:root {
  --blue: #075de8;
  --blue-dark: #0645b4;
  --blue-light: #eaf2ff;
  --white: #ffffff;
  --background: #f5f8ff;
  --text: #18243a;
  --muted: #64748b;
  --border: #dce5f2;
  --green: #16864a;
  --radius: 16px;
  --shadow: 0 8px 28px rgba(19, 54, 110, 0.09);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--background);
  line-height: 1.6;
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
.primary-link,
.secondary-link,
.dashboard-link {
  display: inline-block;
  border-radius: 10px;
  padding: 12px 18px;
  font-weight: 700;
}

button {
  border: none;
  color: var(--white);
  background: var(--blue);
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

button:hover {
  background: var(--blue-dark);
}

button:active {
  transform: scale(0.98);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

input,
select,
textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--white);
  color: var(--text);
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(7, 93, 232, 0.1);
}

label {
  display: block;
  margin: 14px 0 6px;
  font-size: 0.92rem;
  font-weight: 700;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 6%;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 900;
  letter-spacing: 1px;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--blue);
  color: var(--white);
  font-size: 1.3rem;
}

.main-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.main-nav a {
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 700;
}

.hero {
  min-height: 500px;
  display: flex;
  align-items: center;
  padding: 75px 7%;
  color: var(--white);
  background:
    linear-gradient(100deg, rgba(3, 28, 73, 0.93), rgba(7, 93, 232, 0.65)),
    url("https://images.unsplash.com/photo-1492144534655-ae79c964c9d7?auto=format&fit=crop&w=1800&q=85")
    center / cover no-repeat;
}

.hero-content {
  max-width: 720px;
}

.eyebrow {
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 2px;
}

.hero .eyebrow {
  color: #b9d6ff;
}

.hero h1 {
  margin-bottom: 18px;
  font-size: clamp(2.5rem, 7vw, 4.8rem);
  line-height: 1.08;
}

.hero-description {
  max-width: 580px;
  font-size: 1.1rem;
  color: #e6efff;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.primary-link {
  background: var(--white);
  color: var(--blue);
}

.secondary-link {
  border: 1px solid rgba(255, 255, 255, 0.7);
  color: var(--white);
}

.hero-values {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-values span {
  padding: 7px 15px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.1);
}

.marketplace-section,
.about-section {
  padding: 65px 6%;
}

.section-heading {
  margin-bottom: 28px;
  text-align: center;
}

.section-heading h2,
.about-section h2 {
  margin-bottom: 10px;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}

.section-heading p:last-child {
  color: var(--muted);
}

.filter-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.filter-field label {
  margin-top: 0;
}

.filter-panel button {
  align-self: end;
}

.filter-panel .reset-button {
  color: var(--blue);
  background: var(--blue-light);
}

.results-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin: 35px 0 18px;
}

.results-heading h3 {
  margin-bottom: 0;
}

.results-heading p {
  color: var(--muted);
}

.cars-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.vehicle-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.vehicle-card img {
  display: block;
  width: 100%;
  height: 210px;
  object-fit: cover;
  background: var(--blue-light);
}

.vehicle-card h4 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.vehicle-card > h4,
.vehicle-card > p,
.vehicle-card > button,
.vehicle-card > a,
.vehicle-card .vehicle-details {
  margin-right: 18px;
  margin-left: 18px;
}

.vehicle-card > h4 {
  margin-top: 16px;
}

.vehicle-price {
  color: var(--blue);
  font-size: 1.25rem;
  font-weight: 900;
}

.vehicle-details,
.vehicle-card p {
  color: var(--muted);
  font-size: 0.92rem;
}

.vehicle-card > button,
.vehicle-card > a {
  margin-bottom: 18px;
}

.vehicle-card .status-tag {
  display: inline-block;
  margin: 0 18px 10px;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--blue-light);
  color: var(--blue-dark);
  font-size: 0.8rem;
  font-weight: 700;
}

.about-section {
  background: var(--white);
}

.about-content {
  max-width: 1100px;
  margin: auto;
}

.about-content > p:not(.eyebrow) {
  max-width: 750px;
  color: var(--muted);
}

.about-values {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.about-values article {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--background);
}

.about-values h3 {
  color: var(--blue);
}

.site-footer {
  padding: 35px 6%;
  text-align: center;
  background: #071d42;
  color: #dce8ff;
}

.footer-brand {
  margin-bottom: 15px;
  color: var(--white);
}

.site-footer p {
  margin-bottom: 8px;
}

/* Login page */

.login-container {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
  background: linear-gradient(135deg, #eaf2ff, #ffffff);
}

.login-card {
  width: 100%;
  max-width: 430px;
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.login-card h1 {
  margin-bottom: 4px;
  color: var(--blue);
}

