:root{
    --navy:#11243f;--blue:#2878ff;--sky:#e9f4ff;--green:#dff6e8;
    --gray:#e8ebef;--red:#ffe1e1;--ink:#142033;--muted:#6b778c;
    --bg:#f4f7fb;--white:#fff;--shadow:0 12px 35px #23395d18
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:var(--bg)}
button,input,select,textarea{font:inherit}
.hidden{display:none!important}

.auth-layout{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr}
.brand-panel{
    background:linear-gradient(145deg,#102745,#205daa);
    color:white;padding:10vh 8vw;position:relative;overflow:hidden
}
.brand-panel:after{
    content:"";position:absolute;width:430px;height:430px;border-radius:50%;
    background:#ffffff10;right:-100px;bottom:-160px
}

/* Etusivun logo + tekstit */
.hero-header{
    display:flex;
    align-items:stretch;
    gap:40px;
    width:100%;
    max-width:1100px;
}
.brand-logo{
    flex:0 0 auto;
    display:flex;
    align-items:flex-start;
}
.site-logo{
    display:block;
    width:auto !important;
    max-width:320px;
    max-height:320px;
    height:auto;
    object-fit:contain;
    object-position:left top;
}
.brand-text{
    flex:1;
    min-width:0;
    display:flex;
    flex-direction:column;
    height:320px;
}
.brand-text h1{
    margin:0;
    flex:1;
    display:flex;
    align-items:flex-start;
    font-size:clamp(2.3rem,4vw,4.5rem);
    line-height:1.05;
    max-width:650px;
}
.brand-text p{
    margin:0;
    flex:1;
    display:flex;
    align-items:flex-start;
    font-size:1.15rem;
    line-height:1.7;
    max-width:590px;
    color:#d9e8ff;
}
.hero-graphic{display:flex;gap:18px;margin-top:65px}
.hero-graphic span{
    width:86px;height:86px;border-radius:24px;background:#ffffff18;
    border:1px solid #ffffff2b;display:grid;place-items:center;
    font-size:2rem;backdrop-filter:blur(8px)
}

.logo{
    width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
    background:linear-gradient(135deg,#4da3ff,#7857ff);color:#fff;font-weight:900;
    box-shadow:0 9px 20px #001b4455
}
.auth-card{
    margin:auto;width:min(480px,87%);background:white;padding:38px;
    border-radius:26px;box-shadow:var(--shadow)
}
.tabs{display:flex;background:#f0f4fa;border-radius:13px;padding:4px;margin-bottom:30px}
.tabs button{
    flex:1;border:0;padding:11px;border-radius:10px;background:transparent;
    color:var(--muted);cursor:pointer
}
.tabs button.active{background:white;color:var(--ink);box-shadow:0 3px 10px #23395d15}
label{display:grid;gap:7px;margin:14px 0;font-size:.9rem;font-weight:650}
input,select,textarea{
    border:1px solid #dce3ec;border-radius:11px;padding:12px;background:#fff;
    color:var(--ink);outline:none
}
input:focus,select:focus,textarea:focus{border-color:#6fa5ff;box-shadow:0 0 0 3px #2878ff18}
textarea{min-height:92px;resize:vertical}
.primary,.secondary,.danger{border:0;border-radius:11px;padding:12px 16px;cursor:pointer;font-weight:750}
.primary{background:var(--blue);color:white}
.secondary{background:#eaf0f8;color:#23395d}
.danger{background:#ffe5e5;color:#ab2525}
.auth-card .primary{width:100%;margin-top:12px}

.auth-message{padding:12px 14px;margin-bottom:18px;border-radius:11px;font-weight:650;line-height:1.45}
.auth-message.success{color:#12643a;background:#e4f7ec;border:1px solid #9ed8b9}
.auth-message.error{color:#9e2020;background:#ffeded;border:1px solid #f0b2b2}
.link-button{
    display:block;width:100%;margin-top:14px;padding:8px;border:0;
    background:transparent;color:var(--blue);cursor:pointer;font-weight:700
}
.link-button:hover{text-decoration:underline}

