:root{
  --primary:#2b2d42;
  --secondary:#b5a57a;
  --accent:#e86a4a;
  --velvet:#3a2440;
  --velvet-2:#2b1a30;
  --cream:#f4ead6;
  --leather:#8a6a4a;
  --leather-2:#6f533a;
  --ease:cubic-bezier(.34,1.42,.34,1);
  --safe-bottom:env(safe-area-inset-bottom,0px);
  --safe-top:env(safe-area-inset-top,0px);
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html,body{margin:0;padding:0;}
body{
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:#1c121f;
  color:#fff;
  display:flex;
  justify-content:center;
  min-height:100vh;
}

/* Suitcase outer shell */
.suitcase{
  position:relative;
  width:100%;
  max-width:480px;
  min-height:100vh;
  background:
    radial-gradient(120% 60% at 50% 0%, rgba(0,0,0,.55), rgba(0,0,0,0) 60%),
    linear-gradient(160deg, #2b2d42 0%, #34384f 45%, #2b2d42 100%);
  border-radius:18px;
  overflow:hidden;
  box-shadow:0 18px 40px rgba(0,0,0,.55);
}
.velvet{
  position:relative;
  display:flex;
  flex-direction:column;
  min-height:100vh;
  padding-top:calc(var(--safe-top) + 12px);
}

/* Velvet interior */
.velvet::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 15% 30%, rgba(255,255,255,.04), transparent 40%),
    radial-gradient(circle at 85% 70%, rgba(255,255,255,.03), transparent 40%),
    linear-gradient(165deg, var(--velvet) 0%, var(--velvet-2) 100%);
  pointer-events:none;
  z-index:0;
}
.lid-edge{
  position:absolute;
  top:0;left:0;right:0;height:16px;
  background:linear-gradient(#d8c8a8,#b5a57a);
  border-radius:0 0 10px 10px;
  z-index:3;
  box-shadow:0 4px 8px rgba(0,0,0,.3);
}

/* Side mesh pocket flap */
.pocket{
  position:absolute;
  top:calc(var(--safe-top) + 20px);
  left:8px;
  width:128px;
  z-index:2;
  padding:14px 10px 18px;
  border-radius:8px;
  background:
    repeating-linear-gradient(45deg, rgba(0,0,0,.12) 0 3px, rgba(255,255,255,.06) 3px 6px),
    rgba(18,12,22,.55);
  border:2px solid rgba(181,165,122,.5);
  border-top:none;
  box-shadow:0 6px 14px rgba(0,0,0,.35);
}
.pocket::after{
  content:"";
  position:absolute;bottom:-4px;left:12px;right:12px;height:8px;
  border:2px solid rgba(181,165,122,.5);border-top:none;border-radius:0 0 8px 8px;
}
.pocket-label{
  font-size:9px;letter-spacing:2px;color:var(--secondary);
  text-align:center;margin-bottom:12px;opacity:.9;
}
.rivet{
  position:relative;
  width:64px;height:64px;margin:6px auto 14px;
  border-radius:50%;
  background:radial-gradient(circle at 32% 28%, #c9b983, #8a7a4a 40%, #5c4f2e 75%, #40361c);
  box-shadow:
    inset 0 3px 5px rgba(255,255,255,.35),
    inset 0 -5px 8px rgba(0,0,0,.5),
    0 4px 8px rgba(0,0,0,.4);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  transition:box-shadow .5s;
}
.rivet.glow{
  box-shadow:
    inset 0 3px 5px rgba(255,255,255,.35),
    inset 0 -5px 8px rgba(0,0,0,.5),
    0 0 22px rgba(232,106,74,.9),
    0 4px 8px rgba(0,0,0,.4);
}
.rivet-num{
  font-size:24px;font-weight:700;color:#fff;
  text-shadow:0 1px 1px rgba(0,0,0,.6);
  line-height:1;
}
.rivet-label{
  font-size:9px;letter-spacing:1px;color:#fff;opacity:.9;margin-top:2px;
  text-transform:uppercase;
}
.pocket-stitch{
  position:absolute;bottom:8px;left:10px;right:10px;height:2px;
  background:repeating-linear-gradient(90deg, transparent 0 5px, var(--secondary) 5px 7px);
  opacity:.6;
}

