/* RESET */
body {
  margin: 0;
  font-family: Segoe UI, Arial, sans-serif;
}

/* ========================= */
/* 🤍 FUNDO LIMPO */
/* ========================= */

.rp-bg {
  height: 100vh;
  background: linear-gradient(
    to bottom,
    #ffffff,
    #e9f1fb
  );
}

/* ========================= */
/* 🪟 JANELA LOGIN */
/* ========================= */

.rp-window {
  width: 340px;
  margin: 100px auto;

  border-radius: 10px;

  background: white;

  border: 1px solid #c7d4e5;

  box-shadow:
    0 0 10px rgba(0,0,0,0.2),
    inset 0 1px 0 #ffffff;
}

/* TÍTULO */
.rp-title {
  padding: 10px;

  font-weight: bold;
  color: #003366;

  background: linear-gradient(
    to bottom,
    #eaf3ff,
    #c5d9f1
  );

  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
}

/* CONTEÚDO */
.rp-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
}

/* AVATAR */
.avatar-box {
  text-align: center;
  margin-bottom: 15px;
}

.avatar-box img {
  width: 70px;
  border-radius: 8px;
}

/* INPUTS */
input, select {
  margin-bottom: 10px;
  padding: 7px;

  border-radius: 4px;
  border: 1px solid #aab4c3;

  background: linear-gradient(
    to bottom,
    #ffffff,
    #edf2f8
  );
}

/* ========================= */
/* 🟢 BOTÕES */
/* ========================= */

button {
  margin-top: 5px;
  padding: 8px;

  border-radius: 5px;
  border: 1px solid #4caf50;

  background: linear-gradient(
    to bottom,
    #7ed957,
    #4caf50
  );

  color: white;
  font-weight: bold;

  cursor: pointer;

  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.6);
}

button:hover {
  background: linear-gradient(
    to bottom,
    #8efc6a,
    #43a047
  );
}

/* BOTÃO SECUNDÁRIO */
button.secondary {
  background: linear-gradient(
    to bottom,
    #f5f5f5,
    #dcdcdc
  );

  border: 1px solid #aaa;
  color: #333;
}

/* ========================= */
/* 💬 APP */
/* ========================= */

.app-container {
  display: flex;
  height: 100vh;
}

/* SIDEBAR */
.sidebar {
  width: 260px;
  padding: 10px;

  background: linear-gradient(
    to bottom,
    #eaf3ff,
    #d6e6f7
  );

  border-right: 1px solid #b7c7da;
}

/* HEADER */
.sidebar-header {
  font-weight: bold;
  color: #003366;
  margin-bottom: 10px;
}

/* CONTATOS */
.contact {
  padding: 8px;
  margin-bottom: 5px;

  border-radius: 5px;

  background: white;

  border: 1px solid #c7d4e5;

  cursor: pointer;
}

.contact:hover {
  background: #e6f0ff;
}

/* ========================= */
/* 💬 CHAT */
/* ========================= */

.chat {
  flex: 1;
  display: flex;
  flex-direction: column;

  background: #ffffff;
}

/* HEADER CHAT */
.chat-header {
  padding: 10px;

  font-weight: bold;
  color: #003366;

  background: linear-gradient(
    to bottom,
    #eaf3ff,
    #c5d9f1
  );

  border-bottom: 1px solid #b7c7da;
}

/* MENSAGENS */
.messages {
  flex: 1;
  padding: 15px;
  overflow-y: auto;
}

/* BALÕES */
.msg {
  margin-bottom: 10px;
  padding: 8px;

  border-radius: 6px;

  max-width: 60%;

  background: #f2f6fb;

  border: 1px solid #d0dbe8;
}

/* MINHAS MENSAGENS */
.msg.me {
  margin-left: auto;

  background: #dff5dd;
  border: 1px solid #9ed89a;
}

/* INPUT */
.chat-input {
  display: flex;
  padding: 10px;

  border-top: 1px solid #ccc;

  background: #f9fbff;
}

.chat-input input {
  flex: 1;
}

/* ========================= */
/* 🟠 DETALHES */
/* ========================= */

a {
  color: #ff6600;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ========================= */
/* 🪟 JANELA MSN */
/* ========================= */

