:root{
  --bg:#e9edf1; --surface:#fff; --ink:#141c24; --muted:#5d6b78; --line:#d5dde4;
  --copper:#a1552a; --copper-soft:#f4e7de; --steel:#0e6d80; --danger:#a32b2b;
  --shadow:0 1px 2px rgba(20,28,36,.06),0 8px 24px rgba(20,28,36,.08);
  --sans:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'SF Mono',Menlo,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);
  -webkit-text-size-adjust:100%;padding-bottom:env(safe-area-inset-bottom)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
[hidden]{display:none !important}

/* ---------- Κεφαλίδα ---------- */
.top{position:sticky;top:0;z-index:30;background:var(--ink);color:#f2f5f8;
  padding:calc(10px + env(safe-area-inset-top)) 12px 10px;
  box-shadow:0 2px 14px rgba(20,28,36,.25)}
.top-row{display:flex;align-items:center;gap:10px}
.top h1{font-size:16px;font-weight:600;margin:0;letter-spacing:.02em;flex:1;
  display:flex;align-items:baseline;gap:8px}
.count{font-family:var(--mono);font-size:12px;color:#8fa3b3;font-weight:400}
.icon-btn{color:inherit;width:38px;height:38px;border-radius:9px;
  display:grid;place-items:center;flex:none}
.icon-btn:hover{background:rgba(255,255,255,.09)}
.primary{background:var(--copper);color:#fff;border-radius:9px;padding:9px 14px;
  font-weight:600;font-size:14px;white-space:nowrap}
.primary:hover{background:#8d4823}
.primary[disabled]{opacity:.55;cursor:default}
.search-row{display:flex;gap:8px;margin-top:10px}
.search-wrap{position:relative;flex:1;display:flex;align-items:center}
.search-wrap .mag{position:absolute;left:10px;color:#7b8b99;pointer-events:none}
#q{width:100%;background:#202c37;border:1px solid #2f3d4a;border-radius:9px;
  padding:10px 32px 10px 34px;color:#f2f5f8;font-size:16px}
#q::placeholder{color:#7b8b99}
#q:focus{outline:2px solid var(--copper);outline-offset:-1px}
.clear-q{position:absolute;right:6px;color:#8fa3b3;font-size:20px;width:26px;height:26px;border-radius:6px}
#field{background:#202c37;border:1px solid #2f3d4a;border-radius:9px;padding:10px 8px;
  color:#f2f5f8;font-size:14px;max-width:44%}
.sortbar{display:flex;gap:8px;margin-top:8px;align-items:center;font-size:13px;color:#8fa3b3}
.sortbar select{background:#202c37;border:1px solid #2f3d4a;border-radius:8px;
  padding:7px 8px;color:#f2f5f8;font-size:13px;flex:1}
.dir-btn{background:#202c37;border:1px solid #2f3d4a;border-radius:8px;color:#f2f5f8;
  padding:7px 11px;font-family:var(--mono);font-size:13px}
@media(min-width:860px){.sortbar{display:none}}

