/* Root variables */
:root {
  --pink-light: #ff86c7;
  --pink-dark: #d6336c;
  --font-family: 'Poppins', sans-serif;
  --border-radius: 8px;
  --transition: 0.3s ease;
  --bg: #fff0f6;
}

/* Basic reset and body styling */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  font-family: var(--font-family);
  color: #4a004e;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

header {
  background: var(--pink-dark);
  color: white;
  text-align: center;
  padding: 2rem 1rem 3rem;
  position: relative;
  overflow: hidden;
}

header h1 {
  font-weight: 700;
  font-size: 2.8rem;
  margin: 0;
  letter-spacing: 0.05em;
}

header h1 span {
  font-weight: 400;
  font-size: 1.6rem;
  display: block;
  margin-top: 0.2rem;
  opacity: 0.8;
  font-style: italic;
}

header p {
  margin-top: 0.5rem;
  font-size: 1.2rem;
  font-weight: 500;
  opacity: 0.85;
}

.invite-btn {
  display: inline-block;
  margin-top: 1.5rem;
  background: white;
  color: var(--pink-dark);
  font-weight: 700;
  font-size: 1.2rem;
  padding: 0.75rem 2rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(214, 51, 108, 0.3);
  transition: background-color 0.3s ease, color 0.3s ease;
  user-select: none;
  border: 2px solid white;
}

.invite-btn:hover,
.invite-btn:focus {
  background: var(--pink-light);
  color: white;
  outline: none;
  border-color: var(--pink-light);
  cursor: pointer;
}

nav {
  background: white;
  padding: 0.5rem 1rem;
  box-shadow: 0 2px 8px rgba(214, 51, 108, 0.15);
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav ul {
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  list-style: none;
  gap: 1.8rem;
}

nav ul li a {
  text-decoration: none;
  color: var(--pink-dark);
  font-weight: 600;
  font-size: 1.1rem;
  padding: 0.4rem 0.6rem;
  border-radius: var(--border-radius);
  transition: background-color var(--transition);
}

nav ul li a:hover,
nav ul li a:focus {
  background: var(--pink-light);
  color: white;
  outline: none;
}

main {
  max-width: 900px;
  margin: 3rem auto 5rem;
  padding: 0 1rem;
}

h2 {
  font-size: 2rem;
  color: var(--pink-dark);
  border-bottom: 3px solid var(--pink-light);
  padding-bottom: 0.4rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.command {
  background: white;
  border: 2px solid var(--pink-light);
  border-radius: var(--border-radius);
  margin-bottom: 1.8rem;
  padding: 1rem 1.4rem;
  box-shadow: 0 6px 12px rgba(214, 51, 108, 0.1);
  transition: box-shadow var(--transition);
}

.command:hover {
  box-shadow: 0 8px 16px rgba(214, 51, 108, 0.25);
}

.command h3 {
  margin-top: 0;
  color: var(--pink-dark);
  font-weight: 700;
  font-size: 1.3rem;
}

.command p {
  margin: 0.5rem 0 1rem 0;
  font-size: 1rem;
  font-weight: 500;
}

pre {
  background: #ffe0f0;
  border-left: 4px solid var(--pink-dark);
  padding: 0.6rem 1rem;
  overflow-x: auto;
  font-family: 'Fira Code', monospace, monospace;
  font-size: 1rem;
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  user-select: all;
  margin: 0;
}

.copy-btn {
  background: var(--pink-dark);
  border: none;
  color: white;
  font-weight: 600;
  padding: 0.4rem 1rem;
  margin-top: 0.5rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background-color var(--transition);
  font-size: 0.9rem;
}

.copy-btn:hover,
.copy-btn:focus {
  background: var(--pink-light);
  outline: none;
}

ul {
  padding-left: 1.4rem;
  font-weight: 600;
  font-size: 1rem;
}

ol {
  padding-left: 1.4rem;
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

#support {
  max-width: 600px;
}

#login-btn, #logout-btn {
  background: var(--pink-dark);
  border: none;
  color: white;
  padding: 0.6rem 1.2rem;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  margin-bottom: 1rem;
  transition: background-color 0.3s;
}

#login-btn:hover, #logout-btn:hover,
#login-btn:focus, #logout-btn:focus {
  background: var(--pink-light);
  outline: none;
}

#support-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: white;
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 12px rgba(214, 51, 108, 0.15);
}

#support-form label {
  font-weight: 600;
  color: var(--pink-dark);
}

#support-form select,
#support-form textarea {
  border: 1.5px solid var(--pink-light);
  border-radius: var(--border-radius);
  padding: 0.6rem;
  font-family: var(--font-family);
  font-size: 1rem;
  resize: vertical;
  transition: border-color 0.3s;
}

#support-form select:focus,
#support-form textarea:focus {
  border-color: var(--pink-dark);
  outline: none;
}

#support-form textarea {
  min-height: 120px;
}

#support-form button[type="submit"] {
  align-self: flex-start;
  background: var(--pink-dark);
  color: white;
  font-weight: 700;
  border: none;
  padding: 0.6rem 1.6rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background-color 0.3s;
}

#support-form button[type="submit"]:hover,
#support-form button[type="submit"]:focus {
  background: var(--pink-light);
  outline: none;
}

#form-status {
  font-weight: 600;
  color: var(--pink-dark);
  min-height: 1.2em;
  margin-top: 0.25rem;
}

/* Fade in animation */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: none;
}

footer {
  text-align: center;
  padding: 1rem 0;
  font-weight: 600;
  color: var(--pink-dark);
  border-top: 1px solid var(--pink-light);
  user-select: none;
}