:root {
  --red: #E31E24; --red-dark: #b71418; --red-light: #FFF0F0; --red-mid: #FCE8E8;
  --dark: #111111; --dark2: #1C1C1C;
  --text: #111111; --muted: #666666; --bg: #FFFFFF;
  --gray: #F7F7F7; --gray2: #EEEEEE;
  --white: #FFFFFF;
  --shadow: rgba(0,0,0,0.08); --shadow-lg: rgba(0,0,0,0.15); --shadow-red: rgba(227,30,36,0.25);
  --r-sm: 12px; --r-md: 20px; --r-lg: 32px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ── TOPBAR ── */
.topbar{background:var(--red);color:#fff;text-align:center;font-size:12px;padding:8px 20px;font-weight:600;letter-spacing:0.3px}
.topbar a{color:#fff;font-weight:700;margin-left:6px;text-decoration:underline}

/* ── NAV ── */
nav{background:rgba(255,255,255,0.94);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(0,0,0,0.06);position:sticky;top:0;z-index:100;transition:box-shadow var(--transition)}
nav.scrolled{box-shadow:0 4px 24px var(--shadow)}
.nav-inner{max-width:1240px;margin:0 auto;display:flex;align-items:center;padding:14px 20px;gap:12px}
.logo img{height:40px;display:block}
.nav-links{display:none;align-items:center;gap:2px;margin-left:auto}
.nav-links a{font-size:13px;font-weight:500;color:var(--muted);padding:6px 10px;border-radius:8px;transition:all var(--transition)}
.nav-links a:hover, .nav-links a.active{background:var(--red-light);color:var(--red)}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.btn-login{background:transparent;border:1.5px solid var(--red);color:var(--red);padding:7px 16px;border-radius:24px;font-size:13px;font-weight:600;cursor:pointer;transition:all var(--transition);display:none;font-family:'Nunito',sans-serif}
.btn-login:hover{background:var(--red);color:#fff}
.btn-logout{background:transparent;border:1.5px solid var(--gray2);color:var(--muted);padding:7px 16px;border-radius:24px;font-size:13px;font-weight:600;cursor:pointer;display:none;font-family:'Nunito',sans-serif}
.user-greeting{font-size:13px;font-weight:600;color:var(--red);display:none}
.btn-cart-nav{background:var(--red);color:#fff;border:none;padding:9px 16px;border-radius:24px;font-size:13px;font-weight:600;display:flex;align-items:center;gap:6px;text-decoration:none;transition:all var(--transition);box-shadow:0 2px 12px var(--shadow-red)}
.btn-cart-nav:hover{background:var(--red-dark);transform:translateY(-1px)}
.cart-badge{background:#fff;color:var(--red);border-radius:50%;width:18px;height:18px;font-size:10px;display:flex;align-items:center;justify-content:center;font-weight:800;min-width:18px}
.hamburger{display:flex;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:6px;margin-left:8px}
.hamburger span{display:block;width:22px;height:2px;background:var(--dark);border-radius:2px;transition:all var(--transition)}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{position:absolute;top:100%;left:0;right:0;background:rgba(255,255,255,0.98);backdrop-filter:blur(20px);border-bottom:1px solid rgba(0,0,0,0.06);padding:8px 20px 20px;display:none;flex-direction:column;z-index:99;box-shadow:0 8px 32px var(--shadow)}
.mobile-menu.open{display:flex}
.mobile-menu a{font-size:15px;font-weight:500;color:var(--dark);padding:12px 4px;border-bottom:1px solid var(--gray);display:block}
.mobile-menu a:last-child{border-bottom:none}
.mobile-menu a:hover, .mobile-menu a.active{color:var(--red)}
nav{position:relative}

