@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&display=swap');

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

:root {
  --netflix-black: #141414;
  --netflix-red: #e50914;
  --netflix-white: #ffffff;
  --netflix-gray: #b3b3b3;
  --shadow: rgba(0, 0, 0, 0.75);
}

html.light-mode {
  --netflix-black: #f5f5f5;
  --netflix-white: #1a1a1a;
  --netflix-gray: #4a4a4a;
  --shadow: rgba(0, 0, 0, 0.15);
}

.logo {
  width: 92px;
  margin-right: 25px;
  cursor: pointer;
}

body {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  background-color: var(--netflix-black);
  color: var(--netflix-white);
  min-height: 100vh;
  line-height: 1.4;
  overflow-x: hidden;
  margin: 0;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.page-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.profile-selection {
  padding: 100px 40px 30px;
  min-height: auto;
  overflow: visible;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 40px;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: background-color 0.3s ease, border-color 0.3s ease;
  will-change: background-color, border-color;
}

.navbar-left,
.topbar-right {
  display: flex;
  align-items: center;
}

.navbar-left {
  gap: 12px;
}

.topbar-right {
  gap: 10px;
}

html.light-mode .topbar {
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-link img {
  width: 92px;
}

.topbar-right {
  display: flex;
  gap: 10px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
  color: var(--netflix-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.2s ease;
}

.icon-btn:hover {
  border-color: var(--netflix-red);
  background: rgba(255, 255, 255, 0.2);
}

.theme-toggle {
  font-size: 18px;
}

.profile-selection h1 {
  font-family: 'Bebas Neue', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 3.5rem;
  font-weight: 400;
  margin-bottom: 30px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--netflix-white);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.45);
  transition: color 0.3s ease, text-shadow 0.3s ease;
  will-change: color, text-shadow;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

section {
  padding: 20px;
  border: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.profiles {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.profile button {
  all: unset;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  border-radius: 8px;
  padding: 8px;
  transition: all 0.3s ease;
  border: 3px solid transparent;
}

html.light-mode .profile button {
  background: transparent;
  transition: background 0.3s ease;
}

.profile button:hover,
.profile button:focus-visible {
  transform: scale(1.05);
}

.profile button:focus-visible {
  outline: 2px solid var(--netflix-red);
  outline-offset: 4px;
}

.profile img {
  width: 140px;
  height: 140px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  transition: transform 0.3s ease, border 0.3s ease, box-shadow 0.3s ease;
  will-change: box-shadow;
}

.profile button:hover img {
  transform: scale(1.1);
}

figcaption {
  margin-top: 12px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--netflix-white);
  text-align: center;
  transition: color 0.3s ease;
  will-change: color;
}

.manage-profiles {
  margin-top: 40px;
}

.manage-profiles button {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: var(--netflix-gray);
  padding: 12px 24px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.manage-profiles button:hover {
  border-color: var(--netflix-white);
  color: var(--netflix-white);
}

html.light-mode .manage-profiles button {
  border: 1px solid rgba(0, 0, 0, 0.3);
  color: #4a4a4a;
}

html.light-mode .manage-profiles button:hover {
  border-color: var(--netflix-white);
  color: var(--netflix-white);
}

@media (max-width: 768px) {
  .topbar {
    padding: 15px 20px;
  }

  .profile-selection {
    padding: 120px 20px 40px;
  }

  .profile-selection h1 {
    font-size: 2.5rem;
    margin-bottom: 30px;
  }

  .profiles {
    gap: 15px;
  }

  .profile img {
    width: 120px;
    height: 120px;
  }
}

@media (max-width: 480px) {
  .profile-selection h1 {
    font-size: 2rem;
  }

  .profiles {
    gap: 10px;
  }

  .profile img {
    width: 100px;
    height: 100px;
  }

  .topbar {
    padding: 10px 15px;
  }

  .brand {
    font-size: 1.5rem;
  }
}

/* Light mode additional styles */
html.light-mode {
  background-color: #f5f5f5;
}

html.light-mode .page-wrap {
  background-image: radial-gradient(circle at 20% -10%, rgba(0, 0, 0, 0.03), transparent 38%),
    linear-gradient(180deg, #f0f0f0 0%, #fafafa 35%, #ffffff 100%);
}

html.light-mode .profile-selection h1 {
  color: #1a1a1a;
  text-shadow: none;
}

html.light-mode .profile img {
  box-shadow: none;
}

html.light-mode .profile button:hover,
html.light-mode .profile button:focus-visible {
  transform: scale(1.05);
  box-shadow: none;
}

html.light-mode section {
  background: transparent;
  border: 1px solid transparent;
}

html.light-mode .icon-btn {
  border: 1px solid rgba(0, 0, 0, 0.2);
  background: rgba(0, 0, 0, 0.05);
  color: #1a1a1a;
}

html.light-mode .icon-btn:hover {
  background: none;
}