/* ==========================================================================
   THAZA — Design system «Workspace Canvas»
   ΜΙΑ πηγή αλήθειας για χρώματα, γραμματοσειρές και κοινά components.
   Αναφορά: design-ref/APPROVED_DESIGN.html
   ========================================================================== */

:root{
  /* --- Design tokens (εγκεκριμένα) --- */
  --bg:#F7F8FA;
  --card:#FFFFFF;
  --ink:#171A20;
  --muted:#767C89;
  --red:#ED1C24;        /* το ακριβές κόκκινο του λογότυπου */
  --red-deep:#C61D23;   /* hover / βάθος */
  --line:#ECEEF2;
  --dark:#171A21;       /* island sidebar */
  --amber:#EC9A26;
  --blue:#3B7DE9;
  --green:#1FB574;
  --radius-lg:20px;
  --radius-md:14px;

  /* Απαλές αποχρώσεις για pills/φόντα */
  --red-soft:#FDE7E3;
  --amber-soft:#FDF1DD;
  --amber-ink:#A06A00;
  --blue-soft:#E4EEFC;
  --green-soft:#E2F6EE;
  --green-ink:#12855A;
  --hover:#FAFBFC;

  --shadow-card:0 1px 2px rgba(23,26,32,.03),0 6px 24px rgba(23,26,32,.035);
  --shadow-red:0 8px 18px rgba(232,64,44,.28);
  --font-display:'Inter',system-ui,sans-serif;
  --font-body:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;

  /* --- Συμβατότητα: παλιά ονόματα μεταβλητών → νέα tokens ---
     (οι σελίδες που χρησιμοποιούν var(--accent), var(--border) κ.λπ.
      παίρνουν αυτόματα τη νέα παλέτα) */
  --navy:var(--ink);
  --navy-soft:#23262F;
  --surface:var(--card);
  --accent:var(--red);
  --accent-soft:var(--red-soft);
  --border:var(--line);
  --ok:var(--green-ink);   --ok-bg:var(--green-soft);
  --warn:var(--amber-ink); --warn-bg:var(--amber-soft);
  --wait:var(--blue);      --wait-bg:var(--blue-soft);
  --radius:18px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--font-body);background:var(--bg);color:var(--ink);font-size:14px;
  line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--font-display);font-weight:600;letter-spacing:-.2px}
button,input,select,textarea{font-family:inherit}
::selection{background:var(--red-soft)}

/* ==========================================================================
   App shell — floating island sidebar
   ========================================================================== */
.app-shell{display:flex;min-height:100vh;padding:18px;gap:18px}

.sidebar{width:224px;flex:none;background:var(--dark);border-radius:22px;display:flex;
  flex-direction:column;padding:20px 14px;position:sticky;top:18px;align-self:flex-start;height:calc(100vh - 36px);
  z-index:40;transition:transform .22s ease}
.sidebar-brand{display:flex;align-items:center;justify-content:center;padding:6px 0 22px;
  cursor:pointer;user-select:none;-webkit-tap-highlight-color:transparent}
.sidebar-brand img{width:50px;height:50px;display:block;filter:drop-shadow(0 6px 16px rgba(232,64,44,.4))}

.sidebar-nav{flex:1;overflow-y:auto;scrollbar-width:none;display:flex;flex-direction:column}
.sidebar-nav::-webkit-scrollbar{display:none}
.nav-item{display:flex;align-items:center;gap:13px;padding:11px 14px;border-radius:13px;
  color:#9A9FAD;font-size:14px;font-weight:600;margin-bottom:3px;transition:background .12s,color .12s}
.nav-item svg{width:19px;height:19px;flex:none}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-item.active{background:var(--red);color:#fff;box-shadow:0 8px 18px rgba(232,64,44,.35)}
.nav-group-label{font-size:10px;letter-spacing:1.2px;text-transform:uppercase;color:#565C6B;
  padding:18px 14px 7px;font-weight:700}
.nav-spacer{flex:1;min-height:14px}

