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

:root{
  --bg:#F5F6F8;
  --surface:#FFFFFF;
  --surface-2:#EDEFF3;
  --text:#1B1F27;
  --text-dim:#5B6472;
  --border:#DCE0E6;
  --accent:#0E7C86;
  --accent-2:#0A5F67;
  --amber:#B9740F;
  --amber-bg:#FBF0DC;
  --danger:#B0342A;
  --danger-bg:#FBE4E1;
  --ok-bg:#E1F3ED;
  --ok:#0E7C58;
  --shadow: 0 1px 2px rgba(20,25,35,.06), 0 6px 20px rgba(20,25,35,.05);
  --radius: 14px;
}

[data-theme="dark"]{
  --bg:#0F1417;
  --surface:#171D22;
  --surface-2:#1E262C;
  --text:#E7EDF0;
  --text-dim:#93A0AA;
  --border:#2A343B;
  --accent:#2DD4C6;
  --accent-2:#1FB5A8;
  --amber:#F0B457;
  --amber-bg:#332508;
  --danger:#E5675C;
  --danger-bg:#3A1613;
  --ok-bg:#0F2B22;
  --ok:#3FCB94;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',system-ui,sans-serif;
  transition:background .25s ease,color .25s ease;
}
h1,h2,h3,.brand{font-family:'Space Grotesk',sans-serif;}
.mono{font-family:'JetBrains Mono',monospace;}
a{color:inherit;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{max-width:1180px;margin:0 auto;padding:0 20px;}

/* ---------- Topbar ---------- */
.topbar{
  position:sticky;top:0;z-index:50;
  background:color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.25rem;letter-spacing:-.02em;}
.brand .dot{width:10px;height:10px;border-radius:3px;background:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb, var(--accent) 20%, transparent);}
.nav-links{display:flex;gap:22px;font-size:.92rem;color:var(--text-dim);}
.nav-links a{text-decoration:none;transition:color .15s;}
.nav-links a:hover{color:var(--accent);}
.topbar-actions{display:flex;align-items:center;gap:10px;}

.theme-toggle{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--border);
  background:var(--surface-2);color:var(--text);display:flex;align-items:center;justify-content:center;
}
.theme-toggle svg{width:18px;height:18px;}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:10px;border:1px solid transparent;
  font-weight:600;font-size:.9rem;text-decoration:none;
}
.btn-accent{background:var(--accent);color:#04211f;}
.btn-outline{background:transparent;border-color:var(--border);color:var(--text);}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);}

/* ---------- Hero / search ---------- */
.hero{padding:56px 0 34px;}
.hero-kicker{font-family:'JetBrains Mono',monospace;color:var(--accent);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;margin:0 0 12px;}
.hero h1{font-size:clamp(1.9rem,4vw,2.7rem);line-height:1.15;margin:0 0 14px;max-width:16ch;}
.hero p{color:var(--text-dim);max-width:56ch;margin:0 0 28px;font-size:1.02rem;}

.search-panel{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:16px;box-shadow:var(--shadow);display:flex;gap:12px;flex-wrap:wrap;
}
.search-input-wrap{flex:1 1 260px;position:relative;}
.search-input-wrap input{
  width:100%;padding:13px 14px 13px 42px;border-radius:10px;border:1px solid var(--border);
  background:var(--surface-2);color:var(--text);font-size:1rem;
}
.search-input-wrap svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--text-dim);}
.search-panel select{
  padding:0 14px;border-radius:10px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);font-size:.95rem;
}
.result-count{color:var(--text-dim);font-size:.85rem;margin-top:10px;font-family:'JetBrains Mono',monospace;}

/* ---------- Catalog grid ---------- */
.section{padding:36px 0;}
.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:20px;gap:12px;flex-wrap:wrap;}
.section-head h2{margin:0;font-size:1.4rem;}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px;}

