/* ============================================================
   Nerd Abstract Store — shared styles
   Reuses the exact design tokens from the main site so the
   shop and admin feel like part of nerdabstract.com.
   ============================================================ */
:root {
  --purple: #8B5CF6;
  --purple-bright: #A78BFA;
  --purple-deep: #6D28D9;
  --purple-darkest: #3B0764;
  --blue: #38BDF8;
  --blue-dim: #0EA5E9;
  --blue-pale: #BAE6FD;
  --bg-black: #09090B;
  --bg-dark: #0F0F14;
  --bg-card: #16161D;
  --bg-elevated: #1E1E28;
  --border: #27272F;
  --border-hover: #3F3F4A;
  --white: #FAFAFA;
  --text-primary: #F0F0F5;
  --text-secondary: #A1A1AA;
  --text-muted: #71717A;
  --accent-gold: #FBBF24;
  --accent-green: #34D399;
  --accent-rose: #FB7185;
  --font-display: 'Cinzel', serif;
  --font-body: 'EB Garamond', serif;
  --font-ui: 'Rajdhani', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-body);background:var(--bg-black);color:var(--text-primary);line-height:1.7;min-height:100vh}
a{color:inherit}
img,video{max-width:100%;display:block}

/* ====== NAV ====== */
nav{position:sticky;top:0;z-index:1000;padding:0 40px;height:72px;display:flex;align-items:center;justify-content:space-between;background:rgba(9,9,11,0.92);backdrop-filter:blur(24px);border-bottom:1px solid rgba(139,92,246,0.15)}
.nav-logo{font-family:var(--font-display);font-size:18px;color:var(--purple-bright);letter-spacing:4px;text-transform:uppercase;text-decoration:none;font-weight:700}
.nav-logo span{color:var(--text-muted);font-weight:400;font-size:13px;letter-spacing:1px}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{font-family:var(--font-ui);font-size:13px;font-weight:600;color:var(--text-secondary);text-decoration:none;text-transform:uppercase;letter-spacing:2px;transition:color 0.3s}
.nav-links a:hover{color:var(--purple-bright)}
.nav-cta{padding:8px 20px;border:1px solid var(--purple);color:var(--purple-bright);border-radius:2px;transition:all 0.3s}
.nav-cta:hover{background:var(--purple);color:var(--white)}

/* ====== LAYOUT ====== */
.wrap{max-width:1200px;margin:0 auto;padding:0 40px}
.page{padding:64px 0 96px}
.page-head{text-align:center;margin-bottom:56px}
.eyebrow{font-family:var(--font-mono);font-size:11px;color:var(--blue-dim);letter-spacing:5px;text-transform:uppercase;margin-bottom:14px}
h1.title{font-family:var(--font-display);font-size:clamp(30px,5vw,52px);font-weight:900;color:var(--white);line-height:1.1;letter-spacing:1px}
h1.title em,.grad{font-style:normal;background:linear-gradient(135deg,var(--purple-bright),var(--blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.lead{font-family:var(--font-body);font-size:18px;color:var(--text-secondary);max-width:620px;margin:16px auto 0}

/* ====== BUTTONS ====== */
.btn{display:inline-block;font-family:var(--font-ui);font-size:13px;font-weight:600;letter-spacing:2px;text-transform:uppercase;padding:13px 28px;border:1px solid;text-decoration:none;transition:all 0.3s;cursor:pointer;border-radius:2px;text-align:center;background:none}
.btn-purple{background:var(--purple);border-color:var(--purple);color:var(--white)}
.btn-purple:hover{background:var(--purple-deep);border-color:var(--purple-deep)}
.btn-outline{background:transparent;border-color:var(--border-hover);color:var(--text-secondary)}
.btn-outline:hover{border-color:var(--purple);color:var(--purple-bright)}
.btn-danger{background:transparent;border-color:rgba(251,113,133,0.4);color:var(--accent-rose)}
.btn-danger:hover{background:rgba(251,113,133,0.12)}
.btn-block{display:block;width:100%}
.btn:disabled,.btn.disabled{opacity:0.45;cursor:not-allowed;pointer-events:none}

