/* --- GLOBAL TYPOGRAPHY --- */
body {
    font-family: "Arial", "Segoe UI", "Roboto", "Helvetica Neue", sans-serif;
    background-color: #ECE5DD; /* Tan background matching Signal dashboard */
    color: #333333;
    margin: 0;
    padding: 0;
}

h1, h2, h3, h4, h5 {
    font-weight: 600;
    color: #333333; /* Text Neutral */
}

/* --- SIDEBAR --- */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    padding: 1rem 0;
    background-color: #132E4A; /* Navy Blue */
    color: #FFFFFF;
    overflow-y: auto;
    box-shadow: 2px 0 5px rgba(0,0,0,0.1);
    z-index: 1000;
}

.content {
    margin-left: 280px;
    padding: 2rem;
    background-color: #ECE5DD; /* Tan background */
    min-height: 100vh;
}

/* Navigation Links - White text on navy background */
.nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    font-weight: 500;
    margin-bottom: 0.25rem;
    border-radius: 5px;
    transition: all 0.2s;
    padding: 0.5rem 1rem !important;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #FFFFFF !important;
}

.nav-link.active {
    background-color: rgba(255, 255, 255, 0.15);
    color: #FFFFFF !important;
    font-weight: 600;
}

/* --- RADIAN CARD (Collapsible) --- */
.radian-card {
    background-color: #FFFFFF;
    border: none;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.radian-card-header {
    background-color: #FFFFFF;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #F0F0F0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.radian-card-title {
    margin: 0;
    font-size: 1.1rem;
    color: #333333;
    font-weight: normal;
}

.radian-card-subtitle {
    margin: 0;
    font-size: 0.85rem;
    color: #757575;
}

/* Card styling matching Signal dashboard */
.card {
    border: none;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 1.5rem;
}

.card-header {
    border-radius: calc(0.375rem - 1px) calc(0.375rem - 1px) 0 0;
}