:root {
  --mars-red: #c8102e;
  --mars-red-bright: #e21b2c;
  --mars-red-dark: #7a0e11;
  --mars-charcoal: #262524;
  --mars-charcoal-light: #3a3937;
  --mars-grey-bg: #f4f3f1;
  --mars-border: #e6e4e1;
  --mars-text: #2d2d2d;
  --mars-muted: #6b6b6b;
  --mars-logo-grey: #8a8a8a;
  --mars-success: #1f8a4c;
}

html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 0;
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--mars-text);
  background-color: #ffffff;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  color: var(--mars-charcoal);
}

a {
  color: var(--mars-red);
}
a:hover {
  color: var(--mars-red-dark);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--mars-red-bright);
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}

/* ---- Brand mark ---- */
.mars-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}
.mars-mark .mars-logo-img {
  height: 46px;
  width: auto;
  flex: none;
  display: block;
}
.mars-mark .mars-wordmark {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1;
}
.mars-mark .mars-wordmark .mars-sub {
  font-weight: 500;
  font-size: 0.55rem;
  letter-spacing: 0.18em;
  color: var(--mars-logo-grey);
  text-transform: uppercase;
  margin-top: 0.15rem;
}

/* ---- Navbar ---- */
.mars-navbar {
  background: #ffffff;
  border-bottom: 1px solid var(--mars-border);
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}
.mars-navbar .nav-link {
  color: var(--mars-charcoal);
  font-weight: 500;
  font-size: 0.95rem;
  margin: 0 0.35rem;
}
.mars-navbar .nav-link:hover,
.mars-navbar .nav-link.active {
  color: var(--mars-red);
}

/* ---- Buttons ---- */
.btn {
  border-radius: 999px;
  font-weight: 500;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}
.btn-sm {
  padding-left: 0.9rem;
  padding-right: 0.9rem;
}
.btn-primary {
  background: linear-gradient(135deg, var(--mars-red-bright), var(--mars-red-dark));
  border: none;
}
.btn-primary:hover, .btn-primary:focus, .btn-primary:active {
  background: linear-gradient(135deg, var(--mars-red-dark), var(--mars-red-dark));
  border: none;
}
.btn-secondary {
  background: #ffffff;
  border: 1px solid var(--mars-charcoal);
  color: var(--mars-charcoal);
}
.btn-secondary:hover, .btn-secondary:focus, .btn-secondary:active {
  background: var(--mars-charcoal);
  border-color: var(--mars-charcoal);
  color: #fff;
}
.btn-danger {
  background: var(--mars-red-dark);
  border: none;
}
.btn-danger:hover, .btn-danger:focus {
  background: #55090b;
  border: none;
}

/* ---- Hero ---- */
.mars-hero {
  background: linear-gradient(120deg, var(--mars-red-dark) 0%, var(--mars-red) 100%);
  color: #fff;
  border-radius: 0.75rem;
  padding: 3rem 2.5rem;
  margin-bottom: 2rem;
}
.mars-hero h1 {
  color: #fff;
  font-weight: 700;
}
.mars-hero p {
  color: rgba(255,255,255,0.9);
  max-width: 46rem;
}

/* ---- Cards / panels ---- */
.mars-card {
  background: #fff;
  border: 1px solid var(--mars-border);
  border-radius: 0.75rem;
  padding: 1.75rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}

/* ---- Tables ---- */
.table {
  background: #fff;
}
.table thead th {
  background: var(--mars-grey-bg);
  color: var(--mars-charcoal);
  font-weight: 600;
  border-bottom: none;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}
.table td, .table th {
  vertical-align: middle;
}

/* ---- Badges ---- */
.badge.bg-success { background-color: var(--mars-success) !important; }
.badge.bg-danger { background-color: var(--mars-red) !important; }
.badge.bg-secondary { background-color: #9a9a9a !important; }

/* ---- Alerts ---- */
.alert-warning {
  background-color: #fdf1e8;
  border-color: #f3d9c4;
  color: #7a4a1a;
}

/* ---- Footer ---- */
.mars-footer {
  background: var(--mars-charcoal);
  color: #cfcfcf;
  padding: 2rem 0;
  margin-top: 3rem;
}
.mars-footer a {
  color: #e5e5e5;
}
.mars-footer a:hover {
  color: var(--mars-red-bright);
}
.mars-footer .mars-tagline {
  color: #9a9a9a;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

/* ---- Auth card (login) ---- */
.mars-auth-wrap {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mars-auth-card {
  width: 100%;
  max-width: 380px;
}