*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:#f2f5f7;color:#17202a}header{background:linear-gradient(135deg,#101820,#263746);color:#fff;padding:15px 5%;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:10;box-shadow:0 3px 14px #0002}header b{font-size:21px;letter-spacing:2px}header span{margin-left:8px;color:#aebdca}.user{font-size:12px}.user a{color:#fff;margin-left:10px}main{max-width:1100px;margin:auto;padding:18px}.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.tiles button{border:1px solid #e7ebef;background:#fff;border-radius:16px;padding:18px;text-align:left;font-size:25px;box-shadow:0 3px 14px #2437460d;cursor:pointer;transition:.15s}.tiles button:active{transform:scale(.98)}.tiles button:nth-child(1){border-top:4px solid #2f8f65}.tiles button:nth-child(2){border-top:4px solid #2878b5}.tiles button:nth-child(3){border-top:4px solid #8b62a8}.tiles button:nth-child(4){border-top:4px solid #d09a2d}.tiles button:nth-child(5){border-top:4px solid #db6b46}.tiles button:nth-child(6){border-top:4px solid #477b88}.tiles strong,.tiles small{display:block}.tiles strong{font-size:14px;margin-top:9px}.tiles small{font-size:12px;color:#73808c;margin-top:4px}.panel{display:none;background:#fff;margin-top:16px;padding:20px;border-radius:16px;box-shadow:0 3px 16px #2437460c}.panel.active{display:block}.panel h2{margin-top:0;font-size:20px}.form{display:grid;gap:14px}.form label{font-size:13px;font-weight:700}.form input,.form select,.search,.action-row select{width:100%;padding:13px;border:1px solid #d8e0e6;border-radius:11px;background:#fff;font-size:16px;margin-top:5px}.primary,.secondary,.danger-btn{border:0;border-radius:11px;padding:14px;font-weight:800;cursor:pointer;font-size:14px}.primary{background:#1d7252;color:#fff}.secondary{background:#eaf0f4;color:#263746}.danger-btn{background:#fff0ed;color:#a43d2d;border:1px solid #f0c8c0}.item-row{display:grid;grid-template-columns:minmax(0,1fr) 76px 145px 130px;gap:8px;margin-bottom:9px;padding:10px;background:#f7f9fa;border-radius:12px}.item-row select,.item-row input{margin:0;width:100%;padding:12px;border:1px solid #d8e0e6;border-radius:9px;background:#fff;font-size:14px}.charge{display:flex;align-items:center;gap:5px}.charge span{font-size:11px;white-space:nowrap}.cards{display:grid;gap:10px;margin-top:15px}.card{border:1px solid #e2e8ed;border-radius:13px;padding:14px;background:#fff}.card h3{margin:0 0 6px}.card p{color:#667681;margin:6px 0 10px}.card small,.itemlist small{display:block;padding:4px 0;line-height:1.35}.overdue{border-color:#df8d80;background:#fff7f5}.alert{padding:12px;border-radius:10px;margin-bottom:12px}.ok{background:#e5f5ec;color:#256346}.danger{background:#fdebea;color:#8e342a}.hidden,.loan-hidden{display:none!important}.action-row{display:flex;gap:9px;align-items:flex-end;margin-top:10px}.action-row form{display:flex;gap:7px;align-items:flex-end}.action-row select{margin:0;min-width:210px;font-size:13px;padding:12px}.check{display:flex;align-items:center;gap:8px}.check input{width:auto;margin:0}.login{min-height:100vh;display:grid;place-items:center;background:#101820}.login-card{width:min(92%,390px);background:#fff;padding:32px;border-radius:18px}.login-card .brand{letter-spacing:3px;font-weight:900}.login-card h1{margin:4px 0}.login-card form{display:grid;gap:14px;margin:25px 0}.login-card label{font-size:13px}.login-card input{width:100%;padding:13px;margin-top:5px;border:1px solid #ddd;border-radius:9px}
