:root {
  --bg: #0b1020;
  --panel: #121a2d;
  --panel-2: #18233d;
  --text: #e8eefc;
  --muted: #9eb0d1;
  --accent: #6ea8fe;
  --accent-2: #7cf7d4;
  --border: rgba(255,255,255,0.08);
  --danger: #ff7b7b;
  --success: #70f0a1;
  --warning: #ffd76e;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: Inter, Arial, sans-serif; background: radial-gradient(circle at top, #162442 0%, var(--bg) 45%); color: var(--text); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.hidden { display: none !important; }
.muted { color: var(--muted); }

.auth-body, .app-body { min-height: 100vh; }
.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.auth-card {
  width: 100%;
  max-width: 460px;
  padding: 28px;
  border: 1px solid var(--border);
  background: rgba(18, 26, 45, 0.96);
  border-radius: 20px;
  box-shadow: var(--shadow);
}
.auth-card h1 { margin: 0 0 10px; }
.form { display: grid; gap: 16px; margin-top: 18px; }
.form label { display: grid; gap: 8px; color: var(--muted); font-size: 14px; }
input, select {
  width: 100%;
  border: 1px solid var(--border);
  background: #0f1627;
  color: var(--text);
  border-radius: 12px;
  padding: 12px 14px;
  outline: none;
}
input:focus, select:focus { border-color: var(--accent); }
.btn {
  border: 1px solid var(--border);
  background: #0f1627;
  color: var(--text);
  padding: 12px 16px;
  border-radius: 12px;
  cursor: pointer;
  transition: 0.18s ease;
}
.btn:hover { transform: translateY(-1px); border-color: rgba(255,255,255,0.15); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #94bfff);
  color: #071120;
  font-weight: 700;
}
.message {
  min-height: 20px;
  font-size: 14px;
  color: var(--muted);
}
.message.error { color: var(--danger); }
.message.success { color: var(--success); }
.auth-links {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.captcha { min-height: 78px; }

.app-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
}
.topbar h1 { margin: 0 0 6px; }
.topbar-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.card {
  background: rgba(18, 26, 45, 0.96);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 18px;
  margin-bottom: 18px;
}
.filters .filter-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 14px;
}
.list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.pdf-list { display: grid; gap: 12px; }
.pdf-card {
  display: grid;
  grid-template-columns: 1.6fr auto auto auto auto;
  gap: 12px;
  padding: 16px;
  border-radius: 16px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  align-items: center;
}
.pdf-title { font-weight: 700; margin-bottom: 6px; }
.pdf-sub { color: var(--muted); font-size: 13px; word-break: break-word; }
.badge {
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  text-transform: capitalize;
  text-align: center;
}
.badge.ready { background: rgba(112,240,161,0.12); color: var(--success); }
.badge.processing { background: rgba(255,215,110,0.12); color: var(--warning); }
.badge.failed { background: rgba(255,123,123,0.12); color: var(--danger); }
.meta { color: var(--muted); font-size: 14px; white-space: nowrap; }
.pill {
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(255,255,255,0.06);
  color: var(--text);
  border: 1px solid var(--border);
  font-size: 13px;
}
.empty {
  padding: 24px;
  border: 1px dashed var(--border);
  border-radius: 14px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 900px) {
  .filters .filter-grid { grid-template-columns: 1fr; }
  .pdf-card {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

@media (max-width: 620px) {
  .auth-card { padding: 20px; }
  .topbar { flex-direction: column; }
  .pdf-card { grid-template-columns: 1fr; }
}