.gradient-primary { background: linear-gradient(135deg, #6366f1, #8b5cf6); }
.gradient-vip { background: linear-gradient(135deg, #f59e0b, #ef4444, #ec4899); }

.tool-active {
  background: linear-gradient(135deg, #6366f1, #8b5cf6) !important;
  color: #ffffff !important;
  border: 1px solid #6366f1 !important;
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.28) !important;
}

.card {
  background: #ffffff;
  border-radius: 1rem;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
}

@media (min-width: 768px) {
  .card { padding: 2rem; }
}

.dark .card { background: #1f2937; }

.btn {
  padding: 0.625rem 1.25rem;
  border-radius: 0.75rem;
  font-weight: 500;
  transition: all 0.2s;
}

.btn:hover { opacity: 0.95; }

.btn-primary {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #ffffff;
}

.btn-vip {
  background: linear-gradient(135deg, #f59e0b, #ef4444, #ec4899);
  color: #ffffff;
  box-shadow: 0 10px 15px -3px rgba(236, 72, 153, 0.2), 0 4px 6px -4px rgba(236, 72, 153, 0.2);
}

.btn-secondary {
  background: #f3f4f6;
  color: #1f2937;
}

.dark .btn-secondary {
  background: #1f2937;
  color: #e5e7eb;
}

.hero-highlight {
  background: linear-gradient(135deg, #4f46e5 0%, #0f766e 45%, #ea580c 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 600;
}

.hero-subtle {
  color: #6b7280;
}

.main-nav-grid {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 768px) {
  .main-nav-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .main-nav-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

.main-nav-card {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  width: 100%;
  min-height: 104px;
  height: 100%;
  text-align: left;
  padding: 0.9rem 0.95rem;
  border-radius: 1rem;
  border: 1px solid #e5e7eb;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.main-nav-card:hover {
  transform: translateY(-1px);
  border-color: #c7d2fe;
  box-shadow: 0 12px 28px rgba(79, 70, 229, 0.12);
}

.main-nav-card.is-active {
  border-color: #6366f1;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.14), rgba(139, 92, 246, 0.12));
  box-shadow: 0 16px 30px rgba(99, 102, 241, 0.16);
}

.main-nav-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.45rem;
  height: 2.45rem;
  border-radius: 0.85rem;
  color: #4f46e5;
  background: #eef2ff;
  flex-shrink: 0;
}

.main-nav-card.is-active .main-nav-icon {
  color: #ffffff;
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
}

.main-nav-copy {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
  flex: 1;
}

.main-nav-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #111827;
}

.main-nav-desc {
  font-size: 0.75rem;
  line-height: 1.4;
  color: #6b7280;
  display: -webkit-box;
  line-clamp: 2;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.adv-badge-cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.adv-mini-badge {
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  font-size: 0.72rem;
  color: #4f46e5;
  border: 1px solid #c7d2fe;
  background: #eef2ff;
}

.adv-category-grid {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.adv-category-btn {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  text-align: left;
  padding: 1rem;
  border-radius: 1rem;
  border: 1px solid #e5e7eb;
  background: rgba(255, 255, 255, 0.82);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.adv-category-btn:hover {
  transform: translateY(-1px);
  border-color: #cbd5e1;
}

.adv-category-btn.is-active {
  border-color: #6366f1;
  box-shadow: 0 14px 28px rgba(99, 102, 241, 0.12);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(255, 255, 255, 0.92));
}

.adv-category-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.85rem;
  background: #f5f3ff;
  color: #6d28d9;
  flex-shrink: 0;
}

.adv-category-title {
  display: block;
  font-weight: 700;
  color: #111827;
}

.adv-category-desc {
  display: block;
  font-size: 0.78rem;
  line-height: 1.45;
  color: #6b7280;
  margin-top: 0.2rem;
}

.adv-feature-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  text-align: left;
  padding: 0.95rem;
  border-radius: 1rem;
  border: 1px solid #e5e7eb;
  background: #ffffff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.adv-feature-card:hover {
  transform: translateY(-1px);
  border-color: #c7d2fe;
  box-shadow: 0 10px 24px rgba(99, 102, 241, 0.08);
}