.login-card > p {
  color: var(--muted);
}

.login-card form button {
  width: 100%;
  margin-top: 22px;
}

#message,
#adminMessage,
#ownerMessage,
#formMessage {
  overflow-wrap: anywhere;
}

/* Owner and admin dashboards */

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 6%;
  background: var(--blue);
  color: var(--white);
}

.dashboard-header h1 {
  margin-bottom: 0;
}

.dashboard-header p {
  margin-bottom: 0;
  color: #e4eeff;
}

.dashboard-header button {
  color: var(--blue);
  background: var(--white);
}

.dashboard-container {
  max-width: 1200px;
  margin: auto;
  padding: 30px 20px 60px;
}

.welcome-card,
.dashboard-card {
  margin-bottom: 24px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.welcome-card h2 {
  color: var(--blue);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.dashboard-card h3 {
  color: var(--blue-dark);
}

.dashboard-card form button {
  width: 100%;
  margin-top: 20px;
}

.dashboard-card > button {
  margin-top: 10px;
}

.dashboard-link {
  margin: 8px 8px 8px 0;
  background: var(--blue-light);
}

.admin-list-item {
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow-wrap: anywhere;
}

.admin-list-item p {
  margin-bottom: 4px;
}

#myCars {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

#myCars .vehicle-card {
  padding-bottom: 16px;
}

#myCars .vehicle-card img {
  margin-bottom: 14px;
}

#myCars .vehicle-card button {
  margin-top: 10px;
}

/* Responsive layout */

@media (max-width: 850px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .main-nav {
    gap: 12px 18px;
  }

  .cars-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .filter-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-values {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 12px 5%;
  }

  .main-nav {
    width: 100%;
    gap: 10px 15px;
  }

  .main-nav a {
    font-size: 0.86rem;
  }

  .hero {
    min-height: 460px;
    padding: 55px 6%;
  }

  .marketplace-section,
  .about-section {
    padding: 45px 5%;
  }

  .filter-panel,
  .cars-grid,
  .dashboard-grid,
  #myCars {
    grid-template-columns: 1fr;
  }

  .filter-panel {
    padding: 18px;
  }

  .results-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .login-card {
    padding: 24px;
  }

  .dashboard-header {
    padding: 16px 5%;
  }

  .dashboard-container {
    padding: 20px 14px 40px;
  }

  .welcome-card,
  .dashboard-card {
    padding: 18px;
  }
}


/* Vehicle photo upload and galleries */
.upload-help { margin: 6px 0 10px; color: var(--muted); font-size: 0.9rem; }
.photo-preview { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 10px; margin-top: 12px; }
.photo-preview-item { min-width: 0; margin: 0; overflow: hidden; border: 1px solid var(--border); border-radius: 10px; background: var(--background); }
.photo-preview-item img { display: block; width: 100%; height: 90px; object-fit: cover; }
.photo-preview-item figcaption { padding: 5px 7px; overflow-wrap: anywhere; font-size: 0.75rem; }
.admin-car-photo { display: block; width: 100%; max-height: 190px; object-fit: cover; border-radius: 10px; margin: 12px 0; }
.vehicle-gallery { margin-bottom: 14px; }
.vehicle-gallery > img { margin-bottom: 8px; }
.vehicle-thumbnails { display: flex; gap: 7px; padding: 0 12px; overflow-x: auto; }
.vehicle-thumbnail { flex: 0 0 64px; padding: 0; overflow: hidden; border: 2px solid transparent; border-radius: 7px; background: var(--white); }
.vehicle-thumbnail img { display: block; width: 64px; height: 48px; object-fit: cover; }
.vehicle-thumbnail:focus, .vehicle-thumbnail:hover { border-color: var(--blue); }


/* Listing lifecycle labels */
.sold-label {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 7px;
  color: #ffffff !important;
  background: #b42318 !important;
  font-weight: 900;
  letter-spacing: 0.04em;
}
.sold-notice {
  margin: 0 18px 18px;
  padding: 10px 12px;
  border-radius: 8px;
  background: #fff1f0;
  color: #912018 !important;
  font-weight: 700;
}
.listing-lifecycle {
  font-size: 0.9rem;
  font-weight: 700;
}
.expired-label {
  color: #9a6700;
}


