/* تطبيق ZZApp - تصميم بسيط للهواتف القديمة */
* {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  font-size: 16px;
  box-sizing: border-box;
}

body {
  background: #f5f5f5;
  color: #333;
  height: 100vh;
  overflow: hidden;
}

/* شاشات التطبيق */
.screen {
  width: 100%;
  height: 100vh;
  display: none;
  flex-direction: column;
}

/* شاشة تسجيل الدخول */
#login {
  background: #075e54;
  color: white;
  text-align: center;
  padding: 40px 20px;
}

#login h1 {
  font-size: 28px;
  margin-bottom: 30px;
  color: white;
}

#status {
  font-size: 18px;
  margin: 20px 0;
  color: #e0e0e0;
}

#qr {
  width: 250px;
  height: 250px;
  background: white;
  padding: 15px;
  margin: 20px auto;
  border: 2px solid #ddd;
}

.instructions {
  color: #b0b0b0;
  font-size: 14px;
  line-height: 1.6;
  margin-top: 30px;
  text-align: right;
  padding: 0 10px;
}

/* شاشة المحادثات */
#app {
  background: white;
}

/* رأس المحادثات */
.app-header {
  background: #075e54;
  color: white;
  padding: 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #0d4d44;
}

.app-title {
  font-size: 20px;
  font-weight: bold;
}

.header-btn {
  background: #25d366;
  color: white;
  border: none;
  padding: 8px 15px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
}

/* قائمة المحادثات */
#chats-list {
  flex: 1;
  overflow-y: auto;
  background: white;
}

.chat-item {
  padding: 15px;
  border-bottom: 1px solid #eee;
  display: flex;
  align-items: center;
  cursor: pointer;
  background: white;
}

.chat-item:hover {
  background: #f9f9f9;
}

.chat-avatar {
  width: 45px;
  height: 45px;
  background: #075e54;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: bold;
  margin-left: 15px;
}

.chat-info {
  flex: 1;
  overflow: hidden;
}

.chat-name {
  font-weight: bold;
  color: #333;
  font-size: 16px;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-last {
  color: #666;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-time {
  color: #999;
  font-size: 12px;
  white-space: nowrap;
}

/* شاشة المحادثة */
#chat {
  background: #e5ddd5;
}

/* رأس المحادثة */
.chat-header {
  background: #075e54;
  color: white;
  padding: 12px 15px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid #0d4d44;
}

.back-btn {
  background: none;
  border: none;
  color: white;
  font-size: 20px;
  margin-left: 10px;
  padding: 5px;
  cursor: pointer;
}

.chat-title {
  flex: 1;
  text-align: center;
}

.chat-title-main {
  font-size: 18px;
  font-weight: bold;
  display: block;
}

.chat-title-sub {
  font-size: 12px;
  color: #ccc;
  display: block;
  margin-top: 2px;
}

/* الرسائل */
#messages-container {
  flex: 1;
  padding: 15px;
  overflow-y: auto;
  background: #e5ddd5;
}

.message {
  max-width: 80%;
  padding: 10px;
  margin: 8px 0;
  border-radius: 7px;
  font-size: 16px;
  line-height: 1.4;
  clear: both;
}

.message.incoming {
  background: white;
  float: right;
  margin-right: 10px;
  border-top-right-radius: 0;
}

.message.outgoing {
  background: #dcf8c6;
  float: left;
  margin-left: 10px;
  border-top-left-radius: 0;
}

.sender-name {
  font-weight: bold;
  color: #075e54;
  font-size: 12px;
  margin-bottom: 5px;
}

.message-text {
  margin-bottom: 5px;
  word-wrap: break-word;
}

.message-media img {
  max-width: 100%;
  max-height: 300px;
  border-radius: 5px;
  margin: 5px 0;
}

.message-audio audio {
  width: 100%;
  height: 40px;
  margin: 5px 0;
}

.message-time {
  font-size: 11px;
  color: #666;
  margin-top: 5px;
  text-align: left;
}

/* مربع الإرسال */
.message-input-container {
  background: #f0f0f0;
  padding: 10px;
  border-top: 1px solid #ddd;
  display: flex;
  align-items: center;
  gap: 10px;
}

.input-btns {
  display: flex;
  gap: 5px;
}

.input-btn {
  background: none;
  border: none;
  color: #075e54;
  font-size: 20px;
  padding: 5px;
  cursor: pointer;
}

#message-input {
  flex: 1;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
}

.send-btn {
  background: #075e54;
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: 4px;
  font-size: 16px;
  cursor: pointer;
}

/* شريط التمرير */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 3px;
}

/* للشاشات الصغيرة */
@media (max-width: 480px) {
  .chat-avatar {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }
  
  .message {
    max-width: 85%;
  }
}

/* للشاشات الكبيرة */
@media (min-width: 769px) {
  body {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #ddd;
  }
  
  .screen {
    width: 800px;
    height: 600px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(0,0,0,0.2);
  }
  
  #login {
    border-radius: 10px;
  }
}