.tools-site,
.pixel-tool-site {
  min-height: 100vh;
}

.tools-hero,
.pixel-tool-hero {
  position: relative;
  z-index: 2;
  padding: 150px 0 42px;
}

.tools-hero h1,
.pixel-tool-hero h1 {
  max-width: 880px;
  margin: 0;
  color: #f6ffff;
  font-size: clamp(44px, 7vw, 92px);
  line-height: .96;
  text-shadow: 0 0 18px rgba(36, 246, 255, .34);
}

.pixel-tool-hero {
  padding: 118px 0 20px;
}

.pixel-tool-hero h1 {
  max-width: 760px;
  font-size: clamp(38px, 5.2vw, 68px);
}

.tools-hero p,
.pixel-tool-hero p {
  max-width: 780px;
  margin: 18px 0 0;
  color: rgba(226, 247, 255, .86);
  font-size: clamp(16px, 1.6vw, 20px);
  line-height: 1.8;
}

.tools-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  padding-bottom: 90px;
}

.tool-card {
  display: grid;
  gap: 18px;
  padding: 26px;
  min-height: 210px;
  color: #f7ffff;
  text-decoration: none;
  border: 1px solid rgba(42, 230, 242, .42);
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(15, 49, 76, .74), rgba(4, 13, 25, .84)),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .04) 0 1px, transparent 1px 4px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .04), 0 20px 60px rgba(0, 0, 0, .26);
  transition: transform .24s ease, border-color .24s ease, background .24s ease;
}

.tool-card:hover {
  transform: translateY(-4px);
  border-color: rgba(79, 255, 246, .8);
  background:
    linear-gradient(135deg, rgba(20, 68, 100, .8), rgba(5, 17, 31, .9)),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .045) 0 1px, transparent 1px 4px);
}

.tool-card strong {
  font-size: 24px;
}

.tool-card p {
  margin: 0;
  color: rgba(222, 244, 255, .76);
  line-height: 1.7;
}

.tool-card span {
  align-self: end;
  color: #7efcff;
  font-weight: 900;
}

.pixel-tool-shell {
  position: relative;
  z-index: 2;
  margin-top: -4px;
  padding-bottom: 90px;
}

.pixel-tool-grid,
.pixel-preview-grid,
.pixel-status-grid {
  display: grid;
  gap: 18px;
}

.pixel-tool-grid {
  grid-template-columns: minmax(0, 1fr) minmax(320px, .9fr);
}

.pixel-preview-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 18px;
}

.pixel-status-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-top: 18px;
}

.pixel-tool-card {
  border: 1px solid rgba(42, 230, 242, .38);
  border-radius: 22px;
  background:
    linear-gradient(145deg, rgba(8, 33, 55, .82), rgba(2, 9, 18, .9)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .035) 0 1px, transparent 1px 5px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .035), 0 24px 64px rgba(0, 0, 0, .24);
}

.pixel-upload-card,
.pixel-settings-card,
.pixel-preview-card {
  padding: 22px;
}

.pixel-dropzone {
  display: grid;
  place-items: center;
  min-height: 260px;
  padding: 28px;
  text-align: center;
  cursor: pointer;
  border: 1px dashed rgba(126, 252, 255, .58);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(17, 63, 84, .3), rgba(6, 16, 29, .62)),
    linear-gradient(45deg, rgba(126, 252, 255, .08) 25%, transparent 25% 50%, rgba(126, 252, 255, .08) 50% 75%, transparent 75%);
  background-size: auto, 28px 28px;
  transition: border-color .2s ease, transform .2s ease, background .2s ease;
}

.pixel-dropzone:hover,
.pixel-dropzone:focus-visible,
.pixel-dropzone.is-dragging {
  outline: none;
  transform: translateY(-2px);
  border-color: rgba(132, 255, 214, .95);
  background:
    linear-gradient(135deg, rgba(20, 78, 101, .42), rgba(7, 20, 34, .72)),
    linear-gradient(45deg, rgba(126, 252, 255, .1) 25%, transparent 25% 50%, rgba(126, 252, 255, .1) 50% 75%, transparent 75%);
  background-size: auto, 28px 28px;
}

.pixel-dropzone strong {
  display: block;
  color: #f8ffff;
  font-size: clamp(22px, 2vw, 30px);
}

.pixel-dropzone span,
.pixel-file-summary,
.pixel-hint {
  color: rgba(222, 244, 255, .72);
  line-height: 1.7;
}

.pixel-file-summary {
  margin-top: 14px;
  padding: 12px 14px;
  border: 1px solid rgba(42, 230, 242, .28);
  border-radius: 12px;
  background: rgba(3, 10, 20, .62);
  word-break: break-all;
}

.pixel-settings-card h2,
.pixel-preview-card h2 {
  margin: 0 0 16px;
  color: #f7ffff;
  font-size: 22px;
}

