:root{--sun:#E8A020;--dark:#0D1117;--dark2:#161B22;--dark3:#1C232C;--border:#2D333B;--text:#E6EDF3;--muted:#8B949E;--green:#3DDC97;--red:#F85149;--amber:#f0883e;--blue:#5fb3d4;--purple:#9d75ff;--topbar-h:68px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-snap-type:y proximity;scroll-padding-top:calc(var(--topbar-h) + 10px);scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;scroll-snap-type:none}}
body{background:var(--dark);color:var(--text);font-family:'DM Sans',system-ui,sans-serif;font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
svg{width:16px;height:16px;flex-shrink:0}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:14px;color:var(--text)}
.muted{color:var(--muted)}.small{font-size:12.5px}.mono{font-variant-numeric:tabular-nums}.center{text-align:center}.mt{margin-top:22px}
.hidden{display:none!important}.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

/* ---- στοιχεία ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 16px;border-radius:8px;font-weight:600;font-size:13.5px;transition:.15s;border:1px solid transparent;white-space:nowrap;text-decoration:none!important}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.btn-primary{background:var(--sun);color:#1a1205}.btn-primary:hover:not([disabled]){background:#f5af2e}
.btn-ghost{background:var(--dark3);color:var(--text);border-color:var(--border)}.btn-ghost:hover{background:#232b35}
.btn-danger{background:rgba(248,81,73,.12);color:var(--red);border-color:rgba(248,81,73,.3)}
.btn-sm{padding:6px 12px;font-size:12.5px}.btn-block{width:100%}
.link{color:var(--blue);font-size:12px;text-decoration:underline}
.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 10px;border-radius:20px;font-size:11.5px;font-weight:600;white-space:nowrap}
.b-sun{background:rgba(232,160,32,.15);color:var(--sun)}.b-green{background:rgba(61,220,151,.15);color:var(--green)}.b-blue{background:rgba(95,179,212,.15);color:var(--blue)}
.b-amber{background:rgba(240,136,62,.15);color:var(--amber)}.b-red{background:rgba(248,81,73,.15);color:var(--red)}.b-muted{background:rgba(139,148,158,.15);color:var(--muted)}
.card{background:var(--dark2);border:1px solid var(--border);border-radius:12px}.pad{padding:22px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],select{width:100%;background:var(--dark);border:1px solid var(--border);border-radius:8px;padding:9px 12px;outline:none}
input:focus,select:focus{border-color:var(--sun)}
label.f{display:block;font-size:12px;color:var(--muted);margin-bottom:5px;font-weight:500}
.field{margin-bottom:14px}.hint{font-size:11.5px;color:var(--muted);margin-top:4px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);margin-bottom:10px}.check input{margin-top:3px;accent-color:var(--sun);width:auto}
.seg{display:flex;gap:8px;margin-bottom:14px}.seg label{flex:1;border:1px solid var(--border);border-radius:8px;padding:10px 12px;cursor:pointer;background:var(--dark);font-size:13px}.seg input{margin-right:6px;accent-color:var(--sun)}
.form-error{display:none;background:rgba(248,81,73,.1);border:1px solid rgba(248,81,73,.4);color:#ff938c;border-radius:8px;padding:9px 12px;margin-bottom:14px;font-size:13px}.form-error.show{display:block}
.notice{background:rgba(61,220,151,.1);border:1px solid rgba(61,220,151,.4);color:var(--green);border-radius:8px;padding:9px 12px;margin-bottom:14px;font-size:13px}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:var(--dark3);border:1px solid var(--border);padding:10px 18px;border-radius:9px;z-index:300;font-weight:600;display:none;max-width:90vw}.toast.show{display:block}.toast.err{border-color:var(--red)}

/* ---- οθόνες εισόδου / οδηγού ---- */
.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(900px 500px at 50% -10%,rgba(232,160,32,.10),transparent),var(--dark)}
.auth-card{width:100%;max-width:440px}.auth-wide{max-width:680px}
