@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

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

:root{
    --g:#2e7d32;--gm:#43a047;--gl:#66bb6a;--gp:#e8f5e9;
    --orange:#ff6f00;--red:#c62828;--blue:#1565c0;--teal:#00695c;
    --bg:#f4f8f4;--white:#fff;--text:#1a1a1a;--muted:#6b7280;
    --border:#e5e7eb;--shadow:0 4px 24px rgba(0,0,0,.08);
    --shadow-lg:0 12px 48px rgba(0,0,0,.13);--r:16px;--r-sm:10px;
}

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

/* ── NAVBAR ── */
.navbar{position:sticky;top:0;z-index:900;background:rgba(255,255,255,.97);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);box-shadow:0 1px 12px rgba(0,0,0,.06)}
.nav-container{max-width:1200px;margin:0 auto;padding:0 1.5rem;height:62px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:.75rem;text-decoration:none;cursor:default}
.brand svg{flex-shrink:0;transition:transform .3s}
.brand:hover svg{transform:rotate(8deg) scale(1.05)}
.brand-name{font-size:1.25rem;font-weight:700;color:var(--g);line-height:1.1}
.brand-sub{font-size:.6rem;color:var(--muted);text-transform:uppercase;letter-spacing:.8px;font-weight:500}
.nav-links{display:flex;list-style:none;gap:.2rem;align-items:center}
.nav-link{display:flex;align-items:center;gap:.4rem;padding:.55rem 1rem;text-decoration:none;color:var(--muted);font-weight:500;font-size:.88rem;position:relative;transition:color .25s;white-space:nowrap;background:transparent}
.nav-link svg{transition:stroke .25s;flex-shrink:0}
.nav-link::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--g);transition:width .3s ease;border-radius:2px}
.nav-link:hover{color:var(--g);background:transparent}
.nav-link:hover svg{stroke:var(--g)}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.nav-link.active{color:var(--g);background:transparent}
.nav-link.active svg{stroke:var(--g)}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;border-radius:8px}
.hamburger span{display:block;width:22px;height:2px;background:var(--g);border-radius:2px;transition:all .3s}
.hamburger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* ── SECTIONS ── */
.section{display:none;padding:2.5rem 1.5rem;min-height:calc(100vh - 62px);animation:fadeUp .45s ease}
.section.active{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
.container{max-width:1200px;margin:0 auto}
.section-header{text-align:center;margin-bottom:2.5rem}
.section-header h2{font-size:clamp(1.6rem,4vw,2.2rem);font-weight:700;color:var(--g);margin-bottom:.4rem}
.section-header p{color:var(--muted);font-size:.95rem}

/* ── HERO ── */
.hero{text-align:center;padding:clamp(2rem,6vw,4.5rem) 0 2rem}
.hero-pill{display:inline-block;background:var(--gp);color:var(--g);padding:.4rem 1.2rem;border-radius:50px;font-size:.82rem;font-weight:600;margin-bottom:1.5rem;animation:fadeUp .5s ease .1s both}
.hero h1{font-size:clamp(2rem,5.5vw,3.5rem);font-weight:800;line-height:1.15;margin-bottom:1.2rem;animation:fadeUp .5s ease .2s both}
.gradient-text{background:linear-gradient(135deg,var(--g),var(--gl));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{font-size:clamp(.95rem,2vw,1.1rem);color:var(--muted);max-width:580px;margin:0 auto 2.5rem;animation:fadeUp .5s ease .3s both}
.hero-btns{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-bottom:3rem;animation:fadeUp .5s ease .4s both}
.hero-stats{display:flex;justify-content:center;align-items:center;gap:0;background:var(--white);border-radius:var(--r);box-shadow:var(--shadow);padding:1.5rem 2rem;max-width:480px;margin:0 auto;animation:fadeUp .5s ease .5s both}
.hstat{text-align:center;flex:1}
.hstat-num{font-size:2rem;font-weight:800;color:var(--g)}
.hstat span{font-size:1.2rem;font-weight:700;color:var(--gm)}
.hstat-label{font-size:.75rem;color:var(--muted);font-weight:500;margin-top:.2rem}
.hstat-divider{width:1px;height:40px;background:var(--border);margin:0 1rem}