.app{display:grid;grid-template-columns:245px 1fr;min-height:100vh}
aside{background:var(--navy);color:white;padding:24px 17px;display:flex;flex-direction:column}
.aside-brand{display:flex;align-items:center;gap:12px;padding:5px 10px 36px;font-size:1.1rem}
nav{display:grid;gap:8px}
nav button,.logout{
    border:0;background:transparent;color:#b9c8db;padding:13px 14px;
    text-align:left;border-radius:11px;cursor:pointer
}
nav button:hover,nav button.active{background:#ffffff12;color:white}
.logout{margin-top:auto}
main{padding:26px 34px;min-width:0}
header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
header h1{margin:5px 0;font-size:1.8rem}
header small{color:var(--muted)}
#companyBadge{background:white;padding:10px 14px;border-radius:13px;box-shadow:var(--shadow);font-weight:700}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:22px}
.stat,.panel,.entity-card,.purchase-card{background:white;border-radius:18px;box-shadow:var(--shadow)}
.stat{padding:22px;position:relative;overflow:hidden}
.stat b{display:block;font-size:1.7rem;margin-top:8px}
.stat small{color:var(--muted)}
.stat i{position:absolute;right:17px;top:17px;background:#eef5ff;padding:10px;border-radius:12px;font-style:normal}
.panel{padding:22px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.panel h2{margin:0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px}
.entity-card{padding:18px;border:1px solid transparent;cursor:pointer}
.entity-card:hover{border-color:#9cc0ff;transform:translateY(-1px)}
.entity-card h3{margin:5px 0}
.entity-card p{color:var(--muted);margin:8px 0}
.badge{display:inline-flex;padding:5px 9px;border-radius:20px;font-size:.78rem;font-weight:750;background:#eef3fa}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.toolbar input,.toolbar select{padding:10px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.form-grid .wide{grid-column:1/-1}

.modal{position:fixed;inset:0;background:#0e1f38aa;display:grid;place-items:center;padding:20px;z-index:20}
.modal-card{
    background:white;width:min(700px,96vw);max-height:90vh;overflow:auto;
    border-radius:22px;padding:27px;position:relative;box-shadow:0 25px 70px #00163166
}
.modal-close{position:absolute;right:15px;top:12px;border:0;background:transparent;font-size:2rem;cursor:pointer}
.modal-actions{display:flex;justify-content:flex-end;align-items:center;gap:10px;margin-top:24px}

.danger-solid{background:#c62828;color:#ffffff}
.danger-solid:hover{background:#a91f1f}

.invoice-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.invoice-card{position:relative;min-height:180px}
.invoice-card .money{margin-top:18px}
.invoice-card:focus{outline:3px solid var(--blue);outline-offset:3px}
.customer-invoices-panel{margin-top:22px}

.reference-options{border:1px solid #dce3ec;border-radius:11px;padding:14px;margin:10px 0}
.reference-options legend{font-weight:700;padding:0 8px}
.radio-line{display:flex;align-items:center;gap:10px;margin:8px 0;cursor:pointer}
.radio-line input[type="radio"]{width:auto;margin:0}
#customReferenceField{margin-top:10px}

.purchase-card{
    padding:16px;border-left:5px solid #a5d7ff;display:grid;
    grid-template-columns:auto 1fr auto;gap:14px;align-items:center;cursor:pointer
}
.purchase-card.status-invoiced{background:var(--green);border-color:#3ebd75}
.purchase-card.status-paid{background:var(--gray);border-color:#8a95a5}
.purchase-card.status-cancelled{background:var(--red);border-color:#e25353}
.purchase-card.selected{outline:3px solid var(--blue)}
.purchase-card h3{margin:0 0 5px}
.purchase-card p{margin:2px 0;color:var(--muted)}
.money{font-weight:850;font-size:1.12rem;white-space:nowrap}
.purchase-list{display:grid;gap:12px}

