@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@600;700;800&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@500;700&display=swap');

:root{
  --navy:#082741; --navy-2:#0D3557; --navy-3:#134870;
  --blue:#1B76B8; --blue-2:#2B9BDC; --cyan:#3FC1EE;
  --chrome-1:#DCE7F0; --chrome-2:#F4F8FB;
  --bg:#EEF3F8; --card:#FFFFFF;
  --ink:#0B2338; --ink-soft:#3D5A75; --muted:#7A93A9;
  --line:#DBE5EE;
  --ok:#12805C; --ok-bg:#E4F5EE;
  --warn:#B26A00; --warn-bg:#FDF2E0;
  --bad:#C0392B; --bad-bg:#FCEBE9;
  --gold:#B8860B; --gold-bg:#FBF3DE;
  --r:14px; --r-sm:9px;
  --sh:0 1px 2px rgba(8,39,65,.05), 0 6px 20px rgba(8,39,65,.07);
  --sh-lg:0 4px 12px rgba(8,39,65,.09), 0 20px 44px rgba(8,39,65,.11);
  --metal:linear-gradient(90deg,#0D3557,#1B76B8 35%,#7FD4F5 50%,#1B76B8 65%,#0D3557);
}

*{box-sizing:border-box}
/* Το hidden πρέπει να υπερισχύει των display:flex/grid των καρτών */
[hidden]{display:none!important}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink);
  font:400 15px/1.55 Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:Archivo,Inter,sans-serif;margin:0;letter-spacing:-.015em}
.mono{font-family:"JetBrains Mono",ui-monospace,monospace}
.eyebrow{font:700 10.5px/1 "JetBrains Mono",monospace;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}

/* ══════════════════ shell ══════════════════ */
.shell{display:grid;grid-template-columns:262px 1fr;min-height:100vh}

.side{
  background:linear-gradient(170deg,var(--navy) 0%,#061B2E 100%);
  color:#D6E6F2;padding:22px 16px;display:flex;flex-direction:column;gap:6px;
  position:sticky;top:0;height:100vh;overflow:auto;
}
.side .logo{background:#fff;border-radius:12px;padding:14px 16px;margin-bottom:6px;display:block}
.side .logo img{width:100%;display:block}
.side .wordmark{text-align:center;margin:2px 0 18px}
.side .wordmark b{display:block;font:800 15px/1 Archivo,sans-serif;letter-spacing:.06em;color:#fff}
.side .wordmark span{display:block;margin-top:6px;font:700 8.5px/1 "JetBrains Mono",monospace;letter-spacing:.28em;color:#6E93B0}

.side .grp{margin:16px 0 6px;padding:0 12px;font:700 9.5px/1 "JetBrains Mono",monospace;letter-spacing:.22em;color:#5B7F9C;text-transform:uppercase}
.side nav a{
  display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:var(--r-sm);
  color:#B9D2E4;font-weight:500;font-size:14.5px;position:relative;
}
.side nav a svg{width:18px;height:18px;flex:none;opacity:.85}
.side nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.side nav a.on{background:linear-gradient(90deg,var(--blue),var(--blue-2));color:#fff;box-shadow:0 4px 14px rgba(27,118,184,.4)}
.side nav a.on svg{opacity:1}
.side nav a .pill{
  margin-left:auto;background:rgba(255,255,255,.16);border-radius:20px;padding:1px 8px;
  font:700 11px/1.7 "JetBrains Mono",monospace;
}
.side nav a.on .pill{background:rgba(255,255,255,.26)}
.side .foot{margin-top:auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.12)}
.side .foot .u{display:flex;align-items:center;gap:11px;padding:8px 4px}
.side .foot .av{
  width:36px;height:36px;border-radius:10px;flex:none;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));color:#fff;font:800 14px/1 Archivo,sans-serif;
}
.side .foot .u b{display:block;font-size:13.5px;color:#fff}
.side .foot .u span{display:block;font:700 9px/1 "JetBrains Mono",monospace;letter-spacing:.14em;color:#6E93B0;margin-top:4px;text-transform:uppercase}
.side .foot button{
  width:100%;margin-top:8px;background:rgba(255,255,255,.08);border:0;color:#B9D2E4;
  padding:9px;border-radius:var(--r-sm);cursor:pointer;font-size:13.5px;
}
.side .foot button:hover{background:rgba(255,255,255,.16);color:#fff}

