/* ════════════════════════════════════════════════════
   QuickScan PRO · ΑΦΟΙ ΡΟΥΣΣΑ — v3 (mockup design)
   ════════════════════════════════════════════════════ */
:root{
  --bg:#0a0e17;--bg2:#121829;--bg3:#1a2133;--bg4:#222b42;
  --border:#1f2840;--border2:#2f3a55;
  --text:#f2f5fa;--text2:#9aa3b8;--text3:#5f6880;
  --accent:#2f6bff;--accent2:#1f4fd6;--accent3:#5b8cff;
  --accent-bg:rgba(47,107,255,.12);
  --grad:linear-gradient(135deg,#2e63f6,#4f8aff);
  --green:#4ade80;--green-bg:rgba(74,222,128,.1);
  --amber:#fbbf24;--amber-bg:rgba(251,191,36,.1);
  --red:#f87171;--red-bg:rgba(248,113,113,.1);
  --glass:rgba(14,19,32,.82);
  --shadow:0 8px 32px rgba(0,0,0,.5);
  --mono:'IBM Plex Mono',monospace;
  --sans:'Inter','IBM Plex Sans Condensed',system-ui,sans-serif;
  --radius:16px;--radius-sm:12px;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent;touch-action:manipulation}
html,body{height:100%;background:var(--bg);color:var(--text);font-family:var(--sans);overflow:hidden}
button{font-family:var(--sans)}

/* ── LOGIN ─────────────────────────────────────────── */
#login{position:fixed;inset:0;z-index:1000;display:none;flex-direction:column;align-items:center;justify-content:center;padding:24px;background:var(--bg);overflow:hidden}
#login.show{display:flex}
.login-mesh{position:absolute;inset:-40%;background:
  radial-gradient(40% 35% at 30% 30%,rgba(47,107,255,.18),transparent 70%),
  radial-gradient(35% 30% at 75% 65%,rgba(91,140,255,.12),transparent 70%);
  animation:meshFloat 16s ease-in-out infinite alternate;pointer-events:none}
@keyframes meshFloat{0%{transform:translate(0,0) rotate(0)}100%{transform:translate(4%,3%) rotate(4deg)}}
.login-card{position:relative;width:100%;max-width:380px;background:var(--glass);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--border2);border-radius:24px;padding:34px 28px;box-shadow:var(--shadow);animation:popIn .45s cubic-bezier(.2,.9,.3,1.2)}
@keyframes popIn{from{opacity:0;transform:translateY(18px) scale(.97)}to{opacity:1;transform:none}}
.login-logo{display:flex;flex-direction:column;align-items:center;gap:10px;margin-bottom:26px}
.login-logo-icon{width:64px;height:64px;border-radius:18px;background:var(--grad);display:flex;align-items:center;justify-content:center;box-shadow:0 0 36px rgba(47,107,255,.45);animation:glow 3s ease-in-out infinite}
@keyframes glow{0%,100%{box-shadow:0 0 24px rgba(47,107,255,.35)}50%{box-shadow:0 0 44px rgba(91,140,255,.55)}}
.login-logo-icon svg{width:34px;height:34px;stroke:#fff;fill:none;stroke-width:2}
.login-title{font-size:20px;font-weight:700;letter-spacing:.5px}
.login-title b{color:var(--accent3);font-weight:700}
.login-sub{font-size:10px;color:var(--text3);letter-spacing:3px;text-transform:uppercase}
.login-field{margin-bottom:14px}
.login-label{display:block;font-size:11px;color:var(--text2);margin-bottom:6px;font-weight:600;letter-spacing:.5px;text-transform:uppercase}
.login-input-wrap{position:relative}
.login-input{width:100%;background:var(--bg3);border:1.5px solid var(--border2);border-radius:14px;padding:14px 44px 14px 14px;color:var(--text);font-size:16px;outline:none;transition:border-color .2s,box-shadow .2s;font-family:var(--sans)}
.login-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,107,255,.15)}
.login-eye{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text3);cursor:pointer;padding:6px;display:flex}
.login-eye svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8}
.login-btn{width:100%;padding:15px;background:var(--grad);border:none;border-radius:14px;color:#fff;font-size:15px;font-weight:700;letter-spacing:.3px;cursor:pointer;margin-top:6px;transition:transform .12s,filter .2s}
.login-btn:active{transform:scale(.98)}
.login-btn:disabled{filter:grayscale(.6) brightness(.7);cursor:wait}
.login-error{display:none;margin-top:12px;padding:10px 12px;background:var(--red-bg);border:1px solid rgba(248,113,113,.35);border-radius:12px;color:var(--red);font-size:12.5px;line-height:1.5;animation:shake .4s}
@keyframes shake{0%,100%{transform:none}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
.login-forgot{display:block;text-align:center;margin-top:16px;color:var(--text3);font-size:12px;background:none;border:none;cursor:pointer;width:100%}
.login-forgot:hover{color:var(--accent3)}
.login-footer{position:relative;margin-top:22px;font-size:9px;color:var(--text3);letter-spacing:2px;text-align:center;text-transform:uppercase}

/* ── LOADING ───────────────────────────────────────── */
#loading{position:fixed;inset:0;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:999;gap:16px}
.load-logo{font-size:15px;font-weight:700;letter-spacing:1px}
.load-logo b{color:var(--accent3)}
.load-bar{width:220px;height:3px;background:var(--border2);border-radius:3px;overflow:hidden}
.load-fill{height:100%;background:var(--grad);border-radius:3px;animation:loadbar 1.4s ease-in-out infinite}
@keyframes loadbar{0%{width:0;margin-left:0}50%{width:60%;margin-left:20%}100%{width:0;margin-left:100%}}
.load-text{font-size:12px;color:var(--text3)}

