:root {
  color-scheme: light;
  --page: #f8f9fc;
  --surface: #ffffff;
  --surface-subtle: #f4f6fa;
  --ink: #20263a;
  --ink-soft: #697187;
  --ink-faint: #939bad;
  --line: #e6e9f0;
  --accent: #483f88;
  --accent-hover: #5546d5;
  --accent-soft: #efedff;
  --green: #29a77a;
  --shadow: 0 18px 55px rgba(36, 43, 74, 0.07);
  --radius: 18px;
  font-family: "DM Sans", sans-serif;
  background: var(--page);
  color: var(--ink);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #171923;
  --surface: #20232f;
  --surface-subtle: #292c39;
  --ink: #f0f1f7;
  --ink-soft: #b2b7c8;
  --ink-faint: #858ca2;
  --line: #332a8c;
  --accent: #25218e;
  --accent-hover: #7b7be1;
  --accent-soft: #8d7ddf;
  --green: #106af1;
  --shadow: 0 18px 55px rgba(0, 0, 0, 0.18);
  font-family: "DM Sans", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(ellipse at 51% 16%, rgba(115, 100, 236, 0.055), transparent 39%),
    var(--page);
  color: var(--ink);
  transition: background-color 260ms ease, color 260ms ease;
}

main {
  flex: 1;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent);
  outline-offset: 3px;
}

.topbar {
  height: 82px;
  width: 100%;
  margin: 0;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--ink);
  text-decoration: none;
  font: 800 22px/1 "Manrope", sans-serif;
  letter-spacing: -1.2px;
}

.brand-mark {
  width: 32px;
  height: 32px;
  display: block;
  object-fit: contain;
}

.brand-accent,
.heading-period {
  color: var(--accent);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 23px;
}

.privacy-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 12px;
}

.privacy-note span,
.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
}

.theme-toggle {
  position: relative;
  isolation: isolate;
  width: 42px;
  height: 42px;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: linear-gradient(180deg, #a8dcff 0%, #d9e9ff 58%, #fff0d5 100%);
  color: var(--ink);
  cursor: pointer;
  transition: border-color 180ms ease, transform 180ms ease;
}

.theme-toggle::before,
.theme-toggle::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  border-radius: inherit;
  content: "";
  transition: opacity 900ms cubic-bezier(0.22, 1, 0.36, 1), transform 900ms cubic-bezier(0.22, 1, 0.36, 1);
}

.theme-toggle::before {
  background: linear-gradient(180deg, #344b86 0%, #5268a4 58%, #8395c6 100%);
  opacity: 0;
  transform: translateY(-18px);
}

.theme-toggle::after {
  background: linear-gradient(180deg, rgba(255, 204, 147, 0.1) 0%, rgba(255, 187, 137, 0.72) 54%, rgba(255, 225, 165, 0.82) 62%, rgba(255, 186, 135, 0.08) 100%);
  opacity: 0;
  transform: translateY(10px) scale(0.94);
}

.theme-toggle.sunset-to-night::before {
  transition-delay: 180ms;
}

.theme-toggle.sunset-to-night::after {
  animation: sunset-glow 900ms cubic-bezier(0.4, 0, 0.2, 1) both;
}

.theme-toggle.sunset-to-night .moon-icon {
  transition-delay: 420ms;
}

.theme-toggle.sunrise-to-day::before {
  transition-delay: 180ms;
}

.theme-toggle.sunrise-to-day::after {
  animation: sunset-glow 900ms cubic-bezier(0.4, 0, 0.2, 1) reverse both;
}

.theme-toggle.sunrise-to-day .sun-icon {
  transition-delay: 420ms;
}

.theme-toggle:hover {
  transform: rotate(-9deg);
  border-color: var(--accent);
}

.theme-icon {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  transition: transform 700ms cubic-bezier(0.22, 1, 0.36, 1), opacity 500ms ease;
}