.sidebar-footer{margin-top:8px}
.user-chip{display:flex;align-items:center;gap:11px;padding:10px;border-radius:14px;
  background:rgba(255,255,255,.05)}
.avatar{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--red),var(--red-deep));
  display:grid;place-items:center;font-weight:700;color:#fff;font-size:13px;flex:none}
.user-chip .info{flex:1;min-width:0}
.user-chip .u-name{color:#fff;font-size:13px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-chip .u-role{color:#767C89;font-size:11.5px}
.logout-btn{background:none;border:none;color:#767C89;cursor:pointer;padding:6px;border-radius:8px;
  display:grid;place-items:center;flex:none}
.logout-btn:hover{background:rgba(255,255,255,.08);color:#fff}
.logout-btn svg{width:16px;height:16px}

.app-main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:14px;margin-bottom:14px;min-height:46px}
.topbar .sp{flex:1}
.burger{display:none;background:var(--card);border:1px solid var(--line);border-radius:12px;cursor:pointer;
  width:44px;height:44px;place-items:center;flex:none}
.burger svg{width:20px;height:20px;color:var(--ink)}
.topbar-logo{display:none}
.topbar-logo img{width:34px;height:34px;display:block}

.topbar-search{position:relative;width:300px;max-width:100%}
.topbar-search svg{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:17px;height:17px;
  stroke:var(--muted);fill:none;stroke-width:2;pointer-events:none}
.topbar-search input{width:100%;background:var(--card);border:1px solid var(--line);border-radius:13px;
  padding:12px 16px 12px 42px;font-size:13.5px;color:var(--ink)}
.topbar-search input:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px var(--red-soft)}

.gs-dropdown{position:absolute;top:calc(100% + 6px);left:0;right:0;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:0 14px 40px rgba(23,26,32,.12);
  max-height:360px;overflow-y:auto;z-index:50}
.gs-item{display:block;padding:11px 16px;border-bottom:1px solid var(--line)}
.gs-item:last-child{border-bottom:none}
.gs-item:hover{background:var(--hover)}
.gs-name{font-size:13.5px;font-weight:700;color:var(--ink)}
.gs-meta{font-size:12px;color:var(--muted);margin-top:2px}
.gs-empty{padding:14px;font-size:13px;color:var(--muted);text-align:center}

.content{flex:1;min-width:0;padding:0 2px 24px}

.backdrop{display:none;position:fixed;inset:0;background:rgba(23,26,33,.45);z-index:35}
.backdrop.show{display:block}

/* ==========================================================================
   Page header
   ========================================================================== */
.page-header{margin-bottom:24px}
.page-header h1{margin:0 0 4px;font-family:var(--font-display);font-weight:600;font-size:32px;
  letter-spacing:-.5px;line-height:1.15;color:var(--ink)}
.page-header p{margin:0;color:var(--muted);font-size:14.5px;font-weight:500}
.subline{color:var(--muted);font-size:14.5px;margin:4px 0 0 2px;font-weight:500}

/* ==========================================================================
   Κάρτες / panels
   ========================================================================== */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow-card)}
.card h2{font-size:17px}
.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}

.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-card)}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:18px 22px 14px;border-bottom:1px solid var(--line)}
.panel-head h2{margin:0;font-family:var(--font-display);font-size:17px;font-weight:600;color:var(--ink)}
.panel-head .count{font-size:12px;color:var(--muted);font-weight:600}
.panel-head a.more{font-size:13px;color:var(--red);font-weight:700}
.panel-head a.more:hover{color:var(--red-deep)}
.panel-empty{padding:20px 22px;color:var(--muted);font-size:13.5px;margin:0}

