/* ==========================================
   CSS VARIABLES & THEMES
========================================== */
:root {
  --bg: #06090f;
  --bg2: #0d1117;
  --bg3: #111827;
  --cyan: #00e676;
  --cyan2: #00c853;
  --red: #ff2d55;
  --amber: #ffb300;
  --green: #00e676;
  --purple: #69f0ae;
  --text: #e2e8f0;
  --text2: #94a3b8;
  --text3: #475569;
  --glass: rgba(255, 255, 255, 0.04);
  --glassborder: rgba(255, 255, 255, 0.08);
  --shadow: 0 20px 60px rgba(0, 230, 118, 0.08);
  /* Derived tokens */
  --nav-bg: rgba(6, 9, 15, 0.88);
  --overlay-bg: rgba(0, 0, 0, 0.80);
  --card-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  --chat-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --toast-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  --canvas-opacity: 0.55;
  --canvas-filter: none;
  --input-bg: rgba(255, 255, 255, 0.04);
  --modal-bg: #0d1117;
  --hero-text: #e2e8f0;
  --footer-bg: #0d1117;
  --scrollbar-track: #0d1117;
  --fab-shadow: rgba(0, 230, 118, 0.40);
  --sos-num-color: var(--text);
  --step-num-color: #000;
  --btn-primary-color: #000;
  --chip-bg: rgba(255, 255, 255, 0.04);
}

/* Light Theme Override */
.light {
  --bg: #f0f4f8;
  --bg2: #ffffff;
  --bg3: #f8fafc;
  --cyan: #00a854;        /* darker green — readable on white */
  --cyan2: #007a3d;
  --green: #00a854;
  --purple: #2e7d32;
  --red: #e0002b;
  --amber: #b45309;
  --text: #0f172a;
  --text2: #334155;
  --text3: #64748b;
  --glass: rgba(0, 0, 0, 0.04);
  --glassborder: rgba(0, 0, 0, 0.10);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
  /* Derived tokens — light overrides */
  --nav-bg: rgba(255, 255, 255, 0.92);
  --overlay-bg: rgba(15, 23, 42, 0.60);
  --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --chat-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  --toast-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
  --canvas-opacity: 0.30;
  --canvas-filter: none;
  --input-bg: rgba(0, 0, 0, 0.04);
  --modal-bg: #ffffff;
  --hero-text: #0f172a;
  --footer-bg: #f1f5f9;
  --scrollbar-track: #e2e8f0;
  --fab-shadow: rgba(0, 168, 84, 0.35);
  --sos-num-color: #0f172a;
  --step-num-color: #ffffff;
  --btn-primary-color: #ffffff;
  --chip-bg: rgba(0, 0, 0, 0.05);
}

/* ==========================================
   BASE STYLES & RESET
========================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transition: background .3s, color .3s;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Outfit', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--scrollbar-track); }
::-webkit-scrollbar-thumb { background: var(--cyan2); border-radius: 2px; }

/* Canvas BG */
#canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: var(--canvas-opacity);
  filter: var(--canvas-filter);
  transition: opacity .4s, filter .4s;
}

/* ==========================================
   NAVIGATION
========================================== */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 200;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glassborder);
  padding: .9rem 4%;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--cyan);
  flex-shrink: 0;
}

.logo-pulse {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: logoPulse 2.5s ease-in-out infinite;
}

.nav-links { display: flex; gap: .3rem; }

.nav-link {
  background: transparent;
  border: none;
  color: var(--text2);
  cursor: pointer;
  padding: .5rem .9rem;
  border-radius: 8px;
  font-family: 'Outfit', sans-serif;
  font-size: .85rem;
  font-weight: 500;
  transition: all .2s;
}

.nav-link:hover {
  background: var(--glass);
  color: var(--cyan);
}

.search-wrap { position: relative; flex: 1; max-width: 480px; }

.nav-search {
  flex: 1;
  max-width: 480px;
  display: flex;
  align-items: center;
  background: var(--input-bg);
  border: 1px solid var(--glassborder);
  border-radius: 50px;
  padding: .45rem 1rem;
  gap: .6rem;
}

.nav-search input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  flex: 1;
  font-family: 'Outfit', sans-serif;
  font-size: .9rem;
}

.nav-search input::placeholder { color: var(--text3); }

.nav-actions { margin-left: auto; display: flex; gap: .5rem; align-items: center; }