.main{padding:32px 38px 70px;max-width:1320px;width:100%}
.head{margin-bottom:26px}
.head h1{font-size:34px;font-weight:800;margin-top:9px}
.head p.sub{color:var(--ink-soft);margin:8px 0 0;max-width:70ch}
.headrow{display:flex;align-items:flex-end;gap:20px;flex-wrap:wrap}
.headrow .spacer{flex:1}

/* ══════════════════ cards ══════════════════ */
.card{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);padding:22px}
.card + .card{margin-top:18px}
.card h3{font-size:15.5px;font-weight:700}
.cardhead{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.cardhead .eyebrow{margin-left:auto}

.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tile{
  position:relative;background:var(--card);border-radius:var(--r);padding:24px;box-shadow:var(--sh);
  display:flex;flex-direction:column;min-height:172px;overflow:hidden;
  transition:transform .18s cubic-bezier(.2,.8,.2,1),box-shadow .18s;
}
.tile::after{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--metal);opacity:0;transition:opacity .18s}
.tile:hover{transform:translateY(-4px);box-shadow:var(--sh-lg)}
.tile:hover::after{opacity:1}
.tile.accent{background:linear-gradient(150deg,var(--navy-2),var(--navy));color:#fff}
.tile.accent .eyebrow{color:#7FA9C8}
.tile.accent .go{color:#8FD8F5}
.tile h2{font-size:21px;font-weight:800;margin-top:12px;text-transform:uppercase;letter-spacing:-.005em}
.tile .go{margin-top:auto;padding-top:20px;font-weight:600;font-size:14px;color:var(--blue);display:flex;align-items:center;gap:8px}
.tile .ic{
  position:absolute;top:20px;right:20px;width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
  background:var(--chrome-2);color:var(--blue);
}
.tile.accent .ic{background:rgba(255,255,255,.12);color:#8FD8F5}
.tile .num{position:absolute;right:24px;bottom:20px;font:800 40px/1 Archivo,sans-serif;letter-spacing:-.04em;color:var(--chrome-1)}
.tile.accent .num{color:rgba(255,255,255,.22)}

/* ══════════════════ stat strip ══════════════════ */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
.kpi{background:var(--card);border-radius:var(--r);padding:18px 20px;box-shadow:var(--sh);position:relative;overflow:hidden}
.kpi::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--blue)}
.kpi.g::before{background:var(--ok)} .kpi.w::before{background:var(--warn)} .kpi.r::before{background:var(--bad)}
.kpi b{display:block;font:800 30px/1.1 Archivo,sans-serif;letter-spacing:-.03em;margin-top:8px}
.kpi small{display:block;color:var(--muted);font-size:12.5px;margin-top:4px}

/* ══════════════════ forms ══════════════════ */
.field{margin-bottom:17px}
.field > label{display:block;margin-bottom:7px;font:700 10.5px/1 "JetBrains Mono",monospace;letter-spacing:.15em;text-transform:uppercase;color:var(--ink-soft)}
input[type=text],input[type=tel],input[type=email],input[type=password],input[type=number],input[type=date],select,textarea{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:var(--r-sm);background:#fff;transition:border-color .15s,box-shadow .15s;
}
textarea{min-height:112px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(27,118,184,.14)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.hint{font-size:12.5px;color:var(--muted);margin:6px 0 0}

