/* ==========================================================================
   DELIGO XPRESS - Public Shipment Tracking Modern & Minimal Design System
   Path: /track/style.css
   Theme Workflow:
   - BEFORE SEARCH: Full Screen Light Theme Hero (Clean, Centered, No White Gap)
   - AFTER SEARCH:  Compact Top Bar turns DARK Theme, Tracking Results on LIGHT Theme
   - 100% RESPONSIVE: Perfect mobile layout with ZERO clipping or horizontal overflow
   ========================================================================== */

:root {
  /* Brand Palette */
  --dx-dark-navy: #0b0f19;
  --dx-slate-bg: #0f172a;
  --dx-card-bg: #ffffff;
  --dx-body-bg: #f8fafc;

  --dx-red: #dc2626;
  --dx-crimson: #e11d48;
  --dx-red-hover: #b91c1c;
  --dx-red-light: #fff1f2;
  --dx-red-border: #fecdd3;
  --dx-red-glow: rgba(225, 29, 72, 0.25);

  --dx-green: #10b981;
  --dx-green-dark: #047857;
  --dx-green-light: #ecfdf5;
  --dx-green-border: #a7f3d0;

  --dx-blue: #0284c7;
  --dx-blue-light: #f0f9ff;
  --dx-blue-border: #bae6fd;

  --dx-purple: #7c3aed;
  --dx-purple-light: #f5f3ff;
  --dx-purple-border: #ddd6fe;

  --dx-amber: #d97706;
  --dx-amber-light: #fffbeb;
  --dx-amber-border: #fde68a;

  /* Typography */
  --dx-font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --dx-font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Neutral Text & Borders */
  --dx-text-main: #0f172a;
  --dx-text-secondary: #475569;
  --dx-text-muted: #64748b;
  --dx-border: #e2e8f0;

  /* Shadows & Transitions */
  --dx-shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
  --dx-shadow-md: 0 8px 20px -3px rgba(15, 23, 42, 0.06);
  --dx-shadow-lg: 0 16px 36px -8px rgba(15, 23, 42, 0.1);
  --dx-shadow-red: 0 6px 20px -2px rgba(225, 29, 72, 0.35);

  --dx-transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Global Reset & Box Sizing Guard */
*, *::before, *::after {
  box-sizing: border-box;
}

body, html {
  overflow-x: hidden;
  max-width: 100%;
}

/* Base Wrapper */
.track-main-wrapper {
  background-color: var(--dx-body-bg);
  min-height: calc(100vh - 120px);
  display: flex;
  flex-direction: column;
  font-family: var(--dx-font-body);
  color: var(--dx-text-main);
  width: 100%;
  overflow-x: hidden;
}

/* ==========================================================================
   1. HERO SEARCH CONTAINER (INITIAL LIGHT MODE -> TOP DARK MODE)
   ========================================================================== */
.track-hero-section {
  position: relative;
  width: 100%;
  overflow: hidden;
  transition: background 0.4s ease, padding 0.4s ease, box-shadow 0.4s ease, min-height 0.4s ease;
}

/* BEFORE SEARCH: Full Screen Light Mode Header */
.track-hero-section.hero-mode {
  min-height: calc(100vh - 160px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 50% 30%, #ffffff 0%, #f1f5f9 100%);
  color: var(--dx-text-main);
  padding: 50px 16px;
}

.track-hero-section.hero-mode .hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
}

.track-hero-section.hero-mode .hero-glow-red {
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(225, 29, 72, 0.08) 0%, transparent 70%);
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}

.track-hero-section.hero-mode .hero-glow-dark {
  display: none;
}

/* Hero Headline in LIGHT Mode */
.track-hero-section.hero-mode .track-hero-title {
  color: var(--dx-text-main);
}

.track-hero-section.hero-mode .track-hero-subtitle {
  color: var(--dx-text-secondary);
}

/* Search Box in LIGHT Hero Mode */
.track-hero-section.hero-mode .search-glow-box {
  background: #ffffff;
  border: 1.5px solid #cbd5e1;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
}

.track-hero-section.hero-mode .search-glow-box:focus-within {
  border-color: var(--dx-crimson);
  box-shadow: var(--dx-shadow-red), 0 16px 36px rgba(225, 29, 72, 0.15);
  background: #ffffff;
}

