@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  color-scheme: dark;
  --bg: #070b1f;
  --bg-alt: #0c1335;
  --accent: #2f56ff;
  --accent-2: #6c5cff;
  --text: #f7f8ff;
  --muted: rgba(247, 248, 255, 0.72);
  --card: rgba(255, 255, 255, 0.06);
  --card-strong: rgba(255, 255, 255, 0.09);
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
  --focus: rgba(47, 86, 255, 0.55);
  --danger: #ff4d5a;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(900px circle at 55% -10%, rgba(47, 86, 255, 0.35), rgba(47, 86, 255, 0) 60%),
    radial-gradient(760px circle at -10% 95%, rgba(108, 92, 255, 0.24), rgba(108, 92, 255, 0) 55%),
    linear-gradient(180deg, #070b1f 0%, #060819 55%, #050613 100%);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(7, 11, 31, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
}

.app-header__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand__divider {
  width: 1px;
  height: 26px;
  background: rgba(255, 255, 255, 0.14);
  flex: 0 0 auto;
}

.brand__logo {
  display: block;
  height: 26px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
}

.brand__logo--client {
  height: 24px;
  max-width: 240px;
}

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 24px 80px;
  display: grid;
  gap: 28px;
  position: relative;
  z-index: 1;
}

.bg-orb {
  position: fixed;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 86, 255, 0.32), rgba(47, 86, 255, 0));
  filter: blur(6px);
  opacity: 0.65;
  z-index: 0;
  animation: float 18s ease-in-out infinite;
}

.orb-1 {
  top: -220px;
  right: -120px;
}

.orb-2 {
  bottom: -240px;
  left: -160px;
  background: radial-gradient(circle, rgba(108, 92, 255, 0.26), rgba(108, 92, 255, 0));
  animation-delay: -6s;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(26px);
  }
}

h1 {
  font-size: clamp(2.05rem, 3.2vw, 3rem);
  letter-spacing: -0.02em;
  line-height: 1.05;
  font-weight: 800;
}

h2 {
  font-size: 1.4rem;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.10);
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(247, 248, 255, 0.9);
  margin-bottom: 14px;
}

.muted {
  color: var(--muted);
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  animation: reveal 0.6s ease;
}

.card--narrow {
  max-width: 420px;
  margin: 0 auto;
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.hero h1 {
  margin-top: 6px;
}

.form {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.form.grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  align-items: end;
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.95rem;
}

input {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

input::placeholder {
  color: rgba(247, 248, 255, 0.55);
}

input:focus {
  outline: none;
}

input:focus-visible,
button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

input[type="file"] {
  padding: 12px;
  cursor: pointer;
}

input[type="file"][data-has-file="true"] {
  border-color: rgba(47, 86, 255, 0.55);
  background: rgba(47, 86, 255, 0.10);
}

button {
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button.primary {
  background: linear-gradient(135deg, #2f56ff, #2547ff);
  color: #ffffff;
  box-shadow: 0 16px 36px rgba(47, 86, 255, 0.35);
}

button.ghost {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(247, 248, 255, 0.92);
  border-color: rgba(255, 255, 255, 0.10);
}

button:hover {
  transform: translateY(-2px);
}

button.primary:hover {
  box-shadow: 0 18px 46px rgba(47, 86, 255, 0.42);
}

button.ghost:hover {
  background: rgba(255, 255, 255, 0.10);
}

.alert {
  background: rgba(255, 77, 90, 0.12);
  border: 1px solid rgba(255, 77, 90, 0.30);
  padding: 12px 16px;
  border-radius: 12px;
  margin-top: 16px;
}

.alert.success {
  background: rgba(47, 86, 255, 0.12);
  border-color: rgba(47, 86, 255, 0.35);
}

.table-wrap {
  overflow-x: auto;
}

.upload-progress {
  margin-top: 16px;
  padding: 14px 14px 12px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.10);
}

.upload-progress__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-weight: 600;
  color: rgba(247, 248, 255, 0.92);
}

.upload-progress__bar {
  margin-top: 10px;
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.10);
}

.upload-progress__fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(135deg, #2f56ff, #6c5cff);
  box-shadow: 0 10px 24px rgba(47, 86, 255, 0.25);
  transition: width 120ms linear;
}

.upload-progress__hint {
  margin-top: 10px;
  font-size: 0.9rem;
}

.qa-result {
  margin-top: 14px;
}

.qa-loading {
  color: rgba(247, 248, 255, 0.82);
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.10);
}

.qa-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.qa-row {
  display: grid;
  gap: 10px;
  margin-top: 10px;
}

.qa-row--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.qa-kv {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.10);
}

.qa-kv__k {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(247, 248, 255, 0.68);
}

.qa-kv__v {
  margin-top: 6px;
  font-size: 1.02rem;
  font-weight: 700;
  color: rgba(247, 248, 255, 0.92);
  overflow-wrap: anywhere;
}

.qa-raw {
  margin-top: 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.10);
  padding: 10px 12px;
}

.qa-raw > summary {
  cursor: pointer;
  font-weight: 600;
  color: rgba(247, 248, 255, 0.86);
  list-style: none;
}

.qa-raw > summary::-webkit-details-marker {
  display: none;
}

.qa-raw pre {
  margin-top: 10px;
  padding: 12px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.22);
  overflow: auto;
  font-size: 0.85rem;
  line-height: 1.45;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  padding: 10px 8px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  color: rgba(247, 248, 255, 0.82);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

tbody tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

@media (max-width: 720px) {
  .app-header__inner {
    padding: 14px 16px;
  }

  .brand__logo {
    height: 22px;
    max-width: 170px;
  }

  .brand__logo--client {
    height: 20px;
    max-width: 180px;
  }

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

  .qa-row--3 {
    grid-template-columns: 1fr;
  }

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

  .card {
    padding: 22px;
  }
}