/* ====== SHOP GRID ====== */
.shop-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:28px}
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:4px;overflow:hidden;transition:all 0.35s;display:flex;flex-direction:column;text-decoration:none}
.card:hover{border-color:var(--border-hover);transform:translateY(-4px)}
.card-media{aspect-ratio:4/3;background:var(--bg-elevated);position:relative;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-media .placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);color:var(--text-muted);font-size:12px;letter-spacing:2px}
.card-badge{position:absolute;top:10px;left:10px;font-family:var(--font-mono);font-size:9px;letter-spacing:2px;text-transform:uppercase;padding:4px 10px;background:rgba(9,9,11,0.8);border:1px solid rgba(139,92,246,0.3);color:var(--purple-bright);border-radius:2px}
.card-badge.sold{border-color:rgba(251,113,133,0.4);color:var(--accent-rose)}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:6px;flex:1}
.card-cat{font-family:var(--font-mono);font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--blue-dim)}
.card-name{font-family:var(--font-display);font-size:20px;font-weight:700;color:var(--white)}
.card-sub{font-family:var(--font-body);font-size:14px;color:var(--text-secondary);flex:1}
.card-price{font-family:var(--font-ui);font-size:20px;font-weight:700;color:var(--purple-bright);margin-top:8px}

.empty{text-align:center;padding:80px 20px;color:var(--text-muted);font-family:var(--font-ui);letter-spacing:1px}

/* ====== PRODUCT DETAIL ====== */
.product{display:grid;grid-template-columns:1.1fr 0.9fr;gap:56px;align-items:start}
.gallery-main{background:var(--bg-elevated);border:1px solid var(--border);border-radius:6px;overflow:hidden;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center}
.gallery-main img,.gallery-main video{width:100%;height:100%;object-fit:contain;background:#000}
.gallery-thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.thumb{width:72px;height:72px;border:1px solid var(--border);border-radius:4px;overflow:hidden;cursor:pointer;background:var(--bg-elevated);transition:border-color .25s;position:relative}
.thumb.active,.thumb:hover{border-color:var(--purple)}
.thumb img,.thumb video{width:100%;height:100%;object-fit:cover}
.thumb .vtag{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;background:rgba(0,0,0,0.35)}
.p-cat{font-family:var(--font-mono);font-size:11px;letter-spacing:3px;text-transform:uppercase;color:var(--blue-dim);margin-bottom:10px}
.p-name{font-family:var(--font-display);font-size:clamp(26px,3.6vw,40px);font-weight:800;color:var(--white);line-height:1.15}
.p-sub{font-family:var(--font-body);font-size:18px;color:var(--text-secondary);margin-top:8px}
.p-price{font-family:var(--font-ui);font-size:30px;font-weight:700;color:var(--purple-bright);margin:22px 0}
.p-desc{font-family:var(--font-body);font-size:16px;color:var(--text-secondary);line-height:1.85;white-space:pre-wrap;margin-bottom:26px}
.p-meta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.chip{font-family:var(--font-ui);font-size:12px;letter-spacing:1px;text-transform:uppercase;padding:5px 12px;border:1px solid var(--border);border-radius:2px;color:var(--text-secondary)}
.chip.good{border-color:rgba(52,211,153,0.35);color:var(--accent-green)}
.chip.warn{border-color:rgba(251,191,36,0.35);color:var(--accent-gold)}
.buy-row{display:flex;gap:12px;align-items:stretch}
.qty{width:88px;background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-primary);font-family:var(--font-ui);font-size:16px;padding:0 14px;border-radius:2px;text-align:center}
.back-link{display:inline-block;margin-bottom:28px;font-family:var(--font-ui);font-size:13px;letter-spacing:2px;text-transform:uppercase;color:var(--text-muted);text-decoration:none}
.back-link:hover{color:var(--purple-bright)}

/* ====== FORMS (admin) ====== */
.panel{background:var(--bg-card);border:1px solid var(--border);border-radius:6px;padding:32px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:18px}
.field.full{grid-column:1/-1}
label{font-family:var(--font-ui);font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--text-muted);font-weight:600}
input[type=text],input[type=number],input[type=password],textarea,select{background:var(--bg-elevated);border:1px solid var(--border);border-radius:3px;color:var(--text-primary);font-family:var(--font-body);font-size:15px;padding:11px 14px;width:100%;transition:border-color .25s}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--purple)}
textarea{min-height:130px;resize:vertical;line-height:1.7}
.hint{font-family:var(--font-body);font-size:13px;color:var(--text-muted)}
.check{display:flex;align-items:center;gap:10px;font-family:var(--font-ui);color:var(--text-secondary);letter-spacing:1px;font-size:14px}
.check input{width:18px;height:18px;accent-color:var(--purple)}
.file-drop{border:1px dashed var(--border-hover);border-radius:4px;padding:22px;text-align:center;color:var(--text-muted);font-family:var(--font-ui);font-size:14px;letter-spacing:1px}
.file-drop input{margin-top:10px;color:var(--text-secondary)}

