:root{
  --bg:#F5F6FA; --surface:#FFFFFF; --surface-2:#F1F3F9; --ink:#1E2748; --ink-soft:#4B577C; --ink-faint:#7B84A6;
  --accent:#02608D; --accent-soft:#DCEEF5; --line:#DCE1EC; --line-strong:#C0C8DC;
  --ok:#1E8A5F; --ok-soft:#E1F5EC; --warn:#A6690C; --warn-soft:#FBEEDB;
  --danger:#B0413E; --danger-soft:#F7E4E3; --closed:#0B6E6E; --closed-soft:#DFF2F2;
  --muted:#6B7394; --muted-soft:#EBEDF4;
  --biz-hellaspos:#02608D; --biz-jktech:#5B4FE0; --biz-diana:#C1537A; --biz-kastro:#0E8F8F; --biz-algorithmos:#B8860B; --biz-personal:#6B7394;
  --font-display:'IBM Plex Sans','Segoe UI',Roboto,sans-serif;
  --font-body:'Inter','Segoe UI',system-ui,-apple-system,Roboto,sans-serif;
  --font-mono:'IBM Plex Mono','SFMono-Regular',Consolas,monospace;
  --radius:12px; color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0B0E1A; --surface:#161B2E; --surface-2:#1C2238; --ink:#EAEDF7; --ink-soft:#AEB6D6; --ink-faint:#7C84AA;
    --accent:#4FC3E8; --accent-soft:#173247; --line:#262C42; --line-strong:#333B56;
    --ok:#4ADE9C; --ok-soft:#123326; --warn:#E8B75B; --warn-soft:#3A2A12;
    --danger:#F2857F; --danger-soft:#3A1917; --closed:#5FD8D8; --closed-soft:#0F2E2E;
    --muted:#9AA2C4; --muted-soft:#1C2238;
    --biz-hellaspos:#4FC3E8; --biz-jktech:#9A93F5; --biz-diana:#F0A0BE; --biz-kastro:#57D9D9; --biz-algorithmos:#E0B84F; --biz-personal:#9AA2C4;
    color-scheme:dark;
  }
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto;} *{animation-duration:.01ms !important; transition-duration:.01ms !important;} }
body{margin:0; background:var(--bg); color:var(--ink); font:15px/1.5 var(--font-body); padding:28px 20px 60px;}
.wrap{max-width:1080px; margin-inline:auto;}
.wrap.narrow{max-width:460px; padding-top:40px;}
a{color:var(--accent);}
header{display:flex; flex-wrap:wrap; gap:16px; align-items:flex-end; justify-content:space-between; margin-bottom:22px;}
.h-title{font-family:var(--font-display); font-weight:700; font-size:clamp(1.4rem,1vw + 1.2rem,1.8rem); margin:0 0 4px;}
.h-sub{color:var(--ink-soft); margin:0; font-size:.92rem;}
.h-actions{display:flex; gap:10px; flex-wrap:wrap; align-items:center;}
.who-am-i{color:var(--ink-soft); font-size:.85rem;}
.btn{font:inherit; font-weight:600; font-size:.88rem; border-radius:9px; padding:10px 16px; border:1px solid transparent; cursor:pointer; display:inline-flex; align-items:center; gap:7px; text-decoration:none; transition:transform .08s ease, filter .12s ease;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent); color:var(--surface);}
.btn-primary:hover{filter:brightness(1.08);}
.btn-ghost{background:var(--surface); color:var(--ink); border-color:var(--line-strong);}
.btn-ghost:hover{background:var(--surface-2);}
.btn:focus-visible{outline:2px solid var(--accent); outline-offset:2px;}
.btn svg{flex:none;}
form.inline{display:inline;}

.stats{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-bottom:20px;}
.stat{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:14px 16px;}
.stat .n{font-family:var(--font-mono); font-variant-numeric:tabular-nums; font-size:1.6rem; font-weight:600; line-height:1;}
.stat .l{color:var(--ink-soft); font-size:.78rem; margin-top:6px;}
.stat.due .n{color:var(--warn);}

