/* Optimized and production-ready CSS */
body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Header styles */
#me {
    display: flex;
    justify-content: center;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    font-size: 24px;
    margin: 20px 0;
    padding: 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px); /* Safari support */
    letter-spacing: 1px;
    font-weight: bold;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

#me:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
    background: rgba(255, 255, 255, 0.2);
}

/* Name highlight styles */
#me1 {
    background: linear-gradient(to right, #ff8a00, #2ee53d);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 800;
    padding: 0 8px;
    position: relative;
    display: inline-block;
    transition: all 0.3s ease;
    text-shadow: none;
    letter-spacing: 2px;
}

#me1:hover {
    transform: scale(1.05);
    letter-spacing: 3px;
}

#me1::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 3px;
    bottom: -5px;
    left: 0;
    background: linear-gradient(to right, #ff8a00, #2ee534);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.3s ease-out;
}

#me1:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

/* Messages container */
#messages {
    list-style-type: none;
    margin: 0;
    padding: 20px;
    padding-bottom: 80px;
}

#messages > li {
    padding: 12px 20px;
    margin: 8px 0;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    max-width: 80%;
    word-wrap: break-word;
}

#messages > li:nth-child(odd) {
    background: rgba(255, 255, 255, 0.95);
    margin-left: auto;
    border-bottom-right-radius: 5px;
}

#messages > li:nth-child(even) {
    background: rgba(236, 236, 236, 0.95);
    margin-right: auto;
    border-bottom-left-radius: 5px;
}

/* Form styles */
#form {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px); /* Safari support */
    padding: 15px;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    gap: 10px;
    box-sizing: border-box;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 10;
}

#input {
    border: none;
    padding: 12px 20px;
    flex-grow: 1;
    border-radius: 25px;
    margin: 0;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

#input:focus {
    outline: none;
    background: white;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.15);
}

#form > button {
    background: #764ba2;
    border: none;
    padding: 0 25px;
    border-radius: 25px;
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

#form > button:hover {
    background: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Login container */
.login-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 20px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px); /* Safari support */
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.login-container h2 {
    color: white;
    margin-bottom: 20px;
}

.login-container input {
    width: 80%;
    padding: 12px;
    margin-bottom: 15px;
    border: none;
    border-radius: 25px;
    font-size: 16px;
}

.login-container button {
    background: #764ba2;
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 25px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.login-container button:hover {
    background: #667eea;
    transform: translateY(-2px);
}

/* Message types */
.system-message {
    text-align: center;
    background: rgba(255, 255, 255, 0.5) !important;
    color: #555;
    font-style: italic;
    padding: 8px 15px !important;
    margin: 10px auto !important;
    max-width: 70% !important;
}

.my-message {
    margin-left: auto !important;
    background: rgba(118, 75, 162, 0.2) !important;
    border-bottom-right-radius: 5px !important;
}

.other-message {
    margin-right: auto !important;
    background: rgba(255, 255, 255, 0.9) !important;
    border-bottom-left-radius: 5px !important;
}

.sender {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
    color: #764ba2;
}

.my-message .sender {
    color: #667eea;
}

.message-text {
    display: block;
}

/* Media queries for responsiveness */
@media (max-width: 768px) {
    #messages > li {
        max-width: 90%;
    }
    
    .system-message {
        max-width: 85% !important;
    }
    
    .login-container {
        max-width: 90%;
        margin: 50px auto;
    }
    
    .footer-section {
        font-size: 12px;
        padding-top: 15px;
        margin-top: 20px;
    }
    
    #me {
        font-size: 22px;
        padding: 12px;
        margin: 15px 0;
    }
}

@media (max-width: 480px) {
    #me {
        font-size: 18px;
        padding: 10px;
        margin: 10px 0;
    }
    
    #me1 {
        font-size: 18px;
        letter-spacing: 1px;
    }
    
    #me1:hover {
        letter-spacing: 1.5px;
    }
    
    #form {
        padding: 10px;
    }
    
    #input {
        padding: 10px 15px;
        font-size: 14px;
    }
    
    #form > button {
        padding: 0 15px;
        font-size: 14px;
    }
    
    .login-container {
        margin: 30px auto;
        padding: 15px;
    }
    
    .login-container h2 {
        font-size: 18px;
    }
    
    .login-container input {
        width: 90%;
        padding: 10px;
        font-size: 14px;
    }
    
    .login-container button {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .footer-section {
        font-size: 11px;
        padding-top: 12px;
        margin-top: 15px;
    }
    
    .footer-section .mt-2 {
        margin-top: 6px;
    }
    
    .chat-footer {
        margin-bottom: 60px;
    }
    
    #messages {
        padding: 15px;
        padding-bottom: 120px;
    }
    
    #messages > li {
        padding: 10px 15px;
        margin: 6px 0;
        font-size: 14px;
    }
    
    .sender {
        font-size: 13px;
        margin-bottom: 3px;
    }
}

@media (max-width: 320px) {
    #me {
        font-size: 16px;
    }
    
    #me1 {
        font-size: 16px;
    }
    
    #form > button {
        padding: 0 12px;
        font-size: 13px;
    }
    
    #input {
        padding: 8px 12px;
        font-size: 13px;
    }
    
    .login-container h2 {
        font-size: 16px;
    }
    
    .login-container input,
    .login-container button {
        font-size: 13px;
    }
    
    #messages > li {
        font-size: 13px;
        padding: 8px 12px;
    }
    
    .footer-section {
        font-size: 10px;
    }
}

/* Fix for very tall screens */
@media (min-height: 1000px) {
    .login-container {
        margin: 150px auto;
    }
    
    #messages {
        padding-bottom: 200px;
    }
    
    .chat-footer {
        margin-bottom: 100px;
    }
}

/* Fix for landscape orientation on mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .login-container {
        margin: 20px auto;
    }
    
    #me {
        margin: 10px 0;
    }
    
    #messages {
        padding-bottom: 100px;
    }
    
    .chat-footer {
        margin-bottom: 60px;
    }
}

.error-message {
    color: #ecff3e;
    font-size: 14px;
    margin-top: -5px;
    margin-bottom: 10px;
    text-align: center;
    font-weight: 500;
    background: rgba(255, 62, 62, 0.1);
    padding: 5px 10px;
    border-radius: 5px;
    display: none;
}


/* Add this to your existing CSS */

/* Footer section styling */
.footer-section {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 20px;
    margin-top: 30px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
}

.footer-section p {
    margin: 8px 0;
}

.footer-section .heart {
    color: #ff3e3e;
    display: inline-block;
    animation: heartbeat 1.5s infinite;
}

.footer-section a {
    color: #ffcc00;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
    text-decoration: underline;
}

.footer-section .mt-2 {
    margin-top: 8px;
}

/* Footer in chat container */
.chat-footer {
    margin-bottom: 70px; /* Space for the chat input form */
    padding-bottom: 10px;
}

@keyframes heartbeat {
    0% { transform: scale(1); }
    25% { transform: scale(1.1); }
    50% { transform: scale(1); }
    75% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Adjust messages container to make room for footer */
#messages {
    padding-bottom: 150px;
}