@media(max-width:700px){header{padding:12px 14px}.user{max-width:48%;text-align:right;font-size:10px}header b{font-size:18px}main{padding:10px}.tiles{grid-template-columns:repeat(2,1fr);gap:8px}.tiles button{padding:13px;min-height:108px;border-radius:14px;font-size:22px}.tiles strong{font-size:13px}.tiles small{font-size:11px}.panel{padding:13px;margin-top:10px;border-radius:14px}.panel h2{font-size:18px}.item-row{grid-template-columns:1fr 64px;padding:8px;gap:7px}.sample-pick{grid-column:1/-1}.item-disposition{grid-column:1/2}.charge{grid-column:2/3}.charge span{display:none}.form input,.form select,.search{font-size:16px;padding:13px}.primary,.secondary,.danger-btn{min-height:48px}.action-row,.action-row form{display:grid;width:100%;gap:7px}.action-row select{min-width:0;width:100%}.card{padding:12px}.card p{font-size:13px}}
.panel-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.panel-title-row h2{margin-bottom:2px}.subtle{margin:0;color:#73808c;font-size:13px}.new-customer-btn{border:0;background:#1670df;color:#fff;border-radius:11px;padding:12px 15px;font-weight:800;cursor:pointer;white-space:nowrap}.customer-select-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:end}.customer-select-row select{margin-top:5px}.customer-select-row .new-customer-btn{margin-top:5px;min-height:47px}.customer-results{gap:12px}.customer-card{padding:0;overflow:hidden}.customer-head{display:grid;grid-template-columns:48px minmax(0,1fr) auto;gap:12px;align-items:center;padding:15px}.customer-avatar{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:#e7f1ff;color:#1766c2;font-weight:900}.customer-main h3{margin:0 0 4px}.afm{color:#687987;font-size:13px}.customer-metrics{display:flex;gap:28px}.customer-metrics span{display:grid;min-width:100px}.customer-metrics b{font-size:16px}.customer-metrics small{color:#73808c;padding:2px 0}.customer-history{border-top:1px solid #edf1f4}.history-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;padding:11px 15px;border-bottom:1px solid #f0f3f5;align-items:center}.history-row:last-child{border-bottom:0}.history-row>div:first-child{display:flex;gap:6px;align-items:center}.history-row>div:first-child small{color:#73808c}.history-meta{display:flex;align-items:center;gap:10px;color:#657480;font-size:12px}.status-pill{background:#e8f5ee;color:#25704e;padding:4px 7px;border-radius:999px;font-weight:800}.status-pill.loan{background:#eef0fb;color:#5d4a9a}.empty-note{padding:12px 15px;border-top:1px solid #edf1f4;color:#84919b;font-size:13px}.modal{position:fixed;inset:0;background:#0d1a2688;display:grid;place-items:center;padding:16px;z-index:100}.modal-card{position:relative;background:#fff;width:min(100%,480px);border-radius:18px;padding:22px;box-shadow:0 20px 60px #0004}.modal-card h2{margin:0 0 5px}.modal-close{position:absolute;right:12px;top:10px;border:0;background:transparent;font-size:28px;color:#657480;cursor:pointer}.modal-actions{display:grid;grid-template-columns:1fr 1.5fr;gap:8px}.inline-error{background:#fdebea;color:#8e342a;padding:10px;border-radius:9px;font-size:13px}
@media(max-width:700px){.panel-title-row{align-items:stretch;flex-direction:column}.panel-title-row .new-customer-btn{width:100%;min-height:48px}.customer-select-row{grid-template-columns:1fr}.customer-select-row .new-customer-btn{width:100%}.customer-head{grid-template-columns:42px minmax(0,1fr);padding:12px;gap:10px}.customer-avatar{width:42px;height:42px}.customer-metrics{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:8px;background:#f7f9fb;padding:9px;border-radius:10px}.customer-metrics span{min-width:0}.customer-history{border-top:0}.history-row{grid-template-columns:1fr;padding:11px 12px}.history-meta{flex-wrap:wrap;gap:6px}.modal{align-items:end;padding:0}.modal-card{border-radius:20px 20px 0 0;padding:20px 16px 18px}.modal-actions{grid-template-columns:1fr}.modal-actions .primary{order:-1}}
/* V4: cleaner customer/sample result cards */
