/* Core layout and visual styling - postal-inspired but original */
:root{
  --bg: #f6f7f9;
  --brand-brown: #3b2f2f;
  --brand-gold: #d4b04b;
  --muted: #6b7280;
  --card: #ffffff;
  --accent-text: #17223b;
  --input-border: #dcd1b8;
  --shadow: 0 8px 24px rgba(59,47,47,0.08);
}

/* Top chrome: warm brown bar and gold accent to evoke a delivery brand */
.brand-header { width:100%; }
.brand-topstripe { height:6px; background:var(--brand-gold); width:100%; }
.brand-row {
  background: var(--brand-brown);
  color: #fff;
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 16px;
  justify-content:space-between;
}
.brand-left {
  display:flex;
  align-items:center;
  gap:12px;
}
/* shield-like mark */
.brand-mark {
  background: linear-gradient(180deg,var(--brand-brown), rgba(0,0,0,0.08));
  color: var(--brand-gold);
  font-weight:800;
  border-radius:6px;
  padding:8px;
  font-size:15px;
  letter-spacing:0.6px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  display:flex;
  align-items:center;
  justify-content:center;
}

/* small stylized "shield" inside mark */
.brand-mark .shield{
  display:inline-block;
  background: #ffffff08;
  padding:6px 8px;
  border-radius:4px;
  font-weight:800;
  color:var(--brand-gold);
  font-size:14px;
}

.brand-title h1 {
  margin:0;
  font-size:18px;
  font-weight:700;
  color:var(--brand-gold);
}
.brand-title .tagline {
  margin:2px 0 0;
  font-size:12px;
  opacity:0.9;
  color: #f3e9c0;
}

/* Compact navigation (UPS-like) */
.brand-nav {
  display:flex;
  gap:10px;
  align-items:center;
}
.nav-link {
  color: #fff;
  text-decoration:none;
  font-size:13px;
  padding:8px 12px;
  border-radius:4px;
  opacity:0.95;
  border:1px solid transparent;
}
.nav-link:hover {
  background: rgba(255,255,255,0.05);
  transform:translateY(-1px);
  transition:transform 120ms ease, background 120ms ease;
}

/* Quick action button styled like a primary UPS action */
.brand-actions .quick-btn {
  background: var(--brand-gold);
  color: var(--brand-brown);
  border:none;
  padding:8px 14px;
  border-radius:6px;
  font-weight:800;
  font-size:13px;
  box-shadow: 0 6px 18px rgba(59,47,47,0.12);
}

/* Page base */
*{box-sizing:border-box}
html,body{height:100%}
body {
  margin:0;
  font-family: Arial, Helvetica, sans-serif;
  background:var(--bg);
  color:var(--accent-text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  display:flex;
  flex-direction:column;
  min-height:100vh;
}

/* Container centers main card and preserves single-screen layout on mobile */
.container {
  width:100%;
  max-width:980px;
  margin:14px auto;
  padding:0 14px;
  flex:1 0 auto;
  display:flex;
  align-items:flex-start;
  justify-content:center;
}

/* Tracking card */
.tracking-box {
  width:100%;
  background:var(--card);
  padding:18px;
  border-radius:10px;
  box-shadow:var(--shadow);
  min-height:260px;
  display:flex;
  flex-direction:column;
  justify-content:flex-start;
}

.tracking-box h2 {
  margin:0;
  font-size:20px;
  color:var(--brand-brown);
}
.tracking-box p { margin:8px 0 0; color:#444; font-size:13px; }

