1;
}
.login-form input {
  width: 100%;
  padding: 13px 16px 13px 40px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(56,139,210,0.2);
  border-radius: 10px; color: #fff;
  font-size: 14px; font-family: inherit;
  outline: none; transition: all 0.2s;
  box-sizing: border-box;
  letter-spacing: 0.2px;
}
.login-form input::placeholder { color: rgba(255,255,255,0.2); }
.login-form input:focus {
  border-color: rgba(56,139,210,0.65);
  background: rgba(56,139,210,0.07);
  box-shadow: 0 0 0 3px rgba(56,139,210,0.12), inset 0 1px 0 rgba(255,255,255,0.04);
}
.login-form input:focus + .login-input-icon,
.login-input-wrap:focus-within .login-input-icon {
  color: rgba(56,139,210,0.9);
}

/* Error */
.login-error {
  display: flex; align-items: center; gap: 9px;
  color: #ff8a80; font-size: 12px; font-weight: 500;
  background: rgba(231,76,60,0.08);
  border: 1px solid rgba(231,76,60,0.2);
  border-radius: 8px; padding: 10px 14px;
  margin-bottom: 14px;
}

/* Submit button */
.login-btn {
  width: 100%; padding: 14px;
  background: linear-gradient(135deg, #1f7bc0 0%, #155fa0 100%);
  border: 1px solid rgba(56,139,210,0.4);
  border-radius: 10px;
  color: #fff; font-size: 13px; font-weight: 700;
  cursor: pointer; transition: all 0.2s;
  margin-top: 8px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  position: relative; overflow: hidden;
  box-shadow: 0 4px 20px rgba(26,111,173,0.25), inset 0 1px 0 rgba(255,255,255,0.1);
}
.login-btn::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.07) 0%, transparent 100%);
}
.login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(26,111,173,0.45), inset 0 1px 0 rgba(255,255,255,0.12);
  border-color: rgba(56,139,210,0.6);
}
.login-btn:active { transform: translateY(0); box-shadow: none; }

/* Disclaimer */
.login-disclaimer {
  padding: 11px 14px;
  background: rgba(56,139,210,0.06);
  border: 1px solid rgba(56,139,210,0.14);
  border-radius: 8px;
  color: rgba(255,255,255,0.28); font-size: 10px;
  line-height: 1.6; letter-spacing: 0.3px;
  display: flex; gap: 9px; align-items: center;
}
.login-disclaimer i { flex-shrink: 0; color: rgba(56,139,210,0.45); font-size: 13px; }

/* FTIRTECH attribution badge */
.login-ftirtech-badge {
  display: flex; align-items: center; gap: 10px;
  margin-top: 20px;
}
.lft-line {
  flex: 1; height: 1px;
  background: rgba(255,255,255,0.07);
}
.lft-text {
  font-size: 9px; font-weight: 500;
  color: rgba(255,255,255,0.22);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  white-space: nowrap;
}
.lft-text strong {
  color: rgba(56,139,210,0.5);
  font-weight: 800;
  letter-spacing: 2px;
}

@media (max-width: 800px) {
  .login-panel-left { display: none; }
  .login-panel-right { width: 100%; max-width: 400px; margin: auto; }
}

/* ---- Layout ---- */
#app { display: flex; height: 100vh; }

/* ---- Sidebar ---- */
#sidebar {
  width: var(--sidebar-width);
  background: var(--primary);
  display: flex; flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
  transition: width 0.3s ease;
  z-index: 100;
  box-shadow: 4px 0 24px rgba(0,0,0,0.3);
}
#sidebar.collapsed { width: 64px; }

.sidebar-header {
  padding: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex; align-items: center; gap: 10px;
  height: var(--navbar-height);
  flex-shrink: 0;
}
.sidebar-logo-icon {
  flex-shrink: 0;
  background: transparent;
  /* width: 100% on img fills this exactly → no horizontal clipping */
  width: 108px;
  height: 28px;
  overflow: hidden;
  display: block;
}
.sidebar-logo-icon img {
  /* width:100% → renders at 108px wide, height auto → ~76px
     text spans 32%-68% of canvas height = 24.3px – 51.7px
     container center 14px → margin-top = -(38-14) = -24px */
  width: 100%;
  height: auto;
  display: block;
  margin-top: -24px;
  filter: grayscale(1) invert(1) brightness(2);
  mix-blend-mode: screen;
}
.sidebar-logo-text { overflow: hidden; white-space: nowrap; }
.sidebar-logo-text h2 { color: rgba(255,255,255,0.55); font-size: 9px; font-weight: 700; line-height: 1.3; letter-spacing: 1.5px; }
.sidebar-logo-text p  { color: rgba(255,255,255,0.28); font-size: 9px; letter-spacing: 0.3px; margin-top: 1px; }