/* Central area */
.central{
  position:relative;z-index:1;
  margin-left:128px;
  padding:calc(var(--safe-top) + 24px) 14px 120px;
  flex:1;
}
.topbar{border-bottom:1px solid rgba(181,165,122,.35);padding-bottom:8px;margin-bottom:14px;}
.brand{
  margin:0;font-size:22px;letter-spacing:4px;color:var(--cream);
  font-weight:800;text-shadow:0 2px 3px rgba(0,0,0,.4);
}
.tagline{margin:2px 0 0;font-size:10px;letter-spacing:1px;color:var(--secondary);}

.section-title{
  font-size:12px;letter-spacing:2px;color:var(--secondary);
  text-transform:uppercase;margin:18px 0 10px;font-weight:600;
}

/* Quick-add leather patch */
.quick-add{margin:6px 0 4px;}
.leather-patch{
  width:100%;
  padding:14px 12px;
  border:none;
  border-radius:10px;
  background:linear-gradient(140deg, #8a6a4a, #6f533a 70%, #5a422e);
  color:#f6ecd8;
  font-family:inherit;font-size:14px;font-weight:700;letter-spacing:1px;
  box-shadow:
    inset 0 2px 3px rgba(255,255,255,.25),
    inset 0 -3px 5px rgba(0,0,0,.35),
    0 5px 10px rgba(0,0,0,.4);
  cursor:pointer;
  position:relative;
}
.leather-patch::after{
  content:"";position:absolute;inset:6px;border:1px dashed rgba(0,0,0,.25);border-radius:6px;
}
.leather-patch:active{transform:translateY(1px) scale(.99);}

/* Luggage tag cards */
.tag-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.tag{
  position:relative;
  width:100%;
  background:linear-gradient(145deg,#a0805a,#7a5d3e);
  border:1px solid rgba(0,0,0,.25);
  border-radius:6px 12px 12px 6px;
  padding:10px 12px 10px 26px;
  cursor:pointer;
  transition:transform var(--ease) .25s, box-shadow var(--ease) .25s, filter var(--ease) .25s;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.2),
    0 4px 9px rgba(0,0,0,.35);
}
.tag::before{
  content:"";position:absolute;left:6px;top:50%;transform:translateY(-50%);
  width:12px;height:12px;border-radius:50%;
  background:rgba(10,6,2,.65);
  box-shadow:inset 0 1px 2px rgba(0,0,0,.8), 0 1px 0 rgba(255,255,255,.15);
}
.tag::after{
  content:"";position:absolute;left:10px;top:50%;transform:translateY(-50%);
  width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.25);
}
.tag:active{transform:scale(.98);}
.tag .t-title{
  font-size:14px;font-weight:700;color:#fbf3e2;
  text-shadow:0 1px 1px rgba(0,0,0,.35);
  letter-spacing:.3px;
}
.tag .t-cat{
  font-size:10px;color:#dcc9a6;letter-spacing:1px;margin-top:2px;text-transform:uppercase;
}
.tag .t-note{
  font-size:11px;color:#eadbc0;margin-top:3px;font-style:italic;
}

/* Flopped / stowed tag */
.tag.flip{
  background:linear-gradient(150deg,#5f4830,#49361f);
  border:1px solid rgba(0,0,0,.35);
  border-radius:6px 12px 12px 6px;
  box-shadow:
    inset 0 2px 4px rgba(0,0,0,.5),
    inset 0 -1px 0 rgba(255,255,255,.06),
    0 5px 10px rgba(0,0,0,.45);
}
.tag.flip::before{background:rgba(0,0,0,.75);}
.tag.flip .t-title{color:#d8c9a8;}
.tag.stowed-mark{
  display:inline-block;margin-top:3px;
  font-size:10px;letter-spacing:3px;color:var(--accent);
  text-shadow:0 1px 0 rgba(0,0,0,.6);
  border-top:1px dashed rgba(232,106,74,.35);
  padding-top:3px;
}

