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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Stranger Chat</title>
<style>
/*
================================================================================
V3: ADAPTIVE CSS FOR MOBILE & DESKTOP
================================================================================
*/
/* --- 1. Mobile-First Base Styles (Default) --- */
/* These styles apply to all screens, optimized for mobile. */
:root {
--header-bg: #005e54;
--chat-bg: #e5ddd5;
--bubble-me-bg: #dcf8c6;
--bubble-other-bg: #ffffff;
--input-bg: #f0f0f0;
--primary-text: #075e54;
--secondary-text: #667781;
--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
html {
/* Set a larger base font size for mobile readability */
font-size: 1.0em;
}
body {
font-family: var(--font-family);
background: #e9eaed; /* A neutral desktop background */
margin: 0;
padding: 0;
color: #333;
}
/* Hide chat by default */
#chat {
display: none;
}
/* --- Mobile Containers: Full Screen --- */
#lobby, #chat {
height: 100vh;
width: 100%;
margin: 0;
border-radius: 0;
box-shadow: none;
box-sizing: border-box;
flex-direction: column;
}
#lobby {
background: white;
justify-content: center;
padding: 1.5rem;
}
/* --- Mobile Forms & Inputs: Larger for Touch --- */
#lobby h2 {
color: var(--primary-text);
text-align: center;
}
#lobby input, #lobby select, #lobby button {
width: 100%;
padding: 1.1rem; /* More padding for easier tapping */
margin: 0.5rem 0;
box-sizing: border-box;
border: 1px solid #ccc;
border-radius: 8px;
font-size: 1rem;
}
#lobby button {
background-color: var(--header-bg);
color: white;
font-weight: bold;
border: none;
cursor: pointer;
}
#lobbyStatus {
text-align: center;
margin-top: 1rem;
color: var(--secondary-text);
}
/* --- Chat UI Styling (Mobile) --- */
#chat {
background: var(--chat-bg);
overflow: hidden;
}
#chatHeader {
flex-shrink: 0;
background: var(--header-bg);
color: white;
font-weight: 600;
font-size: 1.1rem;
padding: 1rem;
box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
z-index: 10;
text-align: center;
}
#messages {
flex-grow: 1;
overflow-y: auto;
padding: 1rem 0.75rem;
display: flex;
flex-direction: column;
gap: 0.3rem;
}
#messages div {
padding: 0.6rem 0.9rem;
border-radius: 12px;
max-width: 85%;
word-wrap: break-word;
box-shadow: 0 1px 1px rgba(0, 0, 0, 0.08);
line-height: 1.4;
font-size: 1rem; /* Base this on the root html font-size */
}
.me {
align-self: flex-end;
background-color: var(--bubble-me-bg);
border-bottom-right-radius: 2px;
}
.other {
align-self: flex-start;
background-color: var(--bubble-other-bg);
border-bottom-left-radius: 2px;
}
.status {
align-self: center;
background-color: rgba(0, 0, 0, 0.1);
color: white;
font-size: 0.8rem;
font-style: normal;
font-weight: 500;
padding: 0.4rem 0.8rem;
box-shadow: none;
border-radius: 20px;
}
#input-area {
flex-shrink: 0;
display: flex;
align-items: center;
padding: 0.6rem 0.75rem;
background-color: var(--input-bg);
}
#msg {
flex-grow: 1;
border: none;
padding: 0.9rem 1.1rem;
border-radius: 2rem;
font-size: 1rem;
margin-right: 0.6rem;
background: white;
}
#msg:focus {
outline: none;
}
button {
border: none;
cursor: pointer;
background: transparent;
color: white;
font-size: 1rem;
font-weight: bold;
}
#send {
background-color: var(--header-bg);
min-width: 50px;
min-height: 50px;
border-radius: 50%;
padding: 0;
display: flex;
align-items: center;
justify-content: center;
}
#leave {
width: 100%;
padding: 0.5rem;
color: var(--secondary-text);
background-color: var(--input-bg);
text-align: center;
font-size: 0.9rem;
font-weight: normal;
flex-shrink: 0;
}
/* --- 2. Desktop Overrides --- */
/* These styles apply ONLY when screen width is 768px or more. */
@media (orientation: landscape) {
html {
/* Reset to a standard desktop font size */
font-size: 1em;
}
/* Create a centered, windowed look for containers */
#lobby, #chat {
height: auto;
margin: 2rem auto;