/* ---------- Κάρτες ---------- */
main{padding:12px 12px 90px;max-width:1400px;margin:0 auto}
.cards{display:grid;gap:9px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;
  padding:11px 12px;box-shadow:var(--shadow);cursor:pointer;display:grid;gap:7px;
  text-align:left;width:100%}
.card:active{transform:scale(.995)}
.card-head{display:flex;align-items:baseline;gap:8px}
.brand{font-weight:700;font-size:15px;letter-spacing:.01em}
.model{font-size:14px;color:var(--muted);flex:1;min-width:0;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}
.yr{font-family:var(--mono);font-size:11px;color:var(--muted);background:#eef2f5;
  border-radius:5px;padding:2px 5px;flex:none}
.spec{font-family:var(--mono);font-size:13.5px;letter-spacing:-.01em;display:flex;
  flex-wrap:wrap;align-items:center;gap:0 7px;padding:7px 9px;background:#f5f8fa;
  border-left:3px solid var(--copper);border-radius:0 7px 7px 0}
.spec .sep{color:#a9b7c2}
.spec .dia{color:var(--copper);font-weight:600}
.spec .dims{color:var(--steel);font-weight:500}
.spec .empty{color:#a9b7c2}
.meta{display:flex;flex-wrap:wrap;gap:5px;font-size:12px}
.tag{background:#eef2f5;border-radius:6px;padding:3px 7px;color:var(--muted);
  display:inline-flex;gap:5px;align-items:center}
.tag b{font-weight:600;color:var(--ink);font-family:var(--mono);font-size:11.5px}
.tag.att{background:var(--copper-soft);color:#7c3f1d}
.note{font-size:12.5px;color:var(--muted);line-height:1.45;display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- Πίνακας ---------- */
.table-wrap{display:none;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow);overflow:auto;max-height:calc(100vh - 210px)}
table{border-collapse:separate;border-spacing:0;width:100%;font-size:13px}
thead th{position:sticky;top:0;z-index:2;background:#f5f8fa;text-align:left;
  padding:9px 10px;font-size:11.5px;font-weight:600;letter-spacing:.04em;
  text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--line);
  white-space:nowrap;cursor:pointer;user-select:none}
thead th:hover{color:var(--copper)}
thead th .arrow{font-family:var(--mono);opacity:.35;margin-left:3px}
thead th.on{color:var(--copper)} thead th.on .arrow{opacity:1}
tbody td{padding:8px 10px;border-bottom:1px solid #eef2f5;vertical-align:top}
tbody tr{cursor:pointer}
tbody tr:hover td{background:#f8fafc}
td.num{font-family:var(--mono);white-space:nowrap}
td.dia{font-family:var(--mono);color:var(--copper);font-weight:600;white-space:nowrap}
td.notes{color:var(--muted);max-width:280px;font-size:12.5px}
td.b{font-weight:600}
.clip{display:block;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.paper{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--copper);
  margin-left:5px;vertical-align:middle}
/* συμπαγής λίστα στο κινητό */
.view-btn{display:grid}
.cards.list{gap:0;background:var(--surface);border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow);overflow:hidden}
.cards.list .card{border:0;border-radius:0;box-shadow:none;padding:9px 11px;gap:3px;
  border-bottom:1px solid #eef2f5}
.cards.list .card:last-child{border-bottom:0}
.cards.list .card:active{background:#f5f8fa;transform:none}
.cards.list .brand{font-size:13.5px}
.cards.list .model{font-size:13px}
.cards.list .yr{font-size:10px;padding:1px 4px}
.cards.list .spec{background:none;border-left:0;padding:0;font-size:12px;gap:0 6px;
  border-radius:0;color:var(--muted)}
.cards.list .meta,.cards.list .note{display:none}
.cards.list .card.has-att .brand:after{content:'';display:inline-block;width:6px;height:6px;
  border-radius:50%;background:var(--copper);margin-left:5px;vertical-align:middle}

@media(min-width:860px){.cards{display:none}.table-wrap{display:block}.view-btn{display:none}}

.state{padding:40px 16px;text-align:center;color:var(--muted);font-size:14px}
.state b{display:block;font-size:16px;color:var(--ink);margin-bottom:6px}
.pager{display:flex;align-items:center;justify-content:center;gap:12px;padding:16px 0 0;
  font-size:13px;color:var(--muted)}
.pager button{background:var(--surface);border:1px solid var(--line);border-radius:8px;
  padding:8px 14px;font-size:13px;font-weight:500}
.pager button[disabled]{opacity:.4;cursor:default}

