:root {
  --aimo-bg: #eef4fb;
  --aimo-card: rgba(255, 255, 255, 0.94);
  --aimo-card-strong: #ffffff;
  --aimo-line: rgba(191, 219, 254, 0.65);
  --aimo-ink: #0f172a;
  --aimo-copy: #475569;
  --aimo-brand: #1d4ed8;
  --aimo-brand-strong: #0f172a;
  --aimo-good: #047857;
  --aimo-warn: #b45309;
  --aimo-bad: #b91c1c;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(125, 211, 252, 0.18), transparent 24%),
    radial-gradient(circle at top right, rgba(59, 130, 246, 0.12), transparent 18%),
    linear-gradient(180deg, #f8fbff 0%, var(--aimo-bg) 100%);
  color: var(--aimo-ink);
  font-family: Arial, sans-serif;
}

body {
  padding: 22px 16px 40px;
}

.app-shell {
  width: min(1760px, calc(100vw - 32px));
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.hero {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 14px;
  justify-content: center;
  text-align: center;
}

.hero-logo {
  width: 68px;
  height: 68px;
  object-fit: contain;
}

.hero-title {
  font: 800 46px/1.02 "Trebuchet MS", Arial, sans-serif;
  letter-spacing: -0.04em;
}

.notice {
  position: relative;
  overflow: visible;
  width: min(50%, 800px);
  margin: 0 auto;
  border: 1px solid rgba(251, 191, 36, 0.42);
  border-radius: 22px;
  background: linear-gradient(120deg, rgba(255, 251, 235, 0.98), rgba(254, 243, 199, 0.96));
  box-shadow: 0 20px 60px rgba(234, 179, 8, 0.12);
  padding: 17px 22px;
  text-align: center;
  color: #92400e;
  font: 700 15px/1.6 Arial, sans-serif;
  will-change: box-shadow;
}

.notice::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: inherit;
  border: inherit;
  box-shadow: inherit;
  z-index: 0;
  transform-origin: center center;
  animation: noticeFramePulse 4.8s ease-in-out infinite;
  pointer-events: none;
}

.notice > * {
  position: relative;
  z-index: 1;
}

.heart-mark {
  color: #dc2626;
}

@keyframes noticeFramePulse {
  0% {
    transform: translateY(0) scale(1);
    box-shadow: 0 20px 60px rgba(234, 179, 8, 0.12);
  }
  50% {
    transform: translateY(-4px) scale(1.015);
    box-shadow: 0 24px 72px rgba(234, 179, 8, 0.18);
  }
  100% {
    transform: translateY(0) scale(1);
    box-shadow: 0 20px 60px rgba(234, 179, 8, 0.12);
  }
}

.main-grid {
  display: grid;
  grid-template-columns: minmax(460px, 560px) minmax(860px, 1fr);
  gap: 22px;
  align-items: stretch;
}

.card {
  border: 1px solid var(--aimo-line);
  border-radius: 28px;
  background: var(--aimo-card);
  box-shadow: 0 28px 80px rgba(15, 23, 42, 0.09);
  overflow: hidden;
  backdrop-filter: blur(8px);
}

.left-card {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.right-card {
  padding: 16px;
  min-height: 800px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.output-label {
  padding: 6px 10px 0;
  color: var(--aimo-copy);
  font: 700 16px/1.2 Arial, sans-serif;
}

.section-title {
  margin: 0;
  color: var(--aimo-ink);
  font: 700 17px/1.3 Arial, sans-serif;
}

.section-title.small {
  font-size: 15px;
}

.section-copy {
  margin: 0;
  color: var(--aimo-copy);
  font: 500 14px/1.7 Arial, sans-serif;
}

.input-card {
  border: 1px solid rgba(191, 219, 254, 0.62);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.92));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.preview-frame {
  position: relative;
  min-height: 360px;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(226, 232, 240, 0.95);
  background: linear-gradient(180deg, #f8fafc, #e2e8f0);
}

.preview-frame video {
  display: block;
  width: 100%;
  height: 360px;
  object-fit: contain;
  object-position: center;
  background: #0f172a;
}

.preview-empty {
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 26px;
  color: #475569;
  font: 600 16px/1.7 Arial, sans-serif;
}

.preview-toolbar {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  gap: 8px;
}

.ghost-button,
.pill-button,
.cta-button,
.primary-button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  font: 700 15px/1 Arial, sans-serif;
  cursor: pointer;
  transition: transform 120ms ease, opacity 120ms ease, box-shadow 120ms ease;
}

.ghost-button,
.pill-button {
  padding: 11px 16px;
}

.ghost-button {
  background: rgba(255, 255, 255, 0.92);
  color: #0f172a;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.12);
}

.ghost-button[disabled],
.pill-button[disabled],
.primary-button[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.upload-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.pill-button {
  background: #eef2ff;
  color: #1e3a8a;
}

.pill-button.file-label {
  position: relative;
  overflow: hidden;
}

.pill-button.file-label input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.targets {
  display: flex;
  gap: 16px;
}

.target-chip {
  flex: 1 1 0;
  border: 1px solid rgba(203, 213, 225, 0.92);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.84);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font: 600 15px/1.3 Arial, sans-serif;
}

.target-chip.is-required {
  opacity: 0.92;
}

.target-chip input {
  width: 16px;
  height: 16px;
}

.start-row {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
}

.primary-button {
  min-height: 56px;
  min-width: 196px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(90deg, var(--aimo-brand-strong), var(--aimo-brand));
  color: #f8fafc;
  box-shadow: 0 18px 36px rgba(29, 78, 216, 0.2);
}

