/* ==========================================================================
   Global (Groceries module) — Glassy Blue UI + Mobile Nav + PWA friendly
   Uses official gradient: #7b8fff → #84d3fa
   Each page will also include its own page CSS (index.css, login.css, etc.)
   ========================================================================== */

/* 0) Tokens */
:root{
  --ui-font: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  --ui-head: 'Poppins', var(--ui-font);

  --bg: linear-gradient(120deg, #7b8fff 0%, #84d3fa 100%);
  --glass-1: rgba(255,255,255,.16);
  --glass-2: rgba(255,255,255,.10);
  --glass-br: rgba(255,255,255,.28);
  --shadow-1: 0 10px 40px rgba(0,0,0,.25), 0 2px 10px rgba(0,0,0,.12);

  --ink: #fff;
  --muted: rgba(255,255,255,.85);

  --radius: 18px;
  --gap: 14px;
  --nav-height: 64px;
}

/* 1) Reset & base */
*,
*::before,*::after{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin:0;
  color: var(--ink);
  font-family: var(--ui-font);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--bg);
}

/* Accessibility */
.skip-link{
  position: absolute; left: -9999px; top: auto;
  width: 1px; height: 1px; overflow: hidden;
}
.skip-link:focus{
  left: 8px; top: 8px; width: auto; height: auto; z-index: 9999;
  background: #000; color:#fff; padding:8px 10px; border-radius:10px;
}

/* 2) Layout wrapper (per your global override rule) */
main.main-content{
  display:block !important;
  padding:0;    /* keep zero; each page will add its own inner spacing */
  margin:0;
}

/* Container helper */
.container{ max-width: 1180px; margin: 0 auto; padding: 0 12px; }

/* 3) Glassy Header */
.site-header{
  position: sticky; top: 0; z-index: 50;
  height: var(--nav-height);
  backdrop-filter: blur(14px) saturate(140%);
  background: var(--glass-2);
  border-bottom: 1px solid var(--glass-br);
  box-shadow: var(--shadow-1);
}
.site-header .container{
  height: 100%;
  display:flex; align-items:center; justify-content:space-between; gap:10px;
}
.brand{
  display:flex; align-items:center; gap:10px; text-decoration:none; color:inherit;
}
.brand-logo{ width: 28px; height: 28px; display:block; }
.brand-name{ font: 700 18px/1 var(--ui-head); letter-spacing:.2px; }

/* Mobile nav toggle (checkbox hack) */
.nav-toggle{
  display:none; cursor:pointer;
  border:1px solid var(--glass-br);
  background: var(--glass-1);
  padding:6px 10px; border-radius:12px;
}
.nav-toggle .material-symbols-outlined{ font-size:22px; line-height:1; }

.main-nav{
  display:flex; align-items:center; gap:10px;
}
.main-nav a{
  display:inline-flex; align-items:center; gap:6px;
  padding:8px 10px; border-radius:12px; text-decoration:none; color:inherit;
  border:1px solid transparent;
}
.main-nav a:hover{ background: var(--glass-1); border-color: var(--glass-br); }

/* User area */
.user-area{ display:flex; align-items:center; gap:10px; }
.user-area .avatar{
  width:28px; height:28px; border-radius:50%;
  border:1px solid var(--glass-br); background:#fff;
}
.user-area .uname{ font-weight:600; }
.user-area .login-btn{
  display:inline-flex; align-items:center; gap:6px;
  padding:8px 12px; border-radius:12px; text-decoration:none; color:inherit;
  background: linear-gradient(135deg, rgba(255,255,255,.22), rgba(255,255,255,.14));
  border:1px solid var(--glass-br); box-shadow: var(--shadow-1);
}
.user-area .logout{
  display:inline-flex; align-items:center; gap:6px; color:inherit; text-decoration:none;
  padding:6px 8px; border-radius:10px; border:1px solid var(--glass-br); background: var(--glass-2);
}

/* 4) Footer */
.site-footer{
  margin-top: 24px;
  backdrop-filter: blur(12px) saturate(140%);
  background: var(--glass-2);
  border-top: 1px solid var(--glass-br);
}
.site-footer .container{
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  padding: 12px;
}
.site-footer a{ color:inherit; text-decoration:none; }
.site-footer a:hover{ text-decoration:underline; }

/* 5) Reusable UI bits */
.card{
  background: var(--glass-2);
  border: 1px solid var(--glass-br);
  border-radius: 20px;
  box-shadow: var(--shadow-1);
}
.btn{
  --pad: 10px 14px;
  display:inline-flex; align-items:center; gap:8px;
  padding: var(--pad); color:#fff; font-weight:600; border:0; border-radius:14px;
  background: linear-gradient(135deg, rgba(255,255,255,.22), rgba(255,255,255,.14));
  border:1px solid var(--glass-br);
  cursor:pointer; box-shadow: var(--shadow-1);
}
.btn.ghost{ background: rgba(255,255,255,.10); }
.btn.xs{ --pad: 6px 10px; font-size:12px; }
.input{
  width:100%; padding:10px 12px; border-radius:12px; color:#fff;
  background: rgba(255,255,255,.18); border:1px solid var(--glass-br);
}
.badge{
  display:inline-block; padding:4px 8px; border-radius:10px;
  background: rgba(255,255,255,.20); border:1px solid var(--glass-br);
  font-size:12px;
}

/* 6) Mobile layout */
@media (max-width: 960px){
  .nav-toggle{ display:flex; }
  .main-nav{
    position: fixed; inset: var(--nav-height) 0 auto 0;
    right: 12px; left: 12px; top: calc(var(--nav-height) + 10px);
    display:block; padding:10px; border-radius:16px;
    background: var(--glass-2); border:1px solid var(--glass-br);
    transform: translateY(-8px); opacity:0; pointer-events:none;
    transition: transform .18s ease, opacity .18s ease;
  }
  .main-nav a{ display:flex; padding:10px 12px; margin:6px 0; }
  .nav-switch:checked ~ .nav-toggle + .main-nav{
    transform: translateY(0); opacity:1; pointer-events:auto;
  }
}

/* 7) Material Symbols baseline fix */
.material-symbols-outlined{
  font-variation-settings: 'FILL' 0,'wght' 400,'GRAD' 0,'opsz' 24;
  vertical-align: middle;
}

.store-mini,
.store-select select {
  background: var(--surface, rgba(255,255,255,0.08));
  color: var(--text, #eee);
  border: 1px solid rgba(255,255,255,0.15);
}
.store-mini option { color: #111; } /* options render in native popup */