/* Global layout */

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

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
}

body {
    font-family: system-ui, sans-serif;
    margin: 0;
    padding: 0;
    background: #f7f9fa;
    color: #333;
}

/* Header */
header {
    background: #00678B;
    color: white;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

header a {
    color: #1AC2D4;
    text-decoration: none;
    font-weight: bold;
}

header a:hover {
    text-decoration: underline;
}

/* Page title */
h1 {
    margin: 0;
    font-size: 24px;
}

/* Content wrapper */
main {
    padding: 20px;
}

/* Message list */
#messages {
    position: absolute;
    top: 120px; /* unter dem Header */
    left: 0;
    right: 0;
    bottom: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch; /* iOS smooth scroll */
    padding: 15px;
}

.msg {
    background: white;
    padding: 10px 12px;
    margin-bottom: 10px;
    border-left: 4px solid #00678B;
    border-radius: 4px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

/* Subtitle color */
.subtitle {
    color: #1AC2D4;
    margin-top: 5px;
    font-size: 14px;
}