.track-hero-section.hero-mode .track-input-field {
  color: var(--dx-text-main);
}

.track-hero-section.hero-mode .track-input-field::placeholder {
  color: #94a3b8;
}

.track-hero-section.hero-mode .search-input-icon {
  color: #64748b;
}

.track-hero-section.hero-mode .search-glow-box:focus-within .search-input-icon {
  color: var(--dx-crimson);
}

/* AFTER SEARCH: Top Dark Mode Header */
.track-hero-section.top-mode {
  min-height: auto;
  padding: 16px 16px;
  background: radial-gradient(circle at 75% 20%, #1e293b 0%, #0b0f19 80%);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.track-hero-section.top-mode .hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
}

.track-hero-section.top-mode .hero-glow-red {
  top: -20%;
  right: -5%;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(225, 29, 72, 0.25) 0%, transparent 70%);
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}

.track-hero-section.top-mode .search-glow-box {
  background: rgba(15, 23, 42, 0.85);
  border: 1.5px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(16px);
}

.track-hero-section.top-mode .search-glow-box:focus-within {
  border-color: var(--dx-crimson);
  box-shadow: var(--dx-shadow-red), 0 12px 28px rgba(0, 0, 0, 0.4);
  background: rgba(11, 15, 25, 0.95);
}

.track-hero-section.top-mode .track-input-field {
  color: #ffffff;
}

.track-hero-section.top-mode .track-input-field::placeholder {
  color: #64748b;
}

.track-hero-section.top-mode .search-input-icon {
  color: #64748b;
}

.track-hero-section.top-mode .search-glow-box:focus-within .search-input-icon {
  color: var(--dx-crimson);
}

/* Compact Hero Container */
.track-hero-container {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  z-index: 5;
  width: 100%;
}

/* Collapsible Headline Group */
.track-headline-group {
  text-align: center;
  margin-bottom: 20px;
  transition: opacity 0.35s ease, transform 0.35s ease, max-height 0.35s ease, margin 0.35s ease;
  max-height: 200px;
  opacity: 1;
  transform: translateY(0);
}

.track-hero-section.top-mode .track-headline-group {
  opacity: 0;
  transform: translateY(-15px);
  max-height: 0;
  margin-bottom: 0;
  overflow: hidden;
  pointer-events: none;
}

.track-hero-title {
  font-family: var(--dx-font-heading);
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
  line-height: 1.25;
}

.track-hero-title .gradient-text {
  background: linear-gradient(135deg, #ff4d6d 0%, var(--dx-crimson) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.track-hero-subtitle {
  font-size: 0.94rem;
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.45;
}

/* ==========================================================================
   2. STREAMLINED SEARCH INPUT BAR
   ========================================================================== */
.search-glow-box {
  position: relative;
  display: flex;
  align-items: center;
  border-radius: 50px;
  padding: 4px 6px 4px 16px;
  transition: var(--dx-transition);
  width: 100%;
  max-width: 100%;
}

.search-input-icon {
  font-size: 1.15rem;
  margin-right: 8px;
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transition: color 0.25s ease;
}

.track-input-field {
  flex: 1;
  min-width: 0;
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  font-size: 0.98rem;
  font-weight: 700;
  font-family: var(--dx-font-body);
  letter-spacing: 0.3px;
}

.btn-track-action {
  background: linear-gradient(135deg, #ff4d6d 0%, var(--dx-crimson) 100%);
  color: #ffffff;
  border: none;
  border-radius: 50px;
  padding: 9px 20px;
  font-size: 0.88rem;
  font-weight: 700;
  font-family: var(--dx-font-heading);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: var(--dx-shadow-red);
  transition: var(--dx-transition);
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-track-action:hover {
  background: linear-gradient(135deg, #e11d48 0%, #dc2626 100%);
  transform: translateY(-1px);
  box-shadow: 0 8px 25px rgba(225, 29, 72, 0.5);
}

.btn-track-action:active {
  transform: translateY(0);
}

.btn-track-action:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* Alert Container */
.alert-outer-container {
  max-width: 720px;
  margin: 14px auto 0;
  padding: 0 16px;
  width: 100%;
}

.track-alert-banner {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 0.86rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--dx-shadow-sm);
  animation: fadeIn 0.3s ease;
}