.status-card {
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.24);
  background: rgba(241, 245, 249, 0.96);
  color: #1e293b;
  padding: 16px 18px;
  font: 500 15px/1.65 Arial, sans-serif;
}

.status-card.is-success {
  background: rgba(236, 253, 245, 0.98);
  color: var(--aimo-good);
  border-color: rgba(16, 185, 129, 0.18);
}

.status-card.is-warning {
  background: rgba(255, 247, 237, 0.98);
  color: var(--aimo-warn);
  border-color: rgba(251, 146, 60, 0.18);
}

.status-card.is-error {
  background: rgba(254, 242, 242, 0.98);
  color: var(--aimo-bad);
  border-color: rgba(248, 113, 113, 0.18);
}

.examples-scroller {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 4px;
}

.example-card {
  position: relative;
  flex: 0 0 104px;
  width: 104px;
  min-width: 104px;
  height: 96px;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(191, 219, 254, 0.68);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 16px 30px rgba(15, 23, 42, 0.06);
  cursor: pointer;
}

.example-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.example-card.is-selected {
  border-color: rgba(37, 99, 235, 0.85);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.18), 0 16px 30px rgba(15, 23, 42, 0.06);
}

.example-card.is-selected::after {
  content: "\2713";
  position: absolute;
  top: 8px;
  left: 8px;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.92);
  color: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
  font: 700 14px/1 Arial, sans-serif;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.18);
}

.viewer-shell {
  position: relative;
  min-height: 840px;
  height: 840px;
  flex: 1 1 auto;
  border: 1px solid rgba(191, 219, 254, 0.52);
  border-radius: 28px;
  background: linear-gradient(180deg, #ffffff, #eff6ff);
  box-shadow: 0 30px 90px rgba(15, 23, 42, 0.09);
  overflow: hidden;
}

.viewer-frame {
  width: 100%;
  height: 100%;
  border: 0;
  background: #020617;
  display: none;
}

.viewer-frame.is-visible {
  display: block;
}

.viewer-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  color: #334155;
  font: 600 16px/1.75 Arial, sans-serif;
  background:
    radial-gradient(circle at top, rgba(125, 211, 252, 0.15), transparent 30%),
    linear-gradient(180deg, #f8fafc, #e2e8f0);
}

.cta {
  border: 1px solid rgba(191, 219, 254, 0.5);
  border-radius: 28px;
  background:
    radial-gradient(circle at top left, rgba(125, 211, 252, 0.24), transparent 34%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(239, 246, 255, 0.96));
  box-shadow: 0 28px 80px rgba(15, 23, 42, 0.09);
  margin-top: 10px;
  padding: 26px 28px;
  text-align: center;
}

.cta h2 {
  margin: 0;
  font: 700 24px/1.1 "Trebuchet MS", Arial, sans-serif;
}

.cta p {
  margin: 12px auto 18px;
  max-width: 760px;
  color: var(--aimo-copy);
  font: 500 14px/1.7 Arial, sans-serif;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 192px;
  padding: 13px 22px;
  background: #0f172a;
  color: #f8fafc;
  text-decoration: none;
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.18);
}

.cta-button-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  line-height: 1;
}

.cta-button-label {
  display: inline-flex;
  align-items: center;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 12000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(15, 23, 42, 0.48);
  backdrop-filter: blur(8px);
}

.modal-card {
  width: min(100%, 460px);
  border-radius: 24px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 32px 80px rgba(15, 23, 42, 0.28);
  padding: 20px;
  color: #0f172a;
  display: flex;
  flex-direction: column;
}

.modal-card.is-warning {
  border-color: rgba(251, 146, 60, 0.3);
}

.modal-card.is-error {
  border-color: rgba(248, 113, 113, 0.3);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.modal-close {
  width: 38px;
  min-width: 38px;
  height: 38px;
  padding: 0;
  border-radius: 999px;
  box-shadow: none;
  font: 700 24px/1 Arial, sans-serif;
}

.modal-body {
  margin: 14px 0 0;
}

.modal-body p {
  margin: 0;
}

.modal-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.modal-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

@media (max-width: 1220px) {
  .app-shell {
    width: min(1420px, calc(100vw - 20px));
  }

  .notice {
    width: min(100%, 780px);
  }

  .main-grid {
    grid-template-columns: 1fr;
  }

  .right-card,
  .viewer-shell,
  .viewer-frame {
    min-height: clamp(520px, 72vh, 700px);
    height: clamp(520px, 72vh, 700px);
  }
}

@media (max-width: 768px) {
  body {
    padding: 16px 10px 28px;
  }

  .app-shell {
    width: min(100vw - 20px, 100%);
    gap: 16px;
  }

  .hero {
    flex-direction: column;
    gap: 8px;
  }

  .hero-title {
    font-size: 38px;
  }

  .notice {
    width: min(100%, 560px);
    padding: 15px 16px;
  }

  .left-card,
  .right-card {
    padding: 14px;
  }

  .right-card {
    min-height: auto;
  }

  .viewer-shell {
    min-height: min(70vh, 580px);
    height: min(70vh, 580px);
    border-radius: 22px;
  }

  .viewer-frame {
    height: 100%;
  }

  .preview-frame,
  .preview-frame video,
  .preview-empty {
    min-height: 260px;
    height: 260px;
  }

  .targets {
    flex-direction: column;
  }

  .target-chip {
    width: 100%;
  }

  .start-row {
    flex-direction: column;
    align-items: stretch;
  }

  .primary-button {
    width: 100%;
  }

  .cta-button {
    width: 100%;
  }
}