.btn{
  border:0;background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff;border-radius:var(--r-sm);
  padding:12px 22px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:9px;
  box-shadow:0 3px 12px rgba(27,118,184,.3);transition:filter .15s,transform .1s;
}
.btn:hover{filter:brightness(1.07)} .btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}
.btn.ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line);box-shadow:none}
.btn.ghost:hover{border-color:var(--blue);color:var(--blue);filter:none}
.btn.dark{background:linear-gradient(135deg,var(--navy-2),var(--navy));box-shadow:0 3px 12px rgba(8,39,65,.3)}
.btn.danger{background:linear-gradient(135deg,#D0503F,var(--bad));box-shadow:0 3px 12px rgba(192,57,43,.3)}
.btn.ok{background:linear-gradient(135deg,#17A06F,var(--ok));box-shadow:0 3px 12px rgba(18,128,92,.3)}
.btn.sm{padding:9px 15px;font-size:13.5px}
.btn.wide{width:100%;justify-content:center}

/* διακόπτης Λύθηκε / Εκκρεμεί */
.switch{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.switch label{
  display:flex;align-items:center;justify-content:center;gap:9px;padding:14px;border-radius:var(--r-sm);
  border:1.5px solid var(--line);cursor:pointer;font-weight:600;background:#fff;transition:.15s;
}
.switch input{display:none}
.switch label:hover{border-color:var(--muted)}
.switch input:checked + span{color:#fff}
.switch label:has(input[value=solved]:checked){background:linear-gradient(135deg,#17A06F,var(--ok));border-color:transparent;color:#fff}
.switch label:has(input[value=pending]:checked){background:linear-gradient(135deg,#D99A22,var(--warn));border-color:transparent;color:#fff}

.check{display:flex;align-items:flex-start;gap:11px;padding:13px 15px;border:1.5px solid var(--line);border-radius:var(--r-sm);cursor:pointer;background:#fff}
.check:has(input:checked){border-color:var(--gold);background:var(--gold-bg)}
.check input{margin-top:3px;width:auto;accent-color:var(--gold)}
.check b{display:block;font-size:14.5px}
.check span{display:block;font-size:12.5px;color:var(--ink-soft);margin-top:3px}

/* ══════════════════ chips ══════════════════ */
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:6px;white-space:nowrap;
  font:700 10.5px/1.5 "JetBrains Mono",monospace;letter-spacing:.09em;text-transform:uppercase;
  background:var(--chrome-2);color:var(--ink-soft);
}
.chip.ok{background:var(--ok-bg);color:var(--ok)}
.chip.warn{background:var(--warn-bg);color:var(--warn)}
.chip.bad{background:var(--bad-bg);color:var(--bad)}
.chip.gold{background:var(--gold-bg);color:var(--gold)}
.chip.blue{background:#E4F1FA;color:var(--blue)}
.chip.live{background:var(--bad);color:#fff}
.chip.live::before{content:"";width:7px;height:7px;border-radius:50%;background:#fff;animation:blink 1.1s infinite}
@keyframes blink{50%{opacity:.25}}

/* ══════════════════ lists ══════════════════ */
.list{display:flex;flex-direction:column;gap:12px}
.item{
  background:var(--card);border-radius:var(--r);box-shadow:var(--sh);padding:17px 20px;cursor:pointer;
  display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;
  position:relative;overflow:hidden;border-left:4px solid transparent;transition:transform .14s,box-shadow .14s;
}
.item:hover{transform:translateX(3px);box-shadow:var(--sh-lg)}
.item.contract{border-left-color:var(--gold)}
.item.solved{border-left-color:var(--ok)}
.item.pending{border-left-color:var(--warn)}
.item .code{font:700 12px/1 "JetBrains Mono",monospace;color:var(--muted);letter-spacing:.05em;min-width:72px}
.item .ttl{font-weight:600;font-size:15.5px}
.item .sub{font-size:13px;color:var(--muted);margin-top:5px;display:flex;gap:9px;flex-wrap:wrap;align-items:center}
.item .tags{display:flex;flex-direction:column;align-items:flex-end;gap:7px}