.ib {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--glassborder);
  background: var(--glass);
  color: var(--text);
  cursor: pointer;
  font-size: .95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
}

.ib:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.sos-btn {
  background: linear-gradient(135deg, #ff2d55, #c41e3a);
  border: none;
  color: #fff;
  padding: .5rem 1.2rem;
  border-radius: 10px;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: .85rem;
  cursor: pointer;
  letter-spacing: .05em;
  animation: sosPulse 3s infinite;
}

/* ==========================================
   HERO SECTION
========================================== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 7rem 4% 4rem;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(0, 230, 118, .08);
  border: 1px solid rgba(0, 230, 118, .2);
  border-radius: 50px;
  padding: .4rem 1rem;
  font-size: .8rem;
  color: var(--cyan);
  margin-bottom: 2rem;
  animation: fadeIn .8s ease;
}

.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  line-height: 1.05;
  max-width: 900px;
  animation: slideUp .8s ease .1s both;
}

.hero h1 .glow {
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 30px rgba(0, 230, 118, .3));
}

.hero-sub {
  color: var(--text2);
  max-width: 600px;
  margin: 1.5rem auto;
  font-size: 1.1rem;
  line-height: 1.6;
  animation: slideUp .8s ease .2s both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
  justify-content: center;
  animation: slideUp .8s ease .3s both;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--cyan2));
  color: var(--btn-primary-color);
  border: none;
  padding: .85rem 2.2rem;
  border-radius: 12px;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: .95rem;
  cursor: pointer;
  transition: all .2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 230, 118, .3);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--glassborder);
  color: var(--text);
  padding: .85rem 2.2rem;
  border-radius: 12px;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  transition: all .2s;
}

.btn-outline:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.stats-row {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
  animation: fadeIn .8s ease .5s both;
  flex-wrap: wrap;
  justify-content: center;
}

.stat { text-align: center; }

.stat-num {
  font-family: 'Playfair Display', serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--cyan);
}

.stat-label {
  font-size: .8rem;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: .1em;
}

/* ==========================================
   SEARCH DROPDOWN
========================================== */
.search-dropdown {
  position: absolute;
  top: calc(100% + .5rem);
  left: 0;
  right: 0;
  background: var(--bg2);
  border: 1px solid var(--glassborder);
  border-radius: 12px;
  overflow: hidden;
  z-index: 300;
  max-height: 320px;
  overflow-y: auto;
}

.sd-item {
  padding: .75rem 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: .8rem;
  font-size: .9rem;
  transition: background .15s;
}

.sd-item:hover { background: var(--glass); }

.sd-cat {
  font-size: .7rem;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: .05em;
  padding: .4rem 1rem;
  border-top: 1px solid var(--glassborder);
  background: rgba(0, 230, 118, .02);
}

/* ==========================================
   CATEGORIES & TREATMENTS
========================================== */
.section { padding: 5rem 4%; position: relative; z-index: 1; }

.sec-header { text-align: center; margin-bottom: 3rem; }
.sec-header h2 { font-family: 'Playfair Display', serif; font-size: 2.4rem; margin-bottom: .75rem; }
.sec-header p { color: var(--text2); font-size: 1rem; }

.filter-row {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.filter-btn {
  background: var(--glass);
  border: 1px solid var(--glassborder);
  color: var(--text2);
  padding: .4rem 1rem;
  border-radius: 50px;
  font-size: .8rem;
  cursor: pointer;
  font-family: 'Outfit', sans-serif;
  transition: all .2s;
}

.filter-btn.active, .filter-btn:hover {
  background: rgba(0, 230, 118, .1);
  border-color: var(--cyan);
  color: var(--cyan);
}

.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.2rem;
}

.cat-card {
  background: rgba(10, 16, 26, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 20px;
  padding: 1.5rem;
  cursor: pointer;
  transition: all .3s cubic-bezier(.22,.68,0,1.2);
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.40);
}

.cat-card::before,
.cat-card::after { display: none; }

.cat-card:hover {
  transform: translateY(-6px) scale(1.015);
  background: rgba(10, 16, 26, 0.55);
  border-color: rgba(0, 230, 118, 0.22);
  box-shadow:
    0 20px 60px rgba(0,0,0,0.50),
    0 0 35px rgba(0,230,118,0.07);
}

.cat-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.cat-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: .3rem; }
.cat-card p { font-size: .78rem; color: var(--text3); }