/* ── LAYOUT ────────────────────────────────────────── */
#app{display:none;flex-direction:column;height:100vh;height:100dvh;width:100%;background:var(--bg)}
#app.show{display:flex}

/* ── HEADER ───────────────────────────────────────── */
.header{display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:8px;background:var(--bg);padding:calc(env(safe-area-inset-top) + 12px) 16px 10px;padding-left:calc(env(safe-area-inset-left) + 16px);padding-right:calc(env(safe-area-inset-right) + 16px);flex-shrink:0;position:relative;z-index:20}
.hamburger{width:42px;height:42px;background:var(--bg2);border:1px solid var(--border);border-radius:13px;display:flex;align-items:center;justify-content:center;cursor:pointer}
.hamburger svg{width:20px;height:20px;stroke:var(--text);fill:none;stroke-width:2}
.wordmark{text-align:center}
.wordmark-title{font-size:19px;font-weight:800;letter-spacing:.3px}
.wordmark-title b{color:var(--accent3);font-weight:800}
.wordmark-sub{font-size:9px;color:var(--text3);letter-spacing:4px;margin-top:1px}
.header-right{display:flex;align-items:center;gap:8px;justify-content:flex-end}
.bell{position:relative;width:42px;height:42px;background:var(--bg2);border:1px solid var(--border);border-radius:13px;display:flex;align-items:center;justify-content:center;cursor:pointer}
.bell svg{width:19px;height:19px;stroke:var(--text);fill:none;stroke-width:2}
.bell-badge{position:absolute;top:-5px;right:-5px;min-width:18px;height:18px;background:var(--accent);border-radius:10px;color:#fff;font-size:10px;font-weight:700;display:none;align-items:center;justify-content:center;padding:0 4px;border:2px solid var(--bg)}
.bell-badge.show{display:flex}
.user-chip{display:none;align-items:center;gap:6px;background:var(--bg2);border:1px solid var(--border);border-radius:20px;padding:5px 10px;font-size:10px;color:var(--text2);max-width:120px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;cursor:pointer}
.user-chip .role-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex-shrink:0}
.user-chip.admin .role-dot{background:var(--amber)}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--green);flex-shrink:0;box-shadow:0 0 8px rgba(74,222,128,.6)}
.status-dot.loading{background:var(--amber);animation:pulse 1s infinite}
.status-dot.error{background:var(--red)}
.status-dot.offline{background:var(--text3);box-shadow:none}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ── SEARCH BAR ───────────────────────────────────── */
.search-wrap{background:var(--bg);padding:6px 16px 12px;padding-left:calc(env(safe-area-inset-left) + 16px);padding-right:calc(env(safe-area-inset-right) + 16px);flex-shrink:0}
.search-row{display:flex;gap:10px;align-items:center}
.search-input-wrap{flex:1;position:relative}
.search-input-wrap::before{content:'';position:absolute;left:16px;top:50%;width:17px;height:17px;transform:translateY(-50%);background:no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235f6880' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E");pointer-events:none}
.search-input{width:100%;background:var(--bg2);border:1.5px solid var(--border);border-radius:16px;padding:14px 40px 14px 42px;color:var(--text);font-size:15px;font-family:var(--sans);outline:none;transition:border-color .2s,box-shadow .2s;height:52px}
.search-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,107,255,.12)}
.search-input::placeholder{color:var(--text3)}
.search-clear{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text3);cursor:pointer;font-size:18px;display:none;padding:4px}
.icon-btn{background:var(--bg2);border:1.5px solid var(--border);border-radius:16px;width:52px;height:52px;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:all .15s;color:var(--text);font-size:13px;font-weight:600}
.icon-btn:active{transform:scale(.94)}
.scan-btn{background:var(--grad);border:none;box-shadow:0 4px 16px rgba(47,107,255,.35)}
.scan-btn svg{width:24px;height:24px;stroke:#fff;fill:none;stroke-width:2}

/* ── CONTENT / PAGES ─────────────────────────────── */
.content{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;position:relative}
.page{display:none;padding:4px 16px 16px}
.page.on{display:block;animation:pageIn .28s cubic-bezier(.25,.8,.35,1)}
@keyframes pageIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ── EMPTY STATE ─────────────────────────────────── */
.empty{text-align:center;padding:48px 20px}
.empty-icon{width:52px;height:52px;margin:0 auto 12px;opacity:.3}
.empty-icon svg{width:52px;height:52px;stroke:var(--text2);fill:none;stroke-width:1.2}
.empty-title{font-size:15px;font-weight:600;color:var(--text2);margin-bottom:6px}
.empty-sub{font-size:12px;color:var(--text3);line-height:1.6}

