:root {
  --bg: #061019;
  --panel: rgba(10, 19, 32, 0.82);
  --panel-strong: rgba(9, 16, 28, 0.94);
  --line: rgba(255, 255, 255, 0.1);
  --text: #f5fbff;
  --muted: #8fa8c4;
  --accent: #6cf2cf;
  --accent-2: #7cb8ff;
  --danger: #ff6e8f;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 20% 10%, rgba(124, 184, 255, 0.22), transparent 25%),
    radial-gradient(circle at 80% 12%, rgba(108, 242, 207, 0.16), transparent 20%),
    linear-gradient(180deg, #040811 0%, #071321 55%, #061019 100%);
  color: var(--text);
  font-family: "IBM Plex Sans", sans-serif;
}

body {
  overflow-x: hidden;
}

.page-shell {
  position: relative;
  min-height: 100vh;
  padding: 40px 28px 56px;
}

.grid-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.32;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 85%);
}

.hero,
.workspace {
  position: relative;
  z-index: 1;
}

.hero {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 24px;
  align-items: end;
  margin: 0 auto 28px;
  max-width: 1400px;
}

.eyebrow,
.panel-tag,
.info-label,
.metric-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--muted);
}

.hero h1 {
  margin: 10px 0 18px;
  max-width: 780px;
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(64px, 10vw, 128px);
  line-height: 0.95;
  letter-spacing: 0.02em;
}

.hero-text {
  max-width: 720px;
  margin: 0;
  font-size: 19px;
  line-height: 1.65;
  color: #c9d8ea;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.metric-card,
.control-panel,
.results-panel,
.summary-card,
.video-card,
.info-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.metric-card {
  padding: 20px 20px 18px;
}

.metric-card strong {
  display: block;
  margin-top: 10px;
  font-size: 22px;
}

.workspace {
  display: grid;
  grid-template-columns: 420px minmax(0, 1fr);
  gap: 24px;
  margin: 0 auto;
  max-width: 1400px;
}

.control-panel,
.results-panel {
  padding: 26px;
}

.panel-header h2 {
  margin: 10px 0 0;
  font-size: 30px;
  line-height: 1.1;
}

.generate-form {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.field {
  display: grid;
  gap: 10px;
}

.field span {
  font-size: 14px;
  color: #dce8f7;
}

.field input,
.field select {
  width: 100%;
  padding: 18px 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font: inherit;
}

.field input::placeholder {
  color: #71839b;
}

.submit-button {
  position: relative;
  overflow: hidden;
  padding: 18px 18px;
  border: 0;
  border-radius: 18px;
  background: linear-gradient(90deg, var(--accent-2) 0%, var(--accent) 100%);
  color: #05111c;
  font-size: 17px;
  font-weight: 800;
  cursor: pointer;
}

.submit-button .button-trace {
  position: absolute;
  inset: 2px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.submit-button:disabled {
  cursor: progress;
  opacity: 0.7;
}

.status-box {
  display: flex;
  gap: 14px;
  margin-top: 22px;
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.status-dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: #7c8ea7;
  box-shadow: 0 0 20px rgba(124, 142, 167, 0.4);
  margin-top: 5px;
}

.status-box.running .status-dot {
  background: var(--accent);
  box-shadow: 0 0 24px rgba(108, 242, 207, 0.6);
}

.status-box.error .status-dot {
  background: var(--danger);
  box-shadow: 0 0 24px rgba(255, 110, 143, 0.6);
}

.status-title {
  margin: 0 0 4px;
  font-weight: 700;
}

.status-text {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.result-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 20px;
  margin-top: 24px;
}

.summary-card,
.video-card,
.info-card {
  padding: 22px;
}

.summary-topline {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 14px;
}

.summary-card h3 {
  margin: 18px 0 12px;
  font-size: 36px;
  line-height: 1.08;
}

.summary-card p {
  margin: 0;
  color: #d5e4f6;
  line-height: 1.65;
}

.topic-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.topic-strip span {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
  color: #cfe0f3;
}

.video-shell {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(124, 184, 255, 0.18), rgba(108, 242, 207, 0.04)),
    rgba(3, 9, 17, 0.88);
  min-height: 640px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-shell video {
  width: 100%;
  height: 100%;
  max-height: 760px;
  object-fit: cover;
  background: #02050c;
}

.video-placeholder {
  display: grid;
  gap: 12px;
  padding: 40px;
  text-align: center;
  color: var(--muted);
}

.video-placeholder strong {
  color: var(--text);
  font-size: 24px;
}

.video-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 16px;
  align-items: center;
  font-size: 14px;
}

.video-meta a {
  color: var(--accent);
  text-decoration: none;
}

.info-panels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.info-card p {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.5;
  color: #dbe7f3;
}

@media (max-width: 1100px) {
  .hero,
  .workspace,
  .result-grid,
  .info-panels,
  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .page-shell {
    padding: 20px 16px 40px;
  }

  .hero h1 {
    font-size: clamp(52px, 16vw, 92px);
  }

  .video-shell {
    min-height: 520px;
  }
}