.theme-icon svg {
  width: 19px;
  height: 19px;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.moon-icon {
  opacity: 0;
  color: #fff5cd;
  transition-delay: 0ms;
  transform: translateY(18px) rotate(-35deg) scale(0.72);
}

:root[data-theme="dark"] .sun-icon {
  opacity: 0;
  transform: translateY(19px) rotate(80deg) scale(0.72);
}

:root[data-theme="dark"] .moon-icon {
  opacity: 1;
  transform: translateY(0) rotate(0) scale(1);
}

:root[data-theme="dark"] .theme-toggle::before {
  opacity: 1;
  transform: translateY(0);
}

:root[data-theme="dark"] .theme-toggle::after {
  opacity: 0;
  transform: translateY(12px);
}

.intro {
  max-width: 710px;
  margin: 58px auto 38px;
  padding: 0 24px;
  text-align: center;
}

.eyebrow,
.results-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.45px;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin: 12px 0 17px;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--ink);
  font: 800 clamp(48px, 7.2vw, 76px)/1.02 "Manrope", sans-serif;
  letter-spacing: -2px;
}

h1 span {
  display: block;
  background: linear-gradient(105deg, var(--accent) 12%, #b7aaff 90%);
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

h1 span:first-child {
  font-weight: 600;
}

h1 span:last-child {
  font-weight: 800;
  font-style: italic;
}

.intro-copy {
  max-width: 550px;
  margin: 0 auto;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.75;
}

.workspace,
.results,
.processing {
  width: min(870px, calc(100% - 48px));
  margin-right: auto;
  margin-left: auto;
}

.upload-card {
  position: relative;
  overflow: hidden;
  min-height: 344px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: border-color 200ms ease, background 220ms ease;
}

.upload-card.dragging {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 12%, transparent), var(--shadow);
}

.upload-content {
  min-height: 342px;
  padding: 35px 20px 31px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
}

.upload-content:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent);
  outline-offset: -7px;
}

.upload-icon {
  width: 57px;
  height: 57px;
  margin-bottom: 16px;
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--line));
  border-radius: 17px;
  background: color-mix(in srgb, var(--accent) 13%, var(--surface));
  color: var(--accent);
}

:root:not([data-theme="dark"]) .upload-icon {
  background: var(--accent-soft);
}

:root[data-theme="dark"] .upload-icon {
  border-color: color-mix(in srgb, var(--accent-hover) 35%, var(--line));
  background: color-mix(in srgb, var(--accent-hover) 16%, var(--surface));
  color: var(--accent-hover);
}

.upload-icon svg {
  width: 31px;
  height: 31px;
  stroke: currentColor;
  stroke-width: 1.65;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.upload-content h2 {
  margin: 0 0 9px;
  font: 800 clamp(23px, 3.5vw, 30px)/1.3 "Manrope", sans-serif;
  letter-spacing: -0.8px;
}

.upload-content p {
  margin-bottom: 21px;
  color: var(--ink-soft);
  font-size: 13px;
}

.button {
  min-height: 43px;
  padding: 0 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid transparent;
  border-radius: 9px;
  cursor: pointer;
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  transition: color 170ms ease, background 170ms ease, border-color 170ms ease, transform 170ms ease, opacity 170ms ease;
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.button svg {
  width: 17px;
  height: 17px;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button-primary {
  background: var(--accent);
  color: #fff;
}

.button-primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.file-hint {
  margin-top: 13px;
  color: var(--ink-faint);
  font-size: 10px;
}

.how-it-works {
  max-width: 700px;
  margin: 21px auto 0 auto !important;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(15px, 5vw, 35px);
  color: var(--ink-soft);
  font-size: 19px;
}

.how-step {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.step-number {
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
}

.step-line {
  width: 32px;
  height: 1px;
  background: var(--line);
}

.video-workspace {
  min-height: 342px;
  padding: 19px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(245px, 0.8fr);
  gap: 23px;
}