.brand-title{font-family:'Cormorant Garamond',serif;font-size:34px;font-weight:700;letter-spacing:.5px;color:var(--sun);line-height:1}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:2px;text-transform:uppercase;margin-top:3px}
.auth h2{font-size:20px;margin-bottom:4px}.lead{color:var(--muted);margin-bottom:18px}
.links{display:flex;justify-content:space-between;margin-top:14px;font-size:13px}.links.center{justify-content:center;gap:6px}
.bigicon{font-size:38px;margin-bottom:6px}
.steps{display:flex;gap:6px;margin-bottom:18px}.steps div{flex:1;padding:8px 10px;border-radius:8px;border:1px solid var(--border);font-size:12px;color:var(--muted);text-align:center}
.steps .on{border-color:var(--sun);color:var(--sun);background:rgba(232,160,32,.08)}.steps .done{color:var(--green);border-color:rgba(61,220,151,.4)}
.list{margin-bottom:14px}.listrow{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}.rowbtns{display:flex;gap:6px}
.keyblock{border:1px solid var(--border);border-radius:10px;padding:14px;margin-bottom:12px;background:var(--dark)}
.tl{margin:8px 0 4px}.tlitem{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--border)}.tlitem:last-child{border:none}
.dot{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0;margin-top:1px}.dot.ok{background:rgba(61,220,151,.18);color:var(--green)}.dot.wait{background:rgba(240,136,62,.18);color:var(--amber)}
.demo-banner{background:rgba(157,117,255,.12);border:1px solid rgba(157,117,255,.4);color:var(--purple);border-radius:10px;padding:10px 14px;font-size:13px;font-weight:600;margin:14px 0}
.code{font-family:Consolas,monospace;background:var(--dark);border:1px solid var(--border);border-radius:8px;padding:10px 14px;letter-spacing:2px;margin:10px 0;word-break:break-all}

/* ---- κέλυφος εφαρμογής ---- */
#shell{display:flex;min-height:100vh}
.sidebar{width:220px;min-width:220px;background:var(--dark2);border-right:1px solid var(--border);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;z-index:50}
.sidebar .brand{padding:20px 18px 16px;border-bottom:1px solid var(--border)}
.nav{padding:12px 10px;flex:1;overflow-y:auto}
.nav-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:var(--muted);font-weight:500;margin-bottom:3px;font-size:13.5px;text-decoration:none!important}
.nav-link svg{width:18px;height:18px}.nav-link:hover{background:var(--dark3);color:var(--text)}.nav-link.active{background:rgba(232,160,32,.12);color:var(--sun)}
.nav-link .lk{margin-left:auto;display:inline-flex;opacity:.7}.nav-link .lk svg{width:13px;height:13px}
.sidebar-foot{padding:12px 18px;border-top:1px solid var(--border);font-size:11.5px;color:var(--muted)}
.main{flex:1;min-width:0}
.sample-bar{background:rgba(157,117,255,.14);border-bottom:1px solid rgba(157,117,255,.5);color:var(--purple);padding:9px 28px;font-weight:600;font-size:13px;display:flex;gap:12px;align-items:center;justify-content:space-between}
.topbar{position:sticky;top:0;z-index:40;background:rgba(13,17,23,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);padding:12px 28px;display:flex;align-items:center;gap:12px;min-height:var(--topbar-h)}
.topbar select{width:auto;min-width:190px;padding:8px 12px}
.pills{display:flex;gap:4px;background:var(--dark2);border:1px solid var(--border);border-radius:9px;padding:3px}
.pills button{padding:6px 11px;border-radius:7px;font-size:12.5px;font-weight:600;color:var(--muted);white-space:nowrap}.pills button.on{background:rgba(232,160,32,.15);color:var(--sun)}
.tb-right{margin-left:auto}.fresh{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}.fresh i{width:8px;height:8px;border-radius:50%;background:var(--amber)}
.burger{display:none;width:36px;height:36px;border:1px solid var(--border);border-radius:8px;align-items:center;justify-content:center}.burger svg{width:18px;height:18px}
.content{padding:0}
.inner{max-width:1200px;margin:0 auto;padding:0 28px}
section.snap{position:relative;scroll-snap-align:start;min-height:calc(100vh - var(--topbar-h));padding:88px 0 96px;border-top:1px solid var(--border)}