/* ==========================================================================
   3. TRACKING RESULTS CONTAINER & BANNER (LIGHT THEME)
   ========================================================================== */
.track-results-section {
  max-width: 960px;
  width: 100%;
  margin: 16px auto 0;
  padding: 0 16px 50px;
  position: relative;
  z-index: 10;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-x: hidden;
}

.track-results-section.show {
  opacity: 1;
  transform: translateY(0);
}

.track-results-section.d-none {
  display: none;
}

/* Banner Card */
.shipment-banner-card {
  background: var(--dx-card-bg);
  border-radius: 16px;
  padding: 20px 24px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  border: 1px solid var(--dx-border);
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
}

.banner-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  flex-wrap: wrap;
  gap: 12px;
}

.banner-body-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 14px;
  border-top: 1px dashed #e2e8f0;
}

.awb-number-box {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.awb-sub-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--dx-text-muted);
}

.awb-meta-top {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  max-width: 100%;
}

/* ETA Hero Box */
.eta-hero-box {
  display: flex;
  align-items: center;
  gap: 14px;
  background: linear-gradient(135deg, #ecfdf5 0%, #f0fdf4 100%);
  border: 1px solid #a7f3d0;
  border-left: 4px solid #10b981;
  padding: 10px 18px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.08);
  max-width: 100%;
}

.eta-hero-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #10b981;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.25);
}

.eta-hero-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.eta-hero-lbl {
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: #047857;
}

.eta-hero-val {
  font-size: 0.95rem;
  font-weight: 800;
  color: #064e3b;
  word-break: break-word;
}

.route-badge {
  background: var(--dx-red-light);
  color: var(--dx-crimson);
  border: 1px solid var(--dx-red-border);
  font-size: 0.76rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  letter-spacing: 0.3px;
  max-width: 100%;
}



.eta-card-box {
  background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  padding: 6px 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #166534;
  font-weight: 700;
  font-size: 0.88rem;
  box-shadow: 0 1px 3px rgba(16, 185, 129, 0.08);
  word-break: break-word;
  max-width: 100%;
}

.eta-card-box i {
  font-size: 1.05rem;
  color: #15803d;
  flex-shrink: 0;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  max-width: 100%;
  line-height: 1.3;
  word-break: break-word;
}

.status-pill.delivered {
  background: var(--dx-green-light);
  color: var(--dx-green-dark);
  border: 1px solid var(--dx-green-border);
}

.status-pill.in-transit {
  background: var(--dx-blue-light);
  color: var(--dx-blue);
  border: 1px solid var(--dx-blue-border);
}

.status-pill.ofd {
  background: var(--dx-purple-light);
  color: var(--dx-purple);
  border: 1px solid var(--dx-purple-border);
}

.status-pill.picked {
  background: var(--dx-amber-light);
  color: var(--dx-amber);
  border: 1px solid var(--dx-amber-border);
}

.status-pill.booked {
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #cbd5e1;
}

.live-pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: currentColor;
  display: inline-block;
  flex-shrink: 0;
  animation: livePulse 1.5s infinite ease-in-out;
}

@keyframes livePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.3; transform: scale(1.3); }
}

.awb-title-text {
  font-family: var(--dx-font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--dx-text-main);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.3px;
  word-break: break-word;
}

.btn-copy-icon {
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  color: var(--dx-text-muted);
  cursor: pointer;
  font-size: 0.95rem;
  padding: 3px 7px;
  border-radius: 6px;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.btn-copy-icon:hover {
  color: var(--dx-crimson);
  background: var(--dx-red-light);
  border-color: var(--dx-red-border);
}

.btn-new-search {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: var(--dx-text-secondary);
  padding: 7px 14px;
  border-radius: 10px;
  font-size: 0.82rem;
  font-weight: 700;
  font-family: var(--dx-font-heading);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
  box-shadow: var(--dx-shadow-sm);
  flex-shrink: 0;
}

.btn-new-search:hover {
  background: #f8fafc;
  border-color: var(--dx-crimson);
  color: var(--dx-crimson);
}

/* ==========================================================================
   4. STEPPER PROGRESS BAR (FULLY RESPONSIVE FOR ALL SCREEN SIZES)
   ========================================================================== */
.stepper-card-wrapper {
  background: var(--dx-card-bg);
  border-radius: 16px;
  padding: 20px 16px 16px;
  box-shadow: var(--dx-shadow-md);
  border: 1px solid var(--dx-border);
  margin-bottom: 16px;
  overflow: hidden;
  width: 100%;
}