/* group headers in packing */
.group-head{
  font-size:10px;letter-spacing:2px;color:var(--secondary);text-transform:uppercase;
  margin:14px 0 8px;font-weight:600;opacity:.9;
}
.group-head:first-child{margin-top:0;}

/* Empty state */
.empty-state{text-align:center;padding:26px 10px;color:var(--secondary);}
.empty-state p{font-size:12px;letter-spacing:.5px;margin:12px 0 0;}
.empty-tags{display:flex;gap:8px;justify-content:center;align-items:flex-end;height:52px;}
.empty-tag{
  width:44px;height:34px;border-radius:4px 8px 8px 4px;
  background:linear-gradient(145deg,#6f533a,#4b3a26);
  border:1px solid rgba(0,0,0,.3);
  position:relative;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1), 0 4px 8px rgba(0,0,0,.35);
}
.empty-tag::before{
  content:"";position:absolute;left:5px;top:50%;transform:translateY(-50%);
  width:7px;height:7px;border-radius:50%;background:rgba(0,0,0,.55);
}
.empty-tag:nth-child(2){height:26px;opacity:.7;}
.empty-tag:nth-child(3){height:40px;}
.empty-tag.flip{filter:brightness(.7);}

/* Search */
.search-wrap{margin:4px 0 0;}
.search-wrap input{
  width:100%;padding:12px;border-radius:8px;
  border:1px solid rgba(181,165,122,.4);
  background:rgba(20,14,25,.7);color:#fff;font-family:inherit;font-size:14px;
  outline:none;
}
.search-wrap input:focus{border-color:var(--accent);}
.search-wrap input::placeholder{color:#8d7c9a;}

/* Bottom tab bar */
.tabbar{
  position:fixed;
  bottom:0;left:50%;transform:translateX(-50%);
  width:100%;max-width:480px;
  z-index:10;
  padding:8px 8px calc(6px + var(--safe-bottom));
  display:flex;gap:6px;justify-content:space-between;
  background:
    repeating-linear-gradient(90deg, transparent 0 8px, rgba(0,0,0,.08) 8px 9px),
    linear-gradient(180deg, #8a6a4a, #66492e 60%, #553a24);
  border-top:3px solid #3a2a1a;
  box-shadow:0 -8px 20px rgba(0,0,0,.5);
}
.tabbar::before{
  content:"";position:absolute;top:2px;left:0;right:0;height:1px;
  background:rgba(255,255,255,.15);
}
.tab-btn{
  position:relative;
  flex:1;background:none;border:none;cursor:pointer;
  display:flex;flex-direction:column;align-items:center;gap:6px;
  padding:4px 2px;
  color:#dcc9a6;
  transition:transform var(--ease) .2s, color .2s;
}
.tab-btn .ring{
  width:34px;height:34px;border-radius:50%;
  border:3px solid #4b3a26;
  background:radial-gradient(circle at 50% 55%, #b98d5a 0 40%, #6f533a 62%, #4b3a26);
  box-shadow:
    inset 0 2px 3px rgba(255,255,255,.25),
    0 3px 6px rgba(0,0,0,.45);
  display:block;
  transition:transform var(--ease) .25s, box-shadow .25s, border-color .25s;
}
.tab-btn .tab-label{
  font-size:9px;letter-spacing:1px;text-transform:uppercase;font-weight:600;
}
/* Active: tag pulled away from loop with orange strap */
.tab-btn.active{
  color:var(--accent);
  transform:translateY(-10px);
}
.tab-btn.active .ring{
  border-color:var(--accent);
  transform:scale(1.12);
  box-shadow:
    inset 0 2px 3px rgba(255,255,255,.3),
    0 10px 16px rgba(0,0,0,.55),
    0 0 0 5px rgba(232,106,74,.18);
  position:relative;
}
.tab-btn.active .ring::before{
  content:"";position:absolute;top:-8px;left:50%;transform:translateX(-50%);
  width:4px;height:12px;background:var(--accent);
  border-radius:2px;
  box-shadow:0 4px 8px rgba(0,0,0,.4);
}
.tab-btn:active{transform:scale(.95);}

