:root{
--navy:#062c52;--blue:#0964bf;--green:#55a935;--orange:#f47a20;--ink:#142033;
--muted:#6f7b8a;--line:#dfe6ee;--bg:#f4f7fb;--white:#fff;--danger:#c93643;
--radius:16px;--shadow:0 16px 40px rgba(15,43,73,.09)
}
*{box-sizing:border-box}html{font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:var(--bg)}
body{margin:0}.app-shell{min-height:100vh;display:grid;grid-template-columns:250px 1fr}
.sidebar{background:linear-gradient(180deg,#052744,#07365e);color:#fff;padding:22px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:12px;padding:0 8px 24px;border-bottom:1px solid rgba(255,255,255,.12)}
.brand img{width:58px;height:58px;object-fit:contain;background:#fff;border-radius:12px;padding:4px}.brand span{font-size:18px;line-height:1.1}.brand b{color:#ff8a35;text-transform:uppercase;font-size:12px;letter-spacing:2px}
.sidebar nav{display:grid;gap:8px;margin-top:24px}.sidebar nav a{color:#d9e6f2;text-decoration:none;padding:12px 14px;border-radius:10px;font-weight:600}.sidebar nav a:hover,.sidebar nav a.active{background:#0d67c5;color:#fff}
.sidebar-foot{margin-top:auto;border-top:1px solid rgba(255,255,255,.12);padding:18px 8px 0;display:flex;justify-content:space-between;font-size:14px}.sidebar-foot a{color:#fff}
.main{padding:28px 34px 50px;min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}.topbar h1{margin:0;font-size:30px}.topbar p{margin:5px 0 0;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;color:var(--ink);padding:11px 16px;border-radius:10px;text-decoration:none;font-weight:700;cursor:pointer}.btn.primary{background:linear-gradient(135deg,#0a6bd1,#0757aa);color:#fff;border:0}.btn.soft{background:#edf5ff;color:#0757aa;border-color:#cfe3fb}.button-row{display:flex;gap:10px;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:22px}.stat,.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.stat{padding:22px}.stat span,.stat small{display:block;color:var(--muted)}.stat strong{display:block;font-size:28px;margin:10px 0}
.panel{padding:22px;margin-bottom:22px}.panel h2{margin:0 0 16px;font-size:20px}.panel-head{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:18px}.panel-head h2{margin:0}.panel-head p{margin:5px 0 0;color:var(--muted)}.panel-head>a{color:var(--blue);font-weight:700}
.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:13px 12px;border-bottom:1px solid var(--line);font-size:14px}th{color:#526174;font-size:12px;text-transform:uppercase;letter-spacing:.04em;background:#f8fafc}td small{color:var(--muted)}.empty{text-align:center;padding:34px;color:var(--muted)}
.status{display:inline-block;padding:5px 9px;border-radius:999px;background:#eef2f6;font-size:12px;font-weight:800}.status.paid{background:#e6f8ed;color:#18753c}.status.pending,.status.sent{background:#fff3dc;color:#9a5b00}.status.cancelled{background:#fde9ec;color:#a7212d}
.text-link{color:var(--blue);font-weight:700;text-decoration:none}.danger-link{color:var(--danger);text-decoration:none}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.fields{display:grid;gap:15px}.fields.two{grid-template-columns:1fr 1fr}label{display:grid;gap:7px;font-size:13px;font-weight:700;color:#39485b}input,select,textarea{width:100%;border:1px solid #cfd9e4;border-radius:9px;padding:11px 12px;background:#fff;font:inherit;color:var(--ink)}input:focus,select:focus,textarea:focus{outline:3px solid #dbeeff;border-color:#0a68c7}.full{margin-top:18px}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.icon-btn{border:0;background:#fde8eb;color:#b8212e;border-radius:7px;width:32px;height:32px;font-size:20px;cursor:pointer}
.totals-editor{margin:18px 0 0 auto;max-width:360px;display:grid;gap:12px}.totals-editor>div{display:flex;justify-content:space-between;padding:5px 0}.totals-editor>div:last-child{border-top:2px solid var(--navy);font-size:18px}.alert{padding:13px 16px;border-radius:10px;margin-bottom:18px}.alert.error{background:#fde9ec;color:#9c1e2b}.alert.success{background:#e8f8ed;color:#176a38}
.login-page{min-height:100vh;background:linear-gradient(135deg,#052744 0%,#0a6ac7 55%,#55a935 100%);display:grid;place-items:center;padding:32px}.login-shell{width:min(980px,100%);display:grid;grid-template-columns:1.15fr .85fr;background:#fff;border-radius:24px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.24)}.login-brand{padding:54px;background:#f8fbff}.login-brand img{width:310px;max-width:100%;display:block;margin:0 auto 30px}.login-brand h1{font-size:38px;line-height:1.05;margin:0 0 16px;color:var(--navy)}.login-brand p{font-size:18px;line-height:1.6;color:var(--muted)}.login-card{padding:54px;display:flex;flex-direction:column;justify-content:center}.login-card h2{font-size:30px;margin:0}.login-card p{color:var(--muted)}.stack{display:grid;gap:16px;margin:20px 0}.login-card small{color:var(--muted)}
.document-page{background:#eaf0f6;padding:28px}.document-toolbar{max-width:980px;margin:0 auto 18px;display:flex;justify-content:space-between}.invoice-paper{width:210mm;min-height:297mm;margin:auto;background:#fff;padding:14mm;box-shadow:0 18px 55px rgba(15,36,58,.18);color:#142033}.invoice-head{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:4px solid var(--navy);padding-bottom:18px}.invoice-logo img{width:300px;max-height:150px;object-fit:contain}.invoice-title{text-align:right}.invoice-title h1{font-size:34px;color:var(--navy);margin:0 0 8px}.invoice-title strong{display:inline-block;background:var(--blue);color:#fff;border-radius:999px;padding:8px 16px}.invoice-title p{color:var(--muted)}
