:root{--navy:#083f7e;--navy2:#062f61;--blue:#0867df;--bg:#f3f6fb;--line:#e5ebf3;--text:#15263f;--muted:#6c7a8d;--green:#0a8d51;--greenbg:#eaf8f0;--red:#d82c35;--redbg:#fff0f1;--shadow:0 8px 28px rgba(12,44,84,.07)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Tahoma,Arial,sans-serif;color:var(--text);background:var(--bg)}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}.app-shell{min-height:100vh}.sidebar{position:fixed;right:0;top:0;bottom:0;width:240px;background:linear-gradient(180deg,var(--navy2),var(--navy));color:#fff;padding:22px 16px;display:flex;flex-direction:column;z-index:30}.brand-mark{width:46px;height:46px;border-radius:14px;background:#fff;color:var(--navy);display:grid;place-items:center;font-size:27px;font-weight:900}.brand-text{display:grid;gap:4px;margin:14px 3px 28px}.brand-text b{font-size:20px}.brand-text small{opacity:.7}.sidebar nav{display:grid;gap:8px}.sidebar nav a{padding:12px 14px;border-radius:10px;display:flex;gap:10px;align-items:center;color:#dbe8f8}.sidebar nav a:hover,.sidebar nav a.active{background:rgba(255,255,255,.13);color:#fff}.sidebar-user{margin-top:auto;border-top:1px solid rgba(255,255,255,.16);padding-top:16px;display:grid;gap:5px}.sidebar-user small{opacity:.7}.sidebar-user a{margin-top:8px;color:#dbe8f8;font-size:13px}.page-wrap{margin-right:240px;min-height:100vh}.topbar{height:66px;background:#fff;border-bottom:1px solid var(--line);padding:0 28px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:20}.topbar div{display:flex;gap:10px;align-items:baseline}.topbar small{color:var(--muted)}.menu-btn{display:none;border:0;background:none;font-size:24px}.page-wrap main{max-width:1420px;margin:auto;padding:30px}.public-main{min-height:100vh;padding:0}.page-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}.page-head h1{margin:0 0 7px;font-size:30px}.page-head p{margin:0;color:var(--muted)}.eyebrow{color:var(--blue);font-weight:bold;font-size:13px;margin-bottom:6px}.btn,.primary,.secondary,.danger-btn,.small-btn{border:0;border-radius:10px;padding:11px 16px;cursor:pointer;font-weight:bold;display:inline-block;text-align:center}.primary,.btn.primary{background:var(--blue);color:#fff}.secondary,.btn.secondary{background:#edf3fa;color:#204b7b}.danger-btn{background:var(--redbg);color:var(--red)}.small-btn{padding:7px 10px;background:#edf3fa;color:#204b7b}.flash{padding:13px 15px;border-radius:11px;margin-bottom:18px;border:1px solid}.flash.success{background:var(--greenbg);color:#087744;border-color:#caecd9}.flash.error{background:var(--redbg);color:#b42129;border-color:#f1c7ca}.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:20px}.stat-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.stat-card{background:#fff;padding:20px;border-radius:16px;box-shadow:var(--shadow);border:1px solid #eef2f7}.stat-card span{display:block;color:var(--muted);margin-bottom:10px}.stat-card strong{display:block;font-size:26px}.stat-card small{display:block;color:#95a0af;margin-top:8px}.stat-card.success strong,.money-green{color:var(--green)}.stat-card.danger strong,.money-red{color:var(--red)}.panel{background:#fff;border:1px solid #edf1f6;border-radius:16px;padding:20px;box-shadow:var(--shadow)}.panel-title{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-bottom:16px}.panel-title h2{margin:0;font-size:20px}.muted{color:var(--muted)}.layout-two{display:grid;grid-template-columns:minmax(300px,.75fr) minmax(0,1.55fr);gap:18px}.customer-layout{grid-template-columns:minmax(300px,.62fr) minmax(0,1.75fr)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}.field label{font-weight:bold;font-size:13px;color:#40536b}.field input,.field select,.field textarea,.search-bar input{width:100%;border:1px solid #dce4ee;border-radius:10px;padding:12px;background:#fff;color:var(--text);outline:none}.field input:focus,.field select:focus,.field textarea:focus,.search-bar input:focus{border-color:#8bb8ef;box-shadow:0 0 0 3px #eaf3ff}.field select[multiple]{min-height:112px}.hint{color:var(--muted);font-size:12px}.search-bar{display:grid;grid-template-columns:1fr auto;gap:10px;margin-bottom:12px}.subnav{display:flex;gap:8px;margin-bottom:14px}.subnav a{padding:7px 11px;border-radius:999px;background:#f0f4f8;color:#5d6b7d;font-size:13px}.subnav