/* ================= RESET ================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

/* ================= COLORS ================= */
:root {
  --blue: #2da8ff;
  --white: #ffffff;
  --gray: #e6e6e6;
  --bubble-blue: #31b0ff;
  --bubble-gray: #d9d9d9;
  --hover-bg: #eaf6ff;
}

/* ================= BODY ================= */
body {
  width: 100vw;
  height: 100vh;
  background: var(--blue);
  overflow: hidden;
}

.load {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: white;
}

.load img {
  background-color: white;
  padding: 0px;
  border-radius: 50px;
}

/* ================= APP ================= */
.app {
  width: 100%;
  height: 100%;
  display: flex;
  background: var(--blue);
}

/* ================= SIDEBAR ================= */
.sidebar {
  width: 280px;
  background: var(--white);
  padding: 14px;
  display: flex;
  flex-direction: column;
  border-right: var(--gray) 2px solid;
}

.sidebar-header {
  background: var(--blue);
  color: white;
  padding: 12px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-header h2 {
  font-size: 16px;
  flex: 1;
}

.sidebar-header i {
  font-size: 20px;
  cursor: pointer;
}

.search {
  margin: 12px 0;
  padding: 8px 14px;
  border-radius: 20px;
  border: none;
  background: #f0f0f0;
  outline: none;
}

.chat-list {
  flex: 1;
  overflow-y: auto;
}

.chat-item {
  display: flex;
  gap: 10px;
  padding: 10px;
  border-radius: 14px;
  align-items: center;
  cursor: pointer;
}

.chat-item.active,
.chat-item:hover {
  background: var(--gray);
  cursor: pointer;
}

.chat-item img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
}

.chat-item h4 {
  font-size: 14px;
}

.chat-item span {
  font-size: 12px;
  color: gray;
}

/* ================= CHAT ================= */
.chat {
  flex: 1;
  background: var(--white);
  display: flex;
  flex-direction: column;
}

/* ================= CHAT HEADER ================= */
.chat-header {
  background: var(--blue);
  color: white;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  height: 50px;
  flex-direction: row;
  gap: 12px;
}

.chat-header img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
}

.chat-header .info {
  flex: 1;
}

.chat-header h3 {
  font-size: 15px;
}

.chat-header span {
  font-size: 12px;
}

.chat-header .actions i {
  font-size: 20px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.15s;
}

.chat-header .actions i:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ================= MESSAGES ================= */
.messages {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
}

.msg {
  max-width: 40vw;
  width: fit-content;

  padding: 8px 12px;
  margin: 4px 0;

  border-radius: 8px;

  font-size: 14px;
  word-wrap: break-word;
}

.msg.left {
  background: var(--bubble-gray);
  color: black;
  margin-right: auto;
}

.msg.right {
  background: var(--bubble-blue);
  color: white;
  margin-left: auto;
}

.msg.left + .msg.left,
.msg.right + .msg.right {
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.msg.left:has(+ .msg.left),
.msg.right:has(+ .msg.right) {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

/* ================= INPUT BAR ================= */
.input-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
}

/* ICON BOXES */
.input-bar i {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--white);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  cursor: pointer;
  transition: background-color 0.15s;
}

.input-bar i:hover {
  background: var(--hover-bg);
}

/* INPUT BOX */
.input-bar input {
  flex: 1;
  height: 44px;
  padding: 0 14px;
  border-radius: 10px;
  border: none;
  outline: none;
  background: var(--white);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  font-size: 14px;
}
.hidden {
  display: none;
}

/* AUTH OVERLAY */
#auth-overlay {
  position: fixed;
  inset: 0;
  background: #0f172a;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.auth-box {
  background: white;
  padding: 24px;
  border-radius: 14px;
  width: 300px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.auth-box input,
.auth-box button {
  padding: 10px;
  font-size: 14px;
}

.auth-box button.google {
  background: #4285f4;
  color: white;
  border: none;
}

#feedback-message.error {
  color: red;
}

#feedback-message.success {
  color: green;
}
/* ================= POPUP OVERLAY ================= */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

/* ================= POPUP BOX ================= */
.popup {
  width: 320px;
  background: var(--white);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  gap: 14px;
  animation: popup-in 0.18s ease-out;
}

/* ================= POPUP HEADER ================= */
.popup h3 {
  font-size: 15px;
  color: #111;
}

/* ================= POPUP INPUT ================= */
.popup input {
  height: 42px;
  padding: 0 14px;
  border-radius: 10px;
  border: 1px solid var(--gray);
  outline: none;
  font-size: 14px;
}

.popup input:focus {
  border-color: var(--blue);
}

/* ================= POPUP ACTIONS ================= */
.popup-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

/* BUTTON BASE */
.popup-actions button {
  height: 38px;
  padding: 0 16px;
  border-radius: 10px;
  border: none;
  font-size: 13px;
  cursor: pointer;
}

/* CANCEL */
.popup-actions .cancel {
  background: var(--gray);
}

/* CONFIRM */
.popup-actions .confirm {
  background: var(--blue);
  color: white;
}

/* ================= ANIMATION ================= */
@keyframes popup-in {
  from {
    transform: scale(0.92);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}