/* Fast Tracking — Brand Colors & Variables */
:root {
  --dark: #0f0900;
  --dark-surface: #1a0f00;
  --dark-card: #1f1200;
  --dark-elevated: #261500;
  --orange: #f97316;
  --orange-dark: #c2410c;
  --orange-light: #fb923c;
  --amber: #f59e0b;
  --amber-light: #fbbf24;
  --amber-dark: #92400e;
  --amber-dim: rgba(245, 158, 11, 0.15);

  --background: #f8f9fc;
  --background-subtle: #f1f3f8;
  --card-bg: #ffffff;
  --card-bg-alt: linear-gradient(145deg, #ffffff 0%, #fafbfd 100%);

  --text-primary: #1a0f00;
  --text-secondary: #5a3520;
  --text-light: #92400e;
  --white: #ffffff;

  --border-color: #e8ddd0;
  --border-accent: #f59e0b;
  --shadow-sm: 0 1px 3px rgba(26, 15, 0, 0.06), 0 1px 2px rgba(26, 15, 0, 0.04);
  --shadow-md:
    0 4px 12px rgba(26, 15, 0, 0.08), 0 2px 4px rgba(26, 15, 0, 0.04);
  --shadow-lg: 0 20px 50px rgba(26, 15, 0, 0.12);
  --shadow-orange: 0 8px 24px rgba(249, 115, 22, 0.35);

  --radius: 12px;
  --radius-lg: 20px;
  --font-heading: "Barlow Condensed", "Barlow", "Segoe UI", sans-serif;
  --font-body: "Barlow", "Segoe UI", sans-serif;
}

/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  background: var(--background);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-size: 16px;
  font-weight: 400;
}

/* ===== HEADER ===== */
.header {
  background: var(--dark-surface);
  padding: 1rem 0;
  position: relative;
  overflow: hidden;
}

/* Subtle speed-line pattern */
.header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: repeating-linear-gradient(
    -4deg,
    transparent,
    transparent 30px,
    rgba(249, 115, 22, 0.03) 30px,
    rgba(249, 115, 22, 0.03) 31px
  );
  pointer-events: none;
}

/* Orange accent line at bottom */
.header::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--orange-dark),
    var(--amber),
    var(--orange)
  );
}

.header__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 2;
}

.header__brand {
  text-align: center;
}

.header__logo-link {
  display: inline-block;
  text-decoration: none;
}

.header__logo-img {
  height: 80px;
  width: auto;
  display: block;
  filter: drop-shadow(0 2px 8px rgba(0, 180, 255, 0.2));
  transition: transform 0.3s ease;
}

.header__logo-img:hover {
  transform: scale(1.03);
  filter: drop-shadow(0 4px 16px rgba(0, 180, 255, 0.4));
}

.header__logo-svg {
  height: 80px;
  width: auto;
  display: block;
  filter: drop-shadow(0 2px 12px rgba(249, 115, 22, 0.3));
  transition:
    transform 0.3s ease,
    filter 0.3s ease;
}

.header__logo-svg:hover {
  transform: scale(1.03);
  filter: drop-shadow(0 4px 16px rgba(249, 115, 22, 0.5));
}

/* ===== MAIN CONTENT ===== */
.app-content {
  flex: 1;
  padding: 4rem 0;
  position: relative;
}

/* Subtle background texture */
.app-content::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: none;
  pointer-events: none;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

/* ===== CARD ===== */
.tracking-section {
  margin-bottom: 3rem;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 3rem;
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
  animation: fadeIn 0.6s ease-out;
}

.card .tracking-id-subtitle {
  color: var(--text-secondary);
}

/* Orange top accent bar */
.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--orange-dark),
    var(--orange),
    var(--amber)
  );
}

.card--center {
  text-align: center;
}

.tracking-id-title {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, var(--dark) 0%, var(--orange) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.tracking-id-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  font-weight: 400;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== FORM ===== */
.tracking-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.input-container-wrapper {
  width: 100%;
  max-width: 500px;
  position: relative;
}

.input-container {
  position: relative;
  width: 100%;
}

.input {
  width: 100%;
  padding: 1.2rem 1.5rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 500;
  outline: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: var(--white);
  color: var(--text-primary);
  letter-spacing: 0.5px;
}

.input:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.15);
  transform: translateY(-1px);
}

.input-label {
  position: absolute;
  top: 1.2rem;
  left: 1.5rem;
  color: var(--text-light);
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: var(--white);
  padding: 0 0.5rem;
  font-weight: 500;
}