.history-sample-name{font-weight:400;color:#25323d}.sample-results{gap:12px}.sample-card{padding:0;overflow:hidden}.sample-head{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding:15px}.sample-title{font-size:15px;font-weight:700;color:#25323d;line-height:1.4}.sample-subline{display:flex;flex-wrap:wrap;gap:7px 14px;margin-top:6px;color:#73808c;font-size:12px}.sample-count{display:grid;min-width:72px;text-align:right}.sample-count span{font-size:16px;font-weight:700}.sample-count small{color:#73808c;padding-top:2px}.sample-history{border-top:1px solid #edf1f4}.sample-history-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center;padding:11px 15px;border-bottom:1px solid #f0f3f5}.sample-history-row:last-child{border-bottom:0}.sample-customer-name{font-weight:400;color:#25323d;font-size:14px}
@media(max-width:700px){.sample-head{grid-template-columns:minmax(0,1fr) auto;padding:12px}.sample-title{font-size:14px}.sample-subline{gap:5px 10px}.sample-history{border-top:0}.sample-history-row{grid-template-columns:1fr;padding:11px 12px}.sample-history-row .history-meta{margin-top:2px}.sample-count{min-width:58px}.history-sample-name{font-size:14px}}
/* V5: align Samples with Customers + Admin sample management */
.customer-main h3,.sample-title{font-size:16px;font-weight:700;line-height:1.35;color:#25323d}
.sample-head{grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding:15px}
.sample-subline{font-size:13px;color:#687987;margin-top:4px}
.sample-count{display:flex;gap:5px;align-items:baseline;min-width:auto;text-align:right}
.sample-count span{font-size:16px;font-weight:700}.sample-count small{font-size:12px;color:#73808c}
.admin-sample-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:14px;margin-top:16px}.admin-box{border:1px solid #e2e8ed;border-radius:14px;padding:16px;background:#fff}.admin-box h3{margin:0 0 14px;font-size:16px}.two-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px}.compact-form{margin-top:14px}.collection-list{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}.collection-list span{background:#f1f5f8;border:1px solid #e2e8ed;border-radius:999px;padding:6px 9px;font-size:12px;color:#52616d}
@media(max-width:700px){.customer-main h3,.sample-title{font-size:16px}.sample-head{padding:12px}.sample-subline{font-size:12px}.sample-count{align-self:start}.admin-sample-grid{grid-template-columns:1fr}.admin-box{padding:13px}.two-fields{grid-template-columns:1fr 1fr}}
/* V6: complete Admin sample/collection management */
.admin-manage-section{margin-top:18px}.admin-manage-section>h3{font-size:16px;margin:0 0 10px}.admin-list{display:grid;gap:8px}.admin-edit-card{border:1px solid #e2e8ed;border-radius:12px;background:#fff;overflow:hidden}.admin-edit-card summary{cursor:pointer;display:flex;justify-content:space-between;gap:12px;align-items:center;padding:13px 15px;font-weight:700}.admin-edit-card summary small{font-weight:400;color:#73808c}.admin-edit-form,.collection-edit-row{padding:14px;border-top:1px solid #edf1f4}.admin-actions{display:flex;gap:8px;align-items:center}.admin-actions form{margin:0}.collection-edit-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:end}.inactive-row{opacity:.62;background:#f7f9fa}
@media(max-width:700px){.admin-edit-card summary{align-items:flex-start;flex-direction:column;padding:12px}.admin-edit-form,.collection-edit-row{padding:12px}.admin-actions{display:grid}.admin-actions .primary,.admin-actions .secondary{width:100%}.collection-edit-row{grid-template-columns:1fr}.collection-edit-row>form:last-child button{width:100%}}

/* V6.2: notes in customer/sample history */
.history-note{margin-top:6px;font-size:13px;line-height:1.4;color:#66727d;font-weight:400;overflow-wrap:anywhere}

/* V6.3: user management + warehouse own receipt history */
