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

body {
    font-family: Georgia, 'Times New Roman', serif;
    color: #222;
    background: #fafafa;
    line-height: 1.6;
}

.container { max-width: 720px; margin: 0 auto; padding: 2rem 1rem; }

.navbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1rem 2rem; background: #1a1a2e; color: #fff;
}
.navbar .logo { color: #fff; text-decoration: none; font-size: 1.2rem; font-weight: bold; }
.nav-links a { color: #ccc; text-decoration: none; margin-left: 1.5rem; }
.nav-links a:hover { color: #fff; }

h1 { margin-bottom: 1rem; }
h2 { margin: 1.5rem 0 0.75rem; }

.hero { text-align: center; margin: 2rem 0; }
.hero h1 { font-size: 2rem; }
.hero p { font-size: 1.1rem; color: #555; max-width: 540px; margin: 0.5rem auto; }

.app-form { margin-top: 1.5rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; margin-bottom: 0.3rem; font-weight: bold; font-size: 0.95rem; }
.form-group input, .form-group textarea {
    width: 100%; padding: 0.6rem; border: 1px solid #ccc; border-radius: 4px;
    font-family: inherit; font-size: 0.95rem;
}
.form-group textarea { resize: vertical; }

.btn {
    display: inline-block; padding: 0.65rem 1.5rem; border: none; border-radius: 4px;
    font-size: 1rem; cursor: pointer; text-decoration: none; font-family: inherit;
}
.btn-primary { background: #0050a0; color: #fff; }
.btn-primary:hover { background: #003d7a; }
.btn-secondary { background: #555; color: #fff; }
.btn-secondary:hover { background: #333; }

.hint { font-size: 0.85rem; color: #777; margin-top: 0.5rem; }

.alert { padding: 0.75rem 1rem; border-radius: 4px; margin-bottom: 1rem; }
.alert-error { background: #fce4e4; border: 1px solid #e0b4b4; color: #8b0000; }

.app-table { width: 100%; border-collapse: collapse; margin-top: 0.5rem; font-size: 0.9rem; }
.app-table th, .app-table td { text-align: left; padding: 0.5rem; border-bottom: 1px solid #ddd; }
.app-table th { background: #f0f0f0; }

.status-queued, .status-processing { color: #b8860b; }
.status-completed { color: #006400; }
.status-failed { color: #8b0000; }

.status-card { background: #fff; border: 1px solid #ddd; border-radius: 6px; padding: 1.5rem; margin: 1rem 0; }

.download-links { margin-top: 1rem; }
.download-links .btn { margin-right: 0.75rem; }

.spinner {
    width: 32px; height: 32px; border: 3px solid #ddd; border-top-color: #0050a0;
    border-radius: 50%; animation: spin 0.8s linear infinite; margin: 1rem 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

.progress-bar-container {
    width: 100%; background: #e0e0e0; border-radius: 4px; height: 20px; margin: 1rem 0 0.5rem;
    overflow: hidden;
}
.progress-bar {
    height: 100%; background: #0050a0; border-radius: 4px;
    transition: width 0.5s ease;
}
.progress-label { font-size: 0.9rem; color: #555; }

.auth-form { max-width: 400px; }

.cta-box {
    background: #e8f4fd; border: 1px solid #b8d8f0; border-radius: 6px;
    padding: 1.5rem; margin: 1rem 0; text-align: center;
}