/* Disease Cards */
.disease-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:2.5rem;animation:fadeUp .5s ease .6s both}
.disease-card{background:var(--white);border-radius:var(--r);padding:1.5rem 1rem;text-align:center;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s;border:1px solid var(--border)}
.disease-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.dc-icon{font-size:2.2rem;margin-bottom:.6rem}
.dc-name{font-weight:600;font-size:.95rem;color:var(--text);margin-bottom:.5rem}
.dc-risk{display:inline-block;padding:.25rem .8rem;border-radius:50px;font-size:.75rem;font-weight:600}
.dc-risk.safe{background:#e8f5e9;color:var(--g)}
.dc-risk.moderate{background:#fff8e1;color:#e65100}
.dc-risk.high{background:#fbe9e7;color:var(--red)}

/* ── BUTTONS ── */
.btn-primary{display:inline-flex;align-items:center;gap:.5rem;background:linear-gradient(135deg,var(--gm),var(--g));color:var(--white);border:none;padding:.85rem 2rem;font-size:.95rem;font-weight:600;font-family:'Poppins',sans-serif;border-radius:50px;cursor:pointer;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 16px rgba(46,125,50,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(46,125,50,.4)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{display:inline-flex;align-items:center;gap:.5rem;background:transparent;color:var(--g);border:2px solid var(--g);padding:.85rem 2rem;font-size:.95rem;font-weight:600;font-family:'Poppins',sans-serif;border-radius:50px;cursor:pointer;transition:all .2s}
.btn-outline:hover{background:var(--g);color:var(--white);transform:translateY(-2px)}
.btn-full{width:100%;justify-content:center;border-radius:var(--r-sm);margin-top:1rem}
.btn-sm{padding:.55rem 1.2rem;font-size:.85rem;margin-top:1rem}

/* ── CARDS ── */
.card{background:var(--white);border-radius:var(--r);box-shadow:var(--shadow);border:1px solid var(--border);overflow:hidden}

/* ── DETECT ── */
.detect-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;align-items:start}
.upload-card{padding:1.5rem}
.upload-zone{border:2px dashed #c8e6c9;border-radius:var(--r-sm);padding:2.5rem 1.5rem;text-align:center;cursor:pointer;transition:border-color .25s,background .25s;background:#fafffe;position:relative;overflow:hidden}
.upload-zone:hover,.upload-zone.drag-over{border-color:var(--g);background:#f0faf0}
.upload-icon-ring{width:72px;height:72px;background:var(--gp);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;animation:pulse-ring 2.5s ease infinite}
@keyframes pulse-ring{0%,100%{box-shadow:0 0 0 0 rgba(46,125,50,.2)}50%{box-shadow:0 0 0 12px rgba(46,125,50,0)}}
.upload-zone h3{font-size:1.1rem;font-weight:600;color:var(--text);margin-bottom:.3rem}
.upload-zone p{color:var(--muted);font-size:.9rem;margin-bottom:.6rem}
.browse-link{color:var(--g);font-weight:600;text-decoration:underline;cursor:pointer}
.file-hint{font-size:.75rem;color:#aaa;background:#f5f5f5;padding:.25rem .8rem;border-radius:20px}
.preview-img{max-width:100%;max-height:320px;border-radius:var(--r-sm);box-shadow:var(--shadow);animation:zoomIn .4s ease}
@keyframes zoomIn{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}

