:root {
  --bg-top: #f4f1e8;
  --bg-bottom: #e5ece8;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: rgba(255, 255, 255, 0.94);
  --surface-border: rgba(31, 41, 55, 0.08);
  --text-main: #16211d;
  --text-muted: #55625d;
  --accent: #1e6b5c;
  --accent-dark: #13463d;
  --danger: #ad2f45;
  --shadow: 0 24px 60px rgba(22, 33, 29, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.7), transparent 30%),
    linear-gradient(160deg, var(--bg-top), var(--bg-bottom));
}

button,
input,
select {
  font: inherit;
}

.page-shell {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0 72px;
}

.hero {
  margin-bottom: 28px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.8rem, 7vw, 4.8rem);
  line-height: 0.95;
}

.hero-copy {
  max-width: 560px;
  margin: 12px 0 0;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.app-card {
  backdrop-filter: blur(14px);
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 28px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.gate-panel,
.workspace-panel {
  padding: 28px;
}

.panel-heading {
  margin-bottom: 24px;
}

.panel-heading h2 {
  margin: 0 0 6px;
  font-size: 1.35rem;
}

.panel-heading p {
  margin: 0;
  color: var(--text-muted);
}

.workspace-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.stack,
.composer {
  display: grid;
  gap: 16px;
}

.composer {
  gap: 18px;
}

.composer-fields {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: 16px;
  align-items: end;
}

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

.field span {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
}

.field input,
.field select {
  width: 100%;
  padding: 15px 16px;
  border: 1px solid rgba(22, 33, 29, 0.12);
  border-radius: 16px;
  background: var(--surface-strong);
  color: var(--text-main);
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.field input:focus,
.field select:focus {
  border-color: rgba(30, 107, 92, 0.48);
  box-shadow: 0 0 0 4px rgba(30, 107, 92, 0.12);
  transform: translateY(-1px);
}

.primary-button,
.ghost-button {
  border: 0;
  border-radius: 16px;
  cursor: pointer;
  transition: transform 160ms ease, opacity 160ms ease, background 160ms ease;
}

.primary-button {
  padding: 15px 20px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #f7fbf9;
  font-weight: 700;
}

.composer-submit {
  width: 100%;
}

.ghost-button {
  padding: 12px 14px;
  background: rgba(22, 33, 29, 0.06);
  color: var(--text-main);
  font-weight: 600;
}

.primary-button:hover,
.ghost-button:hover {
  transform: translateY(-1px);
}

.primary-button:disabled {
  opacity: 0.65;
  cursor: wait;
}

.error-text {
  margin: 0;
  color: var(--danger);
  font-size: 0.92rem;
}

.loading-state {
  margin-top: 18px;
  color: var(--text-muted);
  font-weight: 600;
}

.result-panel {
  margin-top: 24px;
  padding: 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(22, 33, 29, 0.08);
  display: grid;
  gap: 20px;
}

.result-label {
  margin: 0 0 8px;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.result-block h3,
.result-block p {
  margin: 0;
}

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

.competitor-list li {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(244, 241, 232, 0.8);
  border: 1px solid rgba(22, 33, 29, 0.08);
}

.competitor-name {
  display: block;
  margin-bottom: 4px;
  font-weight: 700;
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100%, calc(100% - 20px));
    padding: 28px 0 32px;
  }

  .gate-panel,
  .workspace-panel {
    padding: 20px;
  }

  .workspace-heading,
  .composer-fields {
    grid-template-columns: 1fr;
  }

  .ghost-button,
  .primary-button {
    width: 100%;
  }
}