/* ---------- Φόρμα ---------- */
.backdrop{position:fixed;inset:0;background:rgba(20,28,36,.5);z-index:40}
.sheet{position:fixed;z-index:50;background:var(--surface);inset:auto 0 0 0;
  max-height:92dvh;border-radius:16px 16px 0 0;display:flex;flex-direction:column;
  box-shadow:0 -8px 40px rgba(20,28,36,.3);animation:up .22s ease-out}
@keyframes up{from{transform:translateY(14px);opacity:.6}to{transform:none;opacity:1}}
@media(prefers-reduced-motion:reduce){.sheet{animation:none}}
@media(min-width:860px){.sheet{inset:5vh auto 5vh 50%;transform:translateX(-50%);
  width:min(880px,94vw);border-radius:14px;max-height:90vh}}
.sheet-head{display:flex;align-items:center;gap:10px;padding:10px 12px;
  border-bottom:1px solid var(--line);background:var(--surface);border-radius:16px 16px 0 0}
.sheet-head h2{font-size:15px;margin:0;flex:1;font-weight:600}
.sheet-body{overflow:auto;padding:14px 14px 20px;-webkit-overflow-scrolling:touch}
.group{margin-bottom:18px}
.group>h3{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);
  margin:0 0 9px;font-weight:600;display:flex;align-items:center;gap:8px}
.group>h3:after{content:'';flex:1;height:1px;background:var(--line)}
.grid{display:grid;gap:10px;grid-template-columns:1fr}
@media(min-width:600px){.grid.c2{grid-template-columns:1fr 1fr}
  .grid.c3{grid-template-columns:1fr 1fr 1fr}}
.f label{display:block;font-size:12px;color:var(--muted);margin-bottom:4px;font-weight:500}
.f input,.f textarea{width:100%;background:#f8fafc;border:1px solid var(--line);
  border-radius:9px;padding:10px 11px;font-size:16px}
.f textarea{min-height:88px;resize:vertical;line-height:1.5;font-size:15px}
.f input:focus,.f textarea:focus{outline:2px solid var(--copper);outline-offset:-1px;background:#fff}
.f .hint{font-size:11px;color:var(--muted);margin-top:4px;font-family:var(--mono)}
.f.mono input{font-family:var(--mono)}
.unit{position:relative}
.unit .u{position:absolute;right:11px;top:50%;transform:translateY(-50%);
  font-family:var(--mono);font-size:12px;color:#96a5b1;pointer-events:none}
.unit input{padding-right:36px}
.files{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:8px}
.file{position:relative;border:1px solid var(--line);border-radius:10px;overflow:hidden;
  aspect-ratio:1;background:#f5f8fa;display:grid;place-items:center}
.file img{width:100%;height:100%;object-fit:cover;cursor:zoom-in}
.file a.pdf{display:grid;place-items:center;gap:4px;color:var(--danger);font-size:10px;
  font-family:var(--mono);text-align:center;padding:6px;line-height:1.3;text-decoration:none}
.file .x{position:absolute;top:4px;right:4px;background:rgba(20,28,36,.78);color:#fff;
  width:22px;height:22px;border-radius:50%;font-size:15px;line-height:1;
  display:grid;place-items:center}
.file.busy{opacity:.5}
.addfile{border:1.5px dashed var(--line);border-radius:10px;aspect-ratio:1;display:grid;
  place-items:center;gap:5px;color:var(--muted);font-size:11px;background:#fafcfd;
  text-align:center;padding:6px}
.addfile:hover{border-color:var(--copper);color:var(--copper);background:var(--copper-soft)}
.hint-line{font-size:11.5px;color:var(--muted);margin:8px 0 0}
.sheet-foot{padding:10px 14px calc(14px + env(safe-area-inset-bottom));
  border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.danger{color:var(--danger);font-size:13px;font-weight:600;padding:8px 0}
.stamp{font-size:11px;color:var(--muted);font-family:var(--mono)}

.toast{position:fixed;left:50%;transform:translateX(-50%);
  bottom:calc(22px + env(safe-area-inset-bottom));background:var(--ink);color:#fff;
  padding:11px 17px;border-radius:10px;font-size:14px;z-index:80;
  box-shadow:var(--shadow);max-width:88vw;text-align:center}
.lightbox{position:fixed;inset:0;background:rgba(10,14,18,.94);z-index:90;
  display:grid;place-items:center;padding:16px}
.lightbox img{max-width:100%;max-height:100%;border-radius:8px}
.lb-close{position:absolute;top:calc(10px + env(safe-area-inset-top));right:10px;color:#fff}