.tabs{display:inline-flex;background:#fff;border-radius:var(--r-sm);padding:4px;box-shadow:var(--sh);gap:3px}
.tabs button{border:0;background:none;padding:9px 16px;border-radius:7px;cursor:pointer;font-weight:600;font-size:14px;color:var(--muted)}
.tabs button:hover{color:var(--ink)}
.tabs button.on{background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff}
.tabs button .n{opacity:.75;margin-left:6px;font:700 11px/1 "JetBrains Mono",monospace}

.toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:20px}
.toolbar input[type=text]{max-width:300px;background:#fff}

.empty{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);text-align:center;padding:56px 26px}
.empty h3{font-size:19px;margin-bottom:8px}
.empty p{color:var(--muted);margin:0 0 18px}

/* ══════════════════ photos ══════════════════ */
.photos{display:grid;grid-template-columns:repeat(auto-fill,minmax(128px,1fr));gap:12px}
.photo{position:relative;aspect-ratio:4/3;border-radius:var(--r-sm);overflow:hidden;background:var(--chrome-1)}
.photo img{width:100%;height:100%;object-fit:cover;display:block;cursor:zoom-in}
.photo button{
  position:absolute;top:6px;right:6px;width:26px;height:26px;border-radius:7px;border:0;cursor:pointer;
  background:rgba(8,39,65,.72);color:#fff;font-size:14px;line-height:1;
}
.dropzone{
  border:2px dashed var(--line);border-radius:var(--r-sm);padding:26px;text-align:center;cursor:pointer;
  color:var(--muted);background:var(--chrome-2);transition:.15s;
}
.dropzone:hover,.dropzone.over{border-color:var(--blue);color:var(--blue);background:#EAF4FB}

/* ══════════════════ charts ══════════════════ */
.charts{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.bars{display:flex;flex-direction:column;gap:13px}
.bar-row{display:grid;grid-template-columns:minmax(84px,150px) 1fr auto;gap:14px;align-items:center;font-size:14px}
.bar-row .lb{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-soft)}
.bar-track{background:var(--chrome-1);border-radius:20px;height:11px;overflow:hidden}
.bar-fill{height:100%;border-radius:20px;background:linear-gradient(90deg,var(--blue),var(--cyan));
  width:0;transition:width .8s cubic-bezier(.2,.8,.2,1)}
.bar-row .vl{font:700 13px/1 "JetBrains Mono",monospace;min-width:44px;text-align:right}

.cols-chart{display:flex;align-items:flex-end;gap:8px;height:190px;padding-top:10px}
.col{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:7px;height:100%}
.col .stem{
  width:100%;max-width:38px;border-radius:6px 6px 0 0;background:linear-gradient(180deg,var(--cyan),var(--blue));
  height:0;transition:height .9s cubic-bezier(.2,.8,.2,1);min-height:3px;
}
.col .cap{font:700 11px/1 "JetBrains Mono",monospace;color:var(--ink)}
.col .lbl{font:500 10px/1 "JetBrains Mono",monospace;color:var(--muted);letter-spacing:.04em}

.donut-wrap{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.donut{position:relative;width:168px;height:168px;flex:none}
.donut svg{transform:rotate(-90deg)}
.donut circle{fill:none;stroke-width:20;stroke-linecap:butt}
.donut .mid{position:absolute;inset:0;display:grid;place-content:center;text-align:center}
.donut .mid b{font:800 27px/1 Archivo,sans-serif;letter-spacing:-.03em}
.donut .mid span{display:block;font:700 9.5px/1 "JetBrains Mono",monospace;letter-spacing:.16em;color:var(--muted);margin-top:6px;text-transform:uppercase}
.legend{display:flex;flex-direction:column;gap:11px;font-size:14px}
.legend div{display:flex;align-items:center;gap:10px}
.legend i{width:11px;height:11px;border-radius:3px;flex:none}
.legend b{margin-left:auto;font:700 13px/1 "JetBrains Mono",monospace}