.badge {
  display: inline-block;
  background: rgba(0, 230, 118, .1);
  color: var(--cyan);
  border-radius: 50px;
  padding: .15rem .55rem;
  font-size: .7rem;
  margin-top: .5rem;
}

/* Treatment Grid */
.treatment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.2rem;
}

.t-card {
  background: rgba(10, 16, 26, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 20px;
  padding: 1.4rem;
  cursor: pointer;
  transition: all .3s cubic-bezier(.22,.68,0,1.2);
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.40);
}

.t-card::before,
.t-card::after { display: none; }

.t-card:hover {
  transform: translateY(-5px) scale(1.012);
  background: rgba(10, 16, 26, 0.55);
  border-color: rgba(0, 230, 118, 0.22);
  box-shadow:
    0 18px 55px rgba(0,0,0,0.50),
    0 0 30px rgba(0,230,118,0.07);
}

.t-card-top { display: flex; align-items: center; gap: .8rem; margin-bottom: .8rem; }

.t-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.t-card h4 { font-size: .95rem; font-weight: 600; }
.t-card .t-cat { font-size: .75rem; color: var(--text3); }
.t-card .t-warn { font-size: .78rem; color: var(--amber); margin-top: .4rem; display: flex; align-items: center; gap: .4rem; }

/* Severity Badges */
.sev-badge {
  font-size: .65rem;
  padding: .15rem .5rem;
  border-radius: 4px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.sev-critical { background: rgba(255, 45, 85, .15); color: var(--red); }
.sev-high { background: rgba(255, 179, 0, .15); color: var(--amber); }
.sev-medium { background: rgba(0, 230, 118, .15); color: var(--green); }
.sev-low { background: rgba(105, 240, 174, .15); color: var(--purple); }

/* ==========================================
   FLASHCARDS
========================================== */
.fc-row {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding: 1rem 0 2rem;
  scrollbar-width: none;
}

.fc-row::-webkit-scrollbar { display: none; }

.flashcard {
  flex-shrink: 0;
  width: 300px;
  height: 200px;
  perspective: 1000px;
  cursor: pointer;
}

.fc-inner {
  width: 100%;
  height: 100%;
  transition: transform .6s;
  transform-style: preserve-3d;
  position: relative;
}

.flashcard.flipped .fc-inner { transform: rotateY(180deg); }

.fc-front, .fc-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  text-align: center;
  border-radius: 16px;
  border: 1px solid var(--glassborder);
}

.fc-front { background: var(--glass); flex-direction: column; gap: .8rem; }
.fc-back {
  background: linear-gradient(135deg, rgba(0, 230, 118, .15), rgba(105, 240, 174, .15));
  transform: rotateY(180deg);
  border-color: rgba(0, 230, 118, .3);
}

.fc-q { font-size: .9rem; font-weight: 600; line-height: 1.4; }
.fc-hint { font-size: .72rem; color: var(--text3); display: flex; align-items: center; gap: .3rem; }
.fc-a { font-size: .95rem; font-weight: 600; color: var(--cyan); line-height: 1.4; }

/* ==========================================
   MODALS
========================================== */
.overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  z-index: 500;
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  padding: 1rem;
}

.overlay.open { display: flex; }

.modal {
  background: var(--modal-bg);
  border: 1px solid var(--glassborder);
  border-radius: 24px;
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2.5rem;
  position: relative;
  animation: modalIn .3s ease;
}

.modal-close {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--glass);
  border: 1px solid var(--glassborder);
  color: var(--text2);
  cursor: pointer;
  font-size: .9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
}

.modal-close:hover { color: var(--red); border-color: var(--red); }

.modal-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
.modal-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.modal-title { font-family: 'Playfair Display', serif; font-size: 1.8rem; }
.modal-sub { font-size: .85rem; color: var(--text2); }

.warn-box {
  background: rgba(255, 179, 0, .08);
  border: 1px solid rgba(255, 179, 0, .25);
  border-left: 4px solid var(--amber);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  margin-bottom: 1.5rem;
  font-size: .9rem;
  color: var(--amber);
  font-weight: 500;
}
.warn-box.critical {
  background: rgba(255, 45, 85, .08);
  border-color: rgba(255, 45, 85, .25);
  border-left-color: var(--red);
  color: var(--red);
}

.steps-section h3 { font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; color: var(--text3); margin-bottom: 1rem; }

