/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    color: #ffffff;
    min-height: 100vh;
    overflow-x: hidden;
}

/* App Container */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: relative;
}

/* Header */
.header {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid #00d4ff;
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

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

.logo i {
    font-size: 2rem;
    color: #00d4ff;
    animation: pulse 2s infinite;
}

.logo h1 {
    font-family: 'Orbitron', monospace;
    font-size: 1.8rem;
    font-weight: 900;
    background: linear-gradient(45deg, #00d4ff, #ff6b35);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Auth Section */
.auth-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.auth-btn {
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.3);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid #00d4ff;
}

.user-name {
    font-weight: 500;
    color: #00d4ff;
}

.logout-btn {
    background: rgba(255, 107, 53, 0.2);
    color: #ff6b35;
    border: 1px solid #ff6b35;
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.logout-btn:hover {
    background: #ff6b35;
    color: white;
}

.swap-account-btn {
    background: rgba(0, 207, 255, 0.2);
    color: #00CFFF;
    border: 1px solid #00CFFF;
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-right: 8px;
}

.swap-account-btn:hover {
    background: #00CFFF;
    color: white;
}

/* Chat Container */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding: 2rem;
    position: relative;
}

/* Welcome Message */
.welcome-message {
    text-align: center;
    padding: 3rem 1rem;
    background: rgba(0, 212, 255, 0.05);
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    margin-bottom: 2rem;
}

.welcome-icon {
    font-size: 4rem;
    color: #00d4ff;
    margin-bottom: 1rem;
    animation: float 3s ease-in-out infinite;
}

.welcome-content h2 {
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #00d4ff, #ff6b35);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-content p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #cccccc;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.feature-highlights {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 25px;
    border: 1px solid rgba(0, 212, 255, 0.3);
    transition: all 0.3s ease;
}

.feature:hover {
    background: rgba(0, 212, 255, 0.2);
    transform: translateY(-2px);
}

.feature i {
    color: #00d4ff;
}

/* Chat Messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.message {
    display: flex;
    gap: 1rem;
    animation: slideIn 0.3s ease;
}

.message.user {
    flex-direction: row-reverse;
}

.message-content {
    max-width: 70%;
    padding: 1rem 1.5rem;
    border-radius: 20px;
    position: relative;
}

.message.user .message-content {
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    color: white;
    border-bottom-right-radius: 5px;
}

.message.bot .message-content {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-bottom-left-radius: 5px;
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.message.user .message-avatar {
    background: linear-gradient(45deg, #ff6b35, #ff8c42);
    color: white;
}

.message.bot .message-avatar {
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    color: white;
}

.message-text {
    line-height: 1.5;
    white-space: pre-wrap;
}

.message-time {
    font-size: 0.8rem;
    opacity: 0.7;
    margin-top: 0.5rem;
}

/* Input Section */
.input-section {
    margin-top: auto;
    padding-top: 1rem;
}

.input-container {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 25px;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.message-input {
    flex: 1;
    background: transparent;
    border: none;
    color: white;
    font-size: 1rem;
    resize: none;
    outline: none;
    font-family: inherit;
    line-height: 1.5;
    max-height: 120px;
    overflow-y: auto;
}

.message-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.send-btn {
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    color: white;
    border: none;
    padding: 0.75rem;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 50px;
    height: 50px;
}

.send-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.3);
}

.send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.input-footer {
    margin-top: 0.5rem;
    padding-left: 1rem;
}

.typing-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #00d4ff;
    font-size: 0.9rem;
}

.typing-indicator i {
    animation: typing 1.4s infinite;
}

.typing-indicator i:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator i:nth-child(3) {
    animation-delay: 0.4s;
}

/* Quick Actions */
.quick-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding: 1rem 2rem;
    flex-wrap: wrap;
}

.quick-action {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    color: #00d4ff;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.quick-action:hover {
    background: rgba(0, 212, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.2);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-content {
    text-align: center;
    color: white;
}

.ghost-loader {
    font-size: 4rem;
    color: #00d4ff;
    margin-bottom: 1rem;
    animation: float 2s ease-in-out infinite;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: rgba(26, 26, 46, 0.95);
    border: 1px solid #00d4ff;
    border-radius: 20px;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    backdrop-filter: blur(10px);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.modal-header h3 {
    color: #00d4ff;
    font-family: 'Orbitron', monospace;
}

.close-btn {
    background: none;
    border: none;
    color: #ff6b35;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: rgba(255, 107, 53, 0.2);
}

.modal-body {
    margin-bottom: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    border: none;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.3);
}

/* Animations */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-10px); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .chat-container {
        padding: 1rem;
    }
    
    .welcome-content h2 {
        font-size: 2rem;
    }
    
    .feature-highlights {
        flex-direction: column;
        align-items: center;
    }
    
    .quick-actions {
        padding: 1rem;
    }
    
    .message-content {
        max-width: 85%;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 1rem;
    }
    
    .chat-container {
        padding: 0.5rem;
    }
    
    .message-content {
        max-width: 90%;
        padding: 0.75rem 1rem;
    }
    
    .input-container {
        padding: 0.75rem;
    }
    
    .quick-actions {
        gap: 0.5rem;
    }
    
    .quick-action {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}