.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow);
  transition:transform .2s cubic-bezier(.2,.8,.2,1), border-color .2s ease, box-shadow .2s ease;
  cursor:pointer;
}
.card:hover,.card:focus-visible{
  transform:translateY(-4px) scale(1.03);
  border-color:var(--accent);
  box-shadow:0 10px 28px rgba(0,0,0,.14), 0 0 0 1px var(--accent);
}
.card:active{transform:translateY(-1px) scale(1.01);}
.card-media{aspect-ratio:4/3;background:var(--surface-2);display:flex;align-items:center;justify-content:center;padding:14px;}
.card-media img{max-height:100%;object-fit:contain;}
.card-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px;flex:1;}
.card-brand{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);font-family:'JetBrains Mono',monospace;}
.card-title{font-weight:600;font-size:1.05rem;line-height:1.3;}
.card-details{color:var(--text-dim);font-size:.86rem;line-height:1.45;flex:1;}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:6px;}
.price{font-family:'JetBrains Mono',monospace;font-weight:600;}
.status-pill{
  font-family:'JetBrains Mono',monospace;font-size:.72rem;font-weight:600;
  padding:4px 9px;border-radius:100px;display:inline-flex;align-items:center;gap:6px;
}
.status-pill::before{content:'';width:6px;height:6px;border-radius:50%;}
.status-in{background:var(--ok-bg);color:var(--ok);}
.status-in::before{background:var(--ok);}
.status-low{background:var(--amber-bg);color:var(--amber);}
.status-low::before{background:var(--amber);}
.status-out{background:var(--danger-bg);color:var(--danger);}
.status-out::before{background:var(--danger);}
.stock-count{font-family:'JetBrains Mono',monospace;font-size:.78rem;color:var(--text-dim);margin-top:2px;}

.empty-state{text-align:center;padding:60px 20px;color:var(--text-dim);}

/* ---------- About / features ---------- */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;}
.feature{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;}
.feature .num{font-family:'JetBrains Mono',monospace;color:var(--accent);font-size:.8rem;margin-bottom:8px;}
.feature h3{margin:0 0 6px;font-size:1.02rem;}
.feature p{margin:0;color:var(--text-dim);font-size:.88rem;line-height:1.5;}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;}
@media (max-width:820px){.contact-grid{grid-template-columns:1fr;}}
.contact-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.contact-row{display:flex;gap:14px;padding:12px 0;border-bottom:1px solid var(--border);}
.contact-row:last-child{border-bottom:none;}
.contact-row svg{width:20px;height:20px;color:var(--accent);flex-shrink:0;margin-top:2px;}
.contact-row .label{font-size:.75rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.06em;font-family:'JetBrains Mono',monospace;}
.contact-row .value{font-weight:500;}
.contact-actions{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--border);padding:22px 0;color:var(--text-dim);font-size:.85rem;}
.footer-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;}
footer a{color:var(--text-dim);text-decoration:none;}

/* ---------- Compact stock list (icon-based, mobile-first, click-to-expand) ---------- */
.stock-list{display:flex;flex-direction:column;gap:10px;}

.stock-row{
  background:var(--surface);border:1px solid var(--border);border-radius:12px;
  box-shadow:var(--shadow);overflow:hidden;
  transition:border-color .15s ease;
}
.stock-row.expanded{border-color:var(--accent);}

.row-main{
  display:flex;align-items:center;gap:14px;
  padding:12px 14px;cursor:pointer;
}
.row-main:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;}

.row-icon{
  width:44px;height:44px;flex-shrink:0;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:var(--surface-2);color:var(--accent);
}
.row-icon svg{width:22px;height:22px;}
.row-icon.status-low{color:var(--amber);}
.row-icon.status-out{color:var(--danger);}

.row-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px;}
.row-info .card-brand{font-size:.68rem;}
.row-model{margin:0;font-size:.98rem;font-weight:600;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.row-price{font-size:.82rem;color:var(--text-dim);font-weight:600;}

.row-stock{display:flex;flex-direction:column;align-items:flex-end;gap:6px;flex-shrink:0;}
.row-status{white-space:nowrap;}
.stock-live-num{font-size:1.1rem;font-weight:700;color:var(--text);min-width:1.4em;text-align:center;}

.row-chevron{flex-shrink:0;color:var(--text-dim);transition:transform .25s ease;}
.stock-row.expanded .row-chevron{transform:rotate(180deg);color:var(--accent);}

.row-expand{
  max-height:0;overflow:hidden;
  transition:max-height .28s ease;
}
.row-expand-inner{
  padding:2px 14px 16px;
  border-top:1px solid var(--border);
  margin-top:0;
  display:flex;flex-direction:column;gap:12px;
}
.row-expand .card-details{margin:12px 0 0;font-size:.88rem;}

.stock-gauge-mini{height:5px;border-radius:100px;background:var(--border);overflow:hidden;}
.stock-gauge-mini .stock-gauge-fill{height:100%;border-radius:100px;background:var(--accent);transition:width .4s ease;}
.stock-gauge-fill.status-low{background:var(--amber);}
.stock-gauge-fill.status-out{background:var(--danger);}

.stock-adjust-inline{display:flex;align-items:center;gap:10px;}
.stock-btn{
  width:32px;height:32px;border-radius:8px;border:1px solid var(--border);
  background:var(--surface-2);color:var(--text);font-weight:700;font-size:1.1rem;line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.stock-btn:hover{border-color:var(--accent);color:var(--accent);}
.stock-btn:active{transform:scale(.92);}
.stock-btn:disabled{opacity:.5;cursor:not-allowed;}
.stock-adjust-inline .stock-live-num{font-size:1.25rem;}

