/* =========================
   ROOT VARIABLES (Dynamic)
========================= */
:root {
  --tpp-primary-color: #0073aa;
  --tpp-bg-color: #ffffff;
  --tpp-button-size: 12px 20px;
  --tpp-button-color: #0073aa;
  --tpp-button-hover: #005177;
  --tpp-radius: 10px;
  --tpp-font-size: 14px;
  --tpp-container-width: 600px;
}

/* =========================
   CONTAINER
========================= */
.tpp-container {
  max-width: var(--tpp-container-width);
  margin: 40px auto;
  background: var(--tpp-bg-color);
  padding: 25px;
  border-radius: var(--tpp-radius);
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  font-size: var(--tpp-font-size);
  font-family: Arial, sans-serif;
}

/* =========================
   TRACKING INPUT
========================= */
.tpp-tracking-box {
  display: flex;
  gap: 10px;
  margin-bottom: 25px;
}

.tpp-tracking-box input {
  flex: 1;
  padding: 12px;
  border-radius: var(--tpp-radius);
  border: 1px solid #ddd;
  font-size: 14px;
}

.tpp-tracking-box button {
  padding: var(--tpp-button-size);
  background: var(--tpp-button-color);
  color: #fff;
  border: none;
  border-radius: var(--tpp-radius);
  cursor: pointer;
  transition: 0.3s;
}

.tpp-tracking-box button:hover {
  background: var(--tpp-button-hover);
}

/* =========================
   LOADING STATE
========================= */
.tpp-loading {
  text-align: center;
  padding: 20px;
  font-size: 16px;
  color: var(--tpp-primary-color);
  animation: tppPulse 1.5s infinite;
}

@keyframes tppPulse {
  0% { opacity: 0.4; }
  50% { opacity: 1; }
  100% { opacity: 0.4; }
}

/* =========================
   STATUS HEADER
========================= */
.tpp-status-header {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 10px;
}

.tpp-address {
  font-size: 13px;
  color: #666;
  margin-bottom: 20px;
}

/* =========================
   PROGRESS TRACKER
========================= */
.tpp-progress {
  position: relative;
  margin-left: 20px;
  padding-left: 20px;
}

.tpp-progress::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  width: 4px;
  height: 100%;
  background: #eee; /* ghost line */
}

.tpp-step {
  position: relative;
  margin-bottom: 25px;
  padding-left: 20px;
}

.tpp-step::before {
  content: '';
  position: absolute;
  left: -2px;
  top: 5px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #ccc;
  transition: 0.3s;
}

/* Active Step */
.tpp-step.active::before {
  background: var(--tpp-primary-color);
  box-shadow: 0 0 0 4px rgba(0,115,170,0.15);
}

/* Completed Step */
.tpp-step.completed::before {
  background: var(--tpp-primary-color);
}

/* Step Text */
.tpp-step span {
  font-weight: 500;
}

/* =========================
   TIMELINE
========================= */
.tpp-timeline {
  margin-top: 30px;
}

.tpp-card {
  background: #fff;
  border-radius: var(--tpp-radius);
  padding: 15px;
  margin-bottom: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  transition: 0.3s;
}

.tpp-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.tpp-card-status {
  font-weight: bold;
  color: var(--tpp-primary-color);
  margin-bottom: 5px;
}

.tpp-card-meta {
  font-size: 12px;
  color: #777;
  margin-bottom: 8px;
}

.tpp-card-location {
  font-size: 13px;
  color: #444;
}

.tpp-card-message {
  font-size: 13px;
  margin-top: 5px;
  color: #333;
}

/* =========================
   FADE-IN ANIMATION
========================= */
.tpp-fade-in {
  opacity: 0;
  transform: translateY(10px);
  animation: tppFade 0.5s forwards;
}

@keyframes tppFade {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 600px) {

  .tpp-tracking-box {
    flex-direction: column;
  }

  .tpp-tracking-box button {
    width: 100%;
  }

  .tpp-container {
    padding: 15px;
  }

  .tpp-progress {
    margin-left: 10px;
  }
}