section.snap:first-child{padding-top:44px;border-top:none}
section.snap.alt{background:linear-gradient(180deg,rgba(28,35,44,.75),rgba(22,27,34,.35) 60%,rgba(13,17,23,0))}
section.snap:not(:first-child)::before{content:"";position:absolute;top:-1px;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--sun) 50%,transparent);opacity:.55}
.sec-head{margin-bottom:30px;padding-bottom:18px;border-bottom:1px solid var(--border)}
.sec-no{font-size:11px;letter-spacing:3px;text-transform:uppercase;color:var(--sun);font-weight:700;margin-bottom:8px}
.sec-head h2{font-size:28px;font-weight:700;display:flex;align-items:center;gap:12px;letter-spacing:-.3px}.sec-head h2 svg{width:26px;height:26px;stroke:var(--sun)}
.sec-head p{color:var(--muted);font-size:14px;margin-top:6px}
.kpis{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-bottom:20px}
.kpi{background:var(--dark2);border:1px solid var(--border);border-radius:12px;padding:16px 18px;position:relative;overflow:hidden}
.kpi::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--sun)}.kpi.k-green::before{background:var(--green)}.kpi.k-blue::before{background:var(--blue)}
.kpi .l{font-size:11.5px;color:var(--muted);font-weight:500;text-transform:uppercase;letter-spacing:.5px}.kpi .v{font-size:28px;font-weight:700;margin-top:6px;line-height:1}.kpi .v.small-v{font-size:20px;margin-top:10px}.kpi .m{font-size:12px;color:var(--muted);margin-top:6px}
.banner{display:flex;gap:10px;align-items:center;background:rgba(240,136,62,.08);border:1px solid rgba(240,136,62,.35);border-radius:10px;padding:10px 14px;margin-bottom:14px;font-size:13px}
.empty{background:var(--dark2);border:1px dashed var(--border);border-radius:12px;padding:40px 20px;text-align:center}
.lockcard{background:var(--dark2);border:1px solid var(--sun);border-radius:12px;padding:26px 22px;max-width:420px;display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.lockicon svg{width:22px;height:22px;stroke:var(--sun)}
.twrap{overflow-x:auto;border:1px solid var(--border);border-radius:12px;background:var(--dark2)}
table{width:100%;border-collapse:collapse}th{text-align:left;padding:10px 14px;font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);font-weight:600;border-bottom:1px solid var(--border);background:var(--dark3)}
td{padding:11px 14px;border-bottom:1px solid var(--border);font-size:13.5px}tr:last-child td{border-bottom:none}
.tabs{display:flex;gap:4px;flex-wrap:wrap;border-bottom:1px solid var(--border);margin-bottom:18px}.tabs button{padding:9px 14px;font-size:13px;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px}.tabs button.on{color:var(--sun);border-color:var(--sun)}
.grid3{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.svc{border:1px solid var(--border);border-radius:12px;padding:16px;background:var(--dark2);display:flex;flex-direction:column;gap:8px;align-items:flex-start}.svc.on{border-color:rgba(61,220,151,.45)}
.toggle{display:flex;justify-content:space-between;align-items:center;padding:11px 0;border-bottom:1px solid var(--border);gap:10px}.panel2{margin-bottom:16px}

@media (max-width:1000px){
  :root{--topbar-h:112px}
  .sidebar{position:fixed;left:0;top:0;transform:translateX(-100%);transition:.2s;box-shadow:10px 0 40px rgba(0,0,0,.6)}.sidebar.open{transform:none}
  .burger{display:flex}.topbar{flex-wrap:wrap;padding:10px 14px;gap:8px}.topbar select{min-width:0;flex:1}.pills{order:5;width:100%;overflow-x:auto}.tb-right{display:none}
  .inner{padding:0 14px}section.snap{padding:56px 0 64px}.sec-head h2{font-size:22px}.row2{grid-template-columns:1fr}.sample-bar{padding:9px 14px}
}
/* ---- Φάση 2γ: γραφήματα και οθόνες δεδομένων ---- */
svg.chart{width:100%;height:auto;max-height:260px;display:block}
.chart text.ax{fill:var(--muted);font-size:11px}.chart .grid{stroke:var(--border);stroke-width:1}
.chart .bar-sun{fill:var(--sun)}.chart .bar-sun-prov{fill:var(--sun);opacity:.45}.chart .bar-prev{fill:#3a424d}
