/* Color Variables */
:root {
  --dark-green: #4A6A48;
  --light-green: #64875E;
  --medium-grey: #555555;
  --light-grey: #F1F1F1;
  --white: #FFFFFF;
}

body { 
  font-family: system-ui, Arial, sans-serif;
  background-color: var(--light-grey) !important;
}

.card { 
  border-radius: 16px;
  background-color: var(--white) !important;
  border: 1px solid var(--light-grey);
}

video, img { 
  object-fit: cover; 
}

/* Bigger camera area on challenge page */
#video,
#preview {
  height: 80vh;        /* make the video taller */
  max-height: 100vh;   /* but never exceed full viewport height */
}

/* Override Bootstrap colors */
.bg-light {
  background-color: var(--light-grey) !important;
}

.bg-dark {
  background-color: var(--dark-green) !important;
}

.text-muted {
  color: var(--medium-grey) !important;
}

/* Buttons */
.btn-primary {
  background-color: var(--dark-green) !important;
  border-color: var(--dark-green) !important;
  color: var(--white) !important;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--light-green) !important;
  border-color: var(--light-green) !important;
}

.btn-success {
  background-color: var(--light-green) !important;
  border-color: var(--light-green) !important;
  color: var(--white) !important;
}

.btn-success:hover,
.btn-success:focus {
  background-color: var(--dark-green) !important;
  border-color: var(--dark-green) !important;
}

.btn-secondary {
  background-color: var(--medium-grey) !important;
  border-color: var(--medium-grey) !important;
  color: var(--white) !important;
}

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: var(--dark-green) !important;
  border-color: var(--dark-green) !important;
}

.btn-outline-secondary {
  border-color: var(--medium-grey) !important;
  color: var(--medium-grey) !important;
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
  background-color: var(--medium-grey) !important;
  border-color: var(--medium-grey) !important;
  color: var(--white) !important;
}

.btn-outline-light {
  border-color: var(--white) !important;
  color: var(--white) !important;
}

.btn-outline-light:hover,
.btn-outline-light:focus {
  background-color: var(--white) !important;
  border-color: var(--white) !important;
  color: var(--dark-green) !important;
}

.btn-dark {
  background-color: var(--dark-green) !important;
  border-color: var(--dark-green) !important;
  color: var(--white) !important;
}

.btn-dark:hover,
.btn-dark:focus {
  background-color: var(--light-green) !important;
  border-color: var(--light-green) !important;
}

.btn-warning {
  background-color: var(--light-green) !important;
  border-color: var(--light-green) !important;
  color: var(--white) !important;
}

.btn-warning:hover,
.btn-warning:focus {
  background-color: var(--dark-green) !important;
  border-color: var(--dark-green) !important;
}

.btn-danger {
  background-color: var(--medium-grey) !important;
  border-color: var(--medium-grey) !important;
  color: var(--white) !important;
}

.btn-danger:hover,
.btn-danger:focus {
  background-color: var(--dark-green) !important;
  border-color: var(--dark-green) !important;
}

/* Navbar */
.navbar-dark {
  background-color: var(--dark-green) !important;
}

.navbar-dark .navbar-brand {
  color: var(--white) !important;
}

/* Alerts */
.alert-success {
  background-color: var(--light-green) !important;
  border-color: var(--light-green) !important;
  color: var(--white) !important;
}

.alert-danger {
  background-color: var(--medium-grey) !important;
  border-color: var(--medium-grey) !important;
  color: var(--white) !important;
}

/* Tables */
.table {
  background-color: var(--white) !important;
}

.table-light {
  background-color: var(--light-grey) !important;
}

.table-bordered {
  border-color: var(--light-grey) !important;
}

.table-hover tbody tr:hover {
  background-color: var(--light-grey) !important;
}

/* Form Controls */
.form-control {
  border-color: var(--light-grey) !important;
}

.form-control:focus {
  border-color: var(--light-green) !important;
  box-shadow: 0 0 0 0.25rem rgba(74, 106, 72, 0.25) !important;
}

.form-check-input:checked {
  background-color: var(--dark-green) !important;
  border-color: var(--dark-green) !important;
}

/* Links */
a {
  color: var(--dark-green) !important;
}

a:hover {
  color: var(--light-green) !important;
}

/* Code */
code {
  background-color: var(--light-grey) !important;
  color: var(--dark-green) !important;
  padding: 2px 6px;
  border-radius: 4px;
}

/* Logo Styles */
.navbar-logo {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--white);
}

.login-logo {
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin-bottom: 10px;
  border-radius: 12px;
  padding: 10px;
  background-color: var(--light-grey);
}