/* Buyer accounts and private messages */
.account-layout { max-width: 1100px; margin: auto; padding: 28px 18px 60px; }
.account-panel { padding: 24px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow); margin-bottom: 22px; }
.account-switch { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0; }
.account-switch button { flex: 1; }
.account-switch .secondary-mode { color: var(--blue); background: var(--blue-light); }
.account-form button { width: 100%; margin-top: 18px; }
.message-layout { display: grid; grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.6fr); gap: 18px; }
.conversation-list { display: grid; gap: 10px; align-content: start; }
.conversation-item { display: block; width: 100%; padding: 14px; text-align: left; border: 1px solid var(--border); border-radius: 10px; color: var(--text); background: #fff; }
.conversation-item.active, .conversation-item:hover { border-color: var(--blue); background: var(--blue-light); color: var(--text); }
.conversation-item strong, .conversation-item span { display: block; }
.conversation-item span { margin-top: 4px; font-size: 0.85rem; color: var(--muted); overflow-wrap: anywhere; }
.message-thread { min-height: 300px; padding: 16px; border: 1px solid var(--border); border-radius: 12px; background: #f8faff; }
.message-stream { display: grid; gap: 10px; max-height: 420px; overflow-y: auto; padding: 10px 0 18px; }
.message-bubble { max-width: 88%; padding: 10px 13px; border-radius: 12px; background: #e7edf6; overflow-wrap: anywhere; }
.message-bubble.mine { justify-self: end; background: #dbeafe; }
.message-bubble strong { display: block; font-size: 0.8rem; margin-bottom: 3px; }
.message-bubble p { margin: 0; white-space: pre-wrap; color: var(--text); }
.message-compose { display: grid; gap: 10px; margin-top: 14px; }
.message-compose textarea { min-height: 85px; resize: vertical; }
.account-muted { color: var(--muted); }
@media (max-width: 700px) { .message-layout { grid-template-columns: 1fr; } .message-thread { min-height: 260px; } .message-bubble { max-width: 96%; } }


/* Owner account statistics */
.account-statistics h2 { color: var(--blue); }
.account-stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin: 18px 0; }
.account-stat { padding: 18px 14px; border: 1px solid var(--border); border-radius: 12px; background: #f4f8ff; }
.account-stat span { display: block; color: var(--muted); font-size: 0.9rem; }
.account-stat strong { display: block; margin-top: 8px; color: var(--blue); font-size: 2rem; overflow-wrap: anywhere; }
.account-statistics > button { margin: 8px 0 14px; }
@media (max-width: 700px) { .account-stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }


/* Seller onboarding and vehicle-authority review */
.consent-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
  margin: 12px 0;
}
.consent-label input[type="checkbox"] {
  width: auto;
  min-width: 18px;
  margin-top: 4px;
}
.seller-review-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.seller-review-actions button {
  flex: 1 1 150px;
}
.seller-type-label {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 5px 9px;
  border-radius: 999px;
  background: #eaf3ff;
  color: #174b88;
}
.draft-label {
  color: #8a5a00;
  font-weight: 700;
}


.seller-verification-checklist {
  display: grid;
  gap: 8px;
  margin: 12px 0;
  padding: 12px;
  border: 1px solid #d8e0e8;
  border-radius: 10px;
  background: #f7f9fc;
}
.seller-verification-checklist label {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.4;
}
.seller-verification-checklist input[type="checkbox"] {
  width: auto;
  min-width: 18px;
  margin-top: 3px;
}
.seller-verification-checklist p {
  margin: 4px 0 0;
  font-size: 0.88rem;
  color: #5b6570;
}


/* Owner dashboard navigation and compact management workspace */
.owner-dashboard { max-width: 1280px; }
.owner-welcome { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.owner-welcome > div { max-width: 780px; }
.owner-welcome .eyebrow { margin-bottom: 6px; }
.owner-welcome h2 { margin-bottom: 8px; }
.owner-navigation { position: sticky; top: 0; z-index: 8; display: flex; gap: 8px; flex-wrap: wrap; margin: 0 0 24px; padding: 10px; border: 1px solid var(--border); border-radius: 14px; background: rgba(255,255,255,.96); box-shadow: var(--shadow); }
.owner-nav-button { flex: 1 1 150px; color: var(--blue-dark); background: var(--blue-light); }
.owner-nav-button.active { color: var(--white); background: var(--blue); }
.owner-panel[hidden] { display: none !important; }
.owner-section-heading { margin: 8px 0 18px; }
.owner-section-heading h2 { margin-bottom: 4px; color: var(--blue-dark); }
.owner-section-heading p { margin-bottom: 0; color: var(--muted); }
.overview-quick-links { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.overview-quick-links h3 { flex-basis: 100%; margin-bottom: 4px; }
.overview-quick-links button { flex: 1 1 190px; }
@media (max-width: 600px) {
  .owner-welcome { align-items: flex-start; flex-direction: column; }
  .owner-navigation { position: static; }
  .owner-nav-button { flex: 1 1 calc(50% - 8px); padding: 10px 8px; }
}