.row-item{display:flex;align-items:flex-start;gap:14px;padding:14px 22px;border-bottom:1px solid var(--line)}
.row-item:last-child{border-bottom:none}
.row-item:hover{background:var(--hover)}
.row-main{flex:1;min-width:0}
.row-title{font-size:14px;font-weight:700;color:var(--ink);display:block;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
a.row-title:hover{color:var(--red)}
.row-meta{font-size:12.5px;color:var(--muted);margin-top:2px;font-weight:500}
.row-side{text-align:right;font-size:13px;white-space:nowrap;flex:none}
.sub-label{font-size:10.5px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);
  font-weight:700;padding:12px 22px 6px;background:var(--hover);border-bottom:1px solid var(--line)}
.late{color:var(--red);font-weight:700}

/* Stat cards (με sparkline) */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:18px}
.s-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px 20px;
  position:relative;overflow:hidden;min-height:104px;box-shadow:var(--shadow-card);display:block}
a.s-card:hover{border-color:#DFE2E8}
.s-card .k{color:var(--muted);font-size:12.5px;font-weight:600}
.s-card .big{font-family:var(--font-display);font-size:32px;font-weight:600;margin-top:5px;line-height:1;
  font-variant-numeric:tabular-nums}
.s-card.alert .big{color:var(--red)}
.s-card .spark{position:absolute;right:14px;bottom:14px;width:72px;height:30px}
.s-card .pct{position:absolute;top:18px;right:18px;font-size:11.5px;font-weight:700;color:var(--green)}
.s-card .pct.down{color:var(--red)}
.s-card .hint{font-size:11.5px;color:var(--muted);font-weight:500;margin-top:8px;max-width:60%}

/* Στατιστικά tiles αναφορών (παλιό .stat) */
.stat{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:var(--shadow-card)}
.stat .lbl{font-size:12.5px;color:var(--muted);font-weight:600}
.stat .val{font-family:var(--font-display);font-size:26px;font-weight:600;color:var(--ink);margin-top:4px;
  line-height:1.1;font-variant-numeric:tabular-nums}
.stat .sub{font-size:12px;color:var(--muted);margin-top:4px;font-weight:500}
.stat.alert .val{color:var(--red)}

/* Avatars με αρχικά (gradient ανά χρώμα) */
.av-tile{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-weight:800;
  color:#fff;flex:none;font-size:15px;letter-spacing:.2px;background:linear-gradient(135deg,var(--muted),#9aa0ac)}
.av-tile.sm{width:34px;height:34px;border-radius:10px;font-size:12.5px}
.av-tile.g-r{background:linear-gradient(135deg,var(--red),var(--red-deep))}
.av-tile.g-a{background:linear-gradient(135deg,var(--amber),#F6BD63)}
.av-tile.g-b{background:linear-gradient(135deg,var(--blue),#6AA0F5)}
.av-tile.g-g{background:linear-gradient(135deg,var(--green),#5DD3A0)}
.av-tile.g-d{background:linear-gradient(135deg,#2B2F3A,#4A4F5C)}
.av-tile.g-v{background:linear-gradient(135deg,#7C5CE0,#A78BFA)}

/* ==========================================================================
   Κουμπιά
   ========================================================================== */
.btn-accent,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:11px 20px;background:var(--red);color:#fff;border:none;border-radius:13px;font-size:13.5px;
  font-weight:700;cursor:pointer;box-shadow:var(--shadow-red);transition:background .12s;line-height:1.3;
  text-decoration:none;white-space:nowrap}
.btn-accent:hover,.btn-primary:hover{background:var(--red-deep);color:#fff}
.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 18px;
  background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:13px;font-size:13.5px;
  font-weight:700;cursor:pointer;transition:background .12s,border-color .12s;line-height:1.3;white-space:nowrap}
.btn-secondary:hover{background:var(--hover);border-color:#DCDFE5}
.btn-accent:disabled,.btn-secondary:disabled{opacity:.55;cursor:not-allowed}

