/* ========================================
   image-analyzer.css — Image Analyzer Styles
   ======================================== */

/* ========== Container ========== */
.header__container,
.analyzer__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 40px;
}

/* ========== Header ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1000;
  border-bottom: 1px solid var(--border);
  transition: all var(--transition-base);
}

.header__container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  display: inline-flex;
  align-items: center;
  gap: 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}

.header__logo-img {
  width: 32px;
  height: 32px;
  margin: 0;
  object-fit: contain;
}

.header__nav {
  display: flex;
  gap: 40px;
}

.header__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.header__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition-base);
}

.header__link:hover {
  color: var(--text-primary);
}

.header__link:hover::after {
  width: 100%;
}

.header__link--active {
  color: var(--accent);
}

.header__link--active::after {
  width: 100%;
}

.header__menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 28px;
  cursor: pointer;
}

.header__menu-toggle span {
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-base);
}

.header__menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.header__menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.header__menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ========== Mobile Menu ========== */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--bg-primary);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  gap: 32px;
  text-align: center;
}

.mobile-menu__link {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.mobile-menu__link:hover {
  color: var(--accent);
}

/* ========== Analyzer Main ========== */
.analyzer {
  min-height: 100vh;
  padding-top: calc(var(--header-height) + 80px);
  padding-bottom: 80px;
}

.analyzer__container {
  max-width: 800px;
}

.analyzer__header {
  text-align: center;
  margin-bottom: 64px;
}

.analyzer__title {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.analyzer__subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

/* ========== Upload Area ========== */
.upload-area {
  border: 2px dashed var(--border);
  border-radius: 16px;
  padding: 80px 40px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  background: var(--bg-tertiary);
}

.upload-area:hover {
  border-color: var(--accent);
  background: var(--bg-secondary);
}

.upload-area.dragover {
  border-color: var(--accent);
  background: rgba(102, 126, 234, 0.1);
}

.upload-area__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  color: var(--text-secondary);
}

.upload-area__text {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.upload-area__hint {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ========== Image Preview ========== */
.image-preview {
  position: relative;
  margin-bottom: 32px;
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-tertiary);
}

.image-preview img {
  width: 100%;
  height: auto;
  display: block;
  max-height: 500px;
  object-fit: contain;
}

.image-preview__remove {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 10px 20px;
  background: rgba(0, 0, 0, 0.8);
  color: var(--text-primary);
  border: none;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.image-preview__remove:hover {
  background: rgba(239, 68, 68, 0.9);
}

/* ========== Controls ========== */
.controls {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 48px;
  padding: 24px;
  background: var(--bg-tertiary);
  border-radius: 12px;
  border: 1px solid var(--border);
}

.controls__slider {
  width: 100%;
}

.controls__label {
  display: block;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.controls__label span {
  color: var(--accent);
}

.controls__slider input[type="range"] {
  width: 100%;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--bg-secondary);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

.controls__slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.controls__slider input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

.controls__slider input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

.controls__slider-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.controls__extract-btn {
  padding: 16px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: #FFFFFF;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  width: 100%;
}

.controls__extract-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(102, 126, 234, 0.4);
}

.btn--primary {
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: #FFFFFF;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(102, 126, 234, 0.4);
}

/* ========== Palette ========== */
.palette {
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.palette__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.palette__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.palette__color {
  aspect-ratio: 1;
  border-radius: 12px;
  cursor: pointer;
  transition: background-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 12px;
  overflow: hidden;
}

.palette__color:hover {
  transform: translateY(-8px) scale(1.05);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.palette__info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.palette__hex {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
  background: rgba(0, 0, 0, 0.5);
  padding: 4px 8px;
  border-radius: 4px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.palette__percent {
  display: none;
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .palette__grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

@media (max-width: 768px) {
  .header__nav {
    display: none;
  }

  .header__menu-toggle {
    display: flex;
  }

  .analyzer__title {
    font-size: 2rem;
  }

  .palette__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .header__container,
  .analyzer__container {
    padding: 0 24px;
  }
}

@media (max-width: 480px) {
  .analyzer__title {
    font-size: 1.75rem;
  }

  .upload-area {
    padding: 32px 16px;
  }

  .upload-area__icon {
    width: 48px;
    height: 48px;
  }

  .palette__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}