:root{
  --primary:#0b5e8a;--primary-dark:#083a5e;--primary-light:#e8f1f7;
  --accent:#e67e22;--accent-light:#fdf0e3;
  --bg:#f4f7fa;--card:#fff;--text:#1f2d3d;--muted:#5b6b7b;--border:#dde5ec;
  --ok:#1e8e5a;--warn:#c0392b;--info:#2c7fb8;
  --neutro:#2c7fb8;--limfo:#1e8e5a;--mono:#e67e22;--eosino:#c0392b;--baso:#8e44ad;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{-webkit-text-size-adjust:100%;}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.55;min-height:100vh;}
a{color:var(--primary);text-decoration:none;}
button{font-family:inherit;cursor:pointer;}

/* Header */
.app-header{background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:#fff;padding:16px 18px;position:sticky;top:0;z-index:50;box-shadow:0 2px 8px rgba(0,0,0,.15);}
.app-header .top{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.app-header h1{font-size:1.15rem;display:flex;align-items:center;gap:8px;}
.app-header h1 .logo{font-size:1.3rem;}
.app-header .sub{font-size:.75rem;opacity:.85;margin-top:2px;}
.header-actions{display:flex;gap:8px;align-items:center;}
.icon-btn{background:rgba(255,255,255,.15);border:none;color:#fff;width:38px;height:38px;border-radius:10px;font-size:1.1rem;display:flex;align-items:center;justify-content:center;transition:background .2s;}
.icon-btn:hover{background:rgba(255,255,255,.28);}

/* Layout */
.container{max-width:860px;margin:0 auto;padding:16px;}
.section{display:none;}
.section.active{display:block;animation:fadeIn .25s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* Cards */
.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:18px;margin-bottom:16px;box-shadow:0 1px 3px rgba(0,0,0,.05);}
.card h2{font-size:1.1rem;color:var(--primary);margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.card h3{font-size:.95rem;color:var(--primary-dark);margin:12px 0 6px;}
.muted{color:var(--muted);font-size:.85rem;}
.small{font-size:.8rem;}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--primary);color:#fff;border:none;padding:12px 18px;border-radius:10px;font-size:.95rem;font-weight:600;transition:background .2s,transform .1s;width:100%;}
.btn:hover{background:var(--primary-dark);}
.btn:active{transform:scale(.98);}
.btn:disabled{opacity:.5;cursor:not-allowed;}
.btn-accent{background:var(--accent);}
.btn-accent:hover{background:#d06a12;}
.btn-outline{background:transparent;border:2px solid var(--primary);color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);}
.btn-sm{padding:8px 12px;font-size:.85rem;width:auto;border-radius:8px;}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;}
.btn-row .btn{flex:1;min-width:120px;}

/* Upload zone */
.dropzone{border:2px dashed var(--primary);border-radius:14px;padding:34px 20px;text-align:center;background:var(--primary-light);transition:background .2s,border-color .2s;cursor:pointer;}
.dropzone.dragover{background:#dcebf5;border-color:var(--accent);}
.dropzone .dz-icon{font-size:2.6rem;margin-bottom:8px;}
.dropzone p{color:var(--muted);font-size:.9rem;}
.dropzone .dz-title{font-weight:700;color:var(--primary);font-size:1.05rem;margin-bottom:4px;}
.dropzone input[type=file]{display:none;}
.camera-row{display:flex;gap:10px;margin-top:12px;}
.camera-row .btn{flex:1;}

/* Preview */
.preview-wrap{position:relative;margin-top:14px;border-radius:12px;overflow:hidden;background:#0f1e2b;display:none;}
.preview-wrap.show{display:block;}
.preview-wrap img{width:100%;display:block;}
.preview-overlay{position:absolute;inset:0;pointer-events:none;}
.preview-overlay .box{position:absolute;border:2px solid var(--accent);border-radius:4px;background:rgba(230,126,34,.12);}
.preview-overlay .box .lbl{position:absolute;top:-20px;left:0;background:var(--accent);color:#fff;font-size:.62rem;padding:1px 5px;border-radius:3px;white-space:nowrap;}
.preview-actions{display:flex;gap:10px;margin-top:10px;}

/* Video (camera) */
.video-wrap{position:relative;border-radius:12px;overflow:hidden;background:#0f1a2b;display:none;margin-top:14px;}
.video-wrap.show{display:block;}
.video-wrap video{width:100%;display:block;}
.video-actions{display:flex;gap:10px;margin-top:10px;}