a.active{background:#e7f1ff;color:#0a60c8}.customer-list{display:grid}.customer-row{display:grid;grid-template-columns:auto 1fr auto;gap:13px;align-items:center;padding:14px 4px;border-top:1px solid #eff3f7}.customer-row:first-child{border-top:0}.customer-row:hover{background:#fafcff}.avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:#eaf2fd;color:#0a58b4;font-weight:900}.customer-main{display:grid;gap:4px}.customer-main span,.customer-main small,.user-row span,.user-row small{color:var(--muted)}.customer-balance{text-align:left;display:grid;gap:3px}.customer-balance.negative strong{color:var(--red)}.customer-balance.positive strong{color:var(--green)}.customer-balance span{font-size:12px;color:var(--muted)}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:760px}th,td{text-align:right;padding:12px 10px;border-bottom:1px solid #edf1f5;white-space:nowrap}th{font-size:13px;color:#5d6b7d;background:#fbfcfe}td{font-size:14px}.table-link{font-weight:bold;color:#155eaa}.badge{padding:5px 9px;border-radius:999px;font-size:12px;display:inline-block}.badge.pay,.active-badge{background:var(--greenbg);color:var(--green)}.badge.debt,.inactive-badge{background:var(--redbg);color:var(--red)}.empty{text-align:center;color:var(--muted);padding:26px!important}.info-box{display:grid;gap:5px;background:#f7f9fc;padding:13px;border-radius:10px;margin-top:16px}.info-box span{color:var(--muted)}.details-panel{display:grid;grid-template-columns:1fr 2fr;gap:20px;margin-top:18px}.details-panel div{display:grid;gap:6px}.details-panel span{color:var(--muted);white-space:pre-wrap}.narrow-panel{max-width:850px}.narrow-panel hr{border:0;border-top:1px solid var(--line);margin:26px 0}.user-list{display:grid}.user-row{display:grid;grid-template-columns:auto 1fr auto;gap:13px;align-items:center;padding:14px 0;border-top:1px solid #edf1f5}.user-row:first-child{border-top:0}.user-row>div:nth-child(2){display:grid;gap:4px}.user-status{display:flex;align-items:center;gap:8px}.user-status form{margin:0}.login-shell{min-height:100vh;display:grid;grid-template-columns:1.15fr .85fr;background:linear-gradient(135deg,#062e5d 0%,#07509b 55%,#0b6ad0 100%)}.login-hero{color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px}.login-logo{width:86px;height:86px;border-radius:26px;background:#fff;color:var(--navy);display:grid;place-items:center;font-size:50px;font-weight:900;box-shadow:0 20px 70px rgba(0,0,0,.2)}.login-hero h1{font-size:42px;margin:24px 0 6px}.login-hero p{font-size:18px;opacity:.8}.login-card{background:#fff;margin:auto;width:min(430px,86%);padding:34px;border-radius:20px;box-shadow:0 25px 80px rgba(3,24,52,.28)}.login-card h2{font-size:28px;margin:0 0 8px}.login-card form{display:grid;gap:10px;margin-top:20px}.login-card label{font-size:13px;font-weight:bold;color:#40536b}.login-card input{padding:13px;border:1px solid #dae3ee;border-radius:10px}.demo-box{margin-top:20px;background:#f5f8fc;border-radius:10px;padding:12px;display:grid;gap:3px;color:#5c6c80;font-size:12px}.demo-box b{color:#2c405b}.error-page{text-align:center;padding:12vh 20px}.error-page strong{font-size:70px;color:var(--blue)}.error-page h1{font-size:24px;margin:12px 0 28px}
@media(max-width:980px){.sidebar{transform:translateX(100%);transition:.2s}.menu-open .sidebar{transform:translateX(0)}.page-wrap{margin-right:0}.menu-btn{display:block}.topbar{padding:0 16px}.page-wrap main{padding:20px 14px}.stat-grid{grid-template-columns:1fr 1fr}.layout-two,.customer-layout{grid-template-columns:1fr}.login-shell{grid-template-columns:1fr}.login-hero{min-height:34vh}.login-card{margin:-24px auto 40px;z-index:2}.details-panel{grid-template-columns:1fr}}
@media(max-width:620px){.page-head{align-items:flex-start;flex-direction:column}.page-head h1{font-size:25px}.stat-grid,.stat-grid.three{grid-template-columns:1fr 1fr}.stat-card{padding:16px}.stat-card strong{font-size:20px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.customer-row{grid-template-columns:auto 1fr}.customer-balance{grid-column:2;text-align:right}.user-row{grid-template-columns:auto 1fr}.user-status{grid-column:2}.login-hero h1{font-size:32px}.login-card{padding:24px}}
.wide-info{margin:0 0 18px 0}.narrow-panel{max-width:720px}.inline-btn{display:inline-block;text-decoration:none}.stat-card small{display:block;margin-top:6px;color:#7b8799;font-size:12px}

