/* Global Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(to bottom, #000428, #0a0a2a) fixed;
    color: #ffffff;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
}

/* Header Styles */
header {
    background: rgba(0, 5, 15, 0.25) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 191, 255, 0.2);
    color: #00ffff;
    padding: 1rem 2rem;
    box-shadow: 0 0 8px rgba(0, 191, 255, 0.15);
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo img {
    height: 50px;
    width: auto;
    filter: drop-shadow(0 0 3px rgba(0, 191, 255, 0.5));
}

.logo span {
    font-size: 1.7rem;
    font-weight: 600;
    text-shadow: 0 0 5px rgba(0, 191, 255, 0.4);
}

/* Main Content */
main {
    flex: 1;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(0, 10, 20, 0.2) !important;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(0, 191, 255, 0.15);
    box-shadow: 0 0 10px rgba(0, 191, 255, 0.1);
}

.chat-box {
    width: 100%;
    height: 70vh;
    background: rgba(0, 0, 10, 0.25) !important;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: 8px;
    box-shadow: 0 0 8px rgba(0, 191, 255, 0.1);
    padding: 20px;
    display: flex;
    flex-direction: column;
}

#chatMessages {
    flex: 1;
    overflow-y: auto;
    padding-right: 10px;
    margin-bottom: 15px;
}

.input-area {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    background: rgba(0, 5, 15, 0.2);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    padding: 15px;
    border-radius: 8px;
}

input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid rgba(0, 191, 255, 0.4);
    border-radius: 4px;
    background: rgba(0, 10, 20, 0.5);
    color: #ffffff;
    font-size: 1rem;
}

input:focus {
    outline: none;
    border-color: #00ffff;
    box-shadow: 0 0 5px rgba(0, 255, 255, 0.2);
}

button {
    background: linear-gradient(to right, #00ffff, #00bfff);
    color: #000;
    border: none;
    border-radius: 4px;
    padding: 12px 20px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

button:hover {
    box-shadow: 0 0 8px rgba(0, 255, 255, 0.4);
    transform: translateY(-2px);
}

.message {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 15px;
    margin-bottom: 15px;
    border-radius: 12px;
    max-width: 85%;
    line-height: 1.5;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.user-message .message-avatar {
    border: 2px solid #00bfff;
    box-shadow: 0 0 5px rgba(0, 191, 255, 0.3);
}

.bot-message .message-avatar {
    border: 2px solid #00ffff;
    box-shadow: 0 0 5px rgba(0, 255, 255, 0.3);
}

.message-content {
    flex: 1;
}

.user-message {
    flex-direction: row-reverse;
    margin-left: auto;
    background: rgba(0, 100, 150, 0.3);
    border-left: none;
    border-right: 3px solid #00bfff;
}

.bot-message {
    margin-right: auto;
    background: rgba(0, 50, 100, 0.3);
    border-right: none;
    border-left: 3px solid #00ffff;
}

.loading-message {
    color: #666;
    font-style: italic;
}

.error-message {
    color: #d32f2f;
}

#bgCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.15;
}

/* Footer Styles */
footer {
    background: rgba(0, 0, 20, 0.25) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid rgba(0, 191, 255, 0.2);
    color: #cccccc;
    padding: 1rem 2rem;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

footer a {
    color: #00ffff;
    text-decoration: none;
    text-shadow: 0 0 3px rgba(0, 255, 255, 0.3);
}

footer a:hover {
    text-shadow: 0 0 5px rgba(0, 255, 255, 0.4);
}

.copyright {
    font-size: 0.9rem;
    color: #bdc3c7;
}