@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Geist+Mono:wght@400;500;600;700&display=swap");

:root {
  --tool-bg: var(--background);
  --tool-surface: var(--card);
  --tool-surface-2: var(--secondary);
  --tool-text: var(--foreground);
  --tool-muted: var(--muted-foreground);
  --tool-border: var(--border);
  --tool-border-soft: color-mix(in oklch, var(--border) 72%, transparent);
  --tool-accent: var(--primary);
  --tool-accent-soft: color-mix(in oklch, var(--primary) 13%, var(--card));
  --tool-danger: var(--destructive);
  --tool-danger-hover: color-mix(in oklch, var(--destructive) 88%, black);
  --tool-button-hover: color-mix(in oklch, var(--primary) 10%, var(--card));
  --tool-modal-button-hover: var(--secondary);
  --tool-active-bg: color-mix(in oklch, var(--primary) 9%, var(--card));
}

.dark {
  --tool-bg: var(--background);
  --tool-surface: var(--card);
  --tool-surface-2: var(--secondary);
  --tool-text: var(--foreground);
  --tool-muted: var(--muted-foreground);
  --tool-border: var(--border);
  --tool-border-soft: color-mix(in oklch, white 14%, transparent);
  --tool-accent: var(--primary);
  --tool-accent-soft: color-mix(in oklch, var(--primary) 16%, var(--card));
  --tool-danger: var(--destructive);
  --tool-danger-hover: color-mix(in oklch, var(--destructive) 85%, white);
  --tool-button-hover: color-mix(in oklch, var(--primary) 13%, var(--accent));
  --tool-modal-button-hover: var(--secondary);
  --tool-active-bg: color-mix(in oklch, var(--primary) 14%, var(--card));
}

html {
  color-scheme: light;
}

html.dark {
  color-scheme: dark;
}

body {
  font-family: var(--font-sans);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--tool-accent) 6%, transparent), transparent 240px),
    var(--background);
  letter-spacing: 0;
}

body > .h-screen {
  animation: tool-shell-enter 220ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

body > .h-screen {
  min-height: 100dvh;
  height: 100dvh;
}

header {
  background: color-mix(in srgb, var(--card) 88%, transparent);
  backdrop-filter: blur(16px);
}

header h1 {
  font-size: 0.95rem;
}

header a[title="Back to Tools"],
#themeToggle {
  border-color: var(--tool-border-soft);
}

header a[href="https://damln.com"] {
  color: var(--tool-accent);
}

textarea,
input,
select {
  font-family: var(--font-mono);
}

button,
a {
  text-underline-offset: 3px;
  touch-action: manipulation;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.mode-tab,
.seg-width__btn,
.seg-bg__btn,
.jpg-q-btn {
  border: 1px solid transparent;
  box-sizing: border-box;
}

.mode-tab[data-active="true"],
.seg-width__btn[data-active="true"],
.seg-bg__btn[data-active="true"],
.jpg-q-btn[data-active="true"],
.format-btn.bg-primary,
.quality-btn.bg-primary {
  border-color: var(--tool-accent) !important;
  background: var(--tool-active-bg) !important;
  color: var(--foreground) !important;
  box-shadow: none !important;
}

.mode-tab:not([data-active="true"]):hover,
.seg-width__btn:not([data-active="true"]):not(:disabled):hover,
.seg-bg__btn:not([data-active="true"]):hover,
.jpg-q-btn:not([data-active="true"]):hover,
.format-btn:not(.bg-primary):hover,
.quality-btn:not(.bg-primary):hover,
button.hover\:bg-accent:hover,
a.hover\:bg-accent:hover {
  background: var(--tool-button-hover) !important;
  color: var(--foreground) !important;
}

.tool-state-pop {
  animation: tool-state-pop 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

.tool-panel-swap {
  animation: tool-panel-swap 190ms cubic-bezier(0.16, 1, 0.3, 1);
}

.tool-card {
  animation: tool-card-enter 260ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.tool-card:nth-child(2) { animation-delay: 28ms; }
.tool-card:nth-child(3) { animation-delay: 56ms; }
.tool-card:nth-child(4) { animation-delay: 84ms; }
.tool-card:nth-child(5) { animation-delay: 112ms; }
.tool-card:nth-child(6) { animation-delay: 140ms; }
.tool-card:nth-child(7) { animation-delay: 168ms; }

.tool-card:hover .tool-card__icon,
.tool-card:focus-visible .tool-card__icon {
  transform: translateY(-1px) rotate(-2deg);
}

.tool-card__icon {
  transition: color .15s ease, border-color .15s ease, transform .18s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.drag-over {
  border-color: var(--tool-accent) !important;
  background: var(--tool-accent-soft) !important;
}

input[type="range"] {
  --tool-range-progress: 50%;
  appearance: none;
  height: 0.5rem;
  border-radius: 999px;
  background:
    linear-gradient(
      90deg,
      var(--tool-accent) 0 var(--tool-range-progress),
      var(--secondary) var(--tool-range-progress) 100%
    ) !important;
  cursor: pointer;
  transition: filter 160ms ease, background 160ms ease;
}

input[type="range"]:hover {
  filter: saturate(1.08);
}

input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 1rem;
  height: 1rem;
  border-radius: 999px;
  border: 2px solid var(--background);
  background: var(--tool-accent);
  box-shadow: 0 0 0 1px var(--tool-border);
  transition: transform 160ms cubic-bezier(0.16, 1, 0.3, 1), border-color 160ms ease;
}

input[type="range"]:hover::-webkit-slider-thumb,
input[type="range"]:focus-visible::-webkit-slider-thumb {
  transform: scale(1.12);
  border-color: var(--tool-accent-soft);
}

input[type="range"]::-moz-range-track {
  height: 0.5rem;
  border-radius: 999px;
  background: transparent;
}

input[type="range"]::-moz-range-thumb {
  width: 1rem;
  height: 1rem;
  border-radius: 999px;
  border: 2px solid var(--background);
  background: var(--tool-accent);
  box-shadow: 0 0 0 1px var(--tool-border);
}