.icon-actions{display:flex;gap:2px;align-items:center}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;
  border-radius:10px;color:var(--muted);background:none;border:none;cursor:pointer}
.icon-btn svg{width:16px;height:16px}
.icon-btn:hover{background:#F0F2F5;color:var(--ink)}
.icon-btn-danger:hover{background:var(--red-soft);color:var(--red)}

/* ==========================================================================
   Flash / validation
   ========================================================================== */
.flash-ok{background:var(--green-soft);color:var(--green-ink);padding:12px 16px;border-radius:var(--radius-md);
  font-size:13.5px;font-weight:600;margin-bottom:18px;border:1px solid #CBEEDD}
.err-box{background:var(--red-soft);color:var(--red-deep);padding:12px 16px;border-radius:var(--radius-md);
  font-size:13.5px;font-weight:500;margin-bottom:14px;border:1px solid #F8CFC8}
.err-text{color:var(--red-deep);font-size:12px;margin-top:5px;font-weight:600}
.muted{color:var(--muted);font-size:12.5px}

/* ==========================================================================
   Πίνακες
   ========================================================================== */
.tbl{width:100%;border-collapse:collapse}
.tbl th{text-align:left;font-size:10.5px;text-transform:uppercase;letter-spacing:.9px;font-weight:700;
  color:var(--muted);padding:13px 18px;border-bottom:1px solid var(--line);background:var(--hover)}
.tbl td{padding:14px 18px;border-bottom:1px solid var(--line);font-size:13.5px;vertical-align:middle}
.tbl tbody tr:hover td{background:var(--hover)}
.tbl tr:last-child td{border-bottom:none}
.tbl a{color:var(--ink);font-weight:700}
.tbl a:hover{color:var(--red)}
.tbl a.icon-btn{font-weight:400;color:var(--muted)}
.tbl td.num,.tbl th.num{text-align:right;font-variant-numeric:tabular-nums}
.card > .tbl:only-child, .card > table.tbl{margin:0}
.tbl-wrap{overflow-x:auto}

/* ==========================================================================
   Pills καταστάσεων (r / a / b + ok/muted)
   ========================================================================== */
.badge,.tag{display:inline-block;padding:5px 11px;border-radius:8px;font-size:11px;font-weight:700;
  white-space:nowrap;line-height:1.35;background:#F0F2F5;color:var(--muted)}
.badge-ok,.tag.g{background:var(--green-soft);color:var(--green-ink)}
.badge-warn,.tag.a{background:var(--amber-soft);color:var(--amber-ink)}
.badge-wait,.tag.b{background:var(--blue-soft);color:var(--blue)}
.badge-muted{background:#F0F2F5;color:var(--muted)}
.badge-danger,.tag.r{background:var(--red-soft);color:var(--red)}

/* ==========================================================================
   Tabs
   ========================================================================== */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:22px;overflow-x:auto;
  scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{padding:11px 16px;font-size:13.5px;font-weight:700;color:var(--muted);white-space:nowrap;
  border-bottom:2px solid transparent;cursor:pointer;margin-bottom:-1px;transition:color .12s}
.tab:hover{color:var(--ink)}
.tab.active{color:var(--red);border-bottom-color:var(--red)}

/* ==========================================================================
   Φόρμες
   ========================================================================== */
.fld{margin-bottom:16px}
.fld label{display:block;font-size:12.5px;font-weight:700;margin-bottom:7px;color:var(--ink)}
.fld input:not([type=checkbox]):not([type=radio]):not([type=file]),.fld select,.fld textarea{width:100%;
  padding:11px 14px;border:1px solid var(--line);border-radius:12px;font-size:14px;background:var(--bg);
  color:var(--ink);transition:border-color .12s,box-shadow .12s,background .12s}
.fld input[type=file]{font-size:13px}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--red);
  background:#fff;box-shadow:0 0 0 3px var(--red-soft)}
.fld-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.mini-input{padding:10px 13px;border:1px solid var(--line);border-radius:12px;font-size:14px;
  background:var(--bg);color:var(--ink)}
.mini-input:focus{outline:none;border-color:var(--red);background:#fff;box-shadow:0 0 0 3px var(--red-soft)}
input[type=checkbox],input[type=radio]{accent-color:var(--red)}
input[type=text],input[type=search],input[type=email],input[type=number],input[type=date],
input[type=password],input[type=tel],input[type=url],select,textarea{border-radius:12px}