.adv-feature-card.is-active {
  border-color: #6366f1;
  background: linear-gradient(135deg, #eef2ff, #ffffff);
  box-shadow: 0 14px 28px rgba(99, 102, 241, 0.12);
}

.adv-feature-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: #111827;
}

.adv-feature-text {
  font-size: 0.78rem;
  line-height: 1.5;
  color: #6b7280;
}

.info-btn-full-main {
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  color: #ffffff;
  border: 1px solid transparent;
  box-shadow: 0 8px 16px rgba(79, 70, 229, 0.18);
}

.info-btn-full-main:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 18px rgba(79, 70, 229, 0.24);
}

.info-btn-full-sub {
  background: #eef2ff;
  color: #3730a3;
  border: 1px solid #c7d2fe;
}

.info-btn-full-sub:hover {
  background: #e0e7ff;
}

.info-btn-safe-main {
  background: linear-gradient(135deg, #059669, #10b981);
  color: #ffffff;
  border: 1px solid transparent;
  box-shadow: 0 8px 16px rgba(5, 150, 105, 0.16);
}

.info-btn-safe-main:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 18px rgba(5, 150, 105, 0.22);
}

.info-btn-safe-sub {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.info-btn-safe-sub:hover {
  background: #d1fae5;
}

.dark .info-btn-full-sub {
  background: #312e81;
  color: #e0e7ff;
  border-color: #4338ca;
}

.dark .info-btn-full-sub:hover {
  background: #3730a3;
}

.dark .info-btn-safe-sub {
  background: #064e3b;
  color: #d1fae5;
  border-color: #047857;
}

.dark .info-btn-safe-sub:hover {
  background: #065f46;
}

.dark .main-nav-card,
.dark .adv-category-btn,
.dark .adv-feature-card {
  background: rgba(17, 24, 39, 0.7);
  border-color: #374151;
}

.dark .main-nav-card:hover,
.dark .adv-category-btn:hover,
.dark .adv-feature-card:hover {
  border-color: #4f46e5;
}

.dark .main-nav-card.is-active,
.dark .adv-category-btn.is-active,
.dark .adv-feature-card.is-active {
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.28), rgba(17, 24, 39, 0.88));
}

.dark .main-nav-title,
.dark .adv-category-title,
.dark .adv-feature-name {
  color: #f9fafb;
}

.dark .main-nav-desc,
.dark .adv-category-desc,
.dark .adv-feature-text {
  color: #9ca3af;
}

.dark .main-nav-icon {
  background: rgba(79, 70, 229, 0.22);
  color: #c4b5fd;
}

.dark .hero-subtle {
  color: #9ca3af;
}

.dark .adv-category-icon {
  background: rgba(91, 33, 182, 0.25);
  color: #ddd6fe;
}

.dark .adv-mini-badge {
  background: rgba(79, 70, 229, 0.14);
  border-color: rgba(129, 140, 248, 0.35);
  color: #c7d2fe;
}

.upload-box {
  border: 2px dashed #d1d5db;
  border-radius: 0.75rem;
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}

.dark .upload-box { border-color: #4b5563; }
.upload-box:hover { border-color: #6366f1; }

#upload_edit_area.has-image { cursor: default; }
#upload_edit_area.has-image:hover {
  border-color: #d1d5db !important;
  background-color: transparent !important;
}

.dark #upload_edit_area.has-image:hover { border-color: #4b5563 !important; }

.crop-aspect-wrap {
  min-width: 118px;
}

.crop-aspect-native {
  position: absolute;
  left: 0;
  top: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.crop-aspect-trigger {
  width: 100%;
  min-width: 160px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-align: left;
  padding: 0.38rem 1.85rem 0.38rem 0.65rem;
  border-radius: 0.75rem;
  border: 1px solid #93c5fd;
  background: linear-gradient(135deg, #eff6ff, #ffffff);
  color: #1e3a8a;
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.crop-aspect-trigger:hover {
  border-color: #60a5fa;
}