.input:focus + .input-label,
.input:not(:placeholder-shown) + .input-label {
  top: -0.7rem;
  left: 1rem;
  font-size: 0.9rem;
  color: var(--amber);
  font-weight: 600;
}

.input-error-message {
  color: var(--orange-light);
  font-size: 0.95rem;
  margin-top: 0.75rem;
  text-align: left;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ===== BUTTON ===== */
.button {
  background: linear-gradient(
    135deg,
    var(--orange) 0%,
    var(--orange-dark) 100%
  );
  color: var(--white);
  padding: 1rem 3rem;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  min-width: 180px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  position: relative;
  overflow: hidden;
}

.button::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s;
}

.button:hover::before {
  left: 100%;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-orange);
}

.button:active {
  transform: translateY(0);
}

.button:disabled {
  background: var(--text-light);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ===== RESULTS ===== */
.results-container {
  margin-top: 3rem;
  animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tracking-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* ===== PROGRESS BAR ===== */
.progress-bar-container {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-accent);
  position: relative;
  overflow: hidden;
}

.progress-bar-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--amber));
}

.progress__track {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  height: 6px;
  background: var(--border-color);
  border-radius: 3px;
  margin: 2rem 0;
}

.progress__track-progress {
  position: absolute;
  height: 100%;
  background: linear-gradient(90deg, var(--orange), var(--amber));
  border-radius: 3px;
  left: 0;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(249, 115, 22, 0.4);
}

.progress__point-wrapper {
  display: flex;
  justify-content: space-between;
  width: 100%;
  position: absolute;
  top: -12px;
  left: 0;
  right: 0;
}

.progress__point {
  width: 24px;
  height: 24px;
  background: var(--white);
  border: 3px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  z-index: 2;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-sm);
}

.progress__point--completed {
  background: var(--orange);
  border-color: var(--amber);
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.5);
  transform: scale(1.1);
}

.progress__point--completed::after {
  content: "\2713";
  color: var(--white);
  font-size: 0.8rem;
  font-weight: bold;
}

.progress__point--first {
  left: 0px !important;
  transform: translateX(-50%);
}

.progress__point--last {
  right: 0px !important;
  transform: translateX(50%);
  left: auto !important;
}

.progress__point--completed.progress__point--first {
  transform: translateX(-50%) scale(1.1);
}

.progress__point--completed.progress__point--last {
  transform: translateX(50%) scale(1.1);
}

.progress__name {
  position: absolute;
  top: -45px;
  white-space: nowrap;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  transform: translateX(-50%);
  left: 50%;
  text-align: center;
  min-width: 90px;
}

.progress__point--first .progress__name {
  transform: translateX(0%);
  left: 0;
  text-align: left;
  min-width: unset;
}

.progress__point--last .progress__name {
  transform: translateX(-100%);
  left: 100%;
  text-align: right;
  min-width: unset;
}

.progress__point--completed .progress__name {
  color: var(--amber);
  font-weight: 700;
}

/* ===== DETAIL CARDS ===== */
.detail-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.detail-card {
  background: var(--card-bg-alt);
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.detail-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange-dark), var(--amber));
}

.detail-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.detail-card h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  text-align: center;
}

.detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.2s ease;
}

.detail-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.detail-item:hover {
  background-color: var(--background-subtle);
  margin: 0 -1rem;
  padding-left: 1rem;
  padding-right: 1rem;
  border-radius: 8px;
}

.detail-item strong {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
}

.detail-item span {
  color: var(--text-secondary);
  font-weight: 500;
}

/* Delivery card — dark themed */
.detail-card--delivery {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-surface) 100%);
  color: var(--white);
  text-align: center;
  border-color: var(--amber-dark);
}

.detail-card--delivery::before {
  background: linear-gradient(
    90deg,
    var(--orange-dark),
    var(--amber),
    var(--orange)
  );
}

.detail-card--delivery h3 {
  color: var(--white);
  margin-bottom: 2rem;
}

.detail-delivery-day {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.detail-delivery-date {
  font-size: 1.6rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 1rem;
  font-weight: 600;
}

/* ===== TIMELINE / EVENTS ===== */
.latest-update {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 2.5rem;
  border: 1px solid var(--border-accent);
  position: relative;
  overflow: hidden;
}

.latest-update::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange-dark), var(--amber));
}

.latest-update-status-highlight {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(
    135deg,
    var(--orange) 0%,
    var(--amber-light) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.latest-update-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2rem;
  text-align: center;
  position: relative;
}

.latest-update-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--amber));
  border-radius: 2px;
}