.sidebar-nav { flex: 1; overflow-y: auto; padding: 8px 0; }
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-track { background: transparent; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 2px; }

.nav-section { margin-bottom: 4px; }
.nav-section-title {
  padding: 10px 16px 4px;
  color: rgba(255,255,255,0.3);
  font-size: 10px; font-weight: 600; letter-spacing: 1.5px;
  text-transform: uppercase; white-space: nowrap; overflow: hidden;
}
#sidebar.collapsed .nav-section-title { opacity: 0; }

.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 9px 16px; cursor: pointer;
  color: rgba(255,255,255,0.65);
  font-size: 13.5px; white-space: nowrap;
  transition: all 0.15s; border-radius: 0;
  position: relative;
  text-decoration: none;
}
.nav-item:hover { background: rgba(255,255,255,0.07); color: #fff; }
.nav-item.active {
  background: rgba(26,111,173,0.25);
  color: #4db8ff;
  border-left: 3px solid #1a6fad;
}
.nav-item.active::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: #1a9ffa;
}
.nav-item i { width: 18px; text-align: center; font-size: 14px; flex-shrink: 0; }
.nav-item span { overflow: hidden; }
.nav-badge {
  margin-left: auto; flex-shrink: 0;
  padding: 2px 7px; border-radius: 10px;
  font-size: 10px; font-weight: 600;
}

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
}
.user-info { display: flex; align-items: center; gap: 10px; }
.user-avatar {
  width: 36px; height: 36px; flex-shrink: 0;
  background: linear-gradient(135deg, #1a6fad, #0d4a7a);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 13px; font-weight: 600;
}
.user-details { overflow: hidden; }
.user-details .name { color: #fff; font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-details .role { color: rgba(255,255,255,0.4); font-size: 11px; }

/* ---- Main Area ---- */
#main-area { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

/* ---- Navbar ---- */
#navbar {
  height: var(--navbar-height);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 20px; gap: 16px;
  flex-shrink: 0;
  box-shadow: 0 1px 8px rgba(0,0,0,0.05);
}
.nav-toggle-btn {
  width: 36px; height: 36px;
  background: none; border: 1px solid var(--border);
  border-radius: 8px; cursor: pointer; color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s; flex-shrink: 0;
}
.nav-toggle-btn:hover { background: var(--bg-main); }

.breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-muted); }
.breadcrumb .current { color: var(--text-primary); font-weight: 600; }
.search-bar {
  flex: 1; max-width: 480px; margin-left: auto;
  position: relative;
}
.search-bar input {
  width: 100%; padding: 9px 16px 9px 40px;
  border: 1px solid var(--border);
  border-radius: 8px; background: var(--bg-main);
  color: var(--text-primary); font-size: 14px; outline: none;
  transition: all 0.2s;
}
.search-bar input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(26,111,173,0.1); }
.search-bar i {
  position: absolute; left: 14px; top: 50%;
  transform: translateY(-50%); color: var(--text-muted); font-size: 13px;
}
.navbar-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  width: 36px; height: 36px;
  background: none; border: 1px solid var(--border);
  border-radius: 8px; cursor: pointer; color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s; position: relative; font-size: 14px;
}
.icon-btn:hover { background: var(--bg-main); color: var(--text-primary); }
.notif-dot {
  position: absolute; top: 6px; right: 6px;
  width: 7px; height: 7px; border-radius: 50%;
  background: #e74c3c; border: 1px solid var(--bg-card);
}

/* ---- Content Area ---- */
#content-area {
  flex: 1; overflow-y: auto; padding: 24px;
  background: var(--bg-main);
}
#content-area::-webkit-scrollbar { width: 6px; }
#content-area::-webkit-scrollbar-track { background: transparent; }
#content-area::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ---- Page Header ---- */
.page-header {
  display: flex; align-items: flex-start;
  justify-content: space-between; margin-bottom: 24px;
}
.page-title h1 { font-size: 22px; font-weight: 700; color: var(--text-primary); }
.page-title p { font-size: 13px; color: var(--text-muted); margin-top: 3px; }
.page-actions { display: flex; gap: 8px; }