.crop-aspect-trigger:focus {
  outline: none;
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.16);
}

.crop-aspect-menu {
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  z-index: 45;
  width: 100%;
  min-width: 180px;
  max-height: 208px;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0.3rem;
  border-radius: 0.8rem;
  border: 1px solid #93c5fd;
  background: #ffffff;
  box-shadow: 0 14px 30px rgba(30, 58, 138, 0.16);
}

.crop-aspect-option {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.55rem;
  border: 0;
  background: transparent;
  border-radius: 0.55rem;
  padding: 0.42rem 0.45rem;
  color: #1e3a8a;
  font-size: 0.77rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}

.crop-aspect-option-text {
  flex: 1;
  text-align: left;
}

.crop-aspect-option:hover {
  background: #dbeafe;
}

.crop-aspect-option.is-active {
  background: #c7d2fe;
  color: #312e81;
}

.crop-aspect-check {
  opacity: 0;
  color: #4338ca;
  font-size: 0.74rem;
  transition: opacity 0.15s ease;
}

.crop-aspect-option.is-active .crop-aspect-check {
  opacity: 1;
}

.crop-aspect-icon {
  display: inline-block;
  border: 2px solid currentColor;
  border-radius: 0.18rem;
  flex: 0 0 1.06rem;
  min-width: 1.06rem;
  opacity: 0.86;
}

.crop-aspect-icon.is-free {
  width: 0.92rem;
  height: 0.72rem;
  border-style: dashed;
}

.crop-aspect-icon.is-11 {
  width: 0.78rem;
  height: 0.78rem;
}

.crop-aspect-icon.is-43 {
  width: 0.96rem;
  height: 0.72rem;
}

.crop-aspect-icon.is-34 {
  width: 0.72rem;
  height: 0.96rem;
}

.crop-aspect-icon.is-169 {
  width: 1.06rem;
  height: 0.6rem;
}

.crop-aspect-icon.is-916 {
  width: 0.6rem;
  height: 1.06rem;
}

.crop-aspect-caret {
  position: absolute;
  right: 0.62rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.82rem;
  color: #4f46e5;
  pointer-events: none;
}

.dark .crop-aspect-trigger {
  border-color: rgba(129, 140, 248, 0.38);
  background: linear-gradient(135deg, rgba(55, 65, 81, 0.96), rgba(17, 24, 39, 0.98));
  color: #e0e7ff;
}

.dark .crop-aspect-trigger:hover {
  border-color: rgba(129, 140, 248, 0.66);
}

.dark .crop-aspect-menu {
  border-color: rgba(129, 140, 248, 0.44);
  background: rgba(17, 24, 39, 0.98);
  box-shadow: 0 14px 34px rgba(2, 6, 23, 0.55);
}

.dark .crop-aspect-option {
  color: #dbeafe;
}

.dark .crop-aspect-option:hover {
  background: rgba(55, 65, 81, 0.92);
}

.dark .crop-aspect-option.is-active {
  background: rgba(67, 56, 202, 0.42);
  color: #e0e7ff;
}

.dark .crop-aspect-check {
  color: #c7d2fe;
}

.dark .crop-aspect-caret {
  color: #a5b4fc;
}

#upload_info_area.has-image { cursor: default; }
#upload_info_area.has-image:hover {
  border-color: #d1d5db !important;
  background-color: transparent !important;
}

.dark #upload_info_area.has-image:hover { border-color: #4b5563 !important; }

.btn-guide-pulse {
  animation: btn-guide-pulse 1.9s ease-in-out infinite;
  box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.42);
}

@keyframes btn-guide-pulse {
  0% {
    transform: translateY(0);
    box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.42);
  }
  50% {
    transform: translateY(-1px);
    box-shadow: 0 0 0 8px rgba(99, 102, 241, 0.07);
  }
  100% {
    transform: translateY(0);
    box-shadow: 0 0 0 0 rgba(99, 102, 241, 0);
  }
}

