:root {
  --bg-color-start: #141e30;
  --bg-color-end: #243b55;
  --text-color: #fff;
  --card-bg-color: rgba(255, 255, 255, 0.08);
  --header-bg-color: rgba(255, 255, 255, 0.05);
  --modal-bg-color: rgba(25, 25, 25, 0.95);
  --input-bg-color: #fff;
  --input-text-color: #000;
  --gradient-start: #ff0066;
  --gradient-end: #00c6ff;
  --shadow-color: rgba(0, 0, 0, 0.5);
}

body.light-mode {
  --bg-color-start: #f2f2f2;
  --bg-color-end: #d9d9d9;
  --text-color: #333;
  --card-bg-color: rgba(255, 255, 255, 0.8);
  --header-bg-color: rgba(255, 255, 255, 0.7);
  --modal-bg-color: #fff;
  --input-bg-color: #fff;
  --input-text-color: #000;
  --shadow-color: rgba(0, 0, 0, 0.2);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: var(--text-color);
  background: radial-gradient(circle at top, var(--bg-color-start), var(--bg-color-end));
  background-size: 400% 400%;
  animation: gradientMove 15s ease infinite;
  transition: background 0.3s, color 0.3s;
}

@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: var(--header-bg-color);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 30px var(--shadow-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 1.8rem;
  font-weight: bold;
  background: linear-gradient(45deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  cursor: pointer;
}

header nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* --- CONTROLS --- */
.controls-container, .filter-sort-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  padding: 1rem 2rem;
}

.search-bar {
  display: flex;
  position: relative;
}

.search-bar input, .filter-group input, .filter-group select {
  padding: 0.7rem;
  border-radius: 5px;
  border: 1px solid var(--card-bg-color);
  background-color: var(--input-bg-color);
  color: var(--input-text-color);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.search-bar input:focus, .filter-group input:focus, .filter-group select:focus, #loginForm input:focus {
  outline: none;
  border-color: var(--gradient-end);
  box-shadow: 0 0 0 3px rgba(0, 198, 255, 0.3);
}

.search-bar input { width: 250px; }

#clearSearchBtn {
  position: absolute;
  right: 70px; /* Adjust based on search button width */
  top: 50%;
  transform: translateY(-50%);
  border: none;
  background: transparent;
  color: #999;
  cursor: pointer;
  font-size: 1.2rem;
}

/* Generic Button Style */
button {
  padding: 0.7rem 1rem;
  background: linear-gradient(45deg, var(--gradient-start), var(--gradient-end));
  border: none;
  color: #fff;
  border-radius: 5px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.3);
}

#loginForm {
  max-width: 400px;
  margin: 4rem auto;
  background: var(--card-bg-color);
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
}

#loginForm input {
  width: 90%;
  padding: 0.8rem;
  margin: 0.5rem 0;
  border: none;
  border-radius: 5px;
}

/* --- MOVIE CONTAINER & CARDS --- */
#moviesContainer.grid-view {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
  padding: 2rem;
}

#moviesContainer.list-view {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 2rem;
}

.movie-card {
  position: relative;
  background: var(--card-bg-color);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 25px var(--shadow-color);
  transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.grid-view .movie-card {
  transform-style: preserve-3d;
  cursor: pointer;
}

.grid-view .movie-card:hover {
  transform: scale(1.03);
  box-shadow: 0 15px 40px var(--shadow-color);
}

.grid-view .movie-card img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.list-view .movie-card {
  display: flex;
  align-items: center;
  cursor: default;
}

.list-view .movie-card img {
  width: 100px;
  height: 150px;
  object-fit: cover;
}

.movie-card .info {
  padding: 1rem;
  text-align: center;
  flex-grow: 1;
}

.movie-card .info h3 {
  font-size: 1.1rem;
  margin: 0.5rem 0;
  color: var(--text-color);
}

.fav-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 1.8rem;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.3s ease;
  padding: 5px;
}

.movie-card:hover .fav-btn {
  opacity: 1;
}

.fav-btn.favorited {
  color: var(--gradient-start);
  opacity: 1; /* Always visible if favorited */
}

.movie-card:hover .fav-btn {
  opacity: 1;
}

.fav-btn.favorited {
  color: var(--gradient-start);
  opacity: 1; /* Always visible if favorited */
}

/* --- MODAL --- */
.modal {
  display: none;
  position: fixed;
  z-index: 999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
}

.modal-content {
  background: var(--modal-bg-color);
  padding: 1.5rem;
  border-radius: 20px;
  max-width: 700px;
  width: 90%;
  margin: 5% auto;
  box-shadow: 0 25px 70px var(--shadow-color);
  border: 1px solid rgba(255, 255, 255, 0.1);
  animation: popUp 0.4s ease-out;
}

@keyframes popUp {
  from { transform: scale(0.8); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

#closeModal, #closeContactModal, #closeTermsModal, #closePrivacyModal {
  float: right;
  font-size: 1.5rem;
  cursor: pointer;
}

/* --- THEME SWITCH --- */
.theme-switch-wrapper { display: flex; align-items: center; }
.theme-switch { position: relative; display: inline-block; width: 50px; height: 24px; }
.theme-switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #ccc; transition: .4s; border-radius: 24px; }
.slider:before { position: absolute; content: ""; height: 18px; width: 18px; left: 3px; bottom: 3px; background-color: white; transition: .4s; border-radius: 50%; }
input:checked + .slider { background-color: var(--gradient-end); }
input:checked + .slider:before { transform: translateX(26px); }

/* --- OTHER FEATURES --- */
#backToTopBtn { position: fixed; bottom: 20px; right: 20px; z-index: 101; width: 40px; height: 40px; font-size: 1.5rem; }

#pagination { text-align: center; margin: 2rem 0; }
#pagination button, #pagination span { margin: 0 0.5rem; }

.loader { border: 5px solid #f3f3f3; border-top: 5px solid var(--gradient-start); border-radius: 50%; width: 50px; height: 50px; animation: spin 1s linear infinite; margin: 2rem auto; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.demo-credentials {
  margin-top: 1rem;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 10px;
}

.demo-credentials p {
  margin: 0.5rem 0;
  font-size: 0.9rem;
}

footer {
  text-align: center;
  padding: 1rem 0;
  margin-top: 1rem;
  background: var(--header-bg-color);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-content p {
  font-size: 0.9rem;
  margin: 0.25rem 0;
}

.footer-links {
  margin-top: 0.5rem;
}

.footer-links a {
  color: var(--text-color);
  text-decoration: none;
  font-size: 0.9rem;
  margin: 0 0.5rem;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: var(--gradient-end);
}

#contactForm input, #contactForm textarea {
  width: 100%;
  padding: 0.8rem;
  margin: 0.5rem 0;
  border: 1px solid var(--card-bg-color);
  border-radius: 5px;
  background-color: var(--input-bg-color);
  color: var(--input-text-color);
}

#contactForm textarea {
  height: 150px;
}