/* ── HOME ────────────────────────────────────────── */
.hero-scan{display:flex;align-items:center;gap:16px;width:100%;background:var(--grad);border:none;border-radius:20px;padding:22px 18px;margin-bottom:16px;cursor:pointer;box-shadow:0 10px 32px rgba(47,107,255,.35);transition:transform .12s;position:relative;overflow:hidden}
.hero-scan::after{content:'';position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.16),transparent);animation:heroShine 3.2s ease-in-out infinite}
@keyframes heroShine{0%,60%{left:-60%}100%{left:130%}}
.hero-scan:active{transform:scale(.985)}
.hero-scan-icon{width:56px;height:56px;background:rgba(255,255,255,.18);border-radius:16px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.hero-scan-icon svg{width:32px;height:32px;stroke:#fff;fill:none;stroke-width:2}
.hero-scan-text{flex:1;text-align:left}
.hero-scan-title{font-size:17px;font-weight:800;color:#fff;letter-spacing:1.5px}
.hero-scan-sub{font-size:13px;color:rgba(255,255,255,.78);margin-top:4px}
.hero-scan-arrow{width:24px;height:24px;stroke:rgba(255,255,255,.85);fill:none;stroke-width:2.5;flex-shrink:0}

.kpi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.kpi{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:18px 16px;cursor:pointer;transition:border-color .15s,transform .1s;min-height:108px}
.kpi:active{transform:scale(.98);border-color:var(--accent)}
.kpi-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.kpi-ico{width:38px;height:38px;border-radius:12px;background:var(--accent-bg);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.kpi-ico svg{width:20px;height:20px;stroke:var(--accent3);fill:none;stroke-width:2}
.kpi-ico.green{background:var(--green-bg)}.kpi-ico.green svg{stroke:var(--green)}
.kpi-ico.red{background:var(--red-bg)}.kpi-ico.red svg{stroke:var(--red)}
.kpi-ico.amber{background:var(--amber-bg)}.kpi-ico.amber svg{stroke:var(--amber)}
.kpi-label{font-size:10px;color:var(--text3);letter-spacing:1px;text-transform:uppercase;font-weight:600}
.kpi-val{font-size:30px;font-weight:800;letter-spacing:.3px;line-height:1}
.kpi-sub{font-size:11px;color:var(--text3);margin-top:5px}

.section-label{font-size:10px;color:var(--text3);letter-spacing:2px;text-transform:uppercase;font-weight:700;margin:20px 0 12px}
.qa-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.qa-item{display:flex;flex-direction:column;align-items:center;gap:11px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:20px 6px;color:var(--text2);font-size:11.5px;font-weight:600;cursor:pointer;transition:border-color .15s,transform .1s}
.qa-item:active{transform:scale(.96);border-color:var(--accent)}
.qa-item svg{width:26px;height:26px;stroke:var(--accent3);fill:none;stroke-width:1.8}

/* ── FILTER CHIPS ───────────────────────────────── */
.chips{display:flex;gap:8px;padding:4px 2px 12px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex-shrink:0;background:var(--bg2);border:1px solid var(--border);border-radius:20px;padding:11px 20px;font-size:13.5px;font-weight:600;color:var(--text2);cursor:pointer;transition:all .15s;font-family:var(--sans)}
.chip.on{background:var(--accent);border-color:var(--accent);color:#fff}

/* ── PRODUCT ROWS ────────────────────────────────── */
.results-count{font-size:11.5px;color:var(--text3);padding:0 2px 10px}
.product-list{display:flex;flex-direction:column;gap:9px}
.product-list{display:flex;flex-direction:column;gap:10px}
.product-card{display:flex;align-items:center;gap:14px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:14px 15px;cursor:pointer;transition:border-color .15s,transform .1s;animation:cardIn .3s ease both}
.product-card:nth-child(-n+10){animation-delay:calc(var(--i,0)*.025s)}
@keyframes cardIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.product-card:active{transform:scale(.99);border-color:var(--accent)}
.pc-thumb{width:66px;height:66px;border-radius:16px;display:flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden;background:rgba(255,255,255,.06);border:1px solid var(--border)}
.pc-thumb svg{width:34px;height:34px;fill:none;stroke-width:1.5}
.pc-meta{flex:1;min-width:0}
.pc-bc{font-family:var(--mono);font-size:10.5px;color:var(--text3);margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:.5px}
.pc-name{font-size:14.5px;font-weight:700;line-height:1.3;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pc-group{font-size:11px;color:var(--text3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pc-right{text-align:right;flex-shrink:0;display:flex;flex-direction:column;align-items:flex-end;gap:5px}
.pc-qty{font-size:14px;font-weight:800}
.pc-qty.in{color:var(--green)}.pc-qty.low{color:var(--amber)}.pc-qty.out{color:var(--red)}
.pc-price{font-size:12px;font-weight:600;color:var(--accent3);font-family:var(--mono)}
.pc-chev{width:17px;height:17px;stroke:var(--text3);fill:none;stroke-width:2.5;flex-shrink:0}
.load-more-btn{width:100%;margin-top:10px;padding:14px;background:var(--bg2);border:1px solid var(--border2);border-radius:var(--radius);color:var(--text2);font-size:13px;font-weight:600;cursor:pointer}

