:root {
  color-scheme: dark;
  --bg: #07111f;
  --panel: rgba(13, 24, 43, 0.92);
  --panel-strong: #101b31;
  --border: rgba(130, 156, 204, 0.22);
  --text: #ecf3ff;
  --muted: #95a4c4;
  --accent: #78a8ff;
  --accent-strong: #4c82f7;
  --success: #8de2b8;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top, rgba(82, 132, 255, 0.2), transparent 30%),
    linear-gradient(180deg, #07111f 0%, #040913 100%);
  color: var(--text);
}

body,
button,
input,
a {
  font: inherit;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 64px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.9fr);
  gap: 24px;
  align-items: stretch;
}

.hero,
.tools-section,
.workspace-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.25);
}

.hero {
  padding: 32px;
}

.hero-copy h1,
.section-heading h2 {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 4rem);
  line-height: 1.02;
}

.hero-text,
.section-heading p,
.tool-card p,
.tool-placeholder p,
.upload-meta,
.preview-surface p,
.hero-panel li,
.panel-heading p,
.card-heading p,
.resize-summary {
  color: var(--muted);
}

.eyebrow {
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.primary-button,
.secondary-button,
.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  border: none;
}

.primary-button,
.primary-action {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
}

.secondary-button,
.secondary-action {
  border: 1px solid var(--border);
  color: var(--text);
  background: transparent;
}

.primary-action,
.secondary-action,
.tool-chip {
  cursor: pointer;
}

.secondary-action.is-disabled {
  opacity: 0.45;
  pointer-events: none;
}

.hero-panel {
  padding: 22px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-stat {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.hero-stat span {
  color: var(--success);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
}

.hero-stat strong {
  font-size: 1.6rem;
}

.hero-panel ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.tools-section,
.workspace {
  margin-top: 24px;
}

.tools-section {
  padding: 28px;
}

.section-heading {
  max-width: 700px;
}

.section-heading h2 {
  font-size: clamp(1.8rem, 4vw, 2.7rem);
}

.tool-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.tool-card,
.preview-card,
.controls-card,
.upload-dropzone {
  background: var(--panel-strong);
  border: 1px solid var(--border);
  border-radius: 22px;
}

.tool-card {
  padding: 22px;
}

.tool-card h3,
.preview-card h3,
.controls-card h3,
.panel-heading h4,
.card-heading h3 {
  margin-top: 0;
}

.tool-card span {
  display: inline-flex;
  margin-top: 18px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(120, 168, 255, 0.12);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
}

.workspace-panel {
  padding: 28px;
}

.upload-dropzone {
  display: grid;
  place-items: center;
  min-height: 210px;
  padding: 24px;
  text-align: center;
  border-style: dashed;
  cursor: pointer;
}

.upload-dropzone input {
  display: none;
}

.upload-title {
  font-size: 1.05rem;
  font-weight: 700;
}

.workspace-columns {
  margin-top: 22px;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.9fr);
  gap: 18px;
}

.preview-card,
.controls-card {
  padding: 20px;
}

.card-heading,
.panel-heading {
  margin-bottom: 16px;
}

.preview-surface {
  display: grid;
  place-items: center;
  min-height: 320px;
  border-radius: 18px;
  border: 1px dashed rgba(149, 164, 196, 0.35);
  background: rgba(255, 255, 255, 0.02);
  overflow: hidden;
  padding: 18px;
}

.preview-wrapper {
  width: 100%;
  display: grid;
  gap: 14px;
  justify-items: center;
}

.preview-wrapper p {
  margin: 0;
  color: var(--muted);
}

.preview-surface img {
  display: block;
  max-width: 100%;
  max-height: 420px;
  object-fit: contain;
  border-radius: 14px;
}

.tool-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tool-chip {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  padding: 10px 14px;
}

.tool-chip.is-active {
  background: rgba(120, 168, 255, 0.16);
  color: var(--accent);
}

.tool-panel {
  margin-top: 18px;
}

.tool-panel.is-hidden {
  display: none;
}

.tool-placeholder {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255,255,255,0.05);
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field {
  display: grid;
  gap: 8px;
}

.field span,
.checkbox-row span {
  font-weight: 600;
}

.field input {
  min-height: 46px;
  padding: 0 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.checkbox-row {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
}

.resize-summary {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255,255,255,0.05);
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

@media (max-width: 920px) {
  .hero,
  .workspace-columns,
  .tool-grid,
  .control-grid {
    grid-template-columns: 1fr;
  }
}