.video-preview-wrap {
  position: relative;
  height: 270px;
  min-height: 0;
  overflow: hidden;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: #12131a;
}

.video-preview-wrap video {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: contain;
}

.video-preview-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.video-info {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 21px;
}

.video-file-line {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 11px;
}

.video-file-icon {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
}

.video-file-icon svg {
  width: 19px;
  height: 19px;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.video-file-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.video-file-copy > span {
  overflow: hidden;
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.video-file-copy small {
  color: var(--ink-faint);
  font-size: 10px;
}

.fps-panel {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-subtle);
}

.fps-label {
  display: block;
  margin-bottom: 8px;
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 600;
}

.fps-value-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.fps-value {
  color: var(--ink);
  font: 700 23px "Manrope", sans-serif;
}

.fps-unit {
  color: var(--ink-faint);
  font-size: 11px;
}

.drop-overlay {
  position: absolute;
  z-index: 2;
  inset: 10px;
  display: none;
  place-items: center;
  border: 2px dashed var(--accent);
  border-radius: 13px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  pointer-events: none;
}

.dragging .drop-overlay {
  display: grid;
}

.drop-overlay-inner {
  color: var(--accent);
  font: 700 17px "Manrope", sans-serif;
}

.results {
  margin-top: 76px;
  margin-bottom: 80px;
  scroll-margin-top: 30px;
  animation: reveal 400ms ease both;
}

body.showing-results .topbar,
body.showing-results .intro,
body.showing-results .workspace,
body.showing-results .processing {
  display: none !important;
}

body.showing-results .results {
  margin-top: 36px;
}

.results-heading {
  margin-bottom: 23px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}

.results-kicker {
  margin-bottom: 9px;
  font-size: 9px;
}

.results-heading h2 {
  margin: 0 0 7px;
  font: 700 clamp(21px, 3vw, 28px)/1.3 "Manrope", sans-serif;
  letter-spacing: -0.9px;
}

.results-heading p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
}

.button-secondary {
  flex-shrink: 0;
  border-color: var(--line);
  background: var(--surface);
  color: var(--ink);
}

.button-secondary:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.copy-progress {
  margin: 0 0 18px;
  color: var(--ink-soft);
  font-size: 10px;
}

.progress-track {
  height: 4px;
  overflow: hidden;
  border-radius: 4px;
  background: var(--line);
}

.copy-progress .progress-track {
  margin-top: 8px;
}

.progress-track > span {
  width: 0;
  height: 100%;
  display: block;
  border-radius: inherit;
  background: var(--accent);
  transition: width 100ms linear;
}

.frames-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 13px;
}

.frame-card {
  min-width: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.frame-card:hover {
  z-index: 1;
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  box-shadow: 0 9px 25px rgba(28, 31, 55, 0.11);
}

.frame-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  display: block;
  object-fit: cover;
  background: var(--surface-subtle);
}

.frame-card-details {
  padding: 9px 10px;
  display: flex;
  justify-content: space-between;
  gap: 7px;
  color: var(--ink-soft);
  font-size: 9px;
}

.frame-card-details span:first-child {
  color: var(--ink);
  font-weight: 600;
}

.processing {
  margin-top: 37px;
  padding: 17px 20px;
  display: flex;
  align-items: center;
  gap: 15px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.processing-spinner {
  width: 26px;
  height: 26px;
  flex: 0 0 26px;
  border: 3px solid var(--accent-soft);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 750ms linear infinite;
}

.processing-copy {
  flex: 1;
  display: grid;
  gap: 7px;
}

.processing-copy strong {
  font-size: 12px;
}

.processing-copy > span {
  color: var(--ink-soft);
  font-size: 10px;
}

.processing-copy .progress-track {
  margin-top: 3px;
}

.processing-count {
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
}

.toast {
  position: fixed;
  z-index: 10;
  right: 24px;
  bottom: 24px;
  max-width: min(420px, calc(100% - 48px));
  padding: 13px 17px;
  transform: translateY(12px);
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow);
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease, background 220ms ease;
}