.admin-mode-banner{background:var(--ok-bg);color:var(--ok);border-bottom:1px solid var(--border);font-size:.85rem;}
.admin-mode-banner-inner{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px 20px;flex-wrap:wrap;}
.admin-mode-banner-inner a{color:inherit;font-weight:600;text-decoration:underline;white-space:nowrap;}

@media (max-width:480px){
  .row-main{gap:10px;padding:10px;}
  .row-icon{width:38px;height:38px;}
  .row-icon svg{width:19px;height:19px;}
  .row-model{font-size:.92rem;}
}

/* ---------- Mobile nav ---------- */
.nav-toggle{display:none;background:transparent;border:1px solid var(--border);border-radius:10px;width:42px;height:42px;align-items:center;justify-content:center;color:var(--text);}
@media (max-width:760px){
  .nav-links{position:fixed;inset:64px 12px auto 12px;background:var(--surface);border:1px solid var(--border);border-radius:14px;
    flex-direction:column;padding:14px;gap:4px;box-shadow:var(--shadow);display:none;}
  .nav-links.open{display:flex;}
  .nav-links a{padding:10px 8px;border-radius:8px;}
  .nav-links a:hover{background:var(--surface-2);}
  .nav-toggle{display:flex;}
}

/* ---------- Admin ---------- */
.admin-shell{min-height:100vh;background:var(--bg);}
.admin-header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--border);background:var(--surface);}
.admin-wrap{max-width:1100px;margin:0 auto;padding:26px 20px 60px;}
.tabs{display:flex;gap:8px;margin-bottom:22px;border-bottom:1px solid var(--border);flex-wrap:wrap;}
.tab{padding:10px 16px;border-radius:10px 10px 0 0;color:var(--text-dim);text-decoration:none;font-size:.9rem;font-weight:600;border:1px solid transparent;}
.tab.active{color:var(--accent);border-color:var(--border);border-bottom-color:var(--surface);background:var(--surface);}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
@media (max-width:640px){.form-grid{grid-template-columns:1fr;}}
.field{display:flex;flex-direction:column;gap:6px;}
.field.full{grid-column:1/-1;}
.field label{font-size:.8rem;color:var(--text-dim);font-weight:600;}
.field input,.field select,.field textarea{
  padding:11px 12px;border-radius:9px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);font-family:inherit;font-size:.95rem;
}
.field textarea{resize:vertical;min-height:80px;}
.table-wrap{overflow-x:auto;}
table{width:100%;border-collapse:collapse;font-size:.9rem;}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);}
th{color:var(--text-dim);font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;font-family:'JetBrains Mono',monospace;}
.row-icon-sm{width:32px;height:32px;border-radius:8px;background:var(--surface-2);color:var(--accent);display:flex;align-items:center;justify-content:center;}
.row-icon-sm svg{width:16px;height:16px;}
.row-actions{display:flex;gap:8px;}
.icon-btn{width:32px;height:32px;border-radius:8px;border:1px solid var(--border);background:var(--surface-2);display:inline-flex;align-items:center;justify-content:center;color:var(--text);}
.icon-btn:hover{border-color:var(--accent);color:var(--accent);}
.stock-adjust{display:flex;align-items:center;gap:6px;}
.stock-adjust button{width:26px;height:26px;border-radius:6px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);font-weight:700;line-height:1;}
.stock-adjust input{width:52px;text-align:center;padding:5px;border-radius:6px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);font-family:'JetBrains Mono',monospace;}

.alert{padding:12px 14px;border-radius:10px;font-size:.88rem;margin-bottom:16px;}
.alert-ok{background:var(--ok-bg);color:var(--ok);}
.alert-err{background:var(--danger-bg);color:var(--danger);}

.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:var(--bg);}
.login-card{width:100%;max-width:380px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);}
.login-card h1{font-size:1.3rem;margin:0 0 4px;}
.login-card p{color:var(--text-dim);font-size:.88rem;margin:0 0 20px;}
.checkbox-row{display:flex;align-items:center;gap:8px;font-size:.88rem;color:var(--text-dim);margin:14px 0 18px;}
.checkbox-row input{width:16px;height:16px;}

.section-title-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap;gap:10px;}
.badge-muted{font-family:'JetBrains Mono',monospace;font-size:.75rem;color:var(--text-dim);background:var(--surface-2);padding:4px 10px;border-radius:100px;}