/* Input row - touch-friendly */
.tracking-input {
  display:flex;
  gap:10px;
  margin-top:12px;
  align-items:center;
}
.tracking-input input {
  flex:1;
  padding:12px;
  font-size:15px;
  border:1px solid var(--input-border);
  border-radius:8px;
  background:#fbfcfe;
  min-height:48px;
  outline:none;
}
.tracking-input input:focus {
  border-color: rgba(11,59,111,0.9);
  box-shadow: 0 0 0 4px rgba(11,59,111,0.06);
}
.tracking-input button {
  padding:12px 16px;
  font-size:15px;
  background:var(--brand-brown);
  color:var(--brand-gold);
  border:none;
  border-radius:8px;
  cursor:pointer;
  min-width:100px;
  min-height:48px;
  box-shadow: 0 6px 18px rgba(59,47,47,0.08);
}
.tracking-input button:hover { background:rgba(59,47,47,0.9); transform:translateY(-1px); transition:transform 120ms ease; }

/* Result area: controlled via the hidden attribute for better accessibility on mobile */
.result {
  margin-top:14px;
  overflow:auto;
  max-height:34vh;
  -webkit-overflow-scrolling:touch;
  padding-right:6px;
  display:block;
}
.result[hidden] {
  display:none;
}
.shipment-details {
  background:linear-gradient(180deg,#fbfdff,#ffffff);
  padding:14px;
  border-radius:8px;
  border:1px solid #e8eff8;
  margin-bottom:12px;
  font-size:14px;
}
.shipment-details strong { display:inline-block; width:140px; color:var(--brand-brown); }

/* Timeline */
.timeline {
  border-left:4px solid rgba(11,59,111,0.12);
  padding-left:18px;
}
.timeline-item {
  margin-bottom:14px;
  position:relative;
}
.timeline-item::before {
  content:"";
  position:absolute;
  left:-14px;
  top:6px;
  width:12px;
  height:12px;
  background:var(--brand-brown);
  border-radius:3px;
  box-shadow:0 2px 0 rgba(0,0,0,0.06);
}
.timeline-item h4 { margin:0; font-size:15px; color:#1f3350; }
.timeline-item p { margin:6px 0 0; font-size:13px; color:#555; }

/* Footer */
footer {
  margin-top:18px;
  padding:14px;
  text-align:center;
  font-size:12px;
  color:var(--muted);
  background:transparent;
}
footer span { color:#999; }

/* Responsive: single-column on small screens (one-screen friendly) */
@media (max-width:600px) {
  .brand-row { padding:10px 12px; gap:10px; }
  .brand-mark { padding:6px 8px; font-size:15px; }
  /* simplify header for mobile: hide secondary nav to maximize space */
  .brand-nav { display:none; }
  .tracking-input { flex-direction:column; gap:8px; }
  .tracking-input button { width:100%; min-height:52px; font-size:16px; }
  .tracking-input input { min-height:54px; font-size:16px; padding:14px; }
  .tracking-box { padding:14px; min-height:200px; }
  .container { margin:10px auto; padding:0 12px; align-items:flex-start; }
  footer { padding:12px 8px; font-size:12px; }
  /* tighten timeline height so everything fits on a single mobile viewport */
  .result { max-height:42vh; }

  /* Floating Smartsupp chat button */
  .smartsupp-btn {
    position:fixed;
    right:14px;
    bottom:18px;
    width:52px;
    height:52px;
    border-radius:14px;
    background:var(--brand-brown);
    color:var(--brand-gold);
    border:none;
    box-shadow: 0 10px 30px rgba(59,47,47,0.18);
    display:flex;
    align-items:center;
    justify-content:center;
    z-index:9999;
    cursor:pointer;
    transition:transform 160ms ease, box-shadow 160ms ease, opacity 160ms ease;
  }
  .smartsupp-btn:hover { transform:translateY(-4px); box-shadow: 0 14px 36px rgba(59,47,47,0.22); }
  .smartsupp-btn svg { display:block; filter: drop-shadow(0 1px 0 rgba(0,0,0,0.08)); }
  .smartsupp-btn.smartsupp-ready {
    outline: 3px solid rgba(212,176,75,0.12);
  }

  /* Ensure button is not too close to small-screen edges */
  @media (max-width:420px) {
    .smartsupp-btn { right:10px; bottom:14px; width:48px; height:48px; }
  }
}