.customer-head{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:18px}
.filter-pills{display:flex;gap:7px;flex-wrap:wrap}
.filter-pills button{border:0;border-radius:20px;padding:8px 11px;cursor:pointer;background:#e7eef7}
.filter-pills button.active{background:var(--navy);color:white}
#toast{position:fixed;right:20px;top:20px;z-index:100}
.toast{background:#14243a;color:white;padding:12px 16px;margin-bottom:8px;border-radius:11px;box-shadow:var(--shadow)}
.empty{text-align:center;color:var(--muted);padding:45px 15px}

.invoice-sheet{
    background:#fff;color:#111;width:210mm;min-height:297mm;margin:0 auto;
    padding:16mm 15mm;font-family:Arial,sans-serif
}
.invoice-header{display:grid;grid-template-columns:1fr 1fr;gap:20mm;margin-bottom:12mm}
.invoice-title{font-size:30px;margin:0 0 8mm}
.invoice-meta{width:100%;border-collapse:collapse}
.invoice-meta td{padding:3px 0;vertical-align:top}
.invoice-meta td:first-child{font-weight:700;width:46%}
.invoice-parties{display:grid;grid-template-columns:1fr 1fr;gap:15mm;margin-bottom:10mm}
.invoice-lines{width:100%;border-collapse:collapse;table-layout:fixed}
.invoice-lines thead{display:table-header-group}
.invoice-lines th,.invoice-lines td{padding:7px 5px;border-bottom:1px solid #cfd5dc;text-align:left}
.invoice-lines th:nth-child(2),.invoice-lines td:nth-child(2),
.invoice-lines th:nth-child(3),.invoice-lines td:nth-child(3),
.invoice-lines th:nth-child(4),.invoice-lines td:nth-child(4){text-align:right}
.invoice-lines tr{break-inside:avoid;page-break-inside:avoid}
.invoice-total{margin:10mm 0 0 auto;width:75mm;border-collapse:collapse}
.invoice-total td{padding:5px}
.invoice-total td:last-child{text-align:right;font-weight:800}
.invoice-payment{margin-top:12mm;border-top:2px solid #111;padding-top:6mm;break-inside:avoid;page-break-inside:avoid}
.invoice-actions{display:flex;justify-content:flex-end;gap:10px;margin:0 auto 16px;width:min(210mm,100%)}

@page{size:A4;margin:0}
@media print{
    body{background:#fff}
    .invoice-actions{display:none!important}
    .invoice-sheet{width:210mm;min-height:297mm;margin:0;padding:15mm;box-shadow:none}
    .invoice-lines thead{display:table-header-group}
    .invoice-lines tfoot{display:table-footer-group}
}

@media(max-width:800px){
    .auth-layout{grid-template-columns:1fr}
    .brand-panel{display:none}
    .app{grid-template-columns:1fr}
    aside{
        position:sticky;top:0;z-index:10;padding:10px;flex-direction:row;
        align-items:center;overflow:auto
    }
    .aside-brand b,.logout{display:none}
    .aside-brand{padding:0 5px}
    nav{display:flex}
    .stats{grid-template-columns:1fr}
    .form-grid{grid-template-columns:1fr}
    .form-grid .wide{grid-column:auto}
    main{padding:20px 14px}
    header{align-items:flex-start}
    .customer-head{align-items:flex-start;flex-direction:column}
    .purchase-card{grid-template-columns:auto 1fr}
    .purchase-card .money{grid-column:2}

    .hero-header{gap:20px}
    .brand-text{height:auto;min-height:220px}
    .site-logo{max-width:180px;max-height:220px}
    .brand-text h1,.brand-text p{display:block;flex:none}
    .brand-text h1{margin-bottom:16px}
}

@media(max-width:520px){
    .hero-header{flex-direction:column;gap:20px}
    .brand-text{min-height:0}
    .site-logo{max-width:220px;max-height:180px}
}