.step-item { display: flex; gap: 1rem; margin-bottom: .8rem; align-items: flex-start; }
.step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--cyan2));
  color: var(--step-num-color);
  font-weight: 700;
  font-size: .8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: .1rem;
}
.step-text { font-size: .92rem; line-height: 1.55; padding-top: .15rem; }

.donot-box {
  background: rgba(255, 45, 85, .06);
  border: 1px solid rgba(255, 45, 85, .15);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  margin-top: 1.5rem;
}
.donot-box h3 { color: var(--red); font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; margin-bottom: .8rem; }
.donot-item { display: flex; gap: .6rem; align-items: flex-start; margin-bottom: .5rem; font-size: .88rem; color: var(--text2); }

.seek-box {
  background: rgba(0, 230, 118, .06);
  border: 1px solid rgba(0, 230, 118, .15);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  margin-top: 1rem;
}
.seek-box h3 { color: var(--green); font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; margin-bottom: .6rem; }
.seek-box p { font-size: .88rem; color: var(--text2); line-height: 1.5; }

.modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--glassborder);
}

.tag {
  background: var(--glass);
  border: 1px solid var(--glassborder);
  border-radius: 50px;
  padding: .2rem .65rem;
  font-size: .73rem;
  color: var(--text3);
}

/* ==========================================
   SOS MODAL
========================================== */
.sos-modal { max-width: 500px; }
.sos-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; margin: 1.5rem 0; }
.sos-num {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: .3rem;
  background: linear-gradient(135deg, rgba(255, 45, 85, .15), rgba(255, 45, 85, .05));
  border: 1px solid rgba(255, 45, 85, .3);
  border-radius: 14px;
  padding: 1.2rem;
  text-decoration: none;
  transition: all .2s;
  color: var(--text);
}
.sos-num:hover { background: rgba(255, 45, 85, .2); transform: translateY(-2px); }
.sos-num strong { font-size: 1.8rem; font-family: 'Playfair Display', serif; color: var(--red); }
.sos-num span { font-size: .75rem; color: var(--text3); }
.sos-tip {
  background: rgba(255, 45, 85, .06);
  border-radius: 10px;
  padding: 1rem;
  font-size: .88rem;
  line-height: 1.5;
  color: var(--text2);
  margin-top: .5rem;
}

/* ==========================================
   CHATBOT
========================================== */
.chat-fab {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  border: none;
  color: var(--btn-primary-color);
  font-size: 1.4rem;
  cursor: pointer;
  z-index: 400;
  box-shadow: 0 4px 20px var(--fab-shadow);
  transition: all .2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-fab:hover { transform: scale(1.08); }

.chat-fab .chat-notif {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 14px;
  height: 14px;
  background: var(--red);
  border-radius: 50%;
  border: 2px solid var(--bg);
}

.chatbox {
  position: fixed;
  bottom: 5.5rem;
  right: 2rem;
  width: 380px;
  height: 560px;
  background: var(--modal-bg);
  border: 1px solid var(--glassborder);
  border-radius: 20px;
  z-index: 400;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--chat-shadow);
  transition: all .3s;
  transform-origin: bottom right;
}

.chatbox.hidden { opacity: 0; transform: scale(.8); pointer-events: none; }

.chat-head {
  background: linear-gradient(135deg, rgba(0, 230, 118, .12), rgba(105, 240, 174, .08));
  padding: 1rem 1.2rem;
  display: flex;
  align-items: center;
  gap: .8rem;
  border-bottom: 1px solid var(--glassborder);
}

.chat-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--step-num-color);
  flex-shrink: 0;
}

.chat-head-info h4 { font-size: .95rem; font-weight: 600; }
.chat-status { font-size: .72rem; color: var(--green); display: flex; align-items: center; gap: .3rem; }
.chat-status::before { content: ''; width: 6px; height: 6px; background: var(--green); border-radius: 50%; }

.chat-close {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--text2);
  cursor: pointer;
  font-size: .9rem;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
}

.chat-close:hover { background: var(--glass); color: var(--text); }

.chat-body {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: .8rem;
  scrollbar-width: thin;
}

.msg {
  max-width: 82%;
  padding: .7rem .95rem;
  border-radius: 14px;
  font-size: .87rem;
  line-height: 1.5;
  animation: msgIn .2s ease;
}

