html, body {
    height: 100%;
    margin: 0;
}

body {
    display: flex;
    flex-direction: column;
    font-family: system-ui, -apple-system, BlinkMacSystemFont;
    background: #f8fafc;
    color: #1f2937;
}

main {
    flex: 1 1 auto;
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 2rem;
}

header {
    flex: 0 0 auto;
    position: sticky;
    top: 0;
    z-index: 1000;
    background-image: url('/images/mood.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: white;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
}

nav a {
    margin-left: 1.5rem;
    font-weight: 600;
    text-decoration: none;
    color: #FFFFFF;
}

    nav a:hover {
        color: #2563eb;
    }

h1 {
    font-size: 2.5rem;
    color: #2563eb;
    margin-bottom: 1rem;
}

.card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 10px 25px rgba(0,0,0,.08);
    margin-top: 2rem;
}

footer {
    flex: 0 0 auto;
    position: sticky;
    bottom: 0;
    z-index: 1000;
    background: #0f172a;
    color: #e5e7eb;
    text-align: center;
    padding: 1rem;
}