/* Modal sheet */
.sheet-backdrop{
  position:fixed;inset:0;z-index:20;
  background:rgba(10,6,2,.55);
  display:flex;align-items:flex-end;justify-content:center;
  opacity:0;visibility:hidden;
  transition:opacity .3s, visibility .3s;
}
.sheet-backdrop.open{opacity:1;visibility:visible;}
.sheet{
  width:100%;max-width:480px;
  background:linear-gradient(160deg,#2f2438,#241a2c);
  border-radius:20px 20px 0 0;
  padding:12px 18px calc(20px + var(--safe-bottom));
  border-top:1px solid rgba(181,165,122,.4);
  transform:translateY(120%);
  transition:transform var(--ease) .35s;
}
.sheet-backdrop.open .sheet{transform:translateY(0);}
.sheet-handle{
  width:44px;height:5px;border-radius:3px;background:var(--secondary);
  margin:0 auto 14px;opacity:.6;
}
.sheet h2{margin:0 0 14px;color:var(--cream);font-size:18px;letter-spacing:1px;}
.field{display:block;margin-bottom:12px;}
.field span{
  display:block;font-size:11px;letter-spacing:1px;color:var(--secondary);
  margin-bottom:5px;text-transform:uppercase;
}
.field input,.field textarea{
  width:100%;padding:11px;border-radius:8px;
  border:1px solid rgba(181,165,122,.4);
  background:rgba(20,14,25,.7);color:#fff;font-family:inherit;font-size:14px;
  outline:none;resize:none;
}
.field input:focus,.field textarea:focus{border-color:var(--accent);}
.field .warn{
  display:none;color:var(--accent);font-size:11px;font-style:normal;
  margin-top:4px;
}
.field.invalid .warn{display:block;}
.field.invalid input{border-color:var(--accent);}

.toggle-row{
  display:flex;align-items:center;gap:10px;
  margin:4px 0 16px;color:var(--cream);font-size:13px;cursor:pointer;
}
.toggle-row .switch{
  position:relative;width:44px;height:24px;border-radius:12px;
  background:rgba(20,14,25,.7);border:1px solid rgba(181,165,122,.4);
  transition:background .2s;flex-shrink:0;
}
.toggle-row .switch::after{
  content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;
  border-radius:50%;background:var(--secondary);transition:transform .2s var(--ease);
}
.toggle-row input{display:none;}
.toggle-row input:checked + .switch{background:rgba(232,106,74,.3);border-color:var(--accent);}
.toggle-row input:checked + .switch::after{transform:translateX(20px);background:var(--accent);}

.sheet-actions{display:flex;gap:10px;margin-top:6px;}
.btn{
  flex:1;padding:13px;border:none;border-radius:8px;
  font-family:inherit;font-size:14px;font-weight:700;cursor:pointer;
}
.btn.solid{background:var(--primary);color:#fff;}
.btn.solid:active{transform:translateY(1px);}
.btn.ghost{background:transparent;border:1px solid rgba(181,165,122,.5);color:var(--secondary);}
.btn.danger{background:#7a2f2f;color:#fff;flex:0 0 auto;padding:13px 14px;}

@media (min-width:481px){
  body{background:radial-gradient(circle at 50% 0%, #2b1a30, #120a14);}
  .suitcase{margin:24px 0;min-height:calc(100vh - 48px);box-shadow:0 24px 60px rgba(0,0,0,.6);}
}