/* ---------- Σύνδεση και εγκατάσταση ---------- */
.login-body{display:grid;place-items:center;min-height:100dvh;background:var(--ink);padding:20px}
.login-card{background:var(--surface);border-radius:16px;padding:30px 26px;width:min(380px,94vw);
  box-shadow:0 20px 60px rgba(0,0,0,.35);text-align:center}
.brandmark{color:var(--copper);display:grid;place-items:center;margin-bottom:12px}
.login-card h1{font-size:20px;margin:0;font-weight:700}
.login-card .sub{color:var(--muted);font-size:13px;margin:4px 0 22px}
.login-card label{display:block;text-align:left;font-size:12px;color:var(--muted);margin-bottom:5px}
.login-card input{width:100%;background:#f8fafc;border:1px solid var(--line);border-radius:9px;
  padding:12px;font-size:16px;margin-bottom:14px}
.login-card input:focus{outline:2px solid var(--copper);outline-offset:-1px;background:#fff}
.login-card button{width:100%;background:var(--copper);color:#fff;border-radius:9px;
  padding:12px;font-weight:600;font-size:15px}
.err{background:#fdecec;color:var(--danger);border-radius:8px;padding:9px;font-size:13px;margin:0 0 14px}
.ok{background:#e8f5ec;color:#1d6b39;border-radius:8px;padding:9px;font-size:13px;margin:0 0 14px}
.setup{max-width:620px;margin:0 auto;padding:24px 16px 60px}
.setup h1{font-size:22px;margin:0 0 4px}
.setup .sub{color:var(--muted);font-size:13px;margin:0 0 22px}
.setup .box{background:var(--surface);border:1px solid var(--line);border-radius:12px;
  padding:18px;box-shadow:var(--shadow);margin-bottom:16px}
.setup h2{font-size:13px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);
  margin:0 0 12px}
.setup label{display:block;font-size:12px;color:var(--muted);margin:0 0 4px}
.setup input{width:100%;background:#f8fafc;border:1px solid var(--line);border-radius:9px;
  padding:10px 11px;font-size:16px;margin-bottom:12px}
.setup input:focus{outline:2px solid var(--copper);outline-offset:-1px;background:#fff}
.setup button{background:var(--copper);color:#fff;border-radius:9px;padding:12px 20px;
  font-weight:600;font-size:15px;width:100%}
.setup ul{margin:0;padding-left:18px;font-size:13.5px;line-height:1.7}
.setup code{font-family:var(--mono);font-size:12.5px;background:#eef2f5;padding:2px 5px;border-radius:4px}
.chk{font-family:var(--mono);font-size:13px;line-height:1.8}
.chk .good{color:#1d6b39} .chk .bad{color:var(--danger)}

/* Προβολή τύπου excel στο κινητό: όλες οι στήλες με οριζόντια κύλιση */
@media(max-width:859px){
  body[data-view="table"] .cards{display:none}
  body[data-view="table"] .table-wrap{display:block;max-height:none;border-radius:10px}
  body[data-view="table"] table{font-size:12px;min-width:1020px}
  body[data-view="table"] thead th{padding:7px 8px;font-size:10px;letter-spacing:.02em}
  body[data-view="table"] tbody td{padding:6px 8px;white-space:nowrap}
  body[data-view="table"] td.notes{max-width:220px}
  body[data-view="table"] .clip{max-width:180px}
  body[data-view="table"] tbody tr:nth-child(even) td{background:#fafcfd}
  /* η μάρκα μένει καρφωμένη αριστερά όσο κυλάς πλάγια */
  body[data-view="table"] thead th:first-child,
  body[data-view="table"] tbody td:first-child{position:sticky;left:0;
    box-shadow:1px 0 0 var(--line);background:#fff}
  body[data-view="table"] thead th:first-child{background:#f5f8fa;z-index:3}
  body[data-view="table"] tbody tr:nth-child(even) td:first-child{background:#fafcfd}
  body[data-view="table"] tbody tr:active td{background:#f0f4f7}
}