:root {
    --primary: #00a8ff;
    --primary-dark: #0097e6;
    --secondary: #1e272e;
    --background: #0a0a0a;
    --text: #f5f6fa;
    --card-bg: #1a1a1a;
    --border: rgba(0, 168, 255, 0.3);
    --shadow: 0 0 20px rgba(0, 168, 255, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Orbitron', sans-serif;
}

body {
    background-color: var(--background);
    color: var(--text);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header Styles */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    font-size: 2rem;
    color: var(--primary);
    animation: pulse 2s infinite;
}

.logo h1 {
    font-size: 2rem;
    background: linear-gradient(45deg, var(--primary), #00d2ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Card Styles */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

/* Form Styles */
.form-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

input {
    width: 100%;
    padding: 0.8rem;
    background-color: var(--secondary);
    border: 1px solid var(--border);
    border-radius: 5px;
    color: var(--text);
    font-size: 1rem;
}

input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(0, 168, 255, 0.3);
}

/* Button Styles */
.btn-primary, .btn-secondary {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--text);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    box-shadow: 0 0 15px rgba(0, 168, 255, 0.4);
}

.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}

.btn-secondary:hover {
    background-color: rgba(0, 168, 255, 0.1);
}

.btn-group {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

/* Grid Layout */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

/* Balance Display */
.balance {
    font-size: 2.5rem;
    color: var(--primary);
    margin-top: 1rem;
}

/* Transactions List */
.transactions {
    max-height: 300px;
    overflow-y: auto;
}

.transaction-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

.transaction-item:last-child {
    border-bottom: none;
}

/* Chat Container */
.chat-container {
    display: flex;
    flex-direction: column;
    height: 400px;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    background-color: var(--secondary);
    border-radius: 5px;
    margin-bottom: 1rem;
}

.chat-input {
    display: flex;
    gap: 1rem;
}

.message {
    padding: 0.8rem;
    margin-bottom: 1rem;
    border-radius: 5px;
    max-width: 80%;
}

.user-message {
    background-color: var(--primary);
    margin-left: auto;
}

.ai-message {
    background-color: var(--secondary);
    margin-right: auto;
}

/* Animations */
@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .grid {
        grid-template-columns: 1fr;
    }
    
    .btn-group {
        flex-direction: column;
    }
}