/* ── MODAL ── */
.modal-overlay{position:fixed;inset:0;background:rgba(44,24,16,0.6);backdrop-filter:blur(8px);z-index:999;display:none;align-items:flex-end;justify-content:center;padding:20px}
.modal-overlay.open{display:flex}
.modal{background:#fff;border-radius:var(--r-lg) var(--r-lg) var(--r-md) var(--r-md);padding:36px 28px 28px;width:100%;max-width:420px;position:relative;max-height:90svh;overflow-y:auto}
.modal-close{position:absolute;top:18px;right:20px;font-size:22px;cursor:pointer;color:var(--muted);background:none;border:none;line-height:1;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background var(--transition)}
.modal-close:hover{background:var(--gray)}
.modal h2{font-family:'Poppins',sans-serif;font-size:28px;font-weight:700;color:var(--dark);margin-bottom:4px}
.modal p{color:var(--muted);font-size:13px;margin-bottom:24px}
.modal-tabs{display:flex;margin-bottom:24px;border-bottom:1.5px solid var(--gray2)}
.modal-tab{flex:1;padding:10px;text-align:center;font-weight:600;font-size:14px;cursor:pointer;border-bottom:2.5px solid transparent;margin-bottom:-1.5px;transition:all var(--transition);color:var(--muted)}
.modal-tab.active{color:var(--red);border-bottom-color:var(--red)}
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:12px;font-weight:600;margin-bottom:6px;color:var(--muted);text-transform:uppercase;letter-spacing:0.5px}
.form-group input{width:100%;padding:12px 14px;border:1.5px solid var(--gray2);border-radius:12px;font-size:14px;font-family:'Nunito',sans-serif;color:var(--dark);background:var(--gray);transition:border-color var(--transition)}
.form-group input:focus{outline:none;border-color:var(--red)}
.modal-submit{width:100%;padding:14px;background:var(--red);color:#fff;border:none;border-radius:32px;font-size:15px;font-weight:600;cursor:pointer;font-family:'Nunito',sans-serif;transition:all var(--transition);margin-top:8px}
.modal-submit:hover{background:var(--red-dark)}
.modal-error{background:#fef2f2;border:1px solid rgba(227,30,36,0.2);color:#c00;border-radius:10px;padding:10px 14px;font-size:13px;margin-bottom:14px;display:none}
.modal-success{background:#f0fdf4;border:1px solid rgba(22,163,74,0.2);color:#166534;border-radius:10px;padding:10px 14px;font-size:13px;margin-bottom:14px;display:none}

/* ── TOAST ── */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(80px);background:var(--dark);color:#fff;padding:13px 22px;border-radius:32px;font-size:14px;font-weight:600;z-index:9999;opacity:0;transition:all 0.35s cubic-bezier(0.4,0,0.2,1);white-space:nowrap;max-width:90vw;box-shadow:0 8px 32px var(--shadow-lg)}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1}
.toast.red{background:var(--red)}

/* ── FOOTER ── */
footer{background:var(--dark);color:rgba(255,255,255,0.65);padding:56px 20px 28px}
.footer-inner{max-width:1240px;margin:0 auto}
.footer-grid{display:grid;grid-template-columns:1fr;gap:40px;margin-bottom:48px}
.footer-brand{font-family:'Poppins',sans-serif;font-size:28px;font-weight:700;color:#fff;margin-bottom:12px;letter-spacing:-0.5px}
.footer-about{font-size:13px;line-height:1.75;color:rgba(255,255,255,0.5);max-width:280px}
.footer-col h4{font-size:11px;font-weight:700;color:rgba(255,255,255,0.9);margin-bottom:16px;text-transform:uppercase;letter-spacing:1.5px}
.footer-col a{display:block;font-size:13px;color:rgba(255,255,255,0.5);margin-bottom:10px;transition:color var(--transition)}
.footer-col a:hover{color:var(--red)}
.footer-divider{border:none;border-top:1px solid rgba(255,255,255,0.08);margin-bottom:24px}
.footer-bottom{text-align:center;font-size:12px;color:rgba(255,255,255,0.3)}

@media(min-width:640px){
  .modal-overlay{align-items:center}
  .modal{border-radius:var(--r-lg)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(min-width:1024px){
  .nav-inner{padding:16px 40px}
  .nav-links{display:flex}
  .hamburger{display:none}
  .nav-actions .btn-login,.nav-actions .btn-logout,.nav-actions .user-greeting{display:inline-flex}
  .footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}
}