.pixel-presets {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.pixel-presets button,
.pixel-actions button {
  min-height: 44px;
  border: 1px solid rgba(42, 230, 242, .38);
  border-radius: 12px;
  color: #eaffff;
  font-weight: 900;
  background: rgba(2, 10, 20, .78);
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}

.pixel-presets button:hover,
.pixel-actions button:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: rgba(126, 252, 255, .85);
}

.pixel-presets button.active,
.pixel-actions .primary-action {
  color: #06131b;
  border-color: transparent;
  background: linear-gradient(135deg, #f4ec78, #21e3e8);
}

.pixel-custom-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.pixel-field {
  display: grid;
  gap: 8px;
  color: rgba(226, 247, 255, .86);
  font-weight: 800;
}

.pixel-field input {
  min-width: 0;
  height: 46px;
  padding: 0 12px;
  color: #f7ffff;
  border: 1px solid rgba(42, 230, 242, .32);
  border-radius: 12px;
  background: rgba(2, 8, 17, .82);
}

.pixel-toggle {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  align-items: start;
  gap: 10px;
  margin-top: 18px;
  color: rgba(226, 247, 255, .86);
  line-height: 1.6;
}

.pixel-toggle input {
  width: 18px;
  min-width: 18px;
  height: 18px;
  margin: 4px 0 0;
  accent-color: #35f1f1;
}

.pixel-toggle strong,
.pixel-toggle small {
  display: block;
}

.pixel-toggle small {
  margin-top: 2px;
  color: rgba(226, 247, 255, .72);
  font-size: 14px;
}

.pixel-warning,
.pixel-error {
  margin: 14px 0 0;
  padding: 12px 14px;
  border-radius: 12px;
  line-height: 1.6;
}

.pixel-warning {
  color: #fff7cc;
  border: 1px solid rgba(250, 224, 108, .42);
  background: rgba(92, 70, 13, .28);
}

.pixel-error {
  color: #ffd8e5;
  border: 1px solid rgba(255, 87, 144, .42);
  background: rgba(75, 10, 34, .34);
}

.pixel-preview-frame {
  display: grid;
  place-items: center;
  min-height: 360px;
  overflow: auto;
  border: 1px solid rgba(42, 230, 242, .26);
  border-radius: 18px;
  background-color: rgba(2, 8, 16, .72);
  background-image:
    linear-gradient(45deg, rgba(255, 255, 255, .055) 25%, transparent 25% 75%, rgba(255, 255, 255, .055) 75%),
    linear-gradient(45deg, rgba(255, 255, 255, .055) 25%, transparent 25% 75%, rgba(255, 255, 255, .055) 75%);
  background-position: 0 0, 14px 14px;
  background-size: 28px 28px;
}

.pixel-preview-frame img,
.pixel-preview-frame canvas {
  max-width: min(100%, 520px);
  max-height: 520px;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.pixel-empty {
  max-width: 260px;
  color: rgba(226, 247, 255, .64);
  text-align: center;
  line-height: 1.7;
}

.pixel-status {
  padding: 16px;
}

.pixel-status span {
  display: block;
  color: rgba(226, 247, 255, .58);
  font-size: 13px;
  font-weight: 800;
}

.pixel-status strong {
  display: block;
  margin-top: 8px;
  color: #f7ffff;
  font-size: 17px;
  word-break: break-word;
}

.pixel-status strong[data-state="good"] {
  color: #8fffe6;
}

.pixel-status strong[data-state="warn"] {
  color: #ffe98a;
}

.pixel-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 18px;
}

.pixel-actions button {
  min-width: 160px;
  padding: 0 22px;
}

.pixel-actions button:disabled {
  opacity: .46;
  cursor: not-allowed;
}

@media (max-width: 900px) {
  .tools-hero,
  .pixel-tool-hero {
    padding-top: 128px;
  }

  .pixel-tool-hero {
    padding: 114px 0 16px;
  }

  .pixel-tool-grid,
  .pixel-preview-grid,
  .pixel-status-grid {
    grid-template-columns: 1fr;
  }

  .pixel-status-grid {
    gap: 10px;
  }

  .pixel-preview-frame {
    min-height: 260px;
  }
}

@media (max-width: 640px) {
  .tools-hero,
  .pixel-tool-hero {
    padding: 118px 0 30px;
  }

  .pixel-tool-hero {
    padding: 106px 0 14px;
  }

  .tools-hero h1,
  .pixel-tool-hero h1 {
    font-size: clamp(34px, 11vw, 48px);
  }

  .pixel-upload-card,
  .pixel-settings-card,
  .pixel-preview-card {
    padding: 14px;
  }

  .pixel-dropzone {
    min-height: 210px;
    padding: 20px;
  }

  .pixel-presets {
    grid-template-columns: 1fr;
  }

  .pixel-custom-grid,
  .pixel-actions {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .pixel-actions button {
    width: 100%;
  }
}