/* Result Card */
.result-card{padding:1.5rem;animation:slideIn .5s ease}
@keyframes slideIn{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:translateX(0)}}
.result-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.2rem}
.result-header h3{font-size:1.2rem;font-weight:700;color:var(--g)}
.result-badge{padding:.3rem .9rem;border-radius:50px;font-size:.8rem;font-weight:600}
.result-badge.healthy{background:#e8f5e9;color:var(--g)}
.result-badge.pest{background:#fbe9e7;color:var(--red)}
.result-body{display:flex;flex-direction:column;gap:1.2rem}
.result-img-wrap{position:relative;border-radius:var(--r-sm);overflow:hidden}
.result-img-wrap img{width:100%;display:block;border-radius:var(--r-sm)}
.result-img-overlay{position:absolute;inset:0;border-radius:var(--r-sm);pointer-events:none}
.result-details{display:flex;flex-direction:column;gap:.8rem}
.disease-name{font-size:1.8rem;font-weight:800;color:var(--g);animation:countUp .5s ease}
@keyframes countUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.risk-pill{display:inline-block;padding:.35rem 1rem;border-radius:50px;font-size:.82rem;font-weight:600}
.risk-pill.risk-safe{background:#e8f5e9;color:var(--g)}
.risk-pill.risk-moderate{background:#fff8e1;color:#e65100}
.risk-pill.risk-high{background:#fbe9e7;color:var(--red)}
.accuracy-block{background:#f9fafb;border-radius:var(--r-sm);padding:1rem}
.accuracy-label{font-size:.8rem;color:var(--muted);font-weight:500;margin-bottom:.5rem}
.accuracy-bar-wrap{height:10px;background:#e5e7eb;border-radius:10px;overflow:hidden;margin-bottom:.4rem}
.accuracy-bar{height:100%;background:linear-gradient(90deg,var(--gm),var(--gl));border-radius:10px;transition:width 1.2s cubic-bezier(.4,0,.2,1);width:0}
.accuracy-value{font-size:1.4rem;font-weight:800;color:var(--g)}
.precautions-box{background:#fff8e1;border-left:4px solid var(--orange);border-radius:var(--r-sm);padding:1rem}
.prec-title{display:flex;align-items:center;gap:.4rem;font-size:.9rem;font-weight:600;color:#e65100;margin-bottom:.7rem}
.precautions-box ul,.modal-prec ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:.4rem}
.precautions-box li,.modal-prec li{display:flex;gap:.5rem;font-size:.85rem;color:#555;padding:.4rem 0;border-bottom:1px solid rgba(255,224,178,.5);align-items:flex-start;animation:slideInLeft .4s ease backwards}
.precautions-box li:last-child,.modal-prec li:last-child{border-bottom:none}
.precautions-box li:nth-child(1){animation-delay:.05s}
.precautions-box li:nth-child(2){animation-delay:.1s}
.precautions-box li:nth-child(3){animation-delay:.15s}
.precautions-box li:nth-child(4){animation-delay:.2s}
.precautions-box li:nth-child(5){animation-delay:.25s}
@keyframes slideInLeft{from{opacity:0;transform:translateX(-16px)}to{opacity:1;transform:translateX(0)}}
.precautions-box li::before,.modal-prec li::before{content:"•";color:var(--orange);font-weight:700;flex-shrink:0;margin-top:1px}

/* ── DASHBOARD ── */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;margin-bottom:1.5rem}
.stat-box{background:var(--white);border-radius:var(--r);padding:1.4rem;display:flex;align-items:center;gap:1rem;box-shadow:var(--shadow);border:1px solid var(--border);transition:transform .25s,box-shadow .25s;animation:cardPop .5s ease backwards}
.stat-box:nth-child(1){animation-delay:.05s}
.stat-box:nth-child(2){animation-delay:.1s}
.stat-box:nth-child(3){animation-delay:.15s}
.stat-box:nth-child(4){animation-delay:.2s}
@keyframes cardPop{from{opacity:0;transform:scale(.9) translateY(16px)}to{opacity:1;transform:scale(1) translateY(0)}}
.stat-box:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.stat-icon-wrap{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.stat-icon-wrap.green{background:linear-gradient(135deg,var(--gm),var(--g))}
.stat-icon-wrap.teal{background:linear-gradient(135deg,#26a69a,var(--teal))}
.stat-icon-wrap.orange{background:linear-gradient(135deg,#ffa726,var(--orange))}
.stat-icon-wrap.blue{background:linear-gradient(135deg,#42a5f5,var(--blue))}
.stat-val{font-size:1.8rem;font-weight:800;color:var(--text);line-height:1}
.stat-lbl{font-size:.78rem;color:var(--muted);font-weight:500;margin-top:.2rem}
.charts-row{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-bottom:1.5rem}
.chart-card{padding:1.5rem}
.chart-title{font-size:1rem;font-weight:600;color:var(--text);margin-bottom:1.2rem}
.chart-wrap{position:relative;height:260px}

