:root {
  --primary: hsl(243, 75%, 59%);
  --bg: hsl(210, 40%, 98%);
  --text: hsl(0, 0%, 100%);
  --text-muted: hsla(0, 0%, 100%, 0.7);
  --card-bg: hsla(0, 0%, 100%, 0.1);
  --card-bg-info: hsla(54, 100%, 50%, 0.1);
  --border: hsla(0, 0%, 100%, 0.2);
  --success: hsl(110, 68%, 45%);
  --info: hsl(54, 100%, 50%);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-image: url("https://res.cloudinary.com/diwkfbsgv/image/upload/a_-90/bg_i94xvs.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

.bg-blur {
  min-height: 100vh;
  backdrop-filter: blur(54px);
  background: hsla(0, 0%, 0%, 0.5);
}

.card-bg {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 8px 32px 0 hsla(0, 0%, 0%, 0.37);
  padding: 32px;
}

.hidden {
  display: none;
}

.fade-el {
  opacity: 0;
  transition: all 0.4s ease-in-out;
}

.fade-el.show {
  opacity: 1;
}

.message {
  text-align: center;
}

.message.info {
  text-align: center;
  background: var(--card-bg-info);
  border: 1px solid var(--info);
}

nav {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
}

#root-container {
  max-width: 1000px;
  min-height: 100vh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 32px;
}

/* Search Area */
#search-form {
  flex-grow: 1;
  display: flex;
  gap: 16px;
}

#search-input {
  flex-grow: 1;
  padding: 12px 16px;
  border: 1px solid var(--border);
  background: hsla(0, 0%, 100%, 0.05);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  font-size: 16px;
  outline: none;
  color: var(--text);
}

#search-input::placeholder {
  color: hsla(0, 0%, 100%, 0.6);
}

#search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px hsla(0, 0%, 100%, 0.1);
}

#search-btn {
  background-color: var(--primary);
  color: var(--text);
  padding: 12px 24px;
  border: none;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.4s ease-in-out;
}

#search-btn:hover {
  opacity: 0.9;
}

#search-btn.success {
  background-color: var(--success);
}

#search-btn.info {
  background-color: var(--info);
}

/* Result Area */
#display-area {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow: hidden;
}

#content-container {
  display: flex;
  gap: 16px;
}

/* main content */
#main-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

#main-content h2 {
  font-size: 40px;
  text-transform: capitalize;
}

#content-title {
  display: flex;
  gap: 12px;
}

#content-title p {
  color: var(--text-muted);
}

#phonetics-container {
  display: flex;
  gap: 12px;
  align-items: center;
}

#phonetics-container p {
  color: var(--text-muted);
}

#definitions-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#definitions-container>p:nth-child(1) {
  font-style: italic;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
}

/* secondary content */
#secondary-content {
  min-width: 350px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

#secondary-content h3 {
  margin-bottom: 12px;
}

#secondary-content p {
  color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 768px) {
  #root-container {
    padding: 16px;
  }

  body {
    min-height: 100svh;
  }

  .bg-blur {
    min-height: 100svh;
  }

  nav {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 16px;
    align-items: center;
  }

  #search-form {
    width: 100%;
  }

  #content-container {
    flex-direction: column;
  }

  #phonetics-container {
    flex-direction: column;
    align-items: flex-start;
  }

  #secondary-content {
    min-width: 100%;
  }

  #main-content h2 {
    font-size: 32px;
  }

  .card-bg {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  #search-form {
    flex-direction: column;
  }

  #search-btn {
    width: 100%;
  }
}