/* ── DETAIL (mockup style) ───────────────────────── */
.detail-top{display:flex;align-items:center;justify-content:space-between;padding:6px 0 14px}
.detail-back{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;background:var(--bg2);border:1px solid var(--border);border-radius:13px;color:var(--text);cursor:pointer}
.detail-back svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2}
.detail-title{font-size:15px;font-weight:700}
.fav-btn{width:42px;height:42px;background:var(--bg2);border:1px solid var(--border);border-radius:13px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.fav-btn svg{width:20px;height:20px;stroke:var(--amber);fill:none;stroke-width:1.8;transition:transform .15s}
.fav-btn.on svg{fill:var(--amber)}
.fav-btn:active svg{transform:scale(1.25)}
.dp-hero{text-align:center;padding:10px 0 18px;animation:popIn .35s cubic-bezier(.2,.9,.3,1.1)}
.dp-icon{width:88px;height:88px;margin:0 auto 14px;background:var(--bg2);border:1px solid var(--border2);border-radius:22px;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 30px rgba(47,107,255,.12)}
.dp-icon svg{width:42px;height:42px;stroke:var(--accent3);fill:none;stroke-width:1.6}
.dp-bc{font-family:var(--mono);font-size:13px;color:var(--text2);letter-spacing:2px;margin-bottom:6px}
.dp-name{font-size:18px;font-weight:700;line-height:1.4;margin-bottom:10px;padding:0 8px}
.dp-chip{display:inline-block;font-size:11px;font-weight:600;background:var(--accent-bg);border:1px solid rgba(47,107,255,.3);border-radius:14px;padding:5px 14px;color:var(--accent3);margin:0 3px 6px}
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px}
.info-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:13px 14px}
.info-label{font-size:9.5px;color:var(--text3);letter-spacing:1.5px;text-transform:uppercase;font-weight:700;margin-bottom:6px}
.info-val{font-size:17px;font-weight:700}
.info-sub{font-size:10.5px;color:var(--text3);margin-top:3px}
.big-btn{display:flex;align-items:center;justify-content:center;gap:9px;width:100%;padding:16px;background:var(--grad);border:none;border-radius:var(--radius);color:#fff;font-size:14px;font-weight:700;letter-spacing:.5px;cursor:pointer;margin-top:4px;box-shadow:0 6px 20px rgba(47,107,255,.3);transition:transform .12s}
.big-btn:active{transform:scale(.98)}
.big-btn svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:2}
.sec-btn{display:flex;align-items:center;justify-content:center;gap:9px;width:100%;padding:14px;background:var(--bg2);border:1px solid var(--border2);border-radius:var(--radius);color:var(--text2);font-size:13px;font-weight:600;cursor:pointer;margin-top:8px;transition:all .15s}
.sec-btn:active{transform:scale(.98);border-color:var(--accent)}
.sec-btn svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:2}
.barcode-row{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:13px 14px;margin-top:10px}
.bc-label{font-size:9px;color:var(--text3);letter-spacing:1.5px;margin-bottom:3px;font-weight:700}
.barcode-val{font-family:var(--mono);font-size:15px;letter-spacing:2px}

/* customer price overlay */
#price-overlay{position:fixed;inset:0;z-index:1300;background:var(--bg);display:none;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px;cursor:pointer}
#price-overlay.show{display:flex;animation:pageIn .25s ease}
.po-name{font-size:17px;font-weight:600;color:var(--text2);max-width:600px;line-height:1.5;margin-bottom:24px}
.po-price{font-size:min(20vw,110px);font-weight:800;color:#fff;line-height:1;letter-spacing:-2px}
.po-vat{font-size:14px;color:var(--accent3);font-weight:600;margin-top:14px;letter-spacing:1px}
.po-close{font-size:11px;color:var(--text3);margin-top:40px;letter-spacing:1px}

/* ── SCANNER ─────────────────────────────────────── */
.scanner-wrap{position:relative;background:#000;overflow:hidden;border-radius:0 0 20px 20px}
#scanner-video{width:100%;display:block;max-height:58vh;object-fit:cover}
@keyframes laser{0%,100%{top:4px}50%{top:calc(100% - 6px)}}
.scan-controls{padding:20px 16px 8px;display:flex;align-items:center;justify-content:space-evenly;gap:10px}
.scan-ctl-icon{display:flex;flex-direction:column;align-items:center;gap:7px;background:none;border:none;color:var(--text2);cursor:pointer;font-size:10px;font-weight:600;letter-spacing:.5px;transition:color .15s;min-width:60px}
.scan-ctl-icon svg{width:28px;height:28px;stroke:currentColor;fill:none;stroke-width:1.8}
.scan-ctl-icon.on{color:var(--amber)}
.scan-ctl-center{width:72px;height:72px;background:var(--grad);border:none;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 6px 24px rgba(47,107,255,.45);transition:transform .12s;flex-shrink:0}
.scan-ctl-center:active{transform:scale(.92)}
.scan-ctl-center svg{width:34px;height:34px;stroke:#fff;fill:none;stroke-width:2}
.scan-cont-row{display:flex;justify-content:center;padding:0 16px 14px}
.scan-cont-btn{display:flex;align-items:center;gap:7px;background:var(--bg2);border:1px solid var(--border);border-radius:20px;padding:9px 18px;color:var(--text2);font-size:11px;font-weight:600;cursor:pointer;transition:all .15s}
.scan-cont-btn svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2}
.scan-cont-btn.on{background:var(--amber-bg);border-color:var(--amber);color:var(--amber)}
.zoom-row{display:flex;align-items:center;gap:10px;padding:12px 18px 0}
.zoom-row input[type=range]{flex:1;accent-color:var(--accent)}
.zoom-row span{font-size:10px;font-family:var(--mono);color:var(--text3)}
.scan-sheet{position:absolute;left:10px;right:10px;bottom:10px;z-index:5;background:var(--glass);backdrop-filter:blur(14px);border:1px solid var(--border2);border-radius:var(--radius);padding:13px 15px;display:none;animation:sheetUp .3s cubic-bezier(.2,.9,.3,1.1);cursor:pointer}
.scan-sheet.show{display:block}
@keyframes sheetUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.ss-name{font-size:14px;font-weight:600;margin-bottom:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ss-row{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--text2)}
.ss-price{color:var(--accent3);font-size:17px;font-weight:800}
#scan-flash{position:fixed;inset:0;z-index:998;pointer-events:none;background:radial-gradient(circle,rgba(74,222,128,.28),transparent 70%);opacity:0}
#scan-flash.err{background:radial-gradient(circle,rgba(248,113,113,.34),transparent 70%)}
#scan-flash.go{animation:flash .5s ease}
@keyframes flash{0%{opacity:0}25%{opacity:1}100%{opacity:0}}