.dark .btn-guide-pulse {
  box-shadow: 0 0 0 0 rgba(129, 140, 248, 0.5);
}

.toast-container {
  position: fixed;
  top: max(1rem, env(safe-area-inset-top));
  left: 50%;
  transform: translateX(-50%);
  z-index: 120;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
  pointer-events: none;
}

.toast-item {
  min-width: 280px;
  max-width: min(560px, 92vw);
  padding: 0.8rem 0.95rem;
  border-radius: 0.8rem;
  border: 1px solid #dbeafe;
  background: rgba(239, 246, 255, 0.98);
  color: #1e3a8a;
  box-shadow: 0 18px 36px rgba(30, 58, 138, 0.22);
  backdrop-filter: blur(6px);
  font-size: 0.85rem;
  line-height: 1.45;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  position: relative;
  overflow: hidden;
  pointer-events: auto;
  opacity: 0;
  transform: translateY(-10px) scale(0.98);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast-item.show {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.toast-item.error.show {
  animation: toast-error-shake 0.36s ease-out;
}

.toast-item.info {
  border-color: #93c5fd;
  background: rgba(239, 246, 255, 0.98);
  color: #1e3a8a;
  box-shadow: 0 18px 36px rgba(30, 64, 175, 0.22);
}

.toast-item.success {
  border-color: #6ee7b7;
  background: rgba(236, 253, 245, 0.98);
  color: #065f46;
  box-shadow: 0 18px 36px rgba(5, 150, 105, 0.2);
}

.toast-item.warning {
  border-color: #fcd34d;
  background: rgba(255, 251, 235, 0.98);
  color: #92400e;
  box-shadow: 0 18px 36px rgba(217, 119, 6, 0.22);
}

.toast-item.error {
  border-color: #fca5a5;
  background: rgba(254, 242, 242, 0.99);
  color: #991b1b;
  box-shadow: 0 18px 36px rgba(185, 28, 28, 0.24);
}

.toast-icon {
  width: 1.45rem;
  height: 1.45rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.toast-item.info .toast-icon {
  background: rgba(59, 130, 246, 0.18);
}

.toast-item.success .toast-icon {
  background: rgba(16, 185, 129, 0.2);
}

.toast-item.warning .toast-icon {
  background: rgba(245, 158, 11, 0.2);
}

.toast-item.error .toast-icon {
  background: rgba(239, 68, 68, 0.2);
}

.toast-text {
  flex: 1;
}

.toast-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: currentColor;
  opacity: 0.28;
  transform-origin: left;
  animation: toast-progress var(--toast-duration, 2200ms) linear forwards;
}

@keyframes toast-progress {
  from { transform: scaleX(1); }
  to { transform: scaleX(0); }
}

@keyframes toast-error-shake {
  0% { transform: translateY(0) translateX(0) scale(1); }
  25% { transform: translateY(0) translateX(-4px) scale(1); }
  50% { transform: translateY(0) translateX(3px) scale(1); }
  75% { transform: translateY(0) translateX(-2px) scale(1); }
  100% { transform: translateY(0) translateX(0) scale(1); }
}

.dark .toast-item {
  background: rgba(17, 24, 39, 0.96);
  border-color: #475569;
  color: #e5e7eb;
}

.dark .toast-item.info {
  background: rgba(30, 58, 138, 0.42);
  border-color: rgba(96, 165, 250, 0.6);
  color: #dbeafe;
}

.dark .toast-item.success {
  background: rgba(6, 95, 70, 0.46);
  border-color: rgba(52, 211, 153, 0.62);
  color: #d1fae5;
}

.dark .toast-item.warning {
  background: rgba(120, 53, 15, 0.5);
  border-color: rgba(251, 191, 36, 0.65);
  color: #fef3c7;
}

.dark .toast-item.error {
  background: rgba(127, 29, 29, 0.5);
  border-color: rgba(248, 113, 113, 0.64);
  color: #fee2e2;
}