.invoice-parties{display:grid;grid-template-columns:1fr 1fr;gap:50px;margin:26px 0}.invoice-parties>div:last-child{text-align:right}.invoice-parties h3,.invoice-bottom h3{color:var(--navy);margin-bottom:8px}.invoice-parties p,.invoice-bottom p{line-height:1.55;margin:5px 0}
.invoice-section{margin:22px 0}.invoice-section>h3{margin:0;background:var(--navy);color:#fff;padding:10px 12px;border-radius:8px 8px 0 0}.booking-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;border:1px solid var(--line);padding:16px}.booking-grid span{display:block;color:var(--muted);font-size:12px}.booking-grid strong{display:block;margin-top:5px;font-size:13px}.invoice-table th{background:#eef4fa}.invoice-totals{margin-left:auto;width:340px;border:1px solid var(--line);border-radius:8px;overflow:hidden}.invoice-totals>div{display:flex;justify-content:space-between;padding:10px 14px}.invoice-totals .grand{background:#eaf3ff;color:#064c98;font-size:18px}.invoice-bottom{display:grid;grid-template-columns:1fr 1fr;gap:42px;margin-top:32px}.invoice-paper footer{margin:32px -14mm -14mm;background:var(--navy);color:#fff;text-align:center;padding:18px;font-size:18px;font-style:italic}

.document-type-panel{display:flex;align-items:center;justify-content:space-between;gap:28px;border-left:5px solid var(--orange)}.document-type-panel h2{margin:0 0 7px}.document-type-panel p{margin:0;color:var(--muted)}.document-type-select{min-width:260px}.document-type-select select{font-size:17px;font-weight:800;color:var(--navy);border:2px solid #9fc8ee;background:#f5faff}
@media(max-width:950px){.app-shell{grid-template-columns:1fr}.sidebar{height:auto;position:relative}.sidebar nav{grid-template-columns:repeat(2,1fr)}.main{padding:22px}.stats{grid-template-columns:repeat(2,1fr)}.form-grid{grid-template-columns:1fr}.document-page{padding:0}.document-toolbar{padding:14px;position:sticky;top:0;background:#fff;z-index:2}.invoice-paper{width:100%;min-height:auto;box-shadow:none}.booking-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.document-type-panel{align-items:stretch;flex-direction:column}.document-type-select{min-width:0}.stats{grid-template-columns:1fr}.fields.two{grid-template-columns:1fr}.topbar{align-items:flex-start;gap:15px;flex-direction:column}.login-shell{grid-template-columns:1fr}.login-brand{display:none}.login-card{padding:34px}.sidebar nav{grid-template-columns:1fr 1fr}.invoice-parties,.invoice-bottom{grid-template-columns:1fr}.invoice-parties>div:last-child{text-align:left}.document-toolbar{flex-direction:column;gap:10px}.invoice-logo img{width:190px}.invoice-title h1{font-size:25px}}
@media print{.no-print{display:none!important}.document-page{padding:0;background:#fff}.invoice-paper{box-shadow:none;width:100%;min-height:auto;padding:10mm}.invoice-paper footer{margin-left:-10mm;margin-right:-10mm;margin-bottom:-10mm}}

/* Installer and production controls */
.installer-shell{width:min(820px,100%);background:#fff;border-radius:24px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.24)}
.installer-header{display:flex;align-items:center;gap:24px;padding:28px 34px;background:#f8fbff;border-bottom:1px solid var(--line)}
.installer-header img{width:170px;height:95px;object-fit:contain;background:#fff;border-radius:14px;padding:6px}
.installer-header h1{margin:0;color:var(--navy);font-size:30px}.installer-header p{margin:6px 0 0;color:var(--muted)}
.installer-card{padding:34px}.installer-card h2{margin:0 0 18px;color:var(--navy)}
.check-list{display:grid;gap:9px;margin-bottom:22px}.check-item{display:grid;grid-template-columns:34px 1fr auto;align-items:center;gap:10px;padding:11px 13px;border:1px solid var(--line);border-radius:10px}.check-item span{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;font-weight:900}.check-item em{font-style:normal;font-size:12px;font-weight:800}.check-item.ok span{background:#e5f7eb;color:#18753c}.check-item.ok em{color:#18753c}.check-item.bad{border-color:#f2b9c0;background:#fff8f9}.check-item.bad span{background:#fde2e6;color:#a7212d}.check-item.bad em{color:#a7212d}
.install-success-mark{width:74px;height:74px;border-radius:50%;display:grid;place-items:center;margin:0 auto 18px;background:#e5f7eb;color:#18753c;font-size:40px;font-weight:900}.installer-card:has(.install-success-mark){text-align:center}.installer-note{color:var(--muted);font-size:13px;margin-top:20px}.installer-note code{background:#eef3f8;padding:2px 5px;border-radius:5px}
.btn:disabled{opacity:.55;cursor:not-allowed}.sidebar-foot-stack{align-items:center}.sidebar-foot-stack form{margin:0}.logout-button,.danger-button{border:0;background:transparent;padding:0;cursor:pointer;font:inherit;text-decoration:underline}.logout-button{color:#fff}.danger-button{color:var(--danger)}
.row-actions{display:flex;align-items:center;gap:8px}.row-actions form{margin:0}.narrow-panel{max-width:620px}.muted{color:var(--muted)}
@media(max-width:620px){.installer-header{align-items:flex-start;flex-direction:column}.installer-header img{width:150px}.installer-card{padding:25px}.check-item{grid-template-columns:30px 1fr}.check-item em{grid-column:2}.sidebar-foot-stack{align-items:flex-start}}