.messenger-window {
  width: 900px;
  height: 600px;
  margin: 40px auto;

  background: white;

  border: 1px solid #b7c7da;
  border-radius: 8px;

  box-shadow: 0 0 15px rgba(0,0,0,0.3);
}

/* TOPO */
.top-bar {
  padding: 8px 12px;

  background: linear-gradient(
    to bottom,
    #eaf3ff,
    #c5d9f1
  );

  font-weight: bold;
  color: #003366;

  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* BOTÃO SAIR */
.logout-btn {
  background: #ff6600;
  border: none;
  color: white;
  padding: 4px 10px;
  border-radius: 4px;
}

/* CORPO */
.messenger-body {
  display: flex;
  height: calc(100% - 40px);
}

/* ========================= */
/* 👥 CONTATOS */
/* ========================= */

.contacts-panel {
  width: 260px;

  background: linear-gradient(
    to bottom,
    #eaf3ff,
    #d6e6f7
  );

  border-right: 1px solid #b7c7da;

  display: flex;
  flex-direction: column;
}

/* INFO USUÁRIO */
.user-info {
  padding: 10px;
  font-size: 13px;
  color: #003366;

  border-bottom: 1px solid #c7d4e5;
}

/* LISTA */
.contacts-list {
  flex: 1;
  overflow-y: auto;
}

/* CONTATO */
.contact {
  padding: 8px;
  display: flex;
  align-items: center;

  cursor: pointer;
}

/* STATUS BOLINHA */
.contact::before {
  content: "🟢";
  margin-right: 8px;
}

/* HOVER */
.contact:hover {
  background: #e6f0ff;
}

/* ========================= */
/* 💬 CHAT */
/* ========================= */

.chat-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* HEADER */
.chat-header {
  padding: 10px;

  font-weight: bold;
  color: #003366;

  background: linear-gradient(
    to bottom,
    #eaf3ff,
    #c5d9f1
  );

  border-bottom: 1px solid #b7c7da;
}

/* MENSAGENS */
.messages {
  flex: 1;
  padding: 15px;
  overflow-y: auto;

  background: #ffffff;
}

/* BALÕES */
.msg {
  margin-bottom: 10px;
  padding: 8px;

  border-radius: 6px;

  max-width: 60%;

  background: #f2f6fb;
  border: 1px solid #d0dbe8;
}

.msg.me {
  margin-left: auto;

  background: #dff5dd;
  border: 1px solid #9ed89a;
}

/* INPUT */
.chat-input {
  display: flex;
  padding: 10px;

  border-top: 1px solid #ccc;
  background: #f9fbff;
}

.chat-input input {
  flex: 1;
}

.chat-input button {
  margin-left: 5px;
}

.add-contact-btn {
  margin: 10px;
  padding: 6px;

  background: linear-gradient(
    to bottom,
    #7ed957,
    #4caf50
  );

  border: 1px solid #4caf50;
  border-radius: 5px;

  color: white;
  font-size: 13px;
  cursor: pointer;
}

.add-contact-btn:hover {
  filter: brightness(1.1);
}

/* STATUS */
.status {
  display: inline-block;
  width: 10px;
  height: 10px;

  border-radius: 50%;
  margin-right: 6px;
}

/* CORES */
.status.online {
  background: #4caf50;
}

.status.away {
  background: orange;
}

.status.busy {
  background: red;
}

.status.offline {
  background: gray;
}

/* AVATAR CONTATO */
.contact-avatar {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  margin-right: 6px;
}

.delete-btn {
  background: linear-gradient(to bottom, #ff5c5c, #cc0000);
  border: 1px solid #990000;
  color: white;
  border-radius: 4px;
  margin-left: 8px;
  cursor: pointer;
}

.delete-btn:hover {
  background: linear-gradient(to bottom, #ff7a7a, #ff0000);
  box-shadow: 0 0 6px rgba(255,0,0,0.6);
}