/* ═══════════════════════════════════════════════════════════════
   JIM'S GEM — SHARED STYLES  v3
   ═══════════════════════════════════════════════════════════════ */

/* ─── TOKENS ──────────────────────────────────────────────── */
:root { --transition: 0.35s cubic-bezier(.4,0,.2,1); }

[data-theme="dark"] {
  --bg:#090d12;--bg2:#0e1520;--bg3:#141d2b;--surface:#192333;
  --border:#243347;--gold:#5bbcb8;--gold-light:#85d4d0;--gold-dim:#2d7a76;
  --text:#dce8f0;--text-muted:#6e8ea8;--text-subtle:#3d5570;
  --accent:#2d6e9e;--gem:#1a5c8a;--nav-bg:rgba(9,13,18,0.92);
  --danger:#e05c6a;--success:#4cbb8a;
}
[data-theme="light"] {
  --bg:#f2f6fa;--bg2:#e8eef5;--bg3:#dde5ef;--surface:#fff;
  --border:#c4d3e0;--gold:#2a8f8b;--gold-light:#3fb8b4;--gold-dim:#5aaaa6;
  --text:#0e1e2e;--text-muted:#4a6880;--text-subtle:#8aaabf;
  --accent:#1a6090;--gem:#1a4d7a;--nav-bg:rgba(242,246,250,0.94);
  --danger:#c0392b;--success:#1e8449;
}

/* ─── RESET ───────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Tenor Sans',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;transition:background var(--transition),color var(--transition);overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
ul{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}

/* ─── BUTTONS ─────────────────────────────────────────────── */
.btn-primary {
  display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;
  font-family:'DM Mono',monospace;font-size:0.72rem;letter-spacing:0.14em;
  text-transform:uppercase;color:var(--bg);background:var(--gold);
  padding:0.85rem 2rem;border-radius:4px;border:none;cursor:pointer;
  transition:background var(--transition),transform 0.2s;width:100%;
}
.btn-primary:hover{background:var(--gold-light);transform:translateY(-2px)}
.btn-ghost {
  display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;
  font-family:'DM Mono',monospace;font-size:0.72rem;letter-spacing:0.14em;
  text-transform:uppercase;color:var(--text-muted);border:1px solid var(--border);
  padding:0.85rem 2rem;border-radius:4px;cursor:pointer;background:none;
  transition:color var(--transition),border-color var(--transition),transform 0.2s;width:100%;
}
.btn-ghost:hover{color:var(--gold);border-color:var(--gold-dim);transform:translateY(-2px)}

/* ─── NAV ─────────────────────────────────────────────────── */
.nav {
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:var(--nav-bg);backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:1px solid var(--border);
  transition:background var(--transition),border-color var(--transition);
}
.nav__inner {
  max-width:1280px;margin:0 auto;padding:0 2rem;height:72px;
  display:flex;align-items:center;justify-content:space-between;gap:1.5rem;
}
.nav__logo{display:flex;align-items:center;gap:0.7rem;flex-shrink:0}
.nav__logo-gem{width:34px;height:34px;position:relative;flex-shrink:0}
.nav__logo-gem svg{width:100%;height:100%}
.nav__logo-text{display:flex;flex-direction:column;line-height:1}
.nav__logo-main{font-family:'Cormorant Garamond',serif;font-size:1.45rem;font-weight:600;color:var(--gold);letter-spacing:0.04em}
.nav__logo-sub{font-family:'DM Mono',monospace;font-size:0.52rem;letter-spacing:0.22em;color:var(--text-muted);text-transform:uppercase;margin-top:2px}
.nav__links{display:flex;align-items:center;gap:0.25rem;flex:1;justify-content:center}
.nav__link{font-family:'DM Mono',monospace;font-size:0.7rem;letter-spacing:0.18em;text-transform:uppercase;color:var(--text-muted);padding:0.5rem 1rem;border-radius:4px;transition:color var(--transition),background var(--transition);position:relative}
.nav__link::after{content:'';position:absolute;bottom:4px;left:50%;right:50%;height:1px;background:var(--gold);transition:left var(--transition),right var(--transition)}
.nav__link:hover,.nav__link.active{color:var(--gold)}
.nav__link:hover::after,.nav__link.active::after{left:1rem;right:1rem}
.nav__link i{margin-right:0.3rem}
.nav__actions{display:flex;align-items:center;gap:0.75rem;flex-shrink:0}