/* ---- Buttons ---- */
.btn {
  padding: 9px 18px; border-radius: 8px;
  font-size: 13px; font-weight: 600; cursor: pointer;
  border: none; transition: all 0.2s; display: inline-flex;
  align-items: center; gap: 7px; text-decoration: none;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--text-primary); border: 1px solid var(--border); }
.btn-outline:hover { background: var(--bg-main); }
.btn-danger { background: #e74c3c; color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* ---- Stats Cards ---- */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 20px;
  display: flex; align-items: center; gap: 16px;
  transition: all 0.2s;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.08); }
.stat-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
}
.stat-info .value { font-size: 26px; font-weight: 700; color: var(--text-primary); line-height: 1; }
.stat-info .label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.stat-info .delta { font-size: 11px; color: #27ae60; margin-top: 2px; }

/* ---- Cards Grid ---- */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 16px; }
.substance-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden;
  transition: all 0.2s; cursor: pointer;
}
.substance-card:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(0,0,0,0.1); border-color: var(--accent); }
.card-header-strip { height: 5px; }
.card-body { padding: 18px; }
.card-top { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 10px; }
.card-id { font-size: 11px; font-weight: 600; color: var(--text-muted); font-family: monospace; }
.danger-badge {
  padding: 3px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.5px;
}
.card-name { font-size: 16px; font-weight: 700; color: var(--text-primary); margin-bottom: 3px; }
.card-sci-name { font-size: 11px; color: var(--text-muted); font-style: italic; margin-bottom: 10px; }
.card-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.meta-pill {
  padding: 3px 9px; border-radius: 6px;
  font-size: 11px; font-weight: 500;
  background: var(--bg-main); color: var(--text-secondary);
  border: 1px solid var(--border);
}
.card-description {
  font-size: 12.5px; color: var(--text-secondary);
  line-height: 1.6; display: -webkit-box;
  -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-footer {
  padding: 12px 18px;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bg-main);
}
.tag-list { display: flex; gap: 4px; flex-wrap: wrap; }
.tag {
  padding: 2px 8px; border-radius: 4px;
  font-size: 10px; font-weight: 600;
  background: rgba(26,111,173,0.1);
  color: var(--accent); border: 1px solid rgba(26,111,173,0.2);
}
.view-btn {
  font-size: 11px; color: var(--accent); font-weight: 600;
  background: none; border: none; cursor: pointer;
  display: flex; align-items: center; gap: 4px;
  flex-shrink: 0;
}
.view-btn:hover { text-decoration: underline; }

/* ---- Filter Bar ---- */
.filter-bar {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 14px 18px;
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 20px; flex-wrap: wrap;
}
.filter-btn {
  padding: 6px 14px; border-radius: 20px;
  font-size: 12px; font-weight: 600; cursor: pointer;
  border: 1px solid var(--border);
  background: transparent; color: var(--text-secondary);
  transition: all 0.2s;
}
.filter-btn:hover { background: var(--bg-main); }
.filter-btn.active {
  background: var(--accent); color: #fff; border-color: var(--accent);
}
.filter-separator { width: 1px; height: 24px; background: var(--border); }
.filter-select {
  padding: 6px 12px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--bg-main);
  color: var(--text-primary); font-size: 12px; outline: none; cursor: pointer;
}

/* ---- Detail Modal ---- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(4px);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 24px; overflow-y: auto;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal-box {
  background: var(--bg-card); border-radius: 16px;
  width: 100%; max-width: 860px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.3);
  transform: translateY(20px); transition: transform 0.25s;
  overflow: hidden;
}
.modal-overlay.open .modal-box { transform: translateY(0); }
.modal-header {
  padding: 24px 28px 20px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: flex-start; justify-content: space-between;
}
.modal-header-left { flex: 1; }
.modal-category-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 20px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.5px;
  margin-bottom: 10px; border: 1px solid;
}
.modal-title { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
.modal-subtitle { font-size: 13px; color: var(--text-muted); font-style: italic; }
.modal-close {
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--bg-main); border: 1px solid var(--border);
  cursor: pointer; color: var(--text-muted); font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s; flex-shrink: 0;
}
.modal-close:hover { background: #fde8e8; color: #e74c3c; }
.modal-body { padding: 24px 28px; }
.modal-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.modal-tab {
  padding: 10px 18px; cursor: pointer; border: none; background: none;
  font-size: 13px; font-weight: 600; color: var(--text-muted);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  transition: all 0.15s;
}
.modal-tab:hover { color: var(--text-primary); }
.modal-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ---- Info Grid ---- */
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 20px; }
.info-item { background: var(--bg-main); border-radius: 8px; padding: 12px; }
.info-item .i-label { font-size: 10px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 4px; }
.info-item .i-value { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.info-section { margin-bottom: 20px; }
.info-section h3 { font-size: 13px; font-weight: 700; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 10px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
.info-text { font-size: 13.5px; color: var(--text-secondary); line-height: 1.7; }
.pill-list { display: flex; flex-wrap: wrap; gap: 6px; }
.pill {
  padding: 4px 10px; border-radius: 6px;
  font-size: 12px; background: var(--bg-main);
  border: 1px solid var(--border); color: var(--text-secondary);
}