.stepper-scroll-container {
  width: 100%;
  overflow-x: hidden;
}

.stepper-container {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  position: relative;
  width: 100%;
  min-width: 0;
  padding: 0;
}

.step-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
  flex: 1;
  min-width: 0;
}

.step-circle {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #f8fafc;
  border: 2px solid #cbd5e1;
  color: var(--dx-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  font-family: var(--dx-font-heading);
  transition: var(--dx-transition);
  box-shadow: var(--dx-shadow-sm);
  flex-shrink: 0;
}

/* Step Node States */
.step-node.completed .step-circle {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  border-color: #10b981;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.step-node.current .step-circle {
  background: linear-gradient(135deg, #ff4d6d 0%, var(--dx-crimson) 100%);
  border-color: var(--dx-crimson);
  color: #ffffff;
  box-shadow: 0 0 0 5px rgba(225, 29, 72, 0.18);
  animation: stepPulse 2s infinite ease-in-out;
}

@keyframes stepPulse {
  0% { box-shadow: 0 0 0 0 rgba(225, 29, 72, 0.35); }
  70% { box-shadow: 0 0 0 8px rgba(225, 29, 72, 0); }
  100% { box-shadow: 0 0 0 0 rgba(225, 29, 72, 0); }
}

.step-title {
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--dx-text-muted);
  margin-top: 6px;
  text-align: center;
  line-height: 1.18;
  word-break: break-word;
  transition: color 0.25s ease, font-weight 0.25s ease;
  width: 100%;
}

.step-node.completed .step-title {
  color: #047857;
  font-weight: 700;
}

.step-node.current .step-title {
  color: var(--dx-crimson);
  font-weight: 800;
}

.step-line {
  flex: 1;
  min-width: 6px;
  height: 3px;
  background: #e2e8f0;
  margin-top: 16px;
  position: relative;
  z-index: 1;
  transition: background 0.4s ease;
  border-radius: 4px;
}

.step-line.active {
  background: linear-gradient(90deg, #10b981 0%, #059669 100%);
}

/* ==========================================================================
   5. TWO COLUMN GRID: SUMMARY CARD + TIMELINE
   ========================================================================== */
.track-details-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 16px;
  width: 100%;
}

/* Summary Card */
.basic-info-card {
  background: var(--dx-card-bg);
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--dx-shadow-md);
  border: 1px solid var(--dx-border);
  height: fit-content;
  width: 100%;
  overflow: hidden;
}

.info-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 800;
  font-family: var(--dx-font-heading);
  color: var(--dx-text-main);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--dx-border);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.info-card-header i {
  color: var(--dx-crimson);
  font-size: 1.1rem;
}

.info-grid-compact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  width: 100%;
  overflow: hidden;
}

.info-lbl {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--dx-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.info-val {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--dx-text-main);
  word-break: break-word;
}

.country-flag-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--dx-text-main);
  max-width: 100%;
  word-break: break-word;
}

.country-flag-badge i {
  color: var(--dx-crimson);
  flex-shrink: 0;
}

/* Carrier Badges */
.carrier-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 800;
  font-family: var(--dx-font-heading);
  letter-spacing: 0.3px;
  box-shadow: var(--dx-shadow-sm);
  width: fit-content;
}

.carrier-badge.carrier-fedex {
  background: #f3e8ff;
  color: #6b21a8;
  border: 1px solid #d8b4fe;
}

.carrier-badge.carrier-dhl {
  background: #fef9c3;
  color: #b45309;
  border: 1px solid #fde047;
}

.carrier-badge.carrier-ups {
  background: #fef3c7;
  color: #78350f;
  border: 1px solid #fcd34d;
}

.carrier-badge.carrier-aramex {
  background: #fff1f2;
  color: #be123c;
  border: 1px solid #fecdd3;
}

.carrier-badge.carrier-default {
  background: #f1f5f9;
  color: #334155;
  border: 1px solid #cbd5e1;
}

/* Scans Timeline Card */
.timeline-card {
  background: var(--dx-card-bg);
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--dx-shadow-md);
  border: 1px solid var(--dx-border);
  width: 100%;
  overflow: hidden;
}

