/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black: #000000;
  --white: #ffffff;
  --gray-dark: #1a1a1a;
  --gray-mid: #333333;
  --gray-light: #666666;
  --accent: #ffffff;
  --danger: #ff3333;
  --star-color: #ffffff;
  --star-empty: #333333;
}

html {
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--black);
  color: var(--white);
  min-height: 100vh;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Screen States */
.screen {
  display: none;
}

.screen.active {
  display: block;
}

/* PIN Screen */
#pin-screen {
  height: 100vh;
  display: none;
  align-items: center;
  justify-content: center;
}

#pin-screen.active {
  display: flex;
}

.pin-container {
  text-align: center;
}

.pin-container h1 {
  font-size: 4rem;
  font-weight: 900;
  letter-spacing: 0.2em;
  margin-bottom: 3rem;
}

.pin-input-wrapper {
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: center;
}

#pin-input {
  width: 140px;
  padding: 1rem;
  font-size: 1.5rem;
  text-align: center;
  background: transparent;
  border: 2px solid var(--white);
  color: var(--white);
  font-family: inherit;
  letter-spacing: 0.3em;
}

#pin-input:focus {
  outline: none;
  background: var(--gray-dark);
}

#pin-input::placeholder {
  color: var(--gray-light);
  letter-spacing: 0.2em;
}

.error-text {
  color: var(--danger);
  margin-top: 1rem;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
}

/* Buttons */
.btn-primary {
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  background: var(--white);
  color: var(--black);
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: opacity 0.2s ease;
}

.btn-primary:hover {
  opacity: 0.85;
}

.btn-secondary {
  padding: 1rem 2rem;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--black);
}

.btn-danger {
  padding: 1rem 2rem;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  background: transparent;
  color: var(--danger);
  border: 2px solid var(--danger);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s ease;
}

.btn-danger:hover {
  background: var(--danger);
  color: var(--white);
}

.btn-icon {
  width: 50px;
  height: 50px;
  font-size: 2rem;
  font-weight: 300;
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  background: var(--white);
  color: var(--black);
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 3rem;
  border-bottom: 1px solid var(--gray-mid);
}

.logo {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 0.3em;
}

/* Tabs */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--gray-mid);
}

.tab {
  flex: 1;
  padding: 1.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  background: transparent;
  color: var(--gray-light);
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s ease;
  position: relative;
}

.tab:hover {
  color: var(--white);
}

.tab.active {
  color: var(--white);
}

.tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--white);
}

/* Sort Controls */
.sort-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 3rem;
  border-bottom: 1px solid var(--gray-mid);
}

.sort-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--gray-light);
}

.sort-btn {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  background: transparent;
  color: var(--gray-light);
  border: none;
  cursor: pointer;
  font-family: inherit;
  padding: 0.5rem 0.75rem;
  transition: color 0.2s ease;
}

.sort-btn:hover {
  color: var(--white);
}

.sort-btn.active {
  color: var(--white);
  background: var(--gray-mid);
}

/* Movie Grid */
.movie-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 2rem;
  padding: 3rem;
}

/* Movie Card */
.movie-card {
  cursor: pointer;
  transition: transform 0.2s ease;
}

.movie-card:hover {
  transform: scale(1.03);
}

.movie-poster {
  aspect-ratio: 2/3;
  background: var(--gray-dark);
  overflow: hidden;
  margin-bottom: 1rem;
}

.movie-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.movie-poster.no-poster {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gray-mid);
}

.movie-poster.no-poster::after {
  content: 'NO POSTER';
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  color: var(--gray-light);
}

.movie-title {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  line-height: 1.3;
  margin-bottom: 0.25rem;
}

.movie-year {
  font-size: 0.75rem;
  color: var(--gray-light);
  letter-spacing: 0.1em;
}

.movie-rating {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--star-color);
  letter-spacing: 0.1em;
}

/* Empty State */
.empty-state {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 50vh;
  gap: 2rem;
}

.empty-state.active {
  display: flex;
}

.empty-state p {
  font-size: 1rem;
  letter-spacing: 0.3em;
  color: var(--gray-light);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 1000;
  overflow-y: auto;
  padding: 2rem;
}

.modal.active {
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.modal-content {
  background: var(--black);
  border: 1px solid var(--gray-mid);
  width: 100%;
  max-width: 600px;
  position: relative;
  margin-top: 5vh;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--gray-mid);
}

.modal-header h2 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.modal-close {
  font-size: 2rem;
  background: none;
  border: none;
  color: var(--white);
  cursor: pointer;
  line-height: 1;
  padding: 0;
  transition: opacity 0.2s ease;
}

.modal-close:hover {
  opacity: 0.6;
}

/* Search */
.search-wrapper {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--gray-mid);
}

#search-input {
  width: 100%;
  padding: 1rem;
  font-size: 1rem;
  background: var(--gray-dark);
  border: none;
  color: var(--white);
  font-family: inherit;
  letter-spacing: 0.1em;
}

#search-input:focus {
  outline: 2px solid var(--white);
  outline-offset: -2px;
}

