* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: Arial;
  overflow-x: hidden;
  background: linear-gradient(135deg, #050816 0%, #0a1025 45%, #071a1c 100%);
}

.chat-input-container {
  display: flex;
  align-items: center;
  width: 100%;
  margin-bottom: 20px;
}

.chat-send-button {
  background: linear-gradient(135deg, #00e5ff, #39ff88);
  color: #03100b;
  padding: 15px 20px;
  margin-left: 10px;
  border: none;
  font-size: 16px;
  border-radius: 15px;
  cursor: pointer;
  box-sizing: border-box;
}

.chat-input {
  min-width: 0;
  padding: 15px 20px;
  font-size: 16px;
  border-radius: 15px;
  border: 1px solid rgba(0, 229, 255, 0.25);
  flex-grow: 1;
  background-color: #0a1020;
  color: #f5f7fa;
  box-sizing: border-box;
}

.chat-send-button:hover {
  background: linear-gradient(135deg, #39ff88, #00e5ff);
}

.chat-main-container {
  width: min(800px, calc(100% - 32px));
  max-width: 800px;
  margin-top: 24px;
  margin-left: auto;
  margin-right: auto;
  height: calc(100dvh - 140px);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.robot-message {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
}

.user-message {
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
}

.chat-text {
  overflow-wrap: anywhere;
  background-color: #0d1526;
  color: #f5f7fa;
  padding: 10px 15px;
  border-radius: 15px;
  max-width: 60%;
  margin-bottom: 10px;
  border: 1px solid rgba(0, 229, 255, 0.12);
}

.chat-icon {
  width: 50px;
  height: 50px;
  margin-right: 10px;
  margin-left: 10px;
}

.loader {
  width: 20px;
  height: 20px;
  border: 4px solid #162333;
  border-top: 4px solid #00e5ff;
  border-right: 4px solid #39ff88;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.chat-message-spread {
  flex-grow: 1;
  min-height: 0;
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  margin-bottom: 20px;
}

.chat-message-spread::-webkit-scrollbar {
  display: none;
}

.navbar {
  position: sticky;
  top: 0;

  z-index: 100;

  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 30px;
  background: rgba(10, 16, 32, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0, 229, 255, 0.15);
}

.navbar-title {
  display: flex;
  flex-direction: column;
  color: #f5f7fa;
}

.navbar-name {
  font-size: 18px;
  font-weight: bold;
  background: linear-gradient(135deg, #00e5ff, #39ff88);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.navbar-sub {
  font-size: 12px;
  color: #9fb0c3;
  margin-top: 2px;
}

.navbar-links {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #f5f7fa;
  text-decoration: none;
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 10px;
  border: 1px solid rgba(0, 229, 255, 0.25);
  background-color: #0d1526;
  transition: all 0.2s ease;
}

.nav-link:hover {
  border-color: #39ff88;
  color: #39ff88;
}

.jhagit-blink-wrap {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 6px 30px 0;
}

.jhagit-blink {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #03100b;
  background: linear-gradient(135deg, #00e5ff, #39ff88);
  padding: 6px 16px;
  border-radius: 20px;
  text-decoration: none;
  font-size: 13px;
  font-weight: bold;
  animation: blink-fade 1.4s ease-in-out infinite;
}

@keyframes blink-fade {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

/* ---- Tablet (≤768px) ---- */
@media (max-width: 768px) {
  .navbar {
    padding: 12px 20px;
    gap: 10px;
  }

  .navbar-links {
    gap: 10px;
  }

  .nav-link {
    font-size: 13px;
    padding: 6px 10px;
  }

  .jhagit-blink-wrap {
    padding: 6px 20px 0;
  }

  .chat-main-container {
    width: calc(100% - 24px);
    height: calc(100dvh - 160px);
    margin-top: 20px;
  }

  .chat-text {
    max-width: 70%;
  }

  .chat-icon {
    width: 44px;
    height: 44px;
  }
}

/* ---- Mobile (≤600px) ---- */
@media (max-width: 600px) {
  .navbar {
    padding: 12px 16px;
    justify-content: center;
    text-align: center;
  }

  .navbar-title {
    align-items: center;
    width: 100%;
  }

  .navbar-sub {
    max-width: 320px;
    line-height: 1.4;
  }

  .navbar-links {
    justify-content: center;
    gap: 8px;
    width: 100%;
  }

  .nav-link {
    font-size: 13px;
    padding: 6px 9px;
  }

  .jhagit-blink-wrap {
    padding: 6px 16px 0;
  }

  .jhagit-blink {
    max-width: 100%;
    text-align: center;
    line-height: 1.4;
    font-size: 12px;
  }

  .chat-main-container {
    width: calc(100% - 20px);
    height: calc(100dvh - 200px);
    margin-top: 16px;
  }

  .chat-input-container {
    margin-bottom: 12px;
  }

  .chat-input {
    padding: 12px;
    font-size: 14px;
  }

  .chat-send-button {
    padding: 12px 14px;
    font-size: 14px;
  }

  .chat-text {
    max-width: 78%;
    padding: 9px 12px;
    font-size: 14px;
  }

  .chat-icon {
    width: 38px;
    height: 38px;
    margin-right: 6px;
    margin-left: 6px;
  }

  .chat-message-spread {
    margin-bottom: 12px;
  }
}

/* ---- Ultra-small (≤360px) ---- */
@media (max-width: 360px) {
  .navbar {
    padding: 10px 10px;
  }

  .navbar-name {
    font-size: 16px;
  }

  .navbar-sub {
    font-size: 11px;
    max-width: 260px;
  }

  .nav-link {
    font-size: 12px;
    padding: 5px 7px;
    border-radius: 8px;
  }

  .jhagit-blink {
    font-size: 11px;
    padding: 5px 12px;
  }

  .chat-main-container {
    width: calc(100% - 12px);
    height: calc(100dvh - 220px);
    margin-top: 12px;
  }

  .chat-input {
    padding: 10px;
    font-size: 13px;
    border-radius: 10px;
  }

  .chat-send-button {
    padding: 10px 12px;
    font-size: 13px;
    border-radius: 10px;
    margin-left: 6px;
  }

  .chat-text {
    max-width: 85%;
    padding: 8px 10px;
    font-size: 13px;
    border-radius: 10px;
  }

  .chat-icon {
    width: 32px;
    height: 32px;
    margin-right: 4px;
    margin-left: 4px;
  }
}