/* Cart button */
.cart-btn{position:relative;width:40px;height:40px;border-radius:8px;background:var(--bg3);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:1rem;transition:all var(--transition);cursor:pointer}
.cart-btn:hover{border-color:var(--gold);color:var(--gold)}
.cart-badge{position:absolute;top:-6px;right:-6px;background:var(--gold);color:var(--bg);font-family:'DM Mono',monospace;font-size:0.55rem;font-weight:700;width:18px;height:18px;border-radius:50%;display:none;align-items:center;justify-content:center}

/* Theme toggle */
.theme-btn{width:44px;height:26px;background:var(--bg3);border:1px solid var(--border);border-radius:13px;position:relative;transition:background var(--transition),border-color var(--transition);flex-shrink:0}
.theme-btn__knob{position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:var(--gold);transition:transform var(--transition),background var(--transition);display:flex;align-items:center;justify-content:center;font-size:0.6rem}
[data-theme="light"] .theme-btn__knob{transform:translateX(18px)}
.theme-btn__icon{pointer-events:none;user-select:none}

/* Login button */
.login-btn{font-family:'DM Mono',monospace;font-size:0.68rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--bg);background:var(--gold);padding:0.52rem 1.1rem;border-radius:4px;transition:background var(--transition),transform 0.15s;white-space:nowrap}
.login-btn:hover{background:var(--gold-light);transform:translateY(-1px)}

/* Hamburger */
.hamburger{display:none;flex-direction:column;gap:5px;padding:6px;border-radius:4px;transition:background var(--transition)}
.hamburger:hover{background:var(--bg3)}
.hamburger__bar{width:22px;height:2px;background:var(--text-muted);border-radius:2px;transition:transform var(--transition),opacity var(--transition),background var(--transition);transform-origin:center}
.hamburger.open .hamburger__bar:nth-child(1){transform:translateY(7px) rotate(45deg);background:var(--gold)}
.hamburger.open .hamburger__bar:nth-child(2){opacity:0}
.hamburger.open .hamburger__bar:nth-child(3){transform:translateY(-7px) rotate(-45deg);background:var(--gold)}

/* Mobile menu */
.mobile-menu{display:none;position:fixed;top:72px;left:0;right:0;z-index:99;background:var(--bg2);border-bottom:1px solid var(--border);padding:1.5rem 2rem 2rem;transform:translateY(-8px);opacity:0;pointer-events:none;transition:transform var(--transition),opacity var(--transition),background var(--transition)}
.mobile-menu.open{display:block;transform:translateY(0);opacity:1;pointer-events:all}
.mobile-menu__links{display:flex;flex-direction:column;gap:0.25rem;margin-bottom:1.5rem}
.mobile-menu__link{font-family:'DM Mono',monospace;font-size:0.75rem;letter-spacing:0.16em;text-transform:uppercase;color:var(--text-muted);padding:0.8rem 0;border-bottom:1px solid var(--border);transition:color var(--transition);display:block}
.mobile-menu__link i{margin-right:0.5rem}
.mobile-menu__link:hover{color:var(--gold)}
.mobile-menu__actions{display:flex;align-items:center;gap:1rem}
.mobile-menu__login{font-family:'DM Mono',monospace;font-size:0.7rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--bg);background:var(--gold);padding:0.6rem 1.4rem;border-radius:4px}