.toast.visible {
  transform: translateY(0);
  opacity: 1;
}

.frame-dialog {
  width: min(900px, calc(100% - 32px));
  max-width: none;
  max-height: calc(100% - 36px);
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 28px 100px rgba(8, 10, 24, 0.33);
}

.frame-dialog::backdrop {
  background: rgba(15, 17, 28, 0.72);
  backdrop-filter: blur(4px);
}

.copy-dialog {
  width: min(460px, calc(100% - 32px));
  padding: 24px;
}

.copy-dialog-content h2 {
  margin: 0 40px 8px 0;
  font-family: "Manrope", sans-serif;
  font-size: 20px;
}

.copy-dialog-content p {
  margin: 0 0 20px;
  color: var(--ink-soft);
  font-size: 13px;
}

.copy-dialog-content .dialog-actions {
  justify-content: space-between;
  flex-wrap: wrap;
}

.dialog-close {
  position: absolute;
  z-index: 1;
  top: 12px;
  right: 13px;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  background: rgba(16, 17, 24, 0.63);
  color: white;
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
}

.dialog-image-wrap {
  min-height: 180px;
  max-height: min(70vh, 680px);
  display: grid;
  place-items: center;
  background: #11131a;
}

.dialog-image-wrap img {
  max-width: 100%;
  max-height: min(70vh, 680px);
  object-fit: contain;
}

.dialog-footer {
  padding: 15px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
}

.dialog-frame-info {
  display: grid;
  gap: 4px;
}

.dialog-frame-info strong {
  font-size: 12px;
}

.dialog-frame-info span {
  color: var(--ink-soft);
  font-size: 10px;
}

.dialog-actions {
  display: flex;
  gap: 9px;
}

.download-button {
  min-height: 40px;
}

.hidden {
  display: none !important;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes reveal {
  from { transform: translateY(10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes sunset-glow {
  0%,
  100% {
    opacity: 0;
    transform: translateY(10px) scale(0.94);
  }

  38%,
  62% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 700px) {
  .topbar {
    height: 70px;
    padding: 0 20px;
  }

  .privacy-note {
    display: none;
  }

  .intro {
    margin-top: 42px;
    margin-bottom: 29px;
  }

  .workspace,
  .results,
  .processing {
    width: calc(100% - 32px);
  }

  .upload-card {
    min-height: 320px;
  }

  .upload-content {
    min-height: 318px;
  }

  .video-workspace {
    grid-template-columns: 1fr;
  }

  .video-preview-wrap {
    height: 210px;
    min-height: 0;
  }

  .video-preview-wrap video {
    max-height: 100%;
  }

  .video-info {
    gap: 13px;
  }

  .how-it-works {
    gap: 9px;
    font-size: 12px;
  }

  .how-step {
    gap: 5px;
  }

  .step-line {
    width: 13px;
  }

  .results {
    margin-top: 58px;
  }

  .results-heading {
    align-items: flex-start;
  }

  .results-heading .button {
    min-height: 39px;
    padding: 0 11px;
    font-size: 10px;
  }

  .frames-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 9px;
  }
}

@media (max-width: 460px) {
  .intro {
    padding: 0 18px;
  }

  h1 {
    font-size: clamp(44px, 11vw, 58px);
    letter-spacing: -1.4px;
  }

  .intro-copy {
    font-size: 12px;
  }

  .how-it-works {
    gap: 7px;
    font-size: 10px;
  }

  .step-number {
    font-size: 8px;
  }

  .step-line {
    width: 9px;
  }

  .results-heading {
    flex-direction: column;
    align-items: flex-start;
  }

  .frames-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .frame-card-details {
    font-size: 8px;
  }

  .dialog-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .dialog-actions {
    width: 100%;
  }

  .dialog-actions > * {
    flex: 1;
  }
}

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