.filters{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:14px; margin-bottom:16px; display:flex; flex-direction:column; gap:12px;}
.chips{display:flex; flex-wrap:wrap; gap:8px;}
.chip{font:inherit; font-size:.82rem; font-weight:600; padding:7px 13px; border-radius:999px; border:1px solid var(--line-strong); background:var(--surface); color:var(--ink-soft); cursor:pointer; display:inline-flex; align-items:center; gap:6px;}
.chip .dot{width:8px; height:8px; border-radius:50%; flex:none;}
.chip[aria-pressed="true"]{background:var(--accent); border-color:var(--accent); color:var(--surface);}
.chip[aria-pressed="true"] .dot{background:var(--surface) !important;}
.chip .count{font-family:var(--font-mono); opacity:.75; font-size:.76rem;}
.search-row{display:flex; gap:10px; flex-wrap:wrap;}
.search-row input[type="search"]{flex:1; min-width:180px; font:inherit; padding:9px 12px; border-radius:8px; border:1px solid var(--line-strong); background:var(--bg); color:var(--ink);}
select.status-filter{font:inherit; font-size:.85rem; padding:9px 10px; border-radius:8px; border:1px solid var(--line-strong); background:var(--bg); color:var(--ink);}

.list{display:flex; flex-direction:column; gap:8px;}
.empty{background:var(--surface); border:1px dashed var(--line-strong); border-radius:var(--radius); padding:44px 20px; text-align:center; color:var(--ink-soft);}
.empty .big{font-family:var(--font-display); font-weight:600; color:var(--ink); font-size:1.05rem; margin-bottom:6px;}
.row{background:var(--surface); border:1px solid var(--line); border-radius:10px; overflow:hidden;}
.row.is-due{border-color:var(--warn);}
.row-main{display:grid; grid-template-columns:1.6fr 1fr .9fr .95fr auto; gap:14px; align-items:center; padding:13px 14px; cursor:pointer;}
.row-main:focus-visible{outline:2px solid var(--accent); outline-offset:-2px;}
.who{display:flex; align-items:flex-start; gap:9px; min-width:0;}
.who .dot{width:9px; height:9px; border-radius:50%; margin-top:6px; flex:none;}
.who .name{font-weight:600; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;}
.who .biz{font-size:.76rem; color:var(--ink-faint);}
.phone{font-family:var(--font-mono); font-size:.86rem; color:var(--ink-soft); overflow:hidden; text-overflow:ellipsis; white-space:nowrap;}
.next{font-size:.84rem;}
.next .rel{font-weight:600;}
.next.is-due .rel{color:var(--warn);}
.next .abs{color:var(--ink-faint); font-size:.76rem; font-family:var(--font-mono);}
.pill{display:inline-flex; align-items:center; font-size:.78rem; font-weight:600; padding:5px 11px; border-radius:999px; white-space:nowrap; justify-self:start;}
.pill.tone-muted{background:var(--muted-soft); color:var(--muted);}
.pill.tone-ok{background:var(--ok-soft); color:var(--ok);}
.pill.tone-warn{background:var(--warn-soft); color:var(--warn);}
.pill.tone-danger{background:var(--danger-soft); color:var(--danger);}
.pill.tone-closed{background:var(--closed-soft); color:var(--closed);}
.row-actions{display:flex; align-items:center; gap:4px;}
.icon-btn{width:30px; height:30px; border-radius:7px; border:1px solid transparent; background:transparent; color:var(--ink-faint); display:flex; align-items:center; justify-content:center; cursor:pointer;}
.icon-btn:hover{background:var(--surface-2); color:var(--ink);}
.icon-btn:focus-visible{outline:2px solid var(--accent); outline-offset:1px;}
.chev{transition:transform .15s ease; color:var(--ink-faint);}
.row.is-open .chev{transform:rotate(180deg);}
.row-detail{display:none; padding:2px 14px 16px 37px; border-top:1px solid var(--line); font-size:.88rem; color:var(--ink-soft);}
.row.is-open .row-detail{display:block;}
.row-detail dl{margin:10px 0 0; display:grid; grid-template-columns:auto 1fr; gap:6px 12px;}
.row-detail dt{color:var(--ink-faint); font-size:.78rem; padding-top:1px;}
.row-detail dd{margin:0; color:var(--ink); white-space:pre-wrap;}
@media (max-width:760px){
  .row-main{grid-template-columns:1fr auto; grid-template-areas:"who actions" "next status"; row-gap:10px;}
  .who{grid-area:who;} .row-actions{grid-area:actions;}
  .next{grid-area:next;} .pill{grid-area:status; justify-self:end;}
  .phone{display:none;}
  .row-detail{padding-left:14px;}
  .stats{grid-template-columns:1fr 1fr;}
  .stats .stat:last-child{grid-column:1 / -1;}
}