.msg.bot {
  background: var(--glass);
  border: 1px solid var(--glassborder);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
  color: var(--text);
}

.msg.user {
  background: linear-gradient(135deg, var(--cyan), var(--cyan2));
  color: var(--btn-primary-color);
  font-weight: 500;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.msg.typing span {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--text2);
  border-radius: 50%;
  margin: 0 2px;
  animation: bounce .8s infinite;
}

.msg.typing span:nth-child(2) { animation-delay: .15s; }
.msg.typing span:nth-child(3) { animation-delay: .3s; }

.quick-chips {
  padding: .6rem 1rem;
  display: flex;
  gap: .4rem;
  overflow-x: auto;
  scrollbar-width: none;
  border-top: 1px solid var(--glassborder);
}

.quick-chips::-webkit-scrollbar { display: none; }

.chip {
  background: var(--chip-bg);
  border: 1px solid var(--glassborder);
  color: var(--text2);
  padding: .3rem .75rem;
  border-radius: 50px;
  font-size: .75rem;
  cursor: pointer;
  white-space: nowrap;
  font-family: 'Outfit', sans-serif;
  transition: all .2s;
}

.chip:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(0, 230, 118, .05);
}

.chat-input-row {
  padding: .8rem;
  border-top: 1px solid var(--glassborder);
  display: flex;
  gap: .6rem;
  align-items: center;
}

.chat-input-row input {
  flex: 1;
  background: var(--input-bg);
  border: 1px solid var(--glassborder);
  color: var(--text);
  padding: .6rem .9rem;
  border-radius: 10px;
  font-family: 'Outfit', sans-serif;
  font-size: .85rem;
  outline: none;
  transition: border-color .2s;
}

.chat-input-row input:focus { border-color: var(--cyan); }

.send-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--cyan), var(--cyan2));
  border: none;
  color: var(--btn-primary-color);
  cursor: pointer;
  font-size: .9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
  flex-shrink: 0;
}

.send-btn:hover { transform: scale(1.05); }

/* ==========================================
   TOAST NOTIFICATIONS
========================================== */
.toast-wrap {
  position: fixed;
  top: 5rem;
  right: 1.5rem;
  z-index: 600;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}

.toast {
  background: var(--modal-bg);
  border: 1px solid var(--glassborder);
  border-radius: 12px;
  padding: .9rem 1.2rem;
  font-size: .85rem;
  display: flex;
  align-items: center;
  gap: .7rem;
  animation: toastIn .3s ease;
  max-width: 320px;
  box-shadow: var(--toast-shadow);
  color: var(--text);
}

.toast.success { border-left: 3px solid var(--green); }
.toast.error { border-left: 3px solid var(--red); }
.toast.info { border-left: 3px solid var(--cyan); }

/* ==========================================
   FOOTER
========================================== */
footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--glassborder);
  padding: 2.5rem 4%;
  text-align: center;
  position: relative;
  z-index: 1;
}

footer p { color: var(--text3); font-size: .83rem; }

footer .disclaimer {
  background: rgba(255, 179, 0, .06);
  border: 1px solid rgba(255, 179, 0, .15);
  border-radius: 10px;
  padding: .8rem 1.2rem;
  margin-bottom: 1.2rem;
  font-size: .8rem;
  color: var(--amber);
  line-height: 1.5;
}

/* ==========================================
   LIGHT MODE — SPECIFIC OVERRIDES
   (for elements with hardcoded dark rgba)
========================================== */

/* Search dropdown */
.light .search-dropdown {
  background: var(--modal-bg);
  box-shadow: 0 8px 30px rgba(0,0,0,.12);
}
.light .sd-item:hover { background: rgba(0,0,0,.04); }
.light .sd-cat { background: rgba(0,168,84,.04); }

/* Category cards — normal blur */
.light .cat-card {
  background: rgba(220, 235, 225, 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-color: rgba(0,0,0,0.07);
  box-shadow: 0 6px 28px rgba(0,0,0,0.10);
}
.light .cat-card:hover {
  background: rgba(210, 232, 218, 0.48);
  border-color: rgba(0,168,84,0.22);
  box-shadow:
    0 18px 52px rgba(0,0,0,0.13),
    0 0 28px rgba(0,168,84,0.07);
}