/* ── DASH / HISTORY ──────────────────────────────── */
.update-row{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--text3);padding:6px 2px 12px}
.dash-section{margin-bottom:18px}
.dash-label{font-size:10px;color:var(--text3);letter-spacing:2px;text-transform:uppercase;font-weight:700;margin-bottom:10px}
.hist-row{display:flex;align-items:center;gap:11px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:11px 13px;margin-bottom:9px;cursor:pointer;transition:border-color .15s}
.hist-row:active{border-color:var(--accent)}
.hist-meta{flex:1;min-width:0}
.hist-name{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hist-sub{font-size:10.5px;color:var(--text3);font-family:var(--mono);margin-top:3px}
.hist-time{font-size:10px;color:var(--text3);flex-shrink:0}

/* ── SETTINGS ────────────────────────────────────── */
.st-section-title{font-size:10px;color:var(--text3);letter-spacing:2px;text-transform:uppercase;font-weight:700;padding:18px 2px 8px}
.setup-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.setup-title{display:flex;align-items:center;gap:9px;padding:14px 15px;font-size:13px;font-weight:700;border-bottom:1px solid var(--border)}
.setup-title svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2}
.setup-body{padding:14px 15px;font-size:12.5px;color:var(--text2);line-height:1.65}
.setup-input{width:100%;background:var(--bg3);border:1px solid var(--border2);border-radius:var(--radius-sm);padding:11px;color:var(--text);font-size:13px;margin:6px 0 10px;outline:none;font-family:var(--sans)}
.setup-btn{display:inline-block;padding:12px 18px;background:var(--accent);border:none;border-radius:var(--radius-sm);color:#fff;font-size:13px;font-weight:700;cursor:pointer;transition:transform .1s}
.setup-btn:active{transform:scale(.97)}
.setup-btn.full{width:100%}
.setup-btn:disabled{opacity:.5;cursor:wait}
.dropzone{border:2px dashed var(--border2);border-radius:var(--radius-sm);padding:18px 12px;text-align:center;font-size:12px;color:var(--text3);margin:12px 0;transition:all .2s;line-height:1.7}
.dropzone svg{width:24px;height:24px;stroke:var(--text3);fill:none;stroke-width:1.8;display:block;margin:0 auto 6px}
.dropzone.over{border-color:var(--green);background:var(--green-bg);color:var(--green)}
.dropzone.over svg{stroke:var(--green)}

/* ── BOTTOM NAV ──────────────────────────────────── */
.bottom-nav{display:flex;background:var(--glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom);flex-shrink:0;position:relative;z-index:20}
.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 2px 8px;background:none;border:none;color:var(--text3);cursor:pointer;font-size:9.5px;font-weight:600;transition:color .2s}
.nav-item svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.9;transition:transform .2s}
.nav-item.on{color:var(--accent3)}
.nav-item.on svg{transform:translateY(-1px) scale(1.08)}
.nav-scan{flex:0 0 76px;position:relative;background:none;border:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:center}
.nav-scan::before{content:'';position:absolute;top:-22px;width:62px;height:62px;border-radius:50%;background:var(--grad);box-shadow:0 6px 22px rgba(47,107,255,.5),0 0 0 6px var(--bg);transition:transform .15s}
.nav-scan svg{width:29px;height:29px;stroke:#fff;fill:none;stroke-width:2;position:relative;z-index:2;margin-top:-6px}
.nav-scan:active::before{transform:scale(.93)}