/* ══════════════════ misc ══════════════════ */
.dl{display:grid;grid-template-columns:auto 1fr;gap:10px 20px;font-size:14.5px}
.dl dt{font:700 10.5px/1.7 "JetBrains Mono",monospace;letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}
.dl dd{margin:0}
table.tbl{width:100%;border-collapse:collapse;font-size:14.5px}
table.tbl th{text-align:left;font:700 10.5px/1 "JetBrains Mono",monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding:0 12px 12px}
table.tbl td{padding:13px 12px;border-top:1px solid var(--line)}

#toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,150%);z-index:200;
  background:var(--navy);color:#fff;padding:13px 22px;border-radius:10px;font-weight:500;
  transition:transform .3s cubic-bezier(.2,.8,.2,1);box-shadow:var(--sh-lg);max-width:90vw}
#toast.show{transform:translate(-50%,0)}
#toast.bad{background:var(--bad)}

.lightbox{position:fixed;inset:0;background:rgba(6,20,34,.9);display:none;place-items:center;z-index:300;padding:30px}
.lightbox.open{display:grid}
.lightbox img{max-width:100%;max-height:100%;border-radius:10px}

/* ══════════════════ login ══════════════════ */
.login{min-height:100vh;display:grid;place-items:center;padding:24px;
  background:radial-gradient(1100px 700px at 15% -10%,#155688 0%,transparent 60%),
             linear-gradient(160deg,var(--navy) 0%,#04121F 100%)}
.login .box{background:#fff;border-radius:18px;padding:36px;width:100%;max-width:400px;box-shadow:0 30px 70px rgba(0,0,0,.35)}
.login .box img{width:150px;display:block;margin:0 auto 18px}
.login h1{font-size:19px;font-weight:800;text-align:center;letter-spacing:.07em}
.login .tag{text-align:center;margin:8px 0 26px}

@media (max-width:1080px){ .tiles{grid-template-columns:1fr 1fr} .charts{grid-template-columns:1fr} .kpis{grid-template-columns:1fr 1fr} }
@media (max-width:860px){
  .shell{grid-template-columns:1fr}
  .side{position:static;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center;gap:10px;padding:14px}
  .side .logo{width:74px;margin:0;padding:7px}
  .side .wordmark,.side .grp{display:none}
  .side nav{display:flex;flex-wrap:wrap;gap:6px;flex:1}
  .side nav a{padding:8px 11px;font-size:13.5px}
  .side .foot{margin:0;border:0;padding:0;display:flex;gap:8px;align-items:center}
  .side .foot .u span{display:none}
  .side .foot button{width:auto;margin:0;padding:8px 12px}
  .main{padding:22px 16px 60px}
  .tiles,.kpis,.row2,.row3{grid-template-columns:1fr}
  .item{grid-template-columns:1fr;gap:12px}
  .item .tags{flex-direction:row;align-items:center}
  .head h1{font-size:26px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ---------- επιλογή τεχνικών ---------- */
.techpick{display:flex;flex-wrap:wrap;gap:9px}
.techpick label{
  display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:20px;cursor:pointer;
  border:1.5px solid var(--line);background:#fff;font-weight:500;font-size:14px;transition:.14s;user-select:none;
}
.techpick label:hover{border-color:var(--muted)}
.techpick label.on{background:linear-gradient(135deg,var(--blue),var(--blue-2));border-color:transparent;color:#fff;
  box-shadow:0 3px 10px rgba(27,118,184,.3)}
.techpick input{display:none}

/* ---------- συρτάρι αναλυτικών ---------- */
.drawer{position:fixed;inset:0;background:rgba(8,39,65,.45);display:none;z-index:150}
.drawer.open{display:block}
.drawer .sheet{position:absolute;right:0;top:0;bottom:0;width:min(680px,100%);background:var(--bg);
  overflow:auto;padding:26px 28px}