/* track.css
   Clean, modern, responsive styles for track.php
   Matches markup: .header, .logo img, .navbar, .hamburger,
   .tracking, .tracking-inner, .tracking-form, .tracking-result, .timeline, .footer
*/

/* ---------- Variables ---------- */
:root{
  --navy: #0A1A3C;
  --orange: #F47B20;
  --muted: #F4F7FB;
  --text: #233147;
  --muted-text: #6b7782;
  --card-bg: #ffffff;
  --max-width: 1100px;
  --radius: 12px;
  --transition: 200ms ease;
}

/* ---------- Reset & Base ---------- */
*{ box-sizing: border-box; margin:0; padding:0; }
html,body{ height:100%; font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif; -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale; background:var(--muted); color:var(--text); }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; height:auto; display:block; }

/* ---------- Header ---------- */
/* Header */
.sh-header{
  position: sticky;
  top: 0;
  width: 100%;
  background: #fff;
  z-index: 1200;
  box-shadow: 0 2px 10px rgba(10,26,60,0.04);
}
.sh-inner{
  max-width:1200px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 24px;
  gap:16px;
}
.sh-logo img{ height:75px; display:block; }

/* Nav (desktop) */
.sh-nav ul{
  display:flex;
  gap:26px;
  list-style:none;
  margin:0;
  padding:0;
}
.sh-nav a{
  text-decoration:none;
  color:var(--navy);
  font-weight:600;
  padding:6px 4px;
  transition: color .18s ease;
}
.sh-nav a.active, .sh-nav a:hover{ color:var(--orange); }

/* Actions: track & hamburger */
.sh-actions{ display:flex; align-items:center; gap:12px; }
.sh-track{
  display:inline-block;
  padding:8px 14px;
  background:var(--orange);
  color:#fff;
  border-radius:8px;
  text-decoration:none;
  font-weight:700;
}
.sh-hamburger{
  display:none;
  width:44px;
  height:40px;
  border-radius:8px;
  border:none;
  background:transparent;
  cursor:pointer;
  padding:6px;
}
.sh-hamburger span{
  display:block;
  height:2.8px;
  background:var(--navy);
  margin:5px 0;
  border-radius:2px;
  transition: transform .25s ease, opacity .2s ease;
}

/* tracking button (nav item) */
.navbar ul li a.tracking-btn{
  background: var(--orange);
  color:#fff;
  padding:8px 14px;
  border-radius:10px;
  box-shadow: 0 6px 18px rgba(244,123,32,0.12);
  font-weight:700;
}
.navbar ul li a.tracking-btn:hover{ transform: translateY(-2px); }

/* hamburger (right) */
.hamburger{
  width:46px;
  height:42px;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  gap:5px;
  background:transparent;
  border-radius:10px;
  transition: background var(--transition);
}
.hamburger span{
  display:block;
  width:24px;
  height:3px;
  background: #fff; /* white when header dark */
  border-radius:3px;
  transition: transform .18s ease, opacity .12s ease, background .18s ease;
}
.header.scrolled .hamburger span{ background: var(--navy); }

/* hamburger open state (add .open on element via JS) */
.hamburger.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2){ opacity:0; transform:scaleX(0); }
.hamburger.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ---------- Tracking Section ---------- */
.tracking{
  padding: 36px 18px 60px;
  display:flex;
  justify-content:center;
}

/* inner container with grid for form + results */
.tracking-inner{
  width:100%;
  max-width: var(--max-width);
  display:grid;
  grid-template-columns: 1fr 420px;
  gap:28px;
  align-items:start;
}

/* header/title across both columns */
.tracking-inner > h1{
  grid-column: 1 / -1;
  font-size: 1.9rem;
  color: var(--navy);
  margin-bottom: 6px;
}
.tracking-inner > p{ grid-column:1 / -1; color:var(--muted-text); margin-bottom:14px; }

/* form card */
.tracking-form{
  background: var(--card-bg);
  padding:20px;
  border-radius: var(--radius);
  box-shadow: 0 8px 30px rgba(10,26,60,0.04);
  display:flex;
  flex-direction:column;
  gap:14px;
}