/* ── KEYBOARD OVERLAY ────────────────────────────── */
#kb-overlay{position:fixed;inset:0;z-index:600;background:rgba(0,0,0,.55);display:none;align-items:flex-end;backdrop-filter:blur(3px)}
#kb-overlay.show{display:flex}
#kb-panel{width:100%;background:var(--glass);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-top:1px solid var(--border2);border-radius:22px 22px 0 0;padding:14px 14px calc(env(safe-area-inset-bottom) + 14px);animation:sheetUp .25s ease}
#kb-search-row{display:flex;gap:8px;margin-bottom:10px;align-items:center}
#kb-display{flex:1;background:var(--bg3);border:2px solid var(--accent);border-radius:14px;padding:13px 14px;font-family:var(--mono);font-size:18px;min-height:52px;letter-spacing:1px;overflow-x:auto;white-space:nowrap}
#kb-display-placeholder{color:var(--text3);font-size:13px;font-family:var(--sans);letter-spacing:0}
#kb-clear-btn{background:var(--bg3);border:1px solid var(--border2);border-radius:12px;width:44px;height:52px;color:var(--text2);font-size:18px;cursor:pointer}
#kb-scan-btn{background:var(--grad);border:none;border-radius:12px;height:52px;padding:0 16px;color:#fff;font-size:12px;font-weight:700;cursor:pointer}
.kb-tabs{display:flex;gap:6px;margin-bottom:8px}
.kb-tab{flex:1;text-align:center;padding:9px;background:var(--bg3);border:1px solid var(--border2);border-radius:10px;font-size:13px;font-weight:600;color:var(--text3);cursor:pointer}
.kb-tab.on{background:var(--accent-bg);border-color:var(--accent);color:var(--accent3)}
.kb-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.kb-key{background:var(--bg3);border:1px solid var(--border2);border-radius:11px;padding:14px 0;text-align:center;font-family:var(--mono);font-size:20px;cursor:pointer;user-select:none;transition:background .08s,transform .08s}
.kb-key:active{background:var(--accent);transform:scale(.95)}
.kb-key.alpha-key{padding:12px 0;font-size:16px}
.kb-key.del{color:var(--red)}
.kb-key.dash{color:var(--accent3)}
.kb-row-extra{display:flex;gap:6px;margin-top:6px}
.kb-row-extra .kb-key{flex:1;font-size:14px}
.kb-key.search-key{background:var(--grad);border:none;color:#fff;font-weight:700;letter-spacing:1px;font-family:var(--sans)}
#kb-results-list{max-height:220px;overflow-y:auto;margin-bottom:8px;flex-direction:column;gap:6px;display:none}

/* ── TOASTS / MODAL ─────────────────────────────── */
#toasts{position:fixed;top:calc(env(safe-area-inset-top) + 12px);left:50%;transform:translateX(-50%);z-index:1200;display:flex;flex-direction:column;gap:8px;width:min(92vw,400px);pointer-events:none}
.toast{background:var(--glass);backdrop-filter:blur(14px);border:1px solid var(--border2);border-left:3px solid var(--accent);border-radius:14px;padding:13px 15px;font-size:13px;box-shadow:var(--shadow);animation:toastIn .3s cubic-bezier(.2,.9,.3,1.1);pointer-events:auto}
.toast.ok{border-left-color:var(--green)}
.toast.err{border-left-color:var(--red)}
.toast.warn{border-left-color:var(--amber)}
.toast.out{animation:toastOut .3s ease forwards}
@keyframes toastIn{from{opacity:0;transform:translateY(-14px) scale(.96)}to{opacity:1;transform:none}}
@keyframes toastOut{to{opacity:0;transform:translateY(-10px) scale(.96)}}
#modal-overlay{position:fixed;inset:0;z-index:1100;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;padding:24px;backdrop-filter:blur(4px)}
#modal-overlay.show{display:flex}
.modal{width:100%;max-width:360px;background:var(--bg2);border:1px solid var(--border2);border-radius:20px;padding:22px;animation:popIn .3s cubic-bezier(.2,.9,.3,1.15)}
.modal-title{font-size:16px;font-weight:700;margin-bottom:12px}
.modal-actions{display:flex;gap:9px;margin-top:18px}
.modal-actions button{flex:1;padding:13px;border-radius:12px;font-size:14px;font-weight:600;cursor:pointer}
.modal-cancel{background:var(--bg3);border:1px solid var(--border2);color:var(--text2)}
.modal-ok{background:var(--accent);border:none;color:#fff}

/* Ενότητες μόνο για διαχειριστή (ανέβασμα/διαχείριση δεδομένων) — κρυφές για υπαλλήλους */
.admin-only{display:none}
body.is-admin .admin-only{display:block}

#mode-banner{display:none;background:var(--amber-bg);border-bottom:1px solid rgba(251,191,36,.25);color:var(--amber);font-size:10.5px;font-weight:600;text-align:center;padding:6px 10px;flex-shrink:0}
#mode-banner.show{display:block}

/* ════════ ACTIVE STORE BAR ════════ */
.store-bar{display:flex;align-items:center;gap:8px;padding:7px 16px;padding-left:calc(env(safe-area-inset-left) + 16px);padding-right:calc(env(safe-area-inset-right) + 16px);background:linear-gradient(90deg,var(--accent-bg),transparent);border-bottom:1px solid var(--border);flex-shrink:0;font-size:12px}
.store-bar svg{width:16px;height:16px;stroke:var(--accent3);fill:none;stroke-width:1.8;flex-shrink:0}
.store-bar .sb-label{color:var(--text3)}
.store-bar .sb-store{font-weight:700;color:var(--text)}
.store-bar .sb-switch{margin-left:auto;background:var(--bg3);border:1px solid var(--border2);border-radius:10px;padding:5px 12px;color:var(--accent3);font-size:11px;font-weight:600;cursor:pointer}
.store-bar .sb-ver{font-family:var(--mono);font-size:10px;color:var(--text3);background:var(--bg3);border:1px solid var(--border);border-radius:8px;padding:3px 7px;flex-shrink:0}

/* ════════ SEGMENTED CONTROL ════════ */
.seg{display:flex;gap:6px}
.seg-btn{flex:1;min-height:44px;background:var(--bg3);border:1px solid var(--border2);border-radius:12px;color:var(--text2);font-size:13px;font-weight:600;cursor:pointer;font-family:var(--sans);transition:all .15s;padding:0 10px}
.seg-btn.on{background:var(--accent);border-color:var(--accent);color:#fff}
.seg-btn:active{transform:scale(.97)}