/* Progress */
.progress-wrap{margin-top:16px;display:none;}
.progress-wrap.show{display:block;}
.progress-bar{height:10px;background:var(--border);border-radius:6px;overflow:hidden;margin-top:8px;}
.progress-fill{height:100%;width:0;background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .2s;}
.progress-label{font-size:.85rem;color:var(--muted);margin-top:6px;text-align:center;}

/* Results */
.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:12px;}
.result-cell{background:var(--primary-light);border-radius:10px;padding:14px;text-align:center;border:1px solid var(--border);}
.result-cell .cell-name{font-weight:700;font-size:.9rem;color:var(--primary-dark);}
.result-cell .cell-count{font-size:1.6rem;font-weight:800;margin:4px 0;}
.result-cell .cell-pct{font-size:.9rem;color:var(--muted);}
.result-cell.neutrophil .cell-count{color:var(--neutro);}
.result-cell.limfosit .cell-count{color:var(--limfo);}
.result-cell.monosit .cell-count{color:var(--mono);}
.result-cell.eosinofil .cell-count{color:var(--eosino);}
.result-cell.basofil .cell-count{color:var(--baso);}
.total-badge{text-align:center;background:var(--primary);color:#fff;border-radius:10px;padding:10px;margin-top:12px;font-size:1rem;font-weight:700;}
.chart-wrap{height:260px;margin-top:14px;position:relative;}
.flag-list{margin-top:12px;}
.flag-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;margin-bottom:8px;font-size:.9rem;}
.flag-item.warn{background:var(--accent-light,#fdf3e3);border:1px solid var(--accent);}
.flag-item.danger{background:#fdecea;border:1px solid var(--eosino);}
.flag-item .flag-icon{font-size:1.2rem;}
.flag-item .flag-title{font-weight:700;}
.flag-item .flag-desc{color:var(--muted);font-size:.82rem;}

/* History */
.history-item{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:14px;margin-bottom:10px;display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;}
.history-item .h-date{font-size:.8rem;color:var(--muted);}
.history-item .h-bars{display:flex;gap:3px;align-items:flex-end;height:34px;margin-top:6px;}
.history-item .h-bar{width:16px;border-radius:3px 3px 0 0;}
.history-item .h-total{font-weight:700;color:var(--primary);}
.history-item .h-actions{display:flex;gap:6px;}

/* Tabs */
.tabs{display:flex;gap:6px;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:6px;margin-bottom:16px;overflow-x:auto;}
.tab{flex:1;min-width:90px;text-align:center;padding:10px 8px;border-radius:8px;font-size:.85rem;font-weight:600;color:var(--muted);cursor:pointer;white-space:nowrap;transition:background .2s,color .2s;}
.tab.active{background:var(--primary);color:#fff;}

/* Reference ranges */
.ref-table{width:100%;border-collapse:collapse;font-size:.85rem;margin-top:8px;}
.ref-table th,.ref-table td{border:1px solid var(--border);padding:7px 9px;text-align:left;}
.ref-table th{background:var(--primary-light);color:var(--primary-dark);}

/* Footer nav */
.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:var(--card);border-top:1px solid var(--border);display:flex;z-index:50;box-shadow:0 -2px 8px rgba(0,0,0,.06);}
.bottom-nav .nav-item{flex:1;text-align:center;padding:10px 4px;font-size:.7rem;color:var(--muted);cursor:pointer;border:none;background:none;transition:color .2s;}
.bottom-nav .nav-item .ni{font-size:1.25rem;display:block;margin-bottom:2px;}
.bottom-nav .nav-item.active{color:var(--primary);font-weight:700;}
body{padding-bottom:64px;}

/* Toast */
.toast{position:fixed;bottom:80px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--primary-dark);color:#fff;padding:12px 20px;border-radius:10px;font-size:.9rem;opacity:0;transition:all .3s;z-index:100;box-shadow:0 4px 12px rgba(0,0,0,.2);pointer-events:none;max-width:90%;text-align:center;}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* Modal */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.5);display:none;align-items:center;justify-content:center;z-index:200;padding:20px;}
.modal.show{display:flex;}
.modal-box{background:var(--card);border-radius:14px;padding:22px;max-width:420px;width:100%;max-height:85vh;overflow-y:auto;}
.modal-box h3{color:var(--primary);margin-bottom:12px;}
.modal-box .close{float:right;background:none;border:none;font-size:1.4rem;color:var(--muted);cursor:pointer;}

