:root {
  --mantle-teal: #65B3AD;
  --mantle-teal-glow: rgba(101, 179, 173, 0.3);
  --mantle-bg: #000000;
  --mantle-card: #0A0A0A;
  --mantle-border: #1A1A1A;
  --danger-red: #FF4D4D;
  --safe-green: #00FF88;
  --text-primary: #FFFFFF;
  --text-secondary: #A3A3A3;
  --glass: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0; padding: 0;
  background-color: var(--mantle-bg);
  background-image: radial-gradient(circle at 50% 0%, rgba(0, 255, 213, 0.05) 0%, transparent 50%);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: flex-start;
  padding: 40px 20px;
}

header { text-align: center; margin-bottom: 30px; }
header h1 { font-size: 32px; font-weight: 800; background: linear-gradient(90deg, #fff, var(--mantle-teal)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 8px;}

.tabs {
  display: flex; gap: 10px; margin-bottom: 30px; background: var(--mantle-card); padding: 8px; border-radius: 12px; border: 1px solid var(--mantle-border);
}

.tab-btn {
  padding: 10px 20px; border-radius: 8px; border: none; background: transparent; color: var(--text-secondary); cursor: pointer; transition: all 0.3s; font-weight: 600;
}
.tab-btn.active { 
  background: var(--glass); 
  color: var(--mantle-teal); 
  border: 1px solid var(--mantle-teal);
  box-shadow: 0 0 15px var(--mantle-teal-glow);
}

.tab-btn:hover:not(.active) {
  color: var(--text-primary);
  background: rgba(255,255,255,0.02);
}

.content-area { width: 100%; max-width: 1000px; }
.module { display: none; gap: 40px; animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1); }
.module.active { display: flex; }

@keyframes slideUp { 
  from { opacity: 0; transform: translateY(20px); } 
  to { opacity: 1; transform: translateY(0); } 
}

.module-desc { flex: 1; }
.module-desc h2 { font-size: 24px; margin-top: 0; display:flex; align-items:center; gap:8px;}
.module-desc p { color: var(--text-secondary); line-height: 1.6; }

.ui-preview {
  flex: 1.2; 
  background: var(--mantle-card); 
  border: 1px solid var(--mantle-border); 
  border-radius: 24px; 
  min-height: 450px; 
  padding: 30px; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  position: relative;
  transition: transform 0.3s ease;
}

.ui-preview:hover {
  transform: translateY(-5px);
  border-color: var(--glass-border);
}

/* INTERACTIVE AEGIS */
.aegis-card { width: 100%; max-width: 320px; background: #0a0a0a; border: 1px solid var(--danger-red); border-radius: 16px; padding: 20px; text-align: center; box-shadow: 0 0 30px rgba(255,77,77,0.1); position:relative; overflow:hidden;}
.scanline { position: absolute; top:0; left:0; width:100%; height:2px; background:var(--danger-red); opacity:0.3; animation: scan 3s infinite linear; }
@keyframes scan { 0%{top:0} 100%{top:100%} }

.risk-circle { width: 100px; height: 100px; border-radius: 50%; border: 4px solid var(--danger-red); margin: 0 auto 20px; display:flex; flex-direction:column; justify-content:center; align-items:center; color: var(--danger-red); box-shadow: 0 0 20px rgba(255,77,77,0.2); animation: pulseRed 2s infinite; }
.risk-circle .score { font-size: 32px; font-weight: 900; }
@keyframes pulseRed { 0%{box-shadow: 0 0 0px rgba(255,77,77,0.4);} 50%{box-shadow: 0 0 20px rgba(255,77,77,0.8);} 100%{box-shadow: 0 0 0px rgba(255,77,77,0.4);} }

.log-item { background: rgba(255,77,77,0.1); border-left: 3px solid var(--danger-red); border-radius: 4px; padding: 10px; font-size: 13px; text-align: left; margin-bottom: 10px; color:#ccc;}
.btn-block { width: 100%; background: var(--danger-red); color: white; border: none; padding: 12px; border-radius: 8px; font-weight: bold; cursor: pointer; transition: 0.2s; margin-top: 10px; }
.btn-block:hover { background: #ff1a1a; transform: translateY(-2px); }

/* INTERACTIVE PULSE */
.pulse-board { width: 100%; max-width: 380px; background: #0a0a0a; border: 1px solid var(--mantle-border); border-radius: 16px; padding: 20px; }
.search-bar { width: 100%; padding: 10px; background: var(--mantle-card); border: 1px solid var(--glass-border); color: white; border-radius: 8px; margin-bottom: 20px; outline: none; }
.search-bar:focus { border-color: var(--mantle-teal); }
.user-row { display: flex; justify-content: space-between; align-items: center; padding: 12px; background: var(--glass); border-radius: 8px; border: 1px solid transparent; margin-bottom: 10px; cursor: pointer; transition: 0.2s; }
.user-row:hover { border-color: var(--mantle-teal); background: rgba(0,255,213,0.05); }

/* INTERACTIVE GUARD */
.guard-app { width: 100%; max-width: 340px; height: 380px; background: #0a0a0a; border: 1px solid var(--mantle-border); border-radius: 16px; display: flex; flex-direction: column; overflow:hidden;}
.chat-window { flex: 1; padding: 16px; overflow-y: auto; display:flex; flex-direction:column; gap:12px; }
.msg { padding: 10px 14px; border-radius: 12px; font-size: 13px; max-width: 85%; line-height:1.4;}
.msg.ai { background: rgba(0,255,213,0.1); border: 1px solid rgba(0,255,213,0.2); align-self: flex-start; border-bottom-left-radius: 2px; }
.msg.user { background: var(--mantle-card); border: 1px solid var(--mantle-border); align-self: flex-end; border-bottom-right-radius: 2px; }
.input-area { display: flex; padding: 12px; border-top: 1px solid var(--mantle-border); background: var(--mantle-card); }
.input-area input { flex: 1; background: transparent; border: none; color: white; outline: none; font-size: 13px; padding:0 10px; }
.input-area button { background: var(--mantle-teal); color: #000; border: none; padding: 8px 16px; border-radius: 6px; font-weight: bold; cursor: pointer; }
.input-area button:hover { opacity: 0.8; }
.typing { color: var(--mantle-teal); font-style: italic; font-size: 12px; display:none; }