/* Last Result Banner */
.last-result-banner{background:linear-gradient(135deg,var(--g),var(--gm));border-radius:var(--r);padding:1.5rem 2rem;display:flex;justify-content:space-between;align-items:center;color:var(--white);animation:fadeUp .4s ease}
.lrb-label{font-size:.8rem;opacity:.8;margin-bottom:.3rem}
.lrb-disease{font-size:1.4rem;font-weight:700}
.lrb-acc{font-size:2rem;font-weight:800;text-align:right}
.lrb-risk{font-size:.85rem;opacity:.85;text-align:right}

/* ── HISTORY ── */
.history-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:1.2rem}
.history-card{background:var(--white);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);cursor:pointer;transition:transform .25s,box-shadow .25s;border:1px solid var(--border);animation:cardPop .5s ease backwards}
.history-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.hc-img-wrap{position:relative;overflow:hidden;height:170px}
.hc-img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.history-card:hover .hc-img-wrap img{transform:scale(1.08)}
.hc-overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(0,0,0,.55));display:flex;align-items:flex-end;padding:.8rem;opacity:0;transition:opacity .3s}
.history-card:hover .hc-overlay{opacity:1}
.hc-overlay-text{color:var(--white);font-size:.8rem;font-weight:500}
.hc-info{padding:1rem}
.hc-disease{font-size:.95rem;font-weight:600;color:var(--text);margin-bottom:.3rem}
.hc-acc{font-size:1.5rem;font-weight:800;color:var(--g);margin-bottom:.2rem}
.hc-time{font-size:.75rem;color:var(--muted)}
.hc-risk{display:inline-block;padding:.2rem .7rem;border-radius:50px;font-size:.72rem;font-weight:600;margin-top:.4rem}
.empty-state{grid-column:1/-1;text-align:center;padding:4rem 2rem;display:flex;flex-direction:column;align-items:center;gap:1rem;color:var(--muted)}
.empty-state p{font-size:1rem}

/* ── MODAL ── */
.modal-overlay{display:none;position:fixed;inset:0;z-index:1000;background:rgba(0,0,0,.75);backdrop-filter:blur(8px);padding:1rem;overflow-y:auto;align-items:center;justify-content:center}
.modal-overlay.show{display:flex;animation:fadeIn .3s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal-box{background:var(--white);border-radius:20px;max-width:820px;width:100%;position:relative;box-shadow:0 24px 80px rgba(0,0,0,.25);animation:modalPop .4s cubic-bezier(.34,1.56,.64,1)}
@keyframes modalPop{from{opacity:0;transform:scale(.88) translateY(30px)}to{opacity:1;transform:scale(1) translateY(0)}}
.modal-close{position:absolute;top:1rem;right:1rem;background:#f5f5f5;border:none;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s,transform .2s;z-index:1}
.modal-close:hover{background:#fee2e2;transform:rotate(90deg)}
.modal-inner{display:grid;grid-template-columns:1fr 1fr;gap:0}
.modal-img-side{position:relative;border-radius:20px 0 0 20px;overflow:hidden;min-height:320px}
.modal-img-side img{width:100%;height:100%;object-fit:cover;display:block}
.modal-img-badge{position:absolute;top:1rem;left:1rem;padding:.4rem 1rem;border-radius:50px;font-size:.8rem;font-weight:600}
.modal-img-badge.healthy{background:rgba(232,245,233,.95);color:var(--g)}
.modal-img-badge.pest{background:rgba(251,233,231,.95);color:var(--red)}
.modal-info-side{padding:2rem;display:flex;flex-direction:column;gap:1rem;overflow-y:auto;max-height:520px}
.modal-disease{font-size:1.8rem;font-weight:800;color:var(--g)}
.modal-risk{display:inline-block;padding:.35rem 1rem;border-radius:50px;font-size:.82rem;font-weight:600;width:fit-content}
.modal-acc-row{display:flex;justify-content:space-between;align-items:center;font-size:.9rem;color:var(--muted)}
.modal-acc-row strong{font-size:1.3rem;color:var(--g);font-weight:800}
.modal-acc-bar-wrap{height:8px;background:#e5e7eb;border-radius:8px;overflow:hidden}
.modal-acc-bar{height:100%;background:linear-gradient(90deg,var(--gm),var(--gl));border-radius:8px;transition:width 1s ease}
.modal-prec{background:#fff8e1;border-left:4px solid var(--orange);border-radius:var(--r-sm);padding:1rem}
.modal-time{font-size:.78rem;color:var(--muted);margin-top:auto;padding-top:.5rem;border-top:1px solid var(--border)}