.chart .ln{fill:none;stroke:var(--sun);stroke-width:2}.chart .ln-prev{fill:none;stroke:var(--muted);stroke-width:1.5;stroke-dasharray:4 4}.chart .area{fill:rgba(232,160,32,.18);stroke:none}
.legend{display:flex;flex-wrap:wrap;gap:14px;margin:10px 0 4px;font-size:12px;color:var(--muted)}.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px}.sw-sun{background:var(--sun)}.sw-sun-prov{background:rgba(232,160,32,.45)}.sw-prev{background:#3a424d}
.cols2{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));margin-top:16px}
.t-strong{font-weight:700;margin-bottom:8px}.row-between{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.mt{margin-top:18px}.mt-s{margin-top:10px}.right{text-align:right}
.banner.info{background:rgba(95,179,212,.08);border-color:rgba(95,179,212,.35)}
.tool{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:10px 14px;border-bottom:1px solid var(--border)}.tool-right{margin-left:auto;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.tool input[type=date],.pills input[type=date]{background:var(--dark);border:1px solid var(--border);border-radius:7px;padding:5px 8px;font-size:12.5px;color-scheme:dark}
tr.click{cursor:pointer}tr.click:hover td{background:var(--dark3)}.detail{max-height:360px;overflow:auto;margin-top:8px}
.skel{display:grid;gap:10px}.skel div{height:70px;border-radius:12px;background:linear-gradient(90deg,var(--dark2),var(--dark3),var(--dark2));background-size:200% 100%;animation:skel 1.2s linear infinite}
@keyframes skel{to{background-position:-200% 0}}@media (prefers-reduced-motion:reduce){.skel div{animation:none}}
.bigicon{font-size:30px;margin-bottom:6px}
/* ---- Φάση 3: τιμές αγοράς, ημερολόγια, κενά παραγωγής ---- */
.chart .bar-pos{fill:var(--blue);opacity:.8}.chart .bar-neg{fill:var(--purple)}.chart .zero{stroke:#5b6470}
.cal{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px}.cal .dow{font-size:11px;color:var(--muted);text-align:center;text-transform:uppercase;letter-spacing:.5px;padding:2px 0}
.cal .d{min-height:74px;border:1px solid var(--border);border-radius:8px;padding:6px 7px;background:var(--dark2);display:flex;flex-direction:column;gap:2px;font-size:12px;text-align:left;color:var(--text);cursor:default}
.cal button.d{cursor:pointer}.cal .d:hover:not(.empty):not(.future){border-color:var(--sun)}
.cal .d .n{font-weight:700;color:var(--muted)}.cal .d .hh{font-weight:700}.cal .d .rg{font-size:11px;color:var(--muted)}
.cal .d.empty{border:none;background:none}.cal .d.future{opacity:.35}.cal .d.today{border-color:var(--sun)}.cal .d.sel{outline:2px solid var(--sun)}
.cal .d.neg{background:rgba(157,117,255,.18);border-color:rgba(157,117,255,.5)}.cal .d.neg .hh{color:#c9b2ff}
.cal .d.w1{background:rgba(248,81,73,.12)}.cal .d.w2{background:rgba(248,81,73,.26)}.cal .d.w3{background:rgba(248,81,73,.42)}.cal .d.w4{background:rgba(248,81,73,.6)}.cal .d.w5{background:rgba(248,81,73,.85)}
.cal .d.c1{background:rgba(95,179,212,.12)}.cal .d.c2{background:rgba(95,179,212,.26)}.cal .d.c3{background:rgba(95,179,212,.42)}.cal .d.c4{background:rgba(95,179,212,.6)}.cal .d.c5{background:rgba(95,179,212,.85)}
.sw-neg{background:var(--purple)}.sw-pos{background:var(--blue)}.sw-w{background:rgba(248,81,73,.6)}.sw-c{background:rgba(95,179,212,.6)}
@media (max-width:600px){.cal{gap:3px}.cal .d{min-height:56px;padding:4px}.cal .d .rg{display:none}}

/* ---- Φάση 5α: AUTO (σκιώδης λειτουργία) ---- */
.auto-pre{background:var(--dark);border:1px solid var(--border);border-radius:8px;padding:10px 12px;font-family:ui-monospace,Consolas,monospace;font-size:12.5px;overflow:auto;max-height:320px;white-space:pre;margin:6px 0 10px}
.auto-text{width:100%;min-height:110px;background:var(--dark);border:1px solid var(--border);border-radius:8px;padding:10px;color:var(--text);font-family:ui-monospace,Consolas,monospace;font-size:12.5px;resize:vertical}.auto-text:focus{border-color:var(--sun);outline:none}
.badge.b-purple{background:rgba(157,117,255,.18);color:#c9b2ff}.mr{margin-right:6px}