.badge.payout{background:#fff4e5;color:#a55b00}

/* v0.7 */
.customer-row{grid-template-columns:auto minmax(0,1fr) auto;align-items:start}
.customer-ops{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.op-chip{display:inline-flex;align-items:center;padding:5px 8px;border-radius:999px;font-size:11px;font-weight:bold;background:#f2f5f9;color:#516174;border:1px solid #e4eaf2}
.op-chip.payment{background:var(--greenbg);color:var(--green);border-color:#d4efdf}
.op-chip.payout{background:#fff4e5;color:#a55b00;border-color:#f5dfbd}
.op-chip.debt{background:var(--redbg);color:var(--red);border-color:#f2d5d8}
.no-ops{font-size:11px;color:#98a3b1}
.filter-panel{margin-bottom:18px}.filter-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;align-items:end}.filter-actions{display:flex;gap:8px;align-items:center}.filter-actions .btn,.filter-actions button{flex:1}.report-stats{margin-top:18px}
@media(max-width:1100px){.filter-grid{grid-template-columns:1fr 1fr}.filter-actions{grid-column:1/-1}}
@media(max-width:620px){.filter-grid{grid-template-columns:1fr}.filter-actions{grid-column:auto}.customer-row{grid-template-columns:auto 1fr}.customer-balance{grid-column:2}.customer-ops{margin-top:8px}}

/* v0.8 exports and receipts */
.page-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.export-actions{display:flex;gap:8px;align-items:center}.export-btn{border:0;border-radius:10px;padding:11px 18px;font-weight:bold;cursor:pointer}.export-btn.excel{background:#e8f6ee;color:#087744}.export-btn.pdf{background:#fff0f1;color:#b42129}.voucher-link{color:#0a60c8;font-weight:bold;text-decoration:underline;text-decoration-color:#b9d4f4;text-underline-offset:3px}.voucher-link:hover{color:#083f7e}.filter-grid .export-actions{align-self:end}
@media(max-width:620px){.page-actions{width:100%}.page-actions .btn{flex:1}.export-actions{width:100%}.export-actions button{flex:1}}

/* v0.9 customer list summary */
.customer-summary{display:grid;grid-template-columns:repeat(3,minmax(125px,1fr));gap:8px;min-width:465px}
.customer-summary>div{background:#f8fafc;border:1px solid #edf1f6;border-radius:10px;padding:9px 11px;display:grid;gap:4px;text-align:center}
.customer-summary span{font-size:11px;color:var(--muted);white-space:nowrap}
.customer-summary strong{font-size:15px;white-space:nowrap}
@media(max-width:900px){.customer-row{grid-template-columns:auto 1fr}.customer-summary{grid-column:2;min-width:0;width:100%;grid-template-columns:repeat(3,1fr);margin-top:5px}}
@media(max-width:620px){.customer-summary{grid-template-columns:1fr}.customer-summary>div{grid-template-columns:1fr auto;align-items:center;text-align:right}.customer-summary strong{text-align:left}}

/* v1.0 */
.logo-mark{overflow:hidden;padding:5px}.logo-mark img{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px}.logo-preview{width:130px;height:90px;border:1px solid var(--line);border-radius:12px;background:#fff;display:grid;place-items:center;padding:8px}.logo-preview img{max-width:100%;max-height:100%;object-fit:contain}.dashboard-section{margin-top:18px}.section-title{margin:24px 0 12px}.backup-note{font-size:12px;color:var(--muted)}

/* v1.2 corrections */
.danger-btn{border:1px solid #f0c8cc}.field .hint{line-height:1.5}

/* v1.3 production preparation / PWA */
.topbar-brand{display:flex;gap:10px;align-items:baseline}.install-app-btn{margin-right:auto;border:1px solid #cfe0f4;background:#eef5fd;color:#0a58b4;border-radius:9px;padding:8px 12px;font-weight:bold;cursor:pointer}.install-app-btn:hover{background:#e2eefc}
@media(max-width:620px){.install-app-btn{font-size:12px;padding:7px 9px}.topbar-brand b{max-width:145px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}