/* ── LOADER ── */
.loader-overlay{position:fixed;inset:0;z-index:2000;background:rgba(0,0,0,.88);display:flex;align-items:center;justify-content:center}
.loader-box{text-align:center;color:var(--white);position:relative}
.loader-ring{width:64px;height:64px;border:4px solid rgba(255,255,255,.15);border-top-color:var(--gl);border-radius:50%;animation:spin .9s linear infinite;margin:0 auto 1.2rem}
.loader-ring2{width:48px;height:48px;border:3px solid rgba(255,255,255,.1);border-bottom-color:var(--gm);border-radius:50%;animation:spin 1.4s linear infinite reverse;position:absolute;top:8px;left:50%;transform:translateX(-50%)}
@keyframes spin{to{transform:rotate(360deg)}}
.loader-box p{font-size:1.1rem;font-weight:600;margin-bottom:.3rem}
.loader-box span{font-size:.82rem;color:rgba(255,255,255,.6)}

/* ── SCROLLBAR ── */
::-webkit-scrollbar{width:7px}
::-webkit-scrollbar-track{background:#f1f1f1}
::-webkit-scrollbar-thumb{background:var(--gl);border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:var(--g)}

/* ── RESPONSIVE ── */
@media(max-width:1024px){
    .stats-row{grid-template-columns:repeat(2,1fr)}
    .charts-row{grid-template-columns:1fr}
    .disease-cards{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:768px){
    .brand-sub{display:none}
    .hamburger{display:flex}
    .nav-links{position:fixed;top:62px;right:-100%;width:260px;height:calc(100vh - 62px);background:var(--white);flex-direction:column;padding:1.5rem 1rem;gap:.2rem;box-shadow:-4px 0 24px rgba(0,0,0,.1);transition:right .35s cubic-bezier(.4,0,.2,1);overflow-y:auto;z-index:800}
    .nav-links.open{right:0}
    .nav-link{width:100%;padding:.85rem 1rem;border-radius:var(--r-sm);font-size:.95rem}
    .nav-link::after{bottom:0}
    .section{padding:1.5rem 1rem}
    .detect-grid{grid-template-columns:1fr}
    .stats-row{grid-template-columns:repeat(2,1fr);gap:.8rem}
    .stat-box{padding:1rem}
    .stat-val{font-size:1.5rem}
    .charts-row{grid-template-columns:1fr}
    .history-grid{grid-template-columns:repeat(2,1fr)}
    .modal-inner{grid-template-columns:1fr}
    .modal-img-side{border-radius:20px 20px 0 0;min-height:220px}
    .modal-info-side{max-height:none}
    .hero-btns{flex-direction:column;align-items:center}
    .btn-primary,.btn-outline{width:100%;max-width:300px;justify-content:center}
    .last-result-banner{flex-direction:column;gap:.8rem;text-align:center}
    .lrb-acc,.lrb-risk{text-align:center}
}

@media(max-width:480px){
    .disease-cards{grid-template-columns:repeat(2,1fr)}
    .stats-row{grid-template-columns:repeat(2,1fr)}
    .history-grid{grid-template-columns:1fr}
    .hero-stats{padding:1.2rem;gap:0}
    .hstat-num{font-size:1.6rem}
    .modal-box{border-radius:16px}
}

/* Result Actions */
.result-actions {
    display: flex;
    gap: .6rem;
    flex-wrap: wrap;
    margin-top: .5rem;
}

.result-actions .btn-sm {
    flex: 1;
    min-width: 100px;
    justify-content: center;
    padding: .55rem .8rem;
    font-size: .82rem;
}

@media(max-width:480px) {
    .result-actions { flex-direction: column; }
    .result-actions .btn-sm { width: 100%; }
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: #323232;
    color: #fff;
    padding: .85rem 2rem;
    border-radius: 50px;
    font-size: .9rem;
    font-weight: 500;
    z-index: 9999;
    opacity: 0;
    transition: all .35s ease;
    box-shadow: 0 8px 24px rgba(0,0,0,.2);
    white-space: nowrap;
    max-width: 90vw;
    text-align: center;
}
.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
.toast.toast-error  { background: #c62828; }
.toast.toast-success{ background: #2e7d32; }
.toast.toast-info   { background: #1565c0; }