/* ════════ INVENTORY ════════ */
.inv-head{padding:6px 2px 14px}
.inv-head-title{font-size:20px;font-weight:800}
.inv-head-sub{font-size:12px;color:var(--text3);margin-top:2px}
.inv-flabel{display:block;font-size:11px;color:var(--text2);font-weight:600;letter-spacing:.5px;text-transform:uppercase;margin-bottom:7px}
.inv-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--bg2);border:1px solid var(--border2);border-radius:var(--radius);padding:13px 15px;margin-bottom:12px}
.inv-bar-store{font-size:15px;font-weight:700}
.inv-bar-sub{font-size:11px;color:var(--text3);margin-top:2px}
.inv-badge-draft{background:var(--amber-bg);border:1px solid var(--amber);color:var(--amber);border-radius:20px;padding:5px 12px;font-size:10px;font-weight:700;letter-spacing:.5px;flex-shrink:0}
.inv-badge-locked{background:var(--green-bg);border:1px solid var(--green);color:var(--green);border-radius:20px;padding:4px 10px;font-size:9.5px;font-weight:700;letter-spacing:.5px;flex-shrink:0}
.inv-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}
.inv-stat{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:14px;text-align:center}
.inv-stat-val{font-size:28px;font-weight:800;color:var(--accent3)}
.inv-stat-lbl{font-size:10px;color:var(--text3);letter-spacing:1px;text-transform:uppercase;margin-top:2px}
.inv-actions{display:flex;flex-direction:column;gap:8px}
.inv-list{display:flex;flex-direction:column;gap:8px}
.inv-line{display:flex;align-items:center;gap:10px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px}
.inv-line.locked{padding:12px}
.inv-line-no{width:26px;height:26px;flex-shrink:0;background:var(--bg4);border-radius:8px;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:11px;color:var(--text2);font-weight:600}
.inv-line-meta{flex:1;min-width:0}
.inv-line-name{font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.inv-line-sub{font-size:10.5px;color:var(--text3);font-family:var(--mono);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.inv-tag-unknown{font-size:8.5px;background:var(--red-bg);color:var(--red);border:1px solid rgba(248,113,113,.4);border-radius:6px;padding:1px 5px;font-weight:700;vertical-align:middle}
.inv-qty{display:flex;align-items:center;gap:4px;flex-shrink:0}
.inv-qbtn{width:34px;height:34px;background:var(--bg4);border:1px solid var(--border2);border-radius:9px;color:var(--text);font-size:20px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1}
.inv-qbtn:active{transform:scale(.92);background:var(--accent)}
.inv-qinput{width:48px;height:34px;background:var(--bg3);border:1px solid var(--border2);border-radius:9px;color:var(--text);font-size:15px;font-weight:700;text-align:center;font-family:var(--mono);outline:none;-moz-appearance:textfield}
.inv-qinput::-webkit-outer-spin-button,.inv-qinput::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.inv-line-qty{flex-shrink:0;font-size:18px;font-weight:800;font-family:var(--mono);color:var(--accent3);min-width:42px;text-align:right}
.inv-del{width:38px;height:38px;flex-shrink:0;background:none;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center}
.inv-del svg{width:17px;height:17px;stroke:var(--red);fill:none;stroke-width:1.8}
.inv-footer{display:flex;gap:10px;align-items:center;margin-top:16px;position:sticky;bottom:0;background:linear-gradient(0deg,var(--bg) 70%,transparent);padding:12px 0 6px}
.inv-footer .setup-btn{min-height:50px}
.inv-hist-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:14px;margin-bottom:10px;cursor:pointer;transition:border-color .15s}
.inv-hist-card:active{border-color:var(--accent)}
.inv-hist-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.inv-hist-no{font-family:var(--mono);font-size:15px;font-weight:700;color:var(--accent3);letter-spacing:.5px}
.inv-hist-meta{font-size:12px;color:var(--text2);margin-bottom:8px}
.inv-hist-foot{display:flex;justify-content:space-between;font-size:11px;color:var(--text3)}
.inv-kv{display:flex;justify-content:space-between;gap:12px;padding:7px 0;border-bottom:1px solid var(--border);font-size:12.5px}
.inv-kv:last-child{border-bottom:none}
.inv-kv span{color:var(--text3)}
.inv-kv b{color:var(--text);text-align:right}
.inv-export-row{display:flex;flex-direction:column;gap:8px;margin:12px 0 6px}

/* ════════ ERP COMPARE TABLE ════════ */
.cmp-table{width:100%;border-collapse:collapse;font-size:12px}
.cmp-table th{position:sticky;top:0;background:var(--bg3);color:var(--text2);font-size:10px;text-transform:uppercase;letter-spacing:.5px;padding:8px 6px;text-align:center;border-bottom:1px solid var(--border2)}
.cmp-table th:first-child{text-align:left}
.cmp-table td{padding:8px 6px;border-bottom:1px solid var(--border);vertical-align:top}
.cmp-table .cmp-sub{font-family:var(--mono);font-size:9.5px;color:var(--text3);margin-top:2px}

/* ════════ UNKNOWN BARCODES ════════ */
.unk-card{display:flex;align-items:center;gap:10px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:11px 13px;margin-bottom:9px}
.unk-main{flex:1;min-width:0}
.unk-bc{font-family:var(--mono);font-size:15px;font-weight:700;letter-spacing:1px}
.unk-meta{font-size:10.5px;color:var(--text3);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ════════ ORDERS NOTE ════════ */
.orders-note{background:var(--accent-bg);border:1px solid rgba(47,107,255,.3);border-radius:var(--radius-sm);padding:11px 13px;font-size:11.5px;color:var(--text2);line-height:1.6;margin-bottom:6px}