@media(max-width:480px){
  .app-header h1{font-size:1rem;}
  .result-grid{grid-template-columns:repeat(2,1fr);}
  .btn-row .btn{min-width:100%;}
}

/* v2: Export row */
.export-row{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap;}
.export-row .btn{flex:1;min-width:130px;}

/* v2: Review manual */
.review-tools{margin:10px 0;}
.review-tools>span{font-size:.85rem;color:var(--muted);display:block;margin-bottom:8px;}
.review-type-picker{display:flex;gap:8px;flex-wrap:wrap;}
.type-pick{border:none;color:#fff;padding:8px 12px;border-radius:8px;font-size:.85rem;font-weight:600;opacity:.7;transition:opacity .2s,transform .1s;}
.type-pick.active{opacity:1;box-shadow:0 0 0 3px rgba(0,0,0,.15);transform:scale(1.05);}
.review-stats{background:var(--primary-light);border:1px solid var(--border);border-radius:8px;padding:10px 12px;font-size:.9rem;margin:10px 0;}
.review-actions{display:flex;gap:10px;flex-wrap:wrap;}
.review-actions .btn{flex:1;min-width:130px;}

/* v2: corrected box */
.preview-overlay .box.corrected{border-color:var(--ok);background:rgba(30,142,90,.2);}
.preview-overlay .box.corrected .lbl{background:var(--ok);}
.preview-overlay .box.clickable{cursor:pointer;pointer-events:auto;}

/* v2: form rows (identitas pasien) */
.form-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:10px;}
.form-row label{flex:1;min-width:140px;font-size:.85rem;color:var(--muted);display:flex;flex-direction:column;gap:4px;}
.form-row input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:.95rem;color:var(--text);background:#fff;}
.form-row input:focus{outline:none;border-color:var(--primary);}

/* v2: history filter */
.filter-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;align-items:center;}
.filter-row input,.filter-row select{flex:1;min-width:140px;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:.9rem;background:#fff;color:var(--text);}
.filter-row .btn{width:auto;}
.history-item .h-patient{font-size:.8rem;color:var(--primary);font-weight:600;}

/* v2: guide list */
.guide-list{margin:8px 0 8px 20px;font-size:.9rem;}
.guide-list li{margin-bottom:6px;}

/* ============ v3: Dark mode ============ */
body.dark{
  --primary:#4aa3d8;--primary-dark:#2c7fb8;--primary-light:#1a2f40;
  --accent:#f0a35e;--accent-light:#3a2c1c;
  --bg:#0f1a24;--card:#16232f;--text:#e6eef5;--muted:#9db0c0;--border:#2a3d4d;
  --ok:#3ecf8e;--warn:#ff7a6b;--info:#5bb0e0;
  --neutro:#5bb0e0;--limfo:#3ecf8e;--mono:#f0a35e;--eosino:#ff7a6b;--baso:#b07ad8;
}
body.dark .dropzone{background:#1c2f40;border-color:#4aa3d8;}
body.dark .dropzone.dragover{background:#24445c;}
body.dark .result-cell{background:#1c2f40;border-color:#2c3d4d;}
body.dark .flag-item.warn{background:#3a2c1c;border-color:#f0a35e;}
body.dark .flag-item.danger{background:#3a1c1c;border-color:#ff7a6b;}
body.dark .history-item{background:#16232f;}
body.dark .form-row input,body.dark .form-row select,body.dark .form-row textarea,
body.dark .filter-row input,body.dark .filter-row select{background:#0f1a24;color:var(--text);border-color:#2c3d4d;}
body.dark .ref-table th{background:#1c2f40;}
body.dark .review-stats{background:#1c2f40;border-color:#2c3d4d;}
body.dark .note{background:#3a2c1c;}
body.dark .disclaimer{background:#3a1c1c;}

/* ===== v3: Image QC ===== */
.qc-item{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;border-radius:8px;margin-bottom:8px;font-size:.9rem;}
.qc-item.ok{background:#eafaf1;border:1px solid var(--ok);}
.qc-item.warn{background:var(--accent-light);border:1px solid var(--accent);}
.qc-item .qc-icon{font-size:1.2rem;}
.qc-item .qc-title{font-weight:700;}
.qc-item .qc-desc{color:var(--muted);font-size:.82rem;}
.qc-metrics{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:10px;}
.qc-metric{flex:1;min-width:110px;background:var(--primary-light);border:1px solid var(--border);border-radius:8px;padding:8px 10px;text-align:center;}
.qc-metric .qm-label{font-size:.72rem;color:var(--muted);}
.qc-metric .qm-value{font-size:1.1rem;font-weight:700;color:var(--primary-dark);}