/* ---- Level Toggle ---- */
.level-toggle {
  display: flex; gap: 4px;
  background: var(--bg-main); border: 1px solid var(--border);
  border-radius: 8px; padding: 3px; margin-bottom: 16px;
  width: fit-content;
}
.level-btn {
  padding: 6px 16px; border-radius: 6px; cursor: pointer;
  border: none; background: transparent; font-size: 12px; font-weight: 600;
  color: var(--text-muted); transition: all 0.15s;
}
.level-btn.active { background: var(--bg-card); color: var(--accent); box-shadow: 0 1px 4px rgba(0,0,0,0.1); }
.level-content { font-size: 13.5px; color: var(--text-secondary); line-height: 1.75; }

/* ---- NFPA Diamond ---- */
.nfpa-diamond {
  display: grid; grid-template-columns: 60px 60px;
  gap: 3px; width: 123px;
}
.nfpa-cell {
  width: 60px; height: 60px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 800; color: #fff;
  border-radius: 4px;
}
.nfpa-cell.health { background: #1a6fad; }
.nfpa-cell.fire { background: #e74c3c; }
.nfpa-cell.reactivity { background: #f1c40f; color: #333; }
.nfpa-cell.special { background: #fff; color: #333; border: 2px solid #ddd; font-size: 13px; }
.nfpa-labels { display: grid; grid-template-columns: 60px 60px; gap: 3px; margin-top: 2px; }
.nfpa-labels span { font-size: 9px; text-align: center; color: var(--text-muted); font-weight: 600; }

/* ---- Dashboard Widgets ---- */
.dashboard-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; margin-top: 24px; }
.widget {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 20px;
}
.widget-title { font-size: 14px; font-weight: 700; color: var(--text-primary); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.activity-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 0; border-bottom: 1px solid var(--border);
}
.activity-item:last-child { border-bottom: none; }
.activity-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.activity-info { flex: 1; min-width: 0; }
.activity-info .a-name { font-size: 13px; font-weight: 600; color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.activity-info .a-meta { font-size: 11px; color: var(--text-muted); }
.activity-time { font-size: 11px; color: var(--text-muted); flex-shrink: 0; }

/* ---- Donut Chart ---- */
.donut-container { position: relative; width: 140px; height: 140px; margin: 0 auto 16px; }
.donut-center { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.donut-center .dc-num { font-size: 22px; font-weight: 800; color: var(--text-primary); }
.donut-center .dc-label { font-size: 10px; color: var(--text-muted); }
.legend-item { display: flex; align-items: center; gap: 8px; padding: 4px 0; }
.legend-dot { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }
.legend-label { font-size: 12px; color: var(--text-secondary); flex: 1; }
.legend-count { font-size: 12px; font-weight: 700; color: var(--text-primary); }

/* ---- Status Badges ---- */
.status-badge {
  padding: 3px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.3px;
}
.status-published { background: #d4edda; color: #155724; }
.status-draft { background: #fff3cd; color: #856404; }
.status-review { background: #d1ecf1; color: #0c5460; }
.status-archived { background: #f5f5f5; color: #666; }

/* ---- Empty State ---- */
.empty-state {
  text-align: center; padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state i { font-size: 48px; margin-bottom: 16px; opacity: 0.3; }
.empty-state p { font-size: 14px; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  #sidebar { position: fixed; left: -268px; height: 100%; transition: left 0.3s; }
  #sidebar.mobile-open { left: 0; }
  .cards-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .dashboard-grid { grid-template-columns: 1fr; }
}

