/* Reset de base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f8f9fa;
  color: #333;
}

/* AUTHENTIFICATION */
.auth-container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.auth-card {
  background: #fff;
  padding: 2rem;
  box-shadow: 0 0 20px rgba(0,0,0,0.05);
  border-radius: 8px;
  width: 100%;
  max-width: 350px;
}

.auth-card h2 {
  margin-bottom: 1rem;
  text-align: center;
}

.auth-card input {
  width: 100%;
  padding: 10px;
  margin: 0.5rem 0;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.auth-card button {
  width: 100%;
  background-color: #5562f0;
  color: white;
  padding: 10px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  margin-top: 1rem;
}

.auth-card button:hover {
  background-color: #3d49d5;
}

.switch-link {
  margin-top: 1rem;
  font-size: 0.9rem;
  text-align: center;
}

.switch-link span {
  color: #5562f0;
  cursor: pointer;
}

/* CHAT APP */
.chat-app {
  display: flex;
  height: 100vh;
}

/* SIDEBAR */
.sidebar {
  width: 220px;
  background-color: #f0f0f0;
  padding: 1rem;
  overflow-y: auto;
  border-right: 1px solid #ddd;
}

.sidebar h3 {
  margin-bottom: 1rem;
}

.sidebar ul {
  list-style: none;
  padding: 0;
  margin-bottom: 1rem;
}

.sidebar li {
  padding: 8px;
  background-color: white;
  border: 1px solid #ddd;
  border-radius: 4px;
  margin-bottom: 5px;
  cursor: pointer;
}

.sidebar li:hover {
  background-color: #e7e7e7;
}

.sidebar button {
  width: 100%;
  padding: 10px;
  background-color: #44b87f;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.sidebar button:hover {
  background-color: #369e6e;
}

/* CHAT ZONE */
.chat-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: #ffffff;
}

/* HEADER */
.chat-area header {
  background-color: #5562f0;
  color: white;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-area header h2 {
  font-size: 1.1rem;
}

.chat-area header button {
  background-color: #e85f5f;
  border: none;
  color: white;
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
}

.chat-area header button:hover {
  background-color: #cc4747;
}

/* MESSAGE ZONE */
.chat-window {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
}

.chat-message {
  background-color: #f0f0f0;
  padding: 8px 12px;
  border-radius: 18px;
  margin-bottom: 10px;
  max-width: 70%;
  word-break: break-word;
}

.chat-message.me {
  background-color: #d3e2fd;
  align-self: flex-end;
  text-align: right;
  margin-left: auto;
}

/* INPUT */
.input-area {
  display: flex;
  padding: 1rem;
  gap: 0.5rem;
  border-top: 1px solid #eee;
}

.input-area input {
  flex: 1;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.input-area button {
  padding: 10px 16px;
  background-color: #5562f0;
  border: none;
  border-radius: 4px;
  color: white;
  cursor: pointer;
}

.input-area button:hover {
  background-color: #3d49d5;
}

/* UTILS */
.hidden {
  display: none;
}