.event-list {
  list-style: none;
  padding: 0;
  position: relative;
  text-align: left;
}

.event-list::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 10px;
  bottom: 20px;
  width: 3px;
  background: linear-gradient(180deg, var(--orange), var(--amber-dark));
  border-radius: 2px;
  z-index: 0;
}

.event-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 2rem;
  padding-left: 60px;
  position: relative;
  transition: all 0.3s ease;
}

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

.event-item:hover {
  transform: translateX(8px);
}

.event-item::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 8px;
  width: 16px;
  height: 16px;
  background: var(--orange);
  border-radius: 50%;
  z-index: 1;
  border: 4px solid var(--white);
  box-shadow: 0 0 0 2px var(--orange);
}

.event-date-time {
  flex: 0 0 140px;
  margin-right: 2rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 600;
  text-align: left;
  line-height: 1.4;
  padding: 0.5rem 0;
}

.event-details {
  flex: 1;
  padding: 0.5rem 0;
}

.event-process {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.event-location {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
  line-height: 1.5;
}

/* ===== LOADER ===== */
.loader {
  width: 50px;
  height: 50px;
  margin: 3rem auto;
  position: relative;
}

.loader::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--orange);
  border-radius: 50%;
  animation: modernSpin 1s linear infinite;
}

.loader::after {
  content: "";
  position: absolute;
  top: 10px;
  left: 10px;
  width: calc(100% - 20px);
  height: calc(100% - 20px);
  border: 2px solid transparent;
  border-top: 2px solid var(--amber);
  border-radius: 50%;
  animation: modernSpin 0.7s linear infinite reverse;
}

@keyframes modernSpin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* ===== FOOTER ===== */
.footer {
  background: var(--dark-surface);
  color: var(--white);
  padding: 2rem 0;
  text-align: center;
  margin-top: 4rem;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--orange-dark),
    var(--amber),
    var(--orange)
  );
}

.footer p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
  position: relative;
  z-index: 2;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .header__logo-img {
    height: 60px;
  }

  .tracking-id-title {
    font-size: 2.2rem;
  }

  .tracking-id-subtitle {
    font-size: 1.1rem;
  }

  .card {
    padding: 2rem;
  }

  .detail-section {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .detail-card {
    padding: 1.5rem;
  }

  .progress-bar-container {
    padding: 2rem 1.5rem;
  }

  .progress__name {
    font-size: 0.85rem;
    top: -40px;
    min-width: 70px;
  }

  .progress__point--first .progress__name,
  .progress__point--last .progress__name {
    min-width: unset;
  }

  .event-item {
    flex-direction: column;
    align-items: flex-start;
    padding-left: 50px;
    margin-bottom: 1.5rem;
  }

  .event-item::before {
    left: 10px;
    top: 10px;
  }

  .event-list::before {
    left: 18px;
  }

  .event-date-time {
    text-align: left;
    margin-right: 0;
    margin-bottom: 0.75rem;
    flex-basis: auto;
    font-size: 0.9rem;
  }

  .event-details {
    width: 100%;
  }

  .latest-update-status-highlight {
    font-size: 1.6rem;
  }

  .latest-update-title {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
  }
}

@media (max-width: 480px) {
  .app-content {
    padding: 2rem 0;
  }

  .container {
    padding: 0 1rem;
  }

  .card {
    padding: 1.5rem;
    border-radius: var(--radius);
  }

  .header__logo-img {
    height: 50px;
  }

  .tracking-id-title {
    font-size: 1.8rem;
  }

  .input {
    padding: 1rem 1.2rem;
    font-size: 1rem;
  }

  .button {
    padding: 1rem 2rem;
    font-size: 1rem;
    min-width: 160px;
  }

  .progress__name {
    font-size: 0.8rem;
    top: -35px;
    min-width: 60px;
  }

  .progress__point {
    width: 20px;
    height: 20px;
  }

  .detail-card {
    padding: 1.2rem;
  }

  .latest-update {
    padding: 1.5rem;
  }

  .latest-update-status-highlight {
    font-size: 1.4rem;
  }

  .latest-update-title {
    font-size: 1.1rem;
    margin-bottom: 1.2rem;
  }

  .event-process {
    font-size: 1rem;
  }

  .event-location {
    font-size: 0.9rem;
  }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.detail-card:hover .detail-item {
  transition: all 0.2s ease;
}

.input:focus {
  animation: inputFocus 0.3s ease;
}

@keyframes inputFocus {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.02);
  }
  100% {
    transform: scale(1);
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}