/* ========== RESET DE BASE ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Roboto, sans-serif;
}

body {
  background: linear-gradient(135deg, #74b9ff, #a29bfe);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  color: #333;
}

/* ========== CONTAINER GÉNÉRAL ========== */
.container, .chat-box {
  background: #fff;
  border-radius: 12px;
  padding: 30px 25px;
  width: 100%;
  max-width: 450px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
  text-align: center;
}

h2, h3 {
  margin-bottom: 15px;
  color: #2d3436;
}

/* ========== FORMULAIRES ========== */
form input[type="text"],
form input[type="email"],
form input[type="password"] {
  width: 100%;
  padding: 10px;
  margin: 8px 0;
  border: 1px solid #dfe6e9;
  border-radius: 6px;
  font-size: 15px;
  transition: all 0.2s;
}

form input:focus {
  border-color: #0984e3;
  outline: none;
}

form button {
  background-color: #0984e3;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 15px;
  cursor: pointer;
  margin-top: 8px;
  transition: background 0.3s;
}

form button:hover {
  background-color: #74b9ff;
}

/* ========== LIENS ET MESSAGES ========== */
a {
  color: #0984e3;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.error {
  color: #d63031;
  margin-bottom: 10px;
}

.success {
  color: #00b894;
  margin-bottom: 10px;
}

/* ========== CHAT ========== */
.chat-box {
  max-width: 700px;
  padding: 20px;
}

.messages {
  border: 1px solid #dfe6e9;
  background: #fafafa;
  border-radius: 8px;
  height: 300px;
  overflow-y: auto;
  margin-bottom: 10px;
  text-align: left;
  padding: 10px;
}

.msg {
  margin-bottom: 8px;
  padding: 6px 10px;
  border-radius: 5px;
  background: #f1f2f6;
}

.msg strong {
  color: #2d3436;
}

.msg small {
  color: #636e72;
  font-size: 12px;
  margin-left: 5px;
}

.admin {
  color: #d63031;
  font-weight: bold;
}

/* ========== WEBCAM ========== */
#webcam {
  margin: 15px auto;
  text-align: center;
}

video {
  border: 2px solid #0984e3;
  border-radius: 8px;
  background: #000;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 600px) {
  .chat-box {
    padding: 15px;
  }
  video {
    width: 100%;
    height: auto;
  }
}