.user-admin-grid{align-items:start}.user-role-note p{font-size:13px;line-height:1.5;color:#5f6d78;margin:10px 0}.self-protect{display:block;color:#8a6a25;font-weight:400;margin-top:5px}.recent-stock{margin-top:22px;border-top:1px solid #edf1f4;padding-top:16px}.recent-stock h3{font-size:16px;margin:0 0 10px}.stock-history-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding:11px 13px;border:1px solid #e6ebef;border-radius:11px;background:#fff}.stock-history-row>div:first-child{display:grid;gap:3px}.stock-history-row small{color:#73808c;font-size:12px}.stock-history-meta{text-align:right;display:grid;gap:3px}.stock-history-meta>b{color:#1d7252}@media(max-width:700px){.stock-history-row{grid-template-columns:1fr}.stock-history-meta{text-align:left;display:flex;gap:10px;align-items:center}}

/* V6.4: searchable customer/sample dropdowns */
.searchable-select{position:absolute!important;opacity:0!important;pointer-events:none!important;width:1px!important;height:1px!important}
.smart-select{position:relative;width:100%;margin-top:5px}.smart-select-control{width:100%;min-height:47px;border:1px solid #d8e0e6;border-radius:10px;background:#fff;padding:12px 42px 12px 13px;font:inherit;color:#25323d;text-align:left;cursor:text;position:relative}.smart-select-control::after{content:'⌄';position:absolute;right:14px;top:50%;transform:translateY(-55%);font-size:20px;color:#6d7b86}.smart-select.open .smart-select-control{border-color:#6ba5e8;box-shadow:0 0 0 3px #1670df16}.smart-select-value{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.smart-select-value.placeholder{color:#7b8994}.smart-select-menu{display:none;position:absolute;left:0;right:0;top:calc(100% + 5px);z-index:80;background:#fff;border:1px solid #dce3e8;border-radius:12px;box-shadow:0 12px 34px #14233124;overflow:hidden}.smart-select.open .smart-select-menu{display:block}.smart-select-search{width:calc(100% - 20px)!important;margin:10px!important;padding:12px!important;border:1px solid #cfd9e0!important;border-radius:9px!important;font-size:15px!important;background:#f8fafb}.smart-select-options{max-height:300px;overflow:auto;padding:0 6px 7px}.smart-option{display:block;width:100%;border:0;background:#fff;text-align:left;padding:11px 10px;border-radius:8px;color:#25323d;font-size:14px;line-height:1.35;cursor:pointer}.smart-option:hover,.smart-option:focus{background:#eef5fd;outline:none}.smart-option.selected{background:#e8f2ff;font-weight:700}.smart-empty{padding:14px;color:#7b8994;font-size:13px;text-align:center}
@media(max-width:700px){.smart-select-control{min-height:50px;font-size:16px;padding:13px 42px 13px 13px}.smart-select-menu{position:fixed;left:10px;right:10px;top:auto;bottom:12px;max-height:70vh;border-radius:16px;z-index:120}.smart-select-search{font-size:16px!important}.smart-select-options{max-height:52vh}.smart-option{padding:13px 11px;font-size:15px}}
/* V6.5 email settings */
.email-settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.email-settings-grid .full{grid-column:1/-1}.email-help{padding:14px 16px;border:1px solid #e2e8ed;border-radius:12px;background:#f8fafb;font-size:13px;line-height:1.5}.email-status{font-size:13px;color:#60717f;margin-top:6px}@media(max-width:720px){.email-settings-grid{grid-template-columns:1fr}.email-settings-grid .full{grid-column:auto}}

/* V6.6 security: POST logout styled like the previous link */
.logout-form{display:inline;margin:0}.link-button{background:none;border:0;padding:0;margin-left:6px;color:inherit;text-decoration:underline;cursor:pointer;font:inherit}

/* V6.6.2 Local/VPN - Admin correction of customer sample history */
.history-delete-form{margin-top:8px;text-align:right}.history-delete-btn{border:0;background:transparent;color:#a52828;font-size:12px;font-weight:700;padding:5px 0;cursor:pointer}.history-delete-btn:hover{text-decoration:underline}