dialog{border:none; border-radius:14px; padding:0; background:var(--surface); color:var(--ink); width:min(520px, calc(100vw - 32px)); box-shadow:0 30px 70px -20px rgba(15,20,36,.4);}
dialog::backdrop{background:rgba(10,14,26,.5);}
.modal-head{padding:18px 20px 4px; display:flex; align-items:center; justify-content:space-between;}
.modal-head h2{font-family:var(--font-display); font-size:1.1rem; margin:0;}
.modal-close{background:transparent; border:none; color:var(--ink-faint); cursor:pointer; padding:6px; border-radius:7px;}
.modal-close:hover{background:var(--surface-2);}
form.contact-form{padding:14px 20px 20px; display:flex; flex-direction:column; gap:13px;}
.panel form.contact-form, .auth-card form.contact-form{padding:14px 0 4px;}
.field{display:flex; flex-direction:column; gap:5px;}
.field label{font-size:.8rem; font-weight:600; color:var(--ink-soft);}
.field input, .field textarea, .field select{font:inherit; padding:9px 11px; border-radius:8px; border:1px solid var(--line-strong); background:var(--bg); color:var(--ink); width:100%;}
.field input:focus-visible, .field textarea:focus-visible, .field select:focus-visible{outline:2px solid var(--accent); outline-offset:1px;}
.field textarea{resize:vertical; min-height:56px; font-family:inherit;}
.biz-picker{display:flex; flex-wrap:wrap; gap:7px;}
.biz-opt{font:inherit; font-size:.82rem; font-weight:600; padding:7px 12px; border-radius:999px; border:1px solid var(--line-strong); background:var(--surface); color:var(--ink-soft); cursor:pointer; display:inline-flex; align-items:center; gap:6px;}
.biz-opt .dot{width:8px; height:8px; border-radius:50%;}
.biz-opt[aria-pressed="true"]{background:var(--accent-soft); border-color:var(--accent); color:var(--ink);}
.row2{display:grid; grid-template-columns:1fr 1fr; gap:13px;}
@media (max-width:480px){.row2{grid-template-columns:1fr;}}
.modal-actions{display:flex; justify-content:space-between; align-items:center; margin-top:4px;}
.modal-actions .right{display:flex; gap:8px;}
.danger-link{background:none; border:none; color:var(--danger); font:inherit; font-size:.85rem; font-weight:600; cursor:pointer; padding:8px 4px;}
.toast{position:fixed; bottom:20px; left:50%; transform:translateX(-50%) translateY(8px); background:var(--ink); color:var(--bg); padding:11px 18px; border-radius:9px; font-size:.86rem; opacity:0; pointer-events:none; transition:opacity .18s ease, transform .18s ease; z-index:50;}
.toast.show{opacity:1; transform:translateX(-50%) translateY(0);}
[hidden]{display:none !important;}

/* Σελίδες σύνδεσης / διαχείρισης */
.auth-card, .panel{background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:24px; margin-bottom:16px;}
.panel h2{font-family:var(--font-display); font-size:1.05rem; margin:0 0 6px; display:flex; flex-wrap:wrap; gap:8px; align-items:center;}
.alert{background:var(--danger-soft); color:var(--danger); border-radius:9px; padding:10px 14px; margin:12px 0; font-size:.88rem;}
.alert.ok{background:var(--ok-soft); color:var(--ok);}
.tag{font-size:.7rem; font-weight:600; padding:3px 8px; border-radius:999px; background:var(--muted-soft); color:var(--muted);}
.tag.off{background:var(--danger-soft); color:var(--danger);}
.biz-checks{display:flex; flex-wrap:wrap; gap:6px 16px;}
.chk{display:inline-flex; align-items:center; gap:7px; font-size:.88rem; color:var(--ink);}
ul.plain{padding-left:18px; color:var(--ink-soft);}