/* input + button layout */
.tracking-form input[type="text"]{
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid #e6e9ee;
  font-size: 1rem;
  color: var(--text);
  transition: box-shadow .18s ease, border-color .18s ease;
}
.tracking-form input[type="text"]:focus{
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 10px 30px rgba(244,123,32,0.06);
}

.tracking-form button{
  width: max-content;
  padding: 11px 18px;
  background: var(--navy);
  color:#fff;
  border:none;
  border-radius: 10px;
  font-weight:700;
  cursor:pointer;
  transition: transform .12s ease, box-shadow .12s ease;
}
.tracking-form button:hover{
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(10,26,60,0.08);
}

/* small hint or error inside form (if needed) */
.tracking-form .hint{
  color:var(--muted-text);
  font-size:0.95rem;
}

/* ---------- Results Card ---------- */
.tracking-result{
  background: var(--card-bg);
  padding: 18px;
  border-radius: var(--radius);
  box-shadow: 0 8px 30px rgba(10,26,60,0.04);
  min-height: 120px;
}

/* when there's no result, user sees message */
.tracking-result.empty{
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--muted-text);
  text-align:center;
}

/* status / meta */
.tracking-result h2{ font-size:1.2rem; margin-bottom:8px; color:var(--navy); }
.tracking-result p{ color:var(--muted-text); margin-bottom:8px; }

/* timeline (vertical) */
.timeline{
  margin-top:12px;
  padding-left:16px;
  border-left: 3px solid rgba(10,26,60,0.06);
  display:flex;
  flex-direction:column;
  gap:14px;
}

.timeline-item{
  display:flex;
  gap:12px;
  align-items:flex-start;
}
.timeline-item .dot{
  width:12px;
  height:12px;
  border-radius:50%;
  background: var(--orange);
  border: 2px solid rgba(10,26,60,0.08);
  flex:0 0 auto;
  margin-top:6px;
  box-shadow: 0 6px 14px rgba(244,123,32,0.08);
}
.timeline-item .event{
  background: rgba(10,26,60,0.02);
  padding:10px 12px;
  border-radius:10px;
  flex:1;
}
.timeline-item .event h4{
  font-size:1rem;
  margin-bottom:6px;
  color:var(--navy);
}
.timeline-item .event p{ color:var(--muted-text); margin-bottom:6px; }
.timeline-item .event span{ display:block; font-size:0.85rem; color:#8b97a1; }

/* error message */
.error{
  color:#b00020;
  background: rgba(176,0,32,0.04);
  padding:10px 12px;
  border-radius:8px;
  margin-top:12px;
  font-weight:600;
}

/* ---------- Footer ---------- */
.footer{
  background: #fff;
  border-top: 1px solid rgba(10,26,60,0.04);
  padding:18px 28px;
  margin-top:28px;
}
.footer .footer-left, .footer .footer-right{ display:flex; gap:16px; align-items:center; }
.footer .footer-left img{ height:38px; }
.footer .footer-btn{
  background: var(--orange);
  color:#fff;
  padding:8px 14px;
  border-radius:8px;
  font-weight:700;
}
.footer .footer-right img{ width:28px; filter:grayscale(100%) brightness(.9); }

/* footer bottom */
.footer .footer-bottom{ margin-top:12px; color:var(--muted-text); font-size:0.95rem; text-align:center; }

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .tracking-inner{ grid-template-columns: 1fr 360px; gap:20px; padding: 0 12px; }
}
@media (max-width: 820px){
  /* stack everything on mobile */
  .header{ padding:12px 14px; }
  .navbar{ display:none; } /* show with .navbar.open if toggled via JS */
  .hamburger{ display:flex; }
  .tracking-inner{ grid-template-columns: 1fr; gap:16px; padding: 0 12px; }
  .tracking-inner > h1, .tracking-inner > p{ text-align:center; }
  .tracking-form{ order:1; }
  .tracking-result{ order:2; }
  .logo img{ height:44px; }
}
@media (max-width: 480px){
  .logo img{ height:40px; }
  .tracking-form input[type="text"]{ width:100%; font-size:0.95rem; padding:11px; }
  .tracking-form button{ width:100%; padding:12px; }
  .timeline-item .event{ padding:9px; }
}

/* ---------- Accessibility focus states ---------- */
a:focus, button:focus, input:focus{
  outline: 3px solid rgba(10,26,60,0.08);
  outline-offset: 2px;
}