body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #0000AA; /* Borland Blue */
    color: #FFFF55; /* Borland Yellow */
    height: 100vh;
    display: flex;
    flex-direction: column;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: #0000AA;
    border-bottom: 2px solid #FFFFFF;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: #FFFF55;
    letter-spacing: -0.025em;
    background-color: #AA0000; /* Red bg for brand */
    padding: 0.2rem 0.5rem;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #FFFF55;
    font-weight: 500;
    transition: color 0.2s;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: #FFFFFF;
    background-color: #000000;
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: #000000;
    background: #AAAAAA;
    padding: 0.25rem 0.75rem;
    border-radius: 0;
}

/* Modal */
.modal {
    display: flex;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: none;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: #AAAAAA;
    padding: 2.5rem;
    border: 2px solid #FFFFFF;
    border-radius: 0;
    width: 360px;
    box-shadow: 10px 10px 0px rgba(0, 0, 0, 0.5);
    color: #000000;
}

.modal-content h2 {
    margin-top: 0;
    color: #000000;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    background-color: #FFFF55;
    padding: 0.2rem;
    text-align: center;
}

.close {
    float: right;
    cursor: pointer;
    font-size: 1.5rem;
    color: #000000;
    line-height: 1;
}

.close:hover {
    color: #FF0000;
}

form input, form textarea {
    display: block;
    width: 100%;
    margin-bottom: 1rem;
    padding: 0.75rem;
    border: 1px solid #000000;
    border-radius: 0;
    font-size: 0.95rem;
    transition: border-color 0.2s;
    box-sizing: border-box;
    background-color: #FFFFFF;
    color: #000000;
    font-family: monospace;
}

form input:focus, form textarea:focus {
    outline: none;
    border-color: #FF0000;
    box-shadow: none;
    background-color: #FFFFCC;
}

form button, .btn-primary {
    width: 100%;
    padding: 0.75rem;
    background-color: #00AA00; /* Green */
    color: #000000;
    border: 2px solid #000000;
    border-radius: 0;
    cursor: pointer;
    font-weight: 700;
    font-size: 0.95rem;
    transition: background-color 0.2s;
    box-shadow: 2px 2px 0px #000000;
}

form button:hover, .btn-primary:hover {
    background-color: #55FF55;
}

.btn-secondary {
    background-color: #AAAAAA;
    color: #000000;
    border: 2px solid #000000;
    box-shadow: 2px 2px 0px #000000;
}
.btn-secondary:hover {
    background-color: #FFFFFF;
}

/* Dashboard */
.dashboard {
    flex: 1;
    display: flex;
    height: calc(100vh - 73px); /* approx nav height */
    overflow: hidden;
}

.sidebar {
    width: 280px;
    background-color: #0000AA;
    border-right: 2px solid #FFFFFF;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 2px solid #FFFFFF;
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.sidebar-section {
    margin-bottom: 2rem;
}

.sidebar h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #FFFFFF;
    background-color: #000000;
    padding: 0.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: #0000AA;
    position: relative;
}

.empty-state {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #AAAAAA;
    background-color: #000088;
}

.chat-header {
    padding: 1rem 1.5rem;
    border-bottom: 2px solid #FFFFFF;
    background: #0000AA;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header h2 {
    margin: 0;
    font-size: 1.1rem;
    color: #FFFF55;
    background-color: #AA0000;
    padding: 0.2rem 0.5rem;
}

.facilitator-badge {
    font-size: 0.8rem;
    padding: 0.25rem 0.5rem;
    background: #00AAAA; /* Cyan */
    color: #000000;
    border-radius: 0;
    font-weight: 700;
}

.messages {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background-color: #0000AA;
}

.message {
    max-width: 70%;
    padding: 1rem;
    border-radius: 0;
    position: relative;
    line-height: 1.5;
    font-size: 0.95rem;
    box-shadow: 4px 4px 0px rgba(0,0,0,0.5);
    border: 1px solid #FFFFFF;
}

.message.me {
    align-self: flex-end;
    background-color: #AAAAAA;
    color: #000000;
}
.message.me .sender { color: #0000AA; text-align: right; font-weight: bold; }

.message:not(.me):not(.ai) {
    background-color: #FFFFFF;
    border: 1px solid #000000;
    align-self: flex-start;
    color: #000000;
}

.message.ai {
    align-self: center;
    background-color: #00AAAA; /* Cyan */
    border: 2px double #FFFFFF;
    color: #000000;
    width: 80%;
    text-align: center;
    font-style: italic;
    font-family: monospace;
}

.message.grasshopper {
    background-color: #DDFFDD; /* Light Green */
    border: 2px solid #00AA00;
    color: #000000;
    width: 80%;
    align-self: center;
    text-align: left; /* Grasshopper is logical, maybe standard align? Or center for AI? */
    /* Let's keep AI centered or distinctive side? Spec says "clearly differentiated". */
    /* Let's keep them centered but different colors */
}

.message.ladybug {
    background-color: #FFDDDD; /* Light Red/Pink */
    border: 2px solid #AA0000;
    color: #000000;
    width: 80%;
    align-self: center;
    text-align: left;
}

.message .sender {
    font-size: 0.75rem;
    color: #555555;
    margin-bottom: 0.25rem;
    display: block;
    font-weight: 700;
}

.input-area {
    padding: 1.5rem;
    border-top: 2px solid #FFFFFF;
    display: flex;
    gap: 0.75rem;
    background: #0000AA;
}

.input-area input {
    flex: 1;
    margin: 0;
    padding: 0.875rem;
    background: #FFFFFF;
    color: #000000;
    border: 2px solid #AAAAAA;
}

.hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem;
    text-align: center;
    background: #0000AA;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: -0.05em;
    color: #FFFF55;
    background: none;
    -webkit-text-fill-color: initial;
    text-shadow: 4px 4px 0px #000000;
}

.hero p {
    font-size: 1.25rem;
    color: #FFFFFF;
    max-width: 600px;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.hero button {
    width: auto;
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.list-item {
    padding: 0.75rem;
    cursor: pointer;
    border-radius: 0;
    transition: all 0.2s;
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
    background-color: #AAAAAA;
    color: #000000;
    border: 1px solid #FFFFFF;
}

.list-item:hover {
    background-color: #FFFFFF;
}

.list-item.active {
    background-color: #00AAAA;
    color: #000000;
    font-weight: 700;
    border: 2px solid #FFFF55;
}

.pill {
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    background: #FFFFFF;
    border-radius: 0;
    color: #000000;
    border: 1px solid #000000;
}

/* Profile Form */
.profile-view {
    padding: 2rem;
    max-width: 600px;
    margin: 0 auto;
    background-color: #0000AA;
    color: #FFFF55;
}

.card {
    background-color: #AAAAAA;
    color: #000000;
    border: 1px solid #FFFFFF;
    padding: 1.5rem;
    box-shadow: 4px 4px 0px rgba(0,0,0,0.5);
}

.card h3 {
    margin-top: 0;
    color: #000000;
    background-color: #FFFF55;
    display: inline-block;
    padding: 0.2rem 0.5rem;
}

.card p {
    color: #000000;
}

/* Responsive Navigation */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.75rem;
        width: 100%;
    }
    
    .nav-links a {
        font-size: 0.85rem;
    }
}

@media (max-width: 1024px) and (min-width: 769px) {
    .nav-links {
        gap: 1rem;
    }
    
    .nav-links a {
        font-size: 0.9rem;
    }
}