.timeline-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--dx-border);
  margin-bottom: 16px;
  gap: 8px;
  flex-wrap: wrap;
}

.timeline-card-header h3 {
  font-size: 0.9rem;
  font-weight: 800;
  font-family: var(--dx-font-heading);
  color: var(--dx-text-main);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.timeline-card-header h3 i {
  color: var(--dx-crimson);
}

.event-count-badge {
  background: var(--dx-red-light);
  color: var(--dx-crimson);
  font-size: 0.74rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 14px;
  border: 1px solid var(--dx-red-border);
}

/* Timeline Tree Items (Strict Zero Overflow Layout) */
.scans-timeline-tree {
  position: relative;
  padding-left: 20px;
  width: 100%;
  overflow: hidden;
}

.scans-timeline-tree::before {
  content: '';
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 6px;
  width: 2px;
  background: #e2e8f0;
}

.tree-item {
  position: relative;
  margin-bottom: 14px;
  animation: fadeInUp 0.4s ease forwards;
  width: 100%;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.tree-item:last-child {
  margin-bottom: 0;
}

.tree-dot {
  position: absolute;
  left: -20px;
  top: 14px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #cbd5e1;
  border: 2px solid #ffffff;
  box-shadow: 0 0 0 2px #e2e8f0;
  transition: all 0.25s ease;
  z-index: 2;
}

.tree-item.latest .tree-dot {
  background: var(--dx-crimson);
  box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.25);
  animation: dotPulse 1.8s infinite ease-in-out;
}

@keyframes dotPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.3); }
}

.tree-card-content {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 12px 14px;
  transition: var(--dx-transition);
  width: 100%;
  overflow: hidden;
  word-break: break-word;
}

.tree-item.latest .tree-card-content {
  background: #ffffff;
  border-color: var(--dx-red-border);
  box-shadow: 0 4px 14px rgba(225, 29, 72, 0.08);
}

.tree-header-row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  margin-bottom: 6px;
  width: 100%;
}

@media (min-width: 576px) {
  .tree-header-row {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.tree-scan-title {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  max-width: 100%;
}

.scan-code-pill {
  font-family: monospace;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--dx-red-light);
  color: var(--dx-crimson);
  border: 1px solid var(--dx-red-border);
  flex-shrink: 0;
}

.scan-name-text {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--dx-text-main);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.tree-time-stamp {
  font-size: 0.75rem;
  color: var(--dx-text-muted);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
  word-break: break-word;
}

.tree-body-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--dx-text-secondary);
  font-weight: 600;
  word-break: break-word;
}

.tree-body-row i {
  color: var(--dx-crimson);
  font-size: 0.9rem;
  flex-shrink: 0;
}

/* ==========================================================================
   6. RESPONSIVE MEDIA QUERIES (320px TO 860px)
   ========================================================================== */
@media (max-width: 860px) {
  .track-details-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .track-hero-section.hero-mode {
    padding: 36px 14px;
    min-height: calc(100vh - 120px);
  }
  .track-hero-title {
    font-size: 1.6rem;
  }
  .track-hero-subtitle {
    font-size: 0.86rem;
  }
  .search-glow-box {
    padding: 3px 4px 3px 12px;
  }
  .track-input-field {
    font-size: 0.92rem;
  }
  .btn-track-action {
    padding: 8px 14px;
    font-size: 0.82rem;
  }
  .shipment-banner-card {
    padding: 14px 16px;
    flex-direction: column;
    align-items: flex-start;
  }
  .banner-actions {
    width: 100%;
  }
  .btn-new-search {
    width: 100%;
    justify-content: center;
  }
  .awb-title-text {
    font-size: 1.2rem;
  }
  .step-circle {
    width: 28px;
    height: 28px;
    font-size: 0.78rem;
  }
  .step-title {
    font-size: 0.68rem;
    margin-top: 4px;
  }
  .step-line {
    margin-top: 13px;
  }
}

@media (max-width: 420px) {
  .track-results-section {
    padding: 0 10px 40px;
  }
  .btn-track-action .btn-label-text span {
    display: none;
  }
  .btn-track-action .btn-label-text i {
    margin-right: 0 !important;
    font-size: 1.05rem;
  }
  .btn-track-action {
    padding: 8px 12px;
  }
  .scans-timeline-tree {
    padding-left: 16px;
  }
  .tree-dot {
    left: -16px;
  }
}