/* ====== TABLES (admin) ====== */
.tbl{width:100%;border-collapse:collapse}
.tbl th{font-family:var(--font-ui);font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--text-muted);text-align:left;padding:12px 14px;border-bottom:1px solid var(--border)}
.tbl td{padding:14px;border-bottom:1px solid var(--border);font-family:var(--font-body);font-size:15px;color:var(--text-secondary);vertical-align:middle}
.tbl tr:hover td{background:rgba(255,255,255,0.015)}
.tbl .thumb-sm{width:52px;height:52px;border-radius:4px;object-fit:cover;background:var(--bg-elevated)}
.pill{font-family:var(--font-mono);font-size:10px;letter-spacing:1px;text-transform:uppercase;padding:3px 9px;border-radius:2px;border:1px solid}
.pill.live{border-color:rgba(52,211,153,0.4);color:var(--accent-green)}
.pill.hidden{border-color:var(--border-hover);color:var(--text-muted)}

/* ====== ADMIN CHROME ====== */
.admin-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px;flex-wrap:wrap;gap:16px}
.admin-tabs{display:flex;gap:10px}
.admin-tabs a{font-family:var(--font-ui);font-size:13px;letter-spacing:1px;text-transform:uppercase;color:var(--text-secondary);text-decoration:none;padding:8px 16px;border:1px solid var(--border);border-radius:2px}
.admin-tabs a.active,.admin-tabs a:hover{border-color:var(--purple);color:var(--purple-bright)}
.stat-row{display:flex;gap:16px;margin-bottom:28px;flex-wrap:wrap}
.stat{background:var(--bg-card);border:1px solid var(--border);border-radius:5px;padding:20px 26px;min-width:150px}
.stat .n{font-family:var(--font-display);font-size:30px;font-weight:700;color:var(--purple-bright)}
.stat .l{font-family:var(--font-ui);font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--text-muted);margin-top:4px}
.flash{padding:12px 16px;border-radius:3px;font-family:var(--font-ui);letter-spacing:1px;font-size:14px;margin-bottom:20px;border:1px solid}
.flash.err{border-color:rgba(251,113,133,0.4);color:var(--accent-rose);background:rgba(251,113,133,0.08)}

/* ====== LOGIN ====== */
.login-wrap{min-height:calc(100vh - 72px);display:flex;align-items:center;justify-content:center;padding:40px}
.login-card{width:100%;max-width:400px}
.login-card h1{font-family:var(--font-display);font-size:26px;color:var(--white);text-align:center;margin-bottom:6px}
.login-card p.sub{text-align:center;color:var(--text-muted);font-family:var(--font-ui);font-size:12px;letter-spacing:2px;text-transform:uppercase;margin-bottom:26px}

/* ====== FOOTER ====== */
footer{padding:40px;border-top:1px solid var(--border);text-align:center;background:var(--bg-black)}
.footer-copyright{font-family:var(--font-ui);font-size:11px;color:var(--text-muted);letter-spacing:1px}
footer a{color:var(--text-muted);text-decoration:none}
footer a:hover{color:var(--purple-bright)}

/* ====== NOTICE / SUCCESS ====== */
.notice{max-width:600px;margin:0 auto;text-align:center;padding:60px 20px}
.notice .mark{font-size:52px;margin-bottom:20px}
.notice h1{font-family:var(--font-display);font-size:34px;color:var(--white);margin-bottom:14px}
.notice p{font-family:var(--font-body);font-size:17px;color:var(--text-secondary);margin-bottom:28px}

/* ====== RESPONSIVE ====== */
@media(max-width:900px){
  .product{grid-template-columns:1fr;gap:32px}
  .form-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  nav{padding:0 20px}
  .nav-links{gap:16px}
  .nav-links a:not(.nav-cta){display:none}
  .wrap{padding:0 20px}
}