:root{--font-sans:'Inter',-apple-system,sans-serif;--font-mono:'JetBrains Mono',monospace;--radius:12px;--transition:0.25s ease}
[data-theme="dark"]{--bg:#1A0F0A;--bg2:#241610;--bg-card:rgba(36,22,16,0.9);--bg-input:rgba(60,35,20,0.5);--border:rgba(225,112,85,0.1);--text:#FDE8D0;--text2:#C09070;--text3:#8B6050;--primary:#E17055;--secondary:#FAB1A0;--accent:#00CEC9;--gradient:linear-gradient(135deg,#E17055,#FAB1A0)}
[data-theme="light"]{--bg:#FFF5F0;--bg2:#FFFFFF;--bg-card:rgba(255,255,255,0.95);--bg-input:rgba(255,230,220,0.5);--border:rgba(0,0,0,0.08);--text:#3E2723;--text2:#5D4037;--text3:#A1887F;--primary:#D84315;--secondary:#FF8A65;--accent:#00897B;--gradient:linear-gradient(135deg,#D84315,#FF8A65)}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans);background:var(--bg);color:var(--text);min-height:100vh}
.app{max-width:800px;margin:0 auto;display:flex;flex-direction:column;min-height:100vh}
.header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--border)}
.logo{display:flex;align-items:center;gap:10px}.logo h1{font-size:1.05rem;font-weight:700;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.btn{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-sans);font-size:.82rem;font-weight:500;padding:8px 16px;border-radius:8px;border:none;cursor:pointer;transition:all var(--transition)}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 2px 8px rgba(225,112,85,.2)}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(225,112,85,.35)}
.btn-ghost{background:transparent;color:var(--text2)}.btn-ghost:hover{color:var(--text);background:var(--bg-input)}
.main{flex:1;padding:24px;display:flex;flex-direction:column;gap:24px}
.hero{text-align:center;padding:40px 0}.hero h2{font-size:1.6rem;font-weight:700;margin-bottom:8px}.hero p{font-size:.9rem;color:var(--text2);margin-bottom:20px;max-width:400px;margin-left:auto;margin-right:auto}
.results-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.leak-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;animation:fadeIn .3s ease}
.leak-card h3{font-size:.85rem;font-weight:600;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.leak-status{font-size:.7rem;padding:2px 8px;border-radius:10px;font-weight:600}
.status-safe{background:rgba(0,206,201,.1);color:var(--accent)}.status-leak{background:rgba(225,112,85,.1);color:var(--primary)}.status-info{background:rgba(250,177,160,.1);color:var(--secondary)}
.leak-value{font-family:var(--font-mono);font-size:.78rem;color:var(--text2);word-break:break-all;line-height:1.5}
.advice{margin-top:16px}.advice h3{font-size:.9rem;font-weight:600;margin-bottom:12px}
.advice-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:12px;margin-bottom:8px;font-size:.82rem;color:var(--text2)}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}
.toast-container{position:fixed;bottom:20px;right:20px;z-index:300;display:flex;flex-direction:column;gap:8px}.toast{padding:10px 16px;background:var(--bg2);border:1px solid var(--border);border-radius:8px;font-size:.82rem;animation:toastIn .3s ease}.toast.success{border-left:3px solid var(--accent)}.toast.info{border-left:3px solid var(--secondary)}
@keyframes toastIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}
[data-theme="dark"] .icon-moon{display:none}[data-theme="dark"] .icon-sun{display:block}[data-theme="light"] .icon-moon{display:block}[data-theme="light"] .icon-sun{display:none}
@media(max-width:640px){.results-grid{grid-template-columns:1fr}.main{padding:16px}}