/* ---- Dark Theme ---- */
[data-theme="dark"] .substance-card:hover { box-shadow: 0 12px 32px rgba(0,0,0,0.4); }
[data-theme="dark"] .status-published { background: #1a3a26; color: #5cb87e; }
[data-theme="dark"] .status-draft { background: #2d2510; color: #d4a017; }
[data-theme="dark"] .meta-pill { background: rgba(255,255,255,0.05); color: rgba(255,255,255,0.6); border-color: rgba(255,255,255,0.1); }
[data-theme="dark"] .filter-select { background: var(--primary-mid); color: var(--text-primary); }

/* ---- Animations ---- */
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeIn 0.3s ease forwards; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.5} }
.pulse { animation: pulse 2s infinite; }

/* ---- Utility ---- */
.text-chem { color: var(--chem-color); }
.text-bio { color: var(--bio-color); }
.text-rad { color: var(--rad-color); }
.text-haz { color: var(--haz-color); }
.bg-chem { background: var(--chem-color); }
.bg-bio { background: var(--bio-color); }
.bg-rad { background: var(--rad-color); }
.bg-nuc { background: var(--nuc-color); }
.bg-haz { background: var(--haz-color); }
.separator { height: 1px; background: var(--border); margin: 20px 0; }
.text-mono, .mono { font-family: 'Courier New', monospace; }
.italic { font-style: italic; }

/* ============================================================
   HIERARCHY VIEW — Section / Category / Subcategory / Cards
   ============================================================ */

/* ---- Section block (CHEM sections I–IV, BIO categories) ---- */
.section-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
}
.section-header {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 20px; cursor: pointer;
  user-select: none;
  transition: background 0.15s;
}
.section-header:hover { background: var(--bg-main); }
.section-roman {
  display: flex; align-items: center; justify-content: center;
  min-width: 80px; padding: 5px 12px;
  border-radius: 6px; color: #fff;
  font-size: 11px; font-weight: 800; letter-spacing: 1px;
  white-space: nowrap; flex-shrink: 0;
}
.section-info { flex: 1; min-width: 0; }
.section-title {
  font-size: 14px; font-weight: 700; color: var(--text-primary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.section-title-tr {
  font-size: 11px; color: var(--text-muted); margin-top: 1px;
}
.section-icon {
  font-size: 12px; flex-shrink: 0;
  transition: transform 0.2s ease;
}

/* ---- Category block ---- */
.cat-block {
  border-top: 1px solid var(--border);
}
.cat-header {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 20px; cursor: pointer;
  background: var(--bg-main);
  user-select: none;
  transition: background 0.15s;
}
.cat-header:hover { background: var(--border); }
.cat-num {
  font-size: 12px; font-weight: 800; color: var(--accent);
  font-family: monospace; min-width: 26px;
}
.cat-title {
  font-size: 13px; font-weight: 600; color: var(--text-primary); flex: 1;
}
.cat-title-tr {
  font-size: 11px; color: var(--text-muted);
}
.cat-count {
  font-size: 11px; color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px; padding: 2px 8px;
  white-space: nowrap;
}
.cat-icon {
  font-size: 11px; color: var(--text-muted); flex-shrink: 0;
  transition: transform 0.2s ease;
}

/* ---- Subcategory block ---- */
.subcat-block { margin-bottom: 16px; }
.subcat-header {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 0 8px 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}
.subcat-num {
  font-size: 11px; font-weight: 800; color: var(--accent);
  font-family: monospace; min-width: 28px;
}
.subcat-header > span:nth-child(2) {
  font-size: 12px; font-weight: 700; color: var(--text-primary);
}
.subcat-title-tr {
  font-size: 11px; color: var(--text-muted); flex: 1;
}
.subcat-count {
  font-size: 11px; color: var(--text-muted);
  background: var(--bg-main);
  border: 1px solid var(--border);
  border-radius: 20px; padding: 1px 7px;
}

/* ---- Agent grid ---- */
.agent-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 14px;
  padding: 4px 0 4px;
}