/* ===== v3: Interpretasi klinis ===== */
.interp-item{display:flex;align-items:flex-start;gap:10px;padding:9px 12px;border-radius:8px;margin-bottom:8px;font-size:.88rem;border:1px solid var(--border);}
.interp-item.warn{background:var(--accent-light);border-color:var(--accent);}
.interp-item.info{background:var(--primary-light);border-color:var(--info);}
.interp-item.ok{background:#eafaf1;border-color:var(--ok);}
.interp-item.note{background:var(--primary-light);border-color:var(--border);font-size:.8rem;color:var(--muted);}
.interp-item .ii-icon{font-size:1.1rem;}

/* ===== v3: Cell Gallery ===== */
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:8px;margin-top:10px;}
.gallery-cell{position:relative;border:2px solid var(--border);border-radius:8px;overflow:hidden;cursor:pointer;background:#0f1e2b;aspect-ratio:1;}
.gallery-cell img{width:100%;height:100%;object-fit:cover;display:block;}
.gallery-cell .g-label{position:absolute;bottom:0;left:0;right:0;background:rgba(0,0,0,.6);color:#fff;font-size:.55rem;text-align:center;padding:1px 2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.gallery-cell.corrected{border-color:var(--ok);}
.gallery-cell .g-corr{position:absolute;top:2px;right:2px;background:var(--ok);color:#fff;font-size:.6rem;border-radius:50%;width:16px;height:16px;display:flex;align-items:center;justify-content:center;}

/* ===== v3: form textarea & select ===== */
.form-row select,.form-row textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:.95rem;color:var(--text);background:#fff;font-family:inherit;}
.form-row textarea{resize:vertical;}
.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--primary);}

/* ===== v3: stats summary ===== */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin-top:10px;}
.stats-box{background:var(--primary-light);border:1px solid var(--border);border-radius:10px;padding:12px;text-align:center;}
.stats-box .st-label{font-size:.75rem;color:var(--muted);}
.stats-box .st-value{font-size:1.3rem;font-weight:800;color:var(--primary-dark);}
.stats-avg{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;}
.stats-avg .sa{flex:1;min-width:100px;background:var(--card);border:1px solid var(--border);border-radius:8px;padding:8px;text-align:center;font-size:.8rem;}
.stats-avg .sa b{display:block;font-size:1rem;}

/* ===== v3: demo buttons ===== */
.demo-btns .btn{width:auto;}

/* ===== v3: modal ===== */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.5);display:none;align-items:center;justify-content:center;z-index:200;padding:20px;}
.modal.show{display:flex;}
.modal-box{background:var(--card);border-radius:14px;padding:22px;max-width:420px;width:100%;max-height:85vh;overflow-y:auto;}
.modal-box h3{color:var(--primary);margin-bottom:12px;}
.modal-box .close{float:right;background:none;border:none;font-size:1.4rem;color:var(--muted);cursor:pointer;}
.cell-detail{font-size:.9rem;}
.cell-detail .cd-row{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid var(--border);}
.cell-detail .cd-row span:first-child{color:var(--muted);}
.cell-detail .cd-thumb{width:100%;border-radius:8px;margin-bottom:10px;}

/* ===== v4: font size (aksesibilitas) ===== */
body.fs-sm{font-size:14px;}
body.fs-md{font-size:16px;}
body.fs-lg{font-size:18px;}
body.fs-lg .card h2{font-size:1.25rem;}
body.fs-lg .btn{font-size:1rem;}

/* ===== v4: trend table ===== */
#trend-table-wrap .ref-table{width:100%;border-collapse:collapse;font-size:.85rem;}
#trend-table-wrap .ref-table th,#trend-table-wrap .ref-table td{border:1px solid var(--border);padding:6px 8px;text-align:left;}
#trend-table-wrap .ref-table th{background:var(--primary-light);}

/* ===== v4: dark mode kontras ===== */
body.dark .form-row select,body.dark .form-row textarea{background:#1e2a36;color:#e6edf3;border-color:#3a4a5a;}
body.dark .stats-box{background:#1e2a36;border-color:#3a4a5a;}
body.dark .stats-box .st-value{color:#7fb8e0;}
body.dark #trend-table-wrap .ref-table th{background:#1e2a36;color:#e6edf3;}
body.dark #trend-table-wrap .ref-table td{border-color:#3a4a5a;}