:root {
  --primary-color: #00afb0;
  --secondary-color: #e6f7f7;
  --text-color: #212529;
  --background-color: #f8f9fa;
  --success-color: #00afb0;
  --danger-color: #f44336;
  --light-gray: #f9f9f9;
  --medium-gray: #ccc;
  --white: #fff;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    /* Add background image */
    background-image: url('background.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

header {
    background-color: var(--white);
    padding: 15px 20px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #dee2e6;
}

.logo {
    height: 30px;
    margin-right: 15px;
}

h1 {
    color: var(--primary-color);
    font-size: 1.8em;
    margin: 0;
}

main {
    padding: 20px;
}

#parent-view,
#child-view {
    margin: 20px auto;
    max-width: 600px;
}

/* Add semi-transparent overlay to content cards */
checkin-widget .wrapper, dashboard-view .wrapper, not-ok-view .wrapper {
    background-color: rgba(255, 255, 255, 0.9);
}

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
    background-color: var(--white);
    border-top: 1px solid #dee2e6;
    padding: 10px 0;
}

.bottom-nav button {
    background-color: transparent;
    border: none;
    color: #6c757d;
    font-size: 1em;
    padding: 10px 20px;
}

.bottom-nav button.active {
    color: var(--primary-color);
    font-weight: bold;
}