/* ════════ SETTINGS PREFS ════════ */
.pref-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--border)}
.pref-row:last-child{border-bottom:none}
.pref-label{font-size:13.5px;font-weight:600;color:var(--text)}
.pref-sub{font-size:11px;color:var(--text3);margin-top:2px}
.switch{position:relative;display:inline-block;width:50px;height:30px;flex-shrink:0}
.switch input{opacity:0;width:0;height:0}
.slider{position:absolute;inset:0;background:var(--bg4);border:1px solid var(--border2);border-radius:30px;cursor:pointer;transition:.2s}
.slider::before{content:'';position:absolute;height:22px;width:22px;left:3px;top:3px;background:var(--text2);border-radius:50%;transition:.2s}
.switch input:checked + .slider{background:var(--accent);border-color:var(--accent)}
.switch input:checked + .slider::before{transform:translateX(20px);background:#fff}
.tool-link{display:flex;align-items:center;gap:12px;width:100%;background:none;border:none;border-bottom:1px solid var(--border);padding:14px 8px;color:var(--text);font-size:13.5px;font-weight:600;cursor:pointer;text-align:left}
.tool-link:last-child{border-bottom:none}
.tool-link svg{width:19px;height:19px;stroke:var(--accent3);fill:none;stroke-width:1.8;flex-shrink:0}
.tool-link span{flex:1}
.tool-link b{color:var(--text3);font-size:18px}
.tool-link:active{background:var(--bg3)}

/* ════════ IMPORT REPORT ════════ */
.imp-report{margin-top:12px;background:var(--bg3);border:1px solid var(--border2);border-radius:var(--radius-sm);padding:12px 14px}
.imp-title{font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--text2);margin-bottom:8px}
.imp-row{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;padding:5px 0;border-bottom:1px solid var(--border)}
.imp-row:last-child{border-bottom:none}
.imp-row span{color:var(--text3)}
.imp-row b{font-family:var(--mono);font-weight:700}

/* ════════ STOCK PER STORE (κάρτα προϊόντος) ════════ */
.store-split{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:8px}
.sps-cell{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 6px;text-align:center}
.sps-l{font-size:10px;color:var(--text3);font-weight:600;margin-bottom:4px;white-space:nowrap}
.sps-v{font-size:22px;font-weight:800;font-family:var(--mono);line-height:1}

/* ════════ SUGGESTION (κάρτα προϊόντος) ════════ */
.sug-box{background:linear-gradient(160deg,rgba(91,140,255,.08),var(--bg2));border:1px solid var(--border2);border-radius:var(--radius);padding:14px 15px;margin-top:10px}
.sug-head{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--text);margin-bottom:10px}
.sug-badge{font-size:9.5px;font-weight:700;border:1px solid;border-radius:10px;padding:2px 8px;letter-spacing:.3px}
.sug-row{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;padding:6px 0;border-bottom:1px solid var(--border)}
.sug-row span{color:var(--text3)}
.sug-row b{font-weight:700}
.sug-final{border-bottom:none;border-top:1.5px solid var(--border2);margin-top:4px;padding-top:9px;font-size:14px}
.sug-final span{color:var(--text2);font-weight:600}
.sug-note{font-size:12px;color:var(--amber);line-height:1.5}
.cfg-num{width:74px;background:var(--bg3);border:1px solid var(--border2);border-radius:10px;padding:9px;color:var(--text);font-size:15px;font-family:var(--mono);text-align:center;outline:none}

/* ════════ SALES HISTORY TABLE (modal) ════════ */
.sh-title{font-size:12px;font-weight:700;margin:10px 0 6px}
.sh-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.sh-table{border-collapse:collapse;font-size:11px;white-space:nowrap;min-width:100%}
.sh-table th{background:var(--bg3);color:var(--text3);font-size:9.5px;padding:5px 6px;text-align:center;position:sticky;top:0}
.sh-table td{padding:5px 6px;text-align:center;border-bottom:1px solid var(--border);color:var(--text2)}
.sh-table td:first-child,.sh-table th:first-child{text-align:left;position:sticky;left:0;background:var(--bg2)}

/* ── RESPONSIVE — Phone / Tablet / Desktop ───────── */

/* Tablet portrait 600px+ */
@media(min-width:600px){
  .page{padding:8px 24px 24px}
  .header{padding-left:24px;padding-right:24px}
  .search-wrap{padding-left:24px;padding-right:24px}
  .kpi-grid{grid-template-columns:repeat(4,1fr)}
  .kpi-val{font-size:28px}
  .kpi{min-height:120px;padding:20px 18px}
  .product-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .qa-grid{gap:14px}
  .chips{padding:4px 2px 14px}
  #kb-panel{max-width:600px;margin:0 auto}
}

/* Tablet landscape / small desktop 960px+ */
@media(min-width:960px){
  .product-list{grid-template-columns:repeat(3,minmax(0,1fr))}
  .page{padding:10px 32px 28px}
  .header{padding-left:32px;padding-right:32px}
  .search-wrap{padding-left:32px;padding-right:32px}
  .kpi-val{font-size:32px}
  .kpi{min-height:130px;padding:22px 20px}
  .kpi-grid{gap:14px}
}