/* ==========================================================================
   Σελιδοποίηση
   ========================================================================== */
.pager{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0;flex-wrap:wrap}
.pager-btn{padding:9px 16px;border:1px solid var(--line);border-radius:12px;font-size:13px;
  font-weight:700;color:var(--ink);background:var(--card)}
.pager-btn:hover{background:var(--hover)}
.pager-btn.disabled{color:#C5C9D1;cursor:default;pointer-events:none}
.pager-info{color:var(--muted);font-size:13px;font-weight:500}

/* ==========================================================================
   Modals
   ========================================================================== */
.modal-backdrop{display:none;position:fixed;inset:0;background:rgba(23,26,33,.5);z-index:60;
  align-items:center;justify-content:center;padding:20px}
.modal-backdrop.show{display:flex}
.modal{background:var(--card);border-radius:var(--radius-lg);max-width:520px;width:100%;max-height:85vh;
  overflow-y:auto;box-shadow:0 24px 70px rgba(23,26,33,.3)}
.modal-header{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;
  border-bottom:1px solid var(--line)}
.modal-header h3{margin:0;font-family:var(--font-display);font-size:18px;font-weight:600;color:var(--ink)}
.modal-close{background:none;border:none;cursor:pointer;font-size:16px;color:var(--muted);padding:4px 8px;border-radius:8px}
.modal-close:hover{color:var(--ink);background:#F0F2F5}
.modal-body{padding:22px}

/* ==========================================================================
   Empty states
   ========================================================================== */
.empty-state{text-align:center;padding:44px 20px;color:var(--muted);font-size:14px}

/* ==========================================================================
   Responsive — σε mobile το island γίνεται off-canvas (burger)
   ========================================================================== */
@media (max-width:1100px){
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:960px){
  .app-shell{padding:12px;gap:0}
  .sidebar{position:fixed;top:12px;bottom:12px;left:12px;height:auto;transform:translateX(calc(-100% - 24px))}
  .sidebar.open{transform:translateX(0);box-shadow:0 24px 60px rgba(0,0,0,.35)}
  .burger{display:grid}
  .topbar-logo{display:block}
  .topbar-search{flex:1;width:auto}
  .page-header h1{font-size:26px}
}
@media (max-width:640px){
  .fld-row{grid-template-columns:1fr}
  .stats{gap:12px}
  .s-card{padding:16px;min-height:96px}
  .s-card .big{font-size:26px}
  .s-card .spark{width:56px}
  .card{padding:18px}
  .panel-head,.row-item{padding-left:16px;padding-right:16px}
  .sub-label{padding-left:16px;padding-right:16px}
  .tbl th,.tbl td{padding:12px 12px}
  .page-header h1{font-size:24px}
  .card[style*="padding:0"]{overflow-x:auto !important}
}
@media (max-width:400px){
  .stats{grid-template-columns:1fr 1fr}
  .topbar-logo{display:none}
}

@media print{
  .sidebar,.topbar,.backdrop{display:none !important}
  .app-shell{padding:0}
}

/* Γενικό focus για πεδία εκτός .fld (φίλτρα, inline φόρμες) */
input:not([type=checkbox]):not([type=radio]):not([type=file]):focus,select:focus,textarea:focus{outline:none;
  border-color:var(--red) !important;box-shadow:0 0 0 3px var(--red-soft)}
details > summary{cursor:pointer}