.resizer {
  margin: 0 0.35rem;
}

.tool-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: color-mix(in srgb, #0c0f0a 50%, transparent);
  -webkit-backdrop-filter: blur(0px);
  backdrop-filter: blur(0px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease-out, -webkit-backdrop-filter 180ms ease-out,
    backdrop-filter 180ms ease-out;
}

.tool-modal-backdrop[data-open="true"] {
  opacity: 1;
  pointer-events: auto;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.tool-modal {
  width: min(100%, 420px);
  border: 1px solid var(--tool-border-soft);
  border-radius: 14px;
  background: var(--card);
  color: var(--foreground);
  box-shadow: 0 24px 80px color-mix(in srgb, #0c0f0a 24%, transparent);
  transform: translateY(12px) scale(0.95);
  opacity: 0;
  transition: transform 220ms cubic-bezier(0.16, 1, 0.3, 1),
    opacity 160ms ease-out;
}

.tool-modal-backdrop[data-open="true"] .tool-modal {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.tool-modal__body {
  padding: 1.25rem;
}

.tool-modal__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 650;
  line-height: 1.3;
}

.tool-modal__message {
  margin: 0.5rem 0 0;
  color: var(--muted-foreground);
  font-size: 0.9rem;
  line-height: 1.55;
}

.tool-modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 0 1.25rem 1.25rem;
}

.tool-modal__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.25rem;
  border-radius: 0.5rem;
  border: 1px solid var(--input);
  padding: 0.45rem 0.85rem;
  background: var(--background);
  color: var(--foreground);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease, transform 120ms ease;
}

.tool-modal__button:hover {
  border-color: var(--tool-border);
  background: var(--tool-modal-button-hover);
  color: var(--foreground);
}

.tool-modal__button:active {
  transform: translateY(1px);
}

.tool-modal__button--primary {
  border-color: var(--primary);
  background: var(--primary);
  color: var(--primary-foreground);
}

.tool-modal__button--primary:hover {
  background: color-mix(in srgb, var(--primary) 88%, var(--tool-accent));
  color: var(--primary-foreground);
}

.tool-modal__button--danger {
  border-color: var(--destructive);
  background: var(--destructive);
  color: #ffffff;
}

.tool-modal__button--danger:hover {
  border-color: var(--tool-danger-hover);
  background: var(--tool-danger-hover);
  color: #ffffff;
}

.tool-toast-region {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 1001;
  display: grid;
  gap: 0.5rem;
  width: min(100% - 2rem, 360px);
  pointer-events: none;
}

.tool-toast {
  border: 1px solid var(--tool-border-soft);
  border-radius: 12px;
  background: var(--card);
  color: var(--foreground);
  padding: 0.8rem 0.95rem;
  box-shadow: 0 16px 40px color-mix(in srgb, #0c0f0a 18%, transparent);
  font-size: 0.875rem;
  line-height: 1.4;
  animation: tool-toast-in 220ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.tool-toast--leaving {
  animation: tool-toast-out 160ms ease-in forwards;
}

@keyframes tool-toast-in {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes tool-toast-out {
  to {
    opacity: 0;
    transform: translateY(6px) scale(0.97);
  }
}

@keyframes tool-shell-enter {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes tool-card-enter {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes tool-state-pop {
  0% {
    transform: scale(0.985);
  }
  70% {
    transform: scale(1.018);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes tool-panel-swap {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

[data-tool-live] {
  position: fixed;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

@media (max-width: 900px) {
  body {
    overflow-y: auto;
  }

  body > .h-screen {
    height: auto !important;
    min-height: 100dvh;
  }

  header {
    align-items: flex-start !important;
    gap: 0.75rem;
    padding: 0.9rem 1rem !important;
  }

  header > div:first-child {
    min-width: 0;
    gap: 0.75rem !important;
  }

  header h1,
  header p {
    overflow-wrap: anywhere;
  }

  body > .h-screen > .flex-1.flex,
  #mainContainer,
  main.h-full.flex {
    flex-direction: column !important;
    overflow: visible !important;
    min-height: auto !important;
  }

  body > .h-screen > .flex-1.flex {
    padding: 0.75rem !important;
  }

  [class~="w-1/2"],
  #leftPanel,
  #rightPanel {
    width: 100% !important;
    min-height: 360px;
  }

  #leftPanel,
  #rightPanel,
  [class~="w-1/2"] {
    overflow: visible !important;
  }

  .resizer {
    display: none !important;
  }

  aside,
  section {
    width: 100% !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  body > .h-screen,
  .tool-card,
  .tool-state-pop,
  .tool-panel-swap {
    animation: none !important;
  }
}