/* ─── FOOTER ──────────────────────────────────────────────── */
footer{background:var(--bg2);border-top:1px solid var(--border);transition:background var(--transition)}
.footer__top{max-width:1280px;margin:0 auto;padding:5rem 2rem 3rem;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:3rem}
.footer__brand-text{font-family:'Cormorant Garamond',serif;font-size:0.95rem;line-height:1.8;color:var(--text-muted);margin-top:1rem;margin-bottom:1.5rem}
.footer__social{display:flex;gap:0.75rem}
.footer__soc-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:0.85rem;color:var(--text-muted);transition:border-color var(--transition),color var(--transition),background var(--transition)}
.footer__soc-btn:hover{border-color:var(--gold);color:var(--gold)}
.footer__heading{font-family:'DM Mono',monospace;font-size:0.6rem;letter-spacing:0.22em;text-transform:uppercase;color:var(--gold);margin-bottom:1.25rem}
.footer__links{display:flex;flex-direction:column;gap:0.6rem}
.footer__link{font-size:0.88rem;color:var(--text-muted);transition:color var(--transition)}
.footer__link:hover{color:var(--gold)}
.footer__link i{margin-right:0.4rem;opacity:0.7}
.newsletter__desc{font-size:0.85rem;color:var(--text-muted);line-height:1.7;margin-bottom:1rem}
.newsletter__form{display:flex;flex-direction:column;gap:0.6rem}
.newsletter__input{background:var(--bg3);border:1px solid var(--border);border-radius:4px;padding:0.7rem 1rem;font-family:'Tenor Sans',sans-serif;font-size:0.85rem;color:var(--text);outline:none;transition:border-color var(--transition),background var(--transition),color var(--transition)}
.newsletter__input::placeholder{color:var(--text-subtle)}
.newsletter__input:focus{border-color:var(--gold-dim)}
.newsletter__submit{font-family:'DM Mono',monospace;font-size:0.68rem;letter-spacing:0.15em;text-transform:uppercase;background:var(--gold);color:var(--bg);padding:0.7rem 1rem;border-radius:4px;cursor:pointer;transition:background var(--transition);border:none}
.newsletter__submit:hover{background:var(--gold-light)}
.footer__divider{border:none;border-top:1px solid var(--border);transition:border-color var(--transition)}
.footer__bottom{max-width:1280px;margin:0 auto;padding:1.5rem 2rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem}
.footer__copy{font-family:'DM Mono',monospace;font-size:0.6rem;letter-spacing:0.14em;color:var(--text-subtle);text-transform:uppercase}
.footer__legal{display:flex;gap:1.5rem}
.footer__legal-link{font-family:'DM Mono',monospace;font-size:0.6rem;letter-spacing:0.12em;text-transform:uppercase;color:var(--text-subtle);transition:color var(--transition)}
.footer__legal-link:hover{color:var(--gold)}
.footer__credit{font-family:'DM Mono',monospace;font-size:0.6rem;letter-spacing:0.12em;text-transform:uppercase;color:var(--text-subtle)}
.footer__credit strong{color:var(--gold)}

/* ─── TOAST ───────────────────────────────────────────────── */
.toast{position:fixed;bottom:2rem;right:2rem;z-index:999;background:var(--surface);border:1px solid var(--gold-dim);padding:0.9rem 1.4rem;border-radius:6px;font-family:'DM Mono',monospace;font-size:0.68rem;letter-spacing:0.1em;color:var(--text);box-shadow:0 8px 30px rgba(0,0,0,0.3);transform:translateY(80px);opacity:0;transition:transform 0.4s cubic-bezier(.4,0,.2,1),opacity 0.4s;pointer-events:none}
.toast.show{transform:translateY(0);opacity:1}

/* ─── FORM UTILITIES ──────────────────────────────────────── */
.form-hint{font-family:'DM Mono',monospace;font-size:0.62rem;letter-spacing:0.12em;text-transform:uppercase;color:var(--text-muted)}

