@import url('https://cdn.jsdelivr.net/gh/rastikerdar/vazirmatn@v33.003/Vazirmatn-font-face.css');
:root { --primary: #007bff; --bg: #f4f7f6; --card: #ffffff; --text: #333; }
* { box-sizing: border-box; font-family: 'Vazirmatn', sans-serif; }
body { background-color: var(--bg); color: var(--text); margin: 0; padding: 20px; direction: rtl; display: flex; justify-content: center; min-height: 100vh; }
.container { background: var(--card); padding: 30px; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); width: 100%; max-width: 500px; display: flex; flex-direction: column; gap: 20px; }
h1, h2 { text-align: center; margin-top: 0; font-size: 1.5rem; }
.code-display { font-size: 2.5rem; font-weight: bold; letter-spacing: 5px; text-align: center; color: var(--primary); background: #e9ecef; padding: 15px; border-radius: 8px; user-select: all; }
.qr-container { display: flex; justify-content: center; margin: 15px 0; }
input[type="text"] { width: 100%; padding: 12px; border: 1px solid #ccc; border-radius: 6px; font-size: 1rem; text-align: center; letter-spacing: 2px; text-transform: uppercase; }
button { width: 100%; padding: 12px; background: var(--primary); color: white; border: none; border-radius: 6px; font-size: 1rem; cursor: pointer; transition: 0.2s; font-weight: bold; }
button:hover { opacity: 0.9; }
button.secondary { background: #6c757d; }
.chat-box { flex-grow: 1; border: 1px solid #eee; border-radius: 8px; padding: 15px; height: 350px; overflow-y: auto; display: flex; flex-direction: column; gap: 10px; background: #fafafa; }
.msg { max-width: 80%; padding: 10px 15px; border-radius: 8px; font-size: 0.9rem; }
.msg.mine { background: #d1e7dd; align-self: flex-start; border-bottom-right-radius: 0; }
.msg.theirs { background: #e2e3e5; align-self: flex-end; border-bottom-left-radius: 0; }
.progress-bar { height: 5px; background: var(--primary); width: 0%; transition: 0.2s; margin-top: 10px; border-radius: 5px; }
#reader { width: 100%; border-radius: 8px; overflow: hidden; }