border-radius: 12px;
box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}
#lobby {
max-width: 450px; /* Constrain lobby width */
min-height: 0;
padding: 2rem;
}
#chat {
max-width: 80%;
height: calc(100vh - 4rem); /* Fill most of the screen but not all */
max-height: 900px; /* Set a max-height */
}
#leave {
background-color: white; /* Match background on desktop */
}
}
</style>
</head>
<body>
<div id="lobby">
<h2>Create Profile & Join</h2>
<form id="form">
ID: <input name="id" required><br>
Gender:
<select name="gender"><option>Male</option><option>Female</option></select><br>
Age: <input name="age" type="number" required><br>
Interests:<br>
<label><input type="checkbox" name="interests" value="science">Science</label><br>
<label><input type="checkbox" name="interests" value="arts">Arts</label><br>
<label><input type="checkbox" name="interests" value="life">Life</label><br>
Looking for:
<select name="looking">
<option value="any">Any</option>
<option value="male">Male</option>
<option value="female">Female</option>
</select><br>
<button>Enter Lobby</button>
</form>
<div id="lobbyStatus"></div>
</div>
<div id="chat">
<div id="chatHeader">Chat Room</div>
<div id="messages"></div>
<div id="input-area">
<input id="msg" autocomplete="off" placeholder="Type a message...">
<button id="send">Send</button>
</div>
<button id="leave">Leave</button>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.8.1/socket.io.js"></script>
<script>
const socket = io();
const form = document.getElementById("form");
const lobby = document.getElementById("lobby");
const lobbyStatus = document.getElementById("lobbyStatus");
const chatDiv = document.getElementById("chat");
const messages = document.getElementById("messages");
const input = document.getElementById("msg");
const sendBtn = document.getElementById("send");
const leaveBtn = document.getElementById("leave");
const chatHeader = document.getElementById("chatHeader");
let currentRoom = null;
let myId = null;
let mySid = null;
let partnerId = null;
let partnerSid = null;
form.addEventListener("submit", e => {
e.preventDefault();
const data = new FormData(form);
myId = data.get("id");
const profile = {
id: data.get("id"),
gender: data.get("gender"),
age: data.get("age"),
looking: data.get("looking"),
interests: data.getAll("interests")
};
lobbyStatus.textContent = "Finding partner...";
socket.emit("find", profile);
});
socket.on("status", d => {
lobbyStatus.textContent = d.msg;
appendMessage(d.msg, "status");
});
socket.on("matched", d => {
currentRoom = d.room;
mySid = socket.id;
myId = d.my_id;
partnerId = d.partner_id;
partnerSid = d.partner_sid;
lobby.style.display = "none";
chatDiv.style.display = "flex"; // Changed from 'block' to 'flex'
chatHeader.textContent = `Chatroom of ${myId} and ${partnerId}`;
appendMessage("Matched! Start chatting.", "status");
});
// Allow sending message with Enter key
input.addEventListener("keypress", (e) => {
if (e.key === "Enter") {
e.preventDefault(); // Prevents new line in input
sendBtn.onclick();
}
});
sendBtn.onclick = () => {
const txt = input.value.trim();
if (!txt || !currentRoom) return;
socket.emit("chat", { room: currentRoom, msg: txt, sid: mySid });
input.value = "";
input.focus(); // Keep focus on the input after sending
};
socket.on("chat", d => {
const who = d.sid === mySid ? "You" : partnerId || "Partner";
const cls = d.sid === mySid ? "me" : "other";
appendMessage(`${who}: ${d.msg}`, cls);
});
leaveBtn.onclick = () => {
if (confirm("Leave?")) socket.emit("leave", { room: currentRoom });
};
socket.on("left", () => {
appendMessage("You left the chat.", "status");
setTimeout(() => location.reload(), 1000);
});
function appendMessage(text, cls = "chat") {
const d = document.createElement("div");
d.textContent = text;
if (cls) d.classList.add(cls);
messages.append(d);
messages.scrollTop = messages.scrollHeight;
}
</script>
</body>
</html> |