/* ─── ANIMATIONS ──────────────────────────────────────────── */
.fade-up{opacity:0;transform:translateY(24px);animation:fadeUp 0.7s ease forwards}
.fade-up:nth-child(2){animation-delay:0.12s}
.fade-up:nth-child(3){animation-delay:0.24s}
.fade-up:nth-child(4){animation-delay:0.36s}
@keyframes fadeUp{to{opacity:1;transform:translateY(0)}}

/* ─── RESPONSIVE ──────────────────────────────────────────── */
@media(max-width:900px){
  .nav__links{display:none}
  .login-btn{display:none}
  .hamburger{display:flex}
  .mobile-menu{display:block}
  .footer__top{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .nav__inner{padding:0 1rem}
  .nav__logo-gem{width:24px;height:24px}
  .nav__logo-main{font-size:1.05rem}
  .nav__logo-sub{display:none}
  .footer__top{grid-template-columns:1fr;padding:3rem 1.5rem 2rem}
  .footer__bottom{flex-direction:column;align-items:flex-start}
}

/* ─── FORM FIELDS ─────────────────────────────────────────── */
.form-group { display:flex; flex-direction:column; gap:0.4rem; margin-bottom:1rem; }
.form-label { font-family:'DM Mono',monospace; font-size:0.62rem; letter-spacing:0.14em; text-transform:uppercase; color:var(--text-muted); }
.form-input, .form-select, .form-textarea {
  background:var(--bg3); border:1px solid var(--border); border-radius:4px;
  padding:0.75rem 1rem; font-family:'Tenor Sans',sans-serif; font-size:0.9rem;
  color:var(--text); outline:none; width:100%;
  transition:border-color var(--transition), background var(--transition), color var(--transition);
}
.form-input::placeholder, .form-textarea::placeholder { color:var(--text-subtle); }
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color:var(--gold-dim); }
.form-select { appearance:none; cursor:pointer; }
.form-textarea { resize:vertical; min-height:100px; }

/* ─── TOAST VARIANTS ──────────────────────────────────────── */
/* Support both .show and .toast--show for cross-page compatibility */
.toast.toast--show{transform:translateY(0);opacity:1}
.toast.success,.toast.toast--success{border-color:rgba(76,187,138,0.45);color:var(--success)}
.toast.danger,.toast.toast--danger{border-color:rgba(224,92,106,0.45);color:var(--danger)}
.toast.info,.toast.toast--info{border-color:var(--gold-dim);color:var(--gold)}
.toast.error,.toast.toast--error{border-color:rgba(224,92,106,0.45);color:var(--danger)}

/* ─── OR DIVIDER ──────────────────────────────────────────── */
.divider{display:flex;align-items:center;gap:1rem;margin:1.25rem 0;font-family:'DM Mono',monospace;font-size:0.6rem;letter-spacing:0.18em;text-transform:uppercase;color:var(--text-subtle)}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:var(--border)}

/* ─── FORM ERROR / SUCCESS ────────────────────────────────── */
.form-error{font-family:'DM Mono',monospace;font-size:0.65rem;letter-spacing:0.08em;color:var(--danger);padding:0.65rem 0.9rem;border-radius:4px;background:rgba(224,92,106,0.08);border:1px solid rgba(224,92,106,0.25)}
.form-success{font-family:'DM Mono',monospace;font-size:0.65rem;letter-spacing:0.08em;color:var(--success);padding:0.65rem 0.9rem;border-radius:4px;background:rgba(76,187,138,0.08);border:1px solid rgba(76,187,138,0.25)}

/* ─── SHAKE ANIMATION ─────────────────────────────────────── */
@keyframes shake{0%,100%{transform:translateX(0)}15%{transform:translateX(-7px)}30%{transform:translateX(7px)}45%{transform:translateX(-5px)}60%{transform:translateX(5px)}75%{transform:translateX(-3px)}90%{transform:translateX(3px)}}
.shake{animation:shake 0.55s cubic-bezier(.36,.07,.19,.97) both}