#search-input::placeholder {
  color: var(--gray-light);
}

.search-results {
  max-height: 60vh;
  overflow-y: auto;
}

.search-result {
  display: flex;
  gap: 1rem;
  padding: 1rem 2rem;
  cursor: pointer;
  transition: background 0.2s ease;
  border-bottom: 1px solid var(--gray-dark);
}

.search-result:hover {
  background: var(--gray-dark);
}

.search-result-poster {
  width: 60px;
  height: 90px;
  flex-shrink: 0;
  background: var(--gray-mid);
  overflow: hidden;
}

.search-result-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.search-result-info {
  flex: 1;
  min-width: 0;
}

.search-result-title {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.search-result-year {
  font-size: 0.75rem;
  color: var(--gray-light);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.search-result-synopsis {
  font-size: 0.75rem;
  color: var(--gray-light);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.search-loading,
.search-empty {
  padding: 3rem;
  text-align: center;
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  color: var(--gray-light);
}

/* Detail Modal */
.detail-content {
  max-width: 900px;
}

.detail-content .modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 10;
}

.detail-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
}

.detail-poster {
  aspect-ratio: 2/3;
  background: var(--gray-dark);
  overflow: hidden;
}

.detail-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-info {
  padding: 2rem 2rem 2rem 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.detail-title-input {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--gray-mid);
  color: var(--white);
  font-family: inherit;
  padding: 0.5rem 0;
  width: 100%;
}

.detail-title-input:focus {
  outline: none;
  border-bottom-color: var(--white);
}

.detail-year-input {
  font-size: 1rem;
  letter-spacing: 0.15em;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--gray-mid);
  color: var(--gray-light);
  font-family: inherit;
  padding: 0.5rem 0;
  width: 100px;
}

.detail-year-input:focus {
  outline: none;
  border-bottom-color: var(--white);
  color: var(--white);
}

.detail-synopsis-input {
  font-size: 0.875rem;
  line-height: 1.6;
  background: transparent;
  border: 1px solid var(--gray-mid);
  color: var(--gray-light);
  font-family: inherit;
  padding: 1rem;
  min-height: 100px;
  resize: vertical;
}

.detail-synopsis-input:focus {
  outline: none;
  border-color: var(--white);
  color: var(--white);
}

.detail-status {
  display: flex;
  gap: 1rem;
}

.status-btn {
  flex: 1;
  padding: 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  background: transparent;
  color: var(--gray-light);
  border: 1px solid var(--gray-mid);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s ease;
}

.status-btn:hover {
  border-color: var(--white);
  color: var(--white);
}

.status-btn.active {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.watched-fields {
  display: none;
  flex-direction: column;
  gap: 1.5rem;
}

.watched-fields.active {
  display: flex;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.field-group label {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gray-light);
}

.field-group input[type="date"] {
  font-size: 0.875rem;
  background: transparent;
  border: 1px solid var(--gray-mid);
  color: var(--white);
  font-family: inherit;
  padding: 0.75rem;
}

.field-group input[type="date"]:focus {
  outline: none;
  border-color: var(--white);
}

.field-group textarea {
  font-size: 0.875rem;
  line-height: 1.6;
  background: transparent;
  border: 1px solid var(--gray-mid);
  color: var(--white);
  font-family: inherit;
  padding: 1rem;
  min-height: 80px;
  resize: vertical;
}

.field-group textarea:focus {
  outline: none;
  border-color: var(--white);
}

/* Star Rating */
.star-rating {
  display: flex;
  gap: 0.5rem;
}

.star {
  font-size: 1.5rem;
  color: var(--star-empty);
  cursor: pointer;
  transition: color 0.2s ease;
}

.star:hover,
.star.active {
  color: var(--star-color);
}

.star-rating:hover .star {
  color: var(--star-empty);
}

.star-rating:hover .star:hover,
.star-rating:hover .star:hover ~ .star {
  color: var(--star-empty);
}

.star-rating .star:hover,
.star-rating .star:hover ~ .star {
  color: var(--star-empty);
}

.star-rating:hover .star:hover,
.star-rating:hover .star.hovered {
  color: var(--star-color);
}

.detail-actions {
  display: flex;
  gap: 1rem;
  margin-top: auto;
  padding-top: 1rem;
}

.detail-actions .btn-primary {
  flex: 2;
}

.detail-actions .btn-danger {
  flex: 1;
}

/* Responsive */
@media (max-width: 768px) {
  header {
    padding: 1.5rem;
  }

  .logo {
    font-size: 1rem;
  }

  .btn-icon {
    width: 40px;
    height: 40px;
    font-size: 1.5rem;
  }

  .sort-controls {
    padding: 1rem 1.5rem;
    flex-wrap: wrap;
  }

  .movie-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1.5rem;
    padding: 1.5rem;
  }

  .modal {
    padding: 0;
  }

  .modal-content {
    max-width: 100%;
    min-height: 100vh;
    margin-top: 0;
    border: none;
  }

  .detail-layout {
    grid-template-columns: 1fr;
  }

  .detail-poster {
    max-height: 50vh;
  }

  .detail-info {
    padding: 1.5rem;
  }

  .pin-container h1 {
    font-size: 2.5rem;
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--black);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-mid);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-light);
}

/* Loading State */
.loading {
  opacity: 0.5;
  pointer-events: none;
}