/* Treatment cards — normal blur */
.light .t-card {
  background: rgba(220, 235, 225, 0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-color: rgba(0,0,0,0.07);
  box-shadow: 0 6px 28px rgba(0,0,0,0.10);
}
.light .t-card:hover {
  background: rgba(210, 232, 218, 0.48);
  border-color: rgba(0,168,84,0.22);
  box-shadow:
    0 16px 48px rgba(0,0,0,0.13),
    0 0 24px rgba(0,168,84,0.07);
}

/* Badges */
.light .badge {
  background: rgba(0,168,84,.10);
  color: var(--cyan);
}

/* Severity badges */
.light .sev-critical { background: rgba(224,0,43,.10); color: #c0002a; }
.light .sev-high     { background: rgba(180,83,9,.10);  color: #92400e; }
.light .sev-medium   { background: rgba(0,168,84,.10);  color: #065f46; }
.light .sev-low      { background: rgba(46,125,50,.10); color: #1b5e20; }

/* Flashcards */
.light .fc-front {
  background: #ffffff;
  border-color: rgba(0,0,0,.08);
}
.light .fc-back {
  background: linear-gradient(135deg, rgba(0,168,84,.10), rgba(46,125,50,.08));
  border-color: rgba(0,168,84,.25);
}

/* Warning / donot / seek boxes */
.light .warn-box {
  background: rgba(180,83,9,.06);
  border-color: rgba(180,83,9,.20);
}
.light .warn-box.critical {
  background: rgba(224,0,43,.06);
  border-color: rgba(224,0,43,.20);
}
.light .donot-box {
  background: rgba(224,0,43,.04);
  border-color: rgba(224,0,43,.12);
}
.light .seek-box {
  background: rgba(0,168,84,.05);
  border-color: rgba(0,168,84,.15);
}

/* SOS modal */
.light .sos-num {
  background: linear-gradient(135deg, rgba(224,0,43,.08), rgba(224,0,43,.03));
  border-color: rgba(224,0,43,.20);
  color: var(--sos-num-color);
}
.light .sos-num:hover { background: rgba(224,0,43,.13); }
.light .sos-tip {
  background: rgba(224,0,43,.04);
  color: var(--text2);
}

/* Footer disclaimer */
.light footer .disclaimer {
  background: rgba(180,83,9,.06);
  border-color: rgba(180,83,9,.18);
  color: var(--amber);
}

/* Filter buttons */
.light .filter-btn.active,
.light .filter-btn:hover {
  background: rgba(0,168,84,.08);
  border-color: var(--cyan);
  color: var(--cyan);
}

/* Modal close hover */
.light .modal-close:hover {
  color: var(--red);
  border-color: var(--red);
}

/* Chat status dot */
.light .chat-status { color: var(--green); }
.light .chat-status::before { background: var(--green); }

/* Bot message in light */
.light .msg.bot {
  background: #f1f5f9;
  border-color: rgba(0,0,0,.08);
  color: var(--text);
}

/* Typing dots */
.light .msg.typing span { background: var(--text3); }

/* Hero section in light */
.light .hero { background: linear-gradient(180deg, rgba(0,168,84,.03) 0%, transparent 60%); }
.light .hero-badge {
  background: rgba(0,168,84,.07);
  border-color: rgba(0,168,84,.18);
}
.light .hero h1 .glow {
  filter: drop-shadow(0 0 20px rgba(0,168,84,.25));
}

/* Ripple in light mode */
.light button .ripple { background: rgba(0,0,0,.08); }

/* ==========================================
   ANIMATIONS & MEDIA QUERIES
========================================== */
@keyframes logoPulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(0, 230, 118, .4); } 50% { box-shadow: 0 0 0 10px rgba(0, 230, 118, 0); } }
@keyframes sosPulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(255, 45, 85, .5); } 50% { box-shadow: 0 0 16px rgba(255, 45, 85, .4); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: none; } }
@keyframes modalIn { from { opacity: 0; transform: scale(.95) translateY(20px); } to { opacity: 1; transform: none; } }
@keyframes msgIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes toastIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: none; } }
@keyframes toastOut { to { opacity: 0; transform: translateX(20px); } }

@media(max-width: 768px) {
  nav { gap: .5rem; }
  .nav-links { display: none; }
  .logo span { display: none; }
  .hero h1 { font-size: 2.4rem; }
  .stats-row { gap: 1.5rem; }
  .chatbox { width: calc(100vw - 2rem); right: 1rem; bottom: 5rem; }
  .modal { padding: 1.5rem; }
}