/* ---- Agent card ---- */
.agent-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.18s;
  display: flex; flex-direction: column;
}
.agent-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  border-color: var(--accent);
}
.card-accent-bar { height: 4px; flex-shrink: 0; }
.card-inner { padding: 14px 16px; display: flex; flex-direction: column; gap: 8px; }
.card-top-row { display: flex; align-items: center; justify-content: space-between; }
.card-id-badge {
  font-size: 10px; font-weight: 700; color: var(--text-muted);
  font-family: monospace; letter-spacing: 0.3px;
}
.card-name { font-size: 15px; font-weight: 700; color: var(--text-primary); line-height: 1.3; }
.card-sci { font-size: 11px; color: var(--text-muted); font-style: italic; }
.card-meta-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: 5px;
}
.meta-tag {
  padding: 2px 7px; border-radius: 4px;
  font-size: 10px; font-weight: 600;
  background: var(--bg-main);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.card-desc {
  font-size: 12px; color: var(--text-secondary); line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.card-footer-row {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 8px; border-top: 1px solid var(--border);
  margin-top: auto;
}
.tag-row { display: flex; gap: 4px; flex-wrap: wrap; }
.ctag {
  padding: 2px 7px; border-radius: 4px;
  font-size: 10px; font-weight: 600;
  background: rgba(26,111,173,0.08);
  color: var(--accent);
  border: 1px solid rgba(26,111,173,0.18);
}
.detail-link {
  font-size: 11px; font-weight: 700; color: var(--accent);
  white-space: nowrap; flex-shrink: 0;
}

/* ---- No agents note ---- */
.no-agents-note {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--text-muted);
  padding: 10px 4px; font-style: italic;
}

/* ---- Taxonomy breadcrumb (modal) ---- */
.tax-breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; color: var(--text-muted);
  margin-bottom: 8px; flex-wrap: wrap;
}
.tax-breadcrumb span { font-weight: 600; }
.tax-breadcrumb i { font-size: 9px; }

/* ---- Modal badges row ---- */
.modal-badges {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  padding: 12px 28px;
  background: var(--bg-main);
  border-bottom: 1px solid var(--border);
}
.danger-badge.lg {
  font-size: 12px; padding: 5px 14px;
  display: inline-flex; align-items: center; gap: 6px;
}

/* ---- Badge pills ---- */
.badge-pill {
  padding: 3px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.3px;
  border: 1px solid transparent;
}
.badge-pill.red    { background: #fde8e8; color: #922b21; border-color: #f1948a40; }
.badge-pill.green  { background: #d5f5e3; color: #1a5c32; border-color: #82e0aa40; }
.badge-pill.purple { background: #f4ecf7; color: #6c3483; border-color: #c39bd340; }
.badge-pill.orange { background: #fef5e7; color: #a04000; border-color: #f0b27a40; }
.badge-pill.gray   { background: var(--bg-main); color: var(--text-muted); border-color: var(--border); }

/* ---- Dark theme overrides for new components ---- */
[data-theme="dark"] .section-block { box-shadow: none; }
[data-theme="dark"] .agent-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.4); }
[data-theme="dark"] .cat-header:hover { background: rgba(255,255,255,0.05); }
[data-theme="dark"] .badge-pill.red    { background: rgba(146,43,33,0.2);  color: #f1948a; }
[data-theme="dark"] .badge-pill.green  { background: rgba(30,132,73,0.2);  color: #58d68d; }
[data-theme="dark"] .badge-pill.purple { background: rgba(108,52,131,0.2); color: #c39bd3; }
[data-theme="dark"] .badge-pill.orange { background: rgba(160,64,0,0.2);   color: #f0b27a; }
[data-theme="dark"] .ctag { background: rgba(45,143,212,0.12); border-color: rgba(45,143,212,0.25); }
[data-theme="dark"] .meta-tag { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.1); color: rgba(255,255,255,0.6); }

/* ---- Responsive for hierarchy ---- */
@media (max-width: 768px) {
  .agent-grid { grid-template-columns: 1fr; }
  .section-roman { min-width: 60px; font-size: 10px; }
  .cat-title-tr { display: none; }
  .modal-badges { padding: 10px 16px; }
}

/* ---- Form Styles (Add Record Modal) ---- */
.form-group {
  margin-bottom: 12px;
}
.form-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 5px;
  letter-spacing: 0.3px;
}
.form-input {
  width: 100%;
  padding: 8px 11px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--bg-main);
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
  transition: border-color 0.2s;
  outline: none;
}
.form-input:focus {
  border-color: var(--accent);
  background: var(--bg-card);
}
.form-input[style*="border-color: rgb(231"] {
  border-color: #e74c3c !important;
}
textarea.form-input {
  resize: vertical;
  min-height: 72px;
}
select.form-input {
  cursor: pointer;
}
[data-theme="dark"] .form-input {
  background: var(--primary-mid);
  border-color: var(--border